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] = 0;
7403 r=BOARD_HEIGHT-1-deadRanks; f=BOARD_LEFT;
7407 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7408 if(*fen == 'B') legal[r][f] = 4; else // request auto-promotion to victim
7409 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7410 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7411 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7412 if(*fen == 'T') marker[r][f++] = 0; else
7413 if(*fen == 'Y') marker[r][f++] = 1; else
7414 if(*fen == 'G') marker[r][f++] = 3; else
7415 if(*fen == 'B') marker[r][f++] = 4; else
7416 if(*fen == 'C') marker[r][f++] = 5; else
7417 if(*fen == 'M') marker[r][f++] = 6; else
7418 if(*fen == 'W') marker[r][f++] = 7; else
7419 if(*fen == 'D') marker[r][f++] = 8; else
7420 if(*fen == 'R') marker[r][f++] = 2; else {
7421 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7424 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7428 DrawPosition(TRUE, NULL);
7431 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7434 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7436 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7437 Markers *m = (Markers *) closure;
7438 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7439 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7440 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7441 || kind == WhiteCapturesEnPassant
7442 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7443 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7446 static int hoverSavedValid;
7449 MarkTargetSquares (int clear)
7452 if(clear) { // no reason to ever suppress clearing
7453 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7454 hoverSavedValid = 0;
7455 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7458 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7459 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7460 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7461 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7462 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7464 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7467 DrawPosition(FALSE, NULL);
7471 Explode (Board board, int fromX, int fromY, int toX, int toY)
7473 if(gameInfo.variant == VariantAtomic &&
7474 (board[toY][toX] != EmptySquare || // capture?
7475 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7476 board[fromY][fromX] == BlackPawn )
7478 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7484 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7487 CanPromote (ChessSquare piece, int y)
7489 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7490 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7491 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7492 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7493 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7494 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7495 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7496 return (piece == BlackPawn && y <= zone ||
7497 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7498 piece == BlackLance && y <= zone ||
7499 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7503 HoverEvent (int xPix, int yPix, int x, int y)
7505 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7507 if(!first.highlight) return;
7508 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7509 if(x == oldX && y == oldY) return; // only do something if we enter new square
7510 oldFromX = fromX; oldFromY = fromY;
7511 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7512 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7513 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7514 hoverSavedValid = 1;
7515 } else if(oldX != x || oldY != y) {
7516 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7517 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7518 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7519 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7520 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7522 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7523 SendToProgram(buf, &first);
7526 // SetHighlights(fromX, fromY, x, y);
7530 void ReportClick(char *action, int x, int y)
7532 char buf[MSG_SIZ]; // Inform engine of what user does
7534 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7535 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7536 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7537 if(!first.highlight || gameMode == EditPosition) return;
7538 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7539 SendToProgram(buf, &first);
7542 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7543 Boolean deferChoice;
7546 LeftClick (ClickType clickType, int xPix, int yPix)
7549 static Boolean saveAnimate;
7550 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7551 char promoChoice = NULLCHAR;
7553 static TimeMark lastClickTime, prevClickTime;
7555 if(flashing) return;
7557 if(!deferChoice) { // when called for a retry, skip everything to the point where we left off
7558 x = EventToSquare(xPix, BOARD_WIDTH);
7559 y = EventToSquare(yPix, BOARD_HEIGHT);
7560 if (!flipView && y >= 0) {
7561 y = BOARD_HEIGHT - 1 - y;
7563 if (flipView && x >= 0) {
7564 x = BOARD_WIDTH - 1 - x;
7567 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7569 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7574 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7576 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7578 if (clickType == Press) ErrorPopDown();
7579 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7581 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7582 defaultPromoChoice = promoSweep;
7583 promoSweep = EmptySquare; // terminate sweep
7584 promoDefaultAltered = TRUE;
7585 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7588 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7589 if(clickType == Release) return; // ignore upclick of click-click destination
7590 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7591 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7592 if(gameInfo.holdingsWidth &&
7593 (WhiteOnMove(currentMove)
7594 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7595 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7596 // click in right holdings, for determining promotion piece
7597 ChessSquare p = boards[currentMove][y][x];
7598 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7599 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7600 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7601 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7606 DrawPosition(FALSE, boards[currentMove]);
7610 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7611 if(clickType == Press
7612 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7613 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7614 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7617 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7618 // could be static click on premove from-square: abort premove
7620 ClearPremoveHighlights();
7623 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7624 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7626 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7627 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7628 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7629 defaultPromoChoice = DefaultPromoChoice(side);
7632 autoQueen = appData.alwaysPromoteToQueen;
7636 gatingPiece = EmptySquare;
7637 if (clickType != Press) {
7638 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7639 DragPieceEnd(xPix, yPix); dragging = 0;
7640 DrawPosition(FALSE, NULL);
7644 doubleClick = FALSE;
7645 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7646 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7648 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1;
7649 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7650 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7651 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7653 if (OKToStartUserMove(fromX, fromY)) {
7655 ReportClick("lift", x, y);
7656 MarkTargetSquares(0);
7657 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7658 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7659 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7660 promoSweep = defaultPromoChoice;
7661 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7662 Sweep(0); // Pawn that is going to promote: preview promotion piece
7663 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7665 if (appData.highlightDragging) {
7666 SetHighlights(fromX, fromY, -1, -1);
7670 } else fromX = fromY = -1;
7676 if (clickType == Press && gameMode != EditPosition) {
7681 // ignore off-board to clicks
7682 if(y < 0 || x < 0) return;
7684 /* Check if clicking again on the same color piece */
7685 fromP = boards[currentMove][fromY][fromX];
7686 toP = boards[currentMove][y][x];
7687 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7688 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7689 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7690 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7691 WhitePawn <= toP && toP <= WhiteKing &&
7692 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7693 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7694 (BlackPawn <= fromP && fromP <= BlackKing &&
7695 BlackPawn <= toP && toP <= BlackKing &&
7696 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7697 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7698 /* Clicked again on same color piece -- changed his mind */
7699 second = (x == fromX && y == fromY);
7700 killX = killY = kill2X = kill2Y = -1;
7701 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7702 second = FALSE; // first double-click rather than scond click
7703 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7705 promoDefaultAltered = FALSE;
7706 if(!second) MarkTargetSquares(1);
7707 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7708 if (appData.highlightDragging) {
7709 SetHighlights(x, y, -1, -1);
7713 if (OKToStartUserMove(x, y)) {
7714 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7715 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7716 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7717 gatingPiece = boards[currentMove][fromY][fromX];
7718 else gatingPiece = doubleClick ? fromP : EmptySquare;
7720 fromY = y; dragging = 1;
7721 if(!second) ReportClick("lift", x, y);
7722 MarkTargetSquares(0);
7723 DragPieceBegin(xPix, yPix, FALSE);
7724 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7725 promoSweep = defaultPromoChoice;
7726 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7727 Sweep(0); // Pawn that is going to promote: preview promotion piece
7731 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7734 // ignore clicks on holdings
7735 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7738 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7739 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7740 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7744 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7745 DragPieceEnd(xPix, yPix); dragging = 0;
7747 // a deferred attempt to click-click move an empty square on top of a piece
7748 boards[currentMove][y][x] = EmptySquare;
7750 DrawPosition(FALSE, boards[currentMove]);
7751 fromX = fromY = -1; clearFlag = 0;
7754 if (appData.animateDragging) {
7755 /* Undo animation damage if any */
7756 DrawPosition(FALSE, NULL);
7759 /* Second up/down in same square; just abort move */
7762 gatingPiece = EmptySquare;
7765 ClearPremoveHighlights();
7766 MarkTargetSquares(-1);
7767 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7769 /* First upclick in same square; start click-click mode */
7770 SetHighlights(x, y, -1, -1);
7777 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7778 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7779 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7780 DisplayMessage(_("only marked squares are legal"),"");
7781 DrawPosition(TRUE, NULL);
7782 return; // ignore to-click
7785 /* we now have a different from- and (possibly off-board) to-square */
7786 /* Completed move */
7787 if(!sweepSelecting) {
7792 piece = boards[currentMove][fromY][fromX];
7794 saveAnimate = appData.animate;
7795 if (clickType == Press) {
7796 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7797 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7798 // must be Edit Position mode with empty-square selected
7799 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7800 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7803 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7806 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7807 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7809 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7810 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7811 if(appData.sweepSelect) {
7812 promoSweep = defaultPromoChoice;
7813 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7814 selectFlag = 0; lastX = xPix; lastY = yPix;
7815 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7816 saveFlash = appData.flashCount; appData.flashCount = 0;
7817 Sweep(0); // Pawn that is going to promote: preview promotion piece
7819 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7820 MarkTargetSquares(1);
7822 return; // promo popup appears on up-click
7824 /* Finish clickclick move */
7825 if (appData.animate || appData.highlightLastMove) {
7826 SetHighlights(fromX, fromY, toX, toY);
7830 MarkTargetSquares(1);
7831 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7832 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7833 *promoRestrict = 0; appData.flashCount = saveFlash;
7834 if (appData.animate || appData.highlightLastMove) {
7835 SetHighlights(fromX, fromY, toX, toY);
7839 MarkTargetSquares(1);
7842 // [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
7843 /* Finish drag move */
7844 if (appData.highlightLastMove) {
7845 SetHighlights(fromX, fromY, toX, toY);
7850 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7851 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7852 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7853 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7854 dragging *= 2; // flag button-less dragging if we are dragging
7855 MarkTargetSquares(1);
7856 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7858 kill2X = killX; kill2Y = killY;
7859 killX = x; killY = y; // remember this square as intermediate
7860 ReportClick("put", x, y); // and inform engine
7861 ReportClick("lift", x, y);
7862 MarkTargetSquares(0);
7866 DragPieceEnd(xPix, yPix); dragging = 0;
7867 /* Don't animate move and drag both */
7868 appData.animate = FALSE;
7869 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7872 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7873 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7874 ChessSquare piece = boards[currentMove][fromY][fromX];
7875 if(gameMode == EditPosition && piece != EmptySquare &&
7876 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7879 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7880 n = PieceToNumber(piece - (int)BlackPawn);
7881 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7882 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7883 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7885 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7886 n = PieceToNumber(piece);
7887 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7888 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7889 boards[currentMove][n][BOARD_WIDTH-2]++;
7891 boards[currentMove][fromY][fromX] = EmptySquare;
7895 MarkTargetSquares(1);
7896 DrawPosition(TRUE, boards[currentMove]);
7900 // off-board moves should not be highlighted
7901 if(x < 0 || y < 0) ClearHighlights();
7902 else ReportClick("put", x, y);
7904 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7907 if(legal[toY][toX] == 2) { // highlight-induced promotion
7908 if(piece == defaultPromoChoice) promoChoice = NULLCHAR; // deferral
7909 else promoChoice = ToLower(PieceToChar(defaultPromoChoice));
7910 } else if(legal[toY][toX] == 4) { // blue target square: engine must supply promotion choice
7911 if(!*promoRestrict) { // but has not done that yet
7912 deferChoice = TRUE; // set up retry for when it does
7913 return; // and wait for that
7915 promoChoice = ToLower(*promoRestrict); // force engine's choice
7916 deferChoice = FALSE;
7919 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7920 SetHighlights(fromX, fromY, toX, toY);
7921 MarkTargetSquares(1);
7922 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7923 // [HGM] super: promotion to captured piece selected from holdings
7924 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7925 promotionChoice = TRUE;
7926 // kludge follows to temporarily execute move on display, without promoting yet
7927 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7928 boards[currentMove][toY][toX] = p;
7929 DrawPosition(FALSE, boards[currentMove]);
7930 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7931 boards[currentMove][toY][toX] = q;
7932 DisplayMessage("Click in holdings to choose piece", "");
7935 DrawPosition(FALSE, NULL); // shows piece on from-square during promo popup
7936 PromotionPopUp(promoChoice);
7938 int oldMove = currentMove;
7939 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
7940 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7941 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7942 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
7943 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7944 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7945 DrawPosition(TRUE, boards[currentMove]);
7949 appData.animate = saveAnimate;
7950 if (appData.animate || appData.animateDragging) {
7951 /* Undo animation damage if needed */
7952 // DrawPosition(FALSE, NULL);
7957 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7958 { // front-end-free part taken out of PieceMenuPopup
7959 int whichMenu; int xSqr, ySqr;
7961 if(seekGraphUp) { // [HGM] seekgraph
7962 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7963 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7967 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7968 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7969 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7970 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7971 if(action == Press) {
7972 originalFlip = flipView;
7973 flipView = !flipView; // temporarily flip board to see game from partners perspective
7974 DrawPosition(TRUE, partnerBoard);
7975 DisplayMessage(partnerStatus, "");
7977 } else if(action == Release) {
7978 flipView = originalFlip;
7979 DrawPosition(TRUE, boards[currentMove]);
7985 xSqr = EventToSquare(x, BOARD_WIDTH);
7986 ySqr = EventToSquare(y, BOARD_HEIGHT);
7987 if (action == Release) {
7988 if(pieceSweep != EmptySquare) {
7989 EditPositionMenuEvent(pieceSweep, toX, toY);
7990 pieceSweep = EmptySquare;
7991 } else UnLoadPV(); // [HGM] pv
7993 if (action != Press) return -2; // return code to be ignored
7996 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7998 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7999 if (xSqr < 0 || ySqr < 0) return -1;
8000 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
8001 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
8002 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
8003 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
8007 if(!appData.icsEngineAnalyze) return -1;
8008 case IcsPlayingWhite:
8009 case IcsPlayingBlack:
8010 if(!appData.zippyPlay) goto noZip;
8013 case MachinePlaysWhite:
8014 case MachinePlaysBlack:
8015 case TwoMachinesPlay: // [HGM] pv: use for showing PV
8016 if (!appData.dropMenu) {
8018 return 2; // flag front-end to grab mouse events
8020 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8021 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8024 if (xSqr < 0 || ySqr < 0) return -1;
8025 if (!appData.dropMenu || appData.testLegality &&
8026 gameInfo.variant != VariantBughouse &&
8027 gameInfo.variant != VariantCrazyhouse) return -1;
8028 whichMenu = 1; // drop menu
8034 if (((*fromX = xSqr) < 0) ||
8035 ((*fromY = ySqr) < 0)) {
8036 *fromX = *fromY = -1;
8040 *fromX = BOARD_WIDTH - 1 - *fromX;
8042 *fromY = BOARD_HEIGHT - 1 - *fromY;
8048 Wheel (int dir, int x, int y)
8050 if(gameMode == EditPosition) {
8051 int xSqr = EventToSquare(x, BOARD_WIDTH);
8052 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8053 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8054 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8056 boards[currentMove][ySqr][xSqr] += dir;
8057 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8058 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8059 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8060 DrawPosition(FALSE, boards[currentMove]);
8061 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8065 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8067 // char * hint = lastHint;
8068 FrontEndProgramStats stats;
8070 stats.which = cps == &first ? 0 : 1;
8071 stats.depth = cpstats->depth;
8072 stats.nodes = cpstats->nodes;
8073 stats.score = cpstats->score;
8074 stats.time = cpstats->time;
8075 stats.pv = cpstats->movelist;
8076 stats.hint = lastHint;
8077 stats.an_move_index = 0;
8078 stats.an_move_count = 0;
8080 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8081 stats.hint = cpstats->move_name;
8082 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8083 stats.an_move_count = cpstats->nr_moves;
8086 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
8088 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8089 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8091 SetProgramStats( &stats );
8095 ClearEngineOutputPane (int which)
8097 static FrontEndProgramStats dummyStats;
8098 dummyStats.which = which;
8099 dummyStats.pv = "#";
8100 SetProgramStats( &dummyStats );
8103 #define MAXPLAYERS 500
8106 TourneyStandings (int display)
8108 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8109 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8110 char result, *p, *names[MAXPLAYERS];
8112 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8113 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8114 names[0] = p = strdup(appData.participants);
8115 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8117 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8119 while(result = appData.results[nr]) {
8120 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8121 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8122 wScore = bScore = 0;
8124 case '+': wScore = 2; break;
8125 case '-': bScore = 2; break;
8126 case '=': wScore = bScore = 1; break;
8128 case '*': return strdup("busy"); // tourney not finished
8136 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8137 for(w=0; w<nPlayers; w++) {
8139 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8140 ranking[w] = b; points[w] = bScore; score[b] = -2;
8142 p = malloc(nPlayers*34+1);
8143 for(w=0; w<nPlayers && w<display; w++)
8144 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8150 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8151 { // count all piece types
8153 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8154 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8155 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8158 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8159 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8160 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8161 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8162 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8163 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8168 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8170 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8171 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8173 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8174 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8175 if(myPawns == 2 && nMine == 3) // KPP
8176 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8177 if(myPawns == 1 && nMine == 2) // KP
8178 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8179 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8180 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8181 if(myPawns) return FALSE;
8182 if(pCnt[WhiteRook+side])
8183 return pCnt[BlackRook-side] ||
8184 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8185 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8186 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8187 if(pCnt[WhiteCannon+side]) {
8188 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8189 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8191 if(pCnt[WhiteKnight+side])
8192 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8197 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8199 VariantClass v = gameInfo.variant;
8201 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8202 if(v == VariantShatranj) return TRUE; // always winnable through baring
8203 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8204 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8206 if(v == VariantXiangqi) {
8207 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8209 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8210 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8211 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8212 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8213 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8214 if(stale) // we have at least one last-rank P plus perhaps C
8215 return majors // KPKX
8216 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8218 return pCnt[WhiteFerz+side] // KCAK
8219 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8220 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8221 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8223 } else if(v == VariantKnightmate) {
8224 if(nMine == 1) return FALSE;
8225 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8226 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8227 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8229 if(nMine == 1) return FALSE; // bare King
8230 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
8231 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8232 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8233 // by now we have King + 1 piece (or multiple Bishops on the same color)
8234 if(pCnt[WhiteKnight+side])
8235 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8236 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8237 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8239 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8240 if(pCnt[WhiteAlfil+side])
8241 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8242 if(pCnt[WhiteWazir+side])
8243 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8250 CompareWithRights (Board b1, Board b2)
8253 if(!CompareBoards(b1, b2)) return FALSE;
8254 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8255 /* compare castling rights */
8256 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8257 rights++; /* King lost rights, while rook still had them */
8258 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8259 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8260 rights++; /* but at least one rook lost them */
8262 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8264 if( b1[CASTLING][5] != NoRights ) {
8265 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8272 Adjudicate (ChessProgramState *cps)
8273 { // [HGM] some adjudications useful with buggy engines
8274 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8275 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8276 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8277 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8278 int k, drop, count = 0; static int bare = 1;
8279 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8280 Boolean canAdjudicate = !appData.icsActive;
8282 // most tests only when we understand the game, i.e. legality-checking on
8283 if( appData.testLegality )
8284 { /* [HGM] Some more adjudications for obstinate engines */
8285 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8286 static int moveCount = 6;
8288 char *reason = NULL;
8290 /* Count what is on board. */
8291 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8293 /* Some material-based adjudications that have to be made before stalemate test */
8294 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8295 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8296 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8297 if(canAdjudicate && appData.checkMates) {
8299 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8300 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8301 "Xboard adjudication: King destroyed", GE_XBOARD );
8306 /* Bare King in Shatranj (loses) or Losers (wins) */
8307 if( nrW == 1 || nrB == 1) {
8308 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8309 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8310 if(canAdjudicate && appData.checkMates) {
8312 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8313 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8314 "Xboard adjudication: Bare king", GE_XBOARD );
8318 if( gameInfo.variant == VariantShatranj && --bare < 0)
8320 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8321 if(canAdjudicate && appData.checkMates) {
8322 /* but only adjudicate if adjudication enabled */
8324 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8325 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8326 "Xboard adjudication: Bare king", GE_XBOARD );
8333 // don't wait for engine to announce game end if we can judge ourselves
8334 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8336 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8337 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8338 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8339 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8342 reason = "Xboard adjudication: 3rd check";
8343 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8354 reason = "Xboard adjudication: Stalemate";
8355 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8356 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8357 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8358 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8359 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8360 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8361 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8362 EP_CHECKMATE : EP_WINS);
8363 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8364 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8368 reason = "Xboard adjudication: Checkmate";
8369 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8370 if(gameInfo.variant == VariantShogi) {
8371 if(forwardMostMove > backwardMostMove
8372 && moveList[forwardMostMove-1][1] == '@'
8373 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8374 reason = "XBoard adjudication: pawn-drop mate";
8375 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8381 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8383 result = GameIsDrawn; break;
8385 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8387 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8391 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8393 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8394 GameEnds( result, reason, GE_XBOARD );
8398 /* Next absolutely insufficient mating material. */
8399 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8400 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8401 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8403 /* always flag draws, for judging claims */
8404 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8406 if(canAdjudicate && appData.materialDraws) {
8407 /* but only adjudicate them if adjudication enabled */
8408 if(engineOpponent) {
8409 SendToProgram("force\n", engineOpponent); // suppress reply
8410 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8412 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8417 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8418 if(gameInfo.variant == VariantXiangqi ?
8419 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8421 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8422 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8423 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8424 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8426 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8427 { /* if the first 3 moves do not show a tactical win, declare draw */
8428 if(engineOpponent) {
8429 SendToProgram("force\n", engineOpponent); // suppress reply
8430 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8432 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8435 } else moveCount = 6;
8438 // Repetition draws and 50-move rule can be applied independently of legality testing
8440 /* Check for rep-draws */
8442 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8443 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8444 for(k = forwardMostMove-2;
8445 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8446 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8447 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8450 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8451 /* compare castling rights */
8452 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8453 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8454 rights++; /* King lost rights, while rook still had them */
8455 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8456 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8457 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8458 rights++; /* but at least one rook lost them */
8460 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8461 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8463 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8464 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8465 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8468 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8469 && appData.drawRepeats > 1) {
8470 /* adjudicate after user-specified nr of repeats */
8471 int result = GameIsDrawn;
8472 char *details = "XBoard adjudication: repetition draw";
8473 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8474 // [HGM] xiangqi: check for forbidden perpetuals
8475 int m, ourPerpetual = 1, hisPerpetual = 1;
8476 for(m=forwardMostMove; m>k; m-=2) {
8477 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8478 ourPerpetual = 0; // the current mover did not always check
8479 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8480 hisPerpetual = 0; // the opponent did not always check
8482 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8483 ourPerpetual, hisPerpetual);
8484 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8485 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8486 details = "Xboard adjudication: perpetual checking";
8488 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8489 break; // (or we would have caught him before). Abort repetition-checking loop.
8491 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8492 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8494 details = "Xboard adjudication: repetition";
8496 } else // it must be XQ
8497 // Now check for perpetual chases
8498 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8499 hisPerpetual = PerpetualChase(k, forwardMostMove);
8500 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8501 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8502 static char resdet[MSG_SIZ];
8503 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8505 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8507 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8508 break; // Abort repetition-checking loop.
8510 // if neither of us is checking or chasing all the time, or both are, it is draw
8512 if(engineOpponent) {
8513 SendToProgram("force\n", engineOpponent); // suppress reply
8514 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8516 GameEnds( result, details, GE_XBOARD );
8519 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8520 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8524 /* Now we test for 50-move draws. Determine ply count */
8525 count = forwardMostMove;
8526 /* look for last irreversble move */
8527 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8529 /* if we hit starting position, add initial plies */
8530 if( count == backwardMostMove )
8531 count -= initialRulePlies;
8532 count = forwardMostMove - count;
8533 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8534 // adjust reversible move counter for checks in Xiangqi
8535 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8536 if(i < backwardMostMove) i = backwardMostMove;
8537 while(i <= forwardMostMove) {
8538 lastCheck = inCheck; // check evasion does not count
8539 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8540 if(inCheck || lastCheck) count--; // check does not count
8545 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8546 /* this is used to judge if draw claims are legal */
8547 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8548 if(engineOpponent) {
8549 SendToProgram("force\n", engineOpponent); // suppress reply
8550 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8552 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8556 /* if draw offer is pending, treat it as a draw claim
8557 * when draw condition present, to allow engines a way to
8558 * claim draws before making their move to avoid a race
8559 * condition occurring after their move
8561 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8563 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8564 p = "Draw claim: 50-move rule";
8565 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8566 p = "Draw claim: 3-fold repetition";
8567 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8568 p = "Draw claim: insufficient mating material";
8569 if( p != NULL && canAdjudicate) {
8570 if(engineOpponent) {
8571 SendToProgram("force\n", engineOpponent); // suppress reply
8572 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8574 GameEnds( GameIsDrawn, p, GE_XBOARD );
8579 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8580 if(engineOpponent) {
8581 SendToProgram("force\n", engineOpponent); // suppress reply
8582 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8584 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8590 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8591 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8592 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8597 int pieces[10], squares[10], cnt=0, r, f, res;
8599 static PPROBE_EGBB probeBB;
8600 if(!appData.testLegality) return 10;
8601 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8602 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8603 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8604 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8605 ChessSquare piece = boards[forwardMostMove][r][f];
8606 int black = (piece >= BlackPawn);
8607 int type = piece - black*BlackPawn;
8608 if(piece == EmptySquare) continue;
8609 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8610 if(type == WhiteKing) type = WhiteQueen + 1;
8611 type = egbbCode[type];
8612 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8613 pieces[cnt] = type + black*6;
8614 if(++cnt > 5) return 11;
8616 pieces[cnt] = squares[cnt] = 0;
8618 if(loaded == 2) return 13; // loading failed before
8620 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8623 loaded = 2; // prepare for failure
8624 if(!path) return 13; // no egbb installed
8625 strncpy(buf, path + 8, MSG_SIZ);
8626 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8627 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8628 lib = LoadLibrary(buf);
8629 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8630 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8631 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8632 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8633 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8634 loaded = 1; // success!
8636 res = probeBB(forwardMostMove & 1, pieces, squares);
8637 return res > 0 ? 1 : res < 0 ? -1 : 0;
8641 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8642 { // [HGM] book: this routine intercepts moves to simulate book replies
8643 char *bookHit = NULL;
8645 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8647 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8648 SendToProgram(buf, cps);
8650 //first determine if the incoming move brings opponent into his book
8651 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8652 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8653 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8654 if(bookHit != NULL && !cps->bookSuspend) {
8655 // make sure opponent is not going to reply after receiving move to book position
8656 SendToProgram("force\n", cps);
8657 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8659 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8660 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8661 // now arrange restart after book miss
8663 // after a book hit we never send 'go', and the code after the call to this routine
8664 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8665 char buf[MSG_SIZ], *move = bookHit;
8667 int fromX, fromY, toX, toY;
8671 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8672 &fromX, &fromY, &toX, &toY, &promoChar)) {
8673 (void) CoordsToAlgebraic(boards[forwardMostMove],
8674 PosFlags(forwardMostMove),
8675 fromY, fromX, toY, toX, promoChar, move);
8677 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8681 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8682 SendToProgram(buf, cps);
8683 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8684 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8685 SendToProgram("go\n", cps);
8686 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8687 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8688 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8689 SendToProgram("go\n", cps);
8690 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8692 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8696 LoadError (char *errmess, ChessProgramState *cps)
8697 { // unloads engine and switches back to -ncp mode if it was first
8698 if(cps->initDone) return FALSE;
8699 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8700 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8703 appData.noChessProgram = TRUE;
8704 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8705 gameMode = BeginningOfGame; ModeHighlight();
8708 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8709 DisplayMessage("", ""); // erase waiting message
8710 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8715 ChessProgramState *savedState;
8717 DeferredBookMove (void)
8719 if(savedState->lastPing != savedState->lastPong)
8720 ScheduleDelayedEvent(DeferredBookMove, 10);
8722 HandleMachineMove(savedMessage, savedState);
8725 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8726 static ChessProgramState *stalledEngine;
8727 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8730 HandleMachineMove (char *message, ChessProgramState *cps)
8732 static char firstLeg[20], legs;
8733 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8734 char realname[MSG_SIZ];
8735 int fromX, fromY, toX, toY;
8737 char promoChar, roar;
8742 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8743 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8744 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8745 DisplayError(_("Invalid pairing from pairing engine"), 0);
8748 pairingReceived = 1;
8750 return; // Skim the pairing messages here.
8753 oldError = cps->userError; cps->userError = 0;
8755 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8757 * Kludge to ignore BEL characters
8759 while (*message == '\007') message++;
8762 * [HGM] engine debug message: ignore lines starting with '#' character
8764 if(cps->debug && *message == '#') return;
8767 * Look for book output
8769 if (cps == &first && bookRequested) {
8770 if (message[0] == '\t' || message[0] == ' ') {
8771 /* Part of the book output is here; append it */
8772 strcat(bookOutput, message);
8773 strcat(bookOutput, " \n");
8775 } else if (bookOutput[0] != NULLCHAR) {
8776 /* All of book output has arrived; display it */
8777 char *p = bookOutput;
8778 while (*p != NULLCHAR) {
8779 if (*p == '\t') *p = ' ';
8782 DisplayInformation(bookOutput);
8783 bookRequested = FALSE;
8784 /* Fall through to parse the current output */
8789 * Look for machine move.
8791 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8792 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8794 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8795 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8796 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8797 stalledEngine = cps;
8798 if(appData.ponderNextMove) { // bring opponent out of ponder
8799 if(gameMode == TwoMachinesPlay) {
8800 if(cps->other->pause)
8801 PauseEngine(cps->other);
8803 SendToProgram("easy\n", cps->other);
8812 /* This method is only useful on engines that support ping */
8813 if(abortEngineThink) {
8814 if (appData.debugMode) {
8815 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8817 SendToProgram("undo\n", cps);
8821 if (cps->lastPing != cps->lastPong) {
8822 /* Extra move from before last new; ignore */
8823 if (appData.debugMode) {
8824 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8831 int machineWhite = FALSE;
8834 case BeginningOfGame:
8835 /* Extra move from before last reset; ignore */
8836 if (appData.debugMode) {
8837 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8844 /* Extra move after we tried to stop. The mode test is
8845 not a reliable way of detecting this problem, but it's
8846 the best we can do on engines that don't support ping.
8848 if (appData.debugMode) {
8849 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8850 cps->which, gameMode);
8852 SendToProgram("undo\n", cps);
8855 case MachinePlaysWhite:
8856 case IcsPlayingWhite:
8857 machineWhite = TRUE;
8860 case MachinePlaysBlack:
8861 case IcsPlayingBlack:
8862 machineWhite = FALSE;
8865 case TwoMachinesPlay:
8866 machineWhite = (cps->twoMachinesColor[0] == 'w');
8869 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8870 if (appData.debugMode) {
8872 "Ignoring move out of turn by %s, gameMode %d"
8873 ", forwardMost %d\n",
8874 cps->which, gameMode, forwardMostMove);
8880 if(cps->alphaRank) AlphaRank(machineMove, 4);
8882 // [HGM] lion: (some very limited) support for Alien protocol
8883 killX = killY = kill2X = kill2Y = -1;
8884 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8885 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8886 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8889 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8890 char *q = strchr(p+1, ','); // second comma?
8891 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8892 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8893 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8895 if(firstLeg[0]) { // there was a previous leg;
8896 // only support case where same piece makes two step
8897 char buf[20], *p = machineMove+1, *q = buf+1, f;
8898 safeStrCpy(buf, machineMove, 20);
8899 while(isdigit(*q)) q++; // find start of to-square
8900 safeStrCpy(machineMove, firstLeg, 20);
8901 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8902 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
8903 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)
8904 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8905 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8906 firstLeg[0] = NULLCHAR; legs = 0;
8909 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8910 &fromX, &fromY, &toX, &toY, &promoChar)) {
8911 /* Machine move could not be parsed; ignore it. */
8912 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8913 machineMove, _(cps->which));
8914 DisplayMoveError(buf1);
8915 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8916 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8917 if (gameMode == TwoMachinesPlay) {
8918 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8924 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8925 /* So we have to redo legality test with true e.p. status here, */
8926 /* to make sure an illegal e.p. capture does not slip through, */
8927 /* to cause a forfeit on a justified illegal-move complaint */
8928 /* of the opponent. */
8929 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8931 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8932 fromY, fromX, toY, toX, promoChar);
8933 if(moveType == IllegalMove) {
8934 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8935 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8936 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8939 } else if(!appData.fischerCastling)
8940 /* [HGM] Kludge to handle engines that send FRC-style castling
8941 when they shouldn't (like TSCP-Gothic) */
8943 case WhiteASideCastleFR:
8944 case BlackASideCastleFR:
8946 currentMoveString[2]++;
8948 case WhiteHSideCastleFR:
8949 case BlackHSideCastleFR:
8951 currentMoveString[2]--;
8953 default: ; // nothing to do, but suppresses warning of pedantic compilers
8956 hintRequested = FALSE;
8957 lastHint[0] = NULLCHAR;
8958 bookRequested = FALSE;
8959 /* Program may be pondering now */
8960 cps->maybeThinking = TRUE;
8961 if (cps->sendTime == 2) cps->sendTime = 1;
8962 if (cps->offeredDraw) cps->offeredDraw--;
8964 /* [AS] Save move info*/
8965 pvInfoList[ forwardMostMove ].score = programStats.score;
8966 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8967 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8969 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8971 /* Test suites abort the 'game' after one move */
8972 if(*appData.finger) {
8974 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8975 if(!f) f = fopen(appData.finger, "w");
8976 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8977 else { DisplayFatalError("Bad output file", errno, 0); return; }
8979 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8982 if(solvingTime >= 0) {
8983 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
8984 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
8986 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
8987 if(solvingTime == -2) second.matchWins++;
8989 OutputKibitz(2, buf1);
8990 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8993 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8994 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8997 while( count < adjudicateLossPlies ) {
8998 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
9001 score = -score; /* Flip score for winning side */
9004 if( score > appData.adjudicateLossThreshold ) {
9011 if( count >= adjudicateLossPlies ) {
9012 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9014 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
9015 "Xboard adjudication",
9022 if(Adjudicate(cps)) {
9023 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9024 return; // [HGM] adjudicate: for all automatic game ends
9028 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9030 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9031 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9033 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9035 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9037 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9038 char buf[3*MSG_SIZ];
9040 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9041 programStats.score / 100.,
9043 programStats.time / 100.,
9044 (unsigned int)programStats.nodes,
9045 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9046 programStats.movelist);
9052 /* [AS] Clear stats for next move */
9053 ClearProgramStats();
9054 thinkOutput[0] = NULLCHAR;
9055 hiddenThinkOutputState = 0;
9058 if (gameMode == TwoMachinesPlay) {
9059 /* [HGM] relaying draw offers moved to after reception of move */
9060 /* and interpreting offer as claim if it brings draw condition */
9061 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9062 SendToProgram("draw\n", cps->other);
9064 if (cps->other->sendTime) {
9065 SendTimeRemaining(cps->other,
9066 cps->other->twoMachinesColor[0] == 'w');
9068 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9069 if (firstMove && !bookHit) {
9071 if (cps->other->useColors) {
9072 SendToProgram(cps->other->twoMachinesColor, cps->other);
9074 SendToProgram("go\n", cps->other);
9076 cps->other->maybeThinking = TRUE;
9079 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9081 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9083 if (!pausing && appData.ringBellAfterMoves) {
9084 if(!roar) RingBell();
9088 * Reenable menu items that were disabled while
9089 * machine was thinking
9091 if (gameMode != TwoMachinesPlay)
9092 SetUserThinkingEnables();
9094 // [HGM] book: after book hit opponent has received move and is now in force mode
9095 // force the book reply into it, and then fake that it outputted this move by jumping
9096 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9098 static char bookMove[MSG_SIZ]; // a bit generous?
9100 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9101 strcat(bookMove, bookHit);
9104 programStats.nodes = programStats.depth = programStats.time =
9105 programStats.score = programStats.got_only_move = 0;
9106 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9108 if(cps->lastPing != cps->lastPong) {
9109 savedMessage = message; // args for deferred call
9111 ScheduleDelayedEvent(DeferredBookMove, 10);
9120 /* Set special modes for chess engines. Later something general
9121 * could be added here; for now there is just one kludge feature,
9122 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9123 * when "xboard" is given as an interactive command.
9125 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9126 cps->useSigint = FALSE;
9127 cps->useSigterm = FALSE;
9129 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9130 ParseFeatures(message+8, cps);
9131 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9134 if (!strncmp(message, "setup ", 6) &&
9135 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9136 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9137 ) { // [HGM] allow first engine to define opening position
9138 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9139 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9141 if(sscanf(message, "setup (%s", buf) == 1) {
9142 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9143 ASSIGN(appData.pieceToCharTable, buf);
9145 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9147 while(message[s] && message[s++] != ' ');
9148 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9149 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9150 if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings
9151 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9152 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9153 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9154 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9155 startedFromSetupPosition = FALSE;
9158 if(startedFromSetupPosition) return;
9159 ParseFEN(boards[0], &dummy, message+s, FALSE);
9160 DrawPosition(TRUE, boards[0]);
9161 CopyBoard(initialPosition, boards[0]);
9162 startedFromSetupPosition = TRUE;
9165 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9166 ChessSquare piece = WhitePawn;
9167 char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
9168 if(*p == '+') promoted++, ID = *++p;
9169 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9170 piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
9171 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9172 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9173 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9174 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9175 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9176 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9177 && gameInfo.variant != VariantGreat
9178 && gameInfo.variant != VariantFairy ) return;
9179 if(piece < EmptySquare) {
9181 ASSIGN(pieceDesc[piece], buf1);
9182 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9186 if(sscanf(message, "choice %s", promoRestrict) == 1) {
9188 LeftClick(Press, 0, 0); // finish the click that was interrupted
9189 } else if(promoSweep != EmptySquare) {
9190 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9191 if(strlen(promoRestrict) > 1) Sweep(0);
9195 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9196 * want this, I was asked to put it in, and obliged.
9198 if (!strncmp(message, "setboard ", 9)) {
9199 Board initial_position;
9201 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9203 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9204 DisplayError(_("Bad FEN received from engine"), 0);
9208 CopyBoard(boards[0], initial_position);
9209 initialRulePlies = FENrulePlies;
9210 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9211 else gameMode = MachinePlaysBlack;
9212 DrawPosition(FALSE, boards[currentMove]);
9218 * Look for communication commands
9220 if (!strncmp(message, "telluser ", 9)) {
9221 if(message[9] == '\\' && message[10] == '\\')
9222 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9224 DisplayNote(message + 9);
9227 if (!strncmp(message, "tellusererror ", 14)) {
9229 if(message[14] == '\\' && message[15] == '\\')
9230 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9232 DisplayError(message + 14, 0);
9235 if (!strncmp(message, "tellopponent ", 13)) {
9236 if (appData.icsActive) {
9238 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9242 DisplayNote(message + 13);
9246 if (!strncmp(message, "tellothers ", 11)) {
9247 if (appData.icsActive) {
9249 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9252 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9255 if (!strncmp(message, "tellall ", 8)) {
9256 if (appData.icsActive) {
9258 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9262 DisplayNote(message + 8);
9266 if (strncmp(message, "warning", 7) == 0) {
9267 /* Undocumented feature, use tellusererror in new code */
9268 DisplayError(message, 0);
9271 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9272 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9273 strcat(realname, " query");
9274 AskQuestion(realname, buf2, buf1, cps->pr);
9277 /* Commands from the engine directly to ICS. We don't allow these to be
9278 * sent until we are logged on. Crafty kibitzes have been known to
9279 * interfere with the login process.
9282 if (!strncmp(message, "tellics ", 8)) {
9283 SendToICS(message + 8);
9287 if (!strncmp(message, "tellicsnoalias ", 15)) {
9288 SendToICS(ics_prefix);
9289 SendToICS(message + 15);
9293 /* The following are for backward compatibility only */
9294 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9295 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9296 SendToICS(ics_prefix);
9302 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9303 if(initPing == cps->lastPong) {
9304 if(gameInfo.variant == VariantUnknown) {
9305 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9306 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9307 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9311 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9312 abortEngineThink = FALSE;
9313 DisplayMessage("", "");
9318 if(!strncmp(message, "highlight ", 10)) {
9319 if(appData.testLegality && !*engineVariant && appData.markers) return;
9320 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9323 if(!strncmp(message, "click ", 6)) {
9324 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9325 if(appData.testLegality || !appData.oneClick) return;
9326 sscanf(message+6, "%c%d%c", &f, &y, &c);
9327 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9328 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9329 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9330 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9331 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9332 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9333 LeftClick(Release, lastLeftX, lastLeftY);
9334 controlKey = (c == ',');
9335 LeftClick(Press, x, y);
9336 LeftClick(Release, x, y);
9337 first.highlight = f;
9341 * If the move is illegal, cancel it and redraw the board.
9342 * Also deal with other error cases. Matching is rather loose
9343 * here to accommodate engines written before the spec.
9345 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9346 strncmp(message, "Error", 5) == 0) {
9347 if (StrStr(message, "name") ||
9348 StrStr(message, "rating") || StrStr(message, "?") ||
9349 StrStr(message, "result") || StrStr(message, "board") ||
9350 StrStr(message, "bk") || StrStr(message, "computer") ||
9351 StrStr(message, "variant") || StrStr(message, "hint") ||
9352 StrStr(message, "random") || StrStr(message, "depth") ||
9353 StrStr(message, "accepted")) {
9356 if (StrStr(message, "protover")) {
9357 /* Program is responding to input, so it's apparently done
9358 initializing, and this error message indicates it is
9359 protocol version 1. So we don't need to wait any longer
9360 for it to initialize and send feature commands. */
9361 FeatureDone(cps, 1);
9362 cps->protocolVersion = 1;
9365 cps->maybeThinking = FALSE;
9367 if (StrStr(message, "draw")) {
9368 /* Program doesn't have "draw" command */
9369 cps->sendDrawOffers = 0;
9372 if (cps->sendTime != 1 &&
9373 (StrStr(message, "time") || StrStr(message, "otim"))) {
9374 /* Program apparently doesn't have "time" or "otim" command */
9378 if (StrStr(message, "analyze")) {
9379 cps->analysisSupport = FALSE;
9380 cps->analyzing = FALSE;
9381 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9382 EditGameEvent(); // [HGM] try to preserve loaded game
9383 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9384 DisplayError(buf2, 0);
9387 if (StrStr(message, "(no matching move)st")) {
9388 /* Special kludge for GNU Chess 4 only */
9389 cps->stKludge = TRUE;
9390 SendTimeControl(cps, movesPerSession, timeControl,
9391 timeIncrement, appData.searchDepth,
9395 if (StrStr(message, "(no matching move)sd")) {
9396 /* Special kludge for GNU Chess 4 only */
9397 cps->sdKludge = TRUE;
9398 SendTimeControl(cps, movesPerSession, timeControl,
9399 timeIncrement, appData.searchDepth,
9403 if (!StrStr(message, "llegal")) {
9406 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9407 gameMode == IcsIdle) return;
9408 if (forwardMostMove <= backwardMostMove) return;
9409 if (pausing) PauseEvent();
9410 if(appData.forceIllegal) {
9411 // [HGM] illegal: machine refused move; force position after move into it
9412 SendToProgram("force\n", cps);
9413 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9414 // we have a real problem now, as SendBoard will use the a2a3 kludge
9415 // when black is to move, while there might be nothing on a2 or black
9416 // might already have the move. So send the board as if white has the move.
9417 // But first we must change the stm of the engine, as it refused the last move
9418 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9419 if(WhiteOnMove(forwardMostMove)) {
9420 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9421 SendBoard(cps, forwardMostMove); // kludgeless board
9423 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9424 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9425 SendBoard(cps, forwardMostMove+1); // kludgeless board
9427 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9428 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9429 gameMode == TwoMachinesPlay)
9430 SendToProgram("go\n", cps);
9433 if (gameMode == PlayFromGameFile) {
9434 /* Stop reading this game file */
9435 gameMode = EditGame;
9438 /* [HGM] illegal-move claim should forfeit game when Xboard */
9439 /* only passes fully legal moves */
9440 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9441 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9442 "False illegal-move claim", GE_XBOARD );
9443 return; // do not take back move we tested as valid
9445 currentMove = forwardMostMove-1;
9446 DisplayMove(currentMove-1); /* before DisplayMoveError */
9447 SwitchClocks(forwardMostMove-1); // [HGM] race
9448 DisplayBothClocks();
9449 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9450 parseList[currentMove], _(cps->which));
9451 DisplayMoveError(buf1);
9452 DrawPosition(FALSE, boards[currentMove]);
9454 SetUserThinkingEnables();
9457 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9458 /* Program has a broken "time" command that
9459 outputs a string not ending in newline.
9463 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9464 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9465 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9469 * If chess program startup fails, exit with an error message.
9470 * Attempts to recover here are futile. [HGM] Well, we try anyway
9472 if ((StrStr(message, "unknown host") != NULL)
9473 || (StrStr(message, "No remote directory") != NULL)
9474 || (StrStr(message, "not found") != NULL)
9475 || (StrStr(message, "No such file") != NULL)
9476 || (StrStr(message, "can't alloc") != NULL)
9477 || (StrStr(message, "Permission denied") != NULL)) {
9479 cps->maybeThinking = FALSE;
9480 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9481 _(cps->which), cps->program, cps->host, message);
9482 RemoveInputSource(cps->isr);
9483 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9484 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9485 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9491 * Look for hint output
9493 if (sscanf(message, "Hint: %s", buf1) == 1) {
9494 if (cps == &first && hintRequested) {
9495 hintRequested = FALSE;
9496 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9497 &fromX, &fromY, &toX, &toY, &promoChar)) {
9498 (void) CoordsToAlgebraic(boards[forwardMostMove],
9499 PosFlags(forwardMostMove),
9500 fromY, fromX, toY, toX, promoChar, buf1);
9501 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9502 DisplayInformation(buf2);
9504 /* Hint move could not be parsed!? */
9505 snprintf(buf2, sizeof(buf2),
9506 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9507 buf1, _(cps->which));
9508 DisplayError(buf2, 0);
9511 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9517 * Ignore other messages if game is not in progress
9519 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9520 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9523 * look for win, lose, draw, or draw offer
9525 if (strncmp(message, "1-0", 3) == 0) {
9526 char *p, *q, *r = "";
9527 p = strchr(message, '{');
9535 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9537 } else if (strncmp(message, "0-1", 3) == 0) {
9538 char *p, *q, *r = "";
9539 p = strchr(message, '{');
9547 /* Kludge for Arasan 4.1 bug */
9548 if (strcmp(r, "Black resigns") == 0) {
9549 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9552 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9554 } else if (strncmp(message, "1/2", 3) == 0) {
9555 char *p, *q, *r = "";
9556 p = strchr(message, '{');
9565 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9568 } else if (strncmp(message, "White resign", 12) == 0) {
9569 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9571 } else if (strncmp(message, "Black resign", 12) == 0) {
9572 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9574 } else if (strncmp(message, "White matches", 13) == 0 ||
9575 strncmp(message, "Black matches", 13) == 0 ) {
9576 /* [HGM] ignore GNUShogi noises */
9578 } else if (strncmp(message, "White", 5) == 0 &&
9579 message[5] != '(' &&
9580 StrStr(message, "Black") == NULL) {
9581 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9583 } else if (strncmp(message, "Black", 5) == 0 &&
9584 message[5] != '(') {
9585 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9587 } else if (strcmp(message, "resign") == 0 ||
9588 strcmp(message, "computer resigns") == 0) {
9590 case MachinePlaysBlack:
9591 case IcsPlayingBlack:
9592 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9594 case MachinePlaysWhite:
9595 case IcsPlayingWhite:
9596 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9598 case TwoMachinesPlay:
9599 if (cps->twoMachinesColor[0] == 'w')
9600 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9602 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9609 } else if (strncmp(message, "opponent mates", 14) == 0) {
9611 case MachinePlaysBlack:
9612 case IcsPlayingBlack:
9613 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9615 case MachinePlaysWhite:
9616 case IcsPlayingWhite:
9617 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9619 case TwoMachinesPlay:
9620 if (cps->twoMachinesColor[0] == 'w')
9621 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9623 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9630 } else if (strncmp(message, "computer mates", 14) == 0) {
9632 case MachinePlaysBlack:
9633 case IcsPlayingBlack:
9634 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9636 case MachinePlaysWhite:
9637 case IcsPlayingWhite:
9638 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9640 case TwoMachinesPlay:
9641 if (cps->twoMachinesColor[0] == 'w')
9642 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9644 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9651 } else if (strncmp(message, "checkmate", 9) == 0) {
9652 if (WhiteOnMove(forwardMostMove)) {
9653 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9655 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9658 } else if (strstr(message, "Draw") != NULL ||
9659 strstr(message, "game is a draw") != NULL) {
9660 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9662 } else if (strstr(message, "offer") != NULL &&
9663 strstr(message, "draw") != NULL) {
9665 if (appData.zippyPlay && first.initDone) {
9666 /* Relay offer to ICS */
9667 SendToICS(ics_prefix);
9668 SendToICS("draw\n");
9671 cps->offeredDraw = 2; /* valid until this engine moves twice */
9672 if (gameMode == TwoMachinesPlay) {
9673 if (cps->other->offeredDraw) {
9674 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9675 /* [HGM] in two-machine mode we delay relaying draw offer */
9676 /* until after we also have move, to see if it is really claim */
9678 } else if (gameMode == MachinePlaysWhite ||
9679 gameMode == MachinePlaysBlack) {
9680 if (userOfferedDraw) {
9681 DisplayInformation(_("Machine accepts your draw offer"));
9682 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9684 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9691 * Look for thinking output
9693 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9694 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9696 int plylev, mvleft, mvtot, curscore, time;
9697 char mvname[MOVE_LEN];
9701 int prefixHint = FALSE;
9702 mvname[0] = NULLCHAR;
9705 case MachinePlaysBlack:
9706 case IcsPlayingBlack:
9707 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9709 case MachinePlaysWhite:
9710 case IcsPlayingWhite:
9711 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9716 case IcsObserving: /* [DM] icsEngineAnalyze */
9717 if (!appData.icsEngineAnalyze) ignore = TRUE;
9719 case TwoMachinesPlay:
9720 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9730 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9733 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9734 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9735 char score_buf[MSG_SIZ];
9737 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9738 nodes += u64Const(0x100000000);
9740 if (plyext != ' ' && plyext != '\t') {
9744 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9745 if( cps->scoreIsAbsolute &&
9746 ( gameMode == MachinePlaysBlack ||
9747 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9748 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9749 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9750 !WhiteOnMove(currentMove)
9753 curscore = -curscore;
9756 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9758 if(*bestMove) { // rememer time best EPD move was first found
9759 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9760 ChessMove mt; char *p = bestMove;
9761 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9763 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9764 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9765 solvingTime = (solvingTime < 0 ? time : solvingTime);
9769 while(*p && *p != ' ') p++;
9770 while(*p == ' ') p++;
9772 if(!solved) solvingTime = -1;
9774 if(*avoidMove && !solved) {
9775 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9776 ChessMove mt; char *p = avoidMove, solved = 1;
9777 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9778 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9779 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9780 solved = 0; solvingTime = -2;
9783 while(*p && *p != ' ') p++;
9784 while(*p == ' ') p++;
9786 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9789 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9792 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9793 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9794 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9795 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9796 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9797 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9801 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9802 DisplayError(_("failed writing PV"), 0);
9805 tempStats.depth = plylev;
9806 tempStats.nodes = nodes;
9807 tempStats.time = time;
9808 tempStats.score = curscore;
9809 tempStats.got_only_move = 0;
9811 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9814 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9815 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9816 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9817 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9818 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9819 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9820 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9821 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9824 /* Buffer overflow protection */
9825 if (pv[0] != NULLCHAR) {
9826 if (strlen(pv) >= sizeof(tempStats.movelist)
9827 && appData.debugMode) {
9829 "PV is too long; using the first %u bytes.\n",
9830 (unsigned) sizeof(tempStats.movelist) - 1);
9833 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9835 sprintf(tempStats.movelist, " no PV\n");
9838 if (tempStats.seen_stat) {
9839 tempStats.ok_to_send = 1;
9842 if (strchr(tempStats.movelist, '(') != NULL) {
9843 tempStats.line_is_book = 1;
9844 tempStats.nr_moves = 0;
9845 tempStats.moves_left = 0;
9847 tempStats.line_is_book = 0;
9850 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9851 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9853 SendProgramStatsToFrontend( cps, &tempStats );
9856 [AS] Protect the thinkOutput buffer from overflow... this
9857 is only useful if buf1 hasn't overflowed first!
9859 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9860 if(curscore >= MATE_SCORE)
9861 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9862 else if(curscore <= -MATE_SCORE)
9863 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9865 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9866 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9868 (gameMode == TwoMachinesPlay ?
9869 ToUpper(cps->twoMachinesColor[0]) : ' '),
9871 prefixHint ? lastHint : "",
9872 prefixHint ? " " : "" );
9874 if( buf1[0] != NULLCHAR ) {
9875 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9877 if( strlen(pv) > max_len ) {
9878 if( appData.debugMode) {
9879 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9881 pv[max_len+1] = '\0';
9884 strcat( thinkOutput, pv);
9887 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9888 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9889 DisplayMove(currentMove - 1);
9893 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9894 /* crafty (9.25+) says "(only move) <move>"
9895 * if there is only 1 legal move
9897 sscanf(p, "(only move) %s", buf1);
9898 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9899 sprintf(programStats.movelist, "%s (only move)", buf1);
9900 programStats.depth = 1;
9901 programStats.nr_moves = 1;
9902 programStats.moves_left = 1;
9903 programStats.nodes = 1;
9904 programStats.time = 1;
9905 programStats.got_only_move = 1;
9907 /* Not really, but we also use this member to
9908 mean "line isn't going to change" (Crafty
9909 isn't searching, so stats won't change) */
9910 programStats.line_is_book = 1;
9912 SendProgramStatsToFrontend( cps, &programStats );
9914 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9915 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9916 DisplayMove(currentMove - 1);
9919 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9920 &time, &nodes, &plylev, &mvleft,
9921 &mvtot, mvname) >= 5) {
9922 /* The stat01: line is from Crafty (9.29+) in response
9923 to the "." command */
9924 programStats.seen_stat = 1;
9925 cps->maybeThinking = TRUE;
9927 if (programStats.got_only_move || !appData.periodicUpdates)
9930 programStats.depth = plylev;
9931 programStats.time = time;
9932 programStats.nodes = nodes;
9933 programStats.moves_left = mvleft;
9934 programStats.nr_moves = mvtot;
9935 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9936 programStats.ok_to_send = 1;
9937 programStats.movelist[0] = '\0';
9939 SendProgramStatsToFrontend( cps, &programStats );
9943 } else if (strncmp(message,"++",2) == 0) {
9944 /* Crafty 9.29+ outputs this */
9945 programStats.got_fail = 2;
9948 } else if (strncmp(message,"--",2) == 0) {
9949 /* Crafty 9.29+ outputs this */
9950 programStats.got_fail = 1;
9953 } else if (thinkOutput[0] != NULLCHAR &&
9954 strncmp(message, " ", 4) == 0) {
9955 unsigned message_len;
9958 while (*p && *p == ' ') p++;
9960 message_len = strlen( p );
9962 /* [AS] Avoid buffer overflow */
9963 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9964 strcat(thinkOutput, " ");
9965 strcat(thinkOutput, p);
9968 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9969 strcat(programStats.movelist, " ");
9970 strcat(programStats.movelist, p);
9973 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9974 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9975 DisplayMove(currentMove - 1);
9983 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9984 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9986 ChessProgramStats cpstats;
9988 if (plyext != ' ' && plyext != '\t') {
9992 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9993 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9994 curscore = -curscore;
9997 cpstats.depth = plylev;
9998 cpstats.nodes = nodes;
9999 cpstats.time = time;
10000 cpstats.score = curscore;
10001 cpstats.got_only_move = 0;
10002 cpstats.movelist[0] = '\0';
10004 if (buf1[0] != NULLCHAR) {
10005 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
10008 cpstats.ok_to_send = 0;
10009 cpstats.line_is_book = 0;
10010 cpstats.nr_moves = 0;
10011 cpstats.moves_left = 0;
10013 SendProgramStatsToFrontend( cps, &cpstats );
10020 /* Parse a game score from the character string "game", and
10021 record it as the history of the current game. The game
10022 score is NOT assumed to start from the standard position.
10023 The display is not updated in any way.
10026 ParseGameHistory (char *game)
10028 ChessMove moveType;
10029 int fromX, fromY, toX, toY, boardIndex;
10034 if (appData.debugMode)
10035 fprintf(debugFP, "Parsing game history: %s\n", game);
10037 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10038 gameInfo.site = StrSave(appData.icsHost);
10039 gameInfo.date = PGNDate();
10040 gameInfo.round = StrSave("-");
10042 /* Parse out names of players */
10043 while (*game == ' ') game++;
10045 while (*game != ' ') *p++ = *game++;
10047 gameInfo.white = StrSave(buf);
10048 while (*game == ' ') game++;
10050 while (*game != ' ' && *game != '\n') *p++ = *game++;
10052 gameInfo.black = StrSave(buf);
10055 boardIndex = blackPlaysFirst ? 1 : 0;
10058 yyboardindex = boardIndex;
10059 moveType = (ChessMove) Myylex();
10060 switch (moveType) {
10061 case IllegalMove: /* maybe suicide chess, etc. */
10062 if (appData.debugMode) {
10063 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10064 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10065 setbuf(debugFP, NULL);
10067 case WhitePromotion:
10068 case BlackPromotion:
10069 case WhiteNonPromotion:
10070 case BlackNonPromotion:
10073 case WhiteCapturesEnPassant:
10074 case BlackCapturesEnPassant:
10075 case WhiteKingSideCastle:
10076 case WhiteQueenSideCastle:
10077 case BlackKingSideCastle:
10078 case BlackQueenSideCastle:
10079 case WhiteKingSideCastleWild:
10080 case WhiteQueenSideCastleWild:
10081 case BlackKingSideCastleWild:
10082 case BlackQueenSideCastleWild:
10084 case WhiteHSideCastleFR:
10085 case WhiteASideCastleFR:
10086 case BlackHSideCastleFR:
10087 case BlackASideCastleFR:
10089 fromX = currentMoveString[0] - AAA;
10090 fromY = currentMoveString[1] - ONE;
10091 toX = currentMoveString[2] - AAA;
10092 toY = currentMoveString[3] - ONE;
10093 promoChar = currentMoveString[4];
10097 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10098 fromX = moveType == WhiteDrop ?
10099 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10100 (int) CharToPiece(ToLower(currentMoveString[0]));
10102 toX = currentMoveString[2] - AAA;
10103 toY = currentMoveString[3] - ONE;
10104 promoChar = NULLCHAR;
10106 case AmbiguousMove:
10108 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10109 if (appData.debugMode) {
10110 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10111 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10112 setbuf(debugFP, NULL);
10114 DisplayError(buf, 0);
10116 case ImpossibleMove:
10118 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10119 if (appData.debugMode) {
10120 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10121 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10122 setbuf(debugFP, NULL);
10124 DisplayError(buf, 0);
10127 if (boardIndex < backwardMostMove) {
10128 /* Oops, gap. How did that happen? */
10129 DisplayError(_("Gap in move list"), 0);
10132 backwardMostMove = blackPlaysFirst ? 1 : 0;
10133 if (boardIndex > forwardMostMove) {
10134 forwardMostMove = boardIndex;
10138 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10139 strcat(parseList[boardIndex-1], " ");
10140 strcat(parseList[boardIndex-1], yy_text);
10152 case GameUnfinished:
10153 if (gameMode == IcsExamining) {
10154 if (boardIndex < backwardMostMove) {
10155 /* Oops, gap. How did that happen? */
10158 backwardMostMove = blackPlaysFirst ? 1 : 0;
10161 gameInfo.result = moveType;
10162 p = strchr(yy_text, '{');
10163 if (p == NULL) p = strchr(yy_text, '(');
10166 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10168 q = strchr(p, *p == '{' ? '}' : ')');
10169 if (q != NULL) *q = NULLCHAR;
10172 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10173 gameInfo.resultDetails = StrSave(p);
10176 if (boardIndex >= forwardMostMove &&
10177 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10178 backwardMostMove = blackPlaysFirst ? 1 : 0;
10181 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10182 fromY, fromX, toY, toX, promoChar,
10183 parseList[boardIndex]);
10184 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10185 /* currentMoveString is set as a side-effect of yylex */
10186 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10187 strcat(moveList[boardIndex], "\n");
10189 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10190 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10196 if(!IS_SHOGI(gameInfo.variant))
10197 strcat(parseList[boardIndex - 1], "+");
10201 strcat(parseList[boardIndex - 1], "#");
10208 /* Apply a move to the given board */
10210 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10212 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10213 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10215 /* [HGM] compute & store e.p. status and castling rights for new position */
10216 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10218 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10219 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10220 board[EP_STATUS] = EP_NONE;
10221 board[EP_FILE] = board[EP_RANK] = 100;
10223 if (fromY == DROP_RANK) {
10224 /* must be first */
10225 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10226 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10229 piece = board[toY][toX] = (ChessSquare) fromX;
10231 // ChessSquare victim;
10234 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10235 // victim = board[killY][killX],
10236 killed = board[killY][killX],
10237 board[killY][killX] = EmptySquare,
10238 board[EP_STATUS] = EP_CAPTURE;
10239 if( kill2X >= 0 && kill2Y >= 0)
10240 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10243 if( board[toY][toX] != EmptySquare ) {
10244 board[EP_STATUS] = EP_CAPTURE;
10245 if( (fromX != toX || fromY != toY) && // not igui!
10246 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10247 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10248 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10252 pawn = board[fromY][fromX];
10253 if( pawn == WhiteLance || pawn == BlackLance ) {
10254 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10255 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10256 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10259 if( pawn == WhitePawn ) {
10260 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10261 board[EP_STATUS] = EP_PAWN_MOVE;
10262 if( toY-fromY>=2) {
10263 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10264 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10265 gameInfo.variant != VariantBerolina || toX < fromX)
10266 board[EP_STATUS] = toX | berolina;
10267 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10268 gameInfo.variant != VariantBerolina || toX > fromX)
10269 board[EP_STATUS] = toX;
10272 if( pawn == BlackPawn ) {
10273 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10274 board[EP_STATUS] = EP_PAWN_MOVE;
10275 if( toY-fromY<= -2) {
10276 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10277 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10278 gameInfo.variant != VariantBerolina || toX < fromX)
10279 board[EP_STATUS] = toX | berolina;
10280 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10281 gameInfo.variant != VariantBerolina || toX > fromX)
10282 board[EP_STATUS] = toX;
10286 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10287 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10288 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10289 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10291 for(i=0; i<nrCastlingRights; i++) {
10292 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10293 board[CASTLING][i] == toX && castlingRank[i] == toY
10294 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10297 if(gameInfo.variant == VariantSChess) { // update virginity
10298 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10299 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10300 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10301 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10304 if (fromX == toX && fromY == toY && killX < 0) return;
10306 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10307 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10308 if(gameInfo.variant == VariantKnightmate)
10309 king += (int) WhiteUnicorn - (int) WhiteKing;
10311 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10312 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10313 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10314 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10315 board[EP_STATUS] = EP_NONE; // capture was fake!
10317 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10318 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10319 board[toY][toX] = piece;
10320 board[EP_STATUS] = EP_NONE; // capture was fake!
10322 /* Code added by Tord: */
10323 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10324 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10325 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10326 board[EP_STATUS] = EP_NONE; // capture was fake!
10327 board[fromY][fromX] = EmptySquare;
10328 board[toY][toX] = EmptySquare;
10329 if((toX > fromX) != (piece == WhiteRook)) {
10330 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10332 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10334 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10335 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10336 board[EP_STATUS] = EP_NONE;
10337 board[fromY][fromX] = EmptySquare;
10338 board[toY][toX] = EmptySquare;
10339 if((toX > fromX) != (piece == BlackRook)) {
10340 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10342 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10344 /* End of code added by Tord */
10346 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10347 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10348 board[toY][toX] = piece;
10349 } else if (board[fromY][fromX] == king
10350 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10351 && toY == fromY && toX > fromX+1) {
10352 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10353 ; // castle with nearest piece
10354 board[fromY][toX-1] = board[fromY][rookX];
10355 board[fromY][rookX] = EmptySquare;
10356 board[fromY][fromX] = EmptySquare;
10357 board[toY][toX] = king;
10358 } else if (board[fromY][fromX] == king
10359 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10360 && toY == fromY && toX < fromX-1) {
10361 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10362 ; // castle with nearest piece
10363 board[fromY][toX+1] = board[fromY][rookX];
10364 board[fromY][rookX] = EmptySquare;
10365 board[fromY][fromX] = EmptySquare;
10366 board[toY][toX] = king;
10367 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10368 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10369 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10371 /* white pawn promotion */
10372 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10373 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10374 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10375 board[fromY][fromX] = EmptySquare;
10376 } else if ((fromY >= BOARD_HEIGHT>>1)
10377 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10379 && gameInfo.variant != VariantXiangqi
10380 && gameInfo.variant != VariantBerolina
10381 && (pawn == WhitePawn)
10382 && (board[toY][toX] == EmptySquare)) {
10383 board[fromY][fromX] = EmptySquare;
10384 board[toY][toX] = piece;
10385 if(toY == epRank - 128 + 1)
10386 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10388 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10389 } else if ((fromY == BOARD_HEIGHT-4)
10391 && gameInfo.variant == VariantBerolina
10392 && (board[fromY][fromX] == WhitePawn)
10393 && (board[toY][toX] == EmptySquare)) {
10394 board[fromY][fromX] = EmptySquare;
10395 board[toY][toX] = WhitePawn;
10396 if(oldEP & EP_BEROLIN_A) {
10397 captured = board[fromY][fromX-1];
10398 board[fromY][fromX-1] = EmptySquare;
10399 }else{ captured = board[fromY][fromX+1];
10400 board[fromY][fromX+1] = EmptySquare;
10402 } else if (board[fromY][fromX] == king
10403 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10404 && toY == fromY && toX > fromX+1) {
10405 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10407 board[fromY][toX-1] = board[fromY][rookX];
10408 board[fromY][rookX] = EmptySquare;
10409 board[fromY][fromX] = EmptySquare;
10410 board[toY][toX] = king;
10411 } else if (board[fromY][fromX] == king
10412 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10413 && toY == fromY && toX < fromX-1) {
10414 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10416 board[fromY][toX+1] = board[fromY][rookX];
10417 board[fromY][rookX] = EmptySquare;
10418 board[fromY][fromX] = EmptySquare;
10419 board[toY][toX] = king;
10420 } else if (fromY == 7 && fromX == 3
10421 && board[fromY][fromX] == BlackKing
10422 && toY == 7 && toX == 5) {
10423 board[fromY][fromX] = EmptySquare;
10424 board[toY][toX] = BlackKing;
10425 board[fromY][7] = EmptySquare;
10426 board[toY][4] = BlackRook;
10427 } else if (fromY == 7 && fromX == 3
10428 && board[fromY][fromX] == BlackKing
10429 && toY == 7 && toX == 1) {
10430 board[fromY][fromX] = EmptySquare;
10431 board[toY][toX] = BlackKing;
10432 board[fromY][0] = EmptySquare;
10433 board[toY][2] = BlackRook;
10434 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10435 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10436 && toY < promoRank && promoChar
10438 /* black pawn promotion */
10439 board[toY][toX] = CharToPiece(ToLower(promoChar));
10440 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10441 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10442 board[fromY][fromX] = EmptySquare;
10443 } else if ((fromY < BOARD_HEIGHT>>1)
10444 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10446 && gameInfo.variant != VariantXiangqi
10447 && gameInfo.variant != VariantBerolina
10448 && (pawn == BlackPawn)
10449 && (board[toY][toX] == EmptySquare)) {
10450 board[fromY][fromX] = EmptySquare;
10451 board[toY][toX] = piece;
10452 if(toY == epRank - 128 - 1)
10453 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10455 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10456 } else if ((fromY == 3)
10458 && gameInfo.variant == VariantBerolina
10459 && (board[fromY][fromX] == BlackPawn)
10460 && (board[toY][toX] == EmptySquare)) {
10461 board[fromY][fromX] = EmptySquare;
10462 board[toY][toX] = BlackPawn;
10463 if(oldEP & EP_BEROLIN_A) {
10464 captured = board[fromY][fromX-1];
10465 board[fromY][fromX-1] = EmptySquare;
10466 }else{ captured = board[fromY][fromX+1];
10467 board[fromY][fromX+1] = EmptySquare;
10470 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10471 board[fromY][fromX] = EmptySquare;
10472 board[toY][toX] = piece;
10476 if (gameInfo.holdingsWidth != 0) {
10478 /* !!A lot more code needs to be written to support holdings */
10479 /* [HGM] OK, so I have written it. Holdings are stored in the */
10480 /* penultimate board files, so they are automaticlly stored */
10481 /* in the game history. */
10482 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10483 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10484 /* Delete from holdings, by decreasing count */
10485 /* and erasing image if necessary */
10486 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10487 if(p < (int) BlackPawn) { /* white drop */
10488 p -= (int)WhitePawn;
10489 p = PieceToNumber((ChessSquare)p);
10490 if(p >= gameInfo.holdingsSize) p = 0;
10491 if(--board[p][BOARD_WIDTH-2] <= 0)
10492 board[p][BOARD_WIDTH-1] = EmptySquare;
10493 if((int)board[p][BOARD_WIDTH-2] < 0)
10494 board[p][BOARD_WIDTH-2] = 0;
10495 } else { /* black drop */
10496 p -= (int)BlackPawn;
10497 p = PieceToNumber((ChessSquare)p);
10498 if(p >= gameInfo.holdingsSize) p = 0;
10499 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10500 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10501 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10502 board[BOARD_HEIGHT-1-p][1] = 0;
10505 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10506 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10507 /* [HGM] holdings: Add to holdings, if holdings exist */
10508 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10509 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10510 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10512 p = (int) captured;
10513 if (p >= (int) BlackPawn) {
10514 p -= (int)BlackPawn;
10515 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10516 /* Restore shogi-promoted piece to its original first */
10517 captured = (ChessSquare) (DEMOTED(captured));
10520 p = PieceToNumber((ChessSquare)p);
10521 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10522 board[p][BOARD_WIDTH-2]++;
10523 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10525 p -= (int)WhitePawn;
10526 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10527 captured = (ChessSquare) (DEMOTED(captured));
10530 p = PieceToNumber((ChessSquare)p);
10531 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10532 board[BOARD_HEIGHT-1-p][1]++;
10533 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10536 } else if (gameInfo.variant == VariantAtomic) {
10537 if (captured != EmptySquare) {
10539 for (y = toY-1; y <= toY+1; y++) {
10540 for (x = toX-1; x <= toX+1; x++) {
10541 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10542 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10543 board[y][x] = EmptySquare;
10547 board[toY][toX] = EmptySquare;
10551 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10552 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10554 if(promoChar == '+') {
10555 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10556 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10557 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10558 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10559 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10560 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10561 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10562 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10563 board[toY][toX] = newPiece;
10565 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10566 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10567 // [HGM] superchess: take promotion piece out of holdings
10568 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10569 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10570 if(!--board[k][BOARD_WIDTH-2])
10571 board[k][BOARD_WIDTH-1] = EmptySquare;
10573 if(!--board[BOARD_HEIGHT-1-k][1])
10574 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10579 /* Updates forwardMostMove */
10581 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10583 int x = toX, y = toY;
10584 char *s = parseList[forwardMostMove];
10585 ChessSquare p = boards[forwardMostMove][toY][toX];
10586 // forwardMostMove++; // [HGM] bare: moved downstream
10588 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10589 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10590 (void) CoordsToAlgebraic(boards[forwardMostMove],
10591 PosFlags(forwardMostMove),
10592 fromY, fromX, y, x, (killX < 0)*promoChar,
10594 if(kill2X >= 0 && kill2Y >= 0)
10595 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10596 if(killX >= 0 && killY >= 0)
10597 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10598 toX + AAA, toY + ONE - '0', promoChar);
10600 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10601 int timeLeft; static int lastLoadFlag=0; int king, piece;
10602 piece = boards[forwardMostMove][fromY][fromX];
10603 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10604 if(gameInfo.variant == VariantKnightmate)
10605 king += (int) WhiteUnicorn - (int) WhiteKing;
10606 if(forwardMostMove == 0) {
10607 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10608 fprintf(serverMoves, "%s;", UserName());
10609 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10610 fprintf(serverMoves, "%s;", second.tidy);
10611 fprintf(serverMoves, "%s;", first.tidy);
10612 if(gameMode == MachinePlaysWhite)
10613 fprintf(serverMoves, "%s;", UserName());
10614 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10615 fprintf(serverMoves, "%s;", second.tidy);
10616 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10617 lastLoadFlag = loadFlag;
10619 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10620 // print castling suffix
10621 if( toY == fromY && piece == king ) {
10623 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10625 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10628 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10629 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10630 boards[forwardMostMove][toY][toX] == EmptySquare
10631 && fromX != toX && fromY != toY)
10632 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10633 // promotion suffix
10634 if(promoChar != NULLCHAR) {
10635 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10636 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10637 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10638 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10641 char buf[MOVE_LEN*2], *p; int len;
10642 fprintf(serverMoves, "/%d/%d",
10643 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10644 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10645 else timeLeft = blackTimeRemaining/1000;
10646 fprintf(serverMoves, "/%d", timeLeft);
10647 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10648 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10649 if(p = strchr(buf, '=')) *p = NULLCHAR;
10650 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10651 fprintf(serverMoves, "/%s", buf);
10653 fflush(serverMoves);
10656 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10657 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10660 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10661 if (commentList[forwardMostMove+1] != NULL) {
10662 free(commentList[forwardMostMove+1]);
10663 commentList[forwardMostMove+1] = NULL;
10665 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10666 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10667 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10668 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10669 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10670 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10671 adjustedClock = FALSE;
10672 gameInfo.result = GameUnfinished;
10673 if (gameInfo.resultDetails != NULL) {
10674 free(gameInfo.resultDetails);
10675 gameInfo.resultDetails = NULL;
10677 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10678 moveList[forwardMostMove - 1]);
10679 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10685 if(!IS_SHOGI(gameInfo.variant))
10686 strcat(parseList[forwardMostMove - 1], "+");
10690 strcat(parseList[forwardMostMove - 1], "#");
10695 /* Updates currentMove if not pausing */
10697 ShowMove (int fromX, int fromY, int toX, int toY)
10699 int instant = (gameMode == PlayFromGameFile) ?
10700 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10701 if(appData.noGUI) return;
10702 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10704 if (forwardMostMove == currentMove + 1) {
10705 AnimateMove(boards[forwardMostMove - 1],
10706 fromX, fromY, toX, toY);
10709 currentMove = forwardMostMove;
10712 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10714 if (instant) return;
10716 DisplayMove(currentMove - 1);
10717 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10718 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10719 SetHighlights(fromX, fromY, toX, toY);
10722 DrawPosition(FALSE, boards[currentMove]);
10723 DisplayBothClocks();
10724 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10728 SendEgtPath (ChessProgramState *cps)
10729 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10730 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10732 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10735 char c, *q = name+1, *r, *s;
10737 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10738 while(*p && *p != ',') *q++ = *p++;
10739 *q++ = ':'; *q = 0;
10740 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10741 strcmp(name, ",nalimov:") == 0 ) {
10742 // take nalimov path from the menu-changeable option first, if it is defined
10743 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10744 SendToProgram(buf,cps); // send egtbpath command for nalimov
10746 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10747 (s = StrStr(appData.egtFormats, name)) != NULL) {
10748 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10749 s = r = StrStr(s, ":") + 1; // beginning of path info
10750 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10751 c = *r; *r = 0; // temporarily null-terminate path info
10752 *--q = 0; // strip of trailig ':' from name
10753 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10755 SendToProgram(buf,cps); // send egtbpath command for this format
10757 if(*p == ',') p++; // read away comma to position for next format name
10762 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10764 int width = 8, height = 8, holdings = 0; // most common sizes
10765 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10766 // correct the deviations default for each variant
10767 if( v == VariantXiangqi ) width = 9, height = 10;
10768 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10769 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10770 if( v == VariantCapablanca || v == VariantCapaRandom ||
10771 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10773 if( v == VariantCourier ) width = 12;
10774 if( v == VariantSuper ) holdings = 8;
10775 if( v == VariantGreat ) width = 10, holdings = 8;
10776 if( v == VariantSChess ) holdings = 7;
10777 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10778 if( v == VariantChuChess) width = 10, height = 10;
10779 if( v == VariantChu ) width = 12, height = 12;
10780 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10781 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10782 holdingsSize >= 0 && holdingsSize != holdings;
10785 char variantError[MSG_SIZ];
10788 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10789 { // returns error message (recognizable by upper-case) if engine does not support the variant
10790 char *p, *variant = VariantName(v);
10791 static char b[MSG_SIZ];
10792 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10793 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10794 holdingsSize, variant); // cook up sized variant name
10795 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10796 if(StrStr(list, b) == NULL) {
10797 // specific sized variant not known, check if general sizing allowed
10798 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10799 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10800 boardWidth, boardHeight, holdingsSize, engine);
10803 /* [HGM] here we really should compare with the maximum supported board size */
10805 } else snprintf(b, MSG_SIZ,"%s", variant);
10806 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10807 p = StrStr(list, b);
10808 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10810 // occurs not at all in list, or only as sub-string
10811 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10812 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10813 int l = strlen(variantError);
10815 while(p != list && p[-1] != ',') p--;
10816 q = strchr(p, ',');
10817 if(q) *q = NULLCHAR;
10818 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10827 InitChessProgram (ChessProgramState *cps, int setup)
10828 /* setup needed to setup FRC opening position */
10830 char buf[MSG_SIZ], *b;
10831 if (appData.noChessProgram) return;
10832 hintRequested = FALSE;
10833 bookRequested = FALSE;
10835 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10836 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10837 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10838 if(cps->memSize) { /* [HGM] memory */
10839 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10840 SendToProgram(buf, cps);
10842 SendEgtPath(cps); /* [HGM] EGT */
10843 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10844 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10845 SendToProgram(buf, cps);
10848 setboardSpoiledMachineBlack = FALSE;
10849 SendToProgram(cps->initString, cps);
10850 if (gameInfo.variant != VariantNormal &&
10851 gameInfo.variant != VariantLoadable
10852 /* [HGM] also send variant if board size non-standard */
10853 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10855 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10856 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10860 char c, *q = cps->variants, *p = strchr(q, ',');
10861 if(p) *p = NULLCHAR;
10862 v = StringToVariant(q);
10863 DisplayError(variantError, 0);
10864 if(v != VariantUnknown && cps == &first) {
10866 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10867 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10868 ASSIGN(appData.variant, q);
10869 Reset(TRUE, FALSE);
10875 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10876 SendToProgram(buf, cps);
10878 currentlyInitializedVariant = gameInfo.variant;
10880 /* [HGM] send opening position in FRC to first engine */
10882 SendToProgram("force\n", cps);
10884 /* engine is now in force mode! Set flag to wake it up after first move. */
10885 setboardSpoiledMachineBlack = 1;
10888 if (cps->sendICS) {
10889 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10890 SendToProgram(buf, cps);
10892 cps->maybeThinking = FALSE;
10893 cps->offeredDraw = 0;
10894 if (!appData.icsActive) {
10895 SendTimeControl(cps, movesPerSession, timeControl,
10896 timeIncrement, appData.searchDepth,
10899 if (appData.showThinking
10900 // [HGM] thinking: four options require thinking output to be sent
10901 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10903 SendToProgram("post\n", cps);
10905 SendToProgram("hard\n", cps);
10906 if (!appData.ponderNextMove) {
10907 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10908 it without being sure what state we are in first. "hard"
10909 is not a toggle, so that one is OK.
10911 SendToProgram("easy\n", cps);
10913 if (cps->usePing) {
10914 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10915 SendToProgram(buf, cps);
10917 cps->initDone = TRUE;
10918 ClearEngineOutputPane(cps == &second);
10923 ResendOptions (ChessProgramState *cps)
10924 { // send the stored value of the options
10927 Option *opt = cps->option;
10928 for(i=0; i<cps->nrOptions; i++, opt++) {
10929 switch(opt->type) {
10933 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10936 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10939 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10945 SendToProgram(buf, cps);
10950 StartChessProgram (ChessProgramState *cps)
10955 if (appData.noChessProgram) return;
10956 cps->initDone = FALSE;
10958 if (strcmp(cps->host, "localhost") == 0) {
10959 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10960 } else if (*appData.remoteShell == NULLCHAR) {
10961 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10963 if (*appData.remoteUser == NULLCHAR) {
10964 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10967 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10968 cps->host, appData.remoteUser, cps->program);
10970 err = StartChildProcess(buf, "", &cps->pr);
10974 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10975 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10976 if(cps != &first) return;
10977 appData.noChessProgram = TRUE;
10980 // DisplayFatalError(buf, err, 1);
10981 // cps->pr = NoProc;
10982 // cps->isr = NULL;
10986 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10987 if (cps->protocolVersion > 1) {
10988 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10989 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10990 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10991 cps->comboCnt = 0; // and values of combo boxes
10993 SendToProgram(buf, cps);
10994 if(cps->reload) ResendOptions(cps);
10996 SendToProgram("xboard\n", cps);
11001 TwoMachinesEventIfReady P((void))
11003 static int curMess = 0;
11004 if (first.lastPing != first.lastPong) {
11005 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11006 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11009 if (second.lastPing != second.lastPong) {
11010 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11011 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11014 DisplayMessage("", ""); curMess = 0;
11015 TwoMachinesEvent();
11019 MakeName (char *template)
11023 static char buf[MSG_SIZ];
11027 clock = time((time_t *)NULL);
11028 tm = localtime(&clock);
11030 while(*p++ = *template++) if(p[-1] == '%') {
11031 switch(*template++) {
11032 case 0: *p = 0; return buf;
11033 case 'Y': i = tm->tm_year+1900; break;
11034 case 'y': i = tm->tm_year-100; break;
11035 case 'M': i = tm->tm_mon+1; break;
11036 case 'd': i = tm->tm_mday; break;
11037 case 'h': i = tm->tm_hour; break;
11038 case 'm': i = tm->tm_min; break;
11039 case 's': i = tm->tm_sec; break;
11042 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11048 CountPlayers (char *p)
11051 while(p = strchr(p, '\n')) p++, n++; // count participants
11056 WriteTourneyFile (char *results, FILE *f)
11057 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11058 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11059 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11060 // create a file with tournament description
11061 fprintf(f, "-participants {%s}\n", appData.participants);
11062 fprintf(f, "-seedBase %d\n", appData.seedBase);
11063 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11064 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11065 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11066 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11067 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11068 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11069 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11070 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11071 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11072 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11073 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11074 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11075 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11076 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11077 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11078 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11079 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11080 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11081 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11082 fprintf(f, "-smpCores %d\n", appData.smpCores);
11084 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11086 fprintf(f, "-mps %d\n", appData.movesPerSession);
11087 fprintf(f, "-tc %s\n", appData.timeControl);
11088 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11090 fprintf(f, "-results \"%s\"\n", results);
11095 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11098 Substitute (char *participants, int expunge)
11100 int i, changed, changes=0, nPlayers=0;
11101 char *p, *q, *r, buf[MSG_SIZ];
11102 if(participants == NULL) return;
11103 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11104 r = p = participants; q = appData.participants;
11105 while(*p && *p == *q) {
11106 if(*p == '\n') r = p+1, nPlayers++;
11109 if(*p) { // difference
11110 while(*p && *p++ != '\n')
11112 while(*q && *q++ != '\n')
11114 changed = nPlayers;
11115 changes = 1 + (strcmp(p, q) != 0);
11117 if(changes == 1) { // a single engine mnemonic was changed
11118 q = r; while(*q) nPlayers += (*q++ == '\n');
11119 p = buf; while(*r && (*p = *r++) != '\n') p++;
11121 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11122 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11123 if(mnemonic[i]) { // The substitute is valid
11125 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11126 flock(fileno(f), LOCK_EX);
11127 ParseArgsFromFile(f);
11128 fseek(f, 0, SEEK_SET);
11129 FREE(appData.participants); appData.participants = participants;
11130 if(expunge) { // erase results of replaced engine
11131 int len = strlen(appData.results), w, b, dummy;
11132 for(i=0; i<len; i++) {
11133 Pairing(i, nPlayers, &w, &b, &dummy);
11134 if((w == changed || b == changed) && appData.results[i] == '*') {
11135 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11140 for(i=0; i<len; i++) {
11141 Pairing(i, nPlayers, &w, &b, &dummy);
11142 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11145 WriteTourneyFile(appData.results, f);
11146 fclose(f); // release lock
11149 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11151 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11152 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11153 free(participants);
11158 CheckPlayers (char *participants)
11161 char buf[MSG_SIZ], *p;
11162 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11163 while(p = strchr(participants, '\n')) {
11165 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11167 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11169 DisplayError(buf, 0);
11173 participants = p + 1;
11179 CreateTourney (char *name)
11182 if(matchMode && strcmp(name, appData.tourneyFile)) {
11183 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11185 if(name[0] == NULLCHAR) {
11186 if(appData.participants[0])
11187 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11190 f = fopen(name, "r");
11191 if(f) { // file exists
11192 ASSIGN(appData.tourneyFile, name);
11193 ParseArgsFromFile(f); // parse it
11195 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11196 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11197 DisplayError(_("Not enough participants"), 0);
11200 if(CheckPlayers(appData.participants)) return 0;
11201 ASSIGN(appData.tourneyFile, name);
11202 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11203 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11206 appData.noChessProgram = FALSE;
11207 appData.clockMode = TRUE;
11213 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11215 char buf[MSG_SIZ], *p, *q;
11216 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11217 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11218 skip = !all && group[0]; // if group requested, we start in skip mode
11219 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11220 p = names; q = buf; header = 0;
11221 while(*p && *p != '\n') *q++ = *p++;
11223 if(*p == '\n') p++;
11224 if(buf[0] == '#') {
11225 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11226 depth++; // we must be entering a new group
11227 if(all) continue; // suppress printing group headers when complete list requested
11229 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11231 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11232 if(engineList[i]) free(engineList[i]);
11233 engineList[i] = strdup(buf);
11234 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11235 if(engineMnemonic[i]) free(engineMnemonic[i]);
11236 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11238 sscanf(q + 8, "%s", buf + strlen(buf));
11241 engineMnemonic[i] = strdup(buf);
11244 engineList[i] = engineMnemonic[i] = NULL;
11248 // following implemented as macro to avoid type limitations
11249 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11252 SwapEngines (int n)
11253 { // swap settings for first engine and other engine (so far only some selected options)
11258 SWAP(chessProgram, p)
11260 SWAP(hasOwnBookUCI, h)
11261 SWAP(protocolVersion, h)
11263 SWAP(scoreIsAbsolute, h)
11268 SWAP(engOptions, p)
11269 SWAP(engInitString, p)
11270 SWAP(computerString, p)
11272 SWAP(fenOverride, p)
11274 SWAP(accumulateTC, h)
11281 GetEngineLine (char *s, int n)
11285 extern char *icsNames;
11286 if(!s || !*s) return 0;
11287 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11288 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11289 if(!mnemonic[i]) return 0;
11290 if(n == 11) return 1; // just testing if there was a match
11291 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11292 if(n == 1) SwapEngines(n);
11293 ParseArgsFromString(buf);
11294 if(n == 1) SwapEngines(n);
11295 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11296 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11297 ParseArgsFromString(buf);
11303 SetPlayer (int player, char *p)
11304 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11306 char buf[MSG_SIZ], *engineName;
11307 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11308 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11309 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11311 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11312 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11313 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11314 ParseArgsFromString(buf);
11315 } else { // no engine with this nickname is installed!
11316 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11317 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11318 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11320 DisplayError(buf, 0);
11327 char *recentEngines;
11330 RecentEngineEvent (int nr)
11333 // SwapEngines(1); // bump first to second
11334 // ReplaceEngine(&second, 1); // and load it there
11335 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11336 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11337 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11338 ReplaceEngine(&first, 0);
11339 FloatToFront(&appData.recentEngineList, command[n]);
11344 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11345 { // determine players from game number
11346 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11348 if(appData.tourneyType == 0) {
11349 roundsPerCycle = (nPlayers - 1) | 1;
11350 pairingsPerRound = nPlayers / 2;
11351 } else if(appData.tourneyType > 0) {
11352 roundsPerCycle = nPlayers - appData.tourneyType;
11353 pairingsPerRound = appData.tourneyType;
11355 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11356 gamesPerCycle = gamesPerRound * roundsPerCycle;
11357 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11358 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11359 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11360 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11361 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11362 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11364 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11365 if(appData.roundSync) *syncInterval = gamesPerRound;
11367 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11369 if(appData.tourneyType == 0) {
11370 if(curPairing == (nPlayers-1)/2 ) {
11371 *whitePlayer = curRound;
11372 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11374 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11375 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11376 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11377 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11379 } else if(appData.tourneyType > 1) {
11380 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11381 *whitePlayer = curRound + appData.tourneyType;
11382 } else if(appData.tourneyType > 0) {
11383 *whitePlayer = curPairing;
11384 *blackPlayer = curRound + appData.tourneyType;
11387 // take care of white/black alternation per round.
11388 // For cycles and games this is already taken care of by default, derived from matchGame!
11389 return curRound & 1;
11393 NextTourneyGame (int nr, int *swapColors)
11394 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11396 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11398 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11399 tf = fopen(appData.tourneyFile, "r");
11400 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11401 ParseArgsFromFile(tf); fclose(tf);
11402 InitTimeControls(); // TC might be altered from tourney file
11404 nPlayers = CountPlayers(appData.participants); // count participants
11405 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11406 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11409 p = q = appData.results;
11410 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11411 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11412 DisplayMessage(_("Waiting for other game(s)"),"");
11413 waitingForGame = TRUE;
11414 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11417 waitingForGame = FALSE;
11420 if(appData.tourneyType < 0) {
11421 if(nr>=0 && !pairingReceived) {
11423 if(pairing.pr == NoProc) {
11424 if(!appData.pairingEngine[0]) {
11425 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11428 StartChessProgram(&pairing); // starts the pairing engine
11430 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11431 SendToProgram(buf, &pairing);
11432 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11433 SendToProgram(buf, &pairing);
11434 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11436 pairingReceived = 0; // ... so we continue here
11438 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11439 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11440 matchGame = 1; roundNr = nr / syncInterval + 1;
11443 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11445 // redefine engines, engine dir, etc.
11446 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11447 if(first.pr == NoProc) {
11448 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11449 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11451 if(second.pr == NoProc) {
11453 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11454 SwapEngines(1); // and make that valid for second engine by swapping
11455 InitEngine(&second, 1);
11457 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11458 UpdateLogos(FALSE); // leave display to ModeHiglight()
11464 { // performs game initialization that does not invoke engines, and then tries to start the game
11465 int res, firstWhite, swapColors = 0;
11466 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11467 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
11469 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11470 if(strcmp(buf, currentDebugFile)) { // name has changed
11471 FILE *f = fopen(buf, "w");
11472 if(f) { // if opening the new file failed, just keep using the old one
11473 ASSIGN(currentDebugFile, buf);
11477 if(appData.serverFileName) {
11478 if(serverFP) fclose(serverFP);
11479 serverFP = fopen(appData.serverFileName, "w");
11480 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11481 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11485 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11486 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11487 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11488 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11489 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11490 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11491 Reset(FALSE, first.pr != NoProc);
11492 res = LoadGameOrPosition(matchGame); // setup game
11493 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11494 if(!res) return; // abort when bad game/pos file
11495 if(appData.epd) {// in EPD mode we make sure first engine is to move
11496 firstWhite = !(forwardMostMove & 1);
11497 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11498 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11500 TwoMachinesEvent();
11504 UserAdjudicationEvent (int result)
11506 ChessMove gameResult = GameIsDrawn;
11509 gameResult = WhiteWins;
11511 else if( result < 0 ) {
11512 gameResult = BlackWins;
11515 if( gameMode == TwoMachinesPlay ) {
11516 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11521 // [HGM] save: calculate checksum of game to make games easily identifiable
11523 StringCheckSum (char *s)
11526 if(s==NULL) return 0;
11527 while(*s) i = i*259 + *s++;
11535 for(i=backwardMostMove; i<forwardMostMove; i++) {
11536 sum += pvInfoList[i].depth;
11537 sum += StringCheckSum(parseList[i]);
11538 sum += StringCheckSum(commentList[i]);
11541 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11542 return sum + StringCheckSum(commentList[i]);
11543 } // end of save patch
11546 GameEnds (ChessMove result, char *resultDetails, int whosays)
11548 GameMode nextGameMode;
11550 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11552 if(endingGame) return; /* [HGM] crash: forbid recursion */
11554 if(twoBoards) { // [HGM] dual: switch back to one board
11555 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11556 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11558 if (appData.debugMode) {
11559 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11560 result, resultDetails ? resultDetails : "(null)", whosays);
11563 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11565 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11567 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11568 /* If we are playing on ICS, the server decides when the
11569 game is over, but the engine can offer to draw, claim
11573 if (appData.zippyPlay && first.initDone) {
11574 if (result == GameIsDrawn) {
11575 /* In case draw still needs to be claimed */
11576 SendToICS(ics_prefix);
11577 SendToICS("draw\n");
11578 } else if (StrCaseStr(resultDetails, "resign")) {
11579 SendToICS(ics_prefix);
11580 SendToICS("resign\n");
11584 endingGame = 0; /* [HGM] crash */
11588 /* If we're loading the game from a file, stop */
11589 if (whosays == GE_FILE) {
11590 (void) StopLoadGameTimer();
11594 /* Cancel draw offers */
11595 first.offeredDraw = second.offeredDraw = 0;
11597 /* If this is an ICS game, only ICS can really say it's done;
11598 if not, anyone can. */
11599 isIcsGame = (gameMode == IcsPlayingWhite ||
11600 gameMode == IcsPlayingBlack ||
11601 gameMode == IcsObserving ||
11602 gameMode == IcsExamining);
11604 if (!isIcsGame || whosays == GE_ICS) {
11605 /* OK -- not an ICS game, or ICS said it was done */
11607 if (!isIcsGame && !appData.noChessProgram)
11608 SetUserThinkingEnables();
11610 /* [HGM] if a machine claims the game end we verify this claim */
11611 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11612 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11614 ChessMove trueResult = (ChessMove) -1;
11616 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11617 first.twoMachinesColor[0] :
11618 second.twoMachinesColor[0] ;
11620 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11621 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11622 /* [HGM] verify: engine mate claims accepted if they were flagged */
11623 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11625 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11626 /* [HGM] verify: engine mate claims accepted if they were flagged */
11627 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11629 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11630 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11633 // now verify win claims, but not in drop games, as we don't understand those yet
11634 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11635 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11636 (result == WhiteWins && claimer == 'w' ||
11637 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11638 if (appData.debugMode) {
11639 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11640 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11642 if(result != trueResult) {
11643 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11644 result = claimer == 'w' ? BlackWins : WhiteWins;
11645 resultDetails = buf;
11648 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11649 && (forwardMostMove <= backwardMostMove ||
11650 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11651 (claimer=='b')==(forwardMostMove&1))
11653 /* [HGM] verify: draws that were not flagged are false claims */
11654 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11655 result = claimer == 'w' ? BlackWins : WhiteWins;
11656 resultDetails = buf;
11658 /* (Claiming a loss is accepted no questions asked!) */
11659 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11660 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11661 result = GameUnfinished;
11662 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11664 /* [HGM] bare: don't allow bare King to win */
11665 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11666 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11667 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11668 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11669 && result != GameIsDrawn)
11670 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11671 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11672 int p = (signed char)boards[forwardMostMove][i][j] - color;
11673 if(p >= 0 && p <= (int)WhiteKing) k++;
11674 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11676 if (appData.debugMode) {
11677 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11678 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11680 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11681 result = GameIsDrawn;
11682 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11683 resultDetails = buf;
11689 if(serverMoves != NULL && !loadFlag) { char c = '=';
11690 if(result==WhiteWins) c = '+';
11691 if(result==BlackWins) c = '-';
11692 if(resultDetails != NULL)
11693 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11695 if (resultDetails != NULL) {
11696 gameInfo.result = result;
11697 gameInfo.resultDetails = StrSave(resultDetails);
11699 /* display last move only if game was not loaded from file */
11700 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11701 DisplayMove(currentMove - 1);
11703 if (forwardMostMove != 0) {
11704 if (gameMode != PlayFromGameFile && gameMode != EditGame
11705 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11707 if (*appData.saveGameFile != NULLCHAR) {
11708 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11709 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11711 SaveGameToFile(appData.saveGameFile, TRUE);
11712 } else if (appData.autoSaveGames) {
11713 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11715 if (*appData.savePositionFile != NULLCHAR) {
11716 SavePositionToFile(appData.savePositionFile);
11718 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11722 /* Tell program how game ended in case it is learning */
11723 /* [HGM] Moved this to after saving the PGN, just in case */
11724 /* engine died and we got here through time loss. In that */
11725 /* case we will get a fatal error writing the pipe, which */
11726 /* would otherwise lose us the PGN. */
11727 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11728 /* output during GameEnds should never be fatal anymore */
11729 if (gameMode == MachinePlaysWhite ||
11730 gameMode == MachinePlaysBlack ||
11731 gameMode == TwoMachinesPlay ||
11732 gameMode == IcsPlayingWhite ||
11733 gameMode == IcsPlayingBlack ||
11734 gameMode == BeginningOfGame) {
11736 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11738 if (first.pr != NoProc) {
11739 SendToProgram(buf, &first);
11741 if (second.pr != NoProc &&
11742 gameMode == TwoMachinesPlay) {
11743 SendToProgram(buf, &second);
11748 if (appData.icsActive) {
11749 if (appData.quietPlay &&
11750 (gameMode == IcsPlayingWhite ||
11751 gameMode == IcsPlayingBlack)) {
11752 SendToICS(ics_prefix);
11753 SendToICS("set shout 1\n");
11755 nextGameMode = IcsIdle;
11756 ics_user_moved = FALSE;
11757 /* clean up premove. It's ugly when the game has ended and the
11758 * premove highlights are still on the board.
11761 gotPremove = FALSE;
11762 ClearPremoveHighlights();
11763 DrawPosition(FALSE, boards[currentMove]);
11765 if (whosays == GE_ICS) {
11768 if (gameMode == IcsPlayingWhite)
11770 else if(gameMode == IcsPlayingBlack)
11771 PlayIcsLossSound();
11774 if (gameMode == IcsPlayingBlack)
11776 else if(gameMode == IcsPlayingWhite)
11777 PlayIcsLossSound();
11780 PlayIcsDrawSound();
11783 PlayIcsUnfinishedSound();
11786 if(appData.quitNext) { ExitEvent(0); return; }
11787 } else if (gameMode == EditGame ||
11788 gameMode == PlayFromGameFile ||
11789 gameMode == AnalyzeMode ||
11790 gameMode == AnalyzeFile) {
11791 nextGameMode = gameMode;
11793 nextGameMode = EndOfGame;
11798 nextGameMode = gameMode;
11801 if (appData.noChessProgram) {
11802 gameMode = nextGameMode;
11804 endingGame = 0; /* [HGM] crash */
11809 /* Put first chess program into idle state */
11810 if (first.pr != NoProc &&
11811 (gameMode == MachinePlaysWhite ||
11812 gameMode == MachinePlaysBlack ||
11813 gameMode == TwoMachinesPlay ||
11814 gameMode == IcsPlayingWhite ||
11815 gameMode == IcsPlayingBlack ||
11816 gameMode == BeginningOfGame)) {
11817 SendToProgram("force\n", &first);
11818 if (first.usePing) {
11820 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11821 SendToProgram(buf, &first);
11824 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11825 /* Kill off first chess program */
11826 if (first.isr != NULL)
11827 RemoveInputSource(first.isr);
11830 if (first.pr != NoProc) {
11832 DoSleep( appData.delayBeforeQuit );
11833 SendToProgram("quit\n", &first);
11834 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11835 first.reload = TRUE;
11839 if (second.reuse) {
11840 /* Put second chess program into idle state */
11841 if (second.pr != NoProc &&
11842 gameMode == TwoMachinesPlay) {
11843 SendToProgram("force\n", &second);
11844 if (second.usePing) {
11846 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11847 SendToProgram(buf, &second);
11850 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11851 /* Kill off second chess program */
11852 if (second.isr != NULL)
11853 RemoveInputSource(second.isr);
11856 if (second.pr != NoProc) {
11857 DoSleep( appData.delayBeforeQuit );
11858 SendToProgram("quit\n", &second);
11859 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11860 second.reload = TRUE;
11862 second.pr = NoProc;
11865 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11866 char resChar = '=';
11870 if (first.twoMachinesColor[0] == 'w') {
11873 second.matchWins++;
11878 if (first.twoMachinesColor[0] == 'b') {
11881 second.matchWins++;
11884 case GameUnfinished:
11890 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11891 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11892 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11893 ReserveGame(nextGame, resChar); // sets nextGame
11894 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11895 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11896 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11898 if (nextGame <= appData.matchGames && !abortMatch) {
11899 gameMode = nextGameMode;
11900 matchGame = nextGame; // this will be overruled in tourney mode!
11901 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11902 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11903 endingGame = 0; /* [HGM] crash */
11906 gameMode = nextGameMode;
11908 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
11909 OutputKibitz(2, buf);
11910 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
11911 OutputKibitz(2, buf);
11912 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
11913 if(second.matchWins) OutputKibitz(2, buf);
11914 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
11915 OutputKibitz(2, buf);
11917 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11918 first.tidy, second.tidy,
11919 first.matchWins, second.matchWins,
11920 appData.matchGames - (first.matchWins + second.matchWins));
11921 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11922 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11923 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11924 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11925 first.twoMachinesColor = "black\n";
11926 second.twoMachinesColor = "white\n";
11928 first.twoMachinesColor = "white\n";
11929 second.twoMachinesColor = "black\n";
11933 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11934 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11936 gameMode = nextGameMode;
11938 endingGame = 0; /* [HGM] crash */
11939 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11940 if(matchMode == TRUE) { // match through command line: exit with or without popup
11942 ToNrEvent(forwardMostMove);
11943 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11945 } else DisplayFatalError(buf, 0, 0);
11946 } else { // match through menu; just stop, with or without popup
11947 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11950 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11951 } else DisplayNote(buf);
11953 if(ranking) free(ranking);
11957 /* Assumes program was just initialized (initString sent).
11958 Leaves program in force mode. */
11960 FeedMovesToProgram (ChessProgramState *cps, int upto)
11964 if (appData.debugMode)
11965 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11966 startedFromSetupPosition ? "position and " : "",
11967 backwardMostMove, upto, cps->which);
11968 if(currentlyInitializedVariant != gameInfo.variant) {
11970 // [HGM] variantswitch: make engine aware of new variant
11971 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11972 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11973 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11974 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11975 SendToProgram(buf, cps);
11976 currentlyInitializedVariant = gameInfo.variant;
11978 SendToProgram("force\n", cps);
11979 if (startedFromSetupPosition) {
11980 SendBoard(cps, backwardMostMove);
11981 if (appData.debugMode) {
11982 fprintf(debugFP, "feedMoves\n");
11985 for (i = backwardMostMove; i < upto; i++) {
11986 SendMoveToProgram(i, cps);
11992 ResurrectChessProgram ()
11994 /* The chess program may have exited.
11995 If so, restart it and feed it all the moves made so far. */
11996 static int doInit = 0;
11998 if (appData.noChessProgram) return 1;
12000 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12001 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12002 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12003 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12005 if (first.pr != NoProc) return 1;
12006 StartChessProgram(&first);
12008 InitChessProgram(&first, FALSE);
12009 FeedMovesToProgram(&first, currentMove);
12011 if (!first.sendTime) {
12012 /* can't tell gnuchess what its clock should read,
12013 so we bow to its notion. */
12015 timeRemaining[0][currentMove] = whiteTimeRemaining;
12016 timeRemaining[1][currentMove] = blackTimeRemaining;
12019 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12020 appData.icsEngineAnalyze) && first.analysisSupport) {
12021 SendToProgram("analyze\n", &first);
12022 first.analyzing = TRUE;
12028 * Button procedures
12031 Reset (int redraw, int init)
12035 if (appData.debugMode) {
12036 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12037 redraw, init, gameMode);
12039 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12040 deadRanks = 0; // assume entire board is used
12041 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12042 CleanupTail(); // [HGM] vari: delete any stored variations
12043 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12044 pausing = pauseExamInvalid = FALSE;
12045 startedFromSetupPosition = blackPlaysFirst = FALSE;
12047 whiteFlag = blackFlag = FALSE;
12048 userOfferedDraw = FALSE;
12049 hintRequested = bookRequested = FALSE;
12050 first.maybeThinking = FALSE;
12051 second.maybeThinking = FALSE;
12052 first.bookSuspend = FALSE; // [HGM] book
12053 second.bookSuspend = FALSE;
12054 thinkOutput[0] = NULLCHAR;
12055 lastHint[0] = NULLCHAR;
12056 ClearGameInfo(&gameInfo);
12057 gameInfo.variant = StringToVariant(appData.variant);
12058 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12059 gameInfo.variant = VariantUnknown;
12060 strncpy(engineVariant, appData.variant, MSG_SIZ);
12062 ics_user_moved = ics_clock_paused = FALSE;
12063 ics_getting_history = H_FALSE;
12065 white_holding[0] = black_holding[0] = NULLCHAR;
12066 ClearProgramStats();
12067 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12071 flipView = appData.flipView;
12072 ClearPremoveHighlights();
12073 gotPremove = FALSE;
12074 alarmSounded = FALSE;
12075 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12077 GameEnds(EndOfFile, NULL, GE_PLAYER);
12078 if(appData.serverMovesName != NULL) {
12079 /* [HGM] prepare to make moves file for broadcasting */
12080 clock_t t = clock();
12081 if(serverMoves != NULL) fclose(serverMoves);
12082 serverMoves = fopen(appData.serverMovesName, "r");
12083 if(serverMoves != NULL) {
12084 fclose(serverMoves);
12085 /* delay 15 sec before overwriting, so all clients can see end */
12086 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12088 serverMoves = fopen(appData.serverMovesName, "w");
12092 gameMode = BeginningOfGame;
12094 if(appData.icsActive) gameInfo.variant = VariantNormal;
12095 currentMove = forwardMostMove = backwardMostMove = 0;
12096 MarkTargetSquares(1);
12097 InitPosition(redraw);
12098 for (i = 0; i < MAX_MOVES; i++) {
12099 if (commentList[i] != NULL) {
12100 free(commentList[i]);
12101 commentList[i] = NULL;
12105 timeRemaining[0][0] = whiteTimeRemaining;
12106 timeRemaining[1][0] = blackTimeRemaining;
12108 if (first.pr == NoProc) {
12109 StartChessProgram(&first);
12112 InitChessProgram(&first, startedFromSetupPosition);
12115 DisplayMessage("", "");
12116 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12117 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12118 ClearMap(); // [HGM] exclude: invalidate map
12122 AutoPlayGameLoop ()
12125 if (!AutoPlayOneMove())
12127 if (matchMode || appData.timeDelay == 0)
12129 if (appData.timeDelay < 0)
12131 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12139 ReloadGame(1); // next game
12145 int fromX, fromY, toX, toY;
12147 if (appData.debugMode) {
12148 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12151 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12154 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12155 pvInfoList[currentMove].depth = programStats.depth;
12156 pvInfoList[currentMove].score = programStats.score;
12157 pvInfoList[currentMove].time = 0;
12158 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12159 else { // append analysis of final position as comment
12161 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12162 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12164 programStats.depth = 0;
12167 if (currentMove >= forwardMostMove) {
12168 if(gameMode == AnalyzeFile) {
12169 if(appData.loadGameIndex == -1) {
12170 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12171 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12173 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12176 // gameMode = EndOfGame;
12177 // ModeHighlight();
12179 /* [AS] Clear current move marker at the end of a game */
12180 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12185 toX = moveList[currentMove][2] - AAA;
12186 toY = moveList[currentMove][3] - ONE;
12188 if (moveList[currentMove][1] == '@') {
12189 if (appData.highlightLastMove) {
12190 SetHighlights(-1, -1, toX, toY);
12193 fromX = moveList[currentMove][0] - AAA;
12194 fromY = moveList[currentMove][1] - ONE;
12196 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12198 if(moveList[currentMove][4] == ';') { // multi-leg
12199 killX = moveList[currentMove][5] - AAA;
12200 killY = moveList[currentMove][6] - ONE;
12202 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12203 killX = killY = -1;
12205 if (appData.highlightLastMove) {
12206 SetHighlights(fromX, fromY, toX, toY);
12209 DisplayMove(currentMove);
12210 SendMoveToProgram(currentMove++, &first);
12211 DisplayBothClocks();
12212 DrawPosition(FALSE, boards[currentMove]);
12213 // [HGM] PV info: always display, routine tests if empty
12214 DisplayComment(currentMove - 1, commentList[currentMove]);
12220 LoadGameOneMove (ChessMove readAhead)
12222 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12223 char promoChar = NULLCHAR;
12224 ChessMove moveType;
12225 char move[MSG_SIZ];
12228 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12229 gameMode != AnalyzeMode && gameMode != Training) {
12234 yyboardindex = forwardMostMove;
12235 if (readAhead != EndOfFile) {
12236 moveType = readAhead;
12238 if (gameFileFP == NULL)
12240 moveType = (ChessMove) Myylex();
12244 switch (moveType) {
12246 if (appData.debugMode)
12247 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12250 /* append the comment but don't display it */
12251 AppendComment(currentMove, p, FALSE);
12254 case WhiteCapturesEnPassant:
12255 case BlackCapturesEnPassant:
12256 case WhitePromotion:
12257 case BlackPromotion:
12258 case WhiteNonPromotion:
12259 case BlackNonPromotion:
12262 case WhiteKingSideCastle:
12263 case WhiteQueenSideCastle:
12264 case BlackKingSideCastle:
12265 case BlackQueenSideCastle:
12266 case WhiteKingSideCastleWild:
12267 case WhiteQueenSideCastleWild:
12268 case BlackKingSideCastleWild:
12269 case BlackQueenSideCastleWild:
12271 case WhiteHSideCastleFR:
12272 case WhiteASideCastleFR:
12273 case BlackHSideCastleFR:
12274 case BlackASideCastleFR:
12276 if (appData.debugMode)
12277 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12278 fromX = currentMoveString[0] - AAA;
12279 fromY = currentMoveString[1] - ONE;
12280 toX = currentMoveString[2] - AAA;
12281 toY = currentMoveString[3] - ONE;
12282 promoChar = currentMoveString[4];
12283 if(promoChar == ';') promoChar = currentMoveString[7];
12288 if (appData.debugMode)
12289 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12290 fromX = moveType == WhiteDrop ?
12291 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12292 (int) CharToPiece(ToLower(currentMoveString[0]));
12294 toX = currentMoveString[2] - AAA;
12295 toY = currentMoveString[3] - ONE;
12301 case GameUnfinished:
12302 if (appData.debugMode)
12303 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12304 p = strchr(yy_text, '{');
12305 if (p == NULL) p = strchr(yy_text, '(');
12308 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12310 q = strchr(p, *p == '{' ? '}' : ')');
12311 if (q != NULL) *q = NULLCHAR;
12314 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12315 GameEnds(moveType, p, GE_FILE);
12317 if (cmailMsgLoaded) {
12319 flipView = WhiteOnMove(currentMove);
12320 if (moveType == GameUnfinished) flipView = !flipView;
12321 if (appData.debugMode)
12322 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12327 if (appData.debugMode)
12328 fprintf(debugFP, "Parser hit end of file\n");
12329 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12335 if (WhiteOnMove(currentMove)) {
12336 GameEnds(BlackWins, "Black mates", GE_FILE);
12338 GameEnds(WhiteWins, "White mates", GE_FILE);
12342 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12348 case MoveNumberOne:
12349 if (lastLoadGameStart == GNUChessGame) {
12350 /* GNUChessGames have numbers, but they aren't move numbers */
12351 if (appData.debugMode)
12352 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12353 yy_text, (int) moveType);
12354 return LoadGameOneMove(EndOfFile); /* tail recursion */
12356 /* else fall thru */
12361 /* Reached start of next game in file */
12362 if (appData.debugMode)
12363 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12364 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12370 if (WhiteOnMove(currentMove)) {
12371 GameEnds(BlackWins, "Black mates", GE_FILE);
12373 GameEnds(WhiteWins, "White mates", GE_FILE);
12377 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12383 case PositionDiagram: /* should not happen; ignore */
12384 case ElapsedTime: /* ignore */
12385 case NAG: /* ignore */
12386 if (appData.debugMode)
12387 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12388 yy_text, (int) moveType);
12389 return LoadGameOneMove(EndOfFile); /* tail recursion */
12392 if (appData.testLegality) {
12393 if (appData.debugMode)
12394 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12395 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12396 (forwardMostMove / 2) + 1,
12397 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12398 DisplayError(move, 0);
12401 if (appData.debugMode)
12402 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12403 yy_text, currentMoveString);
12404 if(currentMoveString[1] == '@') {
12405 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12408 fromX = currentMoveString[0] - AAA;
12409 fromY = currentMoveString[1] - ONE;
12411 toX = currentMoveString[2] - AAA;
12412 toY = currentMoveString[3] - ONE;
12413 promoChar = currentMoveString[4];
12417 case AmbiguousMove:
12418 if (appData.debugMode)
12419 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12420 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12421 (forwardMostMove / 2) + 1,
12422 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12423 DisplayError(move, 0);
12428 case ImpossibleMove:
12429 if (appData.debugMode)
12430 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12431 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12432 (forwardMostMove / 2) + 1,
12433 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12434 DisplayError(move, 0);
12440 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12441 DrawPosition(FALSE, boards[currentMove]);
12442 DisplayBothClocks();
12443 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12444 DisplayComment(currentMove - 1, commentList[currentMove]);
12446 (void) StopLoadGameTimer();
12448 cmailOldMove = forwardMostMove;
12451 /* currentMoveString is set as a side-effect of yylex */
12453 thinkOutput[0] = NULLCHAR;
12454 MakeMove(fromX, fromY, toX, toY, promoChar);
12455 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12456 currentMove = forwardMostMove;
12461 /* Load the nth game from the given file */
12463 LoadGameFromFile (char *filename, int n, char *title, int useList)
12468 if (strcmp(filename, "-") == 0) {
12472 f = fopen(filename, "rb");
12474 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12475 DisplayError(buf, errno);
12479 if (fseek(f, 0, 0) == -1) {
12480 /* f is not seekable; probably a pipe */
12483 if (useList && n == 0) {
12484 int error = GameListBuild(f);
12486 DisplayError(_("Cannot build game list"), error);
12487 } else if (!ListEmpty(&gameList) &&
12488 ((ListGame *) gameList.tailPred)->number > 1) {
12489 GameListPopUp(f, title);
12496 return LoadGame(f, n, title, FALSE);
12501 MakeRegisteredMove ()
12503 int fromX, fromY, toX, toY;
12505 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12506 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12509 if (appData.debugMode)
12510 fprintf(debugFP, "Restoring %s for game %d\n",
12511 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12513 thinkOutput[0] = NULLCHAR;
12514 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12515 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12516 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12517 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12518 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12519 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12520 MakeMove(fromX, fromY, toX, toY, promoChar);
12521 ShowMove(fromX, fromY, toX, toY);
12523 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12530 if (WhiteOnMove(currentMove)) {
12531 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12533 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12538 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12545 if (WhiteOnMove(currentMove)) {
12546 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12548 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12553 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12564 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12566 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12570 if (gameNumber > nCmailGames) {
12571 DisplayError(_("No more games in this message"), 0);
12574 if (f == lastLoadGameFP) {
12575 int offset = gameNumber - lastLoadGameNumber;
12577 cmailMsg[0] = NULLCHAR;
12578 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12579 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12580 nCmailMovesRegistered--;
12582 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12583 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12584 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12587 if (! RegisterMove()) return FALSE;
12591 retVal = LoadGame(f, gameNumber, title, useList);
12593 /* Make move registered during previous look at this game, if any */
12594 MakeRegisteredMove();
12596 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12597 commentList[currentMove]
12598 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12599 DisplayComment(currentMove - 1, commentList[currentMove]);
12605 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12607 ReloadGame (int offset)
12609 int gameNumber = lastLoadGameNumber + offset;
12610 if (lastLoadGameFP == NULL) {
12611 DisplayError(_("No game has been loaded yet"), 0);
12614 if (gameNumber <= 0) {
12615 DisplayError(_("Can't back up any further"), 0);
12618 if (cmailMsgLoaded) {
12619 return CmailLoadGame(lastLoadGameFP, gameNumber,
12620 lastLoadGameTitle, lastLoadGameUseList);
12622 return LoadGame(lastLoadGameFP, gameNumber,
12623 lastLoadGameTitle, lastLoadGameUseList);
12627 int keys[EmptySquare+1];
12630 PositionMatches (Board b1, Board b2)
12633 switch(appData.searchMode) {
12634 case 1: return CompareWithRights(b1, b2);
12636 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12637 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12641 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12642 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12643 sum += keys[b1[r][f]] - keys[b2[r][f]];
12647 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12648 sum += keys[b1[r][f]] - keys[b2[r][f]];
12660 int pieceList[256], quickBoard[256];
12661 ChessSquare pieceType[256] = { EmptySquare };
12662 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12663 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12664 int soughtTotal, turn;
12665 Boolean epOK, flipSearch;
12668 unsigned char piece, to;
12671 #define DSIZE (250000)
12673 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12674 Move *moveDatabase = initialSpace;
12675 unsigned int movePtr, dataSize = DSIZE;
12678 MakePieceList (Board board, int *counts)
12680 int r, f, n=Q_PROMO, total=0;
12681 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12682 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12683 int sq = f + (r<<4);
12684 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12685 quickBoard[sq] = ++n;
12687 pieceType[n] = board[r][f];
12688 counts[board[r][f]]++;
12689 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12690 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12694 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12699 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12701 int sq = fromX + (fromY<<4);
12702 int piece = quickBoard[sq], rook;
12703 quickBoard[sq] = 0;
12704 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12705 if(piece == pieceList[1] && fromY == toY) {
12706 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12707 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12708 moveDatabase[movePtr++].piece = Q_WCASTL;
12709 quickBoard[sq] = piece;
12710 piece = quickBoard[from]; quickBoard[from] = 0;
12711 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12712 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12713 quickBoard[sq] = 0; // remove Rook
12714 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12715 moveDatabase[movePtr++].piece = Q_WCASTL;
12716 quickBoard[sq] = pieceList[1]; // put King
12718 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12721 if(piece == pieceList[2] && fromY == toY) {
12722 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12723 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12724 moveDatabase[movePtr++].piece = Q_BCASTL;
12725 quickBoard[sq] = piece;
12726 piece = quickBoard[from]; quickBoard[from] = 0;
12727 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12728 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12729 quickBoard[sq] = 0; // remove Rook
12730 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12731 moveDatabase[movePtr++].piece = Q_BCASTL;
12732 quickBoard[sq] = pieceList[2]; // put King
12734 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12737 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12738 quickBoard[(fromY<<4)+toX] = 0;
12739 moveDatabase[movePtr].piece = Q_EP;
12740 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12741 moveDatabase[movePtr].to = sq;
12743 if(promoPiece != pieceType[piece]) {
12744 moveDatabase[movePtr++].piece = Q_PROMO;
12745 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12747 moveDatabase[movePtr].piece = piece;
12748 quickBoard[sq] = piece;
12753 PackGame (Board board)
12755 Move *newSpace = NULL;
12756 moveDatabase[movePtr].piece = 0; // terminate previous game
12757 if(movePtr > dataSize) {
12758 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12759 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12760 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12763 Move *p = moveDatabase, *q = newSpace;
12764 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12765 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12766 moveDatabase = newSpace;
12767 } else { // calloc failed, we must be out of memory. Too bad...
12768 dataSize = 0; // prevent calloc events for all subsequent games
12769 return 0; // and signal this one isn't cached
12773 MakePieceList(board, counts);
12778 QuickCompare (Board board, int *minCounts, int *maxCounts)
12779 { // compare according to search mode
12781 switch(appData.searchMode)
12783 case 1: // exact position match
12784 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12785 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12786 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12789 case 2: // can have extra material on empty squares
12790 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12791 if(board[r][f] == EmptySquare) continue;
12792 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12795 case 3: // material with exact Pawn structure
12796 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12797 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12798 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12799 } // fall through to material comparison
12800 case 4: // exact material
12801 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12803 case 6: // material range with given imbalance
12804 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12805 // fall through to range comparison
12806 case 5: // material range
12807 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12813 QuickScan (Board board, Move *move)
12814 { // reconstruct game,and compare all positions in it
12815 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12817 int piece = move->piece;
12818 int to = move->to, from = pieceList[piece];
12819 if(found < 0) { // if already found just scan to game end for final piece count
12820 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12821 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12822 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12823 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12825 static int lastCounts[EmptySquare+1];
12827 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12828 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12829 } else stretch = 0;
12830 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12831 if(found >= 0 && !appData.minPieces) return found;
12833 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12834 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12835 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12836 piece = (++move)->piece;
12837 from = pieceList[piece];
12838 counts[pieceType[piece]]--;
12839 pieceType[piece] = (ChessSquare) move->to;
12840 counts[move->to]++;
12841 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12842 counts[pieceType[quickBoard[to]]]--;
12843 quickBoard[to] = 0; total--;
12846 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12847 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12848 from = pieceList[piece]; // so this must be King
12849 quickBoard[from] = 0;
12850 pieceList[piece] = to;
12851 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12852 quickBoard[from] = 0; // rook
12853 quickBoard[to] = piece;
12854 to = move->to; piece = move->piece;
12858 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12859 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12860 quickBoard[from] = 0;
12862 quickBoard[to] = piece;
12863 pieceList[piece] = to;
12873 flipSearch = FALSE;
12874 CopyBoard(soughtBoard, boards[currentMove]);
12875 soughtTotal = MakePieceList(soughtBoard, maxSought);
12876 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12877 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12878 CopyBoard(reverseBoard, boards[currentMove]);
12879 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12880 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12881 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12882 reverseBoard[r][f] = piece;
12884 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12885 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12886 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12887 || (boards[currentMove][CASTLING][2] == NoRights ||
12888 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12889 && (boards[currentMove][CASTLING][5] == NoRights ||
12890 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12893 CopyBoard(flipBoard, soughtBoard);
12894 CopyBoard(rotateBoard, reverseBoard);
12895 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12896 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12897 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12900 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12901 if(appData.searchMode >= 5) {
12902 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12903 MakePieceList(soughtBoard, minSought);
12904 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12906 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12907 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12910 GameInfo dummyInfo;
12911 static int creatingBook;
12914 GameContainsPosition (FILE *f, ListGame *lg)
12916 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12917 int fromX, fromY, toX, toY;
12919 static int initDone=FALSE;
12921 // weed out games based on numerical tag comparison
12922 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12923 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12924 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12925 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12927 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12930 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12931 else CopyBoard(boards[scratch], initialPosition); // default start position
12934 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12935 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12938 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12939 fseek(f, lg->offset, 0);
12942 yyboardindex = scratch;
12943 quickFlag = plyNr+1;
12948 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12954 if(plyNr) return -1; // after we have seen moves, this is for new game
12957 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12958 case ImpossibleMove:
12959 case WhiteWins: // game ends here with these four
12962 case GameUnfinished:
12966 if(appData.testLegality) return -1;
12967 case WhiteCapturesEnPassant:
12968 case BlackCapturesEnPassant:
12969 case WhitePromotion:
12970 case BlackPromotion:
12971 case WhiteNonPromotion:
12972 case BlackNonPromotion:
12975 case WhiteKingSideCastle:
12976 case WhiteQueenSideCastle:
12977 case BlackKingSideCastle:
12978 case BlackQueenSideCastle:
12979 case WhiteKingSideCastleWild:
12980 case WhiteQueenSideCastleWild:
12981 case BlackKingSideCastleWild:
12982 case BlackQueenSideCastleWild:
12983 case WhiteHSideCastleFR:
12984 case WhiteASideCastleFR:
12985 case BlackHSideCastleFR:
12986 case BlackASideCastleFR:
12987 fromX = currentMoveString[0] - AAA;
12988 fromY = currentMoveString[1] - ONE;
12989 toX = currentMoveString[2] - AAA;
12990 toY = currentMoveString[3] - ONE;
12991 promoChar = currentMoveString[4];
12995 fromX = next == WhiteDrop ?
12996 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12997 (int) CharToPiece(ToLower(currentMoveString[0]));
12999 toX = currentMoveString[2] - AAA;
13000 toY = currentMoveString[3] - ONE;
13004 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13006 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13007 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13008 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13009 if(appData.findMirror) {
13010 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13011 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13016 /* Load the nth game from open file f */
13018 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13022 int gn = gameNumber;
13023 ListGame *lg = NULL;
13024 int numPGNTags = 0, i;
13026 GameMode oldGameMode;
13027 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13028 char oldName[MSG_SIZ];
13030 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13032 if (appData.debugMode)
13033 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13035 if (gameMode == Training )
13036 SetTrainingModeOff();
13038 oldGameMode = gameMode;
13039 if (gameMode != BeginningOfGame) {
13040 Reset(FALSE, TRUE);
13042 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13045 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13046 fclose(lastLoadGameFP);
13050 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13053 fseek(f, lg->offset, 0);
13054 GameListHighlight(gameNumber);
13055 pos = lg->position;
13059 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13060 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13062 DisplayError(_("Game number out of range"), 0);
13067 if (fseek(f, 0, 0) == -1) {
13068 if (f == lastLoadGameFP ?
13069 gameNumber == lastLoadGameNumber + 1 :
13073 DisplayError(_("Can't seek on game file"), 0);
13078 lastLoadGameFP = f;
13079 lastLoadGameNumber = gameNumber;
13080 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13081 lastLoadGameUseList = useList;
13085 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13086 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13087 lg->gameInfo.black);
13089 } else if (*title != NULLCHAR) {
13090 if (gameNumber > 1) {
13091 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13094 DisplayTitle(title);
13098 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13099 gameMode = PlayFromGameFile;
13103 currentMove = forwardMostMove = backwardMostMove = 0;
13104 CopyBoard(boards[0], initialPosition);
13108 * Skip the first gn-1 games in the file.
13109 * Also skip over anything that precedes an identifiable
13110 * start of game marker, to avoid being confused by
13111 * garbage at the start of the file. Currently
13112 * recognized start of game markers are the move number "1",
13113 * the pattern "gnuchess .* game", the pattern
13114 * "^[#;%] [^ ]* game file", and a PGN tag block.
13115 * A game that starts with one of the latter two patterns
13116 * will also have a move number 1, possibly
13117 * following a position diagram.
13118 * 5-4-02: Let's try being more lenient and allowing a game to
13119 * start with an unnumbered move. Does that break anything?
13121 cm = lastLoadGameStart = EndOfFile;
13123 yyboardindex = forwardMostMove;
13124 cm = (ChessMove) Myylex();
13127 if (cmailMsgLoaded) {
13128 nCmailGames = CMAIL_MAX_GAMES - gn;
13131 DisplayError(_("Game not found in file"), 0);
13138 lastLoadGameStart = cm;
13141 case MoveNumberOne:
13142 switch (lastLoadGameStart) {
13147 case MoveNumberOne:
13149 gn--; /* count this game */
13150 lastLoadGameStart = cm;
13159 switch (lastLoadGameStart) {
13162 case MoveNumberOne:
13164 gn--; /* count this game */
13165 lastLoadGameStart = cm;
13168 lastLoadGameStart = cm; /* game counted already */
13176 yyboardindex = forwardMostMove;
13177 cm = (ChessMove) Myylex();
13178 } while (cm == PGNTag || cm == Comment);
13185 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13186 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13187 != CMAIL_OLD_RESULT) {
13189 cmailResult[ CMAIL_MAX_GAMES
13190 - gn - 1] = CMAIL_OLD_RESULT;
13197 /* Only a NormalMove can be at the start of a game
13198 * without a position diagram. */
13199 if (lastLoadGameStart == EndOfFile ) {
13201 lastLoadGameStart = MoveNumberOne;
13210 if (appData.debugMode)
13211 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13213 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13215 if (cm == XBoardGame) {
13216 /* Skip any header junk before position diagram and/or move 1 */
13218 yyboardindex = forwardMostMove;
13219 cm = (ChessMove) Myylex();
13221 if (cm == EndOfFile ||
13222 cm == GNUChessGame || cm == XBoardGame) {
13223 /* Empty game; pretend end-of-file and handle later */
13228 if (cm == MoveNumberOne || cm == PositionDiagram ||
13229 cm == PGNTag || cm == Comment)
13232 } else if (cm == GNUChessGame) {
13233 if (gameInfo.event != NULL) {
13234 free(gameInfo.event);
13236 gameInfo.event = StrSave(yy_text);
13239 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13240 while (cm == PGNTag) {
13241 if (appData.debugMode)
13242 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13243 err = ParsePGNTag(yy_text, &gameInfo);
13244 if (!err) numPGNTags++;
13246 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13247 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13248 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13249 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13250 InitPosition(TRUE);
13251 oldVariant = gameInfo.variant;
13252 if (appData.debugMode)
13253 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13257 if (gameInfo.fen != NULL) {
13258 Board initial_position;
13259 startedFromSetupPosition = TRUE;
13260 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13262 DisplayError(_("Bad FEN position in file"), 0);
13265 CopyBoard(boards[0], initial_position);
13266 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13267 CopyBoard(initialPosition, initial_position);
13268 if (blackPlaysFirst) {
13269 currentMove = forwardMostMove = backwardMostMove = 1;
13270 CopyBoard(boards[1], initial_position);
13271 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13272 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13273 timeRemaining[0][1] = whiteTimeRemaining;
13274 timeRemaining[1][1] = blackTimeRemaining;
13275 if (commentList[0] != NULL) {
13276 commentList[1] = commentList[0];
13277 commentList[0] = NULL;
13280 currentMove = forwardMostMove = backwardMostMove = 0;
13282 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13284 initialRulePlies = FENrulePlies;
13285 for( i=0; i< nrCastlingRights; i++ )
13286 initialRights[i] = initial_position[CASTLING][i];
13288 yyboardindex = forwardMostMove;
13289 free(gameInfo.fen);
13290 gameInfo.fen = NULL;
13293 yyboardindex = forwardMostMove;
13294 cm = (ChessMove) Myylex();
13296 /* Handle comments interspersed among the tags */
13297 while (cm == Comment) {
13299 if (appData.debugMode)
13300 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13302 AppendComment(currentMove, p, FALSE);
13303 yyboardindex = forwardMostMove;
13304 cm = (ChessMove) Myylex();
13308 /* don't rely on existence of Event tag since if game was
13309 * pasted from clipboard the Event tag may not exist
13311 if (numPGNTags > 0){
13313 if (gameInfo.variant == VariantNormal) {
13314 VariantClass v = StringToVariant(gameInfo.event);
13315 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13316 if(v < VariantShogi) gameInfo.variant = v;
13319 if( appData.autoDisplayTags ) {
13320 tags = PGNTags(&gameInfo);
13321 TagsPopUp(tags, CmailMsg());
13326 /* Make something up, but don't display it now */
13331 if (cm == PositionDiagram) {
13334 Board initial_position;
13336 if (appData.debugMode)
13337 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13339 if (!startedFromSetupPosition) {
13341 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13342 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13353 initial_position[i][j++] = CharToPiece(*p);
13356 while (*p == ' ' || *p == '\t' ||
13357 *p == '\n' || *p == '\r') p++;
13359 if (strncmp(p, "black", strlen("black"))==0)
13360 blackPlaysFirst = TRUE;
13362 blackPlaysFirst = FALSE;
13363 startedFromSetupPosition = TRUE;
13365 CopyBoard(boards[0], initial_position);
13366 if (blackPlaysFirst) {
13367 currentMove = forwardMostMove = backwardMostMove = 1;
13368 CopyBoard(boards[1], initial_position);
13369 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13370 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13371 timeRemaining[0][1] = whiteTimeRemaining;
13372 timeRemaining[1][1] = blackTimeRemaining;
13373 if (commentList[0] != NULL) {
13374 commentList[1] = commentList[0];
13375 commentList[0] = NULL;
13378 currentMove = forwardMostMove = backwardMostMove = 0;
13381 yyboardindex = forwardMostMove;
13382 cm = (ChessMove) Myylex();
13385 if(!creatingBook) {
13386 if (first.pr == NoProc) {
13387 StartChessProgram(&first);
13389 InitChessProgram(&first, FALSE);
13390 if(gameInfo.variant == VariantUnknown && *oldName) {
13391 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13392 gameInfo.variant = v;
13394 SendToProgram("force\n", &first);
13395 if (startedFromSetupPosition) {
13396 SendBoard(&first, forwardMostMove);
13397 if (appData.debugMode) {
13398 fprintf(debugFP, "Load Game\n");
13400 DisplayBothClocks();
13404 /* [HGM] server: flag to write setup moves in broadcast file as one */
13405 loadFlag = appData.suppressLoadMoves;
13407 while (cm == Comment) {
13409 if (appData.debugMode)
13410 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13412 AppendComment(currentMove, p, FALSE);
13413 yyboardindex = forwardMostMove;
13414 cm = (ChessMove) Myylex();
13417 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13418 cm == WhiteWins || cm == BlackWins ||
13419 cm == GameIsDrawn || cm == GameUnfinished) {
13420 DisplayMessage("", _("No moves in game"));
13421 if (cmailMsgLoaded) {
13422 if (appData.debugMode)
13423 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13427 DrawPosition(FALSE, boards[currentMove]);
13428 DisplayBothClocks();
13429 gameMode = EditGame;
13436 // [HGM] PV info: routine tests if comment empty
13437 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13438 DisplayComment(currentMove - 1, commentList[currentMove]);
13440 if (!matchMode && appData.timeDelay != 0)
13441 DrawPosition(FALSE, boards[currentMove]);
13443 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13444 programStats.ok_to_send = 1;
13447 /* if the first token after the PGN tags is a move
13448 * and not move number 1, retrieve it from the parser
13450 if (cm != MoveNumberOne)
13451 LoadGameOneMove(cm);
13453 /* load the remaining moves from the file */
13454 while (LoadGameOneMove(EndOfFile)) {
13455 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13456 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13459 /* rewind to the start of the game */
13460 currentMove = backwardMostMove;
13462 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13464 if (oldGameMode == AnalyzeFile) {
13465 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13466 AnalyzeFileEvent();
13468 if (oldGameMode == AnalyzeMode) {
13469 AnalyzeFileEvent();
13472 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13473 long int w, b; // [HGM] adjourn: restore saved clock times
13474 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13475 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13476 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13477 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13481 if(creatingBook) return TRUE;
13482 if (!matchMode && pos > 0) {
13483 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13485 if (matchMode || appData.timeDelay == 0) {
13487 } else if (appData.timeDelay > 0) {
13488 AutoPlayGameLoop();
13491 if (appData.debugMode)
13492 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13494 loadFlag = 0; /* [HGM] true game starts */
13498 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13500 ReloadPosition (int offset)
13502 int positionNumber = lastLoadPositionNumber + offset;
13503 if (lastLoadPositionFP == NULL) {
13504 DisplayError(_("No position has been loaded yet"), 0);
13507 if (positionNumber <= 0) {
13508 DisplayError(_("Can't back up any further"), 0);
13511 return LoadPosition(lastLoadPositionFP, positionNumber,
13512 lastLoadPositionTitle);
13515 /* Load the nth position from the given file */
13517 LoadPositionFromFile (char *filename, int n, char *title)
13522 if (strcmp(filename, "-") == 0) {
13523 return LoadPosition(stdin, n, "stdin");
13525 f = fopen(filename, "rb");
13527 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13528 DisplayError(buf, errno);
13531 return LoadPosition(f, n, title);
13536 /* Load the nth position from the given open file, and close it */
13538 LoadPosition (FILE *f, int positionNumber, char *title)
13540 char *p, line[MSG_SIZ];
13541 Board initial_position;
13542 int i, j, fenMode, pn;
13544 if (gameMode == Training )
13545 SetTrainingModeOff();
13547 if (gameMode != BeginningOfGame) {
13548 Reset(FALSE, TRUE);
13550 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13551 fclose(lastLoadPositionFP);
13553 if (positionNumber == 0) positionNumber = 1;
13554 lastLoadPositionFP = f;
13555 lastLoadPositionNumber = positionNumber;
13556 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13557 if (first.pr == NoProc && !appData.noChessProgram) {
13558 StartChessProgram(&first);
13559 InitChessProgram(&first, FALSE);
13561 pn = positionNumber;
13562 if (positionNumber < 0) {
13563 /* Negative position number means to seek to that byte offset */
13564 if (fseek(f, -positionNumber, 0) == -1) {
13565 DisplayError(_("Can't seek on position file"), 0);
13570 if (fseek(f, 0, 0) == -1) {
13571 if (f == lastLoadPositionFP ?
13572 positionNumber == lastLoadPositionNumber + 1 :
13573 positionNumber == 1) {
13576 DisplayError(_("Can't seek on position file"), 0);
13581 /* See if this file is FEN or old-style xboard */
13582 if (fgets(line, MSG_SIZ, f) == NULL) {
13583 DisplayError(_("Position not found in file"), 0);
13586 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13587 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13590 if (fenMode || line[0] == '#') pn--;
13592 /* skip positions before number pn */
13593 if (fgets(line, MSG_SIZ, f) == NULL) {
13595 DisplayError(_("Position not found in file"), 0);
13598 if (fenMode || line[0] == '#') pn--;
13604 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13605 DisplayError(_("Bad FEN position in file"), 0);
13608 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13609 sscanf(p+4, "%[^;]", bestMove);
13610 } else *bestMove = NULLCHAR;
13611 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13612 sscanf(p+4, "%[^;]", avoidMove);
13613 } else *avoidMove = NULLCHAR;
13615 (void) fgets(line, MSG_SIZ, f);
13616 (void) fgets(line, MSG_SIZ, f);
13618 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13619 (void) fgets(line, MSG_SIZ, f);
13620 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13623 initial_position[i][j++] = CharToPiece(*p);
13627 blackPlaysFirst = FALSE;
13629 (void) fgets(line, MSG_SIZ, f);
13630 if (strncmp(line, "black", strlen("black"))==0)
13631 blackPlaysFirst = TRUE;
13634 startedFromSetupPosition = TRUE;
13636 CopyBoard(boards[0], initial_position);
13637 if (blackPlaysFirst) {
13638 currentMove = forwardMostMove = backwardMostMove = 1;
13639 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13640 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13641 CopyBoard(boards[1], initial_position);
13642 DisplayMessage("", _("Black to play"));
13644 currentMove = forwardMostMove = backwardMostMove = 0;
13645 DisplayMessage("", _("White to play"));
13647 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13648 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13649 SendToProgram("force\n", &first);
13650 SendBoard(&first, forwardMostMove);
13652 if (appData.debugMode) {
13654 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13655 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13656 fprintf(debugFP, "Load Position\n");
13659 if (positionNumber > 1) {
13660 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13661 DisplayTitle(line);
13663 DisplayTitle(title);
13665 gameMode = EditGame;
13668 timeRemaining[0][1] = whiteTimeRemaining;
13669 timeRemaining[1][1] = blackTimeRemaining;
13670 DrawPosition(FALSE, boards[currentMove]);
13677 CopyPlayerNameIntoFileName (char **dest, char *src)
13679 while (*src != NULLCHAR && *src != ',') {
13684 *(*dest)++ = *src++;
13690 DefaultFileName (char *ext)
13692 static char def[MSG_SIZ];
13695 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13697 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13699 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13701 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13708 /* Save the current game to the given file */
13710 SaveGameToFile (char *filename, int append)
13714 int result, i, t,tot=0;
13716 if (strcmp(filename, "-") == 0) {
13717 return SaveGame(stdout, 0, NULL);
13719 for(i=0; i<10; i++) { // upto 10 tries
13720 f = fopen(filename, append ? "a" : "w");
13721 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13722 if(f || errno != 13) break;
13723 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13727 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13728 DisplayError(buf, errno);
13731 safeStrCpy(buf, lastMsg, MSG_SIZ);
13732 DisplayMessage(_("Waiting for access to save file"), "");
13733 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13734 DisplayMessage(_("Saving game"), "");
13735 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13736 result = SaveGame(f, 0, NULL);
13737 DisplayMessage(buf, "");
13744 SavePart (char *str)
13746 static char buf[MSG_SIZ];
13749 p = strchr(str, ' ');
13750 if (p == NULL) return str;
13751 strncpy(buf, str, p - str);
13752 buf[p - str] = NULLCHAR;
13756 #define PGN_MAX_LINE 75
13758 #define PGN_SIDE_WHITE 0
13759 #define PGN_SIDE_BLACK 1
13762 FindFirstMoveOutOfBook (int side)
13766 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13767 int index = backwardMostMove;
13768 int has_book_hit = 0;
13770 if( (index % 2) != side ) {
13774 while( index < forwardMostMove ) {
13775 /* Check to see if engine is in book */
13776 int depth = pvInfoList[index].depth;
13777 int score = pvInfoList[index].score;
13783 else if( score == 0 && depth == 63 ) {
13784 in_book = 1; /* Zappa */
13786 else if( score == 2 && depth == 99 ) {
13787 in_book = 1; /* Abrok */
13790 has_book_hit += in_book;
13806 GetOutOfBookInfo (char * buf)
13810 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13812 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13813 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13817 if( oob[0] >= 0 || oob[1] >= 0 ) {
13818 for( i=0; i<2; i++ ) {
13822 if( i > 0 && oob[0] >= 0 ) {
13823 strcat( buf, " " );
13826 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13827 sprintf( buf+strlen(buf), "%s%.2f",
13828 pvInfoList[idx].score >= 0 ? "+" : "",
13829 pvInfoList[idx].score / 100.0 );
13835 /* Save game in PGN style */
13837 SaveGamePGN2 (FILE *f)
13839 int i, offset, linelen, newblock;
13842 int movelen, numlen, blank;
13843 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13845 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13847 PrintPGNTags(f, &gameInfo);
13849 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13851 if (backwardMostMove > 0 || startedFromSetupPosition) {
13852 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13853 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13854 fprintf(f, "\n{--------------\n");
13855 PrintPosition(f, backwardMostMove);
13856 fprintf(f, "--------------}\n");
13860 /* [AS] Out of book annotation */
13861 if( appData.saveOutOfBookInfo ) {
13864 GetOutOfBookInfo( buf );
13866 if( buf[0] != '\0' ) {
13867 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13874 i = backwardMostMove;
13878 while (i < forwardMostMove) {
13879 /* Print comments preceding this move */
13880 if (commentList[i] != NULL) {
13881 if (linelen > 0) fprintf(f, "\n");
13882 fprintf(f, "%s", commentList[i]);
13887 /* Format move number */
13889 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13892 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13894 numtext[0] = NULLCHAR;
13896 numlen = strlen(numtext);
13899 /* Print move number */
13900 blank = linelen > 0 && numlen > 0;
13901 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13910 fprintf(f, "%s", numtext);
13914 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13915 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13918 blank = linelen > 0 && movelen > 0;
13919 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13928 fprintf(f, "%s", move_buffer);
13929 linelen += movelen;
13931 /* [AS] Add PV info if present */
13932 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13933 /* [HGM] add time */
13934 char buf[MSG_SIZ]; int seconds;
13936 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13942 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13945 seconds = (seconds + 4)/10; // round to full seconds
13947 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13949 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13952 if(appData.cumulativeTimePGN) {
13953 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
13956 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13957 pvInfoList[i].score >= 0 ? "+" : "",
13958 pvInfoList[i].score / 100.0,
13959 pvInfoList[i].depth,
13962 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13964 /* Print score/depth */
13965 blank = linelen > 0 && movelen > 0;
13966 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13975 fprintf(f, "%s", move_buffer);
13976 linelen += movelen;
13982 /* Start a new line */
13983 if (linelen > 0) fprintf(f, "\n");
13985 /* Print comments after last move */
13986 if (commentList[i] != NULL) {
13987 fprintf(f, "%s\n", commentList[i]);
13991 if (gameInfo.resultDetails != NULL &&
13992 gameInfo.resultDetails[0] != NULLCHAR) {
13993 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13994 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13995 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13996 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13997 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13999 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14003 /* Save game in PGN style and close the file */
14005 SaveGamePGN (FILE *f)
14009 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14013 /* Save game in old style and close the file */
14015 SaveGameOldStyle (FILE *f)
14020 tm = time((time_t *) NULL);
14022 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14025 if (backwardMostMove > 0 || startedFromSetupPosition) {
14026 fprintf(f, "\n[--------------\n");
14027 PrintPosition(f, backwardMostMove);
14028 fprintf(f, "--------------]\n");
14033 i = backwardMostMove;
14034 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14036 while (i < forwardMostMove) {
14037 if (commentList[i] != NULL) {
14038 fprintf(f, "[%s]\n", commentList[i]);
14041 if ((i % 2) == 1) {
14042 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14045 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14047 if (commentList[i] != NULL) {
14051 if (i >= forwardMostMove) {
14055 fprintf(f, "%s\n", parseList[i]);
14060 if (commentList[i] != NULL) {
14061 fprintf(f, "[%s]\n", commentList[i]);
14064 /* This isn't really the old style, but it's close enough */
14065 if (gameInfo.resultDetails != NULL &&
14066 gameInfo.resultDetails[0] != NULLCHAR) {
14067 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14068 gameInfo.resultDetails);
14070 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14077 /* Save the current game to open file f and close the file */
14079 SaveGame (FILE *f, int dummy, char *dummy2)
14081 if (gameMode == EditPosition) EditPositionDone(TRUE);
14082 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14083 if (appData.oldSaveStyle)
14084 return SaveGameOldStyle(f);
14086 return SaveGamePGN(f);
14089 /* Save the current position to the given file */
14091 SavePositionToFile (char *filename)
14096 if (strcmp(filename, "-") == 0) {
14097 return SavePosition(stdout, 0, NULL);
14099 f = fopen(filename, "a");
14101 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14102 DisplayError(buf, errno);
14105 safeStrCpy(buf, lastMsg, MSG_SIZ);
14106 DisplayMessage(_("Waiting for access to save file"), "");
14107 flock(fileno(f), LOCK_EX); // [HGM] lock
14108 DisplayMessage(_("Saving position"), "");
14109 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14110 SavePosition(f, 0, NULL);
14111 DisplayMessage(buf, "");
14117 /* Save the current position to the given open file and close the file */
14119 SavePosition (FILE *f, int dummy, char *dummy2)
14124 if (gameMode == EditPosition) EditPositionDone(TRUE);
14125 if (appData.oldSaveStyle) {
14126 tm = time((time_t *) NULL);
14128 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14130 fprintf(f, "[--------------\n");
14131 PrintPosition(f, currentMove);
14132 fprintf(f, "--------------]\n");
14134 fen = PositionToFEN(currentMove, NULL, 1);
14135 fprintf(f, "%s\n", fen);
14143 ReloadCmailMsgEvent (int unregister)
14146 static char *inFilename = NULL;
14147 static char *outFilename;
14149 struct stat inbuf, outbuf;
14152 /* Any registered moves are unregistered if unregister is set, */
14153 /* i.e. invoked by the signal handler */
14155 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14156 cmailMoveRegistered[i] = FALSE;
14157 if (cmailCommentList[i] != NULL) {
14158 free(cmailCommentList[i]);
14159 cmailCommentList[i] = NULL;
14162 nCmailMovesRegistered = 0;
14165 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14166 cmailResult[i] = CMAIL_NOT_RESULT;
14170 if (inFilename == NULL) {
14171 /* Because the filenames are static they only get malloced once */
14172 /* and they never get freed */
14173 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14174 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14176 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14177 sprintf(outFilename, "%s.out", appData.cmailGameName);
14180 status = stat(outFilename, &outbuf);
14182 cmailMailedMove = FALSE;
14184 status = stat(inFilename, &inbuf);
14185 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14188 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14189 counts the games, notes how each one terminated, etc.
14191 It would be nice to remove this kludge and instead gather all
14192 the information while building the game list. (And to keep it
14193 in the game list nodes instead of having a bunch of fixed-size
14194 parallel arrays.) Note this will require getting each game's
14195 termination from the PGN tags, as the game list builder does
14196 not process the game moves. --mann
14198 cmailMsgLoaded = TRUE;
14199 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14201 /* Load first game in the file or popup game menu */
14202 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14204 #endif /* !WIN32 */
14212 char string[MSG_SIZ];
14214 if ( cmailMailedMove
14215 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14216 return TRUE; /* Allow free viewing */
14219 /* Unregister move to ensure that we don't leave RegisterMove */
14220 /* with the move registered when the conditions for registering no */
14222 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14223 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14224 nCmailMovesRegistered --;
14226 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14228 free(cmailCommentList[lastLoadGameNumber - 1]);
14229 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14233 if (cmailOldMove == -1) {
14234 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14238 if (currentMove > cmailOldMove + 1) {
14239 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14243 if (currentMove < cmailOldMove) {
14244 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14248 if (forwardMostMove > currentMove) {
14249 /* Silently truncate extra moves */
14253 if ( (currentMove == cmailOldMove + 1)
14254 || ( (currentMove == cmailOldMove)
14255 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14256 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14257 if (gameInfo.result != GameUnfinished) {
14258 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14261 if (commentList[currentMove] != NULL) {
14262 cmailCommentList[lastLoadGameNumber - 1]
14263 = StrSave(commentList[currentMove]);
14265 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14267 if (appData.debugMode)
14268 fprintf(debugFP, "Saving %s for game %d\n",
14269 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14271 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14273 f = fopen(string, "w");
14274 if (appData.oldSaveStyle) {
14275 SaveGameOldStyle(f); /* also closes the file */
14277 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14278 f = fopen(string, "w");
14279 SavePosition(f, 0, NULL); /* also closes the file */
14281 fprintf(f, "{--------------\n");
14282 PrintPosition(f, currentMove);
14283 fprintf(f, "--------------}\n\n");
14285 SaveGame(f, 0, NULL); /* also closes the file*/
14288 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14289 nCmailMovesRegistered ++;
14290 } else if (nCmailGames == 1) {
14291 DisplayError(_("You have not made a move yet"), 0);
14302 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14303 FILE *commandOutput;
14304 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14305 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14311 if (! cmailMsgLoaded) {
14312 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14316 if (nCmailGames == nCmailResults) {
14317 DisplayError(_("No unfinished games"), 0);
14321 #if CMAIL_PROHIBIT_REMAIL
14322 if (cmailMailedMove) {
14323 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);
14324 DisplayError(msg, 0);
14329 if (! (cmailMailedMove || RegisterMove())) return;
14331 if ( cmailMailedMove
14332 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14333 snprintf(string, MSG_SIZ, partCommandString,
14334 appData.debugMode ? " -v" : "", appData.cmailGameName);
14335 commandOutput = popen(string, "r");
14337 if (commandOutput == NULL) {
14338 DisplayError(_("Failed to invoke cmail"), 0);
14340 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14341 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14343 if (nBuffers > 1) {
14344 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14345 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14346 nBytes = MSG_SIZ - 1;
14348 (void) memcpy(msg, buffer, nBytes);
14350 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14352 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14353 cmailMailedMove = TRUE; /* Prevent >1 moves */
14356 for (i = 0; i < nCmailGames; i ++) {
14357 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14362 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14364 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14366 appData.cmailGameName,
14368 LoadGameFromFile(buffer, 1, buffer, FALSE);
14369 cmailMsgLoaded = FALSE;
14373 DisplayInformation(msg);
14374 pclose(commandOutput);
14377 if ((*cmailMsg) != '\0') {
14378 DisplayInformation(cmailMsg);
14383 #endif /* !WIN32 */
14392 int prependComma = 0;
14394 char string[MSG_SIZ]; /* Space for game-list */
14397 if (!cmailMsgLoaded) return "";
14399 if (cmailMailedMove) {
14400 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14402 /* Create a list of games left */
14403 snprintf(string, MSG_SIZ, "[");
14404 for (i = 0; i < nCmailGames; i ++) {
14405 if (! ( cmailMoveRegistered[i]
14406 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14407 if (prependComma) {
14408 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14410 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14414 strcat(string, number);
14417 strcat(string, "]");
14419 if (nCmailMovesRegistered + nCmailResults == 0) {
14420 switch (nCmailGames) {
14422 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14426 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14430 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14435 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14437 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14442 if (nCmailResults == nCmailGames) {
14443 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14445 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14450 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14462 if (gameMode == Training)
14463 SetTrainingModeOff();
14466 cmailMsgLoaded = FALSE;
14467 if (appData.icsActive) {
14468 SendToICS(ics_prefix);
14469 SendToICS("refresh\n");
14474 ExitEvent (int status)
14478 /* Give up on clean exit */
14482 /* Keep trying for clean exit */
14486 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14487 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14489 if (telnetISR != NULL) {
14490 RemoveInputSource(telnetISR);
14492 if (icsPR != NoProc) {
14493 DestroyChildProcess(icsPR, TRUE);
14496 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14497 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14499 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14500 /* make sure this other one finishes before killing it! */
14501 if(endingGame) { int count = 0;
14502 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14503 while(endingGame && count++ < 10) DoSleep(1);
14504 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14507 /* Kill off chess programs */
14508 if (first.pr != NoProc) {
14511 DoSleep( appData.delayBeforeQuit );
14512 SendToProgram("quit\n", &first);
14513 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14515 if (second.pr != NoProc) {
14516 DoSleep( appData.delayBeforeQuit );
14517 SendToProgram("quit\n", &second);
14518 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14520 if (first.isr != NULL) {
14521 RemoveInputSource(first.isr);
14523 if (second.isr != NULL) {
14524 RemoveInputSource(second.isr);
14527 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14528 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14530 ShutDownFrontEnd();
14535 PauseEngine (ChessProgramState *cps)
14537 SendToProgram("pause\n", cps);
14542 UnPauseEngine (ChessProgramState *cps)
14544 SendToProgram("resume\n", cps);
14551 if (appData.debugMode)
14552 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14556 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14558 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14559 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14560 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14562 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14563 HandleMachineMove(stashedInputMove, stalledEngine);
14564 stalledEngine = NULL;
14567 if (gameMode == MachinePlaysWhite ||
14568 gameMode == TwoMachinesPlay ||
14569 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14570 if(first.pause) UnPauseEngine(&first);
14571 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14572 if(second.pause) UnPauseEngine(&second);
14573 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14576 DisplayBothClocks();
14578 if (gameMode == PlayFromGameFile) {
14579 if (appData.timeDelay >= 0)
14580 AutoPlayGameLoop();
14581 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14582 Reset(FALSE, TRUE);
14583 SendToICS(ics_prefix);
14584 SendToICS("refresh\n");
14585 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14586 ForwardInner(forwardMostMove);
14588 pauseExamInvalid = FALSE;
14590 switch (gameMode) {
14594 pauseExamForwardMostMove = forwardMostMove;
14595 pauseExamInvalid = FALSE;
14598 case IcsPlayingWhite:
14599 case IcsPlayingBlack:
14603 case PlayFromGameFile:
14604 (void) StopLoadGameTimer();
14608 case BeginningOfGame:
14609 if (appData.icsActive) return;
14610 /* else fall through */
14611 case MachinePlaysWhite:
14612 case MachinePlaysBlack:
14613 case TwoMachinesPlay:
14614 if (forwardMostMove == 0)
14615 return; /* don't pause if no one has moved */
14616 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14617 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14618 if(onMove->pause) { // thinking engine can be paused
14619 PauseEngine(onMove); // do it
14620 if(onMove->other->pause) // pondering opponent can always be paused immediately
14621 PauseEngine(onMove->other);
14623 SendToProgram("easy\n", onMove->other);
14625 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14626 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14628 PauseEngine(&first);
14630 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14631 } else { // human on move, pause pondering by either method
14633 PauseEngine(&first);
14634 else if(appData.ponderNextMove)
14635 SendToProgram("easy\n", &first);
14638 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14648 EditCommentEvent ()
14650 char title[MSG_SIZ];
14652 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14653 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14655 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14656 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14657 parseList[currentMove - 1]);
14660 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14667 char *tags = PGNTags(&gameInfo);
14669 EditTagsPopUp(tags, NULL);
14676 if(second.analyzing) {
14677 SendToProgram("exit\n", &second);
14678 second.analyzing = FALSE;
14680 if (second.pr == NoProc) StartChessProgram(&second);
14681 InitChessProgram(&second, FALSE);
14682 FeedMovesToProgram(&second, currentMove);
14684 SendToProgram("analyze\n", &second);
14685 second.analyzing = TRUE;
14689 /* Toggle ShowThinking */
14691 ToggleShowThinking()
14693 appData.showThinking = !appData.showThinking;
14694 ShowThinkingEvent();
14698 AnalyzeModeEvent ()
14702 if (!first.analysisSupport) {
14703 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14704 DisplayError(buf, 0);
14707 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14708 if (appData.icsActive) {
14709 if (gameMode != IcsObserving) {
14710 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14711 DisplayError(buf, 0);
14713 if (appData.icsEngineAnalyze) {
14714 if (appData.debugMode)
14715 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14721 /* if enable, user wants to disable icsEngineAnalyze */
14722 if (appData.icsEngineAnalyze) {
14727 appData.icsEngineAnalyze = TRUE;
14728 if (appData.debugMode)
14729 fprintf(debugFP, "ICS engine analyze starting... \n");
14732 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14733 if (appData.noChessProgram || gameMode == AnalyzeMode)
14736 if (gameMode != AnalyzeFile) {
14737 if (!appData.icsEngineAnalyze) {
14739 if (gameMode != EditGame) return 0;
14741 if (!appData.showThinking) ToggleShowThinking();
14742 ResurrectChessProgram();
14743 SendToProgram("analyze\n", &first);
14744 first.analyzing = TRUE;
14745 /*first.maybeThinking = TRUE;*/
14746 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14747 EngineOutputPopUp();
14749 if (!appData.icsEngineAnalyze) {
14750 gameMode = AnalyzeMode;
14751 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14757 StartAnalysisClock();
14758 GetTimeMark(&lastNodeCountTime);
14764 AnalyzeFileEvent ()
14766 if (appData.noChessProgram || gameMode == AnalyzeFile)
14769 if (!first.analysisSupport) {
14771 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14772 DisplayError(buf, 0);
14776 if (gameMode != AnalyzeMode) {
14777 keepInfo = 1; // mere annotating should not alter PGN tags
14780 if (gameMode != EditGame) return;
14781 if (!appData.showThinking) ToggleShowThinking();
14782 ResurrectChessProgram();
14783 SendToProgram("analyze\n", &first);
14784 first.analyzing = TRUE;
14785 /*first.maybeThinking = TRUE;*/
14786 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14787 EngineOutputPopUp();
14789 gameMode = AnalyzeFile;
14793 StartAnalysisClock();
14794 GetTimeMark(&lastNodeCountTime);
14796 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14797 AnalysisPeriodicEvent(1);
14801 MachineWhiteEvent ()
14804 char *bookHit = NULL;
14806 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14810 if (gameMode == PlayFromGameFile ||
14811 gameMode == TwoMachinesPlay ||
14812 gameMode == Training ||
14813 gameMode == AnalyzeMode ||
14814 gameMode == EndOfGame)
14817 if (gameMode == EditPosition)
14818 EditPositionDone(TRUE);
14820 if (!WhiteOnMove(currentMove)) {
14821 DisplayError(_("It is not White's turn"), 0);
14825 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14828 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14829 gameMode == AnalyzeFile)
14832 ResurrectChessProgram(); /* in case it isn't running */
14833 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14834 gameMode = MachinePlaysWhite;
14837 gameMode = MachinePlaysWhite;
14841 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14843 if (first.sendName) {
14844 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14845 SendToProgram(buf, &first);
14847 if (first.sendTime) {
14848 if (first.useColors) {
14849 SendToProgram("black\n", &first); /*gnu kludge*/
14851 SendTimeRemaining(&first, TRUE);
14853 if (first.useColors) {
14854 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14856 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14857 SetMachineThinkingEnables();
14858 first.maybeThinking = TRUE;
14862 if (appData.autoFlipView && !flipView) {
14863 flipView = !flipView;
14864 DrawPosition(FALSE, NULL);
14865 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14868 if(bookHit) { // [HGM] book: simulate book reply
14869 static char bookMove[MSG_SIZ]; // a bit generous?
14871 programStats.nodes = programStats.depth = programStats.time =
14872 programStats.score = programStats.got_only_move = 0;
14873 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14875 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14876 strcat(bookMove, bookHit);
14877 HandleMachineMove(bookMove, &first);
14882 MachineBlackEvent ()
14885 char *bookHit = NULL;
14887 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14891 if (gameMode == PlayFromGameFile ||
14892 gameMode == TwoMachinesPlay ||
14893 gameMode == Training ||
14894 gameMode == AnalyzeMode ||
14895 gameMode == EndOfGame)
14898 if (gameMode == EditPosition)
14899 EditPositionDone(TRUE);
14901 if (WhiteOnMove(currentMove)) {
14902 DisplayError(_("It is not Black's turn"), 0);
14906 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14909 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14910 gameMode == AnalyzeFile)
14913 ResurrectChessProgram(); /* in case it isn't running */
14914 gameMode = MachinePlaysBlack;
14918 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14920 if (first.sendName) {
14921 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14922 SendToProgram(buf, &first);
14924 if (first.sendTime) {
14925 if (first.useColors) {
14926 SendToProgram("white\n", &first); /*gnu kludge*/
14928 SendTimeRemaining(&first, FALSE);
14930 if (first.useColors) {
14931 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14933 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14934 SetMachineThinkingEnables();
14935 first.maybeThinking = TRUE;
14938 if (appData.autoFlipView && flipView) {
14939 flipView = !flipView;
14940 DrawPosition(FALSE, NULL);
14941 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14943 if(bookHit) { // [HGM] book: simulate book reply
14944 static char bookMove[MSG_SIZ]; // a bit generous?
14946 programStats.nodes = programStats.depth = programStats.time =
14947 programStats.score = programStats.got_only_move = 0;
14948 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14950 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14951 strcat(bookMove, bookHit);
14952 HandleMachineMove(bookMove, &first);
14958 DisplayTwoMachinesTitle ()
14961 if (appData.matchGames > 0) {
14962 if(appData.tourneyFile[0]) {
14963 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14964 gameInfo.white, _("vs."), gameInfo.black,
14965 nextGame+1, appData.matchGames+1,
14966 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14968 if (first.twoMachinesColor[0] == 'w') {
14969 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14970 gameInfo.white, _("vs."), gameInfo.black,
14971 first.matchWins, second.matchWins,
14972 matchGame - 1 - (first.matchWins + second.matchWins));
14974 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14975 gameInfo.white, _("vs."), gameInfo.black,
14976 second.matchWins, first.matchWins,
14977 matchGame - 1 - (first.matchWins + second.matchWins));
14980 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14986 SettingsMenuIfReady ()
14988 if (second.lastPing != second.lastPong) {
14989 DisplayMessage("", _("Waiting for second chess program"));
14990 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14994 DisplayMessage("", "");
14995 SettingsPopUp(&second);
14999 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15002 if (cps->pr == NoProc) {
15003 StartChessProgram(cps);
15004 if (cps->protocolVersion == 1) {
15006 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15008 /* kludge: allow timeout for initial "feature" command */
15009 if(retry != TwoMachinesEventIfReady) FreezeUI();
15010 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15011 DisplayMessage("", buf);
15012 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15020 TwoMachinesEvent P((void))
15024 ChessProgramState *onmove;
15025 char *bookHit = NULL;
15026 static int stalling = 0;
15030 if (appData.noChessProgram) return;
15032 switch (gameMode) {
15033 case TwoMachinesPlay:
15035 case MachinePlaysWhite:
15036 case MachinePlaysBlack:
15037 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15038 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15042 case BeginningOfGame:
15043 case PlayFromGameFile:
15046 if (gameMode != EditGame) return;
15049 EditPositionDone(TRUE);
15060 // forwardMostMove = currentMove;
15061 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15062 startingEngine = TRUE;
15064 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15066 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15067 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15068 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15072 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15074 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15075 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15076 startingEngine = matchMode = FALSE;
15077 DisplayError("second engine does not play this", 0);
15078 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15079 EditGameEvent(); // switch back to EditGame mode
15084 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15085 SendToProgram("force\n", &second);
15087 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15091 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15092 if(appData.matchPause>10000 || appData.matchPause<10)
15093 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15094 wait = SubtractTimeMarks(&now, &pauseStart);
15095 if(wait < appData.matchPause) {
15096 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15099 // we are now committed to starting the game
15101 DisplayMessage("", "");
15103 if (startedFromSetupPosition) {
15104 SendBoard(&second, backwardMostMove);
15105 if (appData.debugMode) {
15106 fprintf(debugFP, "Two Machines\n");
15109 for (i = backwardMostMove; i < forwardMostMove; i++) {
15110 SendMoveToProgram(i, &second);
15114 gameMode = TwoMachinesPlay;
15115 pausing = startingEngine = FALSE;
15116 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15118 DisplayTwoMachinesTitle();
15120 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15125 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15126 SendToProgram(first.computerString, &first);
15127 if (first.sendName) {
15128 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15129 SendToProgram(buf, &first);
15132 SendToProgram(second.computerString, &second);
15133 if (second.sendName) {
15134 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15135 SendToProgram(buf, &second);
15140 if (!first.sendTime || !second.sendTime) {
15141 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15142 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15144 if (onmove->sendTime) {
15145 if (onmove->useColors) {
15146 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15148 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15150 if (onmove->useColors) {
15151 SendToProgram(onmove->twoMachinesColor, onmove);
15153 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15154 // SendToProgram("go\n", onmove);
15155 onmove->maybeThinking = TRUE;
15156 SetMachineThinkingEnables();
15160 if(bookHit) { // [HGM] book: simulate book reply
15161 static char bookMove[MSG_SIZ]; // a bit generous?
15163 programStats.nodes = programStats.depth = programStats.time =
15164 programStats.score = programStats.got_only_move = 0;
15165 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15167 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15168 strcat(bookMove, bookHit);
15169 savedMessage = bookMove; // args for deferred call
15170 savedState = onmove;
15171 ScheduleDelayedEvent(DeferredBookMove, 1);
15178 if (gameMode == Training) {
15179 SetTrainingModeOff();
15180 gameMode = PlayFromGameFile;
15181 DisplayMessage("", _("Training mode off"));
15183 gameMode = Training;
15184 animateTraining = appData.animate;
15186 /* make sure we are not already at the end of the game */
15187 if (currentMove < forwardMostMove) {
15188 SetTrainingModeOn();
15189 DisplayMessage("", _("Training mode on"));
15191 gameMode = PlayFromGameFile;
15192 DisplayError(_("Already at end of game"), 0);
15201 if (!appData.icsActive) return;
15202 switch (gameMode) {
15203 case IcsPlayingWhite:
15204 case IcsPlayingBlack:
15207 case BeginningOfGame:
15215 EditPositionDone(TRUE);
15228 gameMode = IcsIdle;
15238 switch (gameMode) {
15240 SetTrainingModeOff();
15242 case MachinePlaysWhite:
15243 case MachinePlaysBlack:
15244 case BeginningOfGame:
15245 SendToProgram("force\n", &first);
15246 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15247 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15249 abortEngineThink = TRUE;
15250 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15251 SendToProgram(buf, &first);
15252 DisplayMessage("Aborting engine think", "");
15256 SetUserThinkingEnables();
15258 case PlayFromGameFile:
15259 (void) StopLoadGameTimer();
15260 if (gameFileFP != NULL) {
15265 EditPositionDone(TRUE);
15270 SendToProgram("force\n", &first);
15272 case TwoMachinesPlay:
15273 GameEnds(EndOfFile, NULL, GE_PLAYER);
15274 ResurrectChessProgram();
15275 SetUserThinkingEnables();
15278 ResurrectChessProgram();
15280 case IcsPlayingBlack:
15281 case IcsPlayingWhite:
15282 DisplayError(_("Warning: You are still playing a game"), 0);
15285 DisplayError(_("Warning: You are still observing a game"), 0);
15288 DisplayError(_("Warning: You are still examining a game"), 0);
15299 first.offeredDraw = second.offeredDraw = 0;
15301 if (gameMode == PlayFromGameFile) {
15302 whiteTimeRemaining = timeRemaining[0][currentMove];
15303 blackTimeRemaining = timeRemaining[1][currentMove];
15307 if (gameMode == MachinePlaysWhite ||
15308 gameMode == MachinePlaysBlack ||
15309 gameMode == TwoMachinesPlay ||
15310 gameMode == EndOfGame) {
15311 i = forwardMostMove;
15312 while (i > currentMove) {
15313 SendToProgram("undo\n", &first);
15316 if(!adjustedClock) {
15317 whiteTimeRemaining = timeRemaining[0][currentMove];
15318 blackTimeRemaining = timeRemaining[1][currentMove];
15319 DisplayBothClocks();
15321 if (whiteFlag || blackFlag) {
15322 whiteFlag = blackFlag = 0;
15327 gameMode = EditGame;
15333 EditPositionEvent ()
15336 if (gameMode == EditPosition) {
15342 if (gameMode != EditGame) return;
15344 gameMode = EditPosition;
15347 CopyBoard(rightsBoard, nullBoard);
15348 if (currentMove > 0)
15349 CopyBoard(boards[0], boards[currentMove]);
15350 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15351 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15353 blackPlaysFirst = !WhiteOnMove(currentMove);
15355 currentMove = forwardMostMove = backwardMostMove = 0;
15356 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15358 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15364 /* [DM] icsEngineAnalyze - possible call from other functions */
15365 if (appData.icsEngineAnalyze) {
15366 appData.icsEngineAnalyze = FALSE;
15368 DisplayMessage("",_("Close ICS engine analyze..."));
15370 if (first.analysisSupport && first.analyzing) {
15371 SendToBoth("exit\n");
15372 first.analyzing = second.analyzing = FALSE;
15374 thinkOutput[0] = NULLCHAR;
15378 EditPositionDone (Boolean fakeRights)
15380 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15382 startedFromSetupPosition = TRUE;
15383 InitChessProgram(&first, FALSE);
15384 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15386 boards[0][EP_STATUS] = EP_NONE;
15387 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15388 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15389 if(rightsBoard[r][f]) {
15390 ChessSquare p = boards[0][r][f];
15391 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15392 else if(p == king) boards[0][CASTLING][2] = f;
15393 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15394 else rightsBoard[r][f] = 2; // mark for second pass
15397 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15398 if(rightsBoard[r][f] == 2) {
15399 ChessSquare p = boards[0][r][f];
15400 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15401 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15405 SendToProgram("force\n", &first);
15406 if (blackPlaysFirst) {
15407 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15408 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15409 currentMove = forwardMostMove = backwardMostMove = 1;
15410 CopyBoard(boards[1], boards[0]);
15412 currentMove = forwardMostMove = backwardMostMove = 0;
15414 SendBoard(&first, forwardMostMove);
15415 if (appData.debugMode) {
15416 fprintf(debugFP, "EditPosDone\n");
15419 DisplayMessage("", "");
15420 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15421 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15422 gameMode = EditGame;
15424 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15425 ClearHighlights(); /* [AS] */
15428 /* Pause for `ms' milliseconds */
15429 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15431 TimeDelay (long ms)
15438 } while (SubtractTimeMarks(&m2, &m1) < ms);
15441 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15443 SendMultiLineToICS (char *buf)
15445 char temp[MSG_SIZ+1], *p;
15452 strncpy(temp, buf, len);
15457 if (*p == '\n' || *p == '\r')
15462 strcat(temp, "\n");
15464 SendToPlayer(temp, strlen(temp));
15468 SetWhiteToPlayEvent ()
15470 if (gameMode == EditPosition) {
15471 blackPlaysFirst = FALSE;
15472 DisplayBothClocks(); /* works because currentMove is 0 */
15473 } else if (gameMode == IcsExamining) {
15474 SendToICS(ics_prefix);
15475 SendToICS("tomove white\n");
15480 SetBlackToPlayEvent ()
15482 if (gameMode == EditPosition) {
15483 blackPlaysFirst = TRUE;
15484 currentMove = 1; /* kludge */
15485 DisplayBothClocks();
15487 } else if (gameMode == IcsExamining) {
15488 SendToICS(ics_prefix);
15489 SendToICS("tomove black\n");
15494 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15497 ChessSquare piece = boards[0][y][x];
15498 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15499 static int lastVariant;
15500 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15502 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15504 switch (selection) {
15506 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15507 MarkTargetSquares(1);
15508 CopyBoard(currentBoard, boards[0]);
15509 CopyBoard(menuBoard, initialPosition);
15510 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15511 SendToICS(ics_prefix);
15512 SendToICS("bsetup clear\n");
15513 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15514 SendToICS(ics_prefix);
15515 SendToICS("clearboard\n");
15518 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15519 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15520 for (y = 0; y < BOARD_HEIGHT; y++) {
15521 if (gameMode == IcsExamining) {
15522 if (boards[currentMove][y][x] != EmptySquare) {
15523 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15527 } else if(boards[0][y][x] != DarkSquare) {
15528 if(boards[0][y][x] != p) nonEmpty++;
15529 boards[0][y][x] = p;
15533 CopyBoard(rightsBoard, nullBoard);
15534 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15536 for(r = 0; r < BOARD_HEIGHT; r++) {
15537 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15538 ChessSquare p = menuBoard[r][x];
15539 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15542 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15543 DisplayMessage("Clicking clock again restores position", "");
15544 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15545 if(!nonEmpty) { // asked to clear an empty board
15546 CopyBoard(boards[0], menuBoard);
15548 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15549 CopyBoard(boards[0], initialPosition);
15551 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15552 && !CompareBoards(nullBoard, erasedBoard)) {
15553 CopyBoard(boards[0], erasedBoard);
15555 CopyBoard(erasedBoard, currentBoard);
15557 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15558 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15561 if (gameMode == EditPosition) {
15562 DrawPosition(FALSE, boards[0]);
15567 SetWhiteToPlayEvent();
15571 SetBlackToPlayEvent();
15575 if (gameMode == IcsExamining) {
15576 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15577 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15580 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15581 if(x == BOARD_LEFT-2) {
15582 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15583 boards[0][y][1] = 0;
15585 if(x == BOARD_RGHT+1) {
15586 if(y >= gameInfo.holdingsSize) break;
15587 boards[0][y][BOARD_WIDTH-2] = 0;
15590 boards[0][y][x] = EmptySquare;
15591 DrawPosition(FALSE, boards[0]);
15596 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15597 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15598 selection = (ChessSquare) (PROMOTED(piece));
15599 } else if(piece == EmptySquare) selection = WhiteSilver;
15600 else selection = (ChessSquare)((int)piece - 1);
15604 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15605 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15606 selection = (ChessSquare) (DEMOTED(piece));
15607 } else if(piece == EmptySquare) selection = BlackSilver;
15608 else selection = (ChessSquare)((int)piece + 1);
15613 if(gameInfo.variant == VariantShatranj ||
15614 gameInfo.variant == VariantXiangqi ||
15615 gameInfo.variant == VariantCourier ||
15616 gameInfo.variant == VariantASEAN ||
15617 gameInfo.variant == VariantMakruk )
15618 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15624 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15625 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15631 if(gameInfo.variant == VariantXiangqi)
15632 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15633 if(gameInfo.variant == VariantKnightmate)
15634 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15635 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15638 if (gameMode == IcsExamining) {
15639 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15640 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15641 PieceToChar(selection), AAA + x, ONE + y);
15644 rightsBoard[y][x] = hasRights;
15645 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15647 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15648 n = PieceToNumber(selection - BlackPawn);
15649 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15650 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15651 boards[0][BOARD_HEIGHT-1-n][1]++;
15653 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15654 n = PieceToNumber(selection);
15655 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15656 boards[0][n][BOARD_WIDTH-1] = selection;
15657 boards[0][n][BOARD_WIDTH-2]++;
15660 boards[0][y][x] = selection;
15661 DrawPosition(TRUE, boards[0]);
15663 fromX = fromY = -1;
15671 DropMenuEvent (ChessSquare selection, int x, int y)
15673 ChessMove moveType;
15675 switch (gameMode) {
15676 case IcsPlayingWhite:
15677 case MachinePlaysBlack:
15678 if (!WhiteOnMove(currentMove)) {
15679 DisplayMoveError(_("It is Black's turn"));
15682 moveType = WhiteDrop;
15684 case IcsPlayingBlack:
15685 case MachinePlaysWhite:
15686 if (WhiteOnMove(currentMove)) {
15687 DisplayMoveError(_("It is White's turn"));
15690 moveType = BlackDrop;
15693 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15699 if (moveType == BlackDrop && selection < BlackPawn) {
15700 selection = (ChessSquare) ((int) selection
15701 + (int) BlackPawn - (int) WhitePawn);
15703 if (boards[currentMove][y][x] != EmptySquare) {
15704 DisplayMoveError(_("That square is occupied"));
15708 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15714 /* Accept a pending offer of any kind from opponent */
15716 if (appData.icsActive) {
15717 SendToICS(ics_prefix);
15718 SendToICS("accept\n");
15719 } else if (cmailMsgLoaded) {
15720 if (currentMove == cmailOldMove &&
15721 commentList[cmailOldMove] != NULL &&
15722 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15723 "Black offers a draw" : "White offers a draw")) {
15725 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15726 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15728 DisplayError(_("There is no pending offer on this move"), 0);
15729 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15732 /* Not used for offers from chess program */
15739 /* Decline a pending offer of any kind from opponent */
15741 if (appData.icsActive) {
15742 SendToICS(ics_prefix);
15743 SendToICS("decline\n");
15744 } else if (cmailMsgLoaded) {
15745 if (currentMove == cmailOldMove &&
15746 commentList[cmailOldMove] != NULL &&
15747 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15748 "Black offers a draw" : "White offers a draw")) {
15750 AppendComment(cmailOldMove, "Draw declined", TRUE);
15751 DisplayComment(cmailOldMove - 1, "Draw declined");
15754 DisplayError(_("There is no pending offer on this move"), 0);
15757 /* Not used for offers from chess program */
15764 /* Issue ICS rematch command */
15765 if (appData.icsActive) {
15766 SendToICS(ics_prefix);
15767 SendToICS("rematch\n");
15774 /* Call your opponent's flag (claim a win on time) */
15775 if (appData.icsActive) {
15776 SendToICS(ics_prefix);
15777 SendToICS("flag\n");
15779 switch (gameMode) {
15782 case MachinePlaysWhite:
15785 GameEnds(GameIsDrawn, "Both players ran out of time",
15788 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15790 DisplayError(_("Your opponent is not out of time"), 0);
15793 case MachinePlaysBlack:
15796 GameEnds(GameIsDrawn, "Both players ran out of time",
15799 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15801 DisplayError(_("Your opponent is not out of time"), 0);
15809 ClockClick (int which)
15810 { // [HGM] code moved to back-end from winboard.c
15811 if(which) { // black clock
15812 if (gameMode == EditPosition || gameMode == IcsExamining) {
15813 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15814 SetBlackToPlayEvent();
15815 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15816 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15817 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15818 } else if (shiftKey) {
15819 AdjustClock(which, -1);
15820 } else if (gameMode == IcsPlayingWhite ||
15821 gameMode == MachinePlaysBlack) {
15824 } else { // white clock
15825 if (gameMode == EditPosition || gameMode == IcsExamining) {
15826 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15827 SetWhiteToPlayEvent();
15828 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15829 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15830 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15831 } else if (shiftKey) {
15832 AdjustClock(which, -1);
15833 } else if (gameMode == IcsPlayingBlack ||
15834 gameMode == MachinePlaysWhite) {
15843 /* Offer draw or accept pending draw offer from opponent */
15845 if (appData.icsActive) {
15846 /* Note: tournament rules require draw offers to be
15847 made after you make your move but before you punch
15848 your clock. Currently ICS doesn't let you do that;
15849 instead, you immediately punch your clock after making
15850 a move, but you can offer a draw at any time. */
15852 SendToICS(ics_prefix);
15853 SendToICS("draw\n");
15854 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15855 } else if (cmailMsgLoaded) {
15856 if (currentMove == cmailOldMove &&
15857 commentList[cmailOldMove] != NULL &&
15858 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15859 "Black offers a draw" : "White offers a draw")) {
15860 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15861 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15862 } else if (currentMove == cmailOldMove + 1) {
15863 char *offer = WhiteOnMove(cmailOldMove) ?
15864 "White offers a draw" : "Black offers a draw";
15865 AppendComment(currentMove, offer, TRUE);
15866 DisplayComment(currentMove - 1, offer);
15867 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15869 DisplayError(_("You must make your move before offering a draw"), 0);
15870 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15872 } else if (first.offeredDraw) {
15873 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15875 if (first.sendDrawOffers) {
15876 SendToProgram("draw\n", &first);
15877 userOfferedDraw = TRUE;
15885 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15887 if (appData.icsActive) {
15888 SendToICS(ics_prefix);
15889 SendToICS("adjourn\n");
15891 /* Currently GNU Chess doesn't offer or accept Adjourns */
15899 /* Offer Abort or accept pending Abort offer from opponent */
15901 if (appData.icsActive) {
15902 SendToICS(ics_prefix);
15903 SendToICS("abort\n");
15905 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15912 /* Resign. You can do this even if it's not your turn. */
15914 if (appData.icsActive) {
15915 SendToICS(ics_prefix);
15916 SendToICS("resign\n");
15918 switch (gameMode) {
15919 case MachinePlaysWhite:
15920 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15922 case MachinePlaysBlack:
15923 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15926 if (cmailMsgLoaded) {
15928 if (WhiteOnMove(cmailOldMove)) {
15929 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15931 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15933 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15944 StopObservingEvent ()
15946 /* Stop observing current games */
15947 SendToICS(ics_prefix);
15948 SendToICS("unobserve\n");
15952 StopExaminingEvent ()
15954 /* Stop observing current game */
15955 SendToICS(ics_prefix);
15956 SendToICS("unexamine\n");
15960 ForwardInner (int target)
15962 int limit; int oldSeekGraphUp = seekGraphUp;
15964 if (appData.debugMode)
15965 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15966 target, currentMove, forwardMostMove);
15968 if (gameMode == EditPosition)
15971 seekGraphUp = FALSE;
15972 MarkTargetSquares(1);
15973 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15975 if (gameMode == PlayFromGameFile && !pausing)
15978 if (gameMode == IcsExamining && pausing)
15979 limit = pauseExamForwardMostMove;
15981 limit = forwardMostMove;
15983 if (target > limit) target = limit;
15985 if (target > 0 && moveList[target - 1][0]) {
15986 int fromX, fromY, toX, toY;
15987 toX = moveList[target - 1][2] - AAA;
15988 toY = moveList[target - 1][3] - ONE;
15989 if (moveList[target - 1][1] == '@') {
15990 if (appData.highlightLastMove) {
15991 SetHighlights(-1, -1, toX, toY);
15994 fromX = moveList[target - 1][0] - AAA;
15995 fromY = moveList[target - 1][1] - ONE;
15996 if (target == currentMove + 1) {
15997 if(moveList[target - 1][4] == ';') { // multi-leg
15998 killX = moveList[target - 1][5] - AAA;
15999 killY = moveList[target - 1][6] - ONE;
16001 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16002 killX = killY = -1;
16004 if (appData.highlightLastMove) {
16005 SetHighlights(fromX, fromY, toX, toY);
16009 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16010 gameMode == Training || gameMode == PlayFromGameFile ||
16011 gameMode == AnalyzeFile) {
16012 while (currentMove < target) {
16013 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16014 SendMoveToProgram(currentMove++, &first);
16017 currentMove = target;
16020 if (gameMode == EditGame || gameMode == EndOfGame) {
16021 whiteTimeRemaining = timeRemaining[0][currentMove];
16022 blackTimeRemaining = timeRemaining[1][currentMove];
16024 DisplayBothClocks();
16025 DisplayMove(currentMove - 1);
16026 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16027 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16028 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16029 DisplayComment(currentMove - 1, commentList[currentMove]);
16031 ClearMap(); // [HGM] exclude: invalidate map
16038 if (gameMode == IcsExamining && !pausing) {
16039 SendToICS(ics_prefix);
16040 SendToICS("forward\n");
16042 ForwardInner(currentMove + 1);
16049 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16050 /* to optimze, we temporarily turn off analysis mode while we feed
16051 * the remaining moves to the engine. Otherwise we get analysis output
16054 if (first.analysisSupport) {
16055 SendToProgram("exit\nforce\n", &first);
16056 first.analyzing = FALSE;
16060 if (gameMode == IcsExamining && !pausing) {
16061 SendToICS(ics_prefix);
16062 SendToICS("forward 999999\n");
16064 ForwardInner(forwardMostMove);
16067 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16068 /* we have fed all the moves, so reactivate analysis mode */
16069 SendToProgram("analyze\n", &first);
16070 first.analyzing = TRUE;
16071 /*first.maybeThinking = TRUE;*/
16072 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16077 BackwardInner (int target)
16079 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16081 if (appData.debugMode)
16082 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16083 target, currentMove, forwardMostMove);
16085 if (gameMode == EditPosition) return;
16086 seekGraphUp = FALSE;
16087 MarkTargetSquares(1);
16088 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16089 if (currentMove <= backwardMostMove) {
16091 DrawPosition(full_redraw, boards[currentMove]);
16094 if (gameMode == PlayFromGameFile && !pausing)
16097 if (moveList[target][0]) {
16098 int fromX, fromY, toX, toY;
16099 toX = moveList[target][2] - AAA;
16100 toY = moveList[target][3] - ONE;
16101 if (moveList[target][1] == '@') {
16102 if (appData.highlightLastMove) {
16103 SetHighlights(-1, -1, toX, toY);
16106 fromX = moveList[target][0] - AAA;
16107 fromY = moveList[target][1] - ONE;
16108 if (target == currentMove - 1) {
16109 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16111 if (appData.highlightLastMove) {
16112 SetHighlights(fromX, fromY, toX, toY);
16116 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16117 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16118 while (currentMove > target) {
16119 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16120 // null move cannot be undone. Reload program with move history before it.
16122 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16123 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16125 SendBoard(&first, i);
16126 if(second.analyzing) SendBoard(&second, i);
16127 for(currentMove=i; currentMove<target; currentMove++) {
16128 SendMoveToProgram(currentMove, &first);
16129 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16133 SendToBoth("undo\n");
16137 currentMove = target;
16140 if (gameMode == EditGame || gameMode == EndOfGame) {
16141 whiteTimeRemaining = timeRemaining[0][currentMove];
16142 blackTimeRemaining = timeRemaining[1][currentMove];
16144 DisplayBothClocks();
16145 DisplayMove(currentMove - 1);
16146 DrawPosition(full_redraw, boards[currentMove]);
16147 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16148 // [HGM] PV info: routine tests if comment empty
16149 DisplayComment(currentMove - 1, commentList[currentMove]);
16150 ClearMap(); // [HGM] exclude: invalidate map
16156 if (gameMode == IcsExamining && !pausing) {
16157 SendToICS(ics_prefix);
16158 SendToICS("backward\n");
16160 BackwardInner(currentMove - 1);
16167 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16168 /* to optimize, we temporarily turn off analysis mode while we undo
16169 * all the moves. Otherwise we get analysis output after each undo.
16171 if (first.analysisSupport) {
16172 SendToProgram("exit\nforce\n", &first);
16173 first.analyzing = FALSE;
16177 if (gameMode == IcsExamining && !pausing) {
16178 SendToICS(ics_prefix);
16179 SendToICS("backward 999999\n");
16181 BackwardInner(backwardMostMove);
16184 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16185 /* we have fed all the moves, so reactivate analysis mode */
16186 SendToProgram("analyze\n", &first);
16187 first.analyzing = TRUE;
16188 /*first.maybeThinking = TRUE;*/
16189 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16196 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16197 if (to >= forwardMostMove) to = forwardMostMove;
16198 if (to <= backwardMostMove) to = backwardMostMove;
16199 if (to < currentMove) {
16207 RevertEvent (Boolean annotate)
16209 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16212 if (gameMode != IcsExamining) {
16213 DisplayError(_("You are not examining a game"), 0);
16217 DisplayError(_("You can't revert while pausing"), 0);
16220 SendToICS(ics_prefix);
16221 SendToICS("revert\n");
16225 RetractMoveEvent ()
16227 switch (gameMode) {
16228 case MachinePlaysWhite:
16229 case MachinePlaysBlack:
16230 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16231 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16234 if (forwardMostMove < 2) return;
16235 currentMove = forwardMostMove = forwardMostMove - 2;
16236 whiteTimeRemaining = timeRemaining[0][currentMove];
16237 blackTimeRemaining = timeRemaining[1][currentMove];
16238 DisplayBothClocks();
16239 DisplayMove(currentMove - 1);
16240 ClearHighlights();/*!! could figure this out*/
16241 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16242 SendToProgram("remove\n", &first);
16243 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16246 case BeginningOfGame:
16250 case IcsPlayingWhite:
16251 case IcsPlayingBlack:
16252 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16253 SendToICS(ics_prefix);
16254 SendToICS("takeback 2\n");
16256 SendToICS(ics_prefix);
16257 SendToICS("takeback 1\n");
16266 ChessProgramState *cps;
16268 switch (gameMode) {
16269 case MachinePlaysWhite:
16270 if (!WhiteOnMove(forwardMostMove)) {
16271 DisplayError(_("It is your turn"), 0);
16276 case MachinePlaysBlack:
16277 if (WhiteOnMove(forwardMostMove)) {
16278 DisplayError(_("It is your turn"), 0);
16283 case TwoMachinesPlay:
16284 if (WhiteOnMove(forwardMostMove) ==
16285 (first.twoMachinesColor[0] == 'w')) {
16291 case BeginningOfGame:
16295 SendToProgram("?\n", cps);
16299 TruncateGameEvent ()
16302 if (gameMode != EditGame) return;
16309 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16310 if (forwardMostMove > currentMove) {
16311 if (gameInfo.resultDetails != NULL) {
16312 free(gameInfo.resultDetails);
16313 gameInfo.resultDetails = NULL;
16314 gameInfo.result = GameUnfinished;
16316 forwardMostMove = currentMove;
16317 HistorySet(parseList, backwardMostMove, forwardMostMove,
16325 if (appData.noChessProgram) return;
16326 switch (gameMode) {
16327 case MachinePlaysWhite:
16328 if (WhiteOnMove(forwardMostMove)) {
16329 DisplayError(_("Wait until your turn."), 0);
16333 case BeginningOfGame:
16334 case MachinePlaysBlack:
16335 if (!WhiteOnMove(forwardMostMove)) {
16336 DisplayError(_("Wait until your turn."), 0);
16341 DisplayError(_("No hint available"), 0);
16344 SendToProgram("hint\n", &first);
16345 hintRequested = TRUE;
16349 SaveSelected (FILE *g, int dummy, char *dummy2)
16351 ListGame * lg = (ListGame *) gameList.head;
16355 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16356 DisplayError(_("Game list not loaded or empty"), 0);
16360 creatingBook = TRUE; // suppresses stuff during load game
16362 /* Get list size */
16363 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16364 if(lg->position >= 0) { // selected?
16365 LoadGame(f, nItem, "", TRUE);
16366 SaveGamePGN2(g); // leaves g open
16369 lg = (ListGame *) lg->node.succ;
16373 creatingBook = FALSE;
16381 ListGame * lg = (ListGame *) gameList.head;
16384 static int secondTime = FALSE;
16386 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16387 DisplayError(_("Game list not loaded or empty"), 0);
16391 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16394 DisplayNote(_("Book file exists! Try again for overwrite."));
16398 creatingBook = TRUE;
16399 secondTime = FALSE;
16401 /* Get list size */
16402 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16403 if(lg->position >= 0) {
16404 LoadGame(f, nItem, "", TRUE);
16405 AddGameToBook(TRUE);
16408 lg = (ListGame *) lg->node.succ;
16411 creatingBook = FALSE;
16418 if (appData.noChessProgram) return;
16419 switch (gameMode) {
16420 case MachinePlaysWhite:
16421 if (WhiteOnMove(forwardMostMove)) {
16422 DisplayError(_("Wait until your turn."), 0);
16426 case BeginningOfGame:
16427 case MachinePlaysBlack:
16428 if (!WhiteOnMove(forwardMostMove)) {
16429 DisplayError(_("Wait until your turn."), 0);
16434 EditPositionDone(TRUE);
16436 case TwoMachinesPlay:
16441 SendToProgram("bk\n", &first);
16442 bookOutput[0] = NULLCHAR;
16443 bookRequested = TRUE;
16449 char *tags = PGNTags(&gameInfo);
16450 TagsPopUp(tags, CmailMsg());
16454 /* end button procedures */
16457 PrintPosition (FILE *fp, int move)
16461 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16462 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16463 char c = PieceToChar(boards[move][i][j]);
16464 fputc(c == '?' ? '.' : c, fp);
16465 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16468 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16469 fprintf(fp, "white to play\n");
16471 fprintf(fp, "black to play\n");
16475 PrintOpponents (FILE *fp)
16477 if (gameInfo.white != NULL) {
16478 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16484 /* Find last component of program's own name, using some heuristics */
16486 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16489 int local = (strcmp(host, "localhost") == 0);
16490 while (!local && (p = strchr(prog, ';')) != NULL) {
16492 while (*p == ' ') p++;
16495 if (*prog == '"' || *prog == '\'') {
16496 q = strchr(prog + 1, *prog);
16498 q = strchr(prog, ' ');
16500 if (q == NULL) q = prog + strlen(prog);
16502 while (p >= prog && *p != '/' && *p != '\\') p--;
16504 if(p == prog && *p == '"') p++;
16506 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16507 memcpy(buf, p, q - p);
16508 buf[q - p] = NULLCHAR;
16516 TimeControlTagValue ()
16519 if (!appData.clockMode) {
16520 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16521 } else if (movesPerSession > 0) {
16522 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16523 } else if (timeIncrement == 0) {
16524 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16526 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16528 return StrSave(buf);
16534 /* This routine is used only for certain modes */
16535 VariantClass v = gameInfo.variant;
16536 ChessMove r = GameUnfinished;
16539 if(keepInfo) return;
16541 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16542 r = gameInfo.result;
16543 p = gameInfo.resultDetails;
16544 gameInfo.resultDetails = NULL;
16546 ClearGameInfo(&gameInfo);
16547 gameInfo.variant = v;
16549 switch (gameMode) {
16550 case MachinePlaysWhite:
16551 gameInfo.event = StrSave( appData.pgnEventHeader );
16552 gameInfo.site = StrSave(HostName());
16553 gameInfo.date = PGNDate();
16554 gameInfo.round = StrSave("-");
16555 gameInfo.white = StrSave(first.tidy);
16556 gameInfo.black = StrSave(UserName());
16557 gameInfo.timeControl = TimeControlTagValue();
16560 case MachinePlaysBlack:
16561 gameInfo.event = StrSave( appData.pgnEventHeader );
16562 gameInfo.site = StrSave(HostName());
16563 gameInfo.date = PGNDate();
16564 gameInfo.round = StrSave("-");
16565 gameInfo.white = StrSave(UserName());
16566 gameInfo.black = StrSave(first.tidy);
16567 gameInfo.timeControl = TimeControlTagValue();
16570 case TwoMachinesPlay:
16571 gameInfo.event = StrSave( appData.pgnEventHeader );
16572 gameInfo.site = StrSave(HostName());
16573 gameInfo.date = PGNDate();
16576 snprintf(buf, MSG_SIZ, "%d", roundNr);
16577 gameInfo.round = StrSave(buf);
16579 gameInfo.round = StrSave("-");
16581 if (first.twoMachinesColor[0] == 'w') {
16582 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16583 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16585 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16586 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16588 gameInfo.timeControl = TimeControlTagValue();
16592 gameInfo.event = StrSave("Edited game");
16593 gameInfo.site = StrSave(HostName());
16594 gameInfo.date = PGNDate();
16595 gameInfo.round = StrSave("-");
16596 gameInfo.white = StrSave("-");
16597 gameInfo.black = StrSave("-");
16598 gameInfo.result = r;
16599 gameInfo.resultDetails = p;
16603 gameInfo.event = StrSave("Edited position");
16604 gameInfo.site = StrSave(HostName());
16605 gameInfo.date = PGNDate();
16606 gameInfo.round = StrSave("-");
16607 gameInfo.white = StrSave("-");
16608 gameInfo.black = StrSave("-");
16611 case IcsPlayingWhite:
16612 case IcsPlayingBlack:
16617 case PlayFromGameFile:
16618 gameInfo.event = StrSave("Game from non-PGN file");
16619 gameInfo.site = StrSave(HostName());
16620 gameInfo.date = PGNDate();
16621 gameInfo.round = StrSave("-");
16622 gameInfo.white = StrSave("?");
16623 gameInfo.black = StrSave("?");
16632 ReplaceComment (int index, char *text)
16638 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16639 pvInfoList[index-1].depth == len &&
16640 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16641 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16642 while (*text == '\n') text++;
16643 len = strlen(text);
16644 while (len > 0 && text[len - 1] == '\n') len--;
16646 if (commentList[index] != NULL)
16647 free(commentList[index]);
16650 commentList[index] = NULL;
16653 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16654 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16655 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16656 commentList[index] = (char *) malloc(len + 2);
16657 strncpy(commentList[index], text, len);
16658 commentList[index][len] = '\n';
16659 commentList[index][len + 1] = NULLCHAR;
16661 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16663 commentList[index] = (char *) malloc(len + 7);
16664 safeStrCpy(commentList[index], "{\n", 3);
16665 safeStrCpy(commentList[index]+2, text, len+1);
16666 commentList[index][len+2] = NULLCHAR;
16667 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16668 strcat(commentList[index], "\n}\n");
16673 CrushCRs (char *text)
16681 if (ch == '\r') continue;
16683 } while (ch != '\0');
16687 AppendComment (int index, char *text, Boolean addBraces)
16688 /* addBraces tells if we should add {} */
16693 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16694 if(addBraces == 3) addBraces = 0; else // force appending literally
16695 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16698 while (*text == '\n') text++;
16699 len = strlen(text);
16700 while (len > 0 && text[len - 1] == '\n') len--;
16701 text[len] = NULLCHAR;
16703 if (len == 0) return;
16705 if (commentList[index] != NULL) {
16706 Boolean addClosingBrace = addBraces;
16707 old = commentList[index];
16708 oldlen = strlen(old);
16709 while(commentList[index][oldlen-1] == '\n')
16710 commentList[index][--oldlen] = NULLCHAR;
16711 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16712 safeStrCpy(commentList[index], old, oldlen + len + 6);
16714 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16715 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16716 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16717 while (*text == '\n') { text++; len--; }
16718 commentList[index][--oldlen] = NULLCHAR;
16720 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16721 else strcat(commentList[index], "\n");
16722 strcat(commentList[index], text);
16723 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16724 else strcat(commentList[index], "\n");
16726 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16728 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16729 else commentList[index][0] = NULLCHAR;
16730 strcat(commentList[index], text);
16731 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16732 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16737 FindStr (char * text, char * sub_text)
16739 char * result = strstr( text, sub_text );
16741 if( result != NULL ) {
16742 result += strlen( sub_text );
16748 /* [AS] Try to extract PV info from PGN comment */
16749 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16751 GetInfoFromComment (int index, char * text)
16753 char * sep = text, *p;
16755 if( text != NULL && index > 0 ) {
16758 int time = -1, sec = 0, deci;
16759 char * s_eval = FindStr( text, "[%eval " );
16760 char * s_emt = FindStr( text, "[%emt " );
16762 if( s_eval != NULL || s_emt != NULL ) {
16764 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16769 if( s_eval != NULL ) {
16770 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16774 if( delim != ']' ) {
16779 if( s_emt != NULL ) {
16784 /* We expect something like: [+|-]nnn.nn/dd */
16787 if(*text != '{') return text; // [HGM] braces: must be normal comment
16789 sep = strchr( text, '/' );
16790 if( sep == NULL || sep < (text+4) ) {
16795 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16796 if(p[1] == '(') { // comment starts with PV
16797 p = strchr(p, ')'); // locate end of PV
16798 if(p == NULL || sep < p+5) return text;
16799 // at this point we have something like "{(.*) +0.23/6 ..."
16800 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16801 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16802 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16804 time = -1; sec = -1; deci = -1;
16805 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16806 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16807 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16808 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16812 if( score_lo < 0 || score_lo >= 100 ) {
16816 if(sec >= 0) time = 600*time + 10*sec; else
16817 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16819 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16821 /* [HGM] PV time: now locate end of PV info */
16822 while( *++sep >= '0' && *sep <= '9'); // strip depth
16824 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16826 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16828 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16829 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16840 pvInfoList[index-1].depth = depth;
16841 pvInfoList[index-1].score = score;
16842 pvInfoList[index-1].time = 10*time; // centi-sec
16843 if(*sep == '}') *sep = 0; else *--sep = '{';
16845 while(*p++ = *sep++)
16848 } // squeeze out space between PV and comment, and return both
16854 SendToProgram (char *message, ChessProgramState *cps)
16856 int count, outCount, error;
16859 if (cps->pr == NoProc) return;
16862 if (appData.debugMode) {
16865 fprintf(debugFP, "%ld >%-6s: %s",
16866 SubtractTimeMarks(&now, &programStartTime),
16867 cps->which, message);
16869 fprintf(serverFP, "%ld >%-6s: %s",
16870 SubtractTimeMarks(&now, &programStartTime),
16871 cps->which, message), fflush(serverFP);
16874 count = strlen(message);
16875 outCount = OutputToProcess(cps->pr, message, count, &error);
16876 if (outCount < count && !exiting
16877 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16878 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16879 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16880 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16881 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16882 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16883 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16884 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16886 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16887 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16888 gameInfo.result = res;
16890 gameInfo.resultDetails = StrSave(buf);
16892 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16893 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16898 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16902 ChessProgramState *cps = (ChessProgramState *)closure;
16904 if (isr != cps->isr) return; /* Killed intentionally */
16907 RemoveInputSource(cps->isr);
16908 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16909 _(cps->which), cps->program);
16910 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16911 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16912 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16913 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16914 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16915 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16917 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16918 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16919 gameInfo.result = res;
16921 gameInfo.resultDetails = StrSave(buf);
16923 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16924 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16926 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16927 _(cps->which), cps->program);
16928 RemoveInputSource(cps->isr);
16930 /* [AS] Program is misbehaving badly... kill it */
16931 if( count == -2 ) {
16932 DestroyChildProcess( cps->pr, 9 );
16936 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16941 if ((end_str = strchr(message, '\r')) != NULL)
16942 *end_str = NULLCHAR;
16943 if ((end_str = strchr(message, '\n')) != NULL)
16944 *end_str = NULLCHAR;
16946 if (appData.debugMode) {
16947 TimeMark now; int print = 1;
16948 char *quote = ""; char c; int i;
16950 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16951 char start = message[0];
16952 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16953 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16954 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16955 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16956 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16957 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16958 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16959 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16960 sscanf(message, "hint: %c", &c)!=1 &&
16961 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16962 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16963 print = (appData.engineComments >= 2);
16965 message[0] = start; // restore original message
16969 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16970 SubtractTimeMarks(&now, &programStartTime), cps->which,
16974 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16975 SubtractTimeMarks(&now, &programStartTime), cps->which,
16977 message), fflush(serverFP);
16981 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16982 if (appData.icsEngineAnalyze) {
16983 if (strstr(message, "whisper") != NULL ||
16984 strstr(message, "kibitz") != NULL ||
16985 strstr(message, "tellics") != NULL) return;
16988 HandleMachineMove(message, cps);
16993 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16998 if( timeControl_2 > 0 ) {
16999 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
17000 tc = timeControl_2;
17003 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17004 inc /= cps->timeOdds;
17005 st /= cps->timeOdds;
17007 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17010 /* Set exact time per move, normally using st command */
17011 if (cps->stKludge) {
17012 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17014 if (seconds == 0) {
17015 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17017 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17020 snprintf(buf, MSG_SIZ, "st %d\n", st);
17023 /* Set conventional or incremental time control, using level command */
17024 if (seconds == 0) {
17025 /* Note old gnuchess bug -- minutes:seconds used to not work.
17026 Fixed in later versions, but still avoid :seconds
17027 when seconds is 0. */
17028 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17030 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17031 seconds, inc/1000.);
17034 SendToProgram(buf, cps);
17036 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17037 /* Orthogonally, limit search to given depth */
17039 if (cps->sdKludge) {
17040 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17042 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17044 SendToProgram(buf, cps);
17047 if(cps->nps >= 0) { /* [HGM] nps */
17048 if(cps->supportsNPS == FALSE)
17049 cps->nps = -1; // don't use if engine explicitly says not supported!
17051 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17052 SendToProgram(buf, cps);
17057 ChessProgramState *
17059 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17061 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17062 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17068 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17070 char message[MSG_SIZ];
17073 /* Note: this routine must be called when the clocks are stopped
17074 or when they have *just* been set or switched; otherwise
17075 it will be off by the time since the current tick started.
17077 if (machineWhite) {
17078 time = whiteTimeRemaining / 10;
17079 otime = blackTimeRemaining / 10;
17081 time = blackTimeRemaining / 10;
17082 otime = whiteTimeRemaining / 10;
17084 /* [HGM] translate opponent's time by time-odds factor */
17085 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17087 if (time <= 0) time = 1;
17088 if (otime <= 0) otime = 1;
17090 snprintf(message, MSG_SIZ, "time %ld\n", time);
17091 SendToProgram(message, cps);
17093 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17094 SendToProgram(message, cps);
17098 EngineDefinedVariant (ChessProgramState *cps, int n)
17099 { // return name of n-th unknown variant that engine supports
17100 static char buf[MSG_SIZ];
17101 char *p, *s = cps->variants;
17102 if(!s) return NULL;
17103 do { // parse string from variants feature
17105 p = strchr(s, ',');
17106 if(p) *p = NULLCHAR;
17107 v = StringToVariant(s);
17108 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17109 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17110 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17111 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17112 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17113 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17114 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17117 if(n < 0) return buf;
17123 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17126 int len = strlen(name);
17129 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17131 sscanf(*p, "%d", &val);
17133 while (**p && **p != ' ')
17135 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17136 SendToProgram(buf, cps);
17143 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17146 int len = strlen(name);
17147 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17149 sscanf(*p, "%d", loc);
17150 while (**p && **p != ' ') (*p)++;
17151 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17152 SendToProgram(buf, cps);
17159 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17162 int len = strlen(name);
17163 if (strncmp((*p), name, len) == 0
17164 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17166 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17167 sscanf(*p, "%[^\"]", *loc);
17168 while (**p && **p != '\"') (*p)++;
17169 if (**p == '\"') (*p)++;
17170 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17171 SendToProgram(buf, cps);
17178 ParseOption (Option *opt, ChessProgramState *cps)
17179 // [HGM] options: process the string that defines an engine option, and determine
17180 // name, type, default value, and allowed value range
17182 char *p, *q, buf[MSG_SIZ];
17183 int n, min = (-1)<<31, max = 1<<31, def;
17185 opt->target = &opt->value; // OK for spin/slider and checkbox
17186 if(p = strstr(opt->name, " -spin ")) {
17187 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17188 if(max < min) max = min; // enforce consistency
17189 if(def < min) def = min;
17190 if(def > max) def = max;
17195 } else if((p = strstr(opt->name, " -slider "))) {
17196 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17197 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17198 if(max < min) max = min; // enforce consistency
17199 if(def < min) def = min;
17200 if(def > max) def = max;
17204 opt->type = Spin; // Slider;
17205 } else if((p = strstr(opt->name, " -string "))) {
17206 opt->textValue = p+9;
17207 opt->type = TextBox;
17208 opt->target = &opt->textValue;
17209 } else if((p = strstr(opt->name, " -file "))) {
17210 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17211 opt->target = opt->textValue = p+7;
17212 opt->type = FileName; // FileName;
17213 opt->target = &opt->textValue;
17214 } else if((p = strstr(opt->name, " -path "))) {
17215 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17216 opt->target = opt->textValue = p+7;
17217 opt->type = PathName; // PathName;
17218 opt->target = &opt->textValue;
17219 } else if(p = strstr(opt->name, " -check ")) {
17220 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17221 opt->value = (def != 0);
17222 opt->type = CheckBox;
17223 } else if(p = strstr(opt->name, " -combo ")) {
17224 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17225 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17226 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17227 opt->value = n = 0;
17228 while(q = StrStr(q, " /// ")) {
17229 n++; *q = 0; // count choices, and null-terminate each of them
17231 if(*q == '*') { // remember default, which is marked with * prefix
17235 cps->comboList[cps->comboCnt++] = q;
17237 cps->comboList[cps->comboCnt++] = NULL;
17239 opt->type = ComboBox;
17240 } else if(p = strstr(opt->name, " -button")) {
17241 opt->type = Button;
17242 } else if(p = strstr(opt->name, " -save")) {
17243 opt->type = SaveButton;
17244 } else return FALSE;
17245 *p = 0; // terminate option name
17246 // now look if the command-line options define a setting for this engine option.
17247 if(cps->optionSettings && cps->optionSettings[0])
17248 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17249 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17250 snprintf(buf, MSG_SIZ, "option %s", p);
17251 if(p = strstr(buf, ",")) *p = 0;
17252 if(q = strchr(buf, '=')) switch(opt->type) {
17254 for(n=0; n<opt->max; n++)
17255 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17258 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17262 opt->value = atoi(q+1);
17267 SendToProgram(buf, cps);
17273 FeatureDone (ChessProgramState *cps, int val)
17275 DelayedEventCallback cb = GetDelayedEvent();
17276 if ((cb == InitBackEnd3 && cps == &first) ||
17277 (cb == SettingsMenuIfReady && cps == &second) ||
17278 (cb == LoadEngine) ||
17279 (cb == TwoMachinesEventIfReady)) {
17280 CancelDelayedEvent();
17281 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17282 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17283 cps->initDone = val;
17284 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17287 /* Parse feature command from engine */
17289 ParseFeatures (char *args, ChessProgramState *cps)
17297 while (*p == ' ') p++;
17298 if (*p == NULLCHAR) return;
17300 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17301 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17302 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17303 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17304 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17305 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17306 if (BoolFeature(&p, "reuse", &val, cps)) {
17307 /* Engine can disable reuse, but can't enable it if user said no */
17308 if (!val) cps->reuse = FALSE;
17311 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17312 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17313 if (gameMode == TwoMachinesPlay) {
17314 DisplayTwoMachinesTitle();
17320 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17321 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17322 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17323 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17324 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17325 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17326 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17327 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17328 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17329 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17330 if (IntFeature(&p, "done", &val, cps)) {
17331 FeatureDone(cps, val);
17334 /* Added by Tord: */
17335 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17336 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17337 /* End of additions by Tord */
17339 /* [HGM] added features: */
17340 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17341 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17342 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17343 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17344 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17345 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17346 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17347 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17348 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17349 FREE(cps->option[cps->nrOptions].name);
17350 cps->option[cps->nrOptions].name = q; q = NULL;
17351 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17352 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17353 SendToProgram(buf, cps);
17356 if(cps->nrOptions >= MAX_OPTIONS) {
17358 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17359 DisplayError(buf, 0);
17363 /* End of additions by HGM */
17365 /* unknown feature: complain and skip */
17367 while (*q && *q != '=') q++;
17368 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17369 SendToProgram(buf, cps);
17375 while (*p && *p != '\"') p++;
17376 if (*p == '\"') p++;
17378 while (*p && *p != ' ') p++;
17386 PeriodicUpdatesEvent (int newState)
17388 if (newState == appData.periodicUpdates)
17391 appData.periodicUpdates=newState;
17393 /* Display type changes, so update it now */
17394 // DisplayAnalysis();
17396 /* Get the ball rolling again... */
17398 AnalysisPeriodicEvent(1);
17399 StartAnalysisClock();
17404 PonderNextMoveEvent (int newState)
17406 if (newState == appData.ponderNextMove) return;
17407 if (gameMode == EditPosition) EditPositionDone(TRUE);
17409 SendToProgram("hard\n", &first);
17410 if (gameMode == TwoMachinesPlay) {
17411 SendToProgram("hard\n", &second);
17414 SendToProgram("easy\n", &first);
17415 thinkOutput[0] = NULLCHAR;
17416 if (gameMode == TwoMachinesPlay) {
17417 SendToProgram("easy\n", &second);
17420 appData.ponderNextMove = newState;
17424 NewSettingEvent (int option, int *feature, char *command, int value)
17428 if (gameMode == EditPosition) EditPositionDone(TRUE);
17429 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17430 if(feature == NULL || *feature) SendToProgram(buf, &first);
17431 if (gameMode == TwoMachinesPlay) {
17432 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17437 ShowThinkingEvent ()
17438 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17440 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17441 int newState = appData.showThinking
17442 // [HGM] thinking: other features now need thinking output as well
17443 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17445 if (oldState == newState) return;
17446 oldState = newState;
17447 if (gameMode == EditPosition) EditPositionDone(TRUE);
17449 SendToProgram("post\n", &first);
17450 if (gameMode == TwoMachinesPlay) {
17451 SendToProgram("post\n", &second);
17454 SendToProgram("nopost\n", &first);
17455 thinkOutput[0] = NULLCHAR;
17456 if (gameMode == TwoMachinesPlay) {
17457 SendToProgram("nopost\n", &second);
17460 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17464 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17466 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17467 if (pr == NoProc) return;
17468 AskQuestion(title, question, replyPrefix, pr);
17472 TypeInEvent (char firstChar)
17474 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17475 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17476 gameMode == AnalyzeMode || gameMode == EditGame ||
17477 gameMode == EditPosition || gameMode == IcsExamining ||
17478 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17479 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17480 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17481 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17482 gameMode == Training) PopUpMoveDialog(firstChar);
17486 TypeInDoneEvent (char *move)
17489 int n, fromX, fromY, toX, toY;
17491 ChessMove moveType;
17494 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17495 EditPositionPasteFEN(move);
17498 // [HGM] movenum: allow move number to be typed in any mode
17499 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17503 // undocumented kludge: allow command-line option to be typed in!
17504 // (potentially fatal, and does not implement the effect of the option.)
17505 // should only be used for options that are values on which future decisions will be made,
17506 // and definitely not on options that would be used during initialization.
17507 if(strstr(move, "!!! -") == move) {
17508 ParseArgsFromString(move+4);
17512 if (gameMode != EditGame && currentMove != forwardMostMove &&
17513 gameMode != Training) {
17514 DisplayMoveError(_("Displayed move is not current"));
17516 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17517 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17518 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17519 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17520 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17521 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17523 DisplayMoveError(_("Could not parse move"));
17529 DisplayMove (int moveNumber)
17531 char message[MSG_SIZ];
17533 char cpThinkOutput[MSG_SIZ];
17535 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17537 if (moveNumber == forwardMostMove - 1 ||
17538 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17540 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17542 if (strchr(cpThinkOutput, '\n')) {
17543 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17546 *cpThinkOutput = NULLCHAR;
17549 /* [AS] Hide thinking from human user */
17550 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17551 *cpThinkOutput = NULLCHAR;
17552 if( thinkOutput[0] != NULLCHAR ) {
17555 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17556 cpThinkOutput[i] = '.';
17558 cpThinkOutput[i] = NULLCHAR;
17559 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17563 if (moveNumber == forwardMostMove - 1 &&
17564 gameInfo.resultDetails != NULL) {
17565 if (gameInfo.resultDetails[0] == NULLCHAR) {
17566 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17568 snprintf(res, MSG_SIZ, " {%s} %s",
17569 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17575 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17576 DisplayMessage(res, cpThinkOutput);
17578 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17579 WhiteOnMove(moveNumber) ? " " : ".. ",
17580 parseList[moveNumber], res);
17581 DisplayMessage(message, cpThinkOutput);
17586 DisplayComment (int moveNumber, char *text)
17588 char title[MSG_SIZ];
17590 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17591 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17593 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17594 WhiteOnMove(moveNumber) ? " " : ".. ",
17595 parseList[moveNumber]);
17597 if (text != NULL && (appData.autoDisplayComment || commentUp))
17598 CommentPopUp(title, text);
17601 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17602 * might be busy thinking or pondering. It can be omitted if your
17603 * gnuchess is configured to stop thinking immediately on any user
17604 * input. However, that gnuchess feature depends on the FIONREAD
17605 * ioctl, which does not work properly on some flavors of Unix.
17608 Attention (ChessProgramState *cps)
17611 if (!cps->useSigint) return;
17612 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17613 switch (gameMode) {
17614 case MachinePlaysWhite:
17615 case MachinePlaysBlack:
17616 case TwoMachinesPlay:
17617 case IcsPlayingWhite:
17618 case IcsPlayingBlack:
17621 /* Skip if we know it isn't thinking */
17622 if (!cps->maybeThinking) return;
17623 if (appData.debugMode)
17624 fprintf(debugFP, "Interrupting %s\n", cps->which);
17625 InterruptChildProcess(cps->pr);
17626 cps->maybeThinking = FALSE;
17631 #endif /*ATTENTION*/
17637 if (whiteTimeRemaining <= 0) {
17640 if (appData.icsActive) {
17641 if (appData.autoCallFlag &&
17642 gameMode == IcsPlayingBlack && !blackFlag) {
17643 SendToICS(ics_prefix);
17644 SendToICS("flag\n");
17648 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17650 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17651 if (appData.autoCallFlag) {
17652 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17659 if (blackTimeRemaining <= 0) {
17662 if (appData.icsActive) {
17663 if (appData.autoCallFlag &&
17664 gameMode == IcsPlayingWhite && !whiteFlag) {
17665 SendToICS(ics_prefix);
17666 SendToICS("flag\n");
17670 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17672 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17673 if (appData.autoCallFlag) {
17674 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17685 CheckTimeControl ()
17687 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17688 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17691 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17693 if ( !WhiteOnMove(forwardMostMove) ) {
17694 /* White made time control */
17695 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17696 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17697 /* [HGM] time odds: correct new time quota for time odds! */
17698 / WhitePlayer()->timeOdds;
17699 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17701 lastBlack -= blackTimeRemaining;
17702 /* Black made time control */
17703 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17704 / WhitePlayer()->other->timeOdds;
17705 lastWhite = whiteTimeRemaining;
17710 DisplayBothClocks ()
17712 int wom = gameMode == EditPosition ?
17713 !blackPlaysFirst : WhiteOnMove(currentMove);
17714 DisplayWhiteClock(whiteTimeRemaining, wom);
17715 DisplayBlackClock(blackTimeRemaining, !wom);
17719 /* Timekeeping seems to be a portability nightmare. I think everyone
17720 has ftime(), but I'm really not sure, so I'm including some ifdefs
17721 to use other calls if you don't. Clocks will be less accurate if
17722 you have neither ftime nor gettimeofday.
17725 /* VS 2008 requires the #include outside of the function */
17726 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17727 #include <sys/timeb.h>
17730 /* Get the current time as a TimeMark */
17732 GetTimeMark (TimeMark *tm)
17734 #if HAVE_GETTIMEOFDAY
17736 struct timeval timeVal;
17737 struct timezone timeZone;
17739 gettimeofday(&timeVal, &timeZone);
17740 tm->sec = (long) timeVal.tv_sec;
17741 tm->ms = (int) (timeVal.tv_usec / 1000L);
17743 #else /*!HAVE_GETTIMEOFDAY*/
17746 // include <sys/timeb.h> / moved to just above start of function
17747 struct timeb timeB;
17750 tm->sec = (long) timeB.time;
17751 tm->ms = (int) timeB.millitm;
17753 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17754 tm->sec = (long) time(NULL);
17760 /* Return the difference in milliseconds between two
17761 time marks. We assume the difference will fit in a long!
17764 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17766 return 1000L*(tm2->sec - tm1->sec) +
17767 (long) (tm2->ms - tm1->ms);
17772 * Code to manage the game clocks.
17774 * In tournament play, black starts the clock and then white makes a move.
17775 * We give the human user a slight advantage if he is playing white---the
17776 * clocks don't run until he makes his first move, so it takes zero time.
17777 * Also, we don't account for network lag, so we could get out of sync
17778 * with GNU Chess's clock -- but then, referees are always right.
17781 static TimeMark tickStartTM;
17782 static long intendedTickLength;
17785 NextTickLength (long timeRemaining)
17787 long nominalTickLength, nextTickLength;
17789 if (timeRemaining > 0L && timeRemaining <= 10000L)
17790 nominalTickLength = 100L;
17792 nominalTickLength = 1000L;
17793 nextTickLength = timeRemaining % nominalTickLength;
17794 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17796 return nextTickLength;
17799 /* Adjust clock one minute up or down */
17801 AdjustClock (Boolean which, int dir)
17803 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17804 if(which) blackTimeRemaining += 60000*dir;
17805 else whiteTimeRemaining += 60000*dir;
17806 DisplayBothClocks();
17807 adjustedClock = TRUE;
17810 /* Stop clocks and reset to a fresh time control */
17814 (void) StopClockTimer();
17815 if (appData.icsActive) {
17816 whiteTimeRemaining = blackTimeRemaining = 0;
17817 } else if (searchTime) {
17818 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17819 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17820 } else { /* [HGM] correct new time quote for time odds */
17821 whiteTC = blackTC = fullTimeControlString;
17822 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17823 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17825 if (whiteFlag || blackFlag) {
17827 whiteFlag = blackFlag = FALSE;
17829 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17830 DisplayBothClocks();
17831 adjustedClock = FALSE;
17834 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17836 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17838 /* Decrement running clock by amount of time that has passed */
17843 long lastTickLength, fudge;
17846 if (!appData.clockMode) return;
17847 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17851 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17853 /* Fudge if we woke up a little too soon */
17854 fudge = intendedTickLength - lastTickLength;
17855 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17857 if (WhiteOnMove(forwardMostMove)) {
17858 if(whiteNPS >= 0) lastTickLength = 0;
17859 tRemaining = whiteTimeRemaining -= lastTickLength;
17860 if( tRemaining < 0 && !appData.icsActive) {
17861 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17862 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17863 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17864 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17867 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
17868 DisplayWhiteClock(whiteTimeRemaining - fudge,
17869 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17872 if(blackNPS >= 0) lastTickLength = 0;
17873 tRemaining = blackTimeRemaining -= lastTickLength;
17874 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17875 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17877 blackStartMove = forwardMostMove;
17878 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17881 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
17882 DisplayBlackClock(blackTimeRemaining - fudge,
17883 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17886 if (CheckFlags()) return;
17888 if(twoBoards) { // count down secondary board's clocks as well
17889 activePartnerTime -= lastTickLength;
17891 if(activePartner == 'W')
17892 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17894 DisplayBlackClock(activePartnerTime, TRUE);
17899 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
17900 StartClockTimer(intendedTickLength);
17902 /* if the time remaining has fallen below the alarm threshold, sound the
17903 * alarm. if the alarm has sounded and (due to a takeback or time control
17904 * with increment) the time remaining has increased to a level above the
17905 * threshold, reset the alarm so it can sound again.
17908 if (appData.icsActive && appData.icsAlarm) {
17910 /* make sure we are dealing with the user's clock */
17911 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17912 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17915 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
17916 alarmSounded = FALSE;
17917 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
17919 alarmSounded = TRUE;
17925 /* A player has just moved, so stop the previously running
17926 clock and (if in clock mode) start the other one.
17927 We redisplay both clocks in case we're in ICS mode, because
17928 ICS gives us an update to both clocks after every move.
17929 Note that this routine is called *after* forwardMostMove
17930 is updated, so the last fractional tick must be subtracted
17931 from the color that is *not* on move now.
17934 SwitchClocks (int newMoveNr)
17936 long lastTickLength;
17938 int flagged = FALSE;
17942 if (StopClockTimer() && appData.clockMode) {
17943 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17944 if (!WhiteOnMove(forwardMostMove)) {
17945 if(blackNPS >= 0) lastTickLength = 0;
17946 blackTimeRemaining -= lastTickLength;
17947 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17948 // if(pvInfoList[forwardMostMove].time == -1)
17949 pvInfoList[forwardMostMove].time = // use GUI time
17950 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17952 if(whiteNPS >= 0) lastTickLength = 0;
17953 whiteTimeRemaining -= lastTickLength;
17954 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17955 // if(pvInfoList[forwardMostMove].time == -1)
17956 pvInfoList[forwardMostMove].time =
17957 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17959 flagged = CheckFlags();
17961 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17962 CheckTimeControl();
17964 if (flagged || !appData.clockMode) return;
17966 switch (gameMode) {
17967 case MachinePlaysBlack:
17968 case MachinePlaysWhite:
17969 case BeginningOfGame:
17970 if (pausing) return;
17974 case PlayFromGameFile:
17982 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17983 if(WhiteOnMove(forwardMostMove))
17984 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17985 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17989 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17990 whiteTimeRemaining : blackTimeRemaining);
17991 StartClockTimer(intendedTickLength);
17995 /* Stop both clocks */
17999 long lastTickLength;
18002 if (!StopClockTimer()) return;
18003 if (!appData.clockMode) return;
18007 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18008 if (WhiteOnMove(forwardMostMove)) {
18009 if(whiteNPS >= 0) lastTickLength = 0;
18010 whiteTimeRemaining -= lastTickLength;
18011 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18013 if(blackNPS >= 0) lastTickLength = 0;
18014 blackTimeRemaining -= lastTickLength;
18015 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18020 /* Start clock of player on move. Time may have been reset, so
18021 if clock is already running, stop and restart it. */
18025 (void) StopClockTimer(); /* in case it was running already */
18026 DisplayBothClocks();
18027 if (CheckFlags()) return;
18029 if (!appData.clockMode) return;
18030 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18032 GetTimeMark(&tickStartTM);
18033 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18034 whiteTimeRemaining : blackTimeRemaining);
18036 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18037 whiteNPS = blackNPS = -1;
18038 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18039 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18040 whiteNPS = first.nps;
18041 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18042 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18043 blackNPS = first.nps;
18044 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18045 whiteNPS = second.nps;
18046 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18047 blackNPS = second.nps;
18048 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18050 StartClockTimer(intendedTickLength);
18054 TimeString (long ms)
18056 long second, minute, hour, day;
18058 static char buf[40], moveTime[8];
18060 if (ms > 0 && ms <= 9900) {
18061 /* convert milliseconds to tenths, rounding up */
18062 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18064 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18068 /* convert milliseconds to seconds, rounding up */
18069 /* use floating point to avoid strangeness of integer division
18070 with negative dividends on many machines */
18071 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18078 day = second / (60 * 60 * 24);
18079 second = second % (60 * 60 * 24);
18080 hour = second / (60 * 60);
18081 second = second % (60 * 60);
18082 minute = second / 60;
18083 second = second % 60;
18085 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18086 else *moveTime = NULLCHAR;
18089 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18090 sign, day, hour, minute, second, moveTime);
18092 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18094 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18101 * This is necessary because some C libraries aren't ANSI C compliant yet.
18104 StrStr (char *string, char *match)
18108 length = strlen(match);
18110 for (i = strlen(string) - length; i >= 0; i--, string++)
18111 if (!strncmp(match, string, length))
18118 StrCaseStr (char *string, char *match)
18122 length = strlen(match);
18124 for (i = strlen(string) - length; i >= 0; i--, string++) {
18125 for (j = 0; j < length; j++) {
18126 if (ToLower(match[j]) != ToLower(string[j]))
18129 if (j == length) return string;
18137 StrCaseCmp (char *s1, char *s2)
18142 c1 = ToLower(*s1++);
18143 c2 = ToLower(*s2++);
18144 if (c1 > c2) return 1;
18145 if (c1 < c2) return -1;
18146 if (c1 == NULLCHAR) return 0;
18154 return isupper(c) ? tolower(c) : c;
18161 return islower(c) ? toupper(c) : c;
18163 #endif /* !_amigados */
18170 if ((ret = (char *) malloc(strlen(s) + 1)))
18172 safeStrCpy(ret, s, strlen(s)+1);
18178 StrSavePtr (char *s, char **savePtr)
18183 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18184 safeStrCpy(*savePtr, s, strlen(s)+1);
18196 clock = time((time_t *)NULL);
18197 tm = localtime(&clock);
18198 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18199 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18200 return StrSave(buf);
18205 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18207 int i, j, fromX, fromY, toX, toY;
18208 int whiteToPlay, haveRights = nrCastlingRights;
18214 whiteToPlay = (gameMode == EditPosition) ?
18215 !blackPlaysFirst : (move % 2 == 0);
18218 /* Piece placement data */
18219 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18220 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18222 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18223 if (boards[move][i][j] == EmptySquare) {
18225 } else { ChessSquare piece = boards[move][i][j];
18226 if (emptycount > 0) {
18227 if(emptycount<10) /* [HGM] can be >= 10 */
18228 *p++ = '0' + emptycount;
18229 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18232 if(PieceToChar(piece) == '+') {
18233 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18235 piece = (ChessSquare)(CHUDEMOTED(piece));
18237 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18238 if(*p = PieceSuffix(piece)) p++;
18240 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18241 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18246 if (emptycount > 0) {
18247 if(emptycount<10) /* [HGM] can be >= 10 */
18248 *p++ = '0' + emptycount;
18249 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18256 /* [HGM] print Crazyhouse or Shogi holdings */
18257 if( gameInfo.holdingsWidth ) {
18258 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18260 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18261 piece = boards[move][i][BOARD_WIDTH-1];
18262 if( piece != EmptySquare )
18263 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18264 *p++ = PieceToChar(piece);
18266 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18267 piece = boards[move][BOARD_HEIGHT-i-1][0];
18268 if( piece != EmptySquare )
18269 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18270 *p++ = PieceToChar(piece);
18273 if( q == p ) *p++ = '-';
18279 *p++ = whiteToPlay ? 'w' : 'b';
18282 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18283 haveRights = 0; q = p;
18284 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18285 piece = boards[move][0][i];
18286 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18287 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18290 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18291 piece = boards[move][BOARD_HEIGHT-1][i];
18292 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18293 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18296 if(p == q) *p++ = '-';
18300 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18303 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18306 int handW=0, handB=0;
18307 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18308 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18309 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18312 if(appData.fischerCastling) {
18313 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18314 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18315 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18317 /* [HGM] write directly from rights */
18318 if(boards[move][CASTLING][2] != NoRights &&
18319 boards[move][CASTLING][0] != NoRights )
18320 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18321 if(boards[move][CASTLING][2] != NoRights &&
18322 boards[move][CASTLING][1] != NoRights )
18323 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18326 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18327 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18329 if(boards[move][CASTLING][5] != NoRights &&
18330 boards[move][CASTLING][3] != NoRights )
18331 *p++ = boards[move][CASTLING][3] + AAA;
18332 if(boards[move][CASTLING][5] != NoRights &&
18333 boards[move][CASTLING][4] != NoRights )
18334 *p++ = boards[move][CASTLING][4] + AAA;
18338 /* [HGM] write true castling rights */
18339 if( nrCastlingRights == 6 ) {
18341 if(boards[move][CASTLING][0] != NoRights &&
18342 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18343 q = (boards[move][CASTLING][1] != NoRights &&
18344 boards[move][CASTLING][2] != NoRights );
18345 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18346 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18347 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18348 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18352 if(boards[move][CASTLING][3] != NoRights &&
18353 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18354 q = (boards[move][CASTLING][4] != NoRights &&
18355 boards[move][CASTLING][5] != NoRights );
18357 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18358 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18359 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18364 if (q == p) *p++ = '-'; /* No castling rights */
18368 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18369 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18370 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18371 /* En passant target square */
18372 if (move > backwardMostMove) {
18373 fromX = moveList[move - 1][0] - AAA;
18374 fromY = moveList[move - 1][1] - ONE;
18375 toX = moveList[move - 1][2] - AAA;
18376 toY = moveList[move - 1][3] - ONE;
18377 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18378 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18379 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18381 /* 2-square pawn move just happened */
18383 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18387 } else if(move == backwardMostMove) {
18388 // [HGM] perhaps we should always do it like this, and forget the above?
18389 if((signed char)boards[move][EP_STATUS] >= 0) {
18390 *p++ = boards[move][EP_STATUS] + AAA;
18391 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18403 { int i = 0, j=move;
18405 /* [HGM] find reversible plies */
18406 if (appData.debugMode) { int k;
18407 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18408 for(k=backwardMostMove; k<=forwardMostMove; k++)
18409 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18413 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18414 if( j == backwardMostMove ) i += initialRulePlies;
18415 sprintf(p, "%d ", i);
18416 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18418 /* Fullmove number */
18419 sprintf(p, "%d", (move / 2) + 1);
18420 } else *--p = NULLCHAR;
18422 return StrSave(buf);
18426 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18428 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18430 int emptycount, virgin[BOARD_FILES];
18431 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18435 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18437 /* Piece placement data */
18438 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18441 if (*p == '/' || *p == ' ' || *p == '[' ) {
18443 emptycount = gameInfo.boardWidth - j;
18444 while (emptycount--)
18445 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18446 if (*p == '/') p++;
18447 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18448 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18449 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18451 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18454 #if(BOARD_FILES >= 10)*0
18455 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18456 p++; emptycount=10;
18457 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18458 while (emptycount--)
18459 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18461 } else if (*p == '*') {
18462 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18463 } else if (isdigit(*p)) {
18464 emptycount = *p++ - '0';
18465 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18466 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18467 while (emptycount--)
18468 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18469 } else if (*p == '<') {
18470 if(i == BOARD_HEIGHT-1) shuffle = 1;
18471 else if (i != 0 || !shuffle) return FALSE;
18473 } else if (shuffle && *p == '>') {
18474 p++; // for now ignore closing shuffle range, and assume rank-end
18475 } else if (*p == '?') {
18476 if (j >= gameInfo.boardWidth) return FALSE;
18477 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18478 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18479 } else if (*p == '+' || isalpha(*p)) {
18480 char *q, *s = SUFFIXES;
18481 if (j >= gameInfo.boardWidth) return FALSE;
18484 if(q = strchr(s, p[1])) p++;
18485 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18486 if(piece == EmptySquare) return FALSE; /* unknown piece */
18487 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18488 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18491 if(q = strchr(s, *p)) p++;
18492 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18495 if(piece==EmptySquare) return FALSE; /* unknown piece */
18496 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18497 piece = (ChessSquare) (PROMOTED(piece));
18498 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18501 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18502 if(piece == king) wKingRank = i;
18503 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18509 while (*p == '/' || *p == ' ') p++;
18511 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18513 /* [HGM] by default clear Crazyhouse holdings, if present */
18514 if(gameInfo.holdingsWidth) {
18515 for(i=0; i<BOARD_HEIGHT; i++) {
18516 board[i][0] = EmptySquare; /* black holdings */
18517 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18518 board[i][1] = (ChessSquare) 0; /* black counts */
18519 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18523 /* [HGM] look for Crazyhouse holdings here */
18524 while(*p==' ') p++;
18525 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18526 int swap=0, wcnt=0, bcnt=0;
18528 if(*p == '<') swap++, p++;
18529 if(*p == '-' ) p++; /* empty holdings */ else {
18530 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18531 /* if we would allow FEN reading to set board size, we would */
18532 /* have to add holdings and shift the board read so far here */
18533 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18535 if((int) piece >= (int) BlackPawn ) {
18536 i = (int)piece - (int)BlackPawn;
18537 i = PieceToNumber((ChessSquare)i);
18538 if( i >= gameInfo.holdingsSize ) return FALSE;
18539 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18540 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18543 i = (int)piece - (int)WhitePawn;
18544 i = PieceToNumber((ChessSquare)i);
18545 if( i >= gameInfo.holdingsSize ) return FALSE;
18546 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18547 board[i][BOARD_WIDTH-2]++; /* black holdings */
18551 if(subst) { // substitute back-rank question marks by holdings pieces
18552 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18553 int k, m, n = bcnt + 1;
18554 if(board[0][j] == ClearBoard) {
18555 if(!wcnt) return FALSE;
18557 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18558 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18559 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18563 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18564 if(!bcnt) return FALSE;
18565 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18566 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18567 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18568 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18579 if(subst) return FALSE; // substitution requested, but no holdings
18581 while(*p == ' ') p++;
18585 if(appData.colorNickNames) {
18586 if( c == appData.colorNickNames[0] ) c = 'w'; else
18587 if( c == appData.colorNickNames[1] ) c = 'b';
18591 *blackPlaysFirst = FALSE;
18594 *blackPlaysFirst = TRUE;
18600 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18601 /* return the extra info in global variiables */
18603 while(*p==' ') p++;
18605 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18606 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18607 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18610 /* set defaults in case FEN is incomplete */
18611 board[EP_STATUS] = EP_UNKNOWN;
18612 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18613 for(i=0; i<nrCastlingRights; i++ ) {
18614 board[CASTLING][i] =
18615 appData.fischerCastling ? NoRights : initialRights[i];
18616 } /* assume possible unless obviously impossible */
18617 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18618 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18619 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18620 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18621 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18622 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18623 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18624 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18627 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18630 while(isalpha(*p)) {
18631 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18632 if(islower(*p)) b |= 1 << (*p++ - 'a');
18636 board[TOUCHED_W] = ~w;
18637 board[TOUCHED_B] = ~b;
18638 while(*p == ' ') p++;
18642 if(nrCastlingRights) {
18644 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18645 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18646 /* castling indicator present, so default becomes no castlings */
18647 for(i=0; i<nrCastlingRights; i++ ) {
18648 board[CASTLING][i] = NoRights;
18651 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18652 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18653 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18654 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18655 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18657 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18658 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18659 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18661 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18662 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18663 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18664 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18665 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18666 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18669 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18670 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18671 board[CASTLING][2] = whiteKingFile;
18672 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18673 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18674 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18677 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18678 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18679 board[CASTLING][2] = whiteKingFile;
18680 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18681 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18682 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18685 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18686 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18687 board[CASTLING][5] = blackKingFile;
18688 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18689 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18690 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18693 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18694 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18695 board[CASTLING][5] = blackKingFile;
18696 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18697 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18698 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18701 default: /* FRC castlings */
18702 if(c >= 'a') { /* black rights */
18703 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18704 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18705 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18706 if(i == BOARD_RGHT) break;
18707 board[CASTLING][5] = i;
18709 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18710 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18712 board[CASTLING][3] = c;
18714 board[CASTLING][4] = c;
18715 } else { /* white rights */
18716 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18717 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18718 if(board[0][i] == WhiteKing) break;
18719 if(i == BOARD_RGHT) break;
18720 board[CASTLING][2] = i;
18721 c -= AAA - 'a' + 'A';
18722 if(board[0][c] >= WhiteKing) break;
18724 board[CASTLING][0] = c;
18726 board[CASTLING][1] = c;
18730 for(i=0; i<nrCastlingRights; i++)
18731 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18732 if(gameInfo.variant == VariantSChess)
18733 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18734 if(fischer && shuffle) appData.fischerCastling = TRUE;
18735 if (appData.debugMode) {
18736 fprintf(debugFP, "FEN castling rights:");
18737 for(i=0; i<nrCastlingRights; i++)
18738 fprintf(debugFP, " %d", board[CASTLING][i]);
18739 fprintf(debugFP, "\n");
18742 while(*p==' ') p++;
18745 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18747 /* read e.p. field in games that know e.p. capture */
18748 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18749 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18750 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18752 p++; board[EP_STATUS] = EP_NONE;
18754 char c = *p++ - AAA;
18756 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18757 if(*p >= '0' && *p <='9') p++;
18758 board[EP_STATUS] = c;
18763 if(sscanf(p, "%d", &i) == 1) {
18764 FENrulePlies = i; /* 50-move ply counter */
18765 /* (The move number is still ignored) */
18772 EditPositionPasteFEN (char *fen)
18775 Board initial_position;
18777 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18778 DisplayError(_("Bad FEN position in clipboard"), 0);
18781 int savedBlackPlaysFirst = blackPlaysFirst;
18782 EditPositionEvent();
18783 blackPlaysFirst = savedBlackPlaysFirst;
18784 CopyBoard(boards[0], initial_position);
18785 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18786 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18787 DisplayBothClocks();
18788 DrawPosition(FALSE, boards[currentMove]);
18793 static char cseq[12] = "\\ ";
18796 set_cont_sequence (char *new_seq)
18801 // handle bad attempts to set the sequence
18803 return 0; // acceptable error - no debug
18805 len = strlen(new_seq);
18806 ret = (len > 0) && (len < sizeof(cseq));
18808 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18809 else if (appData.debugMode)
18810 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18815 reformat a source message so words don't cross the width boundary. internal
18816 newlines are not removed. returns the wrapped size (no null character unless
18817 included in source message). If dest is NULL, only calculate the size required
18818 for the dest buffer. lp argument indicats line position upon entry, and it's
18819 passed back upon exit.
18822 wrap (char *dest, char *src, int count, int width, int *lp)
18824 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18826 cseq_len = strlen(cseq);
18827 old_line = line = *lp;
18828 ansi = len = clen = 0;
18830 for (i=0; i < count; i++)
18832 if (src[i] == '\033')
18835 // if we hit the width, back up
18836 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18838 // store i & len in case the word is too long
18839 old_i = i, old_len = len;
18841 // find the end of the last word
18842 while (i && src[i] != ' ' && src[i] != '\n')
18848 // word too long? restore i & len before splitting it
18849 if ((old_i-i+clen) >= width)
18856 if (i && src[i-1] == ' ')
18859 if (src[i] != ' ' && src[i] != '\n')
18866 // now append the newline and continuation sequence
18871 strncpy(dest+len, cseq, cseq_len);
18879 dest[len] = src[i];
18883 if (src[i] == '\n')
18888 if (dest && appData.debugMode)
18890 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18891 count, width, line, len, *lp);
18892 show_bytes(debugFP, src, count);
18893 fprintf(debugFP, "\ndest: ");
18894 show_bytes(debugFP, dest, len);
18895 fprintf(debugFP, "\n");
18897 *lp = dest ? line : old_line;
18902 // [HGM] vari: routines for shelving variations
18903 Boolean modeRestore = FALSE;
18906 PushInner (int firstMove, int lastMove)
18908 int i, j, nrMoves = lastMove - firstMove;
18910 // push current tail of game on stack
18911 savedResult[storedGames] = gameInfo.result;
18912 savedDetails[storedGames] = gameInfo.resultDetails;
18913 gameInfo.resultDetails = NULL;
18914 savedFirst[storedGames] = firstMove;
18915 savedLast [storedGames] = lastMove;
18916 savedFramePtr[storedGames] = framePtr;
18917 framePtr -= nrMoves; // reserve space for the boards
18918 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18919 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18920 for(j=0; j<MOVE_LEN; j++)
18921 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18922 for(j=0; j<2*MOVE_LEN; j++)
18923 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18924 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18925 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18926 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18927 pvInfoList[firstMove+i-1].depth = 0;
18928 commentList[framePtr+i] = commentList[firstMove+i];
18929 commentList[firstMove+i] = NULL;
18933 forwardMostMove = firstMove; // truncate game so we can start variation
18937 PushTail (int firstMove, int lastMove)
18939 if(appData.icsActive) { // only in local mode
18940 forwardMostMove = currentMove; // mimic old ICS behavior
18943 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18945 PushInner(firstMove, lastMove);
18946 if(storedGames == 1) GreyRevert(FALSE);
18947 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18951 PopInner (Boolean annotate)
18954 char buf[8000], moveBuf[20];
18956 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18957 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18958 nrMoves = savedLast[storedGames] - currentMove;
18961 if(!WhiteOnMove(currentMove))
18962 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18963 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18964 for(i=currentMove; i<forwardMostMove; i++) {
18966 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18967 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18968 strcat(buf, moveBuf);
18969 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18970 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18974 for(i=1; i<=nrMoves; i++) { // copy last variation back
18975 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18976 for(j=0; j<MOVE_LEN; j++)
18977 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18978 for(j=0; j<2*MOVE_LEN; j++)
18979 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18980 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18981 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18982 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18983 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18984 commentList[currentMove+i] = commentList[framePtr+i];
18985 commentList[framePtr+i] = NULL;
18987 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18988 framePtr = savedFramePtr[storedGames];
18989 gameInfo.result = savedResult[storedGames];
18990 if(gameInfo.resultDetails != NULL) {
18991 free(gameInfo.resultDetails);
18993 gameInfo.resultDetails = savedDetails[storedGames];
18994 forwardMostMove = currentMove + nrMoves;
18998 PopTail (Boolean annotate)
19000 if(appData.icsActive) return FALSE; // only in local mode
19001 if(!storedGames) return FALSE; // sanity
19002 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19004 PopInner(annotate);
19005 if(currentMove < forwardMostMove) ForwardEvent(); else
19006 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19008 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19014 { // remove all shelved variations
19016 for(i=0; i<storedGames; i++) {
19017 if(savedDetails[i])
19018 free(savedDetails[i]);
19019 savedDetails[i] = NULL;
19021 for(i=framePtr; i<MAX_MOVES; i++) {
19022 if(commentList[i]) free(commentList[i]);
19023 commentList[i] = NULL;
19025 framePtr = MAX_MOVES-1;
19030 LoadVariation (int index, char *text)
19031 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19032 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19033 int level = 0, move;
19035 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19036 // first find outermost bracketing variation
19037 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19038 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19039 if(*p == '{') wait = '}'; else
19040 if(*p == '[') wait = ']'; else
19041 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19042 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19044 if(*p == wait) wait = NULLCHAR; // closing ]} found
19047 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19048 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19049 end[1] = NULLCHAR; // clip off comment beyond variation
19050 ToNrEvent(currentMove-1);
19051 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19052 // kludge: use ParsePV() to append variation to game
19053 move = currentMove;
19054 ParsePV(start, TRUE, TRUE);
19055 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19056 ClearPremoveHighlights();
19058 ToNrEvent(currentMove+1);
19061 int transparency[2];
19066 char *p, *q, buf[MSG_SIZ];
19067 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19068 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
19069 ParseArgsFromString(buf);
19070 ActivateTheme(TRUE); // also redo colors
19074 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19077 q = appData.themeNames;
19078 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
19079 if(appData.useBitmaps) {
19080 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
19081 appData.liteBackTextureFile, appData.darkBackTextureFile,
19082 appData.liteBackTextureMode,
19083 appData.darkBackTextureMode );
19085 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false");
19087 if(!appData.useBitmaps || transparency[0]) {
19088 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19090 if(!appData.useBitmaps || transparency[1]) {
19091 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19093 if(appData.useBorder) {
19094 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
19097 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
19099 if(appData.useFont) {
19100 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19101 appData.renderPiecesWithFont,
19102 appData.fontToPieceTable,
19103 Col2Text(9), // appData.fontBackColorWhite
19104 Col2Text(10) ); // appData.fontForeColorBlack
19106 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false");
19107 if(appData.pieceDirectory[0]) {
19108 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -pid \"%s\"", appData.pieceDirectory);
19109 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19110 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19112 if(!appData.pieceDirectory[0] && !appData.trueColors)
19113 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
19114 Col2Text(0), // whitePieceColor
19115 Col2Text(1) ); // blackPieceColor
19117 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19118 Col2Text(4), // highlightSquareColor
19119 Col2Text(5) ); // premoveHighlightColor
19120 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19121 if(insert != q) insert[-1] = NULLCHAR;
19122 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19125 ActivateTheme(FALSE);