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 */
264 int deadRanks, handSize, handOffsets;
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, *currentEngine[2]; // 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 ASSIGN(currentEngine[i], engineLine);
992 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
993 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
994 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
995 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
996 appData.firstProtocolVersion = PROTOVER;
997 ParseArgsFromString(buf);
999 ReplaceEngine(cps, i);
1000 FloatToFront(&appData.recentEngineList, engineLine);
1001 if(gameMode == BeginningOfGame) Reset(TRUE, TRUE);
1005 while(q = strchr(p, SLASH)) p = q+1;
1006 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1007 if(engineDir[0] != NULLCHAR) {
1008 ASSIGN(appData.directory[i], engineDir); p = engineName;
1009 } else if(p != engineName) { // derive directory from engine path, when not given
1011 ASSIGN(appData.directory[i], engineName);
1013 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1014 } else { ASSIGN(appData.directory[i], "."); }
1015 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1017 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1018 snprintf(command, MSG_SIZ, "%s %s", p, params);
1021 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1022 ASSIGN(appData.chessProgram[i], p);
1023 appData.isUCI[i] = isUCI;
1024 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1025 appData.hasOwnBookUCI[i] = hasBook;
1026 if(!nickName[0]) useNick = FALSE;
1027 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1031 q = firstChessProgramNames;
1032 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1033 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1034 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s",
1035 quote, p, quote, appData.directory[i],
1036 useNick ? " -fn \"" : "",
1037 useNick ? nickName : "",
1038 useNick ? "\"" : "",
1039 v1 ? " -firstProtocolVersion 1" : "",
1040 hasBook ? "" : " -fNoOwnBookUCI",
1041 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1042 storeVariant ? " -variant " : "",
1043 storeVariant ? VariantName(gameInfo.variant) : "");
1044 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " %s", wbOptions);
1045 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 2);
1046 if(insert != q) insert[-1] = NULLCHAR;
1047 snprintf(firstChessProgramNames, len, "%s\n%s\n%s", q, buf, insert);
1049 FloatToFront(&appData.recentEngineList, buf);
1050 ASSIGN(currentEngine[i], buf);
1052 ReplaceEngine(cps, i);
1058 int matched, min, sec;
1060 * Parse timeControl resource
1062 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1063 appData.movesPerSession)) {
1065 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1066 DisplayFatalError(buf, 0, 2);
1070 * Parse searchTime resource
1072 if (*appData.searchTime != NULLCHAR) {
1073 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1075 searchTime = min * 60;
1076 } else if (matched == 2) {
1077 searchTime = min * 60 + sec;
1080 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1081 DisplayFatalError(buf, 0, 2);
1090 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1091 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1093 GetTimeMark(&programStartTime);
1094 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1095 appData.seedBase = random() + (random()<<15);
1096 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1098 ClearProgramStats();
1099 programStats.ok_to_send = 1;
1100 programStats.seen_stat = 0;
1103 * Initialize game list
1109 * Internet chess server status
1111 if (appData.icsActive) {
1112 appData.matchMode = FALSE;
1113 appData.matchGames = 0;
1115 appData.noChessProgram = !appData.zippyPlay;
1117 appData.zippyPlay = FALSE;
1118 appData.zippyTalk = FALSE;
1119 appData.noChessProgram = TRUE;
1121 if (*appData.icsHelper != NULLCHAR) {
1122 appData.useTelnet = TRUE;
1123 appData.telnetProgram = appData.icsHelper;
1126 appData.zippyTalk = appData.zippyPlay = FALSE;
1129 /* [AS] Initialize pv info list [HGM] and game state */
1133 for( i=0; i<=framePtr; i++ ) {
1134 pvInfoList[i].depth = -1;
1135 boards[i][EP_STATUS] = EP_NONE;
1136 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1142 /* [AS] Adjudication threshold */
1143 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1145 InitEngine(&first, 0);
1146 InitEngine(&second, 1);
1149 pairing.which = "pairing"; // pairing engine
1150 pairing.pr = NoProc;
1152 pairing.program = appData.pairingEngine;
1153 pairing.host = "localhost";
1156 if (appData.icsActive) {
1157 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1158 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1159 appData.clockMode = FALSE;
1160 first.sendTime = second.sendTime = 0;
1164 /* Override some settings from environment variables, for backward
1165 compatibility. Unfortunately it's not feasible to have the env
1166 vars just set defaults, at least in xboard. Ugh.
1168 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1173 if (!appData.icsActive) {
1177 /* Check for variants that are supported only in ICS mode,
1178 or not at all. Some that are accepted here nevertheless
1179 have bugs; see comments below.
1181 VariantClass variant = StringToVariant(appData.variant);
1183 case VariantBughouse: /* need four players and two boards */
1184 case VariantKriegspiel: /* need to hide pieces and move details */
1185 /* case VariantFischeRandom: (Fabien: moved below) */
1186 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1187 if( (len >= MSG_SIZ) && appData.debugMode )
1188 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1190 DisplayFatalError(buf, 0, 2);
1193 case VariantUnknown:
1194 case VariantLoadable:
1204 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1205 if( (len >= MSG_SIZ) && appData.debugMode )
1206 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1208 DisplayFatalError(buf, 0, 2);
1211 case VariantNormal: /* definitely works! */
1212 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1213 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1216 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1217 case VariantFairy: /* [HGM] TestLegality definitely off! */
1218 case VariantGothic: /* [HGM] should work */
1219 case VariantCapablanca: /* [HGM] should work */
1220 case VariantCourier: /* [HGM] initial forced moves not implemented */
1221 case VariantShogi: /* [HGM] could still mate with pawn drop */
1222 case VariantChu: /* [HGM] experimental */
1223 case VariantKnightmate: /* [HGM] should work */
1224 case VariantCylinder: /* [HGM] untested */
1225 case VariantFalcon: /* [HGM] untested */
1226 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1227 offboard interposition not understood */
1228 case VariantWildCastle: /* pieces not automatically shuffled */
1229 case VariantNoCastle: /* pieces not automatically shuffled */
1230 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1231 case VariantLosers: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantSuicide: /* should work except for win condition,
1234 and doesn't know captures are mandatory */
1235 case VariantGiveaway: /* should work except for win condition,
1236 and doesn't know captures are mandatory */
1237 case VariantTwoKings: /* should work */
1238 case VariantAtomic: /* should work except for win condition */
1239 case Variant3Check: /* should work except for win condition */
1240 case VariantShatranj: /* should work except for all win conditions */
1241 case VariantMakruk: /* should work except for draw countdown */
1242 case VariantASEAN : /* should work except for draw countdown */
1243 case VariantBerolina: /* might work if TestLegality is off */
1244 case VariantCapaRandom: /* should work */
1245 case VariantJanus: /* should work */
1246 case VariantSuper: /* experimental */
1247 case VariantGreat: /* experimental, requires legality testing to be off */
1248 case VariantSChess: /* S-Chess, should work */
1249 case VariantGrand: /* should work */
1250 case VariantSpartan: /* should work */
1251 case VariantLion: /* should work */
1252 case VariantChuChess: /* should work */
1260 NextIntegerFromString (char ** str, long * value)
1265 while( *s == ' ' || *s == '\t' ) {
1271 if( *s >= '0' && *s <= '9' ) {
1272 while( *s >= '0' && *s <= '9' ) {
1273 *value = *value * 10 + (*s - '0');
1286 NextTimeControlFromString (char ** str, long * value)
1289 int result = NextIntegerFromString( str, &temp );
1292 *value = temp * 60; /* Minutes */
1293 if( **str == ':' ) {
1295 result = NextIntegerFromString( str, &temp );
1296 *value += temp; /* Seconds */
1304 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1305 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1306 int result = -1, type = 0; long temp, temp2;
1308 if(**str != ':') return -1; // old params remain in force!
1310 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1311 if( NextIntegerFromString( str, &temp ) ) return -1;
1312 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1315 /* time only: incremental or sudden-death time control */
1316 if(**str == '+') { /* increment follows; read it */
1318 if(**str == '!') type = *(*str)++; // Bronstein TC
1319 if(result = NextIntegerFromString( str, &temp2)) return -1;
1320 *inc = temp2 * 1000;
1321 if(**str == '.') { // read fraction of increment
1322 char *start = ++(*str);
1323 if(result = NextIntegerFromString( str, &temp2)) return -1;
1325 while(start++ < *str) temp2 /= 10;
1329 *moves = 0; *tc = temp * 1000; *incType = type;
1333 (*str)++; /* classical time control */
1334 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1346 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1347 { /* [HGM] get time to add from the multi-session time-control string */
1348 int incType, moves=1; /* kludge to force reading of first session */
1349 long time, increment;
1352 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1354 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1355 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1356 if(movenr == -1) return time; /* last move before new session */
1357 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1358 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1359 if(!moves) return increment; /* current session is incremental */
1360 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1361 } while(movenr >= -1); /* try again for next session */
1363 return 0; // no new time quota on this move
1367 ParseTimeControl (char *tc, float ti, int mps)
1371 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1374 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1375 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1376 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1380 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1382 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1385 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1387 snprintf(buf, MSG_SIZ, ":%s", mytc);
1389 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1391 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1396 /* Parse second time control */
1399 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1407 timeControl_2 = tc2 * 1000;
1417 timeControl = tc1 * 1000;
1420 timeIncrement = ti * 1000; /* convert to ms */
1421 movesPerSession = 0;
1424 movesPerSession = mps;
1432 if (appData.debugMode) {
1433 # ifdef __GIT_VERSION
1434 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1436 fprintf(debugFP, "Version: %s\n", programVersion);
1439 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1441 set_cont_sequence(appData.wrapContSeq);
1442 if (appData.matchGames > 0) {
1443 appData.matchMode = TRUE;
1444 } else if (appData.matchMode) {
1445 appData.matchGames = 1;
1447 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1448 appData.matchGames = appData.sameColorGames;
1449 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1450 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1451 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1454 if (appData.noChessProgram || first.protocolVersion == 1) {
1457 /* kludge: allow timeout for initial "feature" commands */
1459 DisplayMessage("", _("Starting chess program"));
1460 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1465 CalculateIndex (int index, int gameNr)
1466 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1468 if(index > 0) return index; // fixed nmber
1469 if(index == 0) return 1;
1470 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1471 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1476 LoadGameOrPosition (int gameNr)
1477 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1478 if (*appData.loadGameFile != NULLCHAR) {
1479 if (!LoadGameFromFile(appData.loadGameFile,
1480 CalculateIndex(appData.loadGameIndex, gameNr),
1481 appData.loadGameFile, FALSE)) {
1482 DisplayFatalError(_("Bad game file"), 0, 1);
1485 } else if (*appData.loadPositionFile != NULLCHAR) {
1486 if (!LoadPositionFromFile(appData.loadPositionFile,
1487 CalculateIndex(appData.loadPositionIndex, gameNr),
1488 appData.loadPositionFile)) {
1489 DisplayFatalError(_("Bad position file"), 0, 1);
1497 ReserveGame (int gameNr, char resChar)
1499 FILE *tf = fopen(appData.tourneyFile, "r+");
1500 char *p, *q, c, buf[MSG_SIZ];
1501 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1502 safeStrCpy(buf, lastMsg, MSG_SIZ);
1503 DisplayMessage(_("Pick new game"), "");
1504 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1505 ParseArgsFromFile(tf);
1506 p = q = appData.results;
1507 if(appData.debugMode) {
1508 char *r = appData.participants;
1509 fprintf(debugFP, "results = '%s'\n", p);
1510 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1511 fprintf(debugFP, "\n");
1513 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1515 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1516 safeStrCpy(q, p, strlen(p) + 2);
1517 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1518 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1519 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1520 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1523 fseek(tf, -(strlen(p)+4), SEEK_END);
1525 if(c != '"') // depending on DOS or Unix line endings we can be one off
1526 fseek(tf, -(strlen(p)+2), SEEK_END);
1527 else fseek(tf, -(strlen(p)+3), SEEK_END);
1528 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1529 DisplayMessage(buf, "");
1530 free(p); appData.results = q;
1531 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1532 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1533 int round = appData.defaultMatchGames * appData.tourneyType;
1534 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1535 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1536 UnloadEngine(&first); // next game belongs to other pairing;
1537 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1539 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1543 MatchEvent (int mode)
1544 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1546 if(matchMode) { // already in match mode: switch it off
1548 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1551 // if(gameMode != BeginningOfGame) {
1552 // DisplayError(_("You can only start a match from the initial position."), 0);
1556 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1557 /* Set up machine vs. machine match */
1559 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1560 if(appData.tourneyFile[0]) {
1562 if(nextGame > appData.matchGames) {
1564 if(strchr(appData.results, '*') == NULL) {
1566 appData.tourneyCycles++;
1567 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1569 NextTourneyGame(-1, &dummy);
1571 if(nextGame <= appData.matchGames) {
1572 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1574 ScheduleDelayedEvent(NextMatchGame, 10000);
1579 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1580 DisplayError(buf, 0);
1581 appData.tourneyFile[0] = 0;
1585 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1586 DisplayFatalError(_("Can't have a match with no chess programs"),
1591 matchGame = roundNr = 1;
1592 first.matchWins = second.matchWins = totalTime = 0; // [HGM] match: needed in later matches
1597 InitBackEnd3 P((void))
1599 GameMode initialMode;
1603 ParseFeatures(appData.features[0], &first);
1604 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1605 !strcmp(appData.variant, "normal") && // no explicit variant request
1606 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1607 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1608 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1609 char c, *q = first.variants, *p = strchr(q, ',');
1610 if(p) *p = NULLCHAR;
1611 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1613 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1614 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1615 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1616 Reset(TRUE, FALSE); // and re-initialize
1621 InitChessProgram(&first, startedFromSetupPosition);
1623 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1624 free(programVersion);
1625 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1626 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1627 FloatToFront(&appData.recentEngineList, currentEngine[0] ? currentEngine[0] : appData.firstChessProgram);
1630 if (appData.icsActive) {
1632 /* [DM] Make a console window if needed [HGM] merged ifs */
1638 if (*appData.icsCommPort != NULLCHAR)
1639 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1640 appData.icsCommPort);
1642 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1643 appData.icsHost, appData.icsPort);
1645 if( (len >= MSG_SIZ) && appData.debugMode )
1646 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1648 DisplayFatalError(buf, err, 1);
1653 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1655 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1656 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1657 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1658 } else if (appData.noChessProgram) {
1664 if (*appData.cmailGameName != NULLCHAR) {
1666 OpenLoopback(&cmailPR);
1668 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1672 DisplayMessage("", "");
1673 if (StrCaseCmp(appData.initialMode, "") == 0) {
1674 initialMode = BeginningOfGame;
1675 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1676 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1677 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1678 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1681 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1682 initialMode = TwoMachinesPlay;
1683 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1684 initialMode = AnalyzeFile;
1685 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1686 initialMode = AnalyzeMode;
1687 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1688 initialMode = MachinePlaysWhite;
1689 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1690 initialMode = MachinePlaysBlack;
1691 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1692 initialMode = EditGame;
1693 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1694 initialMode = EditPosition;
1695 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1696 initialMode = Training;
1698 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1699 if( (len >= MSG_SIZ) && appData.debugMode )
1700 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1702 DisplayFatalError(buf, 0, 2);
1706 if (appData.matchMode) {
1707 if(appData.tourneyFile[0]) { // start tourney from command line
1709 if(f = fopen(appData.tourneyFile, "r")) {
1710 ParseArgsFromFile(f); // make sure tourney parmeters re known
1712 appData.clockMode = TRUE;
1714 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1717 } else if (*appData.cmailGameName != NULLCHAR) {
1718 /* Set up cmail mode */
1719 ReloadCmailMsgEvent(TRUE);
1721 /* Set up other modes */
1722 if (initialMode == AnalyzeFile) {
1723 if (*appData.loadGameFile == NULLCHAR) {
1724 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1728 if (*appData.loadGameFile != NULLCHAR) {
1729 (void) LoadGameFromFile(appData.loadGameFile,
1730 appData.loadGameIndex,
1731 appData.loadGameFile, TRUE);
1732 } else if (*appData.loadPositionFile != NULLCHAR) {
1733 (void) LoadPositionFromFile(appData.loadPositionFile,
1734 appData.loadPositionIndex,
1735 appData.loadPositionFile);
1736 /* [HGM] try to make self-starting even after FEN load */
1737 /* to allow automatic setup of fairy variants with wtm */
1738 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1739 gameMode = BeginningOfGame;
1740 setboardSpoiledMachineBlack = 1;
1742 /* [HGM] loadPos: make that every new game uses the setup */
1743 /* from file as long as we do not switch variant */
1744 if(!blackPlaysFirst) {
1745 startedFromPositionFile = TRUE;
1746 CopyBoard(filePosition, boards[0]);
1747 CopyBoard(initialPosition, boards[0]);
1749 } else if(*appData.fen != NULLCHAR) {
1750 if(ParseFEN(filePosition, &blackPlaysFirst, appData.fen, TRUE) && !blackPlaysFirst) {
1751 startedFromPositionFile = TRUE;
1755 if (initialMode == AnalyzeMode) {
1756 if (appData.noChessProgram) {
1757 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1760 if (appData.icsActive) {
1761 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1765 } else if (initialMode == AnalyzeFile) {
1766 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1767 ShowThinkingEvent();
1769 AnalysisPeriodicEvent(1);
1770 } else if (initialMode == MachinePlaysWhite) {
1771 if (appData.noChessProgram) {
1772 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1776 if (appData.icsActive) {
1777 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1781 MachineWhiteEvent();
1782 } else if (initialMode == MachinePlaysBlack) {
1783 if (appData.noChessProgram) {
1784 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1788 if (appData.icsActive) {
1789 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1793 MachineBlackEvent();
1794 } else if (initialMode == TwoMachinesPlay) {
1795 if (appData.noChessProgram) {
1796 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1800 if (appData.icsActive) {
1801 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1806 } else if (initialMode == EditGame) {
1808 } else if (initialMode == EditPosition) {
1809 EditPositionEvent();
1810 } else if (initialMode == Training) {
1811 if (*appData.loadGameFile == NULLCHAR) {
1812 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1821 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1823 DisplayBook(current+1);
1825 MoveHistorySet( movelist, first, last, current, pvInfoList );
1827 EvalGraphSet( first, last, current, pvInfoList );
1829 MakeEngineOutputTitle();
1833 * Establish will establish a contact to a remote host.port.
1834 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1835 * used to talk to the host.
1836 * Returns 0 if okay, error code if not.
1843 if (*appData.icsCommPort != NULLCHAR) {
1844 /* Talk to the host through a serial comm port */
1845 return OpenCommPort(appData.icsCommPort, &icsPR);
1847 } else if (*appData.gateway != NULLCHAR) {
1848 if (*appData.remoteShell == NULLCHAR) {
1849 /* Use the rcmd protocol to run telnet program on a gateway host */
1850 snprintf(buf, sizeof(buf), "%s %s %s",
1851 appData.telnetProgram, appData.icsHost, appData.icsPort);
1852 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1855 /* Use the rsh program to run telnet program on a gateway host */
1856 if (*appData.remoteUser == NULLCHAR) {
1857 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1858 appData.gateway, appData.telnetProgram,
1859 appData.icsHost, appData.icsPort);
1861 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1862 appData.remoteShell, appData.gateway,
1863 appData.remoteUser, appData.telnetProgram,
1864 appData.icsHost, appData.icsPort);
1866 return StartChildProcess(buf, "", &icsPR);
1869 } else if (appData.useTelnet) {
1870 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1873 /* TCP socket interface differs somewhat between
1874 Unix and NT; handle details in the front end.
1876 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1881 EscapeExpand (char *p, char *q)
1882 { // [HGM] initstring: routine to shape up string arguments
1883 while(*p++ = *q++) if(p[-1] == '\\')
1885 case 'n': p[-1] = '\n'; break;
1886 case 'r': p[-1] = '\r'; break;
1887 case 't': p[-1] = '\t'; break;
1888 case '\\': p[-1] = '\\'; break;
1889 case 0: *p = 0; return;
1890 default: p[-1] = q[-1]; break;
1895 show_bytes (FILE *fp, char *buf, int count)
1898 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1899 fprintf(fp, "\\%03o", *buf & 0xff);
1908 /* Returns an errno value */
1910 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1912 char buf[8192], *p, *q, *buflim;
1913 int left, newcount, outcount;
1915 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1916 *appData.gateway != NULLCHAR) {
1917 if (appData.debugMode) {
1918 fprintf(debugFP, ">ICS: ");
1919 show_bytes(debugFP, message, count);
1920 fprintf(debugFP, "\n");
1922 return OutputToProcess(pr, message, count, outError);
1925 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1932 if (appData.debugMode) {
1933 fprintf(debugFP, ">ICS: ");
1934 show_bytes(debugFP, buf, newcount);
1935 fprintf(debugFP, "\n");
1937 outcount = OutputToProcess(pr, buf, newcount, outError);
1938 if (outcount < newcount) return -1; /* to be sure */
1945 } else if (((unsigned char) *p) == TN_IAC) {
1946 *q++ = (char) TN_IAC;
1953 if (appData.debugMode) {
1954 fprintf(debugFP, ">ICS: ");
1955 show_bytes(debugFP, buf, newcount);
1956 fprintf(debugFP, "\n");
1958 outcount = OutputToProcess(pr, buf, newcount, outError);
1959 if (outcount < newcount) return -1; /* to be sure */
1964 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1966 int outError, outCount;
1967 static int gotEof = 0;
1970 /* Pass data read from player on to ICS */
1973 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1974 if (outCount < count) {
1975 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1977 if(have_sent_ICS_logon == 2) {
1978 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1979 fprintf(ini, "%s", message);
1980 have_sent_ICS_logon = 3;
1982 have_sent_ICS_logon = 1;
1983 } else if(have_sent_ICS_logon == 3) {
1984 fprintf(ini, "%s", message);
1986 have_sent_ICS_logon = 1;
1988 } else if (count < 0) {
1989 RemoveInputSource(isr);
1990 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1991 } else if (gotEof++ > 0) {
1992 RemoveInputSource(isr);
1993 DisplayFatalError(_("Got end of file from keyboard"), 0, 666); // [HGM] 666 is kludge to alert front end
1999 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
2000 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
2001 connectionAlive = FALSE; // only sticks if no response to 'date' command.
2002 SendToICS("date\n");
2003 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
2006 /* added routine for printf style output to ics */
2008 ics_printf (char *format, ...)
2010 char buffer[MSG_SIZ];
2013 va_start(args, format);
2014 vsnprintf(buffer, sizeof(buffer), format, args);
2015 buffer[sizeof(buffer)-1] = '\0';
2023 int count, outCount, outError;
2025 if (icsPR == NoProc) return;
2028 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2029 if (outCount < count) {
2030 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2034 /* This is used for sending logon scripts to the ICS. Sending
2035 without a delay causes problems when using timestamp on ICC
2036 (at least on my machine). */
2038 SendToICSDelayed (char *s, long msdelay)
2040 int count, outCount, outError;
2042 if (icsPR == NoProc) return;
2045 if (appData.debugMode) {
2046 fprintf(debugFP, ">ICS: ");
2047 show_bytes(debugFP, s, count);
2048 fprintf(debugFP, "\n");
2050 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2052 if (outCount < count) {
2053 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2058 /* Remove all highlighting escape sequences in s
2059 Also deletes any suffix starting with '('
2062 StripHighlightAndTitle (char *s)
2064 static char retbuf[MSG_SIZ];
2067 while (*s != NULLCHAR) {
2068 while (*s == '\033') {
2069 while (*s != NULLCHAR && !isalpha(*s)) s++;
2070 if (*s != NULLCHAR) s++;
2072 while (*s != NULLCHAR && *s != '\033') {
2073 if (*s == '(' || *s == '[') {
2084 /* Remove all highlighting escape sequences in s */
2086 StripHighlight (char *s)
2088 static char retbuf[MSG_SIZ];
2091 while (*s != NULLCHAR) {
2092 while (*s == '\033') {
2093 while (*s != NULLCHAR && !isalpha(*s)) s++;
2094 if (*s != NULLCHAR) s++;
2096 while (*s != NULLCHAR && *s != '\033') {
2104 char engineVariant[MSG_SIZ];
2105 char *variantNames[] = VARIANT_NAMES;
2107 VariantName (VariantClass v)
2109 if(v == VariantUnknown || *engineVariant) return engineVariant;
2110 return variantNames[v];
2114 /* Identify a variant from the strings the chess servers use or the
2115 PGN Variant tag names we use. */
2117 StringToVariant (char *e)
2121 VariantClass v = VariantNormal;
2122 int i, found = FALSE;
2123 char buf[MSG_SIZ], c;
2128 /* [HGM] skip over optional board-size prefixes */
2129 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2130 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2131 while( *e++ != '_');
2134 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2138 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2139 if (p = StrCaseStr(e, variantNames[i])) {
2140 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2141 v = (VariantClass) i;
2148 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2149 || StrCaseStr(e, "wild/fr")
2150 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2151 v = VariantFischeRandom;
2152 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2153 (i = 1, p = StrCaseStr(e, "w"))) {
2155 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2162 case 0: /* FICS only, actually */
2164 /* Castling legal even if K starts on d-file */
2165 v = VariantWildCastle;
2170 /* Castling illegal even if K & R happen to start in
2171 normal positions. */
2172 v = VariantNoCastle;
2185 /* Castling legal iff K & R start in normal positions */
2191 /* Special wilds for position setup; unclear what to do here */
2192 v = VariantLoadable;
2195 /* Bizarre ICC game */
2196 v = VariantTwoKings;
2199 v = VariantKriegspiel;
2205 v = VariantFischeRandom;
2208 v = VariantCrazyhouse;
2211 v = VariantBughouse;
2217 /* Not quite the same as FICS suicide! */
2218 v = VariantGiveaway;
2224 v = VariantShatranj;
2227 /* Temporary names for future ICC types. The name *will* change in
2228 the next xboard/WinBoard release after ICC defines it. */
2266 v = VariantCapablanca;
2269 v = VariantKnightmate;
2275 v = VariantCylinder;
2281 v = VariantCapaRandom;
2284 v = VariantBerolina;
2296 /* Found "wild" or "w" in the string but no number;
2297 must assume it's normal chess. */
2301 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2302 if( (len >= MSG_SIZ) && appData.debugMode )
2303 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2305 DisplayError(buf, 0);
2311 if (appData.debugMode) {
2312 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2313 e, wnum, VariantName(v));
2318 static int leftover_start = 0, leftover_len = 0;
2319 char star_match[STAR_MATCH_N][MSG_SIZ];
2321 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2322 advance *index beyond it, and set leftover_start to the new value of
2323 *index; else return FALSE. If pattern contains the character '*', it
2324 matches any sequence of characters not containing '\r', '\n', or the
2325 character following the '*' (if any), and the matched sequence(s) are
2326 copied into star_match.
2329 looking_at ( char *buf, int *index, char *pattern)
2331 char *bufp = &buf[*index], *patternp = pattern;
2333 char *matchp = star_match[0];
2336 if (*patternp == NULLCHAR) {
2337 *index = leftover_start = bufp - buf;
2341 if (*bufp == NULLCHAR) return FALSE;
2342 if (*patternp == '*') {
2343 if (*bufp == *(patternp + 1)) {
2345 matchp = star_match[++star_count];
2349 } else if (*bufp == '\n' || *bufp == '\r') {
2351 if (*patternp == NULLCHAR)
2356 *matchp++ = *bufp++;
2360 if (*patternp != *bufp) return FALSE;
2367 SendToPlayer (char *data, int length)
2369 int error, outCount;
2370 outCount = OutputToProcess(NoProc, data, length, &error);
2371 if (outCount < length) {
2372 DisplayFatalError(_("Error writing to display"), error, 1);
2377 PackHolding (char packed[], char *holding)
2387 switch (runlength) {
2398 sprintf(q, "%d", runlength);
2410 /* Telnet protocol requests from the front end */
2412 TelnetRequest (unsigned char ddww, unsigned char option)
2414 unsigned char msg[3];
2415 int outCount, outError;
2417 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2419 if (appData.debugMode) {
2420 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2436 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2445 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2448 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2453 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2455 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2462 if (!appData.icsActive) return;
2463 TelnetRequest(TN_DO, TN_ECHO);
2469 if (!appData.icsActive) return;
2470 TelnetRequest(TN_DONT, TN_ECHO);
2474 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2476 /* put the holdings sent to us by the server on the board holdings area */
2477 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2481 if(gameInfo.holdingsWidth < 2) return;
2482 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2483 return; // prevent overwriting by pre-board holdings
2485 if( (int)lowestPiece >= BlackPawn ) {
2488 holdingsStartRow = handSize-1;
2491 holdingsColumn = BOARD_WIDTH-1;
2492 countsColumn = BOARD_WIDTH-2;
2493 holdingsStartRow = 0;
2497 for(i=0; i<BOARD_RANKS-1; i++) { /* clear holdings */
2498 board[i][holdingsColumn] = EmptySquare;
2499 board[i][countsColumn] = (ChessSquare) 0;
2501 while( (p=*holdings++) != NULLCHAR ) {
2502 piece = CharToPiece( ToUpper(p) );
2503 if(piece == EmptySquare) continue;
2504 /*j = (int) piece - (int) WhitePawn;*/
2505 j = PieceToNumber(piece);
2506 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2507 if(j < 0) continue; /* should not happen */
2508 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2509 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2510 board[holdingsStartRow+j*direction][countsColumn]++;
2516 VariantSwitch (Board board, VariantClass newVariant)
2518 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2519 static Board oldBoard;
2521 startedFromPositionFile = FALSE;
2522 if(gameInfo.variant == newVariant) return;
2524 /* [HGM] This routine is called each time an assignment is made to
2525 * gameInfo.variant during a game, to make sure the board sizes
2526 * are set to match the new variant. If that means adding or deleting
2527 * holdings, we shift the playing board accordingly
2528 * This kludge is needed because in ICS observe mode, we get boards
2529 * of an ongoing game without knowing the variant, and learn about the
2530 * latter only later. This can be because of the move list we requested,
2531 * in which case the game history is refilled from the beginning anyway,
2532 * but also when receiving holdings of a crazyhouse game. In the latter
2533 * case we want to add those holdings to the already received position.
2537 if (appData.debugMode) {
2538 fprintf(debugFP, "Switch board from %s to %s\n",
2539 VariantName(gameInfo.variant), VariantName(newVariant));
2540 setbuf(debugFP, NULL);
2542 shuffleOpenings = 0; /* [HGM] shuffle */
2543 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2547 newWidth = 9; newHeight = 9;
2548 gameInfo.holdingsSize = 7;
2549 case VariantBughouse:
2550 case VariantCrazyhouse:
2551 newHoldingsWidth = 2; break;
2555 newHoldingsWidth = 2;
2556 gameInfo.holdingsSize = 8;
2559 case VariantCapablanca:
2560 case VariantCapaRandom:
2563 newHoldingsWidth = gameInfo.holdingsSize = 0;
2566 if(newWidth != gameInfo.boardWidth ||
2567 newHeight != gameInfo.boardHeight ||
2568 newHoldingsWidth != gameInfo.holdingsWidth ) {
2570 /* shift position to new playing area, if needed */
2571 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2572 for(i=0; i<BOARD_HEIGHT; i++)
2573 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2574 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2576 for(i=0; i<newHeight; i++) {
2577 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2578 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2580 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2581 for(i=0; i<BOARD_HEIGHT; i++)
2582 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2583 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2586 board[HOLDINGS_SET] = 0;
2587 gameInfo.boardWidth = newWidth;
2588 gameInfo.boardHeight = newHeight;
2589 gameInfo.holdingsWidth = newHoldingsWidth;
2590 gameInfo.variant = newVariant;
2591 InitDrawingSizes(-2, 0);
2592 } else gameInfo.variant = newVariant;
2593 CopyBoard(oldBoard, board); // remember correctly formatted board
2594 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2595 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2598 static int loggedOn = FALSE;
2600 /*-- Game start info cache: --*/
2602 char gs_kind[MSG_SIZ];
2603 static char player1Name[128] = "";
2604 static char player2Name[128] = "";
2605 static char cont_seq[] = "\n\\ ";
2606 static int player1Rating = -1;
2607 static int player2Rating = -1;
2608 /*----------------------------*/
2610 ColorClass curColor = ColorNormal;
2611 int suppressKibitz = 0;
2614 Boolean soughtPending = FALSE;
2615 Boolean seekGraphUp;
2616 #define MAX_SEEK_ADS 200
2618 char *seekAdList[MAX_SEEK_ADS];
2619 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2620 float tcList[MAX_SEEK_ADS];
2621 char colorList[MAX_SEEK_ADS];
2622 int nrOfSeekAds = 0;
2623 int minRating = 1010, maxRating = 2800;
2624 int hMargin = 10, vMargin = 20, h, w;
2625 extern int squareSize, lineGap;
2630 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2631 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2632 if(r < minRating+100 && r >=0 ) r = minRating+100;
2633 if(r > maxRating) r = maxRating;
2634 if(tc < 1.f) tc = 1.f;
2635 if(tc > 95.f) tc = 95.f;
2636 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2637 y = ((double)r - minRating)/(maxRating - minRating)
2638 * (h-vMargin-squareSize/8-1) + vMargin;
2639 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2640 if(strstr(seekAdList[i], " u ")) color = 1;
2641 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2642 !strstr(seekAdList[i], "bullet") &&
2643 !strstr(seekAdList[i], "blitz") &&
2644 !strstr(seekAdList[i], "standard") ) color = 2;
2645 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2646 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2650 PlotSingleSeekAd (int i)
2656 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2658 char buf[MSG_SIZ], *ext = "";
2659 VariantClass v = StringToVariant(type);
2660 if(strstr(type, "wild")) {
2661 ext = type + 4; // append wild number
2662 if(v == VariantFischeRandom) type = "chess960"; else
2663 if(v == VariantLoadable) type = "setup"; else
2664 type = VariantName(v);
2666 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2667 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2668 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2669 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2670 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2671 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2672 seekNrList[nrOfSeekAds] = nr;
2673 zList[nrOfSeekAds] = 0;
2674 seekAdList[nrOfSeekAds++] = StrSave(buf);
2675 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2680 EraseSeekDot (int i)
2682 int x = xList[i], y = yList[i], d=squareSize/4, k;
2683 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2684 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2685 // now replot every dot that overlapped
2686 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2687 int xx = xList[k], yy = yList[k];
2688 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2689 DrawSeekDot(xx, yy, colorList[k]);
2694 RemoveSeekAd (int nr)
2697 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2699 if(seekAdList[i]) free(seekAdList[i]);
2700 seekAdList[i] = seekAdList[--nrOfSeekAds];
2701 seekNrList[i] = seekNrList[nrOfSeekAds];
2702 ratingList[i] = ratingList[nrOfSeekAds];
2703 colorList[i] = colorList[nrOfSeekAds];
2704 tcList[i] = tcList[nrOfSeekAds];
2705 xList[i] = xList[nrOfSeekAds];
2706 yList[i] = yList[nrOfSeekAds];
2707 zList[i] = zList[nrOfSeekAds];
2708 seekAdList[nrOfSeekAds] = NULL;
2714 MatchSoughtLine (char *line)
2716 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2717 int nr, base, inc, u=0; char dummy;
2719 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2720 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2722 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2723 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2724 // match: compact and save the line
2725 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2735 if(!seekGraphUp) return FALSE;
2736 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2737 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2739 DrawSeekBackground(0, 0, w, h);
2740 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2741 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2742 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2743 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2745 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2748 snprintf(buf, MSG_SIZ, "%d", i);
2749 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2752 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2753 for(i=1; i<100; i+=(i<10?1:5)) {
2754 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2755 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2756 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2758 snprintf(buf, MSG_SIZ, "%d", i);
2759 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2762 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2767 SeekGraphClick (ClickType click, int x, int y, int moving)
2769 static int lastDown = 0, displayed = 0, lastSecond;
2770 if(y < 0) return FALSE;
2771 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2772 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2773 if(!seekGraphUp) return FALSE;
2774 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2775 DrawPosition(TRUE, NULL);
2778 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2779 if(click == Release || moving) return FALSE;
2781 soughtPending = TRUE;
2782 SendToICS(ics_prefix);
2783 SendToICS("sought\n"); // should this be "sought all"?
2784 } else { // issue challenge based on clicked ad
2785 int dist = 10000; int i, closest = 0, second = 0;
2786 for(i=0; i<nrOfSeekAds; i++) {
2787 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2788 if(d < dist) { dist = d; closest = i; }
2789 second += (d - zList[i] < 120); // count in-range ads
2790 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2794 second = (second > 1);
2795 if(displayed != closest || second != lastSecond) {
2796 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2797 lastSecond = second; displayed = closest;
2799 if(click == Press) {
2800 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2803 } // on press 'hit', only show info
2804 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2805 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2806 SendToICS(ics_prefix);
2808 return TRUE; // let incoming board of started game pop down the graph
2809 } else if(click == Release) { // release 'miss' is ignored
2810 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2811 if(moving == 2) { // right up-click
2812 nrOfSeekAds = 0; // refresh graph
2813 soughtPending = TRUE;
2814 SendToICS(ics_prefix);
2815 SendToICS("sought\n"); // should this be "sought all"?
2818 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2819 // press miss or release hit 'pop down' seek graph
2820 seekGraphUp = FALSE;
2821 DrawPosition(TRUE, NULL);
2827 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2829 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2830 #define STARTED_NONE 0
2831 #define STARTED_MOVES 1
2832 #define STARTED_BOARD 2
2833 #define STARTED_OBSERVE 3
2834 #define STARTED_HOLDINGS 4
2835 #define STARTED_CHATTER 5
2836 #define STARTED_COMMENT 6
2837 #define STARTED_MOVES_NOHIDE 7
2839 static int started = STARTED_NONE;
2840 static char parse[20000];
2841 static int parse_pos = 0;
2842 static char buf[BUF_SIZE + 1];
2843 static int firstTime = TRUE, intfSet = FALSE;
2844 static ColorClass prevColor = ColorNormal;
2845 static int savingComment = FALSE;
2846 static int cmatch = 0; // continuation sequence match
2853 int backup; /* [DM] For zippy color lines */
2855 char talker[MSG_SIZ]; // [HGM] chat
2856 int channel, collective=0;
2858 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2860 if (appData.debugMode) {
2862 fprintf(debugFP, "<ICS: ");
2863 show_bytes(debugFP, data, count);
2864 fprintf(debugFP, "\n");
2868 if (appData.debugMode) { int f = forwardMostMove;
2869 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2870 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2871 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2874 /* If last read ended with a partial line that we couldn't parse,
2875 prepend it to the new read and try again. */
2876 if (leftover_len > 0) {
2877 for (i=0; i<leftover_len; i++)
2878 buf[i] = buf[leftover_start + i];
2881 /* copy new characters into the buffer */
2882 bp = buf + leftover_len;
2883 buf_len=leftover_len;
2884 for (i=0; i<count; i++)
2887 if (data[i] == '\r')
2890 // join lines split by ICS?
2891 if (!appData.noJoin)
2894 Joining just consists of finding matches against the
2895 continuation sequence, and discarding that sequence
2896 if found instead of copying it. So, until a match
2897 fails, there's nothing to do since it might be the
2898 complete sequence, and thus, something we don't want
2901 if (data[i] == cont_seq[cmatch])
2904 if (cmatch == strlen(cont_seq))
2906 cmatch = 0; // complete match. just reset the counter
2909 it's possible for the ICS to not include the space
2910 at the end of the last word, making our [correct]
2911 join operation fuse two separate words. the server
2912 does this when the space occurs at the width setting.
2914 if (!buf_len || buf[buf_len-1] != ' ')
2925 match failed, so we have to copy what matched before
2926 falling through and copying this character. In reality,
2927 this will only ever be just the newline character, but
2928 it doesn't hurt to be precise.
2930 strncpy(bp, cont_seq, cmatch);
2942 buf[buf_len] = NULLCHAR;
2943 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2948 while (i < buf_len) {
2949 /* Deal with part of the TELNET option negotiation
2950 protocol. We refuse to do anything beyond the
2951 defaults, except that we allow the WILL ECHO option,
2952 which ICS uses to turn off password echoing when we are
2953 directly connected to it. We reject this option
2954 if localLineEditing mode is on (always on in xboard)
2955 and we are talking to port 23, which might be a real
2956 telnet server that will try to keep WILL ECHO on permanently.
2958 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2959 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2960 unsigned char option;
2962 switch ((unsigned char) buf[++i]) {
2964 if (appData.debugMode)
2965 fprintf(debugFP, "\n<WILL ");
2966 switch (option = (unsigned char) buf[++i]) {
2968 if (appData.debugMode)
2969 fprintf(debugFP, "ECHO ");
2970 /* Reply only if this is a change, according
2971 to the protocol rules. */
2972 if (remoteEchoOption) break;
2973 if (appData.localLineEditing &&
2974 atoi(appData.icsPort) == TN_PORT) {
2975 TelnetRequest(TN_DONT, TN_ECHO);
2978 TelnetRequest(TN_DO, TN_ECHO);
2979 remoteEchoOption = TRUE;
2983 if (appData.debugMode)
2984 fprintf(debugFP, "%d ", option);
2985 /* Whatever this is, we don't want it. */
2986 TelnetRequest(TN_DONT, option);
2991 if (appData.debugMode)
2992 fprintf(debugFP, "\n<WONT ");
2993 switch (option = (unsigned char) buf[++i]) {
2995 if (appData.debugMode)
2996 fprintf(debugFP, "ECHO ");
2997 /* Reply only if this is a change, according
2998 to the protocol rules. */
2999 if (!remoteEchoOption) break;
3001 TelnetRequest(TN_DONT, TN_ECHO);
3002 remoteEchoOption = FALSE;
3005 if (appData.debugMode)
3006 fprintf(debugFP, "%d ", (unsigned char) option);
3007 /* Whatever this is, it must already be turned
3008 off, because we never agree to turn on
3009 anything non-default, so according to the
3010 protocol rules, we don't reply. */
3015 if (appData.debugMode)
3016 fprintf(debugFP, "\n<DO ");
3017 switch (option = (unsigned char) buf[++i]) {
3019 /* Whatever this is, we refuse to do it. */
3020 if (appData.debugMode)
3021 fprintf(debugFP, "%d ", option);
3022 TelnetRequest(TN_WONT, option);
3027 if (appData.debugMode)
3028 fprintf(debugFP, "\n<DONT ");
3029 switch (option = (unsigned char) buf[++i]) {
3031 if (appData.debugMode)
3032 fprintf(debugFP, "%d ", option);
3033 /* Whatever this is, we are already not doing
3034 it, because we never agree to do anything
3035 non-default, so according to the protocol
3036 rules, we don't reply. */
3041 if (appData.debugMode)
3042 fprintf(debugFP, "\n<IAC ");
3043 /* Doubled IAC; pass it through */
3047 if (appData.debugMode)
3048 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3049 /* Drop all other telnet commands on the floor */
3052 if (oldi > next_out)
3053 SendToPlayer(&buf[next_out], oldi - next_out);
3059 /* OK, this at least will *usually* work */
3060 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3064 if (loggedOn && !intfSet) {
3065 if (ics_type == ICS_ICC) {
3066 snprintf(str, MSG_SIZ,
3067 "/set-quietly interface %s\n/set-quietly style 12\n",
3069 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3070 strcat(str, "/set-2 51 1\n/set seek 1\n");
3071 } else if (ics_type == ICS_CHESSNET) {
3072 snprintf(str, MSG_SIZ, "/style 12\n");
3074 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3075 strcat(str, programVersion);
3076 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3077 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3078 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3080 strcat(str, "$iset nohighlight 1\n");
3082 strcat(str, "$iset lock 1\n$style 12\n");
3085 NotifyFrontendLogin();
3089 if (started == STARTED_COMMENT) {
3090 /* Accumulate characters in comment */
3091 parse[parse_pos++] = buf[i];
3092 if (buf[i] == '\n') {
3093 parse[parse_pos] = NULLCHAR;
3094 if(chattingPartner>=0) {
3096 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3097 OutputChatMessage(chattingPartner, mess);
3098 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3100 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3101 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3102 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3103 OutputChatMessage(p, mess);
3107 chattingPartner = -1;
3108 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3111 if(!suppressKibitz) // [HGM] kibitz
3112 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3113 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3114 int nrDigit = 0, nrAlph = 0, j;
3115 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3116 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3117 parse[parse_pos] = NULLCHAR;
3118 // try to be smart: if it does not look like search info, it should go to
3119 // ICS interaction window after all, not to engine-output window.
3120 for(j=0; j<parse_pos; j++) { // count letters and digits
3121 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3122 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3123 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3125 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3126 int depth=0; float score;
3127 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3128 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3129 pvInfoList[forwardMostMove-1].depth = depth;
3130 pvInfoList[forwardMostMove-1].score = 100*score;
3132 OutputKibitz(suppressKibitz, parse);
3135 if(gameMode == IcsObserving) // restore original ICS messages
3136 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3137 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3139 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3140 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3141 SendToPlayer(tmp, strlen(tmp));
3143 next_out = i+1; // [HGM] suppress printing in ICS window
3145 started = STARTED_NONE;
3147 /* Don't match patterns against characters in comment */
3152 if (started == STARTED_CHATTER) {
3153 if (buf[i] != '\n') {
3154 /* Don't match patterns against characters in chatter */
3158 started = STARTED_NONE;
3159 if(suppressKibitz) next_out = i+1;
3162 /* Kludge to deal with rcmd protocol */
3163 if (firstTime && looking_at(buf, &i, "\001*")) {
3164 DisplayFatalError(&buf[1], 0, 1);
3170 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3173 if (appData.debugMode)
3174 fprintf(debugFP, "ics_type %d\n", ics_type);
3177 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3178 ics_type = ICS_FICS;
3180 if (appData.debugMode)
3181 fprintf(debugFP, "ics_type %d\n", ics_type);
3184 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3185 ics_type = ICS_CHESSNET;
3187 if (appData.debugMode)
3188 fprintf(debugFP, "ics_type %d\n", ics_type);
3193 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3194 looking_at(buf, &i, "Logging you in as \"*\"") ||
3195 looking_at(buf, &i, "will be \"*\""))) {
3196 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3200 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3202 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3203 DisplayIcsInteractionTitle(buf);
3204 have_set_title = TRUE;
3207 /* skip finger notes */
3208 if (started == STARTED_NONE &&
3209 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3210 (buf[i] == '1' && buf[i+1] == '0')) &&
3211 buf[i+2] == ':' && buf[i+3] == ' ') {
3212 started = STARTED_CHATTER;
3218 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3219 if(appData.seekGraph) {
3220 if(soughtPending && MatchSoughtLine(buf+i)) {
3221 i = strstr(buf+i, "rated") - buf;
3222 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3223 next_out = leftover_start = i;
3224 started = STARTED_CHATTER;
3225 suppressKibitz = TRUE;
3228 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3229 && looking_at(buf, &i, "* ads displayed")) {
3230 soughtPending = FALSE;
3235 if(appData.autoRefresh) {
3236 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3237 int s = (ics_type == ICS_ICC); // ICC format differs
3239 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3240 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3241 looking_at(buf, &i, "*% "); // eat prompt
3242 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3243 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3244 next_out = i; // suppress
3247 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3248 char *p = star_match[0];
3250 if(seekGraphUp) RemoveSeekAd(atoi(p));
3251 while(*p && *p++ != ' '); // next
3253 looking_at(buf, &i, "*% "); // eat prompt
3254 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3261 /* skip formula vars */
3262 if (started == STARTED_NONE &&
3263 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3264 started = STARTED_CHATTER;
3269 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3270 if (appData.autoKibitz && started == STARTED_NONE &&
3271 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3272 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3273 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3274 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3275 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3276 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3277 suppressKibitz = TRUE;
3278 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3280 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3281 && (gameMode == IcsPlayingWhite)) ||
3282 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3283 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3284 started = STARTED_CHATTER; // own kibitz we simply discard
3286 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3287 parse_pos = 0; parse[0] = NULLCHAR;
3288 savingComment = TRUE;
3289 suppressKibitz = gameMode != IcsObserving ? 2 :
3290 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3294 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3295 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3296 && atoi(star_match[0])) {
3297 // suppress the acknowledgements of our own autoKibitz
3299 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3300 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3301 SendToPlayer(star_match[0], strlen(star_match[0]));
3302 if(looking_at(buf, &i, "*% ")) // eat prompt
3303 suppressKibitz = FALSE;
3307 } // [HGM] kibitz: end of patch
3309 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3311 // [HGM] chat: intercept tells by users for which we have an open chat window
3313 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3314 looking_at(buf, &i, "* whispers:") ||
3315 looking_at(buf, &i, "* kibitzes:") ||
3316 looking_at(buf, &i, "* shouts:") ||
3317 looking_at(buf, &i, "* c-shouts:") ||
3318 looking_at(buf, &i, "--> * ") ||
3319 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3320 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3321 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3322 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3324 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3325 chattingPartner = -1; collective = 0;
3327 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3328 for(p=0; p<MAX_CHAT; p++) {
3330 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3331 talker[0] = '['; strcat(talker, "] ");
3332 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3337 for(p=0; p<MAX_CHAT; p++) {
3339 if(!strcmp("kibitzes", chatPartner[p])) {
3340 talker[0] = '['; strcat(talker, "] ");
3341 chattingPartner = p; break;
3344 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3345 for(p=0; p<MAX_CHAT; p++) {
3347 if(!strcmp("whispers", chatPartner[p])) {
3348 talker[0] = '['; strcat(talker, "] ");
3349 chattingPartner = p; break;
3352 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3353 if(buf[i-8] == '-' && buf[i-3] == 't')
3354 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3356 if(!strcmp("c-shouts", chatPartner[p])) {
3357 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3358 chattingPartner = p; break;
3361 if(chattingPartner < 0)
3362 for(p=0; p<MAX_CHAT; p++) {
3364 if(!strcmp("shouts", chatPartner[p])) {
3365 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3366 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3367 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3368 chattingPartner = p; break;
3372 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3373 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3375 Colorize(ColorTell, FALSE);
3376 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3378 chattingPartner = p; break;
3380 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3381 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3382 started = STARTED_COMMENT;
3383 parse_pos = 0; parse[0] = NULLCHAR;
3384 savingComment = 3 + chattingPartner; // counts as TRUE
3385 if(collective == 3) i = oldi; else {
3386 suppressKibitz = TRUE;
3387 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3388 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3392 } // [HGM] chat: end of patch
3395 if (appData.zippyTalk || appData.zippyPlay) {
3396 /* [DM] Backup address for color zippy lines */
3398 if (loggedOn == TRUE)
3399 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3400 (appData.zippyPlay && ZippyMatch(buf, &backup)))
3403 } // [DM] 'else { ' deleted
3405 /* Regular tells and says */
3406 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3407 looking_at(buf, &i, "* (your partner) tells you: ") ||
3408 looking_at(buf, &i, "* says: ") ||
3409 /* Don't color "message" or "messages" output */
3410 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3411 looking_at(buf, &i, "*. * at *:*: ") ||
3412 looking_at(buf, &i, "--* (*:*): ") ||
3413 /* Message notifications (same color as tells) */
3414 looking_at(buf, &i, "* has left a message ") ||
3415 looking_at(buf, &i, "* just sent you a message:\n") ||
3416 /* Whispers and kibitzes */
3417 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3418 looking_at(buf, &i, "* kibitzes: ") ||
3420 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3422 if (tkind == 1 && strchr(star_match[0], ':')) {
3423 /* Avoid "tells you:" spoofs in channels */
3426 if (star_match[0][0] == NULLCHAR ||
3427 strchr(star_match[0], ' ') ||
3428 (tkind == 3 && strchr(star_match[1], ' '))) {
3429 /* Reject bogus matches */
3432 if (appData.colorize) {
3433 if (oldi > next_out) {
3434 SendToPlayer(&buf[next_out], oldi - next_out);
3439 Colorize(ColorTell, FALSE);
3440 curColor = ColorTell;
3443 Colorize(ColorKibitz, FALSE);
3444 curColor = ColorKibitz;
3447 p = strrchr(star_match[1], '(');
3454 Colorize(ColorChannel1, FALSE);
3455 curColor = ColorChannel1;
3457 Colorize(ColorChannel, FALSE);
3458 curColor = ColorChannel;
3462 curColor = ColorNormal;
3466 if (started == STARTED_NONE && appData.autoComment &&
3467 (gameMode == IcsObserving ||
3468 gameMode == IcsPlayingWhite ||
3469 gameMode == IcsPlayingBlack)) {
3470 parse_pos = i - oldi;
3471 memcpy(parse, &buf[oldi], parse_pos);
3472 parse[parse_pos] = NULLCHAR;
3473 started = STARTED_COMMENT;
3474 savingComment = TRUE;
3475 } else if(collective != 3) {
3476 started = STARTED_CHATTER;
3477 savingComment = FALSE;
3484 if (looking_at(buf, &i, "* s-shouts: ") ||
3485 looking_at(buf, &i, "* c-shouts: ")) {
3486 if (appData.colorize) {
3487 if (oldi > next_out) {
3488 SendToPlayer(&buf[next_out], oldi - next_out);
3491 Colorize(ColorSShout, FALSE);
3492 curColor = ColorSShout;
3495 started = STARTED_CHATTER;
3499 if (looking_at(buf, &i, "--->")) {
3504 if (looking_at(buf, &i, "* shouts: ") ||
3505 looking_at(buf, &i, "--> ")) {
3506 if (appData.colorize) {
3507 if (oldi > next_out) {
3508 SendToPlayer(&buf[next_out], oldi - next_out);
3511 Colorize(ColorShout, FALSE);
3512 curColor = ColorShout;
3515 started = STARTED_CHATTER;
3519 if (looking_at( buf, &i, "Challenge:")) {
3520 if (appData.colorize) {
3521 if (oldi > next_out) {
3522 SendToPlayer(&buf[next_out], oldi - next_out);
3525 Colorize(ColorChallenge, FALSE);
3526 curColor = ColorChallenge;
3532 if (looking_at(buf, &i, "* offers you") ||
3533 looking_at(buf, &i, "* offers to be") ||
3534 looking_at(buf, &i, "* would like to") ||
3535 looking_at(buf, &i, "* requests to") ||
3536 looking_at(buf, &i, "Your opponent offers") ||
3537 looking_at(buf, &i, "Your opponent requests")) {
3539 if (appData.colorize) {
3540 if (oldi > next_out) {
3541 SendToPlayer(&buf[next_out], oldi - next_out);
3544 Colorize(ColorRequest, FALSE);
3545 curColor = ColorRequest;
3550 if (looking_at(buf, &i, "* (*) seeking")) {
3551 if (appData.colorize) {
3552 if (oldi > next_out) {
3553 SendToPlayer(&buf[next_out], oldi - next_out);
3556 Colorize(ColorSeek, FALSE);
3557 curColor = ColorSeek;
3562 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3564 if (looking_at(buf, &i, "\\ ")) {
3565 if (prevColor != ColorNormal) {
3566 if (oldi > next_out) {
3567 SendToPlayer(&buf[next_out], oldi - next_out);
3570 Colorize(prevColor, TRUE);
3571 curColor = prevColor;
3573 if (savingComment) {
3574 parse_pos = i - oldi;
3575 memcpy(parse, &buf[oldi], parse_pos);
3576 parse[parse_pos] = NULLCHAR;
3577 started = STARTED_COMMENT;
3578 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3579 chattingPartner = savingComment - 3; // kludge to remember the box
3581 started = STARTED_CHATTER;
3586 if (looking_at(buf, &i, "Black Strength :") ||
3587 looking_at(buf, &i, "<<< style 10 board >>>") ||
3588 looking_at(buf, &i, "<10>") ||
3589 looking_at(buf, &i, "#@#")) {
3590 /* Wrong board style */
3592 SendToICS(ics_prefix);
3593 SendToICS("set style 12\n");
3594 SendToICS(ics_prefix);
3595 SendToICS("refresh\n");
3599 if (looking_at(buf, &i, "login:")) {
3600 if (!have_sent_ICS_logon) {
3602 have_sent_ICS_logon = 1;
3603 else // no init script was found
3604 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3605 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3606 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3611 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3612 (looking_at(buf, &i, "\n<12> ") ||
3613 looking_at(buf, &i, "<12> "))) {
3615 if (oldi > next_out) {
3616 SendToPlayer(&buf[next_out], oldi - next_out);
3619 started = STARTED_BOARD;
3624 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3625 looking_at(buf, &i, "<b1> ")) {
3626 if (oldi > next_out) {
3627 SendToPlayer(&buf[next_out], oldi - next_out);
3630 started = STARTED_HOLDINGS;
3635 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3637 /* Header for a move list -- first line */
3639 switch (ics_getting_history) {
3643 case BeginningOfGame:
3644 /* User typed "moves" or "oldmoves" while we
3645 were idle. Pretend we asked for these
3646 moves and soak them up so user can step
3647 through them and/or save them.
3650 gameMode = IcsObserving;
3653 ics_getting_history = H_GOT_UNREQ_HEADER;
3655 case EditGame: /*?*/
3656 case EditPosition: /*?*/
3657 /* Should above feature work in these modes too? */
3658 /* For now it doesn't */
3659 ics_getting_history = H_GOT_UNWANTED_HEADER;
3662 ics_getting_history = H_GOT_UNWANTED_HEADER;
3667 /* Is this the right one? */
3668 if (gameInfo.white && gameInfo.black &&
3669 strcmp(gameInfo.white, star_match[0]) == 0 &&
3670 strcmp(gameInfo.black, star_match[2]) == 0) {
3672 ics_getting_history = H_GOT_REQ_HEADER;
3675 case H_GOT_REQ_HEADER:
3676 case H_GOT_UNREQ_HEADER:
3677 case H_GOT_UNWANTED_HEADER:
3678 case H_GETTING_MOVES:
3679 /* Should not happen */
3680 DisplayError(_("Error gathering move list: two headers"), 0);
3681 ics_getting_history = H_FALSE;
3685 /* Save player ratings into gameInfo if needed */
3686 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3687 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3688 (gameInfo.whiteRating == -1 ||
3689 gameInfo.blackRating == -1)) {
3691 gameInfo.whiteRating = string_to_rating(star_match[1]);
3692 gameInfo.blackRating = string_to_rating(star_match[3]);
3693 if (appData.debugMode)
3694 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3695 gameInfo.whiteRating, gameInfo.blackRating);
3700 if (looking_at(buf, &i,
3701 "* * match, initial time: * minute*, increment: * second")) {
3702 /* Header for a move list -- second line */
3703 /* Initial board will follow if this is a wild game */
3704 if (gameInfo.event != NULL) free(gameInfo.event);
3705 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3706 gameInfo.event = StrSave(str);
3707 /* [HGM] we switched variant. Translate boards if needed. */
3708 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3712 if (looking_at(buf, &i, "Move ")) {
3713 /* Beginning of a move list */
3714 switch (ics_getting_history) {
3716 /* Normally should not happen */
3717 /* Maybe user hit reset while we were parsing */
3720 /* Happens if we are ignoring a move list that is not
3721 * the one we just requested. Common if the user
3722 * tries to observe two games without turning off
3725 case H_GETTING_MOVES:
3726 /* Should not happen */
3727 DisplayError(_("Error gathering move list: nested"), 0);
3728 ics_getting_history = H_FALSE;
3730 case H_GOT_REQ_HEADER:
3731 ics_getting_history = H_GETTING_MOVES;
3732 started = STARTED_MOVES;
3734 if (oldi > next_out) {
3735 SendToPlayer(&buf[next_out], oldi - next_out);
3738 case H_GOT_UNREQ_HEADER:
3739 ics_getting_history = H_GETTING_MOVES;
3740 started = STARTED_MOVES_NOHIDE;
3743 case H_GOT_UNWANTED_HEADER:
3744 ics_getting_history = H_FALSE;
3750 if (looking_at(buf, &i, "% ") ||
3751 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3752 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3753 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3754 soughtPending = FALSE;
3758 if(suppressKibitz) next_out = i;
3759 savingComment = FALSE;
3763 case STARTED_MOVES_NOHIDE:
3764 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3765 parse[parse_pos + i - oldi] = NULLCHAR;
3766 ParseGameHistory(parse);
3768 if (appData.zippyPlay && first.initDone) {
3769 FeedMovesToProgram(&first, forwardMostMove);
3770 if (gameMode == IcsPlayingWhite) {
3771 if (WhiteOnMove(forwardMostMove)) {
3772 if (first.sendTime) {
3773 if (first.useColors) {
3774 SendToProgram("black\n", &first);
3776 SendTimeRemaining(&first, TRUE);
3778 if (first.useColors) {
3779 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3781 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3782 first.maybeThinking = TRUE;
3784 if (first.usePlayother) {
3785 if (first.sendTime) {
3786 SendTimeRemaining(&first, TRUE);
3788 SendToProgram("playother\n", &first);
3794 } else if (gameMode == IcsPlayingBlack) {
3795 if (!WhiteOnMove(forwardMostMove)) {
3796 if (first.sendTime) {
3797 if (first.useColors) {
3798 SendToProgram("white\n", &first);
3800 SendTimeRemaining(&first, FALSE);
3802 if (first.useColors) {
3803 SendToProgram("black\n", &first);
3805 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3806 first.maybeThinking = TRUE;
3808 if (first.usePlayother) {
3809 if (first.sendTime) {
3810 SendTimeRemaining(&first, FALSE);
3812 SendToProgram("playother\n", &first);
3821 if (gameMode == IcsObserving && ics_gamenum == -1) {
3822 /* Moves came from oldmoves or moves command
3823 while we weren't doing anything else.
3825 currentMove = forwardMostMove;
3826 ClearHighlights();/*!!could figure this out*/
3827 flipView = appData.flipView;
3828 DrawPosition(TRUE, boards[currentMove]);
3829 DisplayBothClocks();
3830 snprintf(str, MSG_SIZ, "%s %s %s",
3831 gameInfo.white, _("vs."), gameInfo.black);
3835 /* Moves were history of an active game */
3836 if (gameInfo.resultDetails != NULL) {
3837 free(gameInfo.resultDetails);
3838 gameInfo.resultDetails = NULL;
3841 HistorySet(parseList, backwardMostMove,
3842 forwardMostMove, currentMove-1);
3843 DisplayMove(currentMove - 1);
3844 if (started == STARTED_MOVES) next_out = i;
3845 started = STARTED_NONE;
3846 ics_getting_history = H_FALSE;
3849 case STARTED_OBSERVE:
3850 started = STARTED_NONE;
3851 SendToICS(ics_prefix);
3852 SendToICS("refresh\n");
3858 if(bookHit) { // [HGM] book: simulate book reply
3859 static char bookMove[MSG_SIZ]; // a bit generous?
3861 programStats.nodes = programStats.depth = programStats.time =
3862 programStats.score = programStats.got_only_move = 0;
3863 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3865 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3866 strcat(bookMove, bookHit);
3867 HandleMachineMove(bookMove, &first);
3872 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3873 started == STARTED_HOLDINGS ||
3874 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3875 /* Accumulate characters in move list or board */
3876 parse[parse_pos++] = buf[i];
3879 /* Start of game messages. Mostly we detect start of game
3880 when the first board image arrives. On some versions
3881 of the ICS, though, we need to do a "refresh" after starting
3882 to observe in order to get the current board right away. */
3883 if (looking_at(buf, &i, "Adding game * to observation list")) {
3884 started = STARTED_OBSERVE;
3888 /* Handle auto-observe */
3889 if (appData.autoObserve &&
3890 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3891 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3893 /* Choose the player that was highlighted, if any. */
3894 if (star_match[0][0] == '\033' ||
3895 star_match[1][0] != '\033') {
3896 player = star_match[0];
3898 player = star_match[2];
3900 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3901 ics_prefix, StripHighlightAndTitle(player));
3904 /* Save ratings from notify string */
3905 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3906 player1Rating = string_to_rating(star_match[1]);
3907 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3908 player2Rating = string_to_rating(star_match[3]);
3910 if (appData.debugMode)
3912 "Ratings from 'Game notification:' %s %d, %s %d\n",
3913 player1Name, player1Rating,
3914 player2Name, player2Rating);
3919 /* Deal with automatic examine mode after a game,
3920 and with IcsObserving -> IcsExamining transition */
3921 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3922 looking_at(buf, &i, "has made you an examiner of game *")) {
3924 int gamenum = atoi(star_match[0]);
3925 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3926 gamenum == ics_gamenum) {
3927 /* We were already playing or observing this game;
3928 no need to refetch history */
3929 gameMode = IcsExamining;
3931 pauseExamForwardMostMove = forwardMostMove;
3932 } else if (currentMove < forwardMostMove) {
3933 ForwardInner(forwardMostMove);
3936 /* I don't think this case really can happen */
3937 SendToICS(ics_prefix);
3938 SendToICS("refresh\n");
3943 /* Error messages */
3944 // if (ics_user_moved) {
3945 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3946 if (looking_at(buf, &i, "Illegal move") ||
3947 looking_at(buf, &i, "Not a legal move") ||
3948 looking_at(buf, &i, "Your king is in check") ||
3949 looking_at(buf, &i, "It isn't your turn") ||
3950 looking_at(buf, &i, "It is not your move")) {
3952 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3953 currentMove = forwardMostMove-1;
3954 DisplayMove(currentMove - 1); /* before DMError */
3955 DrawPosition(FALSE, boards[currentMove]);
3956 SwitchClocks(forwardMostMove-1); // [HGM] race
3957 DisplayBothClocks();
3959 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3965 if (looking_at(buf, &i, "still have time") ||
3966 looking_at(buf, &i, "not out of time") ||
3967 looking_at(buf, &i, "either player is out of time") ||
3968 looking_at(buf, &i, "has timeseal; checking")) {
3969 /* We must have called his flag a little too soon */
3970 whiteFlag = blackFlag = FALSE;
3974 if (looking_at(buf, &i, "added * seconds to") ||
3975 looking_at(buf, &i, "seconds were added to")) {
3976 /* Update the clocks */
3977 SendToICS(ics_prefix);
3978 SendToICS("refresh\n");
3982 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3983 ics_clock_paused = TRUE;
3988 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3989 ics_clock_paused = FALSE;
3994 /* Grab player ratings from the Creating: message.
3995 Note we have to check for the special case when
3996 the ICS inserts things like [white] or [black]. */
3997 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3998 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
4000 0 player 1 name (not necessarily white)
4002 2 empty, white, or black (IGNORED)
4003 3 player 2 name (not necessarily black)
4006 The names/ratings are sorted out when the game
4007 actually starts (below).
4009 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4010 player1Rating = string_to_rating(star_match[1]);
4011 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4012 player2Rating = string_to_rating(star_match[4]);
4014 if (appData.debugMode)
4016 "Ratings from 'Creating:' %s %d, %s %d\n",
4017 player1Name, player1Rating,
4018 player2Name, player2Rating);
4023 /* Improved generic start/end-of-game messages */
4024 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4025 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4026 /* If tkind == 0: */
4027 /* star_match[0] is the game number */
4028 /* [1] is the white player's name */
4029 /* [2] is the black player's name */
4030 /* For end-of-game: */
4031 /* [3] is the reason for the game end */
4032 /* [4] is a PGN end game-token, preceded by " " */
4033 /* For start-of-game: */
4034 /* [3] begins with "Creating" or "Continuing" */
4035 /* [4] is " *" or empty (don't care). */
4036 int gamenum = atoi(star_match[0]);
4037 char *whitename, *blackname, *why, *endtoken;
4038 ChessMove endtype = EndOfFile;
4041 whitename = star_match[1];
4042 blackname = star_match[2];
4043 why = star_match[3];
4044 endtoken = star_match[4];
4046 whitename = star_match[1];
4047 blackname = star_match[3];
4048 why = star_match[5];
4049 endtoken = star_match[6];
4052 /* Game start messages */
4053 if (strncmp(why, "Creating ", 9) == 0 ||
4054 strncmp(why, "Continuing ", 11) == 0) {
4055 gs_gamenum = gamenum;
4056 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4057 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4058 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4060 if (appData.zippyPlay) {
4061 ZippyGameStart(whitename, blackname);
4064 partnerBoardValid = FALSE; // [HGM] bughouse
4068 /* Game end messages */
4069 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4070 ics_gamenum != gamenum) {
4073 while (endtoken[0] == ' ') endtoken++;
4074 switch (endtoken[0]) {
4077 endtype = GameUnfinished;
4080 endtype = BlackWins;
4083 if (endtoken[1] == '/')
4084 endtype = GameIsDrawn;
4086 endtype = WhiteWins;
4089 GameEnds(endtype, why, GE_ICS);
4091 if (appData.zippyPlay && first.initDone) {
4092 ZippyGameEnd(endtype, why);
4093 if (first.pr == NoProc) {
4094 /* Start the next process early so that we'll
4095 be ready for the next challenge */
4096 StartChessProgram(&first);
4098 /* Send "new" early, in case this command takes
4099 a long time to finish, so that we'll be ready
4100 for the next challenge. */
4101 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4105 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4109 if (looking_at(buf, &i, "Removing game * from observation") ||
4110 looking_at(buf, &i, "no longer observing game *") ||
4111 looking_at(buf, &i, "Game * (*) has no examiners")) {
4112 if (gameMode == IcsObserving &&
4113 atoi(star_match[0]) == ics_gamenum)
4115 /* icsEngineAnalyze */
4116 if (appData.icsEngineAnalyze) {
4123 ics_user_moved = FALSE;
4128 if (looking_at(buf, &i, "no longer examining game *")) {
4129 if (gameMode == IcsExamining &&
4130 atoi(star_match[0]) == ics_gamenum)
4134 ics_user_moved = FALSE;
4139 /* Advance leftover_start past any newlines we find,
4140 so only partial lines can get reparsed */
4141 if (looking_at(buf, &i, "\n")) {
4142 prevColor = curColor;
4143 if (curColor != ColorNormal) {
4144 if (oldi > next_out) {
4145 SendToPlayer(&buf[next_out], oldi - next_out);
4148 Colorize(ColorNormal, FALSE);
4149 curColor = ColorNormal;
4151 if (started == STARTED_BOARD) {
4152 started = STARTED_NONE;
4153 parse[parse_pos] = NULLCHAR;
4154 ParseBoard12(parse);
4157 /* Send premove here */
4158 if (appData.premove) {
4160 if (currentMove == 0 &&
4161 gameMode == IcsPlayingWhite &&
4162 appData.premoveWhite) {
4163 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4164 if (appData.debugMode)
4165 fprintf(debugFP, "Sending premove:\n");
4167 } else if (currentMove == 1 &&
4168 gameMode == IcsPlayingBlack &&
4169 appData.premoveBlack) {
4170 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4171 if (appData.debugMode)
4172 fprintf(debugFP, "Sending premove:\n");
4174 } else if (gotPremove) {
4175 int oldFMM = forwardMostMove;
4177 ClearPremoveHighlights();
4178 if (appData.debugMode)
4179 fprintf(debugFP, "Sending premove:\n");
4180 UserMoveEvent(premoveFromX, premoveFromY,
4181 premoveToX, premoveToY,
4183 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4184 if(moveList[oldFMM-1][1] != '@')
4185 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4186 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4188 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4193 /* Usually suppress following prompt */
4194 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4195 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4196 if (looking_at(buf, &i, "*% ")) {
4197 savingComment = FALSE;
4202 } else if (started == STARTED_HOLDINGS) {
4204 char new_piece[MSG_SIZ];
4205 started = STARTED_NONE;
4206 parse[parse_pos] = NULLCHAR;
4207 if (appData.debugMode)
4208 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4209 parse, currentMove);
4210 if (sscanf(parse, " game %d", &gamenum) == 1) {
4211 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4212 new_piece[0] = NULLCHAR;
4213 sscanf(parse, "game %d white [%s black [%s <- %s",
4214 &gamenum, white_holding, black_holding,
4216 white_holding[strlen(white_holding)-1] = NULLCHAR;
4217 black_holding[strlen(black_holding)-1] = NULLCHAR;
4218 if (gameInfo.variant == VariantNormal) {
4219 /* [HGM] We seem to switch variant during a game!
4220 * Presumably no holdings were displayed, so we have
4221 * to move the position two files to the right to
4222 * create room for them!
4224 VariantClass newVariant;
4225 switch(gameInfo.boardWidth) { // base guess on board width
4226 case 9: newVariant = VariantShogi; break;
4227 case 10: newVariant = VariantGreat; break;
4228 default: newVariant = VariantCrazyhouse;
4229 if(strchr(white_holding, 'E') || strchr(black_holding, 'E') ||
4230 strchr(white_holding, 'H') || strchr(black_holding, 'H') )
4231 newVariant = VariantSChess;
4233 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4234 /* Get a move list just to see the header, which
4235 will tell us whether this is really bug or zh */
4236 if (ics_getting_history == H_FALSE) {
4237 ics_getting_history = H_REQUESTED;
4238 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4242 /* [HGM] copy holdings to board holdings area */
4243 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4244 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4245 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4247 if (appData.zippyPlay && first.initDone) {
4248 ZippyHoldings(white_holding, black_holding,
4252 if (tinyLayout || smallLayout) {
4253 char wh[16], bh[16];
4254 PackHolding(wh, white_holding);
4255 PackHolding(bh, black_holding);
4256 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4257 gameInfo.white, gameInfo.black);
4259 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4260 gameInfo.white, white_holding, _("vs."),
4261 gameInfo.black, black_holding);
4263 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4264 DrawPosition(FALSE, boards[currentMove]);
4266 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4267 sscanf(parse, "game %d white [%s black [%s <- %s",
4268 &gamenum, white_holding, black_holding,
4270 white_holding[strlen(white_holding)-1] = NULLCHAR;
4271 black_holding[strlen(black_holding)-1] = NULLCHAR;
4272 /* [HGM] copy holdings to partner-board holdings area */
4273 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4274 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4275 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4276 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4277 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4280 /* Suppress following prompt */
4281 if (looking_at(buf, &i, "*% ")) {
4282 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4283 savingComment = FALSE;
4291 i++; /* skip unparsed character and loop back */
4294 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4295 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4296 // SendToPlayer(&buf[next_out], i - next_out);
4297 started != STARTED_HOLDINGS && leftover_start > next_out) {
4298 SendToPlayer(&buf[next_out], leftover_start - next_out);
4302 leftover_len = buf_len - leftover_start;
4303 /* if buffer ends with something we couldn't parse,
4304 reparse it after appending the next read */
4306 } else if (count == 0) {
4307 RemoveInputSource(isr);
4308 DisplayFatalError(_("Connection closed by ICS"), 0, 6666);
4310 DisplayFatalError(_("Error reading from ICS"), error, 1);
4315 /* Board style 12 looks like this:
4317 <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
4319 * The "<12> " is stripped before it gets to this routine. The two
4320 * trailing 0's (flip state and clock ticking) are later addition, and
4321 * some chess servers may not have them, or may have only the first.
4322 * Additional trailing fields may be added in the future.
4325 #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"
4327 #define RELATION_OBSERVING_PLAYED 0
4328 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4329 #define RELATION_PLAYING_MYMOVE 1
4330 #define RELATION_PLAYING_NOTMYMOVE -1
4331 #define RELATION_EXAMINING 2
4332 #define RELATION_ISOLATED_BOARD -3
4333 #define RELATION_STARTING_POSITION -4 /* FICS only */
4336 ParseBoard12 (char *string)
4340 char *bookHit = NULL; // [HGM] book
4342 GameMode newGameMode;
4343 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4344 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4345 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4346 char to_play, board_chars[200];
4347 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4348 char black[32], white[32];
4350 int prevMove = currentMove;
4353 int fromX, fromY, toX, toY;
4355 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4356 Boolean weird = FALSE, reqFlag = FALSE;
4358 fromX = fromY = toX = toY = -1;
4362 if (appData.debugMode)
4363 fprintf(debugFP, "Parsing board: %s\n", string);
4365 move_str[0] = NULLCHAR;
4366 elapsed_time[0] = NULLCHAR;
4367 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4369 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4370 if(string[i] == ' ') { ranks++; files = 0; }
4372 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4375 for(j = 0; j <i; j++) board_chars[j] = string[j];
4376 board_chars[i] = '\0';
4379 n = sscanf(string, PATTERN, &to_play, &double_push,
4380 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4381 &gamenum, white, black, &relation, &basetime, &increment,
4382 &white_stren, &black_stren, &white_time, &black_time,
4383 &moveNum, str, elapsed_time, move_str, &ics_flip,
4387 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4388 DisplayError(str, 0);
4392 /* Convert the move number to internal form */
4393 moveNum = (moveNum - 1) * 2;
4394 if (to_play == 'B') moveNum++;
4395 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4396 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4402 case RELATION_OBSERVING_PLAYED:
4403 case RELATION_OBSERVING_STATIC:
4404 if (gamenum == -1) {
4405 /* Old ICC buglet */
4406 relation = RELATION_OBSERVING_STATIC;
4408 newGameMode = IcsObserving;
4410 case RELATION_PLAYING_MYMOVE:
4411 case RELATION_PLAYING_NOTMYMOVE:
4413 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4414 IcsPlayingWhite : IcsPlayingBlack;
4415 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4417 case RELATION_EXAMINING:
4418 newGameMode = IcsExamining;
4420 case RELATION_ISOLATED_BOARD:
4422 /* Just display this board. If user was doing something else,
4423 we will forget about it until the next board comes. */
4424 newGameMode = IcsIdle;
4426 case RELATION_STARTING_POSITION:
4427 newGameMode = gameMode;
4431 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4432 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4433 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4434 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4435 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4436 static int lastBgGame = -1;
4438 for (k = 0; k < ranks; k++) {
4439 for (j = 0; j < files; j++)
4440 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4441 if(gameInfo.holdingsWidth > 1) {
4442 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4443 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4446 CopyBoard(partnerBoard, board);
4447 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4448 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4449 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4450 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4451 if(toSqr = strchr(str, '-')) {
4452 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4453 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4454 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4455 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4456 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4457 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4459 DisplayWhiteClock(white_time*fac, to_play == 'W');
4460 DisplayBlackClock(black_time*fac, to_play != 'W');
4461 activePartner = to_play;
4462 if(gamenum != lastBgGame) {
4464 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4467 lastBgGame = gamenum;
4468 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4469 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4470 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4471 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4472 if(!twoBoards) DisplayMessage(partnerStatus, "");
4473 partnerBoardValid = TRUE;
4477 if(appData.dualBoard && appData.bgObserve) {
4478 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4479 SendToICS(ics_prefix), SendToICS("pobserve\n");
4480 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4482 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4487 /* Modify behavior for initial board display on move listing
4490 switch (ics_getting_history) {
4494 case H_GOT_REQ_HEADER:
4495 case H_GOT_UNREQ_HEADER:
4496 /* This is the initial position of the current game */
4497 gamenum = ics_gamenum;
4498 moveNum = 0; /* old ICS bug workaround */
4499 if (to_play == 'B') {
4500 startedFromSetupPosition = TRUE;
4501 blackPlaysFirst = TRUE;
4503 if (forwardMostMove == 0) forwardMostMove = 1;
4504 if (backwardMostMove == 0) backwardMostMove = 1;
4505 if (currentMove == 0) currentMove = 1;
4507 newGameMode = gameMode;
4508 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4510 case H_GOT_UNWANTED_HEADER:
4511 /* This is an initial board that we don't want */
4513 case H_GETTING_MOVES:
4514 /* Should not happen */
4515 DisplayError(_("Error gathering move list: extra board"), 0);
4516 ics_getting_history = H_FALSE;
4520 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4521 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4522 weird && (int)gameInfo.variant < (int)VariantShogi) {
4523 /* [HGM] We seem to have switched variant unexpectedly
4524 * Try to guess new variant from board size
4526 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4527 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4528 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4529 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4530 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4531 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4532 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4533 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4534 /* Get a move list just to see the header, which
4535 will tell us whether this is really bug or zh */
4536 if (ics_getting_history == H_FALSE) {
4537 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4538 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4543 /* Take action if this is the first board of a new game, or of a
4544 different game than is currently being displayed. */
4545 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4546 relation == RELATION_ISOLATED_BOARD) {
4548 /* Forget the old game and get the history (if any) of the new one */
4549 if (gameMode != BeginningOfGame) {
4553 if (appData.autoRaiseBoard) BoardToTop();
4555 if (gamenum == -1) {
4556 newGameMode = IcsIdle;
4557 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4558 appData.getMoveList && !reqFlag) {
4559 /* Need to get game history */
4560 ics_getting_history = H_REQUESTED;
4561 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4565 /* Initially flip the board to have black on the bottom if playing
4566 black or if the ICS flip flag is set, but let the user change
4567 it with the Flip View button. */
4568 flipView = appData.autoFlipView ?
4569 (newGameMode == IcsPlayingBlack) || ics_flip :
4572 /* Done with values from previous mode; copy in new ones */
4573 gameMode = newGameMode;
4575 ics_gamenum = gamenum;
4576 if (gamenum == gs_gamenum) {
4577 int klen = strlen(gs_kind);
4578 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4579 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4580 gameInfo.event = StrSave(str);
4582 gameInfo.event = StrSave("ICS game");
4584 gameInfo.site = StrSave(appData.icsHost);
4585 gameInfo.date = PGNDate();
4586 gameInfo.round = StrSave("-");
4587 gameInfo.white = StrSave(white);
4588 gameInfo.black = StrSave(black);
4589 timeControl = basetime * 60 * 1000;
4591 timeIncrement = increment * 1000;
4592 movesPerSession = 0;
4593 gameInfo.timeControl = TimeControlTagValue();
4594 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4595 if (appData.debugMode) {
4596 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4597 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4598 setbuf(debugFP, NULL);
4601 gameInfo.outOfBook = NULL;
4603 /* Do we have the ratings? */
4604 if (strcmp(player1Name, white) == 0 &&
4605 strcmp(player2Name, black) == 0) {
4606 if (appData.debugMode)
4607 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4608 player1Rating, player2Rating);
4609 gameInfo.whiteRating = player1Rating;
4610 gameInfo.blackRating = player2Rating;
4611 } else if (strcmp(player2Name, white) == 0 &&
4612 strcmp(player1Name, black) == 0) {
4613 if (appData.debugMode)
4614 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4615 player2Rating, player1Rating);
4616 gameInfo.whiteRating = player2Rating;
4617 gameInfo.blackRating = player1Rating;
4619 player1Name[0] = player2Name[0] = NULLCHAR;
4621 /* Silence shouts if requested */
4622 if (appData.quietPlay &&
4623 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4624 SendToICS(ics_prefix);
4625 SendToICS("set shout 0\n");
4629 /* Deal with midgame name changes */
4631 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4632 if (gameInfo.white) free(gameInfo.white);
4633 gameInfo.white = StrSave(white);
4635 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4636 if (gameInfo.black) free(gameInfo.black);
4637 gameInfo.black = StrSave(black);
4641 /* Throw away game result if anything actually changes in examine mode */
4642 if (gameMode == IcsExamining && !newGame) {
4643 gameInfo.result = GameUnfinished;
4644 if (gameInfo.resultDetails != NULL) {
4645 free(gameInfo.resultDetails);
4646 gameInfo.resultDetails = NULL;
4650 /* In pausing && IcsExamining mode, we ignore boards coming
4651 in if they are in a different variation than we are. */
4652 if (pauseExamInvalid) return;
4653 if (pausing && gameMode == IcsExamining) {
4654 if (moveNum <= pauseExamForwardMostMove) {
4655 pauseExamInvalid = TRUE;
4656 forwardMostMove = pauseExamForwardMostMove;
4661 if (appData.debugMode) {
4662 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4664 /* Parse the board */
4665 for (k = 0; k < ranks; k++) {
4666 for (j = 0; j < files; j++)
4667 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4668 if(gameInfo.holdingsWidth > 1) {
4669 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4670 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4673 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4674 board[5][BOARD_RGHT+1] = WhiteAngel;
4675 board[6][BOARD_RGHT+1] = WhiteMarshall;
4676 board[1][0] = BlackMarshall;
4677 board[2][0] = BlackAngel;
4678 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4680 CopyBoard(boards[moveNum], board);
4681 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4683 startedFromSetupPosition =
4684 !CompareBoards(board, initialPosition);
4685 if(startedFromSetupPosition)
4686 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4689 /* [HGM] Set castling rights. Take the outermost Rooks,
4690 to make it also work for FRC opening positions. Note that board12
4691 is really defective for later FRC positions, as it has no way to
4692 indicate which Rook can castle if they are on the same side of King.
4693 For the initial position we grant rights to the outermost Rooks,
4694 and remember thos rights, and we then copy them on positions
4695 later in an FRC game. This means WB might not recognize castlings with
4696 Rooks that have moved back to their original position as illegal,
4697 but in ICS mode that is not its job anyway.
4699 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4700 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4702 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4703 if(board[0][i] == WhiteRook) j = i;
4704 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4705 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4706 if(board[0][i] == WhiteRook) j = i;
4707 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4708 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4709 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4710 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4711 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4712 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4713 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4715 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4716 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4717 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4718 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4719 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4720 if(board[BOARD_HEIGHT-1][k] == bKing)
4721 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4722 if(gameInfo.variant == VariantTwoKings) {
4723 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4724 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4725 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4728 r = boards[moveNum][CASTLING][0] = initialRights[0];
4729 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4730 r = boards[moveNum][CASTLING][1] = initialRights[1];
4731 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4732 r = boards[moveNum][CASTLING][3] = initialRights[3];
4733 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4734 r = boards[moveNum][CASTLING][4] = initialRights[4];
4735 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4736 /* wildcastle kludge: always assume King has rights */
4737 r = boards[moveNum][CASTLING][2] = initialRights[2];
4738 r = boards[moveNum][CASTLING][5] = initialRights[5];
4740 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4741 boards[moveNum][EP_STATUS] = EP_NONE;
4742 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4743 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4744 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4747 if (ics_getting_history == H_GOT_REQ_HEADER ||
4748 ics_getting_history == H_GOT_UNREQ_HEADER) {
4749 /* This was an initial position from a move list, not
4750 the current position */
4754 /* Update currentMove and known move number limits */
4755 newMove = newGame || moveNum > forwardMostMove;
4758 forwardMostMove = backwardMostMove = currentMove = moveNum;
4759 if (gameMode == IcsExamining && moveNum == 0) {
4760 /* Workaround for ICS limitation: we are not told the wild
4761 type when starting to examine a game. But if we ask for
4762 the move list, the move list header will tell us */
4763 ics_getting_history = H_REQUESTED;
4764 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4767 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4768 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4770 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4771 /* [HGM] applied this also to an engine that is silently watching */
4772 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4773 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4774 gameInfo.variant == currentlyInitializedVariant) {
4775 takeback = forwardMostMove - moveNum;
4776 for (i = 0; i < takeback; i++) {
4777 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4778 SendToProgram("undo\n", &first);
4783 forwardMostMove = moveNum;
4784 if (!pausing || currentMove > forwardMostMove)
4785 currentMove = forwardMostMove;
4787 /* New part of history that is not contiguous with old part */
4788 if (pausing && gameMode == IcsExamining) {
4789 pauseExamInvalid = TRUE;
4790 forwardMostMove = pauseExamForwardMostMove;
4793 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4795 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4796 // [HGM] when we will receive the move list we now request, it will be
4797 // fed to the engine from the first move on. So if the engine is not
4798 // in the initial position now, bring it there.
4799 InitChessProgram(&first, 0);
4802 ics_getting_history = H_REQUESTED;
4803 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4806 forwardMostMove = backwardMostMove = currentMove = moveNum;
4809 /* Update the clocks */
4810 if (strchr(elapsed_time, '.')) {
4812 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4813 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4815 /* Time is in seconds */
4816 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4817 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4822 if (appData.zippyPlay && newGame &&
4823 gameMode != IcsObserving && gameMode != IcsIdle &&
4824 gameMode != IcsExamining)
4825 ZippyFirstBoard(moveNum, basetime, increment);
4828 /* Put the move on the move list, first converting
4829 to canonical algebraic form. */
4831 if (appData.debugMode) {
4832 int f = forwardMostMove;
4833 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4834 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4835 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4836 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4837 fprintf(debugFP, "moveNum = %d\n", moveNum);
4838 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4839 setbuf(debugFP, NULL);
4841 if (moveNum <= backwardMostMove) {
4842 /* We don't know what the board looked like before
4844 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4845 strcat(parseList[moveNum - 1], " ");
4846 strcat(parseList[moveNum - 1], elapsed_time);
4847 moveList[moveNum - 1][0] = NULLCHAR;
4848 } else if (strcmp(move_str, "none") == 0) {
4849 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4850 /* Again, we don't know what the board looked like;
4851 this is really the start of the game. */
4852 parseList[moveNum - 1][0] = NULLCHAR;
4853 moveList[moveNum - 1][0] = NULLCHAR;
4854 backwardMostMove = moveNum;
4855 startedFromSetupPosition = TRUE;
4856 fromX = fromY = toX = toY = -1;
4858 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4859 // So we parse the long-algebraic move string in stead of the SAN move
4860 int valid; char buf[MSG_SIZ], *prom;
4862 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4863 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4864 // str looks something like "Q/a1-a2"; kill the slash
4866 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4867 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4868 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4869 strcat(buf, prom); // long move lacks promo specification!
4870 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4871 if(appData.debugMode)
4872 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4873 safeStrCpy(move_str, buf, MSG_SIZ);
4875 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4876 &fromX, &fromY, &toX, &toY, &promoChar)
4877 || ParseOneMove(buf, moveNum - 1, &moveType,
4878 &fromX, &fromY, &toX, &toY, &promoChar);
4879 // end of long SAN patch
4881 (void) CoordsToAlgebraic(boards[moveNum - 1],
4882 PosFlags(moveNum - 1),
4883 fromY, fromX, toY, toX, promoChar,
4884 parseList[moveNum-1]);
4885 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4891 if(!IS_SHOGI(gameInfo.variant))
4892 strcat(parseList[moveNum - 1], "+");
4895 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4896 strcat(parseList[moveNum - 1], "#");
4899 strcat(parseList[moveNum - 1], " ");
4900 strcat(parseList[moveNum - 1], elapsed_time);
4901 /* currentMoveString is set as a side-effect of ParseOneMove */
4902 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4903 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4904 strcat(moveList[moveNum - 1], "\n");
4906 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4907 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4908 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4909 ChessSquare old, new = boards[moveNum][k][j];
4910 if(new == EmptySquare || fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4911 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4912 if(old == new) continue;
4913 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4914 else if(new == WhiteWazir || new == BlackWazir) {
4915 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4916 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4917 else boards[moveNum][k][j] = old; // preserve type of Gold
4918 } else if(old == WhitePawn || old == BlackPawn) // Pawn promotions (but not e.p.capture!)
4919 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4922 /* Move from ICS was illegal!? Punt. */
4923 if (appData.debugMode) {
4924 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4925 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4927 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4928 strcat(parseList[moveNum - 1], " ");
4929 strcat(parseList[moveNum - 1], elapsed_time);
4930 moveList[moveNum - 1][0] = NULLCHAR;
4931 fromX = fromY = toX = toY = -1;
4934 if (appData.debugMode) {
4935 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4936 setbuf(debugFP, NULL);
4940 /* Send move to chess program (BEFORE animating it). */
4941 if (appData.zippyPlay && !newGame && newMove &&
4942 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4944 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4945 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4946 if (moveList[moveNum - 1][0] == NULLCHAR) {
4947 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4949 DisplayError(str, 0);
4951 if (first.sendTime) {
4952 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4954 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4955 if (firstMove && !bookHit) {
4957 if (first.useColors) {
4958 SendToProgram(gameMode == IcsPlayingWhite ?
4960 "black\ngo\n", &first);
4962 SendToProgram("go\n", &first);
4964 first.maybeThinking = TRUE;
4967 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4968 if (moveList[moveNum - 1][0] == NULLCHAR) {
4969 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4970 DisplayError(str, 0);
4972 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4973 SendMoveToProgram(moveNum - 1, &first);
4980 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4981 /* If move comes from a remote source, animate it. If it
4982 isn't remote, it will have already been animated. */
4983 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4984 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4986 if (!pausing && appData.highlightLastMove) {
4987 SetHighlights(fromX, fromY, toX, toY);
4991 /* Start the clocks */
4992 whiteFlag = blackFlag = FALSE;
4993 appData.clockMode = !(basetime == 0 && increment == 0);
4995 ics_clock_paused = TRUE;
4997 } else if (ticking == 1) {
4998 ics_clock_paused = FALSE;
5000 if (gameMode == IcsIdle ||
5001 relation == RELATION_OBSERVING_STATIC ||
5002 relation == RELATION_EXAMINING ||
5004 DisplayBothClocks();
5008 /* Display opponents and material strengths */
5009 if (gameInfo.variant != VariantBughouse &&
5010 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
5011 if (tinyLayout || smallLayout) {
5012 if(gameInfo.variant == VariantNormal)
5013 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5014 gameInfo.white, white_stren, gameInfo.black, black_stren,
5015 basetime, increment);
5017 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5018 gameInfo.white, white_stren, gameInfo.black, black_stren,
5019 basetime, increment, (int) gameInfo.variant);
5021 if(gameInfo.variant == VariantNormal)
5022 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5023 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5024 basetime, increment);
5026 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5027 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5028 basetime, increment, VariantName(gameInfo.variant));
5031 if (appData.debugMode) {
5032 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5037 /* Display the board */
5038 if (!pausing && !appData.noGUI) {
5040 if (appData.premove)
5042 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5043 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5044 ClearPremoveHighlights();
5046 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5047 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5048 DrawPosition(j, boards[currentMove]);
5050 DisplayMove(moveNum - 1);
5051 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5052 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5053 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5054 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5058 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5060 if(bookHit) { // [HGM] book: simulate book reply
5061 static char bookMove[MSG_SIZ]; // a bit generous?
5063 programStats.nodes = programStats.depth = programStats.time =
5064 programStats.score = programStats.got_only_move = 0;
5065 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5067 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5068 strcat(bookMove, bookHit);
5069 HandleMachineMove(bookMove, &first);
5078 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5079 ics_getting_history = H_REQUESTED;
5080 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5086 SendToBoth (char *msg)
5087 { // to make it easy to keep two engines in step in dual analysis
5088 SendToProgram(msg, &first);
5089 if(second.analyzing) SendToProgram(msg, &second);
5093 AnalysisPeriodicEvent (int force)
5095 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5096 && !force) || !appData.periodicUpdates)
5099 /* Send . command to Crafty to collect stats */
5102 /* Don't send another until we get a response (this makes
5103 us stop sending to old Crafty's which don't understand
5104 the "." command (sending illegal cmds resets node count & time,
5105 which looks bad)) */
5106 programStats.ok_to_send = 0;
5110 ics_update_width (int new_width)
5112 ics_printf("set width %d\n", new_width);
5116 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5120 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5121 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5122 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5123 SendToProgram(buf, cps);
5126 // null move in variant where engine does not understand it (for analysis purposes)
5127 SendBoard(cps, moveNum + 1); // send position after move in stead.
5130 if (cps->useUsermove) {
5131 SendToProgram("usermove ", cps);
5135 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5136 int len = space - parseList[moveNum];
5137 memcpy(buf, parseList[moveNum], len);
5139 buf[len] = NULLCHAR;
5141 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5143 SendToProgram(buf, cps);
5145 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5146 AlphaRank(moveList[moveNum], 4);
5147 SendToProgram(moveList[moveNum], cps);
5148 AlphaRank(moveList[moveNum], 4); // and back
5150 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5151 * the engine. It would be nice to have a better way to identify castle
5153 if(appData.fischerCastling && cps->useOOCastle) {
5154 int fromX = moveList[moveNum][0] - AAA;
5155 int fromY = moveList[moveNum][1] - ONE;
5156 int toX = moveList[moveNum][2] - AAA;
5157 int toY = moveList[moveNum][3] - ONE;
5158 if((boards[moveNum][fromY][fromX] == WhiteKing
5159 && boards[moveNum][toY][toX] == WhiteRook)
5160 || (boards[moveNum][fromY][fromX] == BlackKing
5161 && boards[moveNum][toY][toX] == BlackRook)) {
5162 if(toX > fromX) SendToProgram("O-O\n", cps);
5163 else SendToProgram("O-O-O\n", cps);
5165 else SendToProgram(moveList[moveNum], cps);
5167 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5168 char *m = moveList[moveNum];
5170 *c = m[7]; if(*c == '\n') *c = NULLCHAR; // promoChar
5171 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
5172 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5175 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5176 else if(*c && m[8] != '\n') { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5177 *c = m[9]; if(*c == '\n') *c = NULLCHAR;
5178 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
5183 m[2], m[3] - '0', c);
5185 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5188 m[2], m[3] - '0', c);
5189 SendToProgram(buf, cps);
5191 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5192 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5193 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5194 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5195 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5197 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5198 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5199 SendToProgram(buf, cps);
5201 else SendToProgram(moveList[moveNum], cps);
5202 /* End of additions by Tord */
5205 /* [HGM] setting up the opening has brought engine in force mode! */
5206 /* Send 'go' if we are in a mode where machine should play. */
5207 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5208 (gameMode == TwoMachinesPlay ||
5210 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5212 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5213 SendToProgram("go\n", cps);
5214 if (appData.debugMode) {
5215 fprintf(debugFP, "(extra)\n");
5218 setboardSpoiledMachineBlack = 0;
5222 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5224 char user_move[MSG_SIZ];
5227 if(gameInfo.variant == VariantSChess && promoChar) {
5228 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5229 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5230 } else suffix[0] = NULLCHAR;
5234 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5235 (int)moveType, fromX, fromY, toX, toY);
5236 DisplayError(user_move + strlen("say "), 0);
5238 case WhiteKingSideCastle:
5239 case BlackKingSideCastle:
5240 case WhiteQueenSideCastleWild:
5241 case BlackQueenSideCastleWild:
5243 case WhiteHSideCastleFR:
5244 case BlackHSideCastleFR:
5246 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5248 case WhiteQueenSideCastle:
5249 case BlackQueenSideCastle:
5250 case WhiteKingSideCastleWild:
5251 case BlackKingSideCastleWild:
5253 case WhiteASideCastleFR:
5254 case BlackASideCastleFR:
5256 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5258 case WhiteNonPromotion:
5259 case BlackNonPromotion:
5260 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5262 case WhitePromotion:
5263 case BlackPromotion:
5264 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5265 gameInfo.variant == VariantMakruk)
5266 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5267 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5268 PieceToChar(WhiteFerz));
5269 else if(gameInfo.variant == VariantGreat)
5270 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5271 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5272 PieceToChar(WhiteMan));
5274 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5275 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5281 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5282 ToUpper(PieceToChar((ChessSquare) fromX)),
5283 AAA + toX, ONE + toY);
5285 case IllegalMove: /* could be a variant we don't quite understand */
5286 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5288 case WhiteCapturesEnPassant:
5289 case BlackCapturesEnPassant:
5290 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5291 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5294 SendToICS(user_move);
5295 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5296 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5301 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5302 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5303 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5304 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5305 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5308 if(gameMode != IcsExamining) { // is this ever not the case?
5309 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5311 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5312 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5313 } else { // on FICS we must first go to general examine mode
5314 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5316 if(gameInfo.variant != VariantNormal) {
5317 // try figure out wild number, as xboard names are not always valid on ICS
5318 for(i=1; i<=36; i++) {
5319 snprintf(buf, MSG_SIZ, "wild/%d", i);
5320 if(StringToVariant(buf) == gameInfo.variant) break;
5322 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5323 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5324 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5325 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5326 SendToICS(ics_prefix);
5328 if(startedFromSetupPosition || backwardMostMove != 0) {
5329 fen = PositionToFEN(backwardMostMove, NULL, 1);
5330 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5331 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5333 } else { // FICS: everything has to set by separate bsetup commands
5334 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5335 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5337 if(!WhiteOnMove(backwardMostMove)) {
5338 SendToICS("bsetup tomove black\n");
5340 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5341 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5343 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5344 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5346 i = boards[backwardMostMove][EP_STATUS];
5347 if(i >= 0) { // set e.p.
5348 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5354 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5355 SendToICS("bsetup done\n"); // switch to normal examining.
5357 for(i = backwardMostMove; i<last; i++) {
5359 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5360 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5361 int len = strlen(moveList[i]);
5362 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5363 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5367 SendToICS(ics_prefix);
5368 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5371 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5375 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5377 if (rf == DROP_RANK) {
5378 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5379 sprintf(move, "%c@%c%c\n",
5380 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5382 if (promoChar == 'x' || promoChar == NULLCHAR) {
5383 sprintf(move, "%c%c%c%c\n",
5384 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5385 if(killX >= 0 && killY >= 0) {
5386 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5387 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5390 sprintf(move, "%c%c%c%c%c\n",
5391 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5392 if(killX >= 0 && killY >= 0) {
5393 sprintf(move+4, ";%c%c%c\n", AAA + killX, ONE + killY, promoChar);
5394 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5401 ProcessICSInitScript (FILE *f)
5405 while (fgets(buf, MSG_SIZ, f)) {
5406 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5413 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5415 static ClickType lastClickType;
5418 PieceInString (char *s, ChessSquare piece)
5420 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5421 while((p = strchr(s, ID))) {
5422 if(!suffix || p[1] == suffix) return TRUE;
5429 Partner (ChessSquare *p)
5430 { // change piece into promotion partner if one shogi-promotes to the other
5431 ChessSquare partner = promoPartner[*p];
5432 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5433 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5441 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5442 static int toggleFlag;
5443 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5444 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5445 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5446 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5447 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5448 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5450 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5451 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5452 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5453 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5454 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5455 if(!step) step = -1;
5456 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5457 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5458 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5459 promoSweep == pawn ||
5460 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5461 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5463 int victim = boards[currentMove][toY][toX];
5464 boards[currentMove][toY][toX] = promoSweep;
5465 DrawPosition(FALSE, boards[currentMove]);
5466 boards[currentMove][toY][toX] = victim;
5468 ChangeDragPiece(promoSweep);
5472 PromoScroll (int x, int y)
5476 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5477 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5478 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5479 if(!step) return FALSE;
5480 lastX = x; lastY = y;
5481 if((promoSweep < BlackPawn) == flipView) step = -step;
5482 if(step > 0) selectFlag = 1;
5483 if(!selectFlag) Sweep(step);
5488 NextPiece (int step)
5490 ChessSquare piece = boards[currentMove][toY][toX];
5493 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5494 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5495 if(!step) step = -1;
5496 } while(PieceToChar(pieceSweep) == '.');
5497 boards[currentMove][toY][toX] = pieceSweep;
5498 DrawPosition(FALSE, boards[currentMove]);
5499 boards[currentMove][toY][toX] = piece;
5501 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5503 AlphaRank (char *move, int n)
5505 // char *p = move, c; int x, y;
5507 if (appData.debugMode) {
5508 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5512 move[2]>='0' && move[2]<='9' &&
5513 move[3]>='a' && move[3]<='x' ) {
5515 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5516 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5518 if(move[0]>='0' && move[0]<='9' &&
5519 move[1]>='a' && move[1]<='x' &&
5520 move[2]>='0' && move[2]<='9' &&
5521 move[3]>='a' && move[3]<='x' ) {
5522 /* input move, Shogi -> normal */
5523 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5524 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5525 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5526 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5529 move[3]>='0' && move[3]<='9' &&
5530 move[2]>='a' && move[2]<='x' ) {
5532 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5533 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5536 move[0]>='a' && move[0]<='x' &&
5537 move[3]>='0' && move[3]<='9' &&
5538 move[2]>='a' && move[2]<='x' ) {
5539 /* output move, normal -> Shogi */
5540 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5541 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5542 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5543 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5544 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5546 if (appData.debugMode) {
5547 fprintf(debugFP, " out = '%s'\n", move);
5551 char yy_textstr[8000];
5553 /* Parser for moves from gnuchess, ICS, or user typein box */
5555 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5557 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5559 switch (*moveType) {
5560 case WhitePromotion:
5561 case BlackPromotion:
5562 case WhiteNonPromotion:
5563 case BlackNonPromotion:
5566 case WhiteCapturesEnPassant:
5567 case BlackCapturesEnPassant:
5568 case WhiteKingSideCastle:
5569 case WhiteQueenSideCastle:
5570 case BlackKingSideCastle:
5571 case BlackQueenSideCastle:
5572 case WhiteKingSideCastleWild:
5573 case WhiteQueenSideCastleWild:
5574 case BlackKingSideCastleWild:
5575 case BlackQueenSideCastleWild:
5576 /* Code added by Tord: */
5577 case WhiteHSideCastleFR:
5578 case WhiteASideCastleFR:
5579 case BlackHSideCastleFR:
5580 case BlackASideCastleFR:
5581 /* End of code added by Tord */
5582 case IllegalMove: /* bug or odd chess variant */
5583 if(currentMoveString[1] == '@') { // illegal drop
5584 *fromX = WhiteOnMove(moveNum) ?
5585 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5586 (int) CharToPiece(ToLower(currentMoveString[0]));
5589 *fromX = currentMoveString[0] - AAA;
5590 *fromY = currentMoveString[1] - ONE;
5591 *toX = currentMoveString[2] - AAA;
5592 *toY = currentMoveString[3] - ONE;
5593 *promoChar = currentMoveString[4];
5594 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5595 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5596 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5597 if (appData.debugMode) {
5598 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5600 *fromX = *fromY = *toX = *toY = 0;
5603 if (appData.testLegality) {
5604 return (*moveType != IllegalMove);
5606 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5607 // [HGM] lion: if this is a double move we are less critical
5608 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5613 *fromX = *moveType == WhiteDrop ?
5614 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5615 (int) CharToPiece(ToLower(currentMoveString[0]));
5618 *toX = currentMoveString[2] - AAA;
5619 *toY = currentMoveString[3] - ONE;
5620 *promoChar = NULLCHAR;
5624 case ImpossibleMove:
5634 if (appData.debugMode) {
5635 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5638 *fromX = *fromY = *toX = *toY = 0;
5639 *promoChar = NULLCHAR;
5644 Boolean pushed = FALSE;
5645 char *lastParseAttempt;
5648 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5649 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5650 int fromX, fromY, toX, toY; char promoChar;
5655 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5656 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5657 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5660 endPV = forwardMostMove;
5662 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5663 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5664 lastParseAttempt = pv;
5665 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5666 if(!valid && nr == 0 &&
5667 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5668 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5669 // Hande case where played move is different from leading PV move
5670 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5671 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5672 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5673 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5674 endPV += 2; // if position different, keep this
5675 moveList[endPV-1][0] = fromX + AAA;
5676 moveList[endPV-1][1] = fromY + ONE;
5677 moveList[endPV-1][2] = toX + AAA;
5678 moveList[endPV-1][3] = toY + ONE;
5679 parseList[endPV-1][0] = NULLCHAR;
5680 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5683 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5684 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5685 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5686 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5687 valid++; // allow comments in PV
5691 if(endPV+1 > framePtr) break; // no space, truncate
5694 CopyBoard(boards[endPV], boards[endPV-1]);
5695 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5696 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5697 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5698 CoordsToAlgebraic(boards[endPV - 1],
5699 PosFlags(endPV - 1),
5700 fromY, fromX, toY, toX, promoChar,
5701 parseList[endPV - 1]);
5703 if(atEnd == 2) return; // used hidden, for PV conversion
5704 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5705 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5706 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5707 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5708 DrawPosition(TRUE, boards[currentMove]);
5712 MultiPV (ChessProgramState *cps, int kind)
5713 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5715 for(i=0; i<cps->nrOptions; i++) {
5716 char *s = cps->option[i].name;
5717 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5718 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5719 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5724 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5725 static int multi, pv_margin;
5726 static ChessProgramState *activeCps;
5729 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5731 int startPV, lineStart, origIndex = index;
5732 char *p, buf2[MSG_SIZ];
5733 ChessProgramState *cps = (pane ? &second : &first);
5735 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5736 lastX = x; lastY = y;
5737 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5738 lineStart = startPV = index;
5739 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5740 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5742 do{ while(buf[index] && buf[index] != '\n') index++;
5743 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5745 if(lineStart == 0 && gameMode == AnalyzeMode) {
5747 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5748 if(n == 0) { // click not on "fewer" or "more"
5749 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5750 pv_margin = cps->option[multi].value;
5751 activeCps = cps; // non-null signals margin adjustment
5753 } else if((multi = MultiPV(cps, 1)) >= 0) {
5754 n += cps->option[multi].value; if(n < 1) n = 1;
5755 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5756 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5757 cps->option[multi].value = n;
5761 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5762 ExcludeClick(origIndex - lineStart);
5764 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5765 Collapse(origIndex - lineStart);
5768 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5769 *start = startPV; *end = index-1;
5770 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5777 static char buf[10*MSG_SIZ];
5778 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5780 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5781 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5782 for(i = forwardMostMove; i<endPV; i++){
5783 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5784 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5787 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5788 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5789 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5795 LoadPV (int x, int y)
5796 { // called on right mouse click to load PV
5797 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5798 lastX = x; lastY = y;
5799 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5807 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5809 if(pv_margin != activeCps->option[multi].value) {
5811 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5812 SendToProgram(buf, activeCps);
5813 activeCps->option[multi].value = pv_margin;
5818 if(endPV < 0) return;
5819 if(appData.autoCopyPV) CopyFENToClipboard();
5821 if(extendGame && currentMove > forwardMostMove) {
5822 Boolean saveAnimate = appData.animate;
5824 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5825 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5826 } else storedGames--; // abandon shelved tail of original game
5829 forwardMostMove = currentMove;
5830 currentMove = oldFMM;
5831 appData.animate = FALSE;
5832 ToNrEvent(forwardMostMove);
5833 appData.animate = saveAnimate;
5835 currentMove = forwardMostMove;
5836 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5837 ClearPremoveHighlights();
5838 DrawPosition(TRUE, boards[currentMove]);
5842 MovePV (int x, int y, int h)
5843 { // step through PV based on mouse coordinates (called on mouse move)
5844 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5846 if(activeCps) { // adjusting engine's multi-pv margin
5847 if(x > lastX) pv_margin++; else
5848 if(x < lastX) pv_margin -= (pv_margin > 0);
5851 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5852 DisplayMessage(buf, "");
5857 // we must somehow check if right button is still down (might be released off board!)
5858 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5859 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5860 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5862 lastX = x; lastY = y;
5864 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5865 if(endPV < 0) return;
5866 if(y < margin) step = 1; else
5867 if(y > h - margin) step = -1;
5868 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5869 currentMove += step;
5870 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5871 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5872 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5873 DrawPosition(FALSE, boards[currentMove]);
5877 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5878 // All positions will have equal probability, but the current method will not provide a unique
5879 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5885 int piecesLeft[(int)BlackPawn];
5886 int seed, nrOfShuffles;
5889 GetPositionNumber ()
5890 { // sets global variable seed
5893 seed = appData.defaultFrcPosition;
5894 if(seed < 0) { // randomize based on time for negative FRC position numbers
5895 for(i=0; i<50; i++) seed += random();
5896 seed = random() ^ random() >> 8 ^ random() << 8;
5897 if(seed<0) seed = -seed;
5902 put (Board board, int pieceType, int rank, int n, int shade)
5903 // put the piece on the (n-1)-th empty squares of the given shade
5907 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5908 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5909 board[rank][i] = (ChessSquare) pieceType;
5910 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5912 piecesLeft[pieceType]--;
5921 AddOnePiece (Board board, int pieceType, int rank, int shade)
5922 // calculate where the next piece goes, (any empty square), and put it there
5926 i = seed % squaresLeft[shade];
5927 nrOfShuffles *= squaresLeft[shade];
5928 seed /= squaresLeft[shade];
5929 put(board, pieceType, rank, i, shade);
5933 AddTwoPieces (Board board, int pieceType, int rank)
5934 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5936 int i, n=squaresLeft[ANY], j=n-1, k;
5938 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5939 i = seed % k; // pick one
5942 while(i >= j) i -= j--;
5943 j = n - 1 - j; i += j;
5944 put(board, pieceType, rank, j, ANY);
5945 put(board, pieceType, rank, i, ANY);
5949 SetUpShuffle (Board board, int number)
5953 GetPositionNumber(); nrOfShuffles = 1;
5955 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5956 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5957 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5959 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5961 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5962 p = (int) board[0][i];
5963 if(p < (int) BlackPawn) piecesLeft[p] ++;
5964 board[0][i] = EmptySquare;
5967 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5968 // shuffles restricted to allow normal castling put KRR first
5969 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5970 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5971 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5972 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5973 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5974 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5975 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5976 put(board, WhiteRook, 0, 0, ANY);
5977 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5980 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5981 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5982 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5983 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5984 while(piecesLeft[p] >= 2) {
5985 AddOnePiece(board, p, 0, LITE);
5986 AddOnePiece(board, p, 0, DARK);
5988 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5991 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5992 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5993 // but we leave King and Rooks for last, to possibly obey FRC restriction
5994 if(p == (int)WhiteRook) continue;
5995 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5996 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5999 // now everything is placed, except perhaps King (Unicorn) and Rooks
6001 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
6002 // Last King gets castling rights
6003 while(piecesLeft[(int)WhiteUnicorn]) {
6004 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6005 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6008 while(piecesLeft[(int)WhiteKing]) {
6009 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
6010 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6015 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6016 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6019 // Only Rooks can be left; simply place them all
6020 while(piecesLeft[(int)WhiteRook]) {
6021 i = put(board, WhiteRook, 0, 0, ANY);
6022 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6025 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6027 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6030 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6031 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6034 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6038 ptclen (const char *s, char *escapes)
6041 if(!*escapes) return strlen(s);
6042 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6047 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6048 /* [HGM] moved here from winboard.c because of its general usefulness */
6049 /* Basically a safe strcpy that uses the last character as King */
6051 int result = FALSE; int NrPieces;
6052 unsigned char partner[EmptySquare];
6054 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6055 && NrPieces >= 12 && !(NrPieces&1)) {
6056 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6058 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6059 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6061 if(map[j] == '/') offs = WhitePBishop - i, j++;
6062 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6063 table[i+offs] = map[j++];
6064 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6065 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6066 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6068 table[(int) WhiteKing] = map[j++];
6069 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6071 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6072 i = WHITE_TO_BLACK ii;
6073 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6074 table[i+offs] = map[j++];
6075 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6076 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6077 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6079 table[(int) BlackKing] = map[j++];
6082 if(*escapes) { // set up promotion pairing
6083 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6084 // pieceToChar entirely filled, so we can look up specified partners
6085 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6087 if(c == '^' || c == '-') { // has specified partner
6089 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6090 if(c == '^') table[i] = '+';
6091 if(p < EmptySquare) {
6092 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6093 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6094 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6096 } else if(c == '*') {
6097 table[i] = partner[i];
6098 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6110 SetCharTable (unsigned char *table, const char * map)
6112 return SetCharTableEsc(table, map, "");
6116 Prelude (Board board)
6117 { // [HGM] superchess: random selection of exo-pieces
6118 int i, j, k; ChessSquare p;
6119 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6121 GetPositionNumber(); // use FRC position number
6123 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6124 SetCharTable(pieceToChar, appData.pieceToCharTable);
6125 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6126 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6129 j = seed%4; seed /= 4;
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[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6133 j = seed%3 + (seed%3 >= j); seed /= 3;
6134 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6135 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6136 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6137 j = seed%3; seed /= 3;
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[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6141 j = seed%2 + (seed%2 >= j); seed /= 2;
6142 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6143 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6144 board[handSize-1-k][0] = WHITE_TO_BLACK p; board[handSize-1-k][1]++;
6145 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6146 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6147 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6148 put(board, exoPieces[0], 0, 0, ANY);
6149 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6153 InitPosition (int redraw)
6155 ChessSquare (* pieces)[BOARD_FILES];
6156 int i, j, pawnRow=1, pieceRows=1, overrule,
6157 oldx = gameInfo.boardWidth,
6158 oldy = gameInfo.boardHeight,
6159 oldh = gameInfo.holdingsWidth;
6162 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6164 /* [AS] Initialize pv info list [HGM] and game status */
6166 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6167 pvInfoList[i].depth = 0;
6168 boards[i][EP_STATUS] = EP_NONE;
6169 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6172 initialRulePlies = 0; /* 50-move counter start */
6174 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6175 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6179 /* [HGM] logic here is completely changed. In stead of full positions */
6180 /* the initialized data only consist of the two backranks. The switch */
6181 /* selects which one we will use, which is than copied to the Board */
6182 /* initialPosition, which for the rest is initialized by Pawns and */
6183 /* empty squares. This initial position is then copied to boards[0], */
6184 /* possibly after shuffling, so that it remains available. */
6186 gameInfo.holdingsWidth = 0; /* default board sizes */
6187 gameInfo.boardWidth = 8;
6188 gameInfo.boardHeight = 8;
6189 gameInfo.holdingsSize = 0;
6190 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6191 for(i=0; i<BOARD_FILES-6; i++)
6192 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6193 initialPosition[EP_STATUS] = EP_NONE;
6194 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6195 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6196 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6197 SetCharTable(pieceNickName, appData.pieceNickNames);
6198 else SetCharTable(pieceNickName, "............");
6201 switch (gameInfo.variant) {
6202 case VariantFischeRandom:
6203 shuffleOpenings = TRUE;
6204 appData.fischerCastling = TRUE;
6207 case VariantShatranj:
6208 pieces = ShatranjArray;
6209 nrCastlingRights = 0;
6210 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6213 pieces = makrukArray;
6214 nrCastlingRights = 0;
6215 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6218 pieces = aseanArray;
6219 nrCastlingRights = 0;
6220 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6222 case VariantTwoKings:
6223 pieces = twoKingsArray;
6226 pieces = GrandArray;
6227 nrCastlingRights = 0;
6228 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6229 gameInfo.boardWidth = 10;
6230 gameInfo.boardHeight = 10;
6231 gameInfo.holdingsSize = 7;
6233 case VariantCapaRandom:
6234 shuffleOpenings = TRUE;
6235 appData.fischerCastling = TRUE;
6236 case VariantCapablanca:
6237 pieces = CapablancaArray;
6238 gameInfo.boardWidth = 10;
6239 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6242 pieces = GothicArray;
6243 gameInfo.boardWidth = 10;
6244 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6247 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6248 gameInfo.holdingsSize = 7;
6249 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6252 pieces = JanusArray;
6253 gameInfo.boardWidth = 10;
6254 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6255 nrCastlingRights = 6;
6256 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6257 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6258 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6259 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6260 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6261 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6264 pieces = FalconArray;
6265 gameInfo.boardWidth = 10;
6266 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6268 case VariantXiangqi:
6269 pieces = XiangqiArray;
6270 gameInfo.boardWidth = 9;
6271 gameInfo.boardHeight = 10;
6272 nrCastlingRights = 0;
6273 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6276 pieces = ShogiArray;
6277 gameInfo.boardWidth = 9;
6278 gameInfo.boardHeight = 9;
6279 gameInfo.holdingsSize = 7;
6280 nrCastlingRights = 0;
6281 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6284 pieces = ChuArray; pieceRows = 3;
6285 gameInfo.boardWidth = 12;
6286 gameInfo.boardHeight = 12;
6287 nrCastlingRights = 0;
6288 // SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6289 // "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6290 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"
6291 "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);
6293 case VariantCourier:
6294 pieces = CourierArray;
6295 gameInfo.boardWidth = 12;
6296 nrCastlingRights = 0;
6297 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6299 case VariantKnightmate:
6300 pieces = KnightmateArray;
6301 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6303 case VariantSpartan:
6304 pieces = SpartanArray;
6305 SetCharTable(pieceToChar, "PNBRQ.....................K......lw......g...h......ck");
6309 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6311 case VariantChuChess:
6312 pieces = ChuChessArray;
6313 gameInfo.boardWidth = 10;
6314 gameInfo.boardHeight = 10;
6315 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6318 pieces = fairyArray;
6319 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6322 pieces = GreatArray;
6323 gameInfo.boardWidth = 10;
6324 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6325 gameInfo.holdingsSize = 8;
6329 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6330 gameInfo.holdingsSize = 8;
6331 startedFromSetupPosition = TRUE;
6333 case VariantCrazyhouse:
6334 case VariantBughouse:
6336 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6337 gameInfo.holdingsSize = 5;
6339 case VariantWildCastle:
6341 /* !!?shuffle with kings guaranteed to be on d or e file */
6342 shuffleOpenings = 1;
6344 case VariantNoCastle:
6346 nrCastlingRights = 0;
6347 /* !!?unconstrained back-rank shuffle */
6348 shuffleOpenings = 1;
6353 if(appData.NrFiles >= 0) {
6354 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6355 gameInfo.boardWidth = appData.NrFiles;
6357 if(appData.NrRanks >= 0) {
6358 gameInfo.boardHeight = appData.NrRanks;
6360 if(appData.holdingsSize >= 0) {
6361 i = appData.holdingsSize;
6362 // if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6363 gameInfo.holdingsSize = i;
6365 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6366 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6367 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6369 if(!handSize) handSize = BOARD_HEIGHT;
6370 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6371 if(pawnRow < 1) pawnRow = 1;
6372 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6373 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6374 if(gameInfo.variant == VariantChu) pawnRow = 3;
6376 /* User pieceToChar list overrules defaults */
6377 if(appData.pieceToCharTable != NULL)
6378 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6380 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6382 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6383 s = (ChessSquare) 0; /* account holding counts in guard band */
6384 for( i=0; i<BOARD_HEIGHT; i++ )
6385 initialPosition[i][j] = s;
6387 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6388 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6389 initialPosition[pawnRow][j] = WhitePawn;
6390 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6391 if(gameInfo.variant == VariantXiangqi) {
6393 initialPosition[pawnRow][j] =
6394 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6395 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6396 initialPosition[2][j] = WhiteCannon;
6397 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6401 if(gameInfo.variant == VariantChu) {
6402 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6403 initialPosition[pawnRow+1][j] = WhiteCobra,
6404 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6405 for(i=1; i<pieceRows; i++) {
6406 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6407 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6410 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6411 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6412 initialPosition[0][j] = WhiteRook;
6413 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6416 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6418 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6419 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6422 initialPosition[1][j] = WhiteBishop;
6423 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6425 initialPosition[1][j] = WhiteRook;
6426 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6429 if( nrCastlingRights == -1) {
6430 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6431 /* This sets default castling rights from none to normal corners */
6432 /* Variants with other castling rights must set them themselves above */
6433 nrCastlingRights = 6;
6435 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6436 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6437 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6438 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6439 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6440 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6443 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6444 if(gameInfo.variant == VariantGreat) { // promotion commoners
6445 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6446 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6447 initialPosition[handSize-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6448 initialPosition[handSize-1-PieceToNumber(WhiteMan)][1] = 9;
6450 if( gameInfo.variant == VariantSChess ) {
6451 initialPosition[1][0] = BlackMarshall;
6452 initialPosition[2][0] = BlackAngel;
6453 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6454 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6455 initialPosition[1][1] = initialPosition[2][1] =
6456 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6458 initialPosition[CHECK_COUNT] = (gameInfo.variant == Variant3Check ? 0x303 : 0);
6459 if (appData.debugMode) {
6460 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6462 if(shuffleOpenings) {
6463 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6464 startedFromSetupPosition = TRUE;
6466 if(startedFromPositionFile) {
6467 /* [HGM] loadPos: use PositionFile for every new game */
6468 CopyBoard(initialPosition, filePosition);
6469 for(i=0; i<nrCastlingRights; i++)
6470 initialRights[i] = filePosition[CASTLING][i];
6471 startedFromSetupPosition = TRUE;
6473 if(*appData.men) LoadPieceDesc(appData.men);
6475 CopyBoard(boards[0], initialPosition);
6477 if(oldx != gameInfo.boardWidth ||
6478 oldy != gameInfo.boardHeight ||
6479 oldv != gameInfo.variant ||
6480 oldh != gameInfo.holdingsWidth
6482 InitDrawingSizes(-2 ,0);
6484 oldv = gameInfo.variant;
6486 DrawPosition(TRUE, boards[currentMove]);
6490 SendBoard (ChessProgramState *cps, int moveNum)
6492 char message[MSG_SIZ];
6494 if (cps->useSetboard) {
6495 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6496 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6497 SendToProgram(message, cps);
6502 int i, j, left=0, right=BOARD_WIDTH;
6503 /* Kludge to set black to move, avoiding the troublesome and now
6504 * deprecated "black" command.
6506 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6507 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn && !pieceDesc[WhitePawn] ? "a2a3\n" : "black\nforce\n", cps);
6509 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6511 SendToProgram("edit\n", cps);
6512 SendToProgram("#\n", cps);
6513 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6514 bp = &boards[moveNum][i][left];
6515 for (j = left; j < right; j++, bp++) {
6516 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6517 if ((int) *bp < (int) BlackPawn) {
6518 if(j == BOARD_RGHT+1)
6519 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6520 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6521 if(message[0] == '+' || message[0] == '~') {
6522 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6523 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6524 AAA + j, ONE + i - '0');
6526 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6527 message[1] = BOARD_RGHT - 1 - j + '1';
6528 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6530 SendToProgram(message, cps);
6535 SendToProgram("c\n", cps);
6536 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6537 bp = &boards[moveNum][i][left];
6538 for (j = left; j < right; j++, bp++) {
6539 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6540 if (((int) *bp != (int) EmptySquare)
6541 && ((int) *bp >= (int) BlackPawn)) {
6542 if(j == BOARD_LEFT-2)
6543 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6544 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6545 AAA + j, ONE + i - '0');
6546 if(message[0] == '+' || message[0] == '~') {
6547 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6548 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6549 AAA + j, ONE + i - '0');
6551 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6552 message[1] = BOARD_RGHT - 1 - j + '1';
6553 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6555 SendToProgram(message, cps);
6560 SendToProgram(".\n", cps);
6562 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6565 char exclusionHeader[MSG_SIZ];
6566 int exCnt, excludePtr;
6567 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6568 static Exclusion excluTab[200];
6569 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6575 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6576 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6582 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6583 excludePtr = 24; exCnt = 0;
6588 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6589 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6590 char buf[2*MOVE_LEN], *p;
6591 Exclusion *e = excluTab;
6593 for(i=0; i<exCnt; i++)
6594 if(e[i].ff == fromX && e[i].fr == fromY &&
6595 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6596 if(i == exCnt) { // was not in exclude list; add it
6597 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6598 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6599 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6602 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6603 excludePtr++; e[i].mark = excludePtr++;
6604 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6607 exclusionHeader[e[i].mark] = state;
6611 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6612 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6616 if((signed char)promoChar == -1) { // kludge to indicate best move
6617 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6618 return 1; // if unparsable, abort
6620 // update exclusion map (resolving toggle by consulting existing state)
6621 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6623 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6624 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6625 excludeMap[k] |= 1<<j;
6626 else excludeMap[k] &= ~(1<<j);
6628 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6630 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6631 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6633 return (state == '+');
6637 ExcludeClick (int index)
6640 Exclusion *e = excluTab;
6641 if(index < 25) { // none, best or tail clicked
6642 if(index < 13) { // none: include all
6643 WriteMap(0); // clear map
6644 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6645 SendToBoth("include all\n"); // and inform engine
6646 } else if(index > 18) { // tail
6647 if(exclusionHeader[19] == '-') { // tail was excluded
6648 SendToBoth("include all\n");
6649 WriteMap(0); // clear map completely
6650 // now re-exclude selected moves
6651 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6652 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6653 } else { // tail was included or in mixed state
6654 SendToBoth("exclude all\n");
6655 WriteMap(0xFF); // fill map completely
6656 // now re-include selected moves
6657 j = 0; // count them
6658 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6659 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6660 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6663 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6666 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6667 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6668 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6675 DefaultPromoChoice (int white)
6678 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6679 gameInfo.variant == VariantMakruk)
6680 result = WhiteFerz; // no choice
6681 else if(gameInfo.variant == VariantASEAN)
6682 result = WhiteRook; // no choice
6683 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6684 result= WhiteKing; // in Suicide Q is the last thing we want
6685 else if(gameInfo.variant == VariantSpartan)
6686 result = white ? WhiteQueen : WhiteAngel;
6687 else result = WhiteQueen;
6688 if(!white) result = WHITE_TO_BLACK result;
6692 static int autoQueen; // [HGM] oneclick
6695 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6697 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6698 /* [HGM] add Shogi promotions */
6699 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6700 ChessSquare piece, partner;
6704 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6705 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6707 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6708 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6711 if(legal[toY][toX] == 4) return FALSE;
6713 piece = boards[currentMove][fromY][fromX];
6714 if(gameInfo.variant == VariantChu) {
6715 promotionZoneSize = (BOARD_HEIGHT - deadRanks)/3;
6716 if(legal[toY][toX] == 6) return FALSE; // no promotion if highlights deny it
6717 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6718 } else if(gameInfo.variant == VariantShogi) {
6719 promotionZoneSize = (BOARD_HEIGHT- deadRanks)/3 +(BOARD_HEIGHT == 8);
6720 highestPromotingPiece = (int)WhiteAlfil;
6721 if(PieceToChar(piece) != '+' || PieceToChar(CHUPROMOTED(piece)) == '+') highestPromotingPiece = piece;
6722 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6723 promotionZoneSize = 3;
6726 // Treat Lance as Pawn when it is not representing Amazon or Lance
6727 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6728 if(piece == WhiteLance) piece = WhitePawn; else
6729 if(piece == BlackLance) piece = BlackPawn;
6732 // next weed out all moves that do not touch the promotion zone at all
6733 if((int)piece >= BlackPawn) {
6734 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6736 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6737 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6739 if( toY < BOARD_HEIGHT - deadRanks - promotionZoneSize &&
6740 fromY < BOARD_HEIGHT - deadRanks - promotionZoneSize) return FALSE;
6741 if(fromY >= BOARD_HEIGHT - deadRanks - promotionZoneSize && gameInfo.variant == VariantChuChess)
6745 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6747 // weed out mandatory Shogi promotions
6748 if(gameInfo.variant == VariantShogi) {
6749 if(piece >= BlackPawn) {
6750 if(toY == 0 && piece == BlackPawn ||
6751 toY == 0 && piece == BlackQueen ||
6752 toY <= 1 && piece == BlackKnight) {
6757 if(toY == BOARD_HEIGHT-deadRanks-1 && piece == WhitePawn ||
6758 toY == BOARD_HEIGHT-deadRanks-1 && piece == WhiteQueen ||
6759 toY >= BOARD_HEIGHT-deadRanks-2 && piece == WhiteKnight) {
6766 // weed out obviously illegal Pawn moves
6767 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6768 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6769 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6770 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6771 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6772 // note we are not allowed to test for valid (non-)capture, due to premove
6775 // we either have a choice what to promote to, or (in Shogi) whether to promote
6776 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6777 gameInfo.variant == VariantMakruk) {
6778 ChessSquare p=BlackFerz; // no choice
6779 while(p < EmptySquare) { //but make sure we use piece that exists
6780 *promoChoice = PieceToChar(p++);
6781 if(*promoChoice != '.') break;
6783 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6785 // no sense asking what we must promote to if it is going to explode...
6786 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6787 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6790 // give caller the default choice even if we will not make it
6791 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6792 partner = piece; // pieces can promote if the pieceToCharTable says so
6793 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6794 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6795 if( sweepSelect && gameInfo.variant != VariantGreat
6796 && gameInfo.variant != VariantGrand
6797 && gameInfo.variant != VariantSuper) return FALSE;
6798 if(autoQueen) return FALSE; // predetermined
6800 // suppress promotion popup on illegal moves that are not premoves
6801 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6802 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6803 if(appData.testLegality && !premove) {
6804 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6805 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6806 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6807 if(moveType != WhitePromotion && moveType != BlackPromotion)
6815 InPalace (int row, int column)
6816 { /* [HGM] for Xiangqi */
6817 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6818 column < (BOARD_WIDTH + 4)/2 &&
6819 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6824 PieceForSquare (int x, int y)
6826 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT) return -1;
6827 if(x == BOARD_RGHT+1 && handOffsets & 1) y += handSize - BOARD_HEIGHT;
6828 if(x == BOARD_LEFT-2 && !(handOffsets & 2)) y += handSize - BOARD_HEIGHT;
6829 return boards[currentMove][y][x];
6833 More (Board board, int col, int start, int end)
6836 for(k=start; k<end; k++) if(board[k][col]) return (col == 1 ? WhiteMonarch : BlackMonarch); // arrow image
6841 DrawPosition (int repaint, Board board)
6843 Board compactedBoard;
6844 if(handSize > BOARD_HEIGHT && board) {
6846 CopyBoard(compactedBoard, board);
6847 if(handOffsets & 1) {
6848 for(k=0; k<BOARD_HEIGHT; k++) {
6849 compactedBoard[k][BOARD_WIDTH-1] = board[k+handSize-BOARD_HEIGHT][BOARD_WIDTH-1];
6850 compactedBoard[k][BOARD_WIDTH-2] = board[k+handSize-BOARD_HEIGHT][BOARD_WIDTH-2];
6852 compactedBoard[0][BOARD_WIDTH-1] = More(board, BOARD_WIDTH-2, 0, handSize-BOARD_HEIGHT+1);
6853 } else compactedBoard[BOARD_HEIGHT-1][BOARD_WIDTH-1] = More(board, BOARD_WIDTH-2, BOARD_HEIGHT-1, handSize);
6854 if(!(handOffsets & 2)) {
6855 for(k=0; k<BOARD_HEIGHT; k++) {
6856 compactedBoard[k][0] = board[k+handSize-BOARD_HEIGHT][0];
6857 compactedBoard[k][1] = board[k+handSize-BOARD_HEIGHT][1];
6859 compactedBoard[0][0] = More(board, 1, 0, handSize-BOARD_HEIGHT+1);
6860 } else compactedBoard[BOARD_HEIGHT-1][0] = More(board, 1, BOARD_HEIGHT-1, handSize);
6861 DrawPositionX(TRUE, compactedBoard);
6862 } else DrawPositionX(repaint, board);
6866 OKToStartUserMove (int x, int y)
6868 ChessSquare from_piece;
6871 if (matchMode) return FALSE;
6872 if (gameMode == EditPosition) return TRUE;
6874 if (x >= 0 && y >= 0)
6875 from_piece = boards[currentMove][y][x];
6877 from_piece = EmptySquare;
6879 if (from_piece == EmptySquare) return FALSE;
6881 white_piece = (int)from_piece >= (int)WhitePawn &&
6882 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6886 case TwoMachinesPlay:
6894 case MachinePlaysWhite:
6895 case IcsPlayingBlack:
6896 if (appData.zippyPlay) return FALSE;
6898 DisplayMoveError(_("You are playing Black"));
6903 case MachinePlaysBlack:
6904 case IcsPlayingWhite:
6905 if (appData.zippyPlay) return FALSE;
6907 DisplayMoveError(_("You are playing White"));
6912 case PlayFromGameFile:
6913 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6916 if (!white_piece && WhiteOnMove(currentMove)) {
6917 DisplayMoveError(_("It is White's turn"));
6920 if (white_piece && !WhiteOnMove(currentMove)) {
6921 DisplayMoveError(_("It is Black's turn"));
6924 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6925 /* Editing correspondence game history */
6926 /* Could disallow this or prompt for confirmation */
6931 case BeginningOfGame:
6932 if (appData.icsActive) return FALSE;
6933 if (!appData.noChessProgram) {
6935 DisplayMoveError(_("You are playing White"));
6942 if (!white_piece && WhiteOnMove(currentMove)) {
6943 DisplayMoveError(_("It is White's turn"));
6946 if (white_piece && !WhiteOnMove(currentMove)) {
6947 DisplayMoveError(_("It is Black's turn"));
6956 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6957 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6958 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6959 && gameMode != AnalyzeFile && gameMode != Training) {
6960 DisplayMoveError(_("Displayed position is not current"));
6967 OnlyMove (int *x, int *y, Boolean captures)
6969 DisambiguateClosure cl;
6970 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6972 case MachinePlaysBlack:
6973 case IcsPlayingWhite:
6974 case BeginningOfGame:
6975 if(!WhiteOnMove(currentMove)) return FALSE;
6977 case MachinePlaysWhite:
6978 case IcsPlayingBlack:
6979 if(WhiteOnMove(currentMove)) return FALSE;
6986 cl.pieceIn = EmptySquare;
6991 cl.promoCharIn = NULLCHAR;
6992 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6993 if( cl.kind == NormalMove ||
6994 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6995 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6996 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
7003 if(cl.kind != ImpossibleMove) return FALSE;
7004 cl.pieceIn = EmptySquare;
7009 cl.promoCharIn = NULLCHAR;
7010 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
7011 if( cl.kind == NormalMove ||
7012 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
7013 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
7014 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
7019 autoQueen = TRUE; // act as if autoQueen on when we click to-square
7025 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
7026 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
7027 int lastLoadGameUseList = FALSE;
7028 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
7029 ChessMove lastLoadGameStart = EndOfFile;
7031 Boolean addToBookFlag;
7032 static Board rightsBoard, nullBoard;
7035 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
7039 int ff=fromX, rf=fromY, ft=toX, rt=toY;
7041 /* Check if the user is playing in turn. This is complicated because we
7042 let the user "pick up" a piece before it is his turn. So the piece he
7043 tried to pick up may have been captured by the time he puts it down!
7044 Therefore we use the color the user is supposed to be playing in this
7045 test, not the color of the piece that is currently on the starting
7046 square---except in EditGame mode, where the user is playing both
7047 sides; fortunately there the capture race can't happen. (It can
7048 now happen in IcsExamining mode, but that's just too bad. The user
7049 will get a somewhat confusing message in that case.)
7054 case TwoMachinesPlay:
7058 /* We switched into a game mode where moves are not accepted,
7059 perhaps while the mouse button was down. */
7062 case MachinePlaysWhite:
7063 /* User is moving for Black */
7064 if (WhiteOnMove(currentMove)) {
7065 DisplayMoveError(_("It is White's turn"));
7070 case MachinePlaysBlack:
7071 /* User is moving for White */
7072 if (!WhiteOnMove(currentMove)) {
7073 DisplayMoveError(_("It is Black's turn"));
7078 case PlayFromGameFile:
7079 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7082 case BeginningOfGame:
7085 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7086 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7087 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7088 /* User is moving for Black */
7089 if (WhiteOnMove(currentMove)) {
7090 DisplayMoveError(_("It is White's turn"));
7094 /* User is moving for White */
7095 if (!WhiteOnMove(currentMove)) {
7096 DisplayMoveError(_("It is Black's turn"));
7102 case IcsPlayingBlack:
7103 /* User is moving for Black */
7104 if (WhiteOnMove(currentMove)) {
7105 if (!appData.premove) {
7106 DisplayMoveError(_("It is White's turn"));
7107 } else if (toX >= 0 && toY >= 0) {
7110 premoveFromX = fromX;
7111 premoveFromY = fromY;
7112 premovePromoChar = promoChar;
7114 if (appData.debugMode)
7115 fprintf(debugFP, "Got premove: fromX %d,"
7116 "fromY %d, toX %d, toY %d\n",
7117 fromX, fromY, toX, toY);
7119 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7124 case IcsPlayingWhite:
7125 /* User is moving for White */
7126 if (!WhiteOnMove(currentMove)) {
7127 if (!appData.premove) {
7128 DisplayMoveError(_("It is Black's turn"));
7129 } else if (toX >= 0 && toY >= 0) {
7132 premoveFromX = fromX;
7133 premoveFromY = fromY;
7134 premovePromoChar = promoChar;
7136 if (appData.debugMode)
7137 fprintf(debugFP, "Got premove: fromX %d,"
7138 "fromY %d, toX %d, toY %d\n",
7139 fromX, fromY, toX, toY);
7141 DrawPosition(TRUE, boards[currentMove]);
7150 /* EditPosition, empty square, or different color piece;
7151 click-click move is possible */
7152 if (toX == -2 || toY == -2) {
7153 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7154 DrawPosition(FALSE, boards[currentMove]);
7156 } else if (toX >= 0 && toY >= 0) {
7157 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7158 ChessSquare p = boards[0][rf][ff];
7159 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7160 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p); else
7161 if(p == WhiteKing || p == BlackKing || p == WhiteRook || p == BlackRook || p == WhitePawn || p == BlackPawn) {
7162 int n = rightsBoard[toY][toX] ^= 1; // toggle virginity of K or R
7163 DisplayMessage("", n ? _("rights granted") : _("rights revoked"));
7166 } else rightsBoard[toY][toX] = 0; // revoke rights on moving
7167 boards[0][toY][toX] = boards[0][fromY][fromX];
7168 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7169 if(boards[0][fromY][0] != EmptySquare) {
7170 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7171 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7174 if(fromX == BOARD_RGHT+1) {
7175 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7176 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7177 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7180 boards[0][fromY][fromX] = gatingPiece;
7182 DrawPosition(FALSE, boards[currentMove]);
7188 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7189 pup = boards[currentMove][toY][toX];
7191 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7192 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7193 if( pup != EmptySquare ) return;
7194 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7195 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7196 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7197 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7198 if(fromX == 0) fromY = handSize-1 - fromY; // black holdings upside-down
7199 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7200 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7204 /* [HGM] always test for legality, to get promotion info */
7205 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7206 fromY, fromX, toY, toX, promoChar);
7208 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7210 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7212 /* [HGM] but possibly ignore an IllegalMove result */
7213 if (appData.testLegality) {
7214 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7215 DisplayMoveError(_("Illegal move"));
7220 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7221 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7222 ClearPremoveHighlights(); // was included
7223 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7224 DrawPosition(FALSE, NULL);
7228 if(addToBookFlag) { // adding moves to book
7229 char buf[MSG_SIZ], move[MSG_SIZ];
7230 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7231 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7232 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7233 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7235 addToBookFlag = FALSE;
7240 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7243 /* Common tail of UserMoveEvent and DropMenuEvent */
7245 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7249 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7250 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7251 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7252 if(WhiteOnMove(currentMove)) {
7253 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7255 if(!boards[currentMove][handSize-1-k][1]) return 0;
7259 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7260 move type in caller when we know the move is a legal promotion */
7261 if(moveType == NormalMove && promoChar)
7262 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7264 /* [HGM] <popupFix> The following if has been moved here from
7265 UserMoveEvent(). Because it seemed to belong here (why not allow
7266 piece drops in training games?), and because it can only be
7267 performed after it is known to what we promote. */
7268 if (gameMode == Training) {
7269 /* compare the move played on the board to the next move in the
7270 * game. If they match, display the move and the opponent's response.
7271 * If they don't match, display an error message.
7275 CopyBoard(testBoard, boards[currentMove]);
7276 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7278 if (CompareBoards(testBoard, boards[currentMove+1])) {
7279 ForwardInner(currentMove+1);
7281 /* Autoplay the opponent's response.
7282 * if appData.animate was TRUE when Training mode was entered,
7283 * the response will be animated.
7285 saveAnimate = appData.animate;
7286 appData.animate = animateTraining;
7287 ForwardInner(currentMove+1);
7288 appData.animate = saveAnimate;
7290 /* check for the end of the game */
7291 if (currentMove >= forwardMostMove) {
7292 gameMode = PlayFromGameFile;
7294 SetTrainingModeOff();
7295 DisplayInformation(_("End of game"));
7298 DisplayError(_("Incorrect move"), 0);
7303 /* Ok, now we know that the move is good, so we can kill
7304 the previous line in Analysis Mode */
7305 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7306 && currentMove < forwardMostMove) {
7307 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7308 else forwardMostMove = currentMove;
7313 /* If we need the chess program but it's dead, restart it */
7314 ResurrectChessProgram();
7316 /* A user move restarts a paused game*/
7320 thinkOutput[0] = NULLCHAR;
7322 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7324 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7325 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7329 if (gameMode == BeginningOfGame) {
7330 if (appData.noChessProgram) {
7331 gameMode = EditGame;
7335 gameMode = MachinePlaysBlack;
7338 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7340 if (first.sendName) {
7341 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7342 SendToProgram(buf, &first);
7349 /* Relay move to ICS or chess engine */
7350 if (appData.icsActive) {
7351 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7352 gameMode == IcsExamining) {
7353 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7354 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7356 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7358 // also send plain move, in case ICS does not understand atomic claims
7359 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7363 if (first.sendTime && (gameMode == BeginningOfGame ||
7364 gameMode == MachinePlaysWhite ||
7365 gameMode == MachinePlaysBlack)) {
7366 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7368 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7369 // [HGM] book: if program might be playing, let it use book
7370 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7371 first.maybeThinking = TRUE;
7372 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7373 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7374 SendBoard(&first, currentMove+1);
7375 if(second.analyzing) {
7376 if(!second.useSetboard) SendToProgram("undo\n", &second);
7377 SendBoard(&second, currentMove+1);
7380 SendMoveToProgram(forwardMostMove-1, &first);
7381 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7383 if (currentMove == cmailOldMove + 1) {
7384 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7388 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7392 if(appData.testLegality)
7393 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7399 if (WhiteOnMove(currentMove)) {
7400 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7402 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7406 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7411 case MachinePlaysBlack:
7412 case MachinePlaysWhite:
7413 /* disable certain menu options while machine is thinking */
7414 SetMachineThinkingEnables();
7421 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7422 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7424 if(bookHit) { // [HGM] book: simulate book reply
7425 static char bookMove[MSG_SIZ]; // a bit generous?
7427 programStats.nodes = programStats.depth = programStats.time =
7428 programStats.score = programStats.got_only_move = 0;
7429 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7431 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7432 strcat(bookMove, bookHit);
7433 HandleMachineMove(bookMove, &first);
7439 MarkByFEN(char *fen)
7442 if(!appData.markers || !appData.highlightDragging) return;
7443 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = marker[r][f] = 0;
7444 r=BOARD_HEIGHT-1-deadRanks; f=BOARD_LEFT;
7447 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7448 if(*fen == 'B') legal[r][f] = 4; else // request auto-promotion to victim
7449 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 6; else
7450 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7451 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7452 if(*fen == 'T') marker[r][f++] = 0; else
7453 if(*fen == 'Y') marker[r][f++] = 1; else
7454 if(*fen == 'G') marker[r][f++] = 3; else
7455 if(*fen == 'B') marker[r][f++] = 4; else
7456 if(*fen == 'C') marker[r][f++] = 5; else
7457 if(*fen == 'M') marker[r][f++] = 6; else
7458 if(*fen == 'W') marker[r][f++] = 7; else
7459 if(*fen == 'D') marker[r][f++] = 8; else
7460 if(*fen == 'R') marker[r][f++] = 2; else {
7461 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7464 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7468 DrawPosition(TRUE, NULL);
7471 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7474 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7476 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7477 Markers *m = (Markers *) closure;
7478 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7479 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7480 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7481 || kind == WhiteCapturesEnPassant
7482 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7483 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7486 static int hoverSavedValid;
7489 MarkTargetSquares (int clear)
7492 if(clear) { // no reason to ever suppress clearing
7493 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7494 hoverSavedValid = 0;
7495 if(!sum || clear < 0) return; // nothing was cleared,no redraw needed
7498 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7499 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7500 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7501 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7502 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7504 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = legal[y][x] = 0;
7507 DrawPosition(FALSE, NULL);
7511 Explode (Board board, int fromX, int fromY, int toX, int toY)
7513 if(gameInfo.variant == VariantAtomic &&
7514 (board[toY][toX] != EmptySquare || // capture?
7515 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7516 board[fromY][fromX] == BlackPawn )
7518 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7524 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7527 CanPromote (ChessSquare piece, int y)
7529 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7530 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7531 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7532 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7533 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7534 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7535 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7536 return (piece == BlackPawn && y <= zone ||
7537 piece == WhitePawn && y >= BOARD_HEIGHT-1-deadRanks-zone ||
7538 piece == BlackLance && y <= zone ||
7539 piece == WhiteLance && y >= BOARD_HEIGHT-1-deadRanks-zone );
7543 HoverEvent (int xPix, int yPix, int x, int y)
7545 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7547 if(!first.highlight) return;
7548 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7549 if(x == oldX && y == oldY) return; // only do something if we enter new square
7550 oldFromX = fromX; oldFromY = fromY;
7551 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7552 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7553 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7554 hoverSavedValid = 1;
7555 } else if(oldX != x || oldY != y) {
7556 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7557 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7558 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7559 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7560 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7562 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7563 SendToProgram(buf, &first);
7566 // SetHighlights(fromX, fromY, x, y);
7570 void ReportClick(char *action, int x, int y)
7572 char buf[MSG_SIZ]; // Inform engine of what user does
7574 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7575 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7576 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7577 if(!first.highlight || gameMode == EditPosition) return;
7578 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7579 SendToProgram(buf, &first);
7582 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7583 Boolean deferChoice;
7584 int createX = -1, createY = -1; // square where we last created a piece in EditPosition mode
7587 LeftClick (ClickType clickType, int xPix, int yPix)
7590 static Boolean saveAnimate;
7591 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0, flashing = 0, saveFlash;
7592 char promoChoice = NULLCHAR;
7594 static TimeMark lastClickTime, prevClickTime;
7596 if(flashing) return;
7598 if(!deferChoice) { // when called for a retry, skip everything to the point where we left off
7599 x = EventToSquare(xPix, BOARD_WIDTH);
7600 y = EventToSquare(yPix, BOARD_HEIGHT);
7601 if (!flipView && y >= 0) {
7602 y = BOARD_HEIGHT - 1 - y;
7604 if (flipView && x >= 0) {
7605 x = BOARD_WIDTH - 1 - x;
7608 // map clicks in offsetted holdings back to true coords (or switch the offset)
7609 if(x == BOARD_RGHT+1) {
7610 if(handOffsets & 1) {
7611 if(y == 0) { handOffsets &= ~1; DrawPosition(TRUE, boards[currentMove]); return; }
7612 y += handSize - BOARD_HEIGHT;
7613 } else if(y == BOARD_HEIGHT-1) { handOffsets |= 1; DrawPosition(TRUE, boards[currentMove]); return; }
7615 if(x == BOARD_LEFT-2) {
7616 if(!(handOffsets & 2)) {
7617 if(y == 0) { handOffsets |= 2; DrawPosition(TRUE, boards[currentMove]); return; }
7618 y += handSize - BOARD_HEIGHT;
7619 } else if(y == BOARD_HEIGHT-1) { handOffsets &= ~2; DrawPosition(TRUE, boards[currentMove]); return; }
7622 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press &&
7623 (boards[currentMove][y][x] == EmptySquare || x == createX && y == createY) ) {
7625 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7630 createX = createY = -1;
7632 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7634 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7636 if (clickType == Press) ErrorPopDown();
7637 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7639 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7640 defaultPromoChoice = promoSweep;
7641 promoSweep = EmptySquare; // terminate sweep
7642 promoDefaultAltered = TRUE;
7643 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7646 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7647 if(clickType == Release) return; // ignore upclick of click-click destination
7648 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7649 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7650 if(gameInfo.holdingsWidth &&
7651 (WhiteOnMove(currentMove)
7652 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7653 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7654 // click in right holdings, for determining promotion piece
7655 ChessSquare p = boards[currentMove][y][x];
7656 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7657 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7658 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7659 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7664 DrawPosition(FALSE, boards[currentMove]);
7668 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7669 if(clickType == Press
7670 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7671 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7672 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7675 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7676 // could be static click on premove from-square: abort premove
7678 ClearPremoveHighlights();
7681 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7682 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7684 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7685 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7686 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7687 defaultPromoChoice = DefaultPromoChoice(side);
7690 autoQueen = appData.alwaysPromoteToQueen;
7694 gatingPiece = EmptySquare;
7695 if (clickType != Press) {
7696 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7697 DragPieceEnd(xPix, yPix); dragging = 0;
7698 DrawPosition(FALSE, NULL);
7702 doubleClick = FALSE;
7703 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7704 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7706 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7707 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7708 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7709 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7711 if (OKToStartUserMove(fromX, fromY)) {
7713 ReportClick("lift", x, y);
7714 MarkTargetSquares(0);
7715 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7716 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7717 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7718 promoSweep = defaultPromoChoice;
7719 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7720 Sweep(0); // Pawn that is going to promote: preview promotion piece
7721 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7723 if (appData.highlightDragging) {
7724 SetHighlights(fromX, fromY, -1, -1);
7728 } else fromX = fromY = -1;
7734 if (clickType == Press && gameMode != EditPosition) {
7739 // ignore off-board to clicks
7740 if(y < 0 || x < 0) return;
7742 /* Check if clicking again on the same color piece */
7743 fromP = boards[currentMove][fromY][fromX];
7744 toP = boards[currentMove][y][x];
7745 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7746 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7747 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7748 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7749 WhitePawn <= toP && toP <= WhiteKing &&
7750 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7751 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7752 (BlackPawn <= fromP && fromP <= BlackKing &&
7753 BlackPawn <= toP && toP <= BlackKing &&
7754 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7755 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7756 /* Clicked again on same color piece -- changed his mind */
7757 second = (x == fromX && y == fromY);
7758 killX = killY = kill2X = kill2Y = -1; *promoRestrict = NULLCHAR;
7759 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7760 second = FALSE; // first double-click rather than scond click
7761 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7763 promoDefaultAltered = FALSE;
7764 if(!second) MarkTargetSquares(1);
7765 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7766 if (appData.highlightDragging) {
7767 SetHighlights(x, y, -1, -1);
7771 if (OKToStartUserMove(x, y)) {
7772 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7773 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7774 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7775 gatingPiece = boards[currentMove][fromY][fromX];
7776 else gatingPiece = doubleClick ? fromP : EmptySquare;
7778 fromY = y; dragging = 1;
7779 if(!second) ReportClick("lift", x, y);
7780 MarkTargetSquares(0);
7781 DragPieceBegin(xPix, yPix, FALSE);
7782 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7783 promoSweep = defaultPromoChoice;
7784 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7785 Sweep(0); // Pawn that is going to promote: preview promotion piece
7789 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7792 // ignore clicks on holdings
7793 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7796 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7797 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7798 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7802 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7803 DragPieceEnd(xPix, yPix); dragging = 0;
7805 // a deferred attempt to click-click move an empty square on top of a piece
7806 boards[currentMove][y][x] = EmptySquare;
7808 DrawPosition(FALSE, boards[currentMove]);
7809 fromX = fromY = -1; clearFlag = 0;
7812 if (appData.animateDragging) {
7813 /* Undo animation damage if any */
7814 DrawPosition(FALSE, NULL);
7817 /* Second up/down in same square; just abort move */
7820 gatingPiece = EmptySquare;
7823 ClearPremoveHighlights();
7824 MarkTargetSquares(-1);
7825 DrawPosition(FALSE, NULL); // make user highlights are drawn (and deferred marker clearing)
7827 /* First upclick in same square; start click-click mode */
7828 SetHighlights(x, y, -1, -1);
7835 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7836 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7837 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7838 DisplayMessage(_("only marked squares are legal"),"");
7839 DrawPosition(TRUE, NULL);
7840 return; // ignore to-click
7843 /* we now have a different from- and (possibly off-board) to-square */
7844 /* Completed move */
7845 if(!sweepSelecting) {
7850 piece = boards[currentMove][fromY][fromX];
7852 saveAnimate = appData.animate;
7853 if (clickType == Press) {
7854 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7855 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7856 // must be Edit Position mode with empty-square selected
7857 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7858 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7861 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7864 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7865 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7867 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7868 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7869 if(appData.sweepSelect) {
7870 promoSweep = defaultPromoChoice;
7871 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7872 selectFlag = 0; lastX = xPix; lastY = yPix;
7873 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7874 saveFlash = appData.flashCount; appData.flashCount = 0;
7875 Sweep(0); // Pawn that is going to promote: preview promotion piece
7877 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7878 MarkTargetSquares(1);
7880 return; // promo popup appears on up-click
7882 /* Finish clickclick move */
7883 if (appData.animate || appData.highlightLastMove) {
7884 SetHighlights(fromX, fromY, toX, toY);
7888 MarkTargetSquares(1);
7889 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7890 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7891 *promoRestrict = 0; appData.flashCount = saveFlash;
7892 if (appData.animate || appData.highlightLastMove) {
7893 SetHighlights(fromX, fromY, toX, toY);
7897 MarkTargetSquares(1);
7900 // [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
7901 /* Finish drag move */
7902 if (appData.highlightLastMove) {
7903 SetHighlights(fromX, fromY, toX, toY);
7908 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7909 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7910 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7911 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7912 dragging *= 2; // flag button-less dragging if we are dragging
7913 MarkTargetSquares(1);
7914 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7916 kill2X = killX; kill2Y = killY;
7917 killX = x; killY = y; // remember this square as intermediate
7918 ReportClick("put", x, y); // and inform engine
7919 ReportClick("lift", x, y);
7920 MarkTargetSquares(0);
7924 DragPieceEnd(xPix, yPix); dragging = 0;
7925 /* Don't animate move and drag both */
7926 appData.animate = FALSE;
7927 MarkTargetSquares(-1); // -1 defers displaying marker change to prevent piece reappearing on from-square!
7930 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7931 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7932 ChessSquare piece = boards[currentMove][fromY][fromX];
7933 if(gameMode == EditPosition && piece != EmptySquare &&
7934 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7937 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7938 n = PieceToNumber(piece - (int)BlackPawn);
7939 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7940 boards[currentMove][handSize-1 - n][0] = piece;
7941 boards[currentMove][handSize-1 - n][1]++;
7943 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7944 n = PieceToNumber(piece);
7945 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7946 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7947 boards[currentMove][n][BOARD_WIDTH-2]++;
7949 boards[currentMove][fromY][fromX] = EmptySquare;
7953 MarkTargetSquares(1);
7954 DrawPosition(TRUE, boards[currentMove]);
7958 // off-board moves should not be highlighted
7959 if(x < 0 || y < 0) {
7961 DrawPosition(FALSE, NULL);
7962 } else ReportClick("put", x, y);
7964 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7967 if(legal[toY][toX] == 2) { // highlight-induced promotion
7968 if(piece == defaultPromoChoice) promoChoice = NULLCHAR; // deferral
7969 else promoChoice = ToLower(PieceToChar(defaultPromoChoice));
7970 } else if(legal[toY][toX] == 4) { // blue target square: engine must supply promotion choice
7971 if(!*promoRestrict) { // but has not done that yet
7972 deferChoice = TRUE; // set up retry for when it does
7973 return; // and wait for that
7975 promoChoice = ToLower(*promoRestrict); // force engine's choice
7976 deferChoice = FALSE;
7979 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7980 SetHighlights(fromX, fromY, toX, toY);
7981 MarkTargetSquares(1);
7982 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7983 // [HGM] super: promotion to captured piece selected from holdings
7984 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7985 promotionChoice = TRUE;
7986 // kludge follows to temporarily execute move on display, without promoting yet
7987 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7988 boards[currentMove][toY][toX] = p;
7989 DrawPosition(FALSE, boards[currentMove]);
7990 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7991 boards[currentMove][toY][toX] = q;
7992 DisplayMessage("Click in holdings to choose piece", "");
7995 DrawPosition(FALSE, NULL); // shows piece on from-square during promo popup
7996 PromotionPopUp(promoChoice);
7998 int oldMove = currentMove;
7999 flashing = 1; // prevent recursive calling (by release of to-click) while flashing piece
8000 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
8001 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
8002 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY), DrawPosition(FALSE, NULL);
8003 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
8004 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
8005 DrawPosition(TRUE, boards[currentMove]);
8006 else DrawPosition(FALSE, NULL);
8010 appData.animate = saveAnimate;
8011 if (appData.animate || appData.animateDragging) {
8012 /* Undo animation damage if needed */
8013 // DrawPosition(FALSE, NULL);
8018 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
8019 { // front-end-free part taken out of PieceMenuPopup
8020 int whichMenu; int xSqr, ySqr;
8022 if(seekGraphUp) { // [HGM] seekgraph
8023 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
8024 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
8028 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
8029 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
8030 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
8031 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
8032 if(action == Press) {
8033 originalFlip = flipView;
8034 flipView = !flipView; // temporarily flip board to see game from partners perspective
8035 DrawPosition(TRUE, partnerBoard);
8036 DisplayMessage(partnerStatus, "");
8038 } else if(action == Release) {
8039 flipView = originalFlip;
8040 DrawPosition(TRUE, boards[currentMove]);
8046 xSqr = EventToSquare(x, BOARD_WIDTH);
8047 ySqr = EventToSquare(y, BOARD_HEIGHT);
8048 if (action == Release) {
8049 if(pieceSweep != EmptySquare) {
8050 EditPositionMenuEvent(pieceSweep, toX, toY);
8051 pieceSweep = EmptySquare;
8052 } else UnLoadPV(); // [HGM] pv
8054 if (action != Press) return -2; // return code to be ignored
8057 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
8059 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
8060 if (xSqr < 0 || ySqr < 0) return -1;
8061 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
8062 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8063 if(xSqr == createX && ySqr == createY && xSqr != BOARD_LEFT-2 && xSqr != BOARD_RGHT+1) {
8064 ChessSquare p = boards[currentMove][ySqr][xSqr];
8065 do { if(++p == EmptySquare) p = WhitePawn; } while(PieceToChar(p) == '.');
8066 boards[currentMove][ySqr][xSqr] = p; DrawPosition(FALSE, boards[currentMove]);
8069 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
8070 createX = toX = xSqr; createY = toY = ySqr; lastX = x, lastY = y;
8074 if(!appData.icsEngineAnalyze) return -1;
8075 case IcsPlayingWhite:
8076 case IcsPlayingBlack:
8077 if(!appData.zippyPlay) goto noZip;
8080 case MachinePlaysWhite:
8081 case MachinePlaysBlack:
8082 case TwoMachinesPlay: // [HGM] pv: use for showing PV
8083 if (!appData.dropMenu) {
8085 return 2; // flag front-end to grab mouse events
8087 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
8088 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
8091 if (xSqr < 0 || ySqr < 0) return -1;
8092 if (!appData.dropMenu || appData.testLegality &&
8093 gameInfo.variant != VariantBughouse &&
8094 gameInfo.variant != VariantCrazyhouse) return -1;
8095 whichMenu = 1; // drop menu
8101 if (((*fromX = xSqr) < 0) ||
8102 ((*fromY = ySqr) < 0)) {
8103 *fromX = *fromY = -1;
8107 *fromX = BOARD_WIDTH - 1 - *fromX;
8109 *fromY = BOARD_HEIGHT - 1 - *fromY;
8115 Wheel (int dir, int x, int y)
8117 if(gameMode == EditPosition) {
8118 int xSqr = EventToSquare(x, BOARD_WIDTH);
8119 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8120 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8121 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8123 boards[currentMove][ySqr][xSqr] += dir;
8124 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8125 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8126 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8127 DrawPosition(FALSE, boards[currentMove]);
8128 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8132 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8134 // char * hint = lastHint;
8135 FrontEndProgramStats stats;
8137 stats.which = cps == &first ? 0 : 1;
8138 stats.depth = cpstats->depth;
8139 stats.nodes = cpstats->nodes;
8140 stats.score = cpstats->score;
8141 stats.time = cpstats->time;
8142 stats.pv = cpstats->movelist;
8143 stats.hint = lastHint;
8144 stats.an_move_index = 0;
8145 stats.an_move_count = 0;
8147 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8148 stats.hint = cpstats->move_name;
8149 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8150 stats.an_move_count = cpstats->nr_moves;
8153 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
8155 if( gameMode == AnalyzeMode && stats.pv && stats.pv[0]
8156 && appData.analysisBell && stats.time >= 100*appData.analysisBell ) RingBell();
8158 SetProgramStats( &stats );
8162 ClearEngineOutputPane (int which)
8164 static FrontEndProgramStats dummyStats;
8165 dummyStats.which = which;
8166 dummyStats.pv = "#";
8167 SetProgramStats( &dummyStats );
8170 #define MAXPLAYERS 500
8173 TourneyStandings (int display)
8175 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8176 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8177 char result, *p, *names[MAXPLAYERS];
8179 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8180 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8181 names[0] = p = strdup(appData.participants);
8182 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8184 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8186 while(result = appData.results[nr]) {
8187 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8188 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8189 wScore = bScore = 0;
8191 case '+': wScore = 2; break;
8192 case '-': bScore = 2; break;
8193 case '=': wScore = bScore = 1; break;
8195 case '*': return strdup("busy"); // tourney not finished
8203 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8204 for(w=0; w<nPlayers; w++) {
8206 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8207 ranking[w] = b; points[w] = bScore; score[b] = -2;
8209 p = malloc(nPlayers*34+1);
8210 for(w=0; w<nPlayers && w<display; w++)
8211 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8217 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8218 { // count all piece types
8220 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8221 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8222 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8225 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8226 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8227 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8228 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8229 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8230 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8235 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8237 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8238 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8240 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8241 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8242 if(myPawns == 2 && nMine == 3) // KPP
8243 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8244 if(myPawns == 1 && nMine == 2) // KP
8245 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8246 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8247 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8248 if(myPawns) return FALSE;
8249 if(pCnt[WhiteRook+side])
8250 return pCnt[BlackRook-side] ||
8251 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8252 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8253 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8254 if(pCnt[WhiteCannon+side]) {
8255 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8256 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8258 if(pCnt[WhiteKnight+side])
8259 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8264 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8266 VariantClass v = gameInfo.variant;
8268 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8269 if(v == VariantShatranj) return TRUE; // always winnable through baring
8270 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8271 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8273 if(v == VariantXiangqi) {
8274 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8276 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8277 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8278 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8279 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8280 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8281 if(stale) // we have at least one last-rank P plus perhaps C
8282 return majors // KPKX
8283 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8285 return pCnt[WhiteFerz+side] // KCAK
8286 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8287 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8288 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8290 } else if(v == VariantKnightmate) {
8291 if(nMine == 1) return FALSE;
8292 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8293 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8294 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8296 if(nMine == 1) return FALSE; // bare King
8297 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
8298 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8299 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8300 // by now we have King + 1 piece (or multiple Bishops on the same color)
8301 if(pCnt[WhiteKnight+side])
8302 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8303 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8304 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8306 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8307 if(pCnt[WhiteAlfil+side])
8308 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8309 if(pCnt[WhiteWazir+side])
8310 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8317 CompareWithRights (Board b1, Board b2)
8320 if(!CompareBoards(b1, b2)) return FALSE;
8321 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8322 /* compare castling rights */
8323 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8324 rights++; /* King lost rights, while rook still had them */
8325 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8326 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8327 rights++; /* but at least one rook lost them */
8329 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8331 if( b1[CASTLING][5] != NoRights ) {
8332 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8339 Adjudicate (ChessProgramState *cps)
8340 { // [HGM] some adjudications useful with buggy engines
8341 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8342 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8343 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8344 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8345 int k, drop, count = 0; static int bare = 1;
8346 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8347 Boolean canAdjudicate = !appData.icsActive;
8349 // most tests only when we understand the game, i.e. legality-checking on
8350 if( appData.testLegality )
8351 { /* [HGM] Some more adjudications for obstinate engines */
8352 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8353 static int moveCount = 6;
8355 char *reason = NULL;
8357 /* Count what is on board. */
8358 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8360 /* Some material-based adjudications that have to be made before stalemate test */
8361 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8362 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8363 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8364 if(canAdjudicate && appData.checkMates) {
8366 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8367 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8368 "Xboard adjudication: King destroyed", GE_XBOARD );
8373 /* Bare King in Shatranj (loses) or Losers (wins) */
8374 if( nrW == 1 || nrB == 1) {
8375 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8376 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8377 if(canAdjudicate && appData.checkMates) {
8379 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8380 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8381 "Xboard adjudication: Bare king", GE_XBOARD );
8385 if( gameInfo.variant == VariantShatranj && --bare < 0)
8387 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8388 if(canAdjudicate && appData.checkMates) {
8389 /* but only adjudicate if adjudication enabled */
8391 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8392 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8393 "Xboard adjudication: Bare king", GE_XBOARD );
8400 // don't wait for engine to announce game end if we can judge ourselves
8401 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8403 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8404 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8405 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8406 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8409 reason = "Xboard adjudication: 3rd check";
8410 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8421 reason = "Xboard adjudication: Stalemate";
8422 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8423 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8424 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8425 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8426 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8427 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8428 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8429 EP_CHECKMATE : EP_WINS);
8430 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8431 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8435 reason = "Xboard adjudication: Checkmate";
8436 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8437 if(gameInfo.variant == VariantShogi) {
8438 if(forwardMostMove > backwardMostMove
8439 && moveList[forwardMostMove-1][1] == '@'
8440 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8441 reason = "XBoard adjudication: pawn-drop mate";
8442 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8448 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8450 result = GameIsDrawn; break;
8452 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8454 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8458 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8460 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8461 GameEnds( result, reason, GE_XBOARD );
8465 /* Next absolutely insufficient mating material. */
8466 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8467 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8468 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8470 /* always flag draws, for judging claims */
8471 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8473 if(canAdjudicate && appData.materialDraws) {
8474 /* but only adjudicate them if adjudication enabled */
8475 if(engineOpponent) {
8476 SendToProgram("force\n", engineOpponent); // suppress reply
8477 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8479 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8484 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8485 if(gameInfo.variant == VariantXiangqi ?
8486 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8488 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8489 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8490 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8491 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8493 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8494 { /* if the first 3 moves do not show a tactical win, declare draw */
8495 if(engineOpponent) {
8496 SendToProgram("force\n", engineOpponent); // suppress reply
8497 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8499 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8502 } else moveCount = 6;
8505 // Repetition draws and 50-move rule can be applied independently of legality testing
8507 /* Check for rep-draws */
8509 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8510 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8511 for(k = forwardMostMove-2;
8512 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8513 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8514 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8517 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8518 /* compare castling rights */
8519 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8520 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8521 rights++; /* King lost rights, while rook still had them */
8522 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8523 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8524 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8525 rights++; /* but at least one rook lost them */
8527 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8528 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8530 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8531 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8532 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8535 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8536 && appData.drawRepeats > 1) {
8537 /* adjudicate after user-specified nr of repeats */
8538 int result = GameIsDrawn;
8539 char *details = "XBoard adjudication: repetition draw";
8540 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8541 // [HGM] xiangqi: check for forbidden perpetuals
8542 int m, ourPerpetual = 1, hisPerpetual = 1;
8543 for(m=forwardMostMove; m>k; m-=2) {
8544 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8545 ourPerpetual = 0; // the current mover did not always check
8546 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8547 hisPerpetual = 0; // the opponent did not always check
8549 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8550 ourPerpetual, hisPerpetual);
8551 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8552 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8553 details = "Xboard adjudication: perpetual checking";
8555 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8556 break; // (or we would have caught him before). Abort repetition-checking loop.
8558 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8559 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8561 details = "Xboard adjudication: repetition";
8563 } else // it must be XQ
8564 // Now check for perpetual chases
8565 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8566 hisPerpetual = PerpetualChase(k, forwardMostMove);
8567 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8568 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8569 static char resdet[MSG_SIZ];
8570 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8572 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8574 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8575 break; // Abort repetition-checking loop.
8577 // if neither of us is checking or chasing all the time, or both are, it is draw
8579 if(engineOpponent) {
8580 SendToProgram("force\n", engineOpponent); // suppress reply
8581 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8583 GameEnds( result, details, GE_XBOARD );
8586 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8587 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8591 /* Now we test for 50-move draws. Determine ply count */
8592 count = forwardMostMove;
8593 /* look for last irreversble move */
8594 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8596 /* if we hit starting position, add initial plies */
8597 if( count == backwardMostMove )
8598 count -= initialRulePlies;
8599 count = forwardMostMove - count;
8600 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8601 // adjust reversible move counter for checks in Xiangqi
8602 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8603 if(i < backwardMostMove) i = backwardMostMove;
8604 while(i <= forwardMostMove) {
8605 lastCheck = inCheck; // check evasion does not count
8606 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8607 if(inCheck || lastCheck) count--; // check does not count
8612 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8613 /* this is used to judge if draw claims are legal */
8614 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8615 if(engineOpponent) {
8616 SendToProgram("force\n", engineOpponent); // suppress reply
8617 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8619 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8623 /* if draw offer is pending, treat it as a draw claim
8624 * when draw condition present, to allow engines a way to
8625 * claim draws before making their move to avoid a race
8626 * condition occurring after their move
8628 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8630 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8631 p = "Draw claim: 50-move rule";
8632 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8633 p = "Draw claim: 3-fold repetition";
8634 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8635 p = "Draw claim: insufficient mating material";
8636 if( p != NULL && canAdjudicate) {
8637 if(engineOpponent) {
8638 SendToProgram("force\n", engineOpponent); // suppress reply
8639 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8641 GameEnds( GameIsDrawn, p, GE_XBOARD );
8646 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8647 if(engineOpponent) {
8648 SendToProgram("force\n", engineOpponent); // suppress reply
8649 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8651 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8657 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8658 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8659 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8664 int pieces[10], squares[10], cnt=0, r, f, res;
8666 static PPROBE_EGBB probeBB;
8667 if(!appData.testLegality) return 10;
8668 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8669 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8670 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8671 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8672 ChessSquare piece = boards[forwardMostMove][r][f];
8673 int black = (piece >= BlackPawn);
8674 int type = piece - black*BlackPawn;
8675 if(piece == EmptySquare) continue;
8676 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8677 if(type == WhiteKing) type = WhiteQueen + 1;
8678 type = egbbCode[type];
8679 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8680 pieces[cnt] = type + black*6;
8681 if(++cnt > 5) return 11;
8683 pieces[cnt] = squares[cnt] = 0;
8685 if(loaded == 2) return 13; // loading failed before
8687 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8690 loaded = 2; // prepare for failure
8691 if(!path) return 13; // no egbb installed
8692 strncpy(buf, path + 8, MSG_SIZ);
8693 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8694 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8695 lib = LoadLibrary(buf);
8696 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8697 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8698 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8699 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8700 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8701 loaded = 1; // success!
8703 res = probeBB(forwardMostMove & 1, pieces, squares);
8704 return res > 0 ? 1 : res < 0 ? -1 : 0;
8708 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8709 { // [HGM] book: this routine intercepts moves to simulate book replies
8710 char *bookHit = NULL;
8712 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8714 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8715 SendToProgram(buf, cps);
8717 //first determine if the incoming move brings opponent into his book
8718 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8719 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8720 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8721 if(bookHit != NULL && !cps->bookSuspend) {
8722 // make sure opponent is not going to reply after receiving move to book position
8723 SendToProgram("force\n", cps);
8724 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8726 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8727 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8728 // now arrange restart after book miss
8730 // after a book hit we never send 'go', and the code after the call to this routine
8731 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8732 char buf[MSG_SIZ], *move = bookHit;
8734 int fromX, fromY, toX, toY;
8738 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8739 &fromX, &fromY, &toX, &toY, &promoChar)) {
8740 (void) CoordsToAlgebraic(boards[forwardMostMove],
8741 PosFlags(forwardMostMove),
8742 fromY, fromX, toY, toX, promoChar, move);
8744 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8748 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8749 SendToProgram(buf, cps);
8750 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8751 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8752 SendToProgram("go\n", cps);
8753 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8754 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8755 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8756 SendToProgram("go\n", cps);
8757 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8759 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8763 LoadError (char *errmess, ChessProgramState *cps)
8764 { // unloads engine and switches back to -ncp mode if it was first
8765 if(cps->initDone) return FALSE;
8766 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8767 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8770 appData.noChessProgram = TRUE;
8771 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8772 gameMode = BeginningOfGame; ModeHighlight();
8775 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8776 DisplayMessage("", ""); // erase waiting message
8777 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8782 ChessProgramState *savedState;
8784 DeferredBookMove (void)
8786 if(savedState->lastPing != savedState->lastPong)
8787 ScheduleDelayedEvent(DeferredBookMove, 10);
8789 HandleMachineMove(savedMessage, savedState);
8792 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8793 static ChessProgramState *stalledEngine;
8794 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8797 HandleMachineMove (char *message, ChessProgramState *cps)
8799 static char firstLeg[20], legs;
8800 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8801 char realname[MSG_SIZ];
8802 int fromX, fromY, toX, toY;
8804 char promoChar, roar;
8809 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8810 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8811 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8812 DisplayError(_("Invalid pairing from pairing engine"), 0);
8815 pairingReceived = 1;
8817 return; // Skim the pairing messages here.
8820 oldError = cps->userError; cps->userError = 0;
8822 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8824 * Kludge to ignore BEL characters
8826 while (*message == '\007') message++;
8829 * [HGM] engine debug message: ignore lines starting with '#' character
8831 if(cps->debug && *message == '#') return;
8834 * Look for book output
8836 if (cps == &first && bookRequested) {
8837 if (message[0] == '\t' || message[0] == ' ') {
8838 /* Part of the book output is here; append it */
8839 strcat(bookOutput, message);
8840 strcat(bookOutput, " \n");
8842 } else if (bookOutput[0] != NULLCHAR) {
8843 /* All of book output has arrived; display it */
8844 char *p = bookOutput;
8845 while (*p != NULLCHAR) {
8846 if (*p == '\t') *p = ' ';
8849 DisplayInformation(bookOutput);
8850 bookRequested = FALSE;
8851 /* Fall through to parse the current output */
8856 * Look for machine move.
8858 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8859 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8861 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8862 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8863 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8864 stalledEngine = cps;
8865 if(appData.ponderNextMove) { // bring opponent out of ponder
8866 if(gameMode == TwoMachinesPlay) {
8867 if(cps->other->pause)
8868 PauseEngine(cps->other);
8870 SendToProgram("easy\n", cps->other);
8879 /* This method is only useful on engines that support ping */
8880 if(abortEngineThink) {
8881 if (appData.debugMode) {
8882 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8884 SendToProgram("undo\n", cps);
8888 if (cps->lastPing != cps->lastPong) {
8889 /* Extra move from before last new; ignore */
8890 if (appData.debugMode) {
8891 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8898 int machineWhite = FALSE;
8901 case BeginningOfGame:
8902 /* Extra move from before last reset; ignore */
8903 if (appData.debugMode) {
8904 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8911 /* Extra move after we tried to stop. The mode test is
8912 not a reliable way of detecting this problem, but it's
8913 the best we can do on engines that don't support ping.
8915 if (appData.debugMode) {
8916 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8917 cps->which, gameMode);
8919 SendToProgram("undo\n", cps);
8922 case MachinePlaysWhite:
8923 case IcsPlayingWhite:
8924 machineWhite = TRUE;
8927 case MachinePlaysBlack:
8928 case IcsPlayingBlack:
8929 machineWhite = FALSE;
8932 case TwoMachinesPlay:
8933 machineWhite = (cps->twoMachinesColor[0] == 'w');
8936 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8937 if (appData.debugMode) {
8939 "Ignoring move out of turn by %s, gameMode %d"
8940 ", forwardMost %d\n",
8941 cps->which, gameMode, forwardMostMove);
8947 if(cps->alphaRank) AlphaRank(machineMove, 4);
8949 // [HGM] lion: (some very limited) support for Alien protocol
8950 killX = killY = kill2X = kill2Y = -1;
8951 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8952 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8953 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8956 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8957 char *q = strchr(p+1, ','); // second comma?
8958 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8959 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8960 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8962 if(firstLeg[0]) { // there was a previous leg;
8963 // only support case where same piece makes two step
8964 char buf[20], *p = machineMove+1, *q = buf+1, f;
8965 safeStrCpy(buf, machineMove, 20);
8966 while(isdigit(*q)) q++; // find start of to-square
8967 safeStrCpy(machineMove, firstLeg, 20);
8968 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8969 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
8970 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)
8971 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8972 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8973 firstLeg[0] = NULLCHAR; legs = 0;
8976 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8977 &fromX, &fromY, &toX, &toY, &promoChar)) {
8978 /* Machine move could not be parsed; ignore it. */
8979 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8980 machineMove, _(cps->which));
8981 DisplayMoveError(buf1);
8982 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8983 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8984 if (gameMode == TwoMachinesPlay) {
8985 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8991 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8992 /* So we have to redo legality test with true e.p. status here, */
8993 /* to make sure an illegal e.p. capture does not slip through, */
8994 /* to cause a forfeit on a justified illegal-move complaint */
8995 /* of the opponent. */
8996 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8998 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8999 fromY, fromX, toY, toX, promoChar);
9000 if(moveType == IllegalMove) {
9001 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
9002 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
9003 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9006 } else if(!appData.fischerCastling)
9007 /* [HGM] Kludge to handle engines that send FRC-style castling
9008 when they shouldn't (like TSCP-Gothic) */
9010 case WhiteASideCastleFR:
9011 case BlackASideCastleFR:
9013 currentMoveString[2]++;
9015 case WhiteHSideCastleFR:
9016 case BlackHSideCastleFR:
9018 currentMoveString[2]--;
9020 default: ; // nothing to do, but suppresses warning of pedantic compilers
9023 hintRequested = FALSE;
9024 lastHint[0] = NULLCHAR;
9025 bookRequested = FALSE;
9026 /* Program may be pondering now */
9027 cps->maybeThinking = TRUE;
9028 if (cps->sendTime == 2) cps->sendTime = 1;
9029 if (cps->offeredDraw) cps->offeredDraw--;
9031 /* [AS] Save move info*/
9032 pvInfoList[ forwardMostMove ].score = programStats.score;
9033 pvInfoList[ forwardMostMove ].depth = programStats.depth;
9034 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
9036 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
9038 /* Test suites abort the 'game' after one move */
9039 if(*appData.finger) {
9041 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
9042 if(!f) f = fopen(appData.finger, "w");
9043 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
9044 else { DisplayFatalError("Bad output file", errno, 0); return; }
9046 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9049 if(solvingTime >= 0) {
9050 snprintf(buf1, MSG_SIZ, "%d. %4.2fs: %s ", matchGame, solvingTime/100., parseList[backwardMostMove]);
9051 totalTime += solvingTime; first.matchWins++; solvingTime = -1;
9053 snprintf(buf1, MSG_SIZ, "%d. %s?%s ", matchGame, parseList[backwardMostMove], solvingTime == -2 ? " ???" : "");
9054 if(solvingTime == -2) second.matchWins++;
9056 OutputKibitz(2, buf1);
9057 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9060 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
9061 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
9064 while( count < adjudicateLossPlies ) {
9065 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
9068 score = -score; /* Flip score for winning side */
9071 if( score > appData.adjudicateLossThreshold ) {
9078 if( count >= adjudicateLossPlies ) {
9079 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9081 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
9082 "Xboard adjudication",
9089 if(Adjudicate(cps)) {
9090 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9091 return; // [HGM] adjudicate: for all automatic game ends
9095 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
9097 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
9098 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
9100 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9102 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
9104 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
9105 char buf[3*MSG_SIZ];
9107 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
9108 programStats.score / 100.,
9110 programStats.time / 100.,
9111 (unsigned int)programStats.nodes,
9112 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9113 programStats.movelist);
9119 /* [AS] Clear stats for next move */
9120 ClearProgramStats();
9121 thinkOutput[0] = NULLCHAR;
9122 hiddenThinkOutputState = 0;
9125 if (gameMode == TwoMachinesPlay) {
9126 /* [HGM] relaying draw offers moved to after reception of move */
9127 /* and interpreting offer as claim if it brings draw condition */
9128 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9129 SendToProgram("draw\n", cps->other);
9131 if (cps->other->sendTime) {
9132 SendTimeRemaining(cps->other,
9133 cps->other->twoMachinesColor[0] == 'w');
9135 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9136 if (firstMove && !bookHit) {
9138 if (cps->other->useColors) {
9139 SendToProgram(cps->other->twoMachinesColor, cps->other);
9141 SendToProgram("go\n", cps->other);
9143 cps->other->maybeThinking = TRUE;
9146 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9148 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9150 if (!pausing && appData.ringBellAfterMoves) {
9151 if(!roar) RingBell();
9155 * Reenable menu items that were disabled while
9156 * machine was thinking
9158 if (gameMode != TwoMachinesPlay)
9159 SetUserThinkingEnables();
9161 // [HGM] book: after book hit opponent has received move and is now in force mode
9162 // force the book reply into it, and then fake that it outputted this move by jumping
9163 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9165 static char bookMove[MSG_SIZ]; // a bit generous?
9167 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9168 strcat(bookMove, bookHit);
9171 programStats.nodes = programStats.depth = programStats.time =
9172 programStats.score = programStats.got_only_move = 0;
9173 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9175 if(cps->lastPing != cps->lastPong) {
9176 savedMessage = message; // args for deferred call
9178 ScheduleDelayedEvent(DeferredBookMove, 10);
9187 /* Set special modes for chess engines. Later something general
9188 * could be added here; for now there is just one kludge feature,
9189 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9190 * when "xboard" is given as an interactive command.
9192 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9193 cps->useSigint = FALSE;
9194 cps->useSigterm = FALSE;
9196 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9197 ParseFeatures(message+8, cps);
9198 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9201 if (!strncmp(message, "setup ", 6) &&
9202 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9203 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9204 ) { // [HGM] allow first engine to define opening position
9205 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9206 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9208 if(sscanf(message, "setup (%s", buf) == 1) {
9209 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9210 ASSIGN(appData.pieceToCharTable, buf);
9212 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9214 while(message[s] && message[s++] != ' ');
9215 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9216 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9217 // if(hand <= h) deadRanks = 0; else deadRanks = hand - h, h = hand; // adapt board to over-sized holdings
9218 if(hand > h) handSize = hand; else handSize = h;
9219 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9220 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9221 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9222 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9223 startedFromSetupPosition = FALSE;
9226 if(startedFromSetupPosition) return;
9227 ParseFEN(boards[0], &dummy, message+s, FALSE);
9228 DrawPosition(TRUE, boards[0]);
9229 CopyBoard(initialPosition, boards[0]);
9230 startedFromSetupPosition = TRUE;
9233 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9234 ChessSquare piece = WhitePawn;
9235 char *p=message+6, *q, *s = SUFFIXES, ID = *p, promoted = 0;
9236 if(*p == '+') promoted++, ID = *++p;
9237 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9238 piece = CharToPiece(ID & 255); if(promoted) piece = CHUPROMOTED(piece);
9239 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9240 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9241 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9242 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9243 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9244 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9245 && gameInfo.variant != VariantGreat
9246 && gameInfo.variant != VariantFairy ) return;
9247 if(piece < EmptySquare) {
9249 ASSIGN(pieceDesc[piece], buf1);
9250 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9254 if(!appData.testLegality && sscanf(message, "choice %s", promoRestrict) == 1) {
9256 LeftClick(Press, 0, 0); // finish the click that was interrupted
9257 } else if(promoSweep != EmptySquare) {
9258 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9259 if(strlen(promoRestrict) > 1) Sweep(0);
9263 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9264 * want this, I was asked to put it in, and obliged.
9266 if (!strncmp(message, "setboard ", 9)) {
9267 Board initial_position;
9269 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9271 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9272 DisplayError(_("Bad FEN received from engine"), 0);
9276 CopyBoard(boards[0], initial_position);
9277 initialRulePlies = FENrulePlies;
9278 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9279 else gameMode = MachinePlaysBlack;
9280 DrawPosition(FALSE, boards[currentMove]);
9286 * Look for communication commands
9288 if (!strncmp(message, "telluser ", 9)) {
9289 if(message[9] == '\\' && message[10] == '\\')
9290 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9292 DisplayNote(message + 9);
9295 if (!strncmp(message, "tellusererror ", 14)) {
9297 if(message[14] == '\\' && message[15] == '\\')
9298 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9300 DisplayError(message + 14, 0);
9303 if (!strncmp(message, "tellopponent ", 13)) {
9304 if (appData.icsActive) {
9306 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9310 DisplayNote(message + 13);
9314 if (!strncmp(message, "tellothers ", 11)) {
9315 if (appData.icsActive) {
9317 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9320 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9323 if (!strncmp(message, "tellall ", 8)) {
9324 if (appData.icsActive) {
9326 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9330 DisplayNote(message + 8);
9334 if (strncmp(message, "warning", 7) == 0) {
9335 /* Undocumented feature, use tellusererror in new code */
9336 DisplayError(message, 0);
9339 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9340 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9341 strcat(realname, " query");
9342 AskQuestion(realname, buf2, buf1, cps->pr);
9345 /* Commands from the engine directly to ICS. We don't allow these to be
9346 * sent until we are logged on. Crafty kibitzes have been known to
9347 * interfere with the login process.
9350 if (!strncmp(message, "tellics ", 8)) {
9351 SendToICS(message + 8);
9355 if (!strncmp(message, "tellicsnoalias ", 15)) {
9356 SendToICS(ics_prefix);
9357 SendToICS(message + 15);
9361 /* The following are for backward compatibility only */
9362 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9363 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9364 SendToICS(ics_prefix);
9370 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9371 if(initPing == cps->lastPong) {
9372 if(gameInfo.variant == VariantUnknown) {
9373 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9374 *engineVariant = NULLCHAR; ASSIGN(appData.variant, "normal"); // back to normal as error recovery?
9375 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9379 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9380 abortEngineThink = FALSE;
9381 DisplayMessage("", "");
9386 if(!strncmp(message, "highlight ", 10)) {
9387 if(appData.testLegality && !*engineVariant && appData.markers) return;
9388 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9391 if(!strncmp(message, "click ", 6)) {
9392 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9393 if(appData.testLegality || !appData.oneClick) return;
9394 sscanf(message+6, "%c%d%c", &f, &y, &c);
9395 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9396 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9397 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9398 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9399 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9400 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9401 LeftClick(Release, lastLeftX, lastLeftY);
9402 controlKey = (c == ',');
9403 LeftClick(Press, x, y);
9404 LeftClick(Release, x, y);
9405 first.highlight = f;
9409 * If the move is illegal, cancel it and redraw the board.
9410 * Also deal with other error cases. Matching is rather loose
9411 * here to accommodate engines written before the spec.
9413 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9414 strncmp(message, "Error", 5) == 0) {
9415 if (StrStr(message, "name") ||
9416 StrStr(message, "rating") || StrStr(message, "?") ||
9417 StrStr(message, "result") || StrStr(message, "board") ||
9418 StrStr(message, "bk") || StrStr(message, "computer") ||
9419 StrStr(message, "variant") || StrStr(message, "hint") ||
9420 StrStr(message, "random") || StrStr(message, "depth") ||
9421 StrStr(message, "accepted")) {
9424 if (StrStr(message, "protover")) {
9425 /* Program is responding to input, so it's apparently done
9426 initializing, and this error message indicates it is
9427 protocol version 1. So we don't need to wait any longer
9428 for it to initialize and send feature commands. */
9429 FeatureDone(cps, 1);
9430 cps->protocolVersion = 1;
9433 cps->maybeThinking = FALSE;
9435 if (StrStr(message, "draw")) {
9436 /* Program doesn't have "draw" command */
9437 cps->sendDrawOffers = 0;
9440 if (cps->sendTime != 1 &&
9441 (StrStr(message, "time") || StrStr(message, "otim"))) {
9442 /* Program apparently doesn't have "time" or "otim" command */
9446 if (StrStr(message, "analyze")) {
9447 cps->analysisSupport = FALSE;
9448 cps->analyzing = FALSE;
9449 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9450 EditGameEvent(); // [HGM] try to preserve loaded game
9451 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9452 DisplayError(buf2, 0);
9455 if (StrStr(message, "(no matching move)st")) {
9456 /* Special kludge for GNU Chess 4 only */
9457 cps->stKludge = TRUE;
9458 SendTimeControl(cps, movesPerSession, timeControl,
9459 timeIncrement, appData.searchDepth,
9463 if (StrStr(message, "(no matching move)sd")) {
9464 /* Special kludge for GNU Chess 4 only */
9465 cps->sdKludge = TRUE;
9466 SendTimeControl(cps, movesPerSession, timeControl,
9467 timeIncrement, appData.searchDepth,
9471 if (!StrStr(message, "llegal")) {
9474 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9475 gameMode == IcsIdle) return;
9476 if (forwardMostMove <= backwardMostMove) return;
9477 if (pausing) PauseEvent();
9478 if(appData.forceIllegal) {
9479 // [HGM] illegal: machine refused move; force position after move into it
9480 SendToProgram("force\n", cps);
9481 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9482 // we have a real problem now, as SendBoard will use the a2a3 kludge
9483 // when black is to move, while there might be nothing on a2 or black
9484 // might already have the move. So send the board as if white has the move.
9485 // But first we must change the stm of the engine, as it refused the last move
9486 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9487 if(WhiteOnMove(forwardMostMove)) {
9488 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9489 SendBoard(cps, forwardMostMove); // kludgeless board
9491 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9492 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9493 SendBoard(cps, forwardMostMove+1); // kludgeless board
9495 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9496 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9497 gameMode == TwoMachinesPlay)
9498 SendToProgram("go\n", cps);
9501 if (gameMode == PlayFromGameFile) {
9502 /* Stop reading this game file */
9503 gameMode = EditGame;
9506 /* [HGM] illegal-move claim should forfeit game when Xboard */
9507 /* only passes fully legal moves */
9508 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9509 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9510 "False illegal-move claim", GE_XBOARD );
9511 return; // do not take back move we tested as valid
9513 currentMove = forwardMostMove-1;
9514 DisplayMove(currentMove-1); /* before DisplayMoveError */
9515 SwitchClocks(forwardMostMove-1); // [HGM] race
9516 DisplayBothClocks();
9517 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9518 parseList[currentMove], _(cps->which));
9519 DisplayMoveError(buf1);
9520 DrawPosition(FALSE, boards[currentMove]);
9522 SetUserThinkingEnables();
9525 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9526 /* Program has a broken "time" command that
9527 outputs a string not ending in newline.
9531 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9532 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9533 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9537 * If chess program startup fails, exit with an error message.
9538 * Attempts to recover here are futile. [HGM] Well, we try anyway
9540 if ((StrStr(message, "unknown host") != NULL)
9541 || (StrStr(message, "No remote directory") != NULL)
9542 || (StrStr(message, "not found") != NULL)
9543 || (StrStr(message, "No such file") != NULL)
9544 || (StrStr(message, "can't alloc") != NULL)
9545 || (StrStr(message, "Permission denied") != NULL)) {
9547 cps->maybeThinking = FALSE;
9548 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9549 _(cps->which), cps->program, cps->host, message);
9550 RemoveInputSource(cps->isr);
9551 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9552 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9553 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9559 * Look for hint output
9561 if (sscanf(message, "Hint: %s", buf1) == 1) {
9562 if (cps == &first && hintRequested) {
9563 hintRequested = FALSE;
9564 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9565 &fromX, &fromY, &toX, &toY, &promoChar)) {
9566 (void) CoordsToAlgebraic(boards[forwardMostMove],
9567 PosFlags(forwardMostMove),
9568 fromY, fromX, toY, toX, promoChar, buf1);
9569 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9570 DisplayInformation(buf2);
9572 /* Hint move could not be parsed!? */
9573 snprintf(buf2, sizeof(buf2),
9574 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9575 buf1, _(cps->which));
9576 DisplayError(buf2, 0);
9579 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9585 * Ignore other messages if game is not in progress
9587 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9588 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9591 * look for win, lose, draw, or draw offer
9593 if (strncmp(message, "1-0", 3) == 0) {
9594 char *p, *q, *r = "";
9595 p = strchr(message, '{');
9603 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9605 } else if (strncmp(message, "0-1", 3) == 0) {
9606 char *p, *q, *r = "";
9607 p = strchr(message, '{');
9615 /* Kludge for Arasan 4.1 bug */
9616 if (strcmp(r, "Black resigns") == 0) {
9617 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9620 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9622 } else if (strncmp(message, "1/2", 3) == 0) {
9623 char *p, *q, *r = "";
9624 p = strchr(message, '{');
9633 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9636 } else if (strncmp(message, "White resign", 12) == 0) {
9637 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9639 } else if (strncmp(message, "Black resign", 12) == 0) {
9640 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9642 } else if (strncmp(message, "White matches", 13) == 0 ||
9643 strncmp(message, "Black matches", 13) == 0 ) {
9644 /* [HGM] ignore GNUShogi noises */
9646 } else if (strncmp(message, "White", 5) == 0 &&
9647 message[5] != '(' &&
9648 StrStr(message, "Black") == NULL) {
9649 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9651 } else if (strncmp(message, "Black", 5) == 0 &&
9652 message[5] != '(') {
9653 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9655 } else if (strcmp(message, "resign") == 0 ||
9656 strcmp(message, "computer resigns") == 0) {
9658 case MachinePlaysBlack:
9659 case IcsPlayingBlack:
9660 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9662 case MachinePlaysWhite:
9663 case IcsPlayingWhite:
9664 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9666 case TwoMachinesPlay:
9667 if (cps->twoMachinesColor[0] == 'w')
9668 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9670 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9677 } else if (strncmp(message, "opponent mates", 14) == 0) {
9679 case MachinePlaysBlack:
9680 case IcsPlayingBlack:
9681 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9683 case MachinePlaysWhite:
9684 case IcsPlayingWhite:
9685 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9687 case TwoMachinesPlay:
9688 if (cps->twoMachinesColor[0] == 'w')
9689 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9691 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9698 } else if (strncmp(message, "computer mates", 14) == 0) {
9700 case MachinePlaysBlack:
9701 case IcsPlayingBlack:
9702 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9704 case MachinePlaysWhite:
9705 case IcsPlayingWhite:
9706 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9708 case TwoMachinesPlay:
9709 if (cps->twoMachinesColor[0] == 'w')
9710 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9712 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9719 } else if (strncmp(message, "checkmate", 9) == 0) {
9720 if (WhiteOnMove(forwardMostMove)) {
9721 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9723 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9726 } else if (strstr(message, "Draw") != NULL ||
9727 strstr(message, "game is a draw") != NULL) {
9728 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9730 } else if (strstr(message, "offer") != NULL &&
9731 strstr(message, "draw") != NULL) {
9733 if (appData.zippyPlay && first.initDone) {
9734 /* Relay offer to ICS */
9735 SendToICS(ics_prefix);
9736 SendToICS("draw\n");
9739 cps->offeredDraw = 2; /* valid until this engine moves twice */
9740 if (gameMode == TwoMachinesPlay) {
9741 if (cps->other->offeredDraw) {
9742 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9743 /* [HGM] in two-machine mode we delay relaying draw offer */
9744 /* until after we also have move, to see if it is really claim */
9746 } else if (gameMode == MachinePlaysWhite ||
9747 gameMode == MachinePlaysBlack) {
9748 if (userOfferedDraw) {
9749 DisplayInformation(_("Machine accepts your draw offer"));
9750 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9752 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9759 * Look for thinking output
9761 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9762 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9764 int plylev, mvleft, mvtot, curscore, time;
9765 char mvname[MOVE_LEN];
9769 int prefixHint = FALSE;
9770 mvname[0] = NULLCHAR;
9773 case MachinePlaysBlack:
9774 case IcsPlayingBlack:
9775 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9777 case MachinePlaysWhite:
9778 case IcsPlayingWhite:
9779 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9784 case IcsObserving: /* [DM] icsEngineAnalyze */
9785 if (!appData.icsEngineAnalyze) ignore = TRUE;
9787 case TwoMachinesPlay:
9788 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9798 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9801 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9802 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9803 char score_buf[MSG_SIZ];
9805 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9806 nodes += u64Const(0x100000000);
9808 if (plyext != ' ' && plyext != '\t') {
9812 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9813 if( cps->scoreIsAbsolute &&
9814 ( gameMode == MachinePlaysBlack ||
9815 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9816 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9817 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9818 !WhiteOnMove(currentMove)
9821 curscore = -curscore;
9824 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9826 if(*bestMove) { // rememer time best EPD move was first found
9827 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9828 ChessMove mt; char *p = bestMove;
9829 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9831 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9832 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9833 solvingTime = (solvingTime < 0 ? time : solvingTime);
9837 while(*p && *p != ' ') p++;
9838 while(*p == ' ') p++;
9840 if(!solved) solvingTime = -1;
9842 if(*avoidMove && !solved) {
9843 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9844 ChessMove mt; char *p = avoidMove, solved = 1;
9845 int ok = ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9846 while(ok && *p && ParseOneMove(p, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1)) {
9847 if(ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2) {
9848 solved = 0; solvingTime = -2;
9851 while(*p && *p != ' ') p++;
9852 while(*p == ' ') p++;
9854 if(solved && !*bestMove) solvingTime = (solvingTime < 0 ? time : solvingTime);
9857 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9860 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9861 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9862 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9863 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9864 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9865 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9869 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9870 DisplayError(_("failed writing PV"), 0);
9873 tempStats.depth = plylev;
9874 tempStats.nodes = nodes;
9875 tempStats.time = time;
9876 tempStats.score = curscore;
9877 tempStats.got_only_move = 0;
9879 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9882 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9883 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9884 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9885 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9886 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9887 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9888 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9889 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9892 /* Buffer overflow protection */
9893 if (pv[0] != NULLCHAR) {
9894 if (strlen(pv) >= sizeof(tempStats.movelist)
9895 && appData.debugMode) {
9897 "PV is too long; using the first %u bytes.\n",
9898 (unsigned) sizeof(tempStats.movelist) - 1);
9901 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9903 sprintf(tempStats.movelist, " no PV\n");
9906 if (tempStats.seen_stat) {
9907 tempStats.ok_to_send = 1;
9910 if (strchr(tempStats.movelist, '(') != NULL) {
9911 tempStats.line_is_book = 1;
9912 tempStats.nr_moves = 0;
9913 tempStats.moves_left = 0;
9915 tempStats.line_is_book = 0;
9918 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9919 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9921 SendProgramStatsToFrontend( cps, &tempStats );
9924 [AS] Protect the thinkOutput buffer from overflow... this
9925 is only useful if buf1 hasn't overflowed first!
9927 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9928 if(curscore >= MATE_SCORE)
9929 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9930 else if(curscore <= -MATE_SCORE)
9931 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9933 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9934 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9936 (gameMode == TwoMachinesPlay ?
9937 ToUpper(cps->twoMachinesColor[0]) : ' '),
9939 prefixHint ? lastHint : "",
9940 prefixHint ? " " : "" );
9942 if( buf1[0] != NULLCHAR ) {
9943 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9945 if( strlen(pv) > max_len ) {
9946 if( appData.debugMode) {
9947 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9949 pv[max_len+1] = '\0';
9952 strcat( thinkOutput, pv);
9955 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9956 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9957 DisplayMove(currentMove - 1);
9961 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9962 /* crafty (9.25+) says "(only move) <move>"
9963 * if there is only 1 legal move
9965 sscanf(p, "(only move) %s", buf1);
9966 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9967 sprintf(programStats.movelist, "%s (only move)", buf1);
9968 programStats.depth = 1;
9969 programStats.nr_moves = 1;
9970 programStats.moves_left = 1;
9971 programStats.nodes = 1;
9972 programStats.time = 1;
9973 programStats.got_only_move = 1;
9975 /* Not really, but we also use this member to
9976 mean "line isn't going to change" (Crafty
9977 isn't searching, so stats won't change) */
9978 programStats.line_is_book = 1;
9980 SendProgramStatsToFrontend( cps, &programStats );
9982 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9983 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9984 DisplayMove(currentMove - 1);
9987 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9988 &time, &nodes, &plylev, &mvleft,
9989 &mvtot, mvname) >= 5) {
9990 /* The stat01: line is from Crafty (9.29+) in response
9991 to the "." command */
9992 programStats.seen_stat = 1;
9993 cps->maybeThinking = TRUE;
9995 if (programStats.got_only_move || !appData.periodicUpdates)
9998 programStats.depth = plylev;
9999 programStats.time = time;
10000 programStats.nodes = nodes;
10001 programStats.moves_left = mvleft;
10002 programStats.nr_moves = mvtot;
10003 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
10004 programStats.ok_to_send = 1;
10005 programStats.movelist[0] = '\0';
10007 SendProgramStatsToFrontend( cps, &programStats );
10011 } else if (strncmp(message,"++",2) == 0) {
10012 /* Crafty 9.29+ outputs this */
10013 programStats.got_fail = 2;
10016 } else if (strncmp(message,"--",2) == 0) {
10017 /* Crafty 9.29+ outputs this */
10018 programStats.got_fail = 1;
10021 } else if (thinkOutput[0] != NULLCHAR &&
10022 strncmp(message, " ", 4) == 0) {
10023 unsigned message_len;
10026 while (*p && *p == ' ') p++;
10028 message_len = strlen( p );
10030 /* [AS] Avoid buffer overflow */
10031 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
10032 strcat(thinkOutput, " ");
10033 strcat(thinkOutput, p);
10036 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
10037 strcat(programStats.movelist, " ");
10038 strcat(programStats.movelist, p);
10041 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
10042 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
10043 DisplayMove(currentMove - 1);
10049 buf1[0] = NULLCHAR;
10051 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
10052 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
10054 ChessProgramStats cpstats;
10056 if (plyext != ' ' && plyext != '\t') {
10060 /* [AS] Negate score if machine is playing black and reporting absolute scores */
10061 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
10062 curscore = -curscore;
10065 cpstats.depth = plylev;
10066 cpstats.nodes = nodes;
10067 cpstats.time = time;
10068 cpstats.score = curscore;
10069 cpstats.got_only_move = 0;
10070 cpstats.movelist[0] = '\0';
10072 if (buf1[0] != NULLCHAR) {
10073 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
10076 cpstats.ok_to_send = 0;
10077 cpstats.line_is_book = 0;
10078 cpstats.nr_moves = 0;
10079 cpstats.moves_left = 0;
10081 SendProgramStatsToFrontend( cps, &cpstats );
10088 /* Parse a game score from the character string "game", and
10089 record it as the history of the current game. The game
10090 score is NOT assumed to start from the standard position.
10091 The display is not updated in any way.
10094 ParseGameHistory (char *game)
10096 ChessMove moveType;
10097 int fromX, fromY, toX, toY, boardIndex, mask;
10102 if (appData.debugMode)
10103 fprintf(debugFP, "Parsing game history: %s\n", game);
10105 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
10106 gameInfo.site = StrSave(appData.icsHost);
10107 gameInfo.date = PGNDate();
10108 gameInfo.round = StrSave("-");
10110 /* Parse out names of players */
10111 while (*game == ' ') game++;
10113 while (*game != ' ') *p++ = *game++;
10115 gameInfo.white = StrSave(buf);
10116 while (*game == ' ') game++;
10118 while (*game != ' ' && *game != '\n') *p++ = *game++;
10120 gameInfo.black = StrSave(buf);
10123 boardIndex = blackPlaysFirst ? 1 : 0;
10126 yyboardindex = boardIndex;
10127 moveType = (ChessMove) Myylex();
10128 switch (moveType) {
10129 case IllegalMove: /* maybe suicide chess, etc. */
10130 if (appData.debugMode) {
10131 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
10132 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10133 setbuf(debugFP, NULL);
10135 case WhitePromotion:
10136 case BlackPromotion:
10137 case WhiteNonPromotion:
10138 case BlackNonPromotion:
10141 case WhiteCapturesEnPassant:
10142 case BlackCapturesEnPassant:
10143 case WhiteKingSideCastle:
10144 case WhiteQueenSideCastle:
10145 case BlackKingSideCastle:
10146 case BlackQueenSideCastle:
10147 case WhiteKingSideCastleWild:
10148 case WhiteQueenSideCastleWild:
10149 case BlackKingSideCastleWild:
10150 case BlackQueenSideCastleWild:
10152 case WhiteHSideCastleFR:
10153 case WhiteASideCastleFR:
10154 case BlackHSideCastleFR:
10155 case BlackASideCastleFR:
10157 fromX = currentMoveString[0] - AAA;
10158 fromY = currentMoveString[1] - ONE;
10159 toX = currentMoveString[2] - AAA;
10160 toY = currentMoveString[3] - ONE;
10161 promoChar = currentMoveString[4];
10165 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10166 fromX = moveType == WhiteDrop ?
10167 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10168 (int) CharToPiece(ToLower(currentMoveString[0]));
10170 toX = currentMoveString[2] - AAA;
10171 toY = currentMoveString[3] - ONE;
10172 promoChar = NULLCHAR;
10174 case AmbiguousMove:
10176 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10177 if (appData.debugMode) {
10178 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10179 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10180 setbuf(debugFP, NULL);
10182 DisplayError(buf, 0);
10184 case ImpossibleMove:
10186 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10187 if (appData.debugMode) {
10188 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10189 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10190 setbuf(debugFP, NULL);
10192 DisplayError(buf, 0);
10195 if (boardIndex < backwardMostMove) {
10196 /* Oops, gap. How did that happen? */
10197 DisplayError(_("Gap in move list"), 0);
10200 backwardMostMove = blackPlaysFirst ? 1 : 0;
10201 if (boardIndex > forwardMostMove) {
10202 forwardMostMove = boardIndex;
10206 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10207 strcat(parseList[boardIndex-1], " ");
10208 strcat(parseList[boardIndex-1], yy_text);
10220 case GameUnfinished:
10221 if (gameMode == IcsExamining) {
10222 if (boardIndex < backwardMostMove) {
10223 /* Oops, gap. How did that happen? */
10226 backwardMostMove = blackPlaysFirst ? 1 : 0;
10229 gameInfo.result = moveType;
10230 p = strchr(yy_text, '{');
10231 if (p == NULL) p = strchr(yy_text, '(');
10234 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10236 q = strchr(p, *p == '{' ? '}' : ')');
10237 if (q != NULL) *q = NULLCHAR;
10240 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10241 gameInfo.resultDetails = StrSave(p);
10244 if (boardIndex >= forwardMostMove &&
10245 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10246 backwardMostMove = blackPlaysFirst ? 1 : 0;
10249 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10250 fromY, fromX, toY, toX, promoChar,
10251 parseList[boardIndex]);
10252 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10253 /* currentMoveString is set as a side-effect of yylex */
10254 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10255 strcat(moveList[boardIndex], "\n");
10257 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10258 mask = (WhiteOnMove(boardIndex) ? 0xFF : 0xFF00);
10259 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10265 if(boards[boardIndex][CHECK_COUNT]) boards[boardIndex][CHECK_COUNT] -= mask & 0x101;
10266 if(!boards[boardIndex][CHECK_COUNT] || boards[boardIndex][CHECK_COUNT] & mask) {
10267 if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[boardIndex - 1], "+");
10272 strcat(parseList[boardIndex - 1], "#");
10279 /* Apply a move to the given board */
10281 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10283 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, epFile, lastFile, lastRank, berolina = 0;
10284 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10286 /* [HGM] compute & store e.p. status and castling rights for new position */
10287 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10289 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10290 oldEP = (signed char)board[EP_STATUS]; epRank = board[EP_RANK]; epFile = board[EP_FILE]; lastFile = board[LAST_TO] & 255,lastRank = board[LAST_TO] >> 8;
10291 board[EP_STATUS] = EP_NONE;
10292 board[EP_FILE] = board[EP_RANK] = 100, board[LAST_TO] = 0x4040;
10294 if (fromY == DROP_RANK) {
10295 /* must be first */
10296 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10297 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10300 piece = board[toY][toX] = (ChessSquare) fromX;
10302 // ChessSquare victim;
10305 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10306 // victim = board[killY][killX],
10307 killed = board[killY][killX],
10308 board[killY][killX] = EmptySquare,
10309 board[EP_STATUS] = EP_CAPTURE;
10310 if( kill2X >= 0 && kill2Y >= 0)
10311 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10314 if( board[toY][toX] != EmptySquare ) {
10315 board[EP_STATUS] = EP_CAPTURE;
10316 if( (fromX != toX || fromY != toY) && // not igui!
10317 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10318 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10319 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10323 pawn = board[fromY][fromX];
10324 if(pieceDesc[pawn] && strchr(pieceDesc[pawn], 'e')) { // piece with user-defined e.p. capture
10325 if(captured == EmptySquare && toX == epFile && (toY == (epRank & 127) || toY + (pawn < BlackPawn ? -1 : 1) == epRank - 128)) {
10326 captured = board[lastRank][lastFile]; // remove victim
10327 board[lastRank][lastFile] = EmptySquare;
10328 pawn = EmptySquare; // kludge to suppress old e.p. code
10331 if( pawn == WhiteLance || pawn == BlackLance ) {
10332 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10333 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10334 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10337 if( pawn == WhitePawn ) {
10338 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10339 board[EP_STATUS] = EP_PAWN_MOVE;
10340 if( toY-fromY>=2) {
10341 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10342 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10343 gameInfo.variant != VariantBerolina || toX < fromX)
10344 board[EP_STATUS] = toX | berolina;
10345 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10346 gameInfo.variant != VariantBerolina || toX > fromX)
10347 board[EP_STATUS] = toX;
10348 board[LAST_TO] = toX + 256*toY;
10351 if( pawn == BlackPawn ) {
10352 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10353 board[EP_STATUS] = EP_PAWN_MOVE;
10354 if( toY-fromY<= -2) {
10355 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10356 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10357 gameInfo.variant != VariantBerolina || toX < fromX)
10358 board[EP_STATUS] = toX | berolina;
10359 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10360 gameInfo.variant != VariantBerolina || toX > fromX)
10361 board[EP_STATUS] = toX;
10362 board[LAST_TO] = toX + 256*toY;
10366 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10367 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10368 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10369 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10371 for(i=0; i<nrCastlingRights; i++) {
10372 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10373 board[CASTLING][i] == toX && castlingRank[i] == toY
10374 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10377 if(gameInfo.variant == VariantSChess) { // update virginity
10378 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10379 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10380 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10381 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10384 if (fromX == toX && fromY == toY && killX < 0) return;
10386 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10387 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10388 if(gameInfo.variant == VariantKnightmate)
10389 king += (int) WhiteUnicorn - (int) WhiteKing;
10391 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10392 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10393 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10394 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10395 board[EP_STATUS] = EP_NONE; // capture was fake!
10397 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10398 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10399 board[toY][toX] = piece;
10400 board[EP_STATUS] = EP_NONE; // capture was fake!
10402 /* Code added by Tord: */
10403 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10404 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10405 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10406 board[EP_STATUS] = EP_NONE; // capture was fake!
10407 board[fromY][fromX] = EmptySquare;
10408 board[toY][toX] = EmptySquare;
10409 if((toX > fromX) != (piece == WhiteRook)) {
10410 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10412 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10414 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10415 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10416 board[EP_STATUS] = EP_NONE;
10417 board[fromY][fromX] = EmptySquare;
10418 board[toY][toX] = EmptySquare;
10419 if((toX > fromX) != (piece == BlackRook)) {
10420 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10422 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10424 /* End of code added by Tord */
10426 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10427 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10428 board[toY][toX] = piece;
10429 } else if (board[fromY][fromX] == king
10430 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10431 && toY == fromY && toX > fromX+1) {
10432 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++)
10433 ; // castle with nearest piece
10434 board[fromY][toX-1] = board[fromY][rookX];
10435 board[fromY][rookX] = EmptySquare;
10436 board[fromY][fromX] = EmptySquare;
10437 board[toY][toX] = king;
10438 } else if (board[fromY][fromX] == king
10439 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10440 && toY == fromY && toX < fromX-1) {
10441 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10442 ; // castle with nearest piece
10443 board[fromY][toX+1] = board[fromY][rookX];
10444 board[fromY][rookX] = EmptySquare;
10445 board[fromY][fromX] = EmptySquare;
10446 board[toY][toX] = king;
10447 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10448 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10449 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10451 /* white pawn promotion */
10452 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10453 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10454 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10455 board[fromY][fromX] = EmptySquare;
10456 } else if ((fromY >= BOARD_HEIGHT>>1)
10457 && (epFile == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10459 && gameInfo.variant != VariantXiangqi
10460 && gameInfo.variant != VariantBerolina
10461 && (pawn == WhitePawn)
10462 && (board[toY][toX] == EmptySquare)) {
10463 if(lastFile == 100) lastFile = (board[fromY][toX] == BlackPawn ? toX : fromX), lastRank = fromY; // assume FIDE e.p. if victim present
10464 board[fromY][fromX] = EmptySquare;
10465 board[toY][toX] = piece;
10466 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10467 } else if ((fromY == BOARD_HEIGHT-4)
10469 && gameInfo.variant == VariantBerolina
10470 && (board[fromY][fromX] == WhitePawn)
10471 && (board[toY][toX] == EmptySquare)) {
10472 board[fromY][fromX] = EmptySquare;
10473 board[toY][toX] = WhitePawn;
10474 if(oldEP & EP_BEROLIN_A) {
10475 captured = board[fromY][fromX-1];
10476 board[fromY][fromX-1] = EmptySquare;
10477 }else{ captured = board[fromY][fromX+1];
10478 board[fromY][fromX+1] = EmptySquare;
10480 } else if (board[fromY][fromX] == king
10481 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10482 && toY == fromY && toX > fromX+1) {
10483 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++)
10485 board[fromY][toX-1] = board[fromY][rookX];
10486 board[fromY][rookX] = EmptySquare;
10487 board[fromY][fromX] = EmptySquare;
10488 board[toY][toX] = king;
10489 } else if (board[fromY][fromX] == king
10490 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10491 && toY == fromY && toX < fromX-1) {
10492 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--)
10494 board[fromY][toX+1] = board[fromY][rookX];
10495 board[fromY][rookX] = EmptySquare;
10496 board[fromY][fromX] = EmptySquare;
10497 board[toY][toX] = king;
10498 } else if (fromY == 7 && fromX == 3
10499 && board[fromY][fromX] == BlackKing
10500 && toY == 7 && toX == 5) {
10501 board[fromY][fromX] = EmptySquare;
10502 board[toY][toX] = BlackKing;
10503 board[fromY][7] = EmptySquare;
10504 board[toY][4] = BlackRook;
10505 } else if (fromY == 7 && fromX == 3
10506 && board[fromY][fromX] == BlackKing
10507 && toY == 7 && toX == 1) {
10508 board[fromY][fromX] = EmptySquare;
10509 board[toY][toX] = BlackKing;
10510 board[fromY][0] = EmptySquare;
10511 board[toY][2] = BlackRook;
10512 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10513 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10514 && toY < promoRank && promoChar
10516 /* black pawn promotion */
10517 board[toY][toX] = CharToPiece(ToLower(promoChar));
10518 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10519 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10520 board[fromY][fromX] = EmptySquare;
10521 } else if ((fromY < BOARD_HEIGHT>>1)
10522 && (epFile == toX && epRank == toY || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10524 && gameInfo.variant != VariantXiangqi
10525 && gameInfo.variant != VariantBerolina
10526 && (pawn == BlackPawn)
10527 && (board[toY][toX] == EmptySquare)) {
10528 if(lastFile == 100) lastFile = (board[fromY][toX] == WhitePawn ? toX : fromX), lastRank = fromY;
10529 board[fromY][fromX] = EmptySquare;
10530 board[toY][toX] = piece;
10531 captured = board[lastRank][lastFile], board[lastRank][lastFile] = EmptySquare;
10532 } else if ((fromY == 3)
10534 && gameInfo.variant == VariantBerolina
10535 && (board[fromY][fromX] == BlackPawn)
10536 && (board[toY][toX] == EmptySquare)) {
10537 board[fromY][fromX] = EmptySquare;
10538 board[toY][toX] = BlackPawn;
10539 if(oldEP & EP_BEROLIN_A) {
10540 captured = board[fromY][fromX-1];
10541 board[fromY][fromX-1] = EmptySquare;
10542 }else{ captured = board[fromY][fromX+1];
10543 board[fromY][fromX+1] = EmptySquare;
10546 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10547 board[fromY][fromX] = EmptySquare;
10548 board[toY][toX] = piece;
10552 if (gameInfo.holdingsWidth != 0) {
10554 /* !!A lot more code needs to be written to support holdings */
10555 /* [HGM] OK, so I have written it. Holdings are stored in the */
10556 /* penultimate board files, so they are automaticlly stored */
10557 /* in the game history. */
10558 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10559 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10560 /* Delete from holdings, by decreasing count */
10561 /* and erasing image if necessary */
10562 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10563 if(p < (int) BlackPawn) { /* white drop */
10564 p -= (int)WhitePawn;
10565 p = PieceToNumber((ChessSquare)p);
10566 if(p >= gameInfo.holdingsSize) p = 0;
10567 if(--board[p][BOARD_WIDTH-2] <= 0)
10568 board[p][BOARD_WIDTH-1] = EmptySquare;
10569 if((int)board[p][BOARD_WIDTH-2] < 0)
10570 board[p][BOARD_WIDTH-2] = 0;
10571 } else { /* black drop */
10572 p -= (int)BlackPawn;
10573 p = PieceToNumber((ChessSquare)p);
10574 if(p >= gameInfo.holdingsSize) p = 0;
10575 if(--board[handSize-1-p][1] <= 0)
10576 board[handSize-1-p][0] = EmptySquare;
10577 if((int)board[handSize-1-p][1] < 0)
10578 board[handSize-1-p][1] = 0;
10581 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10582 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10583 /* [HGM] holdings: Add to holdings, if holdings exist */
10584 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10585 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10586 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10588 p = (int) captured;
10589 if (p >= (int) BlackPawn) {
10590 p -= (int)BlackPawn;
10591 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10592 /* Restore shogi-promoted piece to its original first */
10593 captured = (ChessSquare) (DEMOTED(captured));
10596 p = PieceToNumber((ChessSquare)p);
10597 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10598 board[p][BOARD_WIDTH-2]++;
10599 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10601 p -= (int)WhitePawn;
10602 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10603 captured = (ChessSquare) (DEMOTED(captured));
10606 p = PieceToNumber((ChessSquare)p);
10607 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10608 board[handSize-1-p][1]++;
10609 board[handSize-1-p][0] = WHITE_TO_BLACK captured;
10612 } else if (gameInfo.variant == VariantAtomic) {
10613 if (captured != EmptySquare) {
10615 for (y = toY-1; y <= toY+1; y++) {
10616 for (x = toX-1; x <= toX+1; x++) {
10617 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10618 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10619 board[y][x] = EmptySquare;
10623 board[toY][toX] = EmptySquare;
10627 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10628 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10630 if(promoChar == '+') {
10631 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10632 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10633 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10634 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10635 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10636 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10637 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10638 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10639 board[toY][toX] = newPiece;
10641 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10642 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10643 // [HGM] superchess: take promotion piece out of holdings
10644 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10645 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10646 if(!--board[k][BOARD_WIDTH-2])
10647 board[k][BOARD_WIDTH-1] = EmptySquare;
10649 if(!--board[handSize-1-k][1])
10650 board[handSize-1-k][0] = EmptySquare;
10655 /* Updates forwardMostMove */
10657 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10659 int x = toX, y = toY, mask;
10660 char *s = parseList[forwardMostMove];
10661 ChessSquare p = boards[forwardMostMove][toY][toX];
10662 // forwardMostMove++; // [HGM] bare: moved downstream
10664 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10665 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10666 (void) CoordsToAlgebraic(boards[forwardMostMove],
10667 PosFlags(forwardMostMove),
10668 fromY, fromX, y, x, (killX < 0)*promoChar,
10670 if(kill2X >= 0 && kill2Y >= 0)
10671 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10672 if(killX >= 0 && killY >= 0)
10673 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10674 toX + AAA, toY + ONE - '0', promoChar);
10676 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10677 int timeLeft; static int lastLoadFlag=0; int king, piece;
10678 piece = boards[forwardMostMove][fromY][fromX];
10679 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10680 if(gameInfo.variant == VariantKnightmate)
10681 king += (int) WhiteUnicorn - (int) WhiteKing;
10682 if(forwardMostMove == 0) {
10683 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10684 fprintf(serverMoves, "%s;", UserName());
10685 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10686 fprintf(serverMoves, "%s;", second.tidy);
10687 fprintf(serverMoves, "%s;", first.tidy);
10688 if(gameMode == MachinePlaysWhite)
10689 fprintf(serverMoves, "%s;", UserName());
10690 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10691 fprintf(serverMoves, "%s;", second.tidy);
10692 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10693 lastLoadFlag = loadFlag;
10695 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10696 // print castling suffix
10697 if( toY == fromY && piece == king ) {
10699 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10701 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10704 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10705 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10706 boards[forwardMostMove][toY][toX] == EmptySquare
10707 && fromX != toX && fromY != toY)
10708 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10709 // promotion suffix
10710 if(promoChar != NULLCHAR) {
10711 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10712 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10713 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10714 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10717 char buf[MOVE_LEN*2], *p; int len;
10718 fprintf(serverMoves, "/%d/%d",
10719 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10720 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10721 else timeLeft = blackTimeRemaining/1000;
10722 fprintf(serverMoves, "/%d", timeLeft);
10723 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10724 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10725 if(p = strchr(buf, '=')) *p = NULLCHAR;
10726 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10727 fprintf(serverMoves, "/%s", buf);
10729 fflush(serverMoves);
10732 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10733 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10736 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10737 if (commentList[forwardMostMove+1] != NULL) {
10738 free(commentList[forwardMostMove+1]);
10739 commentList[forwardMostMove+1] = NULL;
10741 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10742 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10743 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10744 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10745 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10746 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10747 adjustedClock = FALSE;
10748 gameInfo.result = GameUnfinished;
10749 if (gameInfo.resultDetails != NULL) {
10750 free(gameInfo.resultDetails);
10751 gameInfo.resultDetails = NULL;
10753 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10754 moveList[forwardMostMove - 1]);
10755 mask = (WhiteOnMove(forwardMostMove) ? 0xFF : 0xFF00);
10756 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10762 if(boards[forwardMostMove][CHECK_COUNT]) boards[forwardMostMove][CHECK_COUNT] -= mask & 0x101;
10763 if(!boards[forwardMostMove][CHECK_COUNT] || boards[forwardMostMove][CHECK_COUNT] & mask) {
10764 if(!IS_SHOGI(gameInfo.variant)) strcat(parseList[forwardMostMove - 1], "+");
10769 strcat(parseList[forwardMostMove - 1], "#");
10774 /* Updates currentMove if not pausing */
10776 ShowMove (int fromX, int fromY, int toX, int toY)
10778 int instant = (gameMode == PlayFromGameFile) ?
10779 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10780 if(appData.noGUI) return;
10781 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10783 if (forwardMostMove == currentMove + 1) {
10784 AnimateMove(boards[forwardMostMove - 1],
10785 fromX, fromY, toX, toY);
10788 currentMove = forwardMostMove;
10791 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10793 if (instant) return;
10795 DisplayMove(currentMove - 1);
10796 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10797 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10798 SetHighlights(fromX, fromY, toX, toY);
10801 DrawPosition(FALSE, boards[currentMove]);
10802 DisplayBothClocks();
10803 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10807 SendEgtPath (ChessProgramState *cps)
10808 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10809 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10811 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10814 char c, *q = name+1, *r, *s;
10816 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10817 while(*p && *p != ',') *q++ = *p++;
10818 *q++ = ':'; *q = 0;
10819 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10820 strcmp(name, ",nalimov:") == 0 ) {
10821 // take nalimov path from the menu-changeable option first, if it is defined
10822 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10823 SendToProgram(buf,cps); // send egtbpath command for nalimov
10825 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10826 (s = StrStr(appData.egtFormats, name)) != NULL) {
10827 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10828 s = r = StrStr(s, ":") + 1; // beginning of path info
10829 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10830 c = *r; *r = 0; // temporarily null-terminate path info
10831 *--q = 0; // strip of trailig ':' from name
10832 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10834 SendToProgram(buf,cps); // send egtbpath command for this format
10836 if(*p == ',') p++; // read away comma to position for next format name
10841 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10843 int width = 8, height = 8, holdings = 0; // most common sizes
10844 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10845 // correct the deviations default for each variant
10846 if( v == VariantXiangqi ) width = 9, height = 10;
10847 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10848 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10849 if( v == VariantCapablanca || v == VariantCapaRandom ||
10850 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10852 if( v == VariantCourier ) width = 12;
10853 if( v == VariantSuper ) holdings = 8;
10854 if( v == VariantGreat ) width = 10, holdings = 8;
10855 if( v == VariantSChess ) holdings = 7;
10856 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10857 if( v == VariantChuChess) width = 10, height = 10;
10858 if( v == VariantChu ) width = 12, height = 12;
10859 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10860 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10861 holdingsSize >= 0 && holdingsSize != holdings;
10864 char variantError[MSG_SIZ];
10867 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10868 { // returns error message (recognizable by upper-case) if engine does not support the variant
10869 char *p, *variant = VariantName(v);
10870 static char b[MSG_SIZ];
10871 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10872 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10873 holdingsSize, variant); // cook up sized variant name
10874 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10875 if(StrStr(list, b) == NULL) {
10876 // specific sized variant not known, check if general sizing allowed
10877 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10878 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10879 boardWidth, boardHeight, holdingsSize, engine);
10882 /* [HGM] here we really should compare with the maximum supported board size */
10884 } else snprintf(b, MSG_SIZ,"%s", variant);
10885 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10886 p = StrStr(list, b);
10887 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10889 // occurs not at all in list, or only as sub-string
10890 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10891 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10892 int l = strlen(variantError);
10894 while(p != list && p[-1] != ',') p--;
10895 q = strchr(p, ',');
10896 if(q) *q = NULLCHAR;
10897 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10906 InitChessProgram (ChessProgramState *cps, int setup)
10907 /* setup needed to setup FRC opening position */
10909 char buf[MSG_SIZ], *b;
10910 if (appData.noChessProgram) return;
10911 hintRequested = FALSE;
10912 bookRequested = FALSE;
10914 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10915 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10916 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10917 if(cps->memSize) { /* [HGM] memory */
10918 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10919 SendToProgram(buf, cps);
10921 SendEgtPath(cps); /* [HGM] EGT */
10922 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10923 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10924 SendToProgram(buf, cps);
10927 setboardSpoiledMachineBlack = FALSE;
10928 SendToProgram(cps->initString, cps);
10929 if (gameInfo.variant != VariantNormal &&
10930 gameInfo.variant != VariantLoadable
10931 /* [HGM] also send variant if board size non-standard */
10932 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10934 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10935 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10939 char c, *q = cps->variants, *p = strchr(q, ',');
10940 if(p) *p = NULLCHAR;
10941 v = StringToVariant(q);
10942 DisplayError(variantError, 0);
10943 if(v != VariantUnknown && cps == &first) {
10945 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10946 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10947 ASSIGN(appData.variant, q);
10948 Reset(TRUE, FALSE);
10954 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10955 SendToProgram(buf, cps);
10957 currentlyInitializedVariant = gameInfo.variant;
10959 /* [HGM] send opening position in FRC to first engine */
10961 SendToProgram("force\n", cps);
10963 /* engine is now in force mode! Set flag to wake it up after first move. */
10964 setboardSpoiledMachineBlack = 1;
10967 if (cps->sendICS) {
10968 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10969 SendToProgram(buf, cps);
10971 cps->maybeThinking = FALSE;
10972 cps->offeredDraw = 0;
10973 if (!appData.icsActive) {
10974 SendTimeControl(cps, movesPerSession, timeControl,
10975 timeIncrement, appData.searchDepth,
10978 if (appData.showThinking
10979 // [HGM] thinking: four options require thinking output to be sent
10980 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10982 SendToProgram("post\n", cps);
10984 SendToProgram("hard\n", cps);
10985 if (!appData.ponderNextMove) {
10986 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10987 it without being sure what state we are in first. "hard"
10988 is not a toggle, so that one is OK.
10990 SendToProgram("easy\n", cps);
10992 if (cps->usePing) {
10993 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10994 SendToProgram(buf, cps);
10996 cps->initDone = TRUE;
10997 ClearEngineOutputPane(cps == &second);
11002 ResendOptions (ChessProgramState *cps, int toEngine)
11003 { // send the stored value of the options
11005 static char buf2[MSG_SIZ*10];
11006 char buf[MSG_SIZ], *p = buf2;
11007 Option *opt = cps->option;
11009 for(i=0; i<cps->nrOptions; i++, opt++) {
11011 switch(opt->type) {
11015 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
11016 snprintf(buf, MSG_SIZ, "%s=%d", opt->name, opt->value);
11019 if(opt->value != *(int*) (opt->name + MSG_SIZ - 104))
11020 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->choice[opt->value]);
11023 if(strcmp(opt->textValue, opt->name + MSG_SIZ - 100))
11024 snprintf(buf, MSG_SIZ, "%s=%s", opt->name, opt->textValue);
11032 snprintf(buf2, MSG_SIZ, "option %s\n", buf);
11033 SendToProgram(buf2, cps);
11035 if(p != buf2) *p++ = ',';
11036 strncpy(p, buf, 10*MSG_SIZ-1 - (p - buf2));
11045 StartChessProgram (ChessProgramState *cps)
11050 if (appData.noChessProgram) return;
11051 cps->initDone = FALSE;
11053 if (strcmp(cps->host, "localhost") == 0) {
11054 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
11055 } else if (*appData.remoteShell == NULLCHAR) {
11056 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
11058 if (*appData.remoteUser == NULLCHAR) {
11059 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
11062 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
11063 cps->host, appData.remoteUser, cps->program);
11065 err = StartChildProcess(buf, "", &cps->pr);
11069 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
11070 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
11071 if(cps != &first) return;
11072 appData.noChessProgram = TRUE;
11075 // DisplayFatalError(buf, err, 1);
11076 // cps->pr = NoProc;
11077 // cps->isr = NULL;
11081 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
11082 if (cps->protocolVersion > 1) {
11083 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
11084 if(!cps->reload) { // do not clear options when reloading because of -xreuse
11085 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
11086 cps->comboCnt = 0; // and values of combo boxes
11088 SendToProgram(buf, cps);
11089 if(cps->reload) ResendOptions(cps, TRUE);
11091 SendToProgram("xboard\n", cps);
11096 TwoMachinesEventIfReady P((void))
11098 static int curMess = 0;
11099 if (first.lastPing != first.lastPong) {
11100 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
11101 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11104 if (second.lastPing != second.lastPong) {
11105 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
11106 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
11109 DisplayMessage("", ""); curMess = 0;
11110 TwoMachinesEvent();
11114 MakeName (char *template)
11118 static char buf[MSG_SIZ];
11122 clock = time((time_t *)NULL);
11123 tm = localtime(&clock);
11125 while(*p++ = *template++) if(p[-1] == '%') {
11126 switch(*template++) {
11127 case 0: *p = 0; return buf;
11128 case 'Y': i = tm->tm_year+1900; break;
11129 case 'y': i = tm->tm_year-100; break;
11130 case 'M': i = tm->tm_mon+1; break;
11131 case 'd': i = tm->tm_mday; break;
11132 case 'h': i = tm->tm_hour; break;
11133 case 'm': i = tm->tm_min; break;
11134 case 's': i = tm->tm_sec; break;
11137 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
11143 CountPlayers (char *p)
11146 while(p = strchr(p, '\n')) p++, n++; // count participants
11151 WriteTourneyFile (char *results, FILE *f)
11152 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
11153 if(f == NULL) f = fopen(appData.tourneyFile, "w");
11154 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
11155 // create a file with tournament description
11156 fprintf(f, "-participants {%s}\n", appData.participants);
11157 fprintf(f, "-seedBase %d\n", appData.seedBase);
11158 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
11159 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
11160 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
11161 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
11162 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
11163 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
11164 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
11165 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
11166 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
11167 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
11168 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
11169 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
11170 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
11171 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
11172 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
11173 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
11174 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11175 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11176 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11177 fprintf(f, "-smpCores %d\n", appData.smpCores);
11179 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11181 fprintf(f, "-mps %d\n", appData.movesPerSession);
11182 fprintf(f, "-tc %s\n", appData.timeControl);
11183 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11185 fprintf(f, "-results \"%s\"\n", results);
11190 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11193 Substitute (char *participants, int expunge)
11195 int i, changed, changes=0, nPlayers=0;
11196 char *p, *q, *r, buf[MSG_SIZ];
11197 if(participants == NULL) return;
11198 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11199 r = p = participants; q = appData.participants;
11200 while(*p && *p == *q) {
11201 if(*p == '\n') r = p+1, nPlayers++;
11204 if(*p) { // difference
11205 while(*p && *p++ != '\n')
11207 while(*q && *q++ != '\n')
11209 changed = nPlayers;
11210 changes = 1 + (strcmp(p, q) != 0);
11212 if(changes == 1) { // a single engine mnemonic was changed
11213 q = r; while(*q) nPlayers += (*q++ == '\n');
11214 p = buf; while(*r && (*p = *r++) != '\n') p++;
11216 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11217 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11218 if(mnemonic[i]) { // The substitute is valid
11220 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11221 flock(fileno(f), LOCK_EX);
11222 ParseArgsFromFile(f);
11223 fseek(f, 0, SEEK_SET);
11224 FREE(appData.participants); appData.participants = participants;
11225 if(expunge) { // erase results of replaced engine
11226 int len = strlen(appData.results), w, b, dummy;
11227 for(i=0; i<len; i++) {
11228 Pairing(i, nPlayers, &w, &b, &dummy);
11229 if((w == changed || b == changed) && appData.results[i] == '*') {
11230 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11235 for(i=0; i<len; i++) {
11236 Pairing(i, nPlayers, &w, &b, &dummy);
11237 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11240 WriteTourneyFile(appData.results, f);
11241 fclose(f); // release lock
11244 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11246 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11247 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11248 free(participants);
11253 CheckPlayers (char *participants)
11256 char buf[MSG_SIZ], *p;
11257 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11258 while(p = strchr(participants, '\n')) {
11260 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11262 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11264 DisplayError(buf, 0);
11268 participants = p + 1;
11274 CreateTourney (char *name)
11277 if(matchMode && strcmp(name, appData.tourneyFile)) {
11278 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11280 if(name[0] == NULLCHAR) {
11281 if(appData.participants[0])
11282 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11285 f = fopen(name, "r");
11286 if(f) { // file exists
11287 ASSIGN(appData.tourneyFile, name);
11288 ParseArgsFromFile(f); // parse it
11290 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11291 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11292 DisplayError(_("Not enough participants"), 0);
11295 if(CheckPlayers(appData.participants)) return 0;
11296 ASSIGN(appData.tourneyFile, name);
11297 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11298 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11301 appData.noChessProgram = FALSE;
11302 appData.clockMode = TRUE;
11308 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11310 char buf[2*MSG_SIZ], *p, *q;
11311 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11312 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11313 skip = !all && group[0]; // if group requested, we start in skip mode
11314 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11315 p = names; q = buf; header = 0;
11316 while(*p && *p != '\n') *q++ = *p++;
11318 if(*p == '\n') p++;
11319 if(buf[0] == '#') {
11320 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11321 depth++; // we must be entering a new group
11322 if(all) continue; // suppress printing group headers when complete list requested
11324 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11326 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11327 if(engineList[i]) free(engineList[i]);
11328 engineList[i] = strdup(buf);
11329 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11330 if(engineMnemonic[i]) free(engineMnemonic[i]);
11331 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11333 sscanf(q + 8, "%s", buf + strlen(buf));
11336 engineMnemonic[i] = strdup(buf);
11339 engineList[i] = engineMnemonic[i] = NULL;
11344 SaveEngineSettings (int n)
11346 int len; char *p, *q, *s, buf[MSG_SIZ], *optionSettings;
11347 if(!currentEngine[n] || !currentEngine[n][0]) { DisplayMessage("saving failed: engine not from list", ""); return; } // no engine from list is loaded
11348 p = strstr(firstChessProgramNames, currentEngine[n]);
11349 if(!p) { DisplayMessage("saving failed: engine not found in list", ""); return; } // sanity check; engine could be deleted from list after loading
11350 optionSettings = ResendOptions(n ? &second : &first, FALSE);
11351 len = strlen(currentEngine[n]);
11352 q = p + len; *p = 0; // cut list into head and tail piece
11353 s = strstr(currentEngine[n], "firstOptions");
11354 if(s && (s[-1] == '-' || s[-1] == '/') && (s[12] == ' ' || s[12] == '=') && (s[13] == '"' || s[13] == '\'')) {
11356 while(*r && *r != s[13]) r++;
11357 s[14] = 0; // cut currentEngine into head and tail part, removing old settings
11358 snprintf(buf, MSG_SIZ, "%s%s%s", currentEngine[n], optionSettings, *r ? r : "\""); // synthesize new engine line
11359 } else if(*optionSettings) {
11360 snprintf(buf, MSG_SIZ, "%s -firstOptions \"%s\"", currentEngine[n], optionSettings);
11362 ASSIGN(currentEngine[n], buf); // updated engine line
11363 len = p - firstChessProgramNames + strlen(q) + strlen(currentEngine[n]) + 1;
11365 snprintf(s, len, "%s%s%s", firstChessProgramNames, currentEngine[n], q);
11366 FREE(firstChessProgramNames); firstChessProgramNames = s; // new list
11369 // following implemented as macro to avoid type limitations
11370 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11373 SwapEngines (int n)
11374 { // swap settings for first engine and other engine (so far only some selected options)
11379 SWAP(chessProgram, p)
11381 SWAP(hasOwnBookUCI, h)
11382 SWAP(protocolVersion, h)
11384 SWAP(scoreIsAbsolute, h)
11389 SWAP(engOptions, p)
11390 SWAP(engInitString, p)
11391 SWAP(computerString, p)
11393 SWAP(fenOverride, p)
11395 SWAP(accumulateTC, h)
11402 GetEngineLine (char *s, int n)
11406 extern char *icsNames;
11407 if(!s || !*s) return 0;
11408 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11409 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11410 if(!mnemonic[i]) return 0;
11411 if(n == 11) return 1; // just testing if there was a match
11412 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11413 if(n == 1) SwapEngines(n);
11414 ParseArgsFromString(buf);
11415 if(n == 1) SwapEngines(n);
11416 if(n < 2) { ASSIGN(currentEngine[n], command[i]); }
11417 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11418 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11419 ParseArgsFromString(buf);
11425 SetPlayer (int player, char *p)
11426 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11428 char buf[MSG_SIZ], *engineName;
11429 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11430 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11431 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11433 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11434 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11435 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11436 ParseArgsFromString(buf);
11437 } else { // no engine with this nickname is installed!
11438 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11439 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11440 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11442 DisplayError(buf, 0);
11449 char *recentEngines;
11452 RecentEngineEvent (int nr)
11455 // SwapEngines(1); // bump first to second
11456 // ReplaceEngine(&second, 1); // and load it there
11457 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11458 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11459 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11460 ReplaceEngine(&first, 0);
11461 FloatToFront(&appData.recentEngineList, command[n]);
11462 ASSIGN(currentEngine[0], command[n]);
11467 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11468 { // determine players from game number
11469 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11471 if(appData.tourneyType == 0) {
11472 roundsPerCycle = (nPlayers - 1) | 1;
11473 pairingsPerRound = nPlayers / 2;
11474 } else if(appData.tourneyType > 0) {
11475 roundsPerCycle = nPlayers - appData.tourneyType;
11476 pairingsPerRound = appData.tourneyType;
11478 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11479 gamesPerCycle = gamesPerRound * roundsPerCycle;
11480 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11481 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11482 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11483 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11484 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11485 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11487 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11488 if(appData.roundSync) *syncInterval = gamesPerRound;
11490 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11492 if(appData.tourneyType == 0) {
11493 if(curPairing == (nPlayers-1)/2 ) {
11494 *whitePlayer = curRound;
11495 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11497 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11498 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11499 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11500 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11502 } else if(appData.tourneyType > 1) {
11503 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11504 *whitePlayer = curRound + appData.tourneyType;
11505 } else if(appData.tourneyType > 0) {
11506 *whitePlayer = curPairing;
11507 *blackPlayer = curRound + appData.tourneyType;
11510 // take care of white/black alternation per round.
11511 // For cycles and games this is already taken care of by default, derived from matchGame!
11512 return curRound & 1;
11516 NextTourneyGame (int nr, int *swapColors)
11517 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11519 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11521 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11522 tf = fopen(appData.tourneyFile, "r");
11523 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11524 ParseArgsFromFile(tf); fclose(tf);
11525 InitTimeControls(); // TC might be altered from tourney file
11527 nPlayers = CountPlayers(appData.participants); // count participants
11528 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11529 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11532 p = q = appData.results;
11533 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11534 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11535 DisplayMessage(_("Waiting for other game(s)"),"");
11536 waitingForGame = TRUE;
11537 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11540 waitingForGame = FALSE;
11543 if(appData.tourneyType < 0) {
11544 if(nr>=0 && !pairingReceived) {
11546 if(pairing.pr == NoProc) {
11547 if(!appData.pairingEngine[0]) {
11548 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11551 StartChessProgram(&pairing); // starts the pairing engine
11553 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11554 SendToProgram(buf, &pairing);
11555 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11556 SendToProgram(buf, &pairing);
11557 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11559 pairingReceived = 0; // ... so we continue here
11561 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11562 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11563 matchGame = 1; roundNr = nr / syncInterval + 1;
11566 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11568 // redefine engines, engine dir, etc.
11569 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11570 if(first.pr == NoProc) {
11571 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11572 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11574 if(second.pr == NoProc) {
11576 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11577 SwapEngines(1); // and make that valid for second engine by swapping
11578 InitEngine(&second, 1);
11580 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11581 UpdateLogos(FALSE); // leave display to ModeHiglight()
11587 { // performs game initialization that does not invoke engines, and then tries to start the game
11588 int res, firstWhite, swapColors = 0;
11589 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11590 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
11592 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11593 if(strcmp(buf, currentDebugFile)) { // name has changed
11594 FILE *f = fopen(buf, "w");
11595 if(f) { // if opening the new file failed, just keep using the old one
11596 ASSIGN(currentDebugFile, buf);
11600 if(appData.serverFileName) {
11601 if(serverFP) fclose(serverFP);
11602 serverFP = fopen(appData.serverFileName, "w");
11603 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11604 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11608 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11609 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11610 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11611 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11612 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11613 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11614 Reset(FALSE, first.pr != NoProc);
11615 res = LoadGameOrPosition(matchGame); // setup game
11616 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11617 if(!res) return; // abort when bad game/pos file
11618 if(appData.epd) {// in EPD mode we make sure first engine is to move
11619 firstWhite = !(forwardMostMove & 1);
11620 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11621 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11623 TwoMachinesEvent();
11627 UserAdjudicationEvent (int result)
11629 ChessMove gameResult = GameIsDrawn;
11632 gameResult = WhiteWins;
11634 else if( result < 0 ) {
11635 gameResult = BlackWins;
11638 if( gameMode == TwoMachinesPlay ) {
11639 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11644 // [HGM] save: calculate checksum of game to make games easily identifiable
11646 StringCheckSum (char *s)
11649 if(s==NULL) return 0;
11650 while(*s) i = i*259 + *s++;
11658 for(i=backwardMostMove; i<forwardMostMove; i++) {
11659 sum += pvInfoList[i].depth;
11660 sum += StringCheckSum(parseList[i]);
11661 sum += StringCheckSum(commentList[i]);
11664 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11665 return sum + StringCheckSum(commentList[i]);
11666 } // end of save patch
11669 GameEnds (ChessMove result, char *resultDetails, int whosays)
11671 GameMode nextGameMode;
11673 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11675 if(endingGame) return; /* [HGM] crash: forbid recursion */
11677 if(twoBoards) { // [HGM] dual: switch back to one board
11678 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11679 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11681 if (appData.debugMode) {
11682 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11683 result, resultDetails ? resultDetails : "(null)", whosays);
11686 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11688 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11690 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11691 /* If we are playing on ICS, the server decides when the
11692 game is over, but the engine can offer to draw, claim
11696 if (appData.zippyPlay && first.initDone) {
11697 if (result == GameIsDrawn) {
11698 /* In case draw still needs to be claimed */
11699 SendToICS(ics_prefix);
11700 SendToICS("draw\n");
11701 } else if (StrCaseStr(resultDetails, "resign")) {
11702 SendToICS(ics_prefix);
11703 SendToICS("resign\n");
11707 endingGame = 0; /* [HGM] crash */
11711 /* If we're loading the game from a file, stop */
11712 if (whosays == GE_FILE) {
11713 (void) StopLoadGameTimer();
11717 /* Cancel draw offers */
11718 first.offeredDraw = second.offeredDraw = 0;
11720 /* If this is an ICS game, only ICS can really say it's done;
11721 if not, anyone can. */
11722 isIcsGame = (gameMode == IcsPlayingWhite ||
11723 gameMode == IcsPlayingBlack ||
11724 gameMode == IcsObserving ||
11725 gameMode == IcsExamining);
11727 if (!isIcsGame || whosays == GE_ICS) {
11728 /* OK -- not an ICS game, or ICS said it was done */
11730 if (!isIcsGame && !appData.noChessProgram)
11731 SetUserThinkingEnables();
11733 /* [HGM] if a machine claims the game end we verify this claim */
11734 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11735 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11737 ChessMove trueResult = (ChessMove) -1;
11739 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11740 first.twoMachinesColor[0] :
11741 second.twoMachinesColor[0] ;
11743 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11744 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11745 /* [HGM] verify: engine mate claims accepted if they were flagged */
11746 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11748 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11749 /* [HGM] verify: engine mate claims accepted if they were flagged */
11750 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11752 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11753 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11756 // now verify win claims, but not in drop games, as we don't understand those yet
11757 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11758 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11759 (result == WhiteWins && claimer == 'w' ||
11760 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11761 if (appData.debugMode) {
11762 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11763 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11765 if(result != trueResult) {
11766 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11767 result = claimer == 'w' ? BlackWins : WhiteWins;
11768 resultDetails = buf;
11771 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11772 && (forwardMostMove <= backwardMostMove ||
11773 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11774 (claimer=='b')==(forwardMostMove&1))
11776 /* [HGM] verify: draws that were not flagged are false claims */
11777 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11778 result = claimer == 'w' ? BlackWins : WhiteWins;
11779 resultDetails = buf;
11781 /* (Claiming a loss is accepted no questions asked!) */
11782 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11783 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11784 result = GameUnfinished;
11785 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11787 /* [HGM] bare: don't allow bare King to win */
11788 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11789 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11790 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11791 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11792 && result != GameIsDrawn)
11793 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11794 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11795 int p = (int)boards[forwardMostMove][i][j] - color;
11796 if(p >= 0 && p <= (int)WhiteKing) k++;
11797 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11799 if (appData.debugMode) {
11800 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11801 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11803 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11804 result = GameIsDrawn;
11805 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11806 resultDetails = buf;
11812 if(serverMoves != NULL && !loadFlag) { char c = '=';
11813 if(result==WhiteWins) c = '+';
11814 if(result==BlackWins) c = '-';
11815 if(resultDetails != NULL)
11816 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11818 if (resultDetails != NULL) {
11819 gameInfo.result = result;
11820 gameInfo.resultDetails = StrSave(resultDetails);
11822 /* display last move only if game was not loaded from file */
11823 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11824 DisplayMove(currentMove - 1);
11826 if (forwardMostMove != 0) {
11827 if (gameMode != PlayFromGameFile && gameMode != EditGame
11828 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11830 if (*appData.saveGameFile != NULLCHAR) {
11831 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11832 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11834 SaveGameToFile(appData.saveGameFile, TRUE);
11835 } else if (appData.autoSaveGames) {
11836 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11838 if (*appData.savePositionFile != NULLCHAR) {
11839 SavePositionToFile(appData.savePositionFile);
11841 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11845 /* Tell program how game ended in case it is learning */
11846 /* [HGM] Moved this to after saving the PGN, just in case */
11847 /* engine died and we got here through time loss. In that */
11848 /* case we will get a fatal error writing the pipe, which */
11849 /* would otherwise lose us the PGN. */
11850 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11851 /* output during GameEnds should never be fatal anymore */
11852 if (gameMode == MachinePlaysWhite ||
11853 gameMode == MachinePlaysBlack ||
11854 gameMode == TwoMachinesPlay ||
11855 gameMode == IcsPlayingWhite ||
11856 gameMode == IcsPlayingBlack ||
11857 gameMode == BeginningOfGame) {
11859 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11861 if (first.pr != NoProc) {
11862 SendToProgram(buf, &first);
11864 if (second.pr != NoProc &&
11865 gameMode == TwoMachinesPlay) {
11866 SendToProgram(buf, &second);
11871 if (appData.icsActive) {
11872 if (appData.quietPlay &&
11873 (gameMode == IcsPlayingWhite ||
11874 gameMode == IcsPlayingBlack)) {
11875 SendToICS(ics_prefix);
11876 SendToICS("set shout 1\n");
11878 nextGameMode = IcsIdle;
11879 ics_user_moved = FALSE;
11880 /* clean up premove. It's ugly when the game has ended and the
11881 * premove highlights are still on the board.
11884 gotPremove = FALSE;
11885 ClearPremoveHighlights();
11886 DrawPosition(FALSE, boards[currentMove]);
11888 if (whosays == GE_ICS) {
11891 if (gameMode == IcsPlayingWhite)
11893 else if(gameMode == IcsPlayingBlack)
11894 PlayIcsLossSound();
11897 if (gameMode == IcsPlayingBlack)
11899 else if(gameMode == IcsPlayingWhite)
11900 PlayIcsLossSound();
11903 PlayIcsDrawSound();
11906 PlayIcsUnfinishedSound();
11909 if(appData.quitNext) { ExitEvent(0); return; }
11910 } else if (gameMode == EditGame ||
11911 gameMode == PlayFromGameFile ||
11912 gameMode == AnalyzeMode ||
11913 gameMode == AnalyzeFile) {
11914 nextGameMode = gameMode;
11916 nextGameMode = EndOfGame;
11921 nextGameMode = gameMode;
11924 if (appData.noChessProgram) {
11925 gameMode = nextGameMode;
11927 endingGame = 0; /* [HGM] crash */
11932 /* Put first chess program into idle state */
11933 if (first.pr != NoProc &&
11934 (gameMode == MachinePlaysWhite ||
11935 gameMode == MachinePlaysBlack ||
11936 gameMode == TwoMachinesPlay ||
11937 gameMode == IcsPlayingWhite ||
11938 gameMode == IcsPlayingBlack ||
11939 gameMode == BeginningOfGame)) {
11940 SendToProgram("force\n", &first);
11941 if (first.usePing) {
11943 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11944 SendToProgram(buf, &first);
11947 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11948 /* Kill off first chess program */
11949 if (first.isr != NULL)
11950 RemoveInputSource(first.isr);
11953 if (first.pr != NoProc) {
11955 DoSleep( appData.delayBeforeQuit );
11956 SendToProgram("quit\n", &first);
11957 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11958 first.reload = TRUE;
11962 if (second.reuse) {
11963 /* Put second chess program into idle state */
11964 if (second.pr != NoProc &&
11965 gameMode == TwoMachinesPlay) {
11966 SendToProgram("force\n", &second);
11967 if (second.usePing) {
11969 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11970 SendToProgram(buf, &second);
11973 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11974 /* Kill off second chess program */
11975 if (second.isr != NULL)
11976 RemoveInputSource(second.isr);
11979 if (second.pr != NoProc) {
11980 DoSleep( appData.delayBeforeQuit );
11981 SendToProgram("quit\n", &second);
11982 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11983 second.reload = TRUE;
11985 second.pr = NoProc;
11988 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11989 char resChar = '=';
11993 if (first.twoMachinesColor[0] == 'w') {
11996 second.matchWins++;
12001 if (first.twoMachinesColor[0] == 'b') {
12004 second.matchWins++;
12007 case GameUnfinished:
12013 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
12014 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
12015 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
12016 ReserveGame(nextGame, resChar); // sets nextGame
12017 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
12018 else ranking = strdup("busy"); //suppress popup when aborted but not finished
12019 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
12021 if (nextGame <= appData.matchGames && !abortMatch) {
12022 gameMode = nextGameMode;
12023 matchGame = nextGame; // this will be overruled in tourney mode!
12024 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
12025 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
12026 endingGame = 0; /* [HGM] crash */
12029 gameMode = nextGameMode;
12031 snprintf(buf, MSG_SIZ, "-------------------------------------- ");
12032 OutputKibitz(2, buf);
12033 snprintf(buf, MSG_SIZ, _("Average solving time %4.2f sec (total time %4.2f sec) "), totalTime/(100.*first.matchWins), totalTime/100.);
12034 OutputKibitz(2, buf);
12035 snprintf(buf, MSG_SIZ, _("%d avoid-moves played "), second.matchWins);
12036 if(second.matchWins) OutputKibitz(2, buf);
12037 snprintf(buf, MSG_SIZ, _("Solved %d out of %d (%3.1f%%) "), first.matchWins, nextGame-1, first.matchWins*100./(nextGame-1));
12038 OutputKibitz(2, buf);
12040 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
12041 first.tidy, second.tidy,
12042 first.matchWins, second.matchWins,
12043 appData.matchGames - (first.matchWins + second.matchWins));
12044 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
12045 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
12046 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
12047 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
12048 first.twoMachinesColor = "black\n";
12049 second.twoMachinesColor = "white\n";
12051 first.twoMachinesColor = "white\n";
12052 second.twoMachinesColor = "black\n";
12056 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
12057 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
12059 gameMode = nextGameMode;
12061 endingGame = 0; /* [HGM] crash */
12062 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
12063 if(matchMode == TRUE) { // match through command line: exit with or without popup
12065 ToNrEvent(forwardMostMove);
12066 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
12068 } else DisplayFatalError(buf, 0, 0);
12069 } else { // match through menu; just stop, with or without popup
12070 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
12073 if(strcmp(ranking, "busy")) DisplayNote(ranking);
12074 } else DisplayNote(buf);
12076 if(ranking) free(ranking);
12080 /* Assumes program was just initialized (initString sent).
12081 Leaves program in force mode. */
12083 FeedMovesToProgram (ChessProgramState *cps, int upto)
12087 if (appData.debugMode)
12088 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
12089 startedFromSetupPosition ? "position and " : "",
12090 backwardMostMove, upto, cps->which);
12091 if(currentlyInitializedVariant != gameInfo.variant) {
12093 // [HGM] variantswitch: make engine aware of new variant
12094 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
12095 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
12096 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
12097 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
12098 SendToProgram(buf, cps);
12099 currentlyInitializedVariant = gameInfo.variant;
12101 SendToProgram("force\n", cps);
12102 if (startedFromSetupPosition) {
12103 SendBoard(cps, backwardMostMove);
12104 if (appData.debugMode) {
12105 fprintf(debugFP, "feedMoves\n");
12108 for (i = backwardMostMove; i < upto; i++) {
12109 SendMoveToProgram(i, cps);
12115 ResurrectChessProgram ()
12117 /* The chess program may have exited.
12118 If so, restart it and feed it all the moves made so far. */
12119 static int doInit = 0;
12121 if (appData.noChessProgram) return 1;
12123 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
12124 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
12125 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
12126 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
12128 if (first.pr != NoProc) return 1;
12129 StartChessProgram(&first);
12131 InitChessProgram(&first, FALSE);
12132 FeedMovesToProgram(&first, currentMove);
12134 if (!first.sendTime) {
12135 /* can't tell gnuchess what its clock should read,
12136 so we bow to its notion. */
12138 timeRemaining[0][currentMove] = whiteTimeRemaining;
12139 timeRemaining[1][currentMove] = blackTimeRemaining;
12142 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
12143 appData.icsEngineAnalyze) && first.analysisSupport) {
12144 SendToProgram("analyze\n", &first);
12145 first.analyzing = TRUE;
12151 * Button procedures
12154 Reset (int redraw, int init)
12158 if (appData.debugMode) {
12159 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
12160 redraw, init, gameMode);
12162 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
12163 deadRanks = 0; // assume entire board is used
12165 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
12166 CleanupTail(); // [HGM] vari: delete any stored variations
12167 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
12168 pausing = pauseExamInvalid = FALSE;
12169 startedFromSetupPosition = blackPlaysFirst = FALSE;
12171 whiteFlag = blackFlag = FALSE;
12172 userOfferedDraw = FALSE;
12173 hintRequested = bookRequested = FALSE;
12174 first.maybeThinking = FALSE;
12175 second.maybeThinking = FALSE;
12176 first.bookSuspend = FALSE; // [HGM] book
12177 second.bookSuspend = FALSE;
12178 thinkOutput[0] = NULLCHAR;
12179 lastHint[0] = NULLCHAR;
12180 ClearGameInfo(&gameInfo);
12181 gameInfo.variant = StringToVariant(appData.variant);
12182 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) {
12183 gameInfo.variant = VariantUnknown;
12184 strncpy(engineVariant, appData.variant, MSG_SIZ);
12186 ics_user_moved = ics_clock_paused = FALSE;
12187 ics_getting_history = H_FALSE;
12189 white_holding[0] = black_holding[0] = NULLCHAR;
12190 ClearProgramStats();
12191 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
12195 flipView = appData.flipView;
12196 ClearPremoveHighlights();
12197 gotPremove = FALSE;
12198 alarmSounded = FALSE;
12199 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
12201 GameEnds(EndOfFile, NULL, GE_PLAYER);
12202 if(appData.serverMovesName != NULL) {
12203 /* [HGM] prepare to make moves file for broadcasting */
12204 clock_t t = clock();
12205 if(serverMoves != NULL) fclose(serverMoves);
12206 serverMoves = fopen(appData.serverMovesName, "r");
12207 if(serverMoves != NULL) {
12208 fclose(serverMoves);
12209 /* delay 15 sec before overwriting, so all clients can see end */
12210 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
12212 serverMoves = fopen(appData.serverMovesName, "w");
12216 gameMode = BeginningOfGame;
12218 if(appData.icsActive) gameInfo.variant = VariantNormal;
12219 currentMove = forwardMostMove = backwardMostMove = 0;
12220 MarkTargetSquares(1);
12221 InitPosition(redraw);
12222 for (i = 0; i < MAX_MOVES; i++) {
12223 if (commentList[i] != NULL) {
12224 free(commentList[i]);
12225 commentList[i] = NULL;
12229 timeRemaining[0][0] = whiteTimeRemaining;
12230 timeRemaining[1][0] = blackTimeRemaining;
12232 if (first.pr == NoProc) {
12233 StartChessProgram(&first);
12236 InitChessProgram(&first, startedFromSetupPosition);
12239 DisplayMessage("", "");
12240 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12241 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12242 ClearMap(); // [HGM] exclude: invalidate map
12246 AutoPlayGameLoop ()
12249 if (!AutoPlayOneMove())
12251 if (matchMode || appData.timeDelay == 0)
12253 if (appData.timeDelay < 0)
12255 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12263 ReloadGame(1); // next game
12269 int fromX, fromY, toX, toY;
12271 if (appData.debugMode) {
12272 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12275 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12278 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12279 pvInfoList[currentMove].depth = programStats.depth;
12280 pvInfoList[currentMove].score = programStats.score;
12281 pvInfoList[currentMove].time = 0;
12282 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12283 else { // append analysis of final position as comment
12285 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12286 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12288 programStats.depth = 0;
12291 if (currentMove >= forwardMostMove) {
12292 if(gameMode == AnalyzeFile) {
12293 if(appData.loadGameIndex == -1) {
12294 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12295 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12297 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12300 // gameMode = EndOfGame;
12301 // ModeHighlight();
12303 /* [AS] Clear current move marker at the end of a game */
12304 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12309 toX = moveList[currentMove][2] - AAA;
12310 toY = moveList[currentMove][3] - ONE;
12312 if (moveList[currentMove][1] == '@') {
12313 if (appData.highlightLastMove) {
12314 SetHighlights(-1, -1, toX, toY);
12317 fromX = moveList[currentMove][0] - AAA;
12318 fromY = moveList[currentMove][1] - ONE;
12320 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12322 if(moveList[currentMove][4] == ';') { // multi-leg
12323 killX = moveList[currentMove][5] - AAA;
12324 killY = moveList[currentMove][6] - ONE;
12326 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12327 killX = killY = -1;
12329 if (appData.highlightLastMove) {
12330 SetHighlights(fromX, fromY, toX, toY);
12333 DisplayMove(currentMove);
12334 SendMoveToProgram(currentMove++, &first);
12335 DisplayBothClocks();
12336 DrawPosition(FALSE, boards[currentMove]);
12337 // [HGM] PV info: always display, routine tests if empty
12338 DisplayComment(currentMove - 1, commentList[currentMove]);
12344 LoadGameOneMove (ChessMove readAhead)
12346 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12347 char promoChar = NULLCHAR;
12348 ChessMove moveType;
12349 char move[MSG_SIZ];
12352 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12353 gameMode != AnalyzeMode && gameMode != Training) {
12358 yyboardindex = forwardMostMove;
12359 if (readAhead != EndOfFile) {
12360 moveType = readAhead;
12362 if (gameFileFP == NULL)
12364 moveType = (ChessMove) Myylex();
12368 switch (moveType) {
12370 if (appData.debugMode)
12371 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12374 /* append the comment but don't display it */
12375 AppendComment(currentMove, p, FALSE);
12378 case WhiteCapturesEnPassant:
12379 case BlackCapturesEnPassant:
12380 case WhitePromotion:
12381 case BlackPromotion:
12382 case WhiteNonPromotion:
12383 case BlackNonPromotion:
12386 case WhiteKingSideCastle:
12387 case WhiteQueenSideCastle:
12388 case BlackKingSideCastle:
12389 case BlackQueenSideCastle:
12390 case WhiteKingSideCastleWild:
12391 case WhiteQueenSideCastleWild:
12392 case BlackKingSideCastleWild:
12393 case BlackQueenSideCastleWild:
12395 case WhiteHSideCastleFR:
12396 case WhiteASideCastleFR:
12397 case BlackHSideCastleFR:
12398 case BlackASideCastleFR:
12400 if (appData.debugMode)
12401 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12402 fromX = currentMoveString[0] - AAA;
12403 fromY = currentMoveString[1] - ONE;
12404 toX = currentMoveString[2] - AAA;
12405 toY = currentMoveString[3] - ONE;
12406 promoChar = currentMoveString[4];
12407 if(promoChar == ';') promoChar = currentMoveString[7];
12412 if (appData.debugMode)
12413 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12414 fromX = moveType == WhiteDrop ?
12415 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12416 (int) CharToPiece(ToLower(currentMoveString[0]));
12418 toX = currentMoveString[2] - AAA;
12419 toY = currentMoveString[3] - ONE;
12425 case GameUnfinished:
12426 if (appData.debugMode)
12427 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12428 p = strchr(yy_text, '{');
12429 if (p == NULL) p = strchr(yy_text, '(');
12432 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12434 q = strchr(p, *p == '{' ? '}' : ')');
12435 if (q != NULL) *q = NULLCHAR;
12438 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12439 GameEnds(moveType, p, GE_FILE);
12441 if (cmailMsgLoaded) {
12443 flipView = WhiteOnMove(currentMove);
12444 if (moveType == GameUnfinished) flipView = !flipView;
12445 if (appData.debugMode)
12446 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12451 if (appData.debugMode)
12452 fprintf(debugFP, "Parser hit end of file\n");
12453 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12459 if (WhiteOnMove(currentMove)) {
12460 GameEnds(BlackWins, "Black mates", GE_FILE);
12462 GameEnds(WhiteWins, "White mates", GE_FILE);
12466 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12472 case MoveNumberOne:
12473 if (lastLoadGameStart == GNUChessGame) {
12474 /* GNUChessGames have numbers, but they aren't move numbers */
12475 if (appData.debugMode)
12476 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12477 yy_text, (int) moveType);
12478 return LoadGameOneMove(EndOfFile); /* tail recursion */
12480 /* else fall thru */
12485 /* Reached start of next game in file */
12486 if (appData.debugMode)
12487 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12488 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12494 if (WhiteOnMove(currentMove)) {
12495 GameEnds(BlackWins, "Black mates", GE_FILE);
12497 GameEnds(WhiteWins, "White mates", GE_FILE);
12501 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12507 case PositionDiagram: /* should not happen; ignore */
12508 case ElapsedTime: /* ignore */
12509 case NAG: /* ignore */
12510 if (appData.debugMode)
12511 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12512 yy_text, (int) moveType);
12513 return LoadGameOneMove(EndOfFile); /* tail recursion */
12516 if (appData.testLegality) {
12517 if (appData.debugMode)
12518 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12519 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12520 (forwardMostMove / 2) + 1,
12521 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12522 DisplayError(move, 0);
12525 if (appData.debugMode)
12526 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12527 yy_text, currentMoveString);
12528 if(currentMoveString[1] == '@') {
12529 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12532 fromX = currentMoveString[0] - AAA;
12533 fromY = currentMoveString[1] - ONE;
12535 toX = currentMoveString[2] - AAA;
12536 toY = currentMoveString[3] - ONE;
12537 promoChar = currentMoveString[4];
12541 case AmbiguousMove:
12542 if (appData.debugMode)
12543 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12544 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12545 (forwardMostMove / 2) + 1,
12546 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12547 DisplayError(move, 0);
12552 case ImpossibleMove:
12553 if (appData.debugMode)
12554 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12555 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12556 (forwardMostMove / 2) + 1,
12557 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12558 DisplayError(move, 0);
12564 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12565 DrawPosition(FALSE, boards[currentMove]);
12566 DisplayBothClocks();
12567 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12568 DisplayComment(currentMove - 1, commentList[currentMove]);
12570 (void) StopLoadGameTimer();
12572 cmailOldMove = forwardMostMove;
12575 /* currentMoveString is set as a side-effect of yylex */
12577 thinkOutput[0] = NULLCHAR;
12578 MakeMove(fromX, fromY, toX, toY, promoChar);
12579 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12580 currentMove = forwardMostMove;
12585 /* Load the nth game from the given file */
12587 LoadGameFromFile (char *filename, int n, char *title, int useList)
12592 if (strcmp(filename, "-") == 0) {
12596 f = fopen(filename, "rb");
12598 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12599 DisplayError(buf, errno);
12603 if (fseek(f, 0, 0) == -1) {
12604 /* f is not seekable; probably a pipe */
12607 if (useList && n == 0) {
12608 int error = GameListBuild(f);
12610 DisplayError(_("Cannot build game list"), error);
12611 } else if (!ListEmpty(&gameList) &&
12612 ((ListGame *) gameList.tailPred)->number > 1) {
12613 GameListPopUp(f, title);
12620 return LoadGame(f, n, title, FALSE);
12625 MakeRegisteredMove ()
12627 int fromX, fromY, toX, toY;
12629 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12630 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12633 if (appData.debugMode)
12634 fprintf(debugFP, "Restoring %s for game %d\n",
12635 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12637 thinkOutput[0] = NULLCHAR;
12638 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12639 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12640 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12641 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12642 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12643 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12644 MakeMove(fromX, fromY, toX, toY, promoChar);
12645 ShowMove(fromX, fromY, toX, toY);
12647 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12654 if (WhiteOnMove(currentMove)) {
12655 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12657 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12662 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12669 if (WhiteOnMove(currentMove)) {
12670 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12672 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12677 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12688 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12690 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12694 if (gameNumber > nCmailGames) {
12695 DisplayError(_("No more games in this message"), 0);
12698 if (f == lastLoadGameFP) {
12699 int offset = gameNumber - lastLoadGameNumber;
12701 cmailMsg[0] = NULLCHAR;
12702 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12703 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12704 nCmailMovesRegistered--;
12706 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12707 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12708 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12711 if (! RegisterMove()) return FALSE;
12715 retVal = LoadGame(f, gameNumber, title, useList);
12717 /* Make move registered during previous look at this game, if any */
12718 MakeRegisteredMove();
12720 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12721 commentList[currentMove]
12722 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12723 DisplayComment(currentMove - 1, commentList[currentMove]);
12729 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12731 ReloadGame (int offset)
12733 int gameNumber = lastLoadGameNumber + offset;
12734 if (lastLoadGameFP == NULL) {
12735 DisplayError(_("No game has been loaded yet"), 0);
12738 if (gameNumber <= 0) {
12739 DisplayError(_("Can't back up any further"), 0);
12742 if (cmailMsgLoaded) {
12743 return CmailLoadGame(lastLoadGameFP, gameNumber,
12744 lastLoadGameTitle, lastLoadGameUseList);
12746 return LoadGame(lastLoadGameFP, gameNumber,
12747 lastLoadGameTitle, lastLoadGameUseList);
12751 int keys[EmptySquare+1];
12754 PositionMatches (Board b1, Board b2)
12757 switch(appData.searchMode) {
12758 case 1: return CompareWithRights(b1, b2);
12760 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12761 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12765 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12766 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12767 sum += keys[b1[r][f]] - keys[b2[r][f]];
12771 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12772 sum += keys[b1[r][f]] - keys[b2[r][f]];
12784 int pieceList[256], quickBoard[256];
12785 ChessSquare pieceType[256] = { EmptySquare };
12786 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12787 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12788 int soughtTotal, turn;
12789 Boolean epOK, flipSearch;
12792 unsigned char piece, to;
12795 #define DSIZE (250000)
12797 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12798 Move *moveDatabase = initialSpace;
12799 unsigned int movePtr, dataSize = DSIZE;
12802 MakePieceList (Board board, int *counts)
12804 int r, f, n=Q_PROMO, total=0;
12805 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12806 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12807 int sq = f + (r<<4);
12808 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12809 quickBoard[sq] = ++n;
12811 pieceType[n] = board[r][f];
12812 counts[board[r][f]]++;
12813 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12814 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12818 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12823 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12825 int sq = fromX + (fromY<<4);
12826 int piece = quickBoard[sq], rook;
12827 quickBoard[sq] = 0;
12828 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12829 if(piece == pieceList[1] && fromY == toY) {
12830 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12831 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12832 moveDatabase[movePtr++].piece = Q_WCASTL;
12833 quickBoard[sq] = piece;
12834 piece = quickBoard[from]; quickBoard[from] = 0;
12835 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12836 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12837 quickBoard[sq] = 0; // remove Rook
12838 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12839 moveDatabase[movePtr++].piece = Q_WCASTL;
12840 quickBoard[sq] = pieceList[1]; // put King
12842 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12845 if(piece == pieceList[2] && fromY == toY) {
12846 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12847 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12848 moveDatabase[movePtr++].piece = Q_BCASTL;
12849 quickBoard[sq] = piece;
12850 piece = quickBoard[from]; quickBoard[from] = 0;
12851 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12852 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12853 quickBoard[sq] = 0; // remove Rook
12854 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12855 moveDatabase[movePtr++].piece = Q_BCASTL;
12856 quickBoard[sq] = pieceList[2]; // put King
12858 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12861 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12862 quickBoard[(fromY<<4)+toX] = 0;
12863 moveDatabase[movePtr].piece = Q_EP;
12864 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12865 moveDatabase[movePtr].to = sq;
12867 if(promoPiece != pieceType[piece]) {
12868 moveDatabase[movePtr++].piece = Q_PROMO;
12869 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12871 moveDatabase[movePtr].piece = piece;
12872 quickBoard[sq] = piece;
12877 PackGame (Board board)
12879 Move *newSpace = NULL;
12880 moveDatabase[movePtr].piece = 0; // terminate previous game
12881 if(movePtr > dataSize) {
12882 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12883 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12884 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12887 Move *p = moveDatabase, *q = newSpace;
12888 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12889 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12890 moveDatabase = newSpace;
12891 } else { // calloc failed, we must be out of memory. Too bad...
12892 dataSize = 0; // prevent calloc events for all subsequent games
12893 return 0; // and signal this one isn't cached
12897 MakePieceList(board, counts);
12902 QuickCompare (Board board, int *minCounts, int *maxCounts)
12903 { // compare according to search mode
12905 switch(appData.searchMode)
12907 case 1: // exact position match
12908 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12909 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12910 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12913 case 2: // can have extra material on empty squares
12914 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12915 if(board[r][f] == EmptySquare) continue;
12916 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12919 case 3: // material with exact Pawn structure
12920 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12921 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12922 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12923 } // fall through to material comparison
12924 case 4: // exact material
12925 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12927 case 6: // material range with given imbalance
12928 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12929 // fall through to range comparison
12930 case 5: // material range
12931 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12937 QuickScan (Board board, Move *move)
12938 { // reconstruct game,and compare all positions in it
12939 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12941 int piece = move->piece;
12942 int to = move->to, from = pieceList[piece];
12943 if(found < 0) { // if already found just scan to game end for final piece count
12944 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12945 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12946 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12947 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12949 static int lastCounts[EmptySquare+1];
12951 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12952 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12953 } else stretch = 0;
12954 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12955 if(found >= 0 && !appData.minPieces) return found;
12957 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12958 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12959 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12960 piece = (++move)->piece;
12961 from = pieceList[piece];
12962 counts[pieceType[piece]]--;
12963 pieceType[piece] = (ChessSquare) move->to;
12964 counts[move->to]++;
12965 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12966 counts[pieceType[quickBoard[to]]]--;
12967 quickBoard[to] = 0; total--;
12970 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12971 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12972 from = pieceList[piece]; // so this must be King
12973 quickBoard[from] = 0;
12974 pieceList[piece] = to;
12975 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12976 quickBoard[from] = 0; // rook
12977 quickBoard[to] = piece;
12978 to = move->to; piece = move->piece;
12982 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12983 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12984 quickBoard[from] = 0;
12986 quickBoard[to] = piece;
12987 pieceList[piece] = to;
12997 flipSearch = FALSE;
12998 CopyBoard(soughtBoard, boards[currentMove]);
12999 soughtTotal = MakePieceList(soughtBoard, maxSought);
13000 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
13001 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
13002 CopyBoard(reverseBoard, boards[currentMove]);
13003 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
13004 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
13005 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
13006 reverseBoard[r][f] = piece;
13008 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
13009 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
13010 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
13011 || (boards[currentMove][CASTLING][2] == NoRights ||
13012 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
13013 && (boards[currentMove][CASTLING][5] == NoRights ||
13014 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
13017 CopyBoard(flipBoard, soughtBoard);
13018 CopyBoard(rotateBoard, reverseBoard);
13019 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
13020 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
13021 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
13024 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
13025 if(appData.searchMode >= 5) {
13026 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
13027 MakePieceList(soughtBoard, minSought);
13028 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
13030 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
13031 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
13034 GameInfo dummyInfo;
13035 static int creatingBook;
13038 GameContainsPosition (FILE *f, ListGame *lg)
13040 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
13041 int fromX, fromY, toX, toY;
13043 static int initDone=FALSE;
13045 // weed out games based on numerical tag comparison
13046 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
13047 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
13048 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
13049 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
13051 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
13054 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
13055 else CopyBoard(boards[scratch], initialPosition); // default start position
13058 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
13059 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
13062 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13063 fseek(f, lg->offset, 0);
13066 yyboardindex = scratch;
13067 quickFlag = plyNr+1;
13072 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
13078 if(plyNr) return -1; // after we have seen moves, this is for new game
13081 case AmbiguousMove: // we cannot reconstruct the game beyond these two
13082 case ImpossibleMove:
13083 case WhiteWins: // game ends here with these four
13086 case GameUnfinished:
13090 if(appData.testLegality) return -1;
13091 case WhiteCapturesEnPassant:
13092 case BlackCapturesEnPassant:
13093 case WhitePromotion:
13094 case BlackPromotion:
13095 case WhiteNonPromotion:
13096 case BlackNonPromotion:
13099 case WhiteKingSideCastle:
13100 case WhiteQueenSideCastle:
13101 case BlackKingSideCastle:
13102 case BlackQueenSideCastle:
13103 case WhiteKingSideCastleWild:
13104 case WhiteQueenSideCastleWild:
13105 case BlackKingSideCastleWild:
13106 case BlackQueenSideCastleWild:
13107 case WhiteHSideCastleFR:
13108 case WhiteASideCastleFR:
13109 case BlackHSideCastleFR:
13110 case BlackASideCastleFR:
13111 fromX = currentMoveString[0] - AAA;
13112 fromY = currentMoveString[1] - ONE;
13113 toX = currentMoveString[2] - AAA;
13114 toY = currentMoveString[3] - ONE;
13115 promoChar = currentMoveString[4];
13119 fromX = next == WhiteDrop ?
13120 (int) CharToPiece(ToUpper(currentMoveString[0])) :
13121 (int) CharToPiece(ToLower(currentMoveString[0]));
13123 toX = currentMoveString[2] - AAA;
13124 toY = currentMoveString[3] - ONE;
13128 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
13130 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
13131 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
13132 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
13133 if(appData.findMirror) {
13134 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
13135 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
13140 /* Load the nth game from open file f */
13142 LoadGame (FILE *f, int gameNumber, char *title, int useList)
13146 int gn = gameNumber;
13147 ListGame *lg = NULL;
13148 int numPGNTags = 0, i;
13150 GameMode oldGameMode;
13151 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
13152 char oldName[MSG_SIZ];
13154 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
13156 if (appData.debugMode)
13157 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
13159 if (gameMode == Training )
13160 SetTrainingModeOff();
13162 oldGameMode = gameMode;
13163 if (gameMode != BeginningOfGame) {
13164 Reset(FALSE, TRUE);
13166 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
13169 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
13170 fclose(lastLoadGameFP);
13174 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
13177 fseek(f, lg->offset, 0);
13178 GameListHighlight(gameNumber);
13179 pos = lg->position;
13183 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
13184 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
13186 DisplayError(_("Game number out of range"), 0);
13191 if (fseek(f, 0, 0) == -1) {
13192 if (f == lastLoadGameFP ?
13193 gameNumber == lastLoadGameNumber + 1 :
13197 DisplayError(_("Can't seek on game file"), 0);
13202 lastLoadGameFP = f;
13203 lastLoadGameNumber = gameNumber;
13204 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
13205 lastLoadGameUseList = useList;
13209 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
13210 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
13211 lg->gameInfo.black);
13213 } else if (*title != NULLCHAR) {
13214 if (gameNumber > 1) {
13215 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
13218 DisplayTitle(title);
13222 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13223 gameMode = PlayFromGameFile;
13227 currentMove = forwardMostMove = backwardMostMove = 0;
13228 CopyBoard(boards[0], initialPosition);
13232 * Skip the first gn-1 games in the file.
13233 * Also skip over anything that precedes an identifiable
13234 * start of game marker, to avoid being confused by
13235 * garbage at the start of the file. Currently
13236 * recognized start of game markers are the move number "1",
13237 * the pattern "gnuchess .* game", the pattern
13238 * "^[#;%] [^ ]* game file", and a PGN tag block.
13239 * A game that starts with one of the latter two patterns
13240 * will also have a move number 1, possibly
13241 * following a position diagram.
13242 * 5-4-02: Let's try being more lenient and allowing a game to
13243 * start with an unnumbered move. Does that break anything?
13245 cm = lastLoadGameStart = EndOfFile;
13247 yyboardindex = forwardMostMove;
13248 cm = (ChessMove) Myylex();
13251 if (cmailMsgLoaded) {
13252 nCmailGames = CMAIL_MAX_GAMES - gn;
13255 DisplayError(_("Game not found in file"), 0);
13262 lastLoadGameStart = cm;
13265 case MoveNumberOne:
13266 switch (lastLoadGameStart) {
13271 case MoveNumberOne:
13273 gn--; /* count this game */
13274 lastLoadGameStart = cm;
13283 switch (lastLoadGameStart) {
13286 case MoveNumberOne:
13288 gn--; /* count this game */
13289 lastLoadGameStart = cm;
13292 lastLoadGameStart = cm; /* game counted already */
13300 yyboardindex = forwardMostMove;
13301 cm = (ChessMove) Myylex();
13302 } while (cm == PGNTag || cm == Comment);
13309 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13310 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13311 != CMAIL_OLD_RESULT) {
13313 cmailResult[ CMAIL_MAX_GAMES
13314 - gn - 1] = CMAIL_OLD_RESULT;
13321 /* Only a NormalMove can be at the start of a game
13322 * without a position diagram. */
13323 if (lastLoadGameStart == EndOfFile ) {
13325 lastLoadGameStart = MoveNumberOne;
13334 if (appData.debugMode)
13335 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13337 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; } // reset VariantMen
13339 if (cm == XBoardGame) {
13340 /* Skip any header junk before position diagram and/or move 1 */
13342 yyboardindex = forwardMostMove;
13343 cm = (ChessMove) Myylex();
13345 if (cm == EndOfFile ||
13346 cm == GNUChessGame || cm == XBoardGame) {
13347 /* Empty game; pretend end-of-file and handle later */
13352 if (cm == MoveNumberOne || cm == PositionDiagram ||
13353 cm == PGNTag || cm == Comment)
13356 } else if (cm == GNUChessGame) {
13357 if (gameInfo.event != NULL) {
13358 free(gameInfo.event);
13360 gameInfo.event = StrSave(yy_text);
13363 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13364 while (cm == PGNTag) {
13365 if (appData.debugMode)
13366 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13367 err = ParsePGNTag(yy_text, &gameInfo);
13368 if (!err) numPGNTags++;
13370 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13371 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13372 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13373 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13374 InitPosition(TRUE);
13375 oldVariant = gameInfo.variant;
13376 if (appData.debugMode)
13377 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13381 if (gameInfo.fen != NULL) {
13382 Board initial_position;
13383 startedFromSetupPosition = TRUE;
13384 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13386 DisplayError(_("Bad FEN position in file"), 0);
13389 CopyBoard(boards[0], initial_position);
13390 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13391 CopyBoard(initialPosition, initial_position);
13392 if (blackPlaysFirst) {
13393 currentMove = forwardMostMove = backwardMostMove = 1;
13394 CopyBoard(boards[1], initial_position);
13395 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13396 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13397 timeRemaining[0][1] = whiteTimeRemaining;
13398 timeRemaining[1][1] = blackTimeRemaining;
13399 if (commentList[0] != NULL) {
13400 commentList[1] = commentList[0];
13401 commentList[0] = NULL;
13404 currentMove = forwardMostMove = backwardMostMove = 0;
13406 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13408 initialRulePlies = FENrulePlies;
13409 for( i=0; i< nrCastlingRights; i++ )
13410 initialRights[i] = initial_position[CASTLING][i];
13412 yyboardindex = forwardMostMove;
13413 free(gameInfo.fen);
13414 gameInfo.fen = NULL;
13417 yyboardindex = forwardMostMove;
13418 cm = (ChessMove) Myylex();
13420 /* Handle comments interspersed among the tags */
13421 while (cm == Comment) {
13423 if (appData.debugMode)
13424 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13426 AppendComment(currentMove, p, FALSE);
13427 yyboardindex = forwardMostMove;
13428 cm = (ChessMove) Myylex();
13432 /* don't rely on existence of Event tag since if game was
13433 * pasted from clipboard the Event tag may not exist
13435 if (numPGNTags > 0){
13437 if (gameInfo.variant == VariantNormal) {
13438 VariantClass v = StringToVariant(gameInfo.event);
13439 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13440 if(v < VariantShogi) gameInfo.variant = v;
13443 if( appData.autoDisplayTags ) {
13444 tags = PGNTags(&gameInfo);
13445 TagsPopUp(tags, CmailMsg());
13450 /* Make something up, but don't display it now */
13455 if (cm == PositionDiagram) {
13458 Board initial_position;
13460 if (appData.debugMode)
13461 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13463 if (!startedFromSetupPosition) {
13465 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13466 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13477 initial_position[i][j++] = CharToPiece(*p);
13480 while (*p == ' ' || *p == '\t' ||
13481 *p == '\n' || *p == '\r') p++;
13483 if (strncmp(p, "black", strlen("black"))==0)
13484 blackPlaysFirst = TRUE;
13486 blackPlaysFirst = FALSE;
13487 startedFromSetupPosition = TRUE;
13489 CopyBoard(boards[0], initial_position);
13490 if (blackPlaysFirst) {
13491 currentMove = forwardMostMove = backwardMostMove = 1;
13492 CopyBoard(boards[1], initial_position);
13493 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13494 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13495 timeRemaining[0][1] = whiteTimeRemaining;
13496 timeRemaining[1][1] = blackTimeRemaining;
13497 if (commentList[0] != NULL) {
13498 commentList[1] = commentList[0];
13499 commentList[0] = NULL;
13502 currentMove = forwardMostMove = backwardMostMove = 0;
13505 yyboardindex = forwardMostMove;
13506 cm = (ChessMove) Myylex();
13509 if(!creatingBook) {
13510 if (first.pr == NoProc) {
13511 StartChessProgram(&first);
13513 InitChessProgram(&first, FALSE);
13514 if(gameInfo.variant == VariantUnknown && *oldName) {
13515 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13516 gameInfo.variant = v;
13518 SendToProgram("force\n", &first);
13519 if (startedFromSetupPosition) {
13520 SendBoard(&first, forwardMostMove);
13521 if (appData.debugMode) {
13522 fprintf(debugFP, "Load Game\n");
13524 DisplayBothClocks();
13528 /* [HGM] server: flag to write setup moves in broadcast file as one */
13529 loadFlag = appData.suppressLoadMoves;
13531 while (cm == Comment) {
13533 if (appData.debugMode)
13534 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13536 AppendComment(currentMove, p, FALSE);
13537 yyboardindex = forwardMostMove;
13538 cm = (ChessMove) Myylex();
13541 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13542 cm == WhiteWins || cm == BlackWins ||
13543 cm == GameIsDrawn || cm == GameUnfinished) {
13544 DisplayMessage("", _("No moves in game"));
13545 if (cmailMsgLoaded) {
13546 if (appData.debugMode)
13547 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13551 DrawPosition(FALSE, boards[currentMove]);
13552 DisplayBothClocks();
13553 gameMode = EditGame;
13560 // [HGM] PV info: routine tests if comment empty
13561 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13562 DisplayComment(currentMove - 1, commentList[currentMove]);
13564 if (!matchMode && appData.timeDelay != 0)
13565 DrawPosition(FALSE, boards[currentMove]);
13567 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13568 programStats.ok_to_send = 1;
13571 /* if the first token after the PGN tags is a move
13572 * and not move number 1, retrieve it from the parser
13574 if (cm != MoveNumberOne)
13575 LoadGameOneMove(cm);
13577 /* load the remaining moves from the file */
13578 while (LoadGameOneMove(EndOfFile)) {
13579 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13580 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13583 /* rewind to the start of the game */
13584 currentMove = backwardMostMove;
13586 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13588 if (oldGameMode == AnalyzeFile) {
13589 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13590 AnalyzeFileEvent();
13592 if (oldGameMode == AnalyzeMode) {
13593 AnalyzeFileEvent();
13596 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13597 long int w, b; // [HGM] adjourn: restore saved clock times
13598 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13599 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13600 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13601 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13605 if(creatingBook) return TRUE;
13606 if (!matchMode && pos > 0) {
13607 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13609 if (matchMode || appData.timeDelay == 0) {
13611 } else if (appData.timeDelay > 0) {
13612 AutoPlayGameLoop();
13615 if (appData.debugMode)
13616 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13618 loadFlag = 0; /* [HGM] true game starts */
13622 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13624 ReloadPosition (int offset)
13626 int positionNumber = lastLoadPositionNumber + offset;
13627 if (lastLoadPositionFP == NULL) {
13628 DisplayError(_("No position has been loaded yet"), 0);
13631 if (positionNumber <= 0) {
13632 DisplayError(_("Can't back up any further"), 0);
13635 return LoadPosition(lastLoadPositionFP, positionNumber,
13636 lastLoadPositionTitle);
13639 /* Load the nth position from the given file */
13641 LoadPositionFromFile (char *filename, int n, char *title)
13646 if (strcmp(filename, "-") == 0) {
13647 return LoadPosition(stdin, n, "stdin");
13649 f = fopen(filename, "rb");
13651 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13652 DisplayError(buf, errno);
13655 return LoadPosition(f, n, title);
13660 /* Load the nth position from the given open file, and close it */
13662 LoadPosition (FILE *f, int positionNumber, char *title)
13664 char *p, line[MSG_SIZ];
13665 Board initial_position;
13666 int i, j, fenMode, pn;
13668 if (gameMode == Training )
13669 SetTrainingModeOff();
13671 if (gameMode != BeginningOfGame) {
13672 Reset(FALSE, TRUE);
13674 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13675 fclose(lastLoadPositionFP);
13677 if (positionNumber == 0) positionNumber = 1;
13678 lastLoadPositionFP = f;
13679 lastLoadPositionNumber = positionNumber;
13680 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13681 if (first.pr == NoProc && !appData.noChessProgram) {
13682 StartChessProgram(&first);
13683 InitChessProgram(&first, FALSE);
13685 pn = positionNumber;
13686 if (positionNumber < 0) {
13687 /* Negative position number means to seek to that byte offset */
13688 if (fseek(f, -positionNumber, 0) == -1) {
13689 DisplayError(_("Can't seek on position file"), 0);
13694 if (fseek(f, 0, 0) == -1) {
13695 if (f == lastLoadPositionFP ?
13696 positionNumber == lastLoadPositionNumber + 1 :
13697 positionNumber == 1) {
13700 DisplayError(_("Can't seek on position file"), 0);
13705 /* See if this file is FEN or old-style xboard */
13706 if (fgets(line, MSG_SIZ, f) == NULL) {
13707 DisplayError(_("Position not found in file"), 0);
13710 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13711 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13714 if (fenMode || line[0] == '#') pn--;
13716 /* skip positions before number pn */
13717 if (fgets(line, MSG_SIZ, f) == NULL) {
13719 DisplayError(_("Position not found in file"), 0);
13722 if (fenMode || line[0] == '#') pn--;
13728 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13729 DisplayError(_("Bad FEN position in file"), 0);
13732 if((strchr(line, ';')) && (p = strstr(line, " bm "))) { // EPD with best move
13733 sscanf(p+4, "%[^;]", bestMove);
13734 } else *bestMove = NULLCHAR;
13735 if((strchr(line, ';')) && (p = strstr(line, " am "))) { // EPD with avoid move
13736 sscanf(p+4, "%[^;]", avoidMove);
13737 } else *avoidMove = NULLCHAR;
13739 (void) fgets(line, MSG_SIZ, f);
13740 (void) fgets(line, MSG_SIZ, f);
13742 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13743 (void) fgets(line, MSG_SIZ, f);
13744 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13747 initial_position[i][j++] = CharToPiece(*p);
13751 blackPlaysFirst = FALSE;
13753 (void) fgets(line, MSG_SIZ, f);
13754 if (strncmp(line, "black", strlen("black"))==0)
13755 blackPlaysFirst = TRUE;
13758 startedFromSetupPosition = TRUE;
13760 CopyBoard(boards[0], initial_position);
13761 if (blackPlaysFirst) {
13762 currentMove = forwardMostMove = backwardMostMove = 1;
13763 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13764 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13765 CopyBoard(boards[1], initial_position);
13766 DisplayMessage("", _("Black to play"));
13768 currentMove = forwardMostMove = backwardMostMove = 0;
13769 DisplayMessage("", _("White to play"));
13771 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13772 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13773 SendToProgram("force\n", &first);
13774 SendBoard(&first, forwardMostMove);
13776 if (appData.debugMode) {
13778 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13779 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13780 fprintf(debugFP, "Load Position\n");
13783 if (positionNumber > 1) {
13784 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13785 DisplayTitle(line);
13787 DisplayTitle(title);
13789 gameMode = EditGame;
13792 timeRemaining[0][1] = whiteTimeRemaining;
13793 timeRemaining[1][1] = blackTimeRemaining;
13794 DrawPosition(FALSE, boards[currentMove]);
13801 CopyPlayerNameIntoFileName (char **dest, char *src)
13803 while (*src != NULLCHAR && *src != ',') {
13808 *(*dest)++ = *src++;
13814 DefaultFileName (char *ext)
13816 static char def[MSG_SIZ];
13819 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13821 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13823 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13825 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13832 /* Save the current game to the given file */
13834 SaveGameToFile (char *filename, int append)
13838 int result, i, t,tot=0;
13840 if (strcmp(filename, "-") == 0) {
13841 return SaveGame(stdout, 0, NULL);
13843 for(i=0; i<10; i++) { // upto 10 tries
13844 f = fopen(filename, append ? "a" : "w");
13845 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13846 if(f || errno != 13) break;
13847 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13851 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13852 DisplayError(buf, errno);
13855 safeStrCpy(buf, lastMsg, MSG_SIZ);
13856 DisplayMessage(_("Waiting for access to save file"), "");
13857 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13858 DisplayMessage(_("Saving game"), "");
13859 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13860 result = SaveGame(f, 0, NULL);
13861 DisplayMessage(buf, "");
13868 SavePart (char *str)
13870 static char buf[MSG_SIZ];
13873 p = strchr(str, ' ');
13874 if (p == NULL) return str;
13875 strncpy(buf, str, p - str);
13876 buf[p - str] = NULLCHAR;
13880 #define PGN_MAX_LINE 75
13882 #define PGN_SIDE_WHITE 0
13883 #define PGN_SIDE_BLACK 1
13886 FindFirstMoveOutOfBook (int side)
13890 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13891 int index = backwardMostMove;
13892 int has_book_hit = 0;
13894 if( (index % 2) != side ) {
13898 while( index < forwardMostMove ) {
13899 /* Check to see if engine is in book */
13900 int depth = pvInfoList[index].depth;
13901 int score = pvInfoList[index].score;
13907 else if( score == 0 && depth == 63 ) {
13908 in_book = 1; /* Zappa */
13910 else if( score == 2 && depth == 99 ) {
13911 in_book = 1; /* Abrok */
13914 has_book_hit += in_book;
13930 GetOutOfBookInfo (char * buf)
13934 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13936 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13937 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13941 if( oob[0] >= 0 || oob[1] >= 0 ) {
13942 for( i=0; i<2; i++ ) {
13946 if( i > 0 && oob[0] >= 0 ) {
13947 strcat( buf, " " );
13950 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13951 sprintf( buf+strlen(buf), "%s%.2f",
13952 pvInfoList[idx].score >= 0 ? "+" : "",
13953 pvInfoList[idx].score / 100.0 );
13959 /* Save game in PGN style */
13961 SaveGamePGN2 (FILE *f)
13963 int i, offset, linelen, newblock;
13966 int movelen, numlen, blank;
13967 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13969 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13971 PrintPGNTags(f, &gameInfo);
13973 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13975 if (backwardMostMove > 0 || startedFromSetupPosition) {
13976 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13977 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13978 fprintf(f, "\n{--------------\n");
13979 PrintPosition(f, backwardMostMove);
13980 fprintf(f, "--------------}\n");
13984 /* [AS] Out of book annotation */
13985 if( appData.saveOutOfBookInfo ) {
13988 GetOutOfBookInfo( buf );
13990 if( buf[0] != '\0' ) {
13991 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13998 i = backwardMostMove;
14002 while (i < forwardMostMove) {
14003 /* Print comments preceding this move */
14004 if (commentList[i] != NULL) {
14005 if (linelen > 0) fprintf(f, "\n");
14006 fprintf(f, "%s", commentList[i]);
14011 /* Format move number */
14013 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
14016 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
14018 numtext[0] = NULLCHAR;
14020 numlen = strlen(numtext);
14023 /* Print move number */
14024 blank = linelen > 0 && numlen > 0;
14025 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
14034 fprintf(f, "%s", numtext);
14038 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
14039 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
14042 blank = linelen > 0 && movelen > 0;
14043 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
14052 fprintf(f, "%s", move_buffer);
14053 linelen += movelen;
14055 /* [AS] Add PV info if present */
14056 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
14057 /* [HGM] add time */
14058 char buf[MSG_SIZ]; int seconds;
14060 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
14066 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
14069 seconds = (seconds + 4)/10; // round to full seconds
14071 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
14073 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
14076 if(appData.cumulativeTimePGN) {
14077 snprintf(buf, MSG_SIZ, " %+ld", timeRemaining[i & 1][i+1]/1000);
14080 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
14081 pvInfoList[i].score >= 0 ? "+" : "",
14082 pvInfoList[i].score / 100.0,
14083 pvInfoList[i].depth,
14086 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
14088 /* Print score/depth */
14089 blank = linelen > 0 && movelen > 0;
14090 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
14099 fprintf(f, "%s", move_buffer);
14100 linelen += movelen;
14106 /* Start a new line */
14107 if (linelen > 0) fprintf(f, "\n");
14109 /* Print comments after last move */
14110 if (commentList[i] != NULL) {
14111 fprintf(f, "%s\n", commentList[i]);
14115 if (gameInfo.resultDetails != NULL &&
14116 gameInfo.resultDetails[0] != NULLCHAR) {
14117 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
14118 if(gameInfo.result == GameUnfinished && appData.clockMode &&
14119 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
14120 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
14121 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
14123 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14127 /* Save game in PGN style and close the file */
14129 SaveGamePGN (FILE *f)
14133 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14137 /* Save game in old style and close the file */
14139 SaveGameOldStyle (FILE *f)
14144 tm = time((time_t *) NULL);
14146 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
14149 if (backwardMostMove > 0 || startedFromSetupPosition) {
14150 fprintf(f, "\n[--------------\n");
14151 PrintPosition(f, backwardMostMove);
14152 fprintf(f, "--------------]\n");
14157 i = backwardMostMove;
14158 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
14160 while (i < forwardMostMove) {
14161 if (commentList[i] != NULL) {
14162 fprintf(f, "[%s]\n", commentList[i]);
14165 if ((i % 2) == 1) {
14166 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
14169 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
14171 if (commentList[i] != NULL) {
14175 if (i >= forwardMostMove) {
14179 fprintf(f, "%s\n", parseList[i]);
14184 if (commentList[i] != NULL) {
14185 fprintf(f, "[%s]\n", commentList[i]);
14188 /* This isn't really the old style, but it's close enough */
14189 if (gameInfo.resultDetails != NULL &&
14190 gameInfo.resultDetails[0] != NULLCHAR) {
14191 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
14192 gameInfo.resultDetails);
14194 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
14201 /* Save the current game to open file f and close the file */
14203 SaveGame (FILE *f, int dummy, char *dummy2)
14205 if (gameMode == EditPosition) EditPositionDone(TRUE);
14206 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
14207 if (appData.oldSaveStyle)
14208 return SaveGameOldStyle(f);
14210 return SaveGamePGN(f);
14213 /* Save the current position to the given file */
14215 SavePositionToFile (char *filename)
14220 if (strcmp(filename, "-") == 0) {
14221 return SavePosition(stdout, 0, NULL);
14223 f = fopen(filename, "a");
14225 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
14226 DisplayError(buf, errno);
14229 safeStrCpy(buf, lastMsg, MSG_SIZ);
14230 DisplayMessage(_("Waiting for access to save file"), "");
14231 flock(fileno(f), LOCK_EX); // [HGM] lock
14232 DisplayMessage(_("Saving position"), "");
14233 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14234 SavePosition(f, 0, NULL);
14235 DisplayMessage(buf, "");
14241 /* Save the current position to the given open file and close the file */
14243 SavePosition (FILE *f, int dummy, char *dummy2)
14248 if (gameMode == EditPosition) EditPositionDone(TRUE);
14249 if (appData.oldSaveStyle) {
14250 tm = time((time_t *) NULL);
14252 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14254 fprintf(f, "[--------------\n");
14255 PrintPosition(f, currentMove);
14256 fprintf(f, "--------------]\n");
14258 fen = PositionToFEN(currentMove, NULL, 1);
14259 fprintf(f, "%s\n", fen);
14267 ReloadCmailMsgEvent (int unregister)
14270 static char *inFilename = NULL;
14271 static char *outFilename;
14273 struct stat inbuf, outbuf;
14276 /* Any registered moves are unregistered if unregister is set, */
14277 /* i.e. invoked by the signal handler */
14279 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14280 cmailMoveRegistered[i] = FALSE;
14281 if (cmailCommentList[i] != NULL) {
14282 free(cmailCommentList[i]);
14283 cmailCommentList[i] = NULL;
14286 nCmailMovesRegistered = 0;
14289 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14290 cmailResult[i] = CMAIL_NOT_RESULT;
14294 if (inFilename == NULL) {
14295 /* Because the filenames are static they only get malloced once */
14296 /* and they never get freed */
14297 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14298 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14300 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14301 sprintf(outFilename, "%s.out", appData.cmailGameName);
14304 status = stat(outFilename, &outbuf);
14306 cmailMailedMove = FALSE;
14308 status = stat(inFilename, &inbuf);
14309 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14312 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14313 counts the games, notes how each one terminated, etc.
14315 It would be nice to remove this kludge and instead gather all
14316 the information while building the game list. (And to keep it
14317 in the game list nodes instead of having a bunch of fixed-size
14318 parallel arrays.) Note this will require getting each game's
14319 termination from the PGN tags, as the game list builder does
14320 not process the game moves. --mann
14322 cmailMsgLoaded = TRUE;
14323 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14325 /* Load first game in the file or popup game menu */
14326 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14328 #endif /* !WIN32 */
14336 char string[MSG_SIZ];
14338 if ( cmailMailedMove
14339 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14340 return TRUE; /* Allow free viewing */
14343 /* Unregister move to ensure that we don't leave RegisterMove */
14344 /* with the move registered when the conditions for registering no */
14346 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14347 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14348 nCmailMovesRegistered --;
14350 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14352 free(cmailCommentList[lastLoadGameNumber - 1]);
14353 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14357 if (cmailOldMove == -1) {
14358 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14362 if (currentMove > cmailOldMove + 1) {
14363 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14367 if (currentMove < cmailOldMove) {
14368 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14372 if (forwardMostMove > currentMove) {
14373 /* Silently truncate extra moves */
14377 if ( (currentMove == cmailOldMove + 1)
14378 || ( (currentMove == cmailOldMove)
14379 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14380 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14381 if (gameInfo.result != GameUnfinished) {
14382 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14385 if (commentList[currentMove] != NULL) {
14386 cmailCommentList[lastLoadGameNumber - 1]
14387 = StrSave(commentList[currentMove]);
14389 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14391 if (appData.debugMode)
14392 fprintf(debugFP, "Saving %s for game %d\n",
14393 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14395 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14397 f = fopen(string, "w");
14398 if (appData.oldSaveStyle) {
14399 SaveGameOldStyle(f); /* also closes the file */
14401 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14402 f = fopen(string, "w");
14403 SavePosition(f, 0, NULL); /* also closes the file */
14405 fprintf(f, "{--------------\n");
14406 PrintPosition(f, currentMove);
14407 fprintf(f, "--------------}\n\n");
14409 SaveGame(f, 0, NULL); /* also closes the file*/
14412 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14413 nCmailMovesRegistered ++;
14414 } else if (nCmailGames == 1) {
14415 DisplayError(_("You have not made a move yet"), 0);
14426 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14427 FILE *commandOutput;
14428 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14429 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14435 if (! cmailMsgLoaded) {
14436 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14440 if (nCmailGames == nCmailResults) {
14441 DisplayError(_("No unfinished games"), 0);
14445 #if CMAIL_PROHIBIT_REMAIL
14446 if (cmailMailedMove) {
14447 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);
14448 DisplayError(msg, 0);
14453 if (! (cmailMailedMove || RegisterMove())) return;
14455 if ( cmailMailedMove
14456 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14457 snprintf(string, MSG_SIZ, partCommandString,
14458 appData.debugMode ? " -v" : "", appData.cmailGameName);
14459 commandOutput = popen(string, "r");
14461 if (commandOutput == NULL) {
14462 DisplayError(_("Failed to invoke cmail"), 0);
14464 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14465 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14467 if (nBuffers > 1) {
14468 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14469 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14470 nBytes = MSG_SIZ - 1;
14472 (void) memcpy(msg, buffer, nBytes);
14474 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14476 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14477 cmailMailedMove = TRUE; /* Prevent >1 moves */
14480 for (i = 0; i < nCmailGames; i ++) {
14481 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14486 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14488 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14490 appData.cmailGameName,
14492 LoadGameFromFile(buffer, 1, buffer, FALSE);
14493 cmailMsgLoaded = FALSE;
14497 DisplayInformation(msg);
14498 pclose(commandOutput);
14501 if ((*cmailMsg) != '\0') {
14502 DisplayInformation(cmailMsg);
14507 #endif /* !WIN32 */
14516 int prependComma = 0;
14518 char string[MSG_SIZ]; /* Space for game-list */
14521 if (!cmailMsgLoaded) return "";
14523 if (cmailMailedMove) {
14524 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14526 /* Create a list of games left */
14527 snprintf(string, MSG_SIZ, "[");
14528 for (i = 0; i < nCmailGames; i ++) {
14529 if (! ( cmailMoveRegistered[i]
14530 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14531 if (prependComma) {
14532 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14534 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14538 strcat(string, number);
14541 strcat(string, "]");
14543 if (nCmailMovesRegistered + nCmailResults == 0) {
14544 switch (nCmailGames) {
14546 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14550 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14554 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14559 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14561 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14566 if (nCmailResults == nCmailGames) {
14567 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14569 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14574 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14586 if (gameMode == Training)
14587 SetTrainingModeOff();
14590 cmailMsgLoaded = FALSE;
14591 if (appData.icsActive) {
14592 SendToICS(ics_prefix);
14593 SendToICS("refresh\n");
14598 ExitEvent (int status)
14602 /* Give up on clean exit */
14606 /* Keep trying for clean exit */
14610 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14611 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14613 if (telnetISR != NULL) {
14614 RemoveInputSource(telnetISR);
14616 if (icsPR != NoProc) {
14617 DestroyChildProcess(icsPR, TRUE);
14620 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14621 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14623 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14624 /* make sure this other one finishes before killing it! */
14625 if(endingGame) { int count = 0;
14626 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14627 while(endingGame && count++ < 10) DoSleep(1);
14628 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14631 /* Kill off chess programs */
14632 if (first.pr != NoProc) {
14635 DoSleep( appData.delayBeforeQuit );
14636 SendToProgram("quit\n", &first);
14637 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14639 if (second.pr != NoProc) {
14640 DoSleep( appData.delayBeforeQuit );
14641 SendToProgram("quit\n", &second);
14642 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14644 if (first.isr != NULL) {
14645 RemoveInputSource(first.isr);
14647 if (second.isr != NULL) {
14648 RemoveInputSource(second.isr);
14651 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14652 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14654 ShutDownFrontEnd();
14659 PauseEngine (ChessProgramState *cps)
14661 SendToProgram("pause\n", cps);
14666 UnPauseEngine (ChessProgramState *cps)
14668 SendToProgram("resume\n", cps);
14675 if (appData.debugMode)
14676 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14680 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14682 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14683 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14684 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14686 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14687 HandleMachineMove(stashedInputMove, stalledEngine);
14688 stalledEngine = NULL;
14691 if (gameMode == MachinePlaysWhite ||
14692 gameMode == TwoMachinesPlay ||
14693 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14694 if(first.pause) UnPauseEngine(&first);
14695 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14696 if(second.pause) UnPauseEngine(&second);
14697 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14700 DisplayBothClocks();
14702 if (gameMode == PlayFromGameFile) {
14703 if (appData.timeDelay >= 0)
14704 AutoPlayGameLoop();
14705 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14706 Reset(FALSE, TRUE);
14707 SendToICS(ics_prefix);
14708 SendToICS("refresh\n");
14709 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14710 ForwardInner(forwardMostMove);
14712 pauseExamInvalid = FALSE;
14714 switch (gameMode) {
14718 pauseExamForwardMostMove = forwardMostMove;
14719 pauseExamInvalid = FALSE;
14722 case IcsPlayingWhite:
14723 case IcsPlayingBlack:
14727 case PlayFromGameFile:
14728 (void) StopLoadGameTimer();
14732 case BeginningOfGame:
14733 if (appData.icsActive) return;
14734 /* else fall through */
14735 case MachinePlaysWhite:
14736 case MachinePlaysBlack:
14737 case TwoMachinesPlay:
14738 if (forwardMostMove == 0)
14739 return; /* don't pause if no one has moved */
14740 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14741 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14742 if(onMove->pause) { // thinking engine can be paused
14743 PauseEngine(onMove); // do it
14744 if(onMove->other->pause) // pondering opponent can always be paused immediately
14745 PauseEngine(onMove->other);
14747 SendToProgram("easy\n", onMove->other);
14749 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14750 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14752 PauseEngine(&first);
14754 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14755 } else { // human on move, pause pondering by either method
14757 PauseEngine(&first);
14758 else if(appData.ponderNextMove)
14759 SendToProgram("easy\n", &first);
14762 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14772 EditCommentEvent ()
14774 char title[MSG_SIZ];
14776 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14777 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14779 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14780 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14781 parseList[currentMove - 1]);
14784 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14791 char *tags = PGNTags(&gameInfo);
14793 EditTagsPopUp(tags, NULL);
14800 if(WaitForEngine(&second, StartSecond)) return;
14801 InitChessProgram(&second, FALSE);
14802 FeedMovesToProgram(&second, currentMove);
14804 SendToProgram("analyze\n", &second);
14805 second.analyzing = TRUE;
14812 if(second.analyzing) {
14813 SendToProgram("exit\n", &second);
14814 second.analyzing = FALSE;
14820 /* Toggle ShowThinking */
14822 ToggleShowThinking()
14824 appData.showThinking = !appData.showThinking;
14825 ShowThinkingEvent();
14829 AnalyzeModeEvent ()
14833 if (!first.analysisSupport) {
14834 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14835 DisplayError(buf, 0);
14838 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14839 if (appData.icsActive) {
14840 if (gameMode != IcsObserving) {
14841 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14842 DisplayError(buf, 0);
14844 if (appData.icsEngineAnalyze) {
14845 if (appData.debugMode)
14846 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14852 /* if enable, user wants to disable icsEngineAnalyze */
14853 if (appData.icsEngineAnalyze) {
14858 appData.icsEngineAnalyze = TRUE;
14859 if (appData.debugMode)
14860 fprintf(debugFP, "ICS engine analyze starting... \n");
14863 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14864 if (appData.noChessProgram || gameMode == AnalyzeMode)
14867 if (gameMode != AnalyzeFile) {
14868 if (!appData.icsEngineAnalyze) {
14870 if (gameMode != EditGame) return 0;
14872 if (!appData.showThinking) ToggleShowThinking();
14873 ResurrectChessProgram();
14874 SendToProgram("analyze\n", &first);
14875 first.analyzing = TRUE;
14876 /*first.maybeThinking = TRUE;*/
14877 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14878 EngineOutputPopUp();
14880 if (!appData.icsEngineAnalyze) {
14881 gameMode = AnalyzeMode;
14882 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14888 StartAnalysisClock();
14889 GetTimeMark(&lastNodeCountTime);
14895 AnalyzeFileEvent ()
14897 if (appData.noChessProgram || gameMode == AnalyzeFile)
14900 if (!first.analysisSupport) {
14902 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14903 DisplayError(buf, 0);
14907 if (gameMode != AnalyzeMode) {
14908 keepInfo = 1; // mere annotating should not alter PGN tags
14911 if (gameMode != EditGame) return;
14912 if (!appData.showThinking) ToggleShowThinking();
14913 ResurrectChessProgram();
14914 SendToProgram("analyze\n", &first);
14915 first.analyzing = TRUE;
14916 /*first.maybeThinking = TRUE;*/
14917 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14918 EngineOutputPopUp();
14920 gameMode = AnalyzeFile;
14924 StartAnalysisClock();
14925 GetTimeMark(&lastNodeCountTime);
14927 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14928 AnalysisPeriodicEvent(1);
14932 MachineWhiteEvent ()
14935 char *bookHit = NULL;
14937 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14941 if (gameMode == PlayFromGameFile ||
14942 gameMode == TwoMachinesPlay ||
14943 gameMode == Training ||
14944 gameMode == AnalyzeMode ||
14945 gameMode == EndOfGame)
14948 if (gameMode == EditPosition)
14949 EditPositionDone(TRUE);
14951 if (!WhiteOnMove(currentMove)) {
14952 DisplayError(_("It is not White's turn"), 0);
14956 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14959 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14960 gameMode == AnalyzeFile)
14963 ResurrectChessProgram(); /* in case it isn't running */
14964 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14965 gameMode = MachinePlaysWhite;
14968 gameMode = MachinePlaysWhite;
14972 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14974 if (first.sendName) {
14975 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14976 SendToProgram(buf, &first);
14978 if (first.sendTime) {
14979 if (first.useColors) {
14980 SendToProgram("black\n", &first); /*gnu kludge*/
14982 SendTimeRemaining(&first, TRUE);
14984 if (first.useColors) {
14985 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14987 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14988 SetMachineThinkingEnables();
14989 first.maybeThinking = TRUE;
14993 if (appData.autoFlipView && !flipView) {
14994 flipView = !flipView;
14995 DrawPosition(FALSE, NULL);
14996 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14999 if(bookHit) { // [HGM] book: simulate book reply
15000 static char bookMove[MSG_SIZ]; // a bit generous?
15002 programStats.nodes = programStats.depth = programStats.time =
15003 programStats.score = programStats.got_only_move = 0;
15004 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15006 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15007 strcat(bookMove, bookHit);
15008 savedMessage = bookMove; // args for deferred call
15009 savedState = &first;
15010 ScheduleDelayedEvent(DeferredBookMove, 1);
15015 MachineBlackEvent ()
15018 char *bookHit = NULL;
15020 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
15024 if (gameMode == PlayFromGameFile ||
15025 gameMode == TwoMachinesPlay ||
15026 gameMode == Training ||
15027 gameMode == AnalyzeMode ||
15028 gameMode == EndOfGame)
15031 if (gameMode == EditPosition)
15032 EditPositionDone(TRUE);
15034 if (WhiteOnMove(currentMove)) {
15035 DisplayError(_("It is not Black's turn"), 0);
15039 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
15042 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15043 gameMode == AnalyzeFile)
15046 ResurrectChessProgram(); /* in case it isn't running */
15047 gameMode = MachinePlaysBlack;
15051 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15053 if (first.sendName) {
15054 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
15055 SendToProgram(buf, &first);
15057 if (first.sendTime) {
15058 if (first.useColors) {
15059 SendToProgram("white\n", &first); /*gnu kludge*/
15061 SendTimeRemaining(&first, FALSE);
15063 if (first.useColors) {
15064 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
15066 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
15067 SetMachineThinkingEnables();
15068 first.maybeThinking = TRUE;
15071 if (appData.autoFlipView && flipView) {
15072 flipView = !flipView;
15073 DrawPosition(FALSE, NULL);
15074 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
15076 if(bookHit) { // [HGM] book: simulate book reply
15077 static char bookMove[MSG_SIZ]; // a bit generous?
15079 programStats.nodes = programStats.depth = programStats.time =
15080 programStats.score = programStats.got_only_move = 0;
15081 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15083 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15084 strcat(bookMove, bookHit);
15085 savedMessage = bookMove; // args for deferred call
15086 savedState = &first;
15087 ScheduleDelayedEvent(DeferredBookMove, 1);
15093 DisplayTwoMachinesTitle ()
15096 if (appData.matchGames > 0) {
15097 if(appData.tourneyFile[0]) {
15098 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
15099 gameInfo.white, _("vs."), gameInfo.black,
15100 nextGame+1, appData.matchGames+1,
15101 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
15103 if (first.twoMachinesColor[0] == 'w') {
15104 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15105 gameInfo.white, _("vs."), gameInfo.black,
15106 first.matchWins, second.matchWins,
15107 matchGame - 1 - (first.matchWins + second.matchWins));
15109 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
15110 gameInfo.white, _("vs."), gameInfo.black,
15111 second.matchWins, first.matchWins,
15112 matchGame - 1 - (first.matchWins + second.matchWins));
15115 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
15121 SettingsMenuIfReady ()
15123 if (second.lastPing != second.lastPong) {
15124 DisplayMessage("", _("Waiting for second chess program"));
15125 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
15129 DisplayMessage("", "");
15130 SettingsPopUp(&second);
15134 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
15137 if (cps->pr == NoProc) {
15138 StartChessProgram(cps);
15139 if (cps->protocolVersion == 1) {
15141 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
15143 /* kludge: allow timeout for initial "feature" command */
15144 if(retry != TwoMachinesEventIfReady) FreezeUI();
15145 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
15146 DisplayMessage("", buf);
15147 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
15155 TwoMachinesEvent P((void))
15157 int i, move = forwardMostMove;
15159 ChessProgramState *onmove;
15160 char *bookHit = NULL;
15161 static int stalling = 0;
15165 if (appData.noChessProgram) return;
15167 switch (gameMode) {
15168 case TwoMachinesPlay:
15170 case MachinePlaysWhite:
15171 case MachinePlaysBlack:
15172 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15173 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15177 case BeginningOfGame:
15178 case PlayFromGameFile:
15181 if (gameMode != EditGame) return;
15184 EditPositionDone(TRUE);
15195 // forwardMostMove = currentMove;
15196 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
15197 startingEngine = TRUE;
15199 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
15201 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
15202 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
15203 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15207 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
15209 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
15210 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
15211 startingEngine = matchMode = FALSE;
15212 DisplayError("second engine does not play this", 0);
15213 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
15214 EditGameEvent(); // switch back to EditGame mode
15219 InitChessProgram(&second, FALSE); // unbalances ping of second engine
15220 SendToProgram("force\n", &second);
15222 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
15226 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
15227 if(appData.matchPause>10000 || appData.matchPause<10)
15228 appData.matchPause = 10000; /* [HGM] make pause adjustable */
15229 wait = SubtractTimeMarks(&now, &pauseStart);
15230 if(wait < appData.matchPause) {
15231 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
15234 // we are now committed to starting the game
15236 DisplayMessage("", "");
15238 if (startedFromSetupPosition) {
15239 SendBoard(&second, backwardMostMove);
15240 if (appData.debugMode) {
15241 fprintf(debugFP, "Two Machines\n");
15244 for (i = backwardMostMove; i < forwardMostMove; i++) {
15245 SendMoveToProgram(i, &second);
15249 gameMode = TwoMachinesPlay;
15250 pausing = startingEngine = FALSE;
15251 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15253 DisplayTwoMachinesTitle();
15255 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15260 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15261 SendToProgram(first.computerString, &first);
15262 if (first.sendName) {
15263 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15264 SendToProgram(buf, &first);
15267 SendToProgram(second.computerString, &second);
15268 if (second.sendName) {
15269 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15270 SendToProgram(buf, &second);
15274 if (!first.sendTime || !second.sendTime || move == 0) { // [HGM] first engine changed sides from Reset, so recalc time odds
15276 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15277 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15279 if (onmove->sendTime) {
15280 if (onmove->useColors) {
15281 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15283 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15285 if (onmove->useColors) {
15286 SendToProgram(onmove->twoMachinesColor, onmove);
15288 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15289 // SendToProgram("go\n", onmove);
15290 onmove->maybeThinking = TRUE;
15291 SetMachineThinkingEnables();
15295 if(bookHit) { // [HGM] book: simulate book reply
15296 static char bookMove[MSG_SIZ]; // a bit generous?
15298 programStats.nodes = programStats.depth = programStats.time =
15299 programStats.score = programStats.got_only_move = 0;
15300 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15302 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15303 strcat(bookMove, bookHit);
15304 savedMessage = bookMove; // args for deferred call
15305 savedState = onmove;
15306 ScheduleDelayedEvent(DeferredBookMove, 1);
15313 if (gameMode == Training) {
15314 SetTrainingModeOff();
15315 gameMode = PlayFromGameFile;
15316 DisplayMessage("", _("Training mode off"));
15318 gameMode = Training;
15319 animateTraining = appData.animate;
15321 /* make sure we are not already at the end of the game */
15322 if (currentMove < forwardMostMove) {
15323 SetTrainingModeOn();
15324 DisplayMessage("", _("Training mode on"));
15326 gameMode = PlayFromGameFile;
15327 DisplayError(_("Already at end of game"), 0);
15336 if (!appData.icsActive) return;
15337 switch (gameMode) {
15338 case IcsPlayingWhite:
15339 case IcsPlayingBlack:
15342 case BeginningOfGame:
15350 EditPositionDone(TRUE);
15363 gameMode = IcsIdle;
15373 switch (gameMode) {
15375 SetTrainingModeOff();
15377 case MachinePlaysWhite:
15378 case MachinePlaysBlack:
15379 case BeginningOfGame:
15380 SendToProgram("force\n", &first);
15381 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15382 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15384 abortEngineThink = TRUE;
15385 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15386 SendToProgram(buf, &first);
15387 DisplayMessage("Aborting engine think", "");
15391 SetUserThinkingEnables();
15393 case PlayFromGameFile:
15394 (void) StopLoadGameTimer();
15395 if (gameFileFP != NULL) {
15400 EditPositionDone(TRUE);
15405 SendToProgram("force\n", &first);
15407 case TwoMachinesPlay:
15408 GameEnds(EndOfFile, NULL, GE_PLAYER);
15409 ResurrectChessProgram();
15410 SetUserThinkingEnables();
15413 ResurrectChessProgram();
15415 case IcsPlayingBlack:
15416 case IcsPlayingWhite:
15417 DisplayError(_("Warning: You are still playing a game"), 0);
15420 DisplayError(_("Warning: You are still observing a game"), 0);
15423 DisplayError(_("Warning: You are still examining a game"), 0);
15434 first.offeredDraw = second.offeredDraw = 0;
15436 if (gameMode == PlayFromGameFile) {
15437 whiteTimeRemaining = timeRemaining[0][currentMove];
15438 blackTimeRemaining = timeRemaining[1][currentMove];
15442 if (gameMode == MachinePlaysWhite ||
15443 gameMode == MachinePlaysBlack ||
15444 gameMode == TwoMachinesPlay ||
15445 gameMode == EndOfGame) {
15446 i = forwardMostMove;
15447 while (i > currentMove) {
15448 SendToProgram("undo\n", &first);
15451 if(!adjustedClock) {
15452 whiteTimeRemaining = timeRemaining[0][currentMove];
15453 blackTimeRemaining = timeRemaining[1][currentMove];
15454 DisplayBothClocks();
15456 if (whiteFlag || blackFlag) {
15457 whiteFlag = blackFlag = 0;
15462 gameMode = EditGame;
15468 EditPositionEvent ()
15471 if (gameMode == EditPosition) {
15477 if (gameMode != EditGame) return;
15479 gameMode = EditPosition;
15482 CopyBoard(rightsBoard, nullBoard);
15483 if (currentMove > 0)
15484 CopyBoard(boards[0], boards[currentMove]);
15485 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15486 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15488 blackPlaysFirst = !WhiteOnMove(currentMove);
15490 currentMove = forwardMostMove = backwardMostMove = 0;
15491 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15493 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15499 /* [DM] icsEngineAnalyze - possible call from other functions */
15500 if (appData.icsEngineAnalyze) {
15501 appData.icsEngineAnalyze = FALSE;
15503 DisplayMessage("",_("Close ICS engine analyze..."));
15505 if (first.analysisSupport && first.analyzing) {
15506 SendToBoth("exit\n");
15507 first.analyzing = second.analyzing = FALSE;
15509 thinkOutput[0] = NULLCHAR;
15513 EditPositionDone (Boolean fakeRights)
15515 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15517 startedFromSetupPosition = TRUE;
15518 InitChessProgram(&first, FALSE);
15519 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15521 boards[0][EP_STATUS] = EP_NONE;
15522 for(f=0; f<=nrCastlingRights; f++) boards[0][CASTLING][f] = NoRights;
15523 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // first pass: Kings & e.p.
15524 if(rightsBoard[r][f]) {
15525 ChessSquare p = boards[0][r][f];
15526 if(p == (blackPlaysFirst ? WhitePawn : BlackPawn)) boards[0][EP_STATUS] = f;
15527 else if(p == king) boards[0][CASTLING][2] = f;
15528 else if(p == WHITE_TO_BLACK king) boards[0][CASTLING][5] = f;
15529 else rightsBoard[r][f] = 2; // mark for second pass
15532 for(r=BOARD_HEIGHT-1; r>=0; r--) for(f=BOARD_RGHT-1; f>=BOARD_LEFT; f--) { // second pass: Rooks
15533 if(rightsBoard[r][f] == 2) {
15534 ChessSquare p = boards[0][r][f];
15535 if(p == WhiteRook) boards[0][CASTLING][(f < boards[0][CASTLING][2])] = f; else
15536 if(p == BlackRook) boards[0][CASTLING][(f < boards[0][CASTLING][5])+3] = f;
15540 SendToProgram("force\n", &first);
15541 if (blackPlaysFirst) {
15542 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15543 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15544 currentMove = forwardMostMove = backwardMostMove = 1;
15545 CopyBoard(boards[1], boards[0]);
15547 currentMove = forwardMostMove = backwardMostMove = 0;
15549 SendBoard(&first, forwardMostMove);
15550 if (appData.debugMode) {
15551 fprintf(debugFP, "EditPosDone\n");
15554 DisplayMessage("", "");
15555 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15556 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15557 gameMode = EditGame;
15559 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15560 ClearHighlights(); /* [AS] */
15563 /* Pause for `ms' milliseconds */
15564 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15566 TimeDelay (long ms)
15573 } while (SubtractTimeMarks(&m2, &m1) < ms);
15576 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15578 SendMultiLineToICS (char *buf)
15580 char temp[MSG_SIZ+1], *p;
15587 strncpy(temp, buf, len);
15592 if (*p == '\n' || *p == '\r')
15597 strcat(temp, "\n");
15599 SendToPlayer(temp, strlen(temp));
15603 SetWhiteToPlayEvent ()
15605 if (gameMode == EditPosition) {
15606 blackPlaysFirst = FALSE;
15607 DisplayBothClocks(); /* works because currentMove is 0 */
15608 } else if (gameMode == IcsExamining) {
15609 SendToICS(ics_prefix);
15610 SendToICS("tomove white\n");
15615 SetBlackToPlayEvent ()
15617 if (gameMode == EditPosition) {
15618 blackPlaysFirst = TRUE;
15619 currentMove = 1; /* kludge */
15620 DisplayBothClocks();
15622 } else if (gameMode == IcsExamining) {
15623 SendToICS(ics_prefix);
15624 SendToICS("tomove black\n");
15629 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15632 ChessSquare piece = boards[0][y][x];
15633 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15634 static int lastVariant;
15635 int baseRank = BOARD_HEIGHT-1, hasRights = 0;
15637 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15639 switch (selection) {
15641 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15642 MarkTargetSquares(1);
15643 CopyBoard(currentBoard, boards[0]);
15644 CopyBoard(menuBoard, initialPosition);
15645 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15646 SendToICS(ics_prefix);
15647 SendToICS("bsetup clear\n");
15648 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15649 SendToICS(ics_prefix);
15650 SendToICS("clearboard\n");
15653 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15654 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15655 for (y = 0; y < BOARD_HEIGHT; y++) {
15656 if (gameMode == IcsExamining) {
15657 if (boards[currentMove][y][x] != EmptySquare) {
15658 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15662 } else if(boards[0][y][x] != DarkSquare) {
15663 if(boards[0][y][x] != p) nonEmpty++;
15664 boards[0][y][x] = p;
15668 CopyBoard(rightsBoard, nullBoard);
15669 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15671 for(r = 0; r < BOARD_HEIGHT; r++) {
15672 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15673 ChessSquare p = menuBoard[r][x];
15674 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15677 menuBoard[CASTLING][0] = menuBoard[CASTLING][3] = NoRights; // h-side Rook was deleted
15678 DisplayMessage("Clicking clock again restores position", "");
15679 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15680 if(!nonEmpty) { // asked to clear an empty board
15681 CopyBoard(boards[0], menuBoard);
15683 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15684 CopyBoard(boards[0], initialPosition);
15686 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15687 && !CompareBoards(nullBoard, erasedBoard)) {
15688 CopyBoard(boards[0], erasedBoard);
15690 CopyBoard(erasedBoard, currentBoard);
15692 for(i=0; i<nrCastlingRights; i++) if(boards[0][CASTLING][i] != NoRights)
15693 rightsBoard[castlingRank[i]][boards[0][CASTLING][i]] = 1; // copy remaining rights
15696 if (gameMode == EditPosition) {
15697 DrawPosition(FALSE, boards[0]);
15702 SetWhiteToPlayEvent();
15706 SetBlackToPlayEvent();
15710 if (gameMode == IcsExamining) {
15711 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15712 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15715 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15716 if(x == BOARD_LEFT-2) {
15717 if(y < handSize-1-gameInfo.holdingsSize) break;
15718 boards[0][y][1] = 0;
15720 if(x == BOARD_RGHT+1) {
15721 if(y >= gameInfo.holdingsSize) break;
15722 boards[0][y][BOARD_WIDTH-2] = 0;
15725 boards[0][y][x] = EmptySquare;
15726 DrawPosition(FALSE, boards[0]);
15731 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15732 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15733 selection = (ChessSquare) (PROMOTED(piece));
15734 } else if(piece == EmptySquare) selection = WhiteSilver;
15735 else selection = (ChessSquare)((int)piece - 1);
15739 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15740 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15741 selection = (ChessSquare) (DEMOTED(piece));
15742 } else if(piece == EmptySquare) selection = BlackSilver;
15743 else selection = (ChessSquare)((int)piece + 1);
15748 if(gameInfo.variant == VariantShatranj ||
15749 gameInfo.variant == VariantXiangqi ||
15750 gameInfo.variant == VariantCourier ||
15751 gameInfo.variant == VariantASEAN ||
15752 gameInfo.variant == VariantMakruk )
15753 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15759 if(y == baseRank && (x == BOARD_LEFT || x == BOARD_RGHT-1 || appData.fischerCastling)) hasRights = 1;
15760 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15766 if(gameInfo.variant == VariantXiangqi)
15767 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15768 if(gameInfo.variant == VariantKnightmate)
15769 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15770 if(y == baseRank && (x == BOARD_WIDTH>>1 || appData.fischerCastling)) hasRights = 1;
15773 if (gameMode == IcsExamining) {
15774 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15775 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15776 PieceToChar(selection), AAA + x, ONE + y);
15779 rightsBoard[y][x] = hasRights;
15780 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15782 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15783 n = PieceToNumber(selection - BlackPawn);
15784 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15785 boards[0][handSize-1-n][0] = selection;
15786 boards[0][handSize-1-n][1]++;
15788 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15789 n = PieceToNumber(selection);
15790 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15791 boards[0][n][BOARD_WIDTH-1] = selection;
15792 boards[0][n][BOARD_WIDTH-2]++;
15795 boards[0][y][x] = selection;
15796 DrawPosition(TRUE, boards[0]);
15798 fromX = fromY = -1;
15806 DropMenuEvent (ChessSquare selection, int x, int y)
15808 ChessMove moveType;
15810 switch (gameMode) {
15811 case IcsPlayingWhite:
15812 case MachinePlaysBlack:
15813 if (!WhiteOnMove(currentMove)) {
15814 DisplayMoveError(_("It is Black's turn"));
15817 moveType = WhiteDrop;
15819 case IcsPlayingBlack:
15820 case MachinePlaysWhite:
15821 if (WhiteOnMove(currentMove)) {
15822 DisplayMoveError(_("It is White's turn"));
15825 moveType = BlackDrop;
15828 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15834 if (moveType == BlackDrop && selection < BlackPawn) {
15835 selection = (ChessSquare) ((int) selection
15836 + (int) BlackPawn - (int) WhitePawn);
15838 if (boards[currentMove][y][x] != EmptySquare) {
15839 DisplayMoveError(_("That square is occupied"));
15843 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15849 /* Accept a pending offer of any kind from opponent */
15851 if (appData.icsActive) {
15852 SendToICS(ics_prefix);
15853 SendToICS("accept\n");
15854 } else if (cmailMsgLoaded) {
15855 if (currentMove == cmailOldMove &&
15856 commentList[cmailOldMove] != NULL &&
15857 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15858 "Black offers a draw" : "White offers a draw")) {
15860 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15861 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15863 DisplayError(_("There is no pending offer on this move"), 0);
15864 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15867 /* Not used for offers from chess program */
15874 /* Decline a pending offer of any kind from opponent */
15876 if (appData.icsActive) {
15877 SendToICS(ics_prefix);
15878 SendToICS("decline\n");
15879 } else if (cmailMsgLoaded) {
15880 if (currentMove == cmailOldMove &&
15881 commentList[cmailOldMove] != NULL &&
15882 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15883 "Black offers a draw" : "White offers a draw")) {
15885 AppendComment(cmailOldMove, "Draw declined", TRUE);
15886 DisplayComment(cmailOldMove - 1, "Draw declined");
15889 DisplayError(_("There is no pending offer on this move"), 0);
15892 /* Not used for offers from chess program */
15899 /* Issue ICS rematch command */
15900 if (appData.icsActive) {
15901 SendToICS(ics_prefix);
15902 SendToICS("rematch\n");
15909 /* Call your opponent's flag (claim a win on time) */
15910 if (appData.icsActive) {
15911 SendToICS(ics_prefix);
15912 SendToICS("flag\n");
15914 switch (gameMode) {
15917 case MachinePlaysWhite:
15920 GameEnds(GameIsDrawn, "Both players ran out of time",
15923 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15925 DisplayError(_("Your opponent is not out of time"), 0);
15928 case MachinePlaysBlack:
15931 GameEnds(GameIsDrawn, "Both players ran out of time",
15934 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15936 DisplayError(_("Your opponent is not out of time"), 0);
15944 ClockClick (int which)
15945 { // [HGM] code moved to back-end from winboard.c
15946 if(which) { // black clock
15947 if (gameMode == EditPosition || gameMode == IcsExamining) {
15948 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15949 SetBlackToPlayEvent();
15950 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15951 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15952 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15953 } else if (shiftKey) {
15954 AdjustClock(which, -1);
15955 } else if (gameMode == IcsPlayingWhite ||
15956 gameMode == MachinePlaysBlack) {
15959 } else { // white clock
15960 if (gameMode == EditPosition || gameMode == IcsExamining) {
15961 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15962 SetWhiteToPlayEvent();
15963 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15964 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15965 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15966 } else if (shiftKey) {
15967 AdjustClock(which, -1);
15968 } else if (gameMode == IcsPlayingBlack ||
15969 gameMode == MachinePlaysWhite) {
15978 /* Offer draw or accept pending draw offer from opponent */
15980 if (appData.icsActive) {
15981 /* Note: tournament rules require draw offers to be
15982 made after you make your move but before you punch
15983 your clock. Currently ICS doesn't let you do that;
15984 instead, you immediately punch your clock after making
15985 a move, but you can offer a draw at any time. */
15987 SendToICS(ics_prefix);
15988 SendToICS("draw\n");
15989 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15990 } else if (cmailMsgLoaded) {
15991 if (currentMove == cmailOldMove &&
15992 commentList[cmailOldMove] != NULL &&
15993 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15994 "Black offers a draw" : "White offers a draw")) {
15995 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15996 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15997 } else if (currentMove == cmailOldMove + 1) {
15998 char *offer = WhiteOnMove(cmailOldMove) ?
15999 "White offers a draw" : "Black offers a draw";
16000 AppendComment(currentMove, offer, TRUE);
16001 DisplayComment(currentMove - 1, offer);
16002 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
16004 DisplayError(_("You must make your move before offering a draw"), 0);
16005 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
16007 } else if (first.offeredDraw) {
16008 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
16010 if (first.sendDrawOffers) {
16011 SendToProgram("draw\n", &first);
16012 userOfferedDraw = TRUE;
16020 /* Offer Adjourn or accept pending Adjourn offer from opponent */
16022 if (appData.icsActive) {
16023 SendToICS(ics_prefix);
16024 SendToICS("adjourn\n");
16026 /* Currently GNU Chess doesn't offer or accept Adjourns */
16034 /* Offer Abort or accept pending Abort offer from opponent */
16036 if (appData.icsActive) {
16037 SendToICS(ics_prefix);
16038 SendToICS("abort\n");
16040 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
16047 /* Resign. You can do this even if it's not your turn. */
16049 if (appData.icsActive) {
16050 SendToICS(ics_prefix);
16051 SendToICS("resign\n");
16053 switch (gameMode) {
16054 case MachinePlaysWhite:
16055 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
16057 case MachinePlaysBlack:
16058 GameEnds(BlackWins, "White resigns", GE_PLAYER);
16061 if (cmailMsgLoaded) {
16063 if (WhiteOnMove(cmailOldMove)) {
16064 GameEnds(BlackWins, "White resigns", GE_PLAYER);
16066 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
16068 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
16079 StopObservingEvent ()
16081 /* Stop observing current games */
16082 SendToICS(ics_prefix);
16083 SendToICS("unobserve\n");
16087 StopExaminingEvent ()
16089 /* Stop observing current game */
16090 SendToICS(ics_prefix);
16091 SendToICS("unexamine\n");
16095 ForwardInner (int target)
16097 int limit; int oldSeekGraphUp = seekGraphUp;
16099 if (appData.debugMode)
16100 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
16101 target, currentMove, forwardMostMove);
16103 if (gameMode == EditPosition)
16106 seekGraphUp = FALSE;
16107 MarkTargetSquares(1);
16108 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16110 if (gameMode == PlayFromGameFile && !pausing)
16113 if (gameMode == IcsExamining && pausing)
16114 limit = pauseExamForwardMostMove;
16116 limit = forwardMostMove;
16118 if (target > limit) target = limit;
16120 if (target > 0 && moveList[target - 1][0]) {
16121 int fromX, fromY, toX, toY;
16122 toX = moveList[target - 1][2] - AAA;
16123 toY = moveList[target - 1][3] - ONE;
16124 if (moveList[target - 1][1] == '@') {
16125 if (appData.highlightLastMove) {
16126 SetHighlights(-1, -1, toX, toY);
16129 fromX = moveList[target - 1][0] - AAA;
16130 fromY = moveList[target - 1][1] - ONE;
16131 if (target == currentMove + 1) {
16132 if(moveList[target - 1][4] == ';') { // multi-leg
16133 killX = moveList[target - 1][5] - AAA;
16134 killY = moveList[target - 1][6] - ONE;
16136 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
16137 killX = killY = -1;
16139 if (appData.highlightLastMove) {
16140 SetHighlights(fromX, fromY, toX, toY);
16144 if (gameMode == EditGame || gameMode == AnalyzeMode ||
16145 gameMode == Training || gameMode == PlayFromGameFile ||
16146 gameMode == AnalyzeFile) {
16147 while (currentMove < target) {
16148 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16149 SendMoveToProgram(currentMove++, &first);
16152 currentMove = target;
16155 if (gameMode == EditGame || gameMode == EndOfGame) {
16156 whiteTimeRemaining = timeRemaining[0][currentMove];
16157 blackTimeRemaining = timeRemaining[1][currentMove];
16159 DisplayBothClocks();
16160 DisplayMove(currentMove - 1);
16161 DrawPosition(oldSeekGraphUp, boards[currentMove]);
16162 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16163 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
16164 DisplayComment(currentMove - 1, commentList[currentMove]);
16166 ClearMap(); // [HGM] exclude: invalidate map
16173 if (gameMode == IcsExamining && !pausing) {
16174 SendToICS(ics_prefix);
16175 SendToICS("forward\n");
16177 ForwardInner(currentMove + 1);
16184 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16185 /* to optimze, we temporarily turn off analysis mode while we feed
16186 * the remaining moves to the engine. Otherwise we get analysis output
16189 if (first.analysisSupport) {
16190 SendToProgram("exit\nforce\n", &first);
16191 first.analyzing = FALSE;
16195 if (gameMode == IcsExamining && !pausing) {
16196 SendToICS(ics_prefix);
16197 SendToICS("forward 999999\n");
16199 ForwardInner(forwardMostMove);
16202 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16203 /* we have fed all the moves, so reactivate analysis mode */
16204 SendToProgram("analyze\n", &first);
16205 first.analyzing = TRUE;
16206 /*first.maybeThinking = TRUE;*/
16207 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16212 BackwardInner (int target)
16214 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
16216 if (appData.debugMode)
16217 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
16218 target, currentMove, forwardMostMove);
16220 if (gameMode == EditPosition) return;
16221 seekGraphUp = FALSE;
16222 MarkTargetSquares(1);
16223 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
16224 if (currentMove <= backwardMostMove) {
16226 DrawPosition(full_redraw, boards[currentMove]);
16229 if (gameMode == PlayFromGameFile && !pausing)
16232 if (moveList[target][0]) {
16233 int fromX, fromY, toX, toY;
16234 toX = moveList[target][2] - AAA;
16235 toY = moveList[target][3] - ONE;
16236 if (moveList[target][1] == '@') {
16237 if (appData.highlightLastMove) {
16238 SetHighlights(-1, -1, toX, toY);
16241 fromX = moveList[target][0] - AAA;
16242 fromY = moveList[target][1] - ONE;
16243 if (target == currentMove - 1) {
16244 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
16246 if (appData.highlightLastMove) {
16247 SetHighlights(fromX, fromY, toX, toY);
16251 if (gameMode == EditGame || gameMode==AnalyzeMode ||
16252 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
16253 while (currentMove > target) {
16254 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
16255 // null move cannot be undone. Reload program with move history before it.
16257 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
16258 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
16260 SendBoard(&first, i);
16261 if(second.analyzing) SendBoard(&second, i);
16262 for(currentMove=i; currentMove<target; currentMove++) {
16263 SendMoveToProgram(currentMove, &first);
16264 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16268 SendToBoth("undo\n");
16272 currentMove = target;
16275 if (gameMode == EditGame || gameMode == EndOfGame) {
16276 whiteTimeRemaining = timeRemaining[0][currentMove];
16277 blackTimeRemaining = timeRemaining[1][currentMove];
16279 DisplayBothClocks();
16280 DisplayMove(currentMove - 1);
16281 DrawPosition(full_redraw, boards[currentMove]);
16282 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16283 // [HGM] PV info: routine tests if comment empty
16284 DisplayComment(currentMove - 1, commentList[currentMove]);
16285 ClearMap(); // [HGM] exclude: invalidate map
16291 if (gameMode == IcsExamining && !pausing) {
16292 SendToICS(ics_prefix);
16293 SendToICS("backward\n");
16295 BackwardInner(currentMove - 1);
16302 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16303 /* to optimize, we temporarily turn off analysis mode while we undo
16304 * all the moves. Otherwise we get analysis output after each undo.
16306 if (first.analysisSupport) {
16307 SendToProgram("exit\nforce\n", &first);
16308 first.analyzing = FALSE;
16312 if (gameMode == IcsExamining && !pausing) {
16313 SendToICS(ics_prefix);
16314 SendToICS("backward 999999\n");
16316 BackwardInner(backwardMostMove);
16319 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16320 /* we have fed all the moves, so reactivate analysis mode */
16321 SendToProgram("analyze\n", &first);
16322 first.analyzing = TRUE;
16323 /*first.maybeThinking = TRUE;*/
16324 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16331 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16332 if (to >= forwardMostMove) to = forwardMostMove;
16333 if (to <= backwardMostMove) to = backwardMostMove;
16334 if (to < currentMove) {
16342 RevertEvent (Boolean annotate)
16344 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16347 if (gameMode != IcsExamining) {
16348 DisplayError(_("You are not examining a game"), 0);
16352 DisplayError(_("You can't revert while pausing"), 0);
16355 SendToICS(ics_prefix);
16356 SendToICS("revert\n");
16360 RetractMoveEvent ()
16362 switch (gameMode) {
16363 case MachinePlaysWhite:
16364 case MachinePlaysBlack:
16365 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16366 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16369 if (forwardMostMove < 2) return;
16370 currentMove = forwardMostMove = forwardMostMove - 2;
16371 whiteTimeRemaining = timeRemaining[0][currentMove];
16372 blackTimeRemaining = timeRemaining[1][currentMove];
16373 DisplayBothClocks();
16374 DisplayMove(currentMove - 1);
16375 ClearHighlights();/*!! could figure this out*/
16376 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16377 SendToProgram("remove\n", &first);
16378 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16381 case BeginningOfGame:
16385 case IcsPlayingWhite:
16386 case IcsPlayingBlack:
16387 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16388 SendToICS(ics_prefix);
16389 SendToICS("takeback 2\n");
16391 SendToICS(ics_prefix);
16392 SendToICS("takeback 1\n");
16401 ChessProgramState *cps;
16403 switch (gameMode) {
16404 case MachinePlaysWhite:
16405 if (!WhiteOnMove(forwardMostMove)) {
16406 DisplayError(_("It is your turn"), 0);
16411 case MachinePlaysBlack:
16412 if (WhiteOnMove(forwardMostMove)) {
16413 DisplayError(_("It is your turn"), 0);
16418 case TwoMachinesPlay:
16419 if (WhiteOnMove(forwardMostMove) ==
16420 (first.twoMachinesColor[0] == 'w')) {
16426 case BeginningOfGame:
16430 SendToProgram("?\n", cps);
16434 TruncateGameEvent ()
16437 if (gameMode != EditGame) return;
16444 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16445 if (forwardMostMove > currentMove) {
16446 if (gameInfo.resultDetails != NULL) {
16447 free(gameInfo.resultDetails);
16448 gameInfo.resultDetails = NULL;
16449 gameInfo.result = GameUnfinished;
16451 forwardMostMove = currentMove;
16452 HistorySet(parseList, backwardMostMove, forwardMostMove,
16460 if (appData.noChessProgram) return;
16461 switch (gameMode) {
16462 case MachinePlaysWhite:
16463 if (WhiteOnMove(forwardMostMove)) {
16464 DisplayError(_("Wait until your turn."), 0);
16468 case BeginningOfGame:
16469 case MachinePlaysBlack:
16470 if (!WhiteOnMove(forwardMostMove)) {
16471 DisplayError(_("Wait until your turn."), 0);
16476 DisplayError(_("No hint available"), 0);
16479 SendToProgram("hint\n", &first);
16480 hintRequested = TRUE;
16484 SaveSelected (FILE *g, int dummy, char *dummy2)
16486 ListGame * lg = (ListGame *) gameList.head;
16490 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16491 DisplayError(_("Game list not loaded or empty"), 0);
16495 creatingBook = TRUE; // suppresses stuff during load game
16497 /* Get list size */
16498 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16499 if(lg->position >= 0) { // selected?
16500 LoadGame(f, nItem, "", TRUE);
16501 SaveGamePGN2(g); // leaves g open
16504 lg = (ListGame *) lg->node.succ;
16508 creatingBook = FALSE;
16516 ListGame * lg = (ListGame *) gameList.head;
16519 static int secondTime = FALSE;
16521 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16522 DisplayError(_("Game list not loaded or empty"), 0);
16526 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16529 DisplayNote(_("Book file exists! Try again for overwrite."));
16533 creatingBook = TRUE;
16534 secondTime = FALSE;
16536 /* Get list size */
16537 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16538 if(lg->position >= 0) {
16539 LoadGame(f, nItem, "", TRUE);
16540 AddGameToBook(TRUE);
16543 lg = (ListGame *) lg->node.succ;
16546 creatingBook = FALSE;
16553 if (appData.noChessProgram) return;
16554 switch (gameMode) {
16555 case MachinePlaysWhite:
16556 if (WhiteOnMove(forwardMostMove)) {
16557 DisplayError(_("Wait until your turn."), 0);
16561 case BeginningOfGame:
16562 case MachinePlaysBlack:
16563 if (!WhiteOnMove(forwardMostMove)) {
16564 DisplayError(_("Wait until your turn."), 0);
16569 EditPositionDone(TRUE);
16571 case TwoMachinesPlay:
16576 SendToProgram("bk\n", &first);
16577 bookOutput[0] = NULLCHAR;
16578 bookRequested = TRUE;
16584 char *tags = PGNTags(&gameInfo);
16585 TagsPopUp(tags, CmailMsg());
16589 /* end button procedures */
16592 PrintPosition (FILE *fp, int move)
16596 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16597 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16598 char c = PieceToChar(boards[move][i][j]);
16599 fputc(c == '?' ? '.' : c, fp);
16600 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16603 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16604 fprintf(fp, "white to play\n");
16606 fprintf(fp, "black to play\n");
16610 PrintOpponents (FILE *fp)
16612 if (gameInfo.white != NULL) {
16613 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16619 /* Find last component of program's own name, using some heuristics */
16621 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16624 int local = (strcmp(host, "localhost") == 0);
16625 while (!local && (p = strchr(prog, ';')) != NULL) {
16627 while (*p == ' ') p++;
16630 if (*prog == '"' || *prog == '\'') {
16631 q = strchr(prog + 1, *prog);
16633 q = strchr(prog, ' ');
16635 if (q == NULL) q = prog + strlen(prog);
16637 while (p >= prog && *p != '/' && *p != '\\') p--;
16639 if(p == prog && *p == '"') p++;
16641 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16642 memcpy(buf, p, q - p);
16643 buf[q - p] = NULLCHAR;
16651 TimeControlTagValue ()
16654 if (!appData.clockMode) {
16655 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16656 } else if (movesPerSession > 0) {
16657 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16658 } else if (timeIncrement == 0) {
16659 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16661 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16663 return StrSave(buf);
16669 /* This routine is used only for certain modes */
16670 VariantClass v = gameInfo.variant;
16671 ChessMove r = GameUnfinished;
16674 if(keepInfo) return;
16676 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16677 r = gameInfo.result;
16678 p = gameInfo.resultDetails;
16679 gameInfo.resultDetails = NULL;
16681 ClearGameInfo(&gameInfo);
16682 gameInfo.variant = v;
16684 switch (gameMode) {
16685 case MachinePlaysWhite:
16686 gameInfo.event = StrSave( appData.pgnEventHeader );
16687 gameInfo.site = StrSave(HostName());
16688 gameInfo.date = PGNDate();
16689 gameInfo.round = StrSave("-");
16690 gameInfo.white = StrSave(first.tidy);
16691 gameInfo.black = StrSave(UserName());
16692 gameInfo.timeControl = TimeControlTagValue();
16695 case MachinePlaysBlack:
16696 gameInfo.event = StrSave( appData.pgnEventHeader );
16697 gameInfo.site = StrSave(HostName());
16698 gameInfo.date = PGNDate();
16699 gameInfo.round = StrSave("-");
16700 gameInfo.white = StrSave(UserName());
16701 gameInfo.black = StrSave(first.tidy);
16702 gameInfo.timeControl = TimeControlTagValue();
16705 case TwoMachinesPlay:
16706 gameInfo.event = StrSave( appData.pgnEventHeader );
16707 gameInfo.site = StrSave(HostName());
16708 gameInfo.date = PGNDate();
16711 snprintf(buf, MSG_SIZ, "%d", roundNr);
16712 gameInfo.round = StrSave(buf);
16714 gameInfo.round = StrSave("-");
16716 if (first.twoMachinesColor[0] == 'w') {
16717 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16718 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16720 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16721 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16723 gameInfo.timeControl = TimeControlTagValue();
16727 gameInfo.event = StrSave("Edited game");
16728 gameInfo.site = StrSave(HostName());
16729 gameInfo.date = PGNDate();
16730 gameInfo.round = StrSave("-");
16731 gameInfo.white = StrSave("-");
16732 gameInfo.black = StrSave("-");
16733 gameInfo.result = r;
16734 gameInfo.resultDetails = p;
16738 gameInfo.event = StrSave("Edited position");
16739 gameInfo.site = StrSave(HostName());
16740 gameInfo.date = PGNDate();
16741 gameInfo.round = StrSave("-");
16742 gameInfo.white = StrSave("-");
16743 gameInfo.black = StrSave("-");
16746 case IcsPlayingWhite:
16747 case IcsPlayingBlack:
16752 case PlayFromGameFile:
16753 gameInfo.event = StrSave("Game from non-PGN file");
16754 gameInfo.site = StrSave(HostName());
16755 gameInfo.date = PGNDate();
16756 gameInfo.round = StrSave("-");
16757 gameInfo.white = StrSave("?");
16758 gameInfo.black = StrSave("?");
16767 ReplaceComment (int index, char *text)
16773 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16774 pvInfoList[index-1].depth == len &&
16775 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16776 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16777 while (*text == '\n') text++;
16778 len = strlen(text);
16779 while (len > 0 && text[len - 1] == '\n') len--;
16781 if (commentList[index] != NULL)
16782 free(commentList[index]);
16785 commentList[index] = NULL;
16788 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16789 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16790 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16791 commentList[index] = (char *) malloc(len + 2);
16792 strncpy(commentList[index], text, len);
16793 commentList[index][len] = '\n';
16794 commentList[index][len + 1] = NULLCHAR;
16796 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16798 commentList[index] = (char *) malloc(len + 7);
16799 safeStrCpy(commentList[index], "{\n", 3);
16800 safeStrCpy(commentList[index]+2, text, len+1);
16801 commentList[index][len+2] = NULLCHAR;
16802 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16803 strcat(commentList[index], "\n}\n");
16808 CrushCRs (char *text)
16816 if (ch == '\r') continue;
16818 } while (ch != '\0');
16822 AppendComment (int index, char *text, Boolean addBraces)
16823 /* addBraces tells if we should add {} */
16828 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16829 if(addBraces == 3) addBraces = 0; else // force appending literally
16830 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16833 while (*text == '\n') text++;
16834 len = strlen(text);
16835 while (len > 0 && text[len - 1] == '\n') len--;
16836 text[len] = NULLCHAR;
16838 if (len == 0) return;
16840 if (commentList[index] != NULL) {
16841 Boolean addClosingBrace = addBraces;
16842 old = commentList[index];
16843 oldlen = strlen(old);
16844 while(commentList[index][oldlen-1] == '\n')
16845 commentList[index][--oldlen] = NULLCHAR;
16846 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16847 safeStrCpy(commentList[index], old, oldlen + len + 6);
16849 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16850 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16851 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16852 while (*text == '\n') { text++; len--; }
16853 commentList[index][--oldlen] = NULLCHAR;
16855 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16856 else strcat(commentList[index], "\n");
16857 strcat(commentList[index], text);
16858 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16859 else strcat(commentList[index], "\n");
16861 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16863 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16864 else commentList[index][0] = NULLCHAR;
16865 strcat(commentList[index], text);
16866 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16867 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16872 FindStr (char * text, char * sub_text)
16874 char * result = strstr( text, sub_text );
16876 if( result != NULL ) {
16877 result += strlen( sub_text );
16883 /* [AS] Try to extract PV info from PGN comment */
16884 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16886 GetInfoFromComment (int index, char * text)
16888 char * sep = text, *p;
16890 if( text != NULL && index > 0 ) {
16893 int time = -1, sec = 0, deci;
16894 char * s_eval = FindStr( text, "[%eval " );
16895 char * s_emt = FindStr( text, "[%emt " );
16897 if( s_eval != NULL || s_emt != NULL ) {
16899 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16904 if( s_eval != NULL ) {
16905 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16909 if( delim != ']' ) {
16914 if( s_emt != NULL ) {
16919 /* We expect something like: [+|-]nnn.nn/dd */
16922 if(*text != '{') return text; // [HGM] braces: must be normal comment
16924 sep = strchr( text, '/' );
16925 if( sep == NULL || sep < (text+4) ) {
16930 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16931 if(p[1] == '(') { // comment starts with PV
16932 p = strchr(p, ')'); // locate end of PV
16933 if(p == NULL || sep < p+5) return text;
16934 // at this point we have something like "{(.*) +0.23/6 ..."
16935 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16936 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16937 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16939 time = -1; sec = -1; deci = -1;
16940 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16941 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16942 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16943 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16947 if( score_lo < 0 || score_lo >= 100 ) {
16951 if(sec >= 0) time = 600*time + 10*sec; else
16952 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16954 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16956 /* [HGM] PV time: now locate end of PV info */
16957 while( *++sep >= '0' && *sep <= '9'); // strip depth
16959 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16961 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16963 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16964 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16975 pvInfoList[index-1].depth = depth;
16976 pvInfoList[index-1].score = score;
16977 pvInfoList[index-1].time = 10*time; // centi-sec
16978 if(*sep == '}') *sep = 0; else *--sep = '{';
16980 while(*p++ = *sep++)
16983 } // squeeze out space between PV and comment, and return both
16989 SendToProgram (char *message, ChessProgramState *cps)
16991 int count, outCount, error;
16994 if (cps->pr == NoProc) return;
16997 if (appData.debugMode) {
17000 fprintf(debugFP, "%ld >%-6s: %s",
17001 SubtractTimeMarks(&now, &programStartTime),
17002 cps->which, message);
17004 fprintf(serverFP, "%ld >%-6s: %s",
17005 SubtractTimeMarks(&now, &programStartTime),
17006 cps->which, message), fflush(serverFP);
17009 count = strlen(message);
17010 outCount = OutputToProcess(cps->pr, message, count, &error);
17011 if (outCount < count && !exiting
17012 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
17013 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
17014 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
17015 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
17016 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
17017 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
17018 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
17019 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
17021 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
17022 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
17023 gameInfo.result = res;
17025 gameInfo.resultDetails = StrSave(buf);
17027 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
17028 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
17033 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
17037 ChessProgramState *cps = (ChessProgramState *)closure;
17039 if (isr != cps->isr) return; /* Killed intentionally */
17042 RemoveInputSource(cps->isr);
17043 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
17044 _(cps->which), cps->program);
17045 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
17046 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
17047 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
17048 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
17049 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
17050 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
17052 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
17053 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
17054 gameInfo.result = res;
17056 gameInfo.resultDetails = StrSave(buf);
17058 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
17059 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
17061 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
17062 _(cps->which), cps->program);
17063 RemoveInputSource(cps->isr);
17065 /* [AS] Program is misbehaving badly... kill it */
17066 if( count == -2 ) {
17067 DestroyChildProcess( cps->pr, 9 );
17071 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
17076 if ((end_str = strchr(message, '\r')) != NULL)
17077 *end_str = NULLCHAR;
17078 if ((end_str = strchr(message, '\n')) != NULL)
17079 *end_str = NULLCHAR;
17081 if (appData.debugMode) {
17082 TimeMark now; int print = 1;
17083 char *quote = ""; char c; int i;
17085 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
17086 char start = message[0];
17087 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
17088 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
17089 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
17090 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
17091 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
17092 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
17093 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
17094 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
17095 sscanf(message, "hint: %c", &c)!=1 &&
17096 sscanf(message, "pong %c", &c)!=1 && start != '#') {
17097 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
17098 print = (appData.engineComments >= 2);
17100 message[0] = start; // restore original message
17104 fprintf(debugFP, "%ld <%-6s: %s%s\n",
17105 SubtractTimeMarks(&now, &programStartTime), cps->which,
17109 fprintf(serverFP, "%ld <%-6s: %s%s\n",
17110 SubtractTimeMarks(&now, &programStartTime), cps->which,
17112 message), fflush(serverFP);
17116 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
17117 if (appData.icsEngineAnalyze) {
17118 if (strstr(message, "whisper") != NULL ||
17119 strstr(message, "kibitz") != NULL ||
17120 strstr(message, "tellics") != NULL) return;
17123 HandleMachineMove(message, cps);
17128 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
17133 if( timeControl_2 > 0 ) {
17134 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
17135 tc = timeControl_2;
17138 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
17139 inc /= cps->timeOdds;
17140 st /= cps->timeOdds;
17142 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
17145 /* Set exact time per move, normally using st command */
17146 if (cps->stKludge) {
17147 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
17149 if (seconds == 0) {
17150 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
17152 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
17155 snprintf(buf, MSG_SIZ, "st %d\n", st);
17158 /* Set conventional or incremental time control, using level command */
17159 if (seconds == 0) {
17160 /* Note old gnuchess bug -- minutes:seconds used to not work.
17161 Fixed in later versions, but still avoid :seconds
17162 when seconds is 0. */
17163 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
17165 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
17166 seconds, inc/1000.);
17169 SendToProgram(buf, cps);
17171 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
17172 /* Orthogonally, limit search to given depth */
17174 if (cps->sdKludge) {
17175 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
17177 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
17179 SendToProgram(buf, cps);
17182 if(cps->nps >= 0) { /* [HGM] nps */
17183 if(cps->supportsNPS == FALSE)
17184 cps->nps = -1; // don't use if engine explicitly says not supported!
17186 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
17187 SendToProgram(buf, cps);
17192 ChessProgramState *
17194 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
17196 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
17197 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
17203 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
17205 char message[MSG_SIZ];
17208 /* Note: this routine must be called when the clocks are stopped
17209 or when they have *just* been set or switched; otherwise
17210 it will be off by the time since the current tick started.
17212 if (machineWhite) {
17213 time = whiteTimeRemaining / 10;
17214 otime = blackTimeRemaining / 10;
17216 time = blackTimeRemaining / 10;
17217 otime = whiteTimeRemaining / 10;
17219 /* [HGM] translate opponent's time by time-odds factor */
17220 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
17222 if (time <= 0) time = 1;
17223 if (otime <= 0) otime = 1;
17225 snprintf(message, MSG_SIZ, "time %ld\n", time);
17226 SendToProgram(message, cps);
17228 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
17229 SendToProgram(message, cps);
17233 EngineDefinedVariant (ChessProgramState *cps, int n)
17234 { // return name of n-th unknown variant that engine supports
17235 static char buf[MSG_SIZ];
17236 char *p, *s = cps->variants;
17237 if(!s) return NULL;
17238 do { // parse string from variants feature
17240 p = strchr(s, ',');
17241 if(p) *p = NULLCHAR;
17242 v = StringToVariant(s);
17243 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
17244 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
17245 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
17246 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
17247 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
17248 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
17249 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
17252 if(n < 0) return buf;
17258 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17261 int len = strlen(name);
17264 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17266 sscanf(*p, "%d", &val);
17268 while (**p && **p != ' ')
17270 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17271 SendToProgram(buf, cps);
17278 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17281 int len = strlen(name);
17282 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17284 sscanf(*p, "%d", loc);
17285 while (**p && **p != ' ') (*p)++;
17286 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17287 SendToProgram(buf, cps);
17294 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17297 int len = strlen(name);
17298 if (strncmp((*p), name, len) == 0
17299 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17301 len = strlen(*p) + 1; if(len < MSG_SIZ && !strcmp(name, "option")) len = MSG_SIZ; // make sure string options have enough space to change their value
17302 FREE(*loc); *loc = malloc(len);
17303 strncpy(*loc, *p, len);
17304 sscanf(*p, "%[^\"]", *loc); // should always fit, because we allocated at least strlen(*p)
17305 while (**p && **p != '\"') (*p)++;
17306 if (**p == '\"') (*p)++;
17307 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17308 SendToProgram(buf, cps);
17315 ParseOption (Option *opt, ChessProgramState *cps)
17316 // [HGM] options: process the string that defines an engine option, and determine
17317 // name, type, default value, and allowed value range
17319 char *p, *q, buf[MSG_SIZ];
17320 int n, min = (-1)<<31, max = 1<<31, def;
17322 opt->target = &opt->value; // OK for spin/slider and checkbox
17323 if(p = strstr(opt->name, " -spin ")) {
17324 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17325 if(max < min) max = min; // enforce consistency
17326 if(def < min) def = min;
17327 if(def > max) def = max;
17332 } else if((p = strstr(opt->name, " -slider "))) {
17333 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17334 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17335 if(max < min) max = min; // enforce consistency
17336 if(def < min) def = min;
17337 if(def > max) def = max;
17341 opt->type = Spin; // Slider;
17342 } else if((p = strstr(opt->name, " -string "))) {
17343 opt->textValue = p+9;
17344 opt->type = TextBox;
17345 opt->target = &opt->textValue;
17346 } else if((p = strstr(opt->name, " -file "))) {
17347 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17348 opt->target = opt->textValue = p+7;
17349 opt->type = FileName; // FileName;
17350 opt->target = &opt->textValue;
17351 } else if((p = strstr(opt->name, " -path "))) {
17352 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17353 opt->target = opt->textValue = p+7;
17354 opt->type = PathName; // PathName;
17355 opt->target = &opt->textValue;
17356 } else if(p = strstr(opt->name, " -check ")) {
17357 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17358 opt->value = (def != 0);
17359 opt->type = CheckBox;
17360 } else if(p = strstr(opt->name, " -combo ")) {
17361 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17362 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17363 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17364 opt->value = n = 0;
17365 while(q = StrStr(q, " /// ")) {
17366 n++; *q = 0; // count choices, and null-terminate each of them
17368 if(*q == '*') { // remember default, which is marked with * prefix
17372 cps->comboList[cps->comboCnt++] = q;
17374 cps->comboList[cps->comboCnt++] = NULL;
17376 opt->type = ComboBox;
17377 } else if(p = strstr(opt->name, " -button")) {
17378 opt->type = Button;
17379 } else if(p = strstr(opt->name, " -save")) {
17380 opt->type = SaveButton;
17381 } else return FALSE;
17382 *p = 0; // terminate option name
17383 *(int*) (opt->name + MSG_SIZ - 104) = opt->value; // hide default values somewhere
17384 if(opt->target == &opt->textValue) strncpy(opt->name + MSG_SIZ - 100, opt->textValue, 99);
17385 // now look if the command-line options define a setting for this engine option.
17386 if(cps->optionSettings && cps->optionSettings[0])
17387 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17388 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17389 snprintf(buf, MSG_SIZ, "option %s", p);
17390 if(p = strstr(buf, ",")) *p = 0;
17391 if(q = strchr(buf, '=')) switch(opt->type) {
17393 for(n=0; n<opt->max; n++)
17394 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17399 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17403 opt->value = atoi(q+1);
17408 SendToProgram(buf, cps);
17414 FeatureDone (ChessProgramState *cps, int val)
17416 DelayedEventCallback cb = GetDelayedEvent();
17417 if ((cb == InitBackEnd3 && cps == &first) ||
17418 (cb == SettingsMenuIfReady && cps == &second) ||
17419 (cb == LoadEngine) || (cb == StartSecond) ||
17420 (cb == TwoMachinesEventIfReady)) {
17421 CancelDelayedEvent();
17422 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17423 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17424 cps->initDone = val;
17425 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17428 /* Parse feature command from engine */
17430 ParseFeatures (char *args, ChessProgramState *cps)
17438 while (*p == ' ') p++;
17439 if (*p == NULLCHAR) return;
17441 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17442 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17443 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17444 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17445 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17446 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17447 if (BoolFeature(&p, "reuse", &val, cps)) {
17448 /* Engine can disable reuse, but can't enable it if user said no */
17449 if (!val) cps->reuse = FALSE;
17452 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17453 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17454 if (gameMode == TwoMachinesPlay) {
17455 DisplayTwoMachinesTitle();
17461 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17462 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17463 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17464 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17465 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17466 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17467 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17468 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17469 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17470 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17471 if (IntFeature(&p, "done", &val, cps)) {
17472 FeatureDone(cps, val);
17475 /* Added by Tord: */
17476 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17477 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17478 /* End of additions by Tord */
17480 /* [HGM] added features: */
17481 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17482 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17483 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17484 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17485 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17486 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17487 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17488 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17489 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17490 if(cps->nrOptions == 0) { ASSIGN(cps->option[0].name, _("Make Persistent -save")); ParseOption(&(cps->option[cps->nrOptions++]), cps); }
17491 FREE(cps->option[cps->nrOptions].name);
17492 cps->option[cps->nrOptions].name = q; q = NULL;
17493 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17494 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17495 SendToProgram(buf, cps);
17498 if(cps->nrOptions >= MAX_OPTIONS) {
17500 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17501 DisplayError(buf, 0);
17505 /* End of additions by HGM */
17507 /* unknown feature: complain and skip */
17509 while (*q && *q != '=') q++;
17510 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17511 SendToProgram(buf, cps);
17517 while (*p && *p != '\"') p++;
17518 if (*p == '\"') p++;
17520 while (*p && *p != ' ') p++;
17528 PeriodicUpdatesEvent (int newState)
17530 if (newState == appData.periodicUpdates)
17533 appData.periodicUpdates=newState;
17535 /* Display type changes, so update it now */
17536 // DisplayAnalysis();
17538 /* Get the ball rolling again... */
17540 AnalysisPeriodicEvent(1);
17541 StartAnalysisClock();
17546 PonderNextMoveEvent (int newState)
17548 if (newState == appData.ponderNextMove) return;
17549 if (gameMode == EditPosition) EditPositionDone(TRUE);
17551 SendToProgram("hard\n", &first);
17552 if (gameMode == TwoMachinesPlay) {
17553 SendToProgram("hard\n", &second);
17556 SendToProgram("easy\n", &first);
17557 thinkOutput[0] = NULLCHAR;
17558 if (gameMode == TwoMachinesPlay) {
17559 SendToProgram("easy\n", &second);
17562 appData.ponderNextMove = newState;
17566 NewSettingEvent (int option, int *feature, char *command, int value)
17570 if (gameMode == EditPosition) EditPositionDone(TRUE);
17571 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17572 if(feature == NULL || *feature) SendToProgram(buf, &first);
17573 if (gameMode == TwoMachinesPlay) {
17574 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17579 ShowThinkingEvent ()
17580 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17582 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17583 int newState = appData.showThinking
17584 // [HGM] thinking: other features now need thinking output as well
17585 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17587 if (oldState == newState) return;
17588 oldState = newState;
17589 if (gameMode == EditPosition) EditPositionDone(TRUE);
17591 SendToProgram("post\n", &first);
17592 if (gameMode == TwoMachinesPlay) {
17593 SendToProgram("post\n", &second);
17596 SendToProgram("nopost\n", &first);
17597 thinkOutput[0] = NULLCHAR;
17598 if (gameMode == TwoMachinesPlay) {
17599 SendToProgram("nopost\n", &second);
17602 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17606 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17608 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17609 if (pr == NoProc) return;
17610 AskQuestion(title, question, replyPrefix, pr);
17614 TypeInEvent (char firstChar)
17616 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17617 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17618 gameMode == AnalyzeMode || gameMode == EditGame ||
17619 gameMode == EditPosition || gameMode == IcsExamining ||
17620 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17621 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17622 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17623 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17624 gameMode == Training) PopUpMoveDialog(firstChar);
17628 TypeInDoneEvent (char *move)
17631 int n, fromX, fromY, toX, toY;
17633 ChessMove moveType;
17636 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17637 EditPositionPasteFEN(move);
17640 // [HGM] movenum: allow move number to be typed in any mode
17641 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17645 // undocumented kludge: allow command-line option to be typed in!
17646 // (potentially fatal, and does not implement the effect of the option.)
17647 // should only be used for options that are values on which future decisions will be made,
17648 // and definitely not on options that would be used during initialization.
17649 if(strstr(move, "!!! -") == move) {
17650 ParseArgsFromString(move+4);
17654 if (gameMode != EditGame && currentMove != forwardMostMove &&
17655 gameMode != Training) {
17656 DisplayMoveError(_("Displayed move is not current"));
17658 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17659 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17660 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17661 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17662 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17663 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17665 DisplayMoveError(_("Could not parse move"));
17671 DisplayMove (int moveNumber)
17673 char message[MSG_SIZ];
17675 char cpThinkOutput[MSG_SIZ];
17677 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17679 if (moveNumber == forwardMostMove - 1 ||
17680 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17682 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17684 if (strchr(cpThinkOutput, '\n')) {
17685 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17688 *cpThinkOutput = NULLCHAR;
17691 /* [AS] Hide thinking from human user */
17692 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17693 *cpThinkOutput = NULLCHAR;
17694 if( thinkOutput[0] != NULLCHAR ) {
17697 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17698 cpThinkOutput[i] = '.';
17700 cpThinkOutput[i] = NULLCHAR;
17701 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17705 if (moveNumber == forwardMostMove - 1 &&
17706 gameInfo.resultDetails != NULL) {
17707 if (gameInfo.resultDetails[0] == NULLCHAR) {
17708 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17710 snprintf(res, MSG_SIZ, " {%s} %s",
17711 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17717 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17718 DisplayMessage(res, cpThinkOutput);
17720 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17721 WhiteOnMove(moveNumber) ? " " : ".. ",
17722 parseList[moveNumber], res);
17723 DisplayMessage(message, cpThinkOutput);
17728 DisplayComment (int moveNumber, char *text)
17730 char title[MSG_SIZ];
17732 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17733 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17735 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17736 WhiteOnMove(moveNumber) ? " " : ".. ",
17737 parseList[moveNumber]);
17739 if (text != NULL && (appData.autoDisplayComment || commentUp))
17740 CommentPopUp(title, text);
17743 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17744 * might be busy thinking or pondering. It can be omitted if your
17745 * gnuchess is configured to stop thinking immediately on any user
17746 * input. However, that gnuchess feature depends on the FIONREAD
17747 * ioctl, which does not work properly on some flavors of Unix.
17750 Attention (ChessProgramState *cps)
17753 if (!cps->useSigint) return;
17754 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17755 switch (gameMode) {
17756 case MachinePlaysWhite:
17757 case MachinePlaysBlack:
17758 case TwoMachinesPlay:
17759 case IcsPlayingWhite:
17760 case IcsPlayingBlack:
17763 /* Skip if we know it isn't thinking */
17764 if (!cps->maybeThinking) return;
17765 if (appData.debugMode)
17766 fprintf(debugFP, "Interrupting %s\n", cps->which);
17767 InterruptChildProcess(cps->pr);
17768 cps->maybeThinking = FALSE;
17773 #endif /*ATTENTION*/
17779 if (whiteTimeRemaining <= 0) {
17782 if (appData.icsActive) {
17783 if (appData.autoCallFlag &&
17784 gameMode == IcsPlayingBlack && !blackFlag) {
17785 SendToICS(ics_prefix);
17786 SendToICS("flag\n");
17790 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17792 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17793 if (appData.autoCallFlag) {
17794 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17801 if (blackTimeRemaining <= 0) {
17804 if (appData.icsActive) {
17805 if (appData.autoCallFlag &&
17806 gameMode == IcsPlayingWhite && !whiteFlag) {
17807 SendToICS(ics_prefix);
17808 SendToICS("flag\n");
17812 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17814 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17815 if (appData.autoCallFlag) {
17816 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17827 CheckTimeControl ()
17829 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17830 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17833 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17835 if ( !WhiteOnMove(forwardMostMove) ) {
17836 /* White made time control */
17837 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17838 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17839 /* [HGM] time odds: correct new time quota for time odds! */
17840 / WhitePlayer()->timeOdds;
17841 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17843 lastBlack -= blackTimeRemaining;
17844 /* Black made time control */
17845 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17846 / WhitePlayer()->other->timeOdds;
17847 lastWhite = whiteTimeRemaining;
17852 DisplayBothClocks ()
17854 int wom = gameMode == EditPosition ?
17855 !blackPlaysFirst : WhiteOnMove(currentMove);
17856 DisplayWhiteClock(whiteTimeRemaining, wom);
17857 DisplayBlackClock(blackTimeRemaining, !wom);
17861 /* Timekeeping seems to be a portability nightmare. I think everyone
17862 has ftime(), but I'm really not sure, so I'm including some ifdefs
17863 to use other calls if you don't. Clocks will be less accurate if
17864 you have neither ftime nor gettimeofday.
17867 /* VS 2008 requires the #include outside of the function */
17868 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17869 #include <sys/timeb.h>
17872 /* Get the current time as a TimeMark */
17874 GetTimeMark (TimeMark *tm)
17876 #if HAVE_GETTIMEOFDAY
17878 struct timeval timeVal;
17879 struct timezone timeZone;
17881 gettimeofday(&timeVal, &timeZone);
17882 tm->sec = (long) timeVal.tv_sec;
17883 tm->ms = (int) (timeVal.tv_usec / 1000L);
17885 #else /*!HAVE_GETTIMEOFDAY*/
17888 // include <sys/timeb.h> / moved to just above start of function
17889 struct timeb timeB;
17892 tm->sec = (long) timeB.time;
17893 tm->ms = (int) timeB.millitm;
17895 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17896 tm->sec = (long) time(NULL);
17902 /* Return the difference in milliseconds between two
17903 time marks. We assume the difference will fit in a long!
17906 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17908 return 1000L*(tm2->sec - tm1->sec) +
17909 (long) (tm2->ms - tm1->ms);
17914 * Code to manage the game clocks.
17916 * In tournament play, black starts the clock and then white makes a move.
17917 * We give the human user a slight advantage if he is playing white---the
17918 * clocks don't run until he makes his first move, so it takes zero time.
17919 * Also, we don't account for network lag, so we could get out of sync
17920 * with GNU Chess's clock -- but then, referees are always right.
17923 static TimeMark tickStartTM;
17924 static long intendedTickLength;
17927 NextTickLength (long timeRemaining)
17929 long nominalTickLength, nextTickLength;
17931 if (timeRemaining > 0L && timeRemaining <= 10000L)
17932 nominalTickLength = 100L;
17934 nominalTickLength = 1000L;
17935 nextTickLength = timeRemaining % nominalTickLength;
17936 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17938 return nextTickLength;
17941 /* Adjust clock one minute up or down */
17943 AdjustClock (Boolean which, int dir)
17945 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17946 if(which) blackTimeRemaining += 60000*dir;
17947 else whiteTimeRemaining += 60000*dir;
17948 DisplayBothClocks();
17949 adjustedClock = TRUE;
17952 /* Stop clocks and reset to a fresh time control */
17956 (void) StopClockTimer();
17957 if (appData.icsActive) {
17958 whiteTimeRemaining = blackTimeRemaining = 0;
17959 } else if (searchTime) {
17960 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17961 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17962 } else { /* [HGM] correct new time quote for time odds */
17963 whiteTC = blackTC = fullTimeControlString;
17964 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17965 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17967 if (whiteFlag || blackFlag) {
17969 whiteFlag = blackFlag = FALSE;
17971 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17972 DisplayBothClocks();
17973 adjustedClock = FALSE;
17976 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17978 static int timeSuffix; // [HGM] This should realy be a passed parameter, but it has to pass through too many levels for my laziness...
17980 /* Decrement running clock by amount of time that has passed */
17985 long lastTickLength, fudge;
17988 if (!appData.clockMode) return;
17989 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17993 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17995 /* Fudge if we woke up a little too soon */
17996 fudge = intendedTickLength - lastTickLength;
17997 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17999 if (WhiteOnMove(forwardMostMove)) {
18000 if(whiteNPS >= 0) lastTickLength = 0;
18001 tRemaining = whiteTimeRemaining -= lastTickLength;
18002 if( tRemaining < 0 && !appData.icsActive) {
18003 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
18004 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
18005 whiteStartMove = forwardMostMove; whiteTC = nextSession;
18006 lastWhite= tRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
18009 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[0][forwardMostMove-1] - tRemaining;
18010 DisplayWhiteClock(whiteTimeRemaining - fudge,
18011 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
18014 if(blackNPS >= 0) lastTickLength = 0;
18015 tRemaining = blackTimeRemaining -= lastTickLength;
18016 if( tRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
18017 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
18019 blackStartMove = forwardMostMove;
18020 lastBlack = tRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
18023 if(forwardMostMove && appData.moveTime) timeSuffix = timeRemaining[1][forwardMostMove-1] - tRemaining;
18024 DisplayBlackClock(blackTimeRemaining - fudge,
18025 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
18028 if (CheckFlags()) return;
18030 if(twoBoards) { // count down secondary board's clocks as well
18031 activePartnerTime -= lastTickLength;
18033 if(activePartner == 'W')
18034 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
18036 DisplayBlackClock(activePartnerTime, TRUE);
18041 intendedTickLength = NextTickLength( tRemaining - fudge) + fudge;
18042 StartClockTimer(intendedTickLength);
18044 /* if the time remaining has fallen below the alarm threshold, sound the
18045 * alarm. if the alarm has sounded and (due to a takeback or time control
18046 * with increment) the time remaining has increased to a level above the
18047 * threshold, reset the alarm so it can sound again.
18050 if (appData.icsActive && appData.icsAlarm) {
18052 /* make sure we are dealing with the user's clock */
18053 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
18054 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
18057 if (alarmSounded && ( tRemaining > appData.icsAlarmTime)) {
18058 alarmSounded = FALSE;
18059 } else if (!alarmSounded && ( tRemaining <= appData.icsAlarmTime)) {
18061 alarmSounded = TRUE;
18067 /* A player has just moved, so stop the previously running
18068 clock and (if in clock mode) start the other one.
18069 We redisplay both clocks in case we're in ICS mode, because
18070 ICS gives us an update to both clocks after every move.
18071 Note that this routine is called *after* forwardMostMove
18072 is updated, so the last fractional tick must be subtracted
18073 from the color that is *not* on move now.
18076 SwitchClocks (int newMoveNr)
18078 long lastTickLength;
18080 int flagged = FALSE;
18084 if (StopClockTimer() && appData.clockMode) {
18085 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18086 if (!WhiteOnMove(forwardMostMove)) {
18087 if(blackNPS >= 0) lastTickLength = 0;
18088 blackTimeRemaining -= lastTickLength;
18089 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18090 // if(pvInfoList[forwardMostMove].time == -1)
18091 pvInfoList[forwardMostMove].time = // use GUI time
18092 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
18094 if(whiteNPS >= 0) lastTickLength = 0;
18095 whiteTimeRemaining -= lastTickLength;
18096 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
18097 // if(pvInfoList[forwardMostMove].time == -1)
18098 pvInfoList[forwardMostMove].time =
18099 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
18101 flagged = CheckFlags();
18103 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
18104 CheckTimeControl();
18106 if (flagged || !appData.clockMode) return;
18108 switch (gameMode) {
18109 case MachinePlaysBlack:
18110 case MachinePlaysWhite:
18111 case BeginningOfGame:
18112 if (pausing) return;
18116 case PlayFromGameFile:
18124 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
18125 if(WhiteOnMove(forwardMostMove))
18126 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
18127 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
18131 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18132 whiteTimeRemaining : blackTimeRemaining);
18133 StartClockTimer(intendedTickLength);
18137 /* Stop both clocks */
18141 long lastTickLength;
18144 if (!StopClockTimer()) return;
18145 if (!appData.clockMode) return;
18149 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
18150 if (WhiteOnMove(forwardMostMove)) {
18151 if(whiteNPS >= 0) lastTickLength = 0;
18152 whiteTimeRemaining -= lastTickLength;
18153 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
18155 if(blackNPS >= 0) lastTickLength = 0;
18156 blackTimeRemaining -= lastTickLength;
18157 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
18162 /* Start clock of player on move. Time may have been reset, so
18163 if clock is already running, stop and restart it. */
18167 (void) StopClockTimer(); /* in case it was running already */
18168 DisplayBothClocks();
18169 if (CheckFlags()) return;
18171 if (!appData.clockMode) return;
18172 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
18174 GetTimeMark(&tickStartTM);
18175 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
18176 whiteTimeRemaining : blackTimeRemaining);
18178 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
18179 whiteNPS = blackNPS = -1;
18180 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
18181 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
18182 whiteNPS = first.nps;
18183 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
18184 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
18185 blackNPS = first.nps;
18186 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
18187 whiteNPS = second.nps;
18188 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
18189 blackNPS = second.nps;
18190 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
18192 StartClockTimer(intendedTickLength);
18196 TimeString (long ms)
18198 long second, minute, hour, day;
18200 static char buf[40], moveTime[8];
18202 if (ms > 0 && ms <= 9900) {
18203 /* convert milliseconds to tenths, rounding up */
18204 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
18206 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
18210 /* convert milliseconds to seconds, rounding up */
18211 /* use floating point to avoid strangeness of integer division
18212 with negative dividends on many machines */
18213 second = (long) floor(((double) (ms + 999L)) / 1000.0);
18220 day = second / (60 * 60 * 24);
18221 second = second % (60 * 60 * 24);
18222 hour = second / (60 * 60);
18223 second = second % (60 * 60);
18224 minute = second / 60;
18225 second = second % 60;
18227 if(timeSuffix) snprintf(moveTime, 8, " (%d)", timeSuffix/1000); // [HGM] kludge alert; fraction contains move time
18228 else *moveTime = NULLCHAR;
18231 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld%s ",
18232 sign, day, hour, minute, second, moveTime);
18234 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld%s ", sign, hour, minute, second, moveTime);
18236 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld%s ", sign, minute, second, moveTime);
18243 * This is necessary because some C libraries aren't ANSI C compliant yet.
18246 StrStr (char *string, char *match)
18250 length = strlen(match);
18252 for (i = strlen(string) - length; i >= 0; i--, string++)
18253 if (!strncmp(match, string, length))
18260 StrCaseStr (char *string, char *match)
18264 length = strlen(match);
18266 for (i = strlen(string) - length; i >= 0; i--, string++) {
18267 for (j = 0; j < length; j++) {
18268 if (ToLower(match[j]) != ToLower(string[j]))
18271 if (j == length) return string;
18279 StrCaseCmp (char *s1, char *s2)
18284 c1 = ToLower(*s1++);
18285 c2 = ToLower(*s2++);
18286 if (c1 > c2) return 1;
18287 if (c1 < c2) return -1;
18288 if (c1 == NULLCHAR) return 0;
18296 return isupper(c) ? tolower(c) : c;
18303 return islower(c) ? toupper(c) : c;
18305 #endif /* !_amigados */
18312 if ((ret = (char *) malloc(strlen(s) + 1)))
18314 safeStrCpy(ret, s, strlen(s)+1);
18320 StrSavePtr (char *s, char **savePtr)
18325 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18326 safeStrCpy(*savePtr, s, strlen(s)+1);
18338 clock = time((time_t *)NULL);
18339 tm = localtime(&clock);
18340 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18341 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18342 return StrSave(buf);
18347 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18349 int i, j, fromX, fromY, toX, toY;
18350 int whiteToPlay, haveRights = nrCastlingRights;
18356 whiteToPlay = (gameMode == EditPosition) ?
18357 !blackPlaysFirst : (move % 2 == 0);
18360 /* Piece placement data */
18361 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18362 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18364 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18365 if (boards[move][i][j] == EmptySquare) {
18367 } else { ChessSquare piece = boards[move][i][j];
18368 if (emptycount > 0) {
18369 if(emptycount<10) /* [HGM] can be >= 10 */
18370 *p++ = '0' + emptycount;
18371 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18374 if(PieceToChar(piece) == '+') {
18375 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18377 piece = (ChessSquare)(CHUDEMOTED(piece));
18379 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18380 if(*p = PieceSuffix(piece)) p++;
18382 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18383 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18388 if (emptycount > 0) {
18389 if(emptycount<10) /* [HGM] can be >= 10 */
18390 *p++ = '0' + emptycount;
18391 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18398 /* [HGM] print Crazyhouse or Shogi holdings */
18399 if( gameInfo.holdingsWidth ) {
18400 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18402 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18403 piece = boards[move][i][BOARD_WIDTH-1];
18404 if( piece != EmptySquare )
18405 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18406 *p++ = PieceToChar(piece);
18408 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18409 piece = boards[move][handSize-i-1][0];
18410 if( piece != EmptySquare )
18411 for(j=0; j<(int) boards[move][handSize-i-1][1]; j++)
18412 *p++ = PieceToChar(piece);
18415 if( q == p ) *p++ = '-';
18421 *p++ = whiteToPlay ? 'w' : 'b';
18424 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18425 haveRights = 0; q = p;
18426 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18427 piece = boards[move][0][i];
18428 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18429 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18432 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18433 piece = boards[move][BOARD_HEIGHT-1][i];
18434 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18435 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18438 if(p == q) *p++ = '-';
18442 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18445 if(q != overrideCastling+1) p[-1] = ' '; else --p;
18448 int handW=0, handB=0;
18449 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18450 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18451 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18454 if(appData.fischerCastling) {
18455 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18456 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18457 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18459 /* [HGM] write directly from rights */
18460 if(boards[move][CASTLING][2] != NoRights &&
18461 boards[move][CASTLING][0] != NoRights )
18462 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18463 if(boards[move][CASTLING][2] != NoRights &&
18464 boards[move][CASTLING][1] != NoRights )
18465 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18468 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18469 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18471 if(boards[move][CASTLING][5] != NoRights &&
18472 boards[move][CASTLING][3] != NoRights )
18473 *p++ = boards[move][CASTLING][3] + AAA;
18474 if(boards[move][CASTLING][5] != NoRights &&
18475 boards[move][CASTLING][4] != NoRights )
18476 *p++ = boards[move][CASTLING][4] + AAA;
18480 /* [HGM] write true castling rights */
18481 if( nrCastlingRights == 6 ) {
18483 if(boards[move][CASTLING][0] != NoRights &&
18484 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18485 q = (boards[move][CASTLING][1] != NoRights &&
18486 boards[move][CASTLING][2] != NoRights );
18487 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18488 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18489 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18490 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18494 if(boards[move][CASTLING][3] != NoRights &&
18495 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18496 q = (boards[move][CASTLING][4] != NoRights &&
18497 boards[move][CASTLING][5] != NoRights );
18499 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18500 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18501 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18506 if (q == p) *p++ = '-'; /* No castling rights */
18510 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18511 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18512 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18513 /* En passant target square */
18514 if (move > backwardMostMove) {
18515 fromX = moveList[move - 1][0] - AAA;
18516 fromY = moveList[move - 1][1] - ONE;
18517 toX = moveList[move - 1][2] - AAA;
18518 toY = moveList[move - 1][3] - ONE;
18519 if ((whiteToPlay ? toY < fromY - 1 : toY > fromY + 1) &&
18520 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) ) {
18521 /* 2-square pawn move just happened */
18522 *p++ = (3*toX + 5*fromX + 4)/8 + AAA;
18523 *p++ = (3*toY + 5*fromY + 4)/8 + ONE;
18524 if(gameInfo.variant == VariantBerolina) {
18531 } else if(move == backwardMostMove) {
18532 // [HGM] perhaps we should always do it like this, and forget the above?
18533 if((signed char)boards[move][EP_STATUS] >= 0) {
18534 *p++ = boards[move][EP_STATUS] + AAA;
18535 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18546 i = boards[move][CHECK_COUNT];
18548 sprintf(p, "%d+%d ", i&255, i>>8);
18553 { int i = 0, j=move;
18555 /* [HGM] find reversible plies */
18556 if (appData.debugMode) { int k;
18557 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18558 for(k=backwardMostMove; k<=forwardMostMove; k++)
18559 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18563 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18564 if( j == backwardMostMove ) i += initialRulePlies;
18565 sprintf(p, "%d ", i);
18566 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18568 /* Fullmove number */
18569 sprintf(p, "%d", (move / 2) + 1);
18570 } else *--p = NULLCHAR;
18572 return StrSave(buf);
18576 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18578 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18580 int emptycount, virgin[BOARD_FILES];
18581 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18585 for(i=1; i<=deadRanks; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) board[BOARD_HEIGHT-i][j] = DarkSquare;
18587 /* Piece placement data */
18588 for (i = BOARD_HEIGHT - 1 - deadRanks; i >= 0; i--) {
18591 if (*p == '/' || *p == ' ' || *p == '[' ) {
18593 emptycount = gameInfo.boardWidth - j;
18594 while (emptycount--)
18595 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18596 if (*p == '/') p++;
18597 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18598 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18599 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18601 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18604 #if(BOARD_FILES >= 10)*0
18605 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18606 p++; emptycount=10;
18607 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18608 while (emptycount--)
18609 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18611 } else if (*p == '*') {
18612 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18613 } else if (isdigit(*p)) {
18614 emptycount = *p++ - '0';
18615 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18616 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18617 while (emptycount--)
18618 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18619 } else if (*p == '<') {
18620 if(i == BOARD_HEIGHT-1) shuffle = 1;
18621 else if (i != 0 || !shuffle) return FALSE;
18623 } else if (shuffle && *p == '>') {
18624 p++; // for now ignore closing shuffle range, and assume rank-end
18625 } else if (*p == '?') {
18626 if (j >= gameInfo.boardWidth) return FALSE;
18627 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18628 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18629 } else if (*p == '+' || isalpha(*p)) {
18630 char *q, *s = SUFFIXES;
18631 if (j >= gameInfo.boardWidth) return FALSE;
18634 if(q = strchr(s, p[1])) p++;
18635 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18636 if(piece == EmptySquare) return FALSE; /* unknown piece */
18637 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18638 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18641 if(q = strchr(s, *p)) p++;
18642 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18645 if(piece==EmptySquare) return FALSE; /* unknown piece */
18646 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18647 piece = (ChessSquare) (PROMOTED(piece));
18648 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18651 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18652 if(piece == king) wKingRank = i;
18653 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18659 while (*p == '/' || *p == ' ') p++;
18661 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18663 /* [HGM] by default clear Crazyhouse holdings, if present */
18664 if(gameInfo.holdingsWidth) {
18665 for(i=0; i<handSize; i++) {
18666 board[i][0] = EmptySquare; /* black holdings */
18667 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18668 board[i][1] = (ChessSquare) 0; /* black counts */
18669 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18673 /* [HGM] look for Crazyhouse holdings here */
18674 while(*p==' ') p++;
18675 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18676 int swap=0, wcnt=0, bcnt=0;
18678 if(*p == '<') swap++, p++;
18679 if(*p == '-' ) p++; /* empty holdings */ else {
18680 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18681 /* if we would allow FEN reading to set board size, we would */
18682 /* have to add holdings and shift the board read so far here */
18683 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18685 if((int) piece >= (int) BlackPawn ) {
18686 i = (int)piece - (int)BlackPawn;
18687 i = PieceToNumber((ChessSquare)i);
18688 if( i >= gameInfo.holdingsSize ) return FALSE;
18689 board[handSize-1-i][0] = piece; /* black holdings */
18690 board[handSize-1-i][1]++; /* black counts */
18693 i = (int)piece - (int)WhitePawn;
18694 i = PieceToNumber((ChessSquare)i);
18695 if( i >= gameInfo.holdingsSize ) return FALSE;
18696 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18697 board[i][BOARD_WIDTH-2]++; /* black holdings */
18701 if(subst) { // substitute back-rank question marks by holdings pieces
18702 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18703 int k, m, n = bcnt + 1;
18704 if(board[0][j] == ClearBoard) {
18705 if(!wcnt) return FALSE;
18707 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18708 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18709 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18713 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18714 if(!bcnt) return FALSE;
18715 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18716 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[handSize-1-k][1]) < 0) {
18717 board[BOARD_HEIGHT-1][j] = board[handSize-1-k][0]; bcnt--;
18718 if(--board[handSize-1-k][1] == 0) board[handSize-1-k][0] = EmptySquare;
18729 if(subst) return FALSE; // substitution requested, but no holdings
18731 while(*p == ' ') p++;
18735 if(appData.colorNickNames) {
18736 if( c == appData.colorNickNames[0] ) c = 'w'; else
18737 if( c == appData.colorNickNames[1] ) c = 'b';
18741 *blackPlaysFirst = FALSE;
18744 *blackPlaysFirst = TRUE;
18750 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18751 /* return the extra info in global variiables */
18753 while(*p==' ') p++;
18755 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18756 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18757 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18760 /* set defaults in case FEN is incomplete */
18761 board[EP_STATUS] = EP_UNKNOWN;
18762 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18763 for(i=0; i<nrCastlingRights; i++ ) {
18764 board[CASTLING][i] =
18765 appData.fischerCastling ? NoRights : initialRights[i];
18766 } /* assume possible unless obviously impossible */
18767 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18768 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18769 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18770 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18771 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18772 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18773 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18774 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18777 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18780 while(isalpha(*p)) {
18781 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18782 if(islower(*p)) b |= 1 << (*p++ - 'a');
18786 board[TOUCHED_W] = ~w;
18787 board[TOUCHED_B] = ~b;
18788 while(*p == ' ') p++;
18792 if(nrCastlingRights) {
18794 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18795 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18796 /* castling indicator present, so default becomes no castlings */
18797 for(i=0; i<nrCastlingRights; i++ ) {
18798 board[CASTLING][i] = NoRights;
18801 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18802 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18803 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18804 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18805 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18807 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18808 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18809 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18811 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18812 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18813 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18814 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18815 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18816 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18819 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18820 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18821 board[CASTLING][2] = whiteKingFile;
18822 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18823 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18824 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18827 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18828 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18829 board[CASTLING][2] = whiteKingFile;
18830 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18831 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18832 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18835 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18836 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18837 board[CASTLING][5] = blackKingFile;
18838 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18839 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18840 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18843 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18844 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18845 board[CASTLING][5] = blackKingFile;
18846 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18847 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18848 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18851 default: /* FRC castlings */
18852 if(c >= 'a') { /* black rights */
18853 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18854 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18855 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18856 if(i == BOARD_RGHT) break;
18857 board[CASTLING][5] = i;
18859 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18860 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18862 board[CASTLING][3] = c;
18864 board[CASTLING][4] = c;
18865 } else { /* white rights */
18866 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18867 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18868 if(board[0][i] == WhiteKing) break;
18869 if(i == BOARD_RGHT) break;
18870 board[CASTLING][2] = i;
18871 c -= AAA - 'a' + 'A';
18872 if(board[0][c] >= WhiteKing) break;
18874 board[CASTLING][0] = c;
18876 board[CASTLING][1] = c;
18880 for(i=0; i<nrCastlingRights; i++)
18881 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18882 if(gameInfo.variant == VariantSChess)
18883 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18884 if(fischer && shuffle) appData.fischerCastling = TRUE;
18885 if (appData.debugMode) {
18886 fprintf(debugFP, "FEN castling rights:");
18887 for(i=0; i<nrCastlingRights; i++)
18888 fprintf(debugFP, " %d", board[CASTLING][i]);
18889 fprintf(debugFP, "\n");
18892 while(*p==' ') p++;
18895 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18897 /* read e.p. field in games that know e.p. capture */
18898 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18899 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18900 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18902 p++; board[EP_STATUS] = EP_NONE;
18904 int d, r, c = *p - AAA;
18906 if(c >= BOARD_LEFT && c < BOARD_RGHT) {
18908 board[EP_STATUS] = board[EP_FILE] = c; r = 0;
18909 if(*p >= '0' && *p <='9') r = board[EP_RANK] = *p++ - ONE;
18910 d = (r < BOARD_HEIGHT << 1 ? 1 : -1); // assume double-push (P next to e.p. square nearer center)
18911 if(board[r+d][c] == EmptySquare) d *= 2; // but if no Pawn there, triple push
18912 board[LAST_TO] = 256*(r + d) + c;
18914 if(c >= BOARD_LEFT && c < BOARD_RGHT) { // mover explicitly mentioned
18915 if(*p >= '0' && *p <='9') r = board[EP_RANK] = *p++ - ONE;
18916 board[LAST_TO] = 256*r + c;
18917 if(!(board[EP_RANK]-r & 1)) board[EP_RANK] |= 128;
18923 while(*p == ' ') p++;
18925 board[CHECK_COUNT] = 0; // [HGM] 3check: check-count field
18926 if(sscanf(p, "%d+%d", &i, &j) == 2) {
18927 board[CHECK_COUNT] = i + 256*j;
18928 while(*p && *p != ' ') p++;
18931 c = sscanf(p, "%d%*d +%d+%d", &i, &j, &k);
18933 FENrulePlies = i; /* 50-move ply counter */
18934 /* (The move number is still ignored) */
18935 if(c == 3 && !board[CHECK_COUNT]) board[CHECK_COUNT] = (3 - j) + 256*(3 - k); // SCIDB-style check count
18942 EditPositionPasteFEN (char *fen)
18945 Board initial_position;
18947 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18948 DisplayError(_("Bad FEN position in clipboard"), 0);
18951 int savedBlackPlaysFirst = blackPlaysFirst;
18952 EditPositionEvent();
18953 blackPlaysFirst = savedBlackPlaysFirst;
18954 CopyBoard(boards[0], initial_position);
18955 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18956 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18957 DisplayBothClocks();
18958 DrawPosition(FALSE, boards[currentMove]);
18963 static char cseq[12] = "\\ ";
18966 set_cont_sequence (char *new_seq)
18971 // handle bad attempts to set the sequence
18973 return 0; // acceptable error - no debug
18975 len = strlen(new_seq);
18976 ret = (len > 0) && (len < sizeof(cseq));
18978 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18979 else if (appData.debugMode)
18980 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18985 reformat a source message so words don't cross the width boundary. internal
18986 newlines are not removed. returns the wrapped size (no null character unless
18987 included in source message). If dest is NULL, only calculate the size required
18988 for the dest buffer. lp argument indicats line position upon entry, and it's
18989 passed back upon exit.
18992 wrap (char *dest, char *src, int count, int width, int *lp)
18994 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18996 cseq_len = strlen(cseq);
18997 old_line = line = *lp;
18998 ansi = len = clen = 0;
19000 for (i=0; i < count; i++)
19002 if (src[i] == '\033')
19005 // if we hit the width, back up
19006 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
19008 // store i & len in case the word is too long
19009 old_i = i, old_len = len;
19011 // find the end of the last word
19012 while (i && src[i] != ' ' && src[i] != '\n')
19018 // word too long? restore i & len before splitting it
19019 if ((old_i-i+clen) >= width)
19026 if (i && src[i-1] == ' ')
19029 if (src[i] != ' ' && src[i] != '\n')
19036 // now append the newline and continuation sequence
19041 strncpy(dest+len, cseq, cseq_len);
19049 dest[len] = src[i];
19053 if (src[i] == '\n')
19058 if (dest && appData.debugMode)
19060 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
19061 count, width, line, len, *lp);
19062 show_bytes(debugFP, src, count);
19063 fprintf(debugFP, "\ndest: ");
19064 show_bytes(debugFP, dest, len);
19065 fprintf(debugFP, "\n");
19067 *lp = dest ? line : old_line;
19072 // [HGM] vari: routines for shelving variations
19073 Boolean modeRestore = FALSE;
19076 PushInner (int firstMove, int lastMove)
19078 int i, j, nrMoves = lastMove - firstMove;
19080 // push current tail of game on stack
19081 savedResult[storedGames] = gameInfo.result;
19082 savedDetails[storedGames] = gameInfo.resultDetails;
19083 gameInfo.resultDetails = NULL;
19084 savedFirst[storedGames] = firstMove;
19085 savedLast [storedGames] = lastMove;
19086 savedFramePtr[storedGames] = framePtr;
19087 framePtr -= nrMoves; // reserve space for the boards
19088 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
19089 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
19090 for(j=0; j<MOVE_LEN; j++)
19091 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
19092 for(j=0; j<2*MOVE_LEN; j++)
19093 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
19094 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
19095 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
19096 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
19097 pvInfoList[firstMove+i-1].depth = 0;
19098 commentList[framePtr+i] = commentList[firstMove+i];
19099 commentList[firstMove+i] = NULL;
19103 forwardMostMove = firstMove; // truncate game so we can start variation
19107 PushTail (int firstMove, int lastMove)
19109 if(appData.icsActive) { // only in local mode
19110 forwardMostMove = currentMove; // mimic old ICS behavior
19113 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
19115 PushInner(firstMove, lastMove);
19116 if(storedGames == 1) GreyRevert(FALSE);
19117 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
19121 PopInner (Boolean annotate)
19124 char buf[8000], moveBuf[20];
19126 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
19127 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
19128 nrMoves = savedLast[storedGames] - currentMove;
19131 if(!WhiteOnMove(currentMove))
19132 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
19133 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
19134 for(i=currentMove; i<forwardMostMove; i++) {
19136 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
19137 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
19138 strcat(buf, moveBuf);
19139 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
19140 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
19144 for(i=1; i<=nrMoves; i++) { // copy last variation back
19145 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
19146 for(j=0; j<MOVE_LEN; j++)
19147 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
19148 for(j=0; j<2*MOVE_LEN; j++)
19149 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
19150 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
19151 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
19152 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
19153 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
19154 commentList[currentMove+i] = commentList[framePtr+i];
19155 commentList[framePtr+i] = NULL;
19157 if(annotate) AppendComment(currentMove+1, buf, FALSE);
19158 framePtr = savedFramePtr[storedGames];
19159 gameInfo.result = savedResult[storedGames];
19160 if(gameInfo.resultDetails != NULL) {
19161 free(gameInfo.resultDetails);
19163 gameInfo.resultDetails = savedDetails[storedGames];
19164 forwardMostMove = currentMove + nrMoves;
19168 PopTail (Boolean annotate)
19170 if(appData.icsActive) return FALSE; // only in local mode
19171 if(!storedGames) return FALSE; // sanity
19172 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
19174 PopInner(annotate);
19175 if(currentMove < forwardMostMove) ForwardEvent(); else
19176 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
19178 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
19184 { // remove all shelved variations
19186 for(i=0; i<storedGames; i++) {
19187 if(savedDetails[i])
19188 free(savedDetails[i]);
19189 savedDetails[i] = NULL;
19191 for(i=framePtr; i<MAX_MOVES; i++) {
19192 if(commentList[i]) free(commentList[i]);
19193 commentList[i] = NULL;
19195 framePtr = MAX_MOVES-1;
19200 LoadVariation (int index, char *text)
19201 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
19202 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
19203 int level = 0, move;
19205 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
19206 // first find outermost bracketing variation
19207 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
19208 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
19209 if(*p == '{') wait = '}'; else
19210 if(*p == '[') wait = ']'; else
19211 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
19212 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
19214 if(*p == wait) wait = NULLCHAR; // closing ]} found
19217 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
19218 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
19219 end[1] = NULLCHAR; // clip off comment beyond variation
19220 ToNrEvent(currentMove-1);
19221 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
19222 // kludge: use ParsePV() to append variation to game
19223 move = currentMove;
19224 ParsePV(start, TRUE, TRUE);
19225 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
19226 ClearPremoveHighlights();
19228 ToNrEvent(currentMove+1);
19231 int transparency[2];
19236 #define BUF_SIZ (2*MSG_SIZ)
19237 char *p, *q, buf[BUF_SIZ];
19238 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
19239 snprintf(buf, BUF_SIZ, "-theme %s", engineLine);
19240 ParseArgsFromString(buf);
19241 ActivateTheme(TRUE); // also redo colors
19245 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
19248 q = appData.themeNames;
19249 snprintf(buf, BUF_SIZ, "\"%s\"", nickName);
19250 if(appData.useBitmaps) {
19251 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt true -lbtf \"%s\"",
19252 Shorten(appData.liteBackTextureFile));
19253 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dbtf \"%s\" -lbtm %d -dbtm %d",
19254 Shorten(appData.darkBackTextureFile),
19255 appData.liteBackTextureMode,
19256 appData.darkBackTextureMode );
19258 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ubt false");
19260 if(!appData.useBitmaps || transparency[0]) {
19261 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -lsc %s", Col2Text(2) ); // lightSquareColor
19263 if(!appData.useBitmaps || transparency[1]) {
19264 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -dsc %s", Col2Text(3) ); // darkSquareColor
19266 if(appData.useBorder) {
19267 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub true -border \"%s\"",
19270 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -ub false");
19272 if(appData.useFont) {
19273 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
19274 appData.renderPiecesWithFont,
19275 appData.fontToPieceTable,
19276 Col2Text(9), // appData.fontBackColorWhite
19277 Col2Text(10) ); // appData.fontForeColorBlack
19279 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -upf false");
19280 if(appData.pieceDirectory[0]) {
19281 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -pid \"%s\"", Shorten(appData.pieceDirectory));
19282 if(appData.trueColors != 2) // 2 is a kludge to suppress this in WinBoard
19283 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -trueColors %s", appData.trueColors ? "true" : "false");
19285 if(!appData.pieceDirectory[0] || !appData.trueColors)
19286 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -wpc %s -bpc %s",
19287 Col2Text(0), // whitePieceColor
19288 Col2Text(1) ); // blackPieceColor
19290 snprintf(buf+strlen(buf), BUF_SIZ-strlen(buf), " -hsc %s -phc %s\n",
19291 Col2Text(4), // highlightSquareColor
19292 Col2Text(5) ); // premoveHighlightColor
19293 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
19294 if(insert != q) insert[-1] = NULLCHAR;
19295 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
19298 ActivateTheme(FALSE);