2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
228 static int NonStandardBoardSize P((void));
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
247 extern int tinyLayout, smallLayout;
248 ChessProgramStats programStats;
249 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
251 static int exiting = 0; /* [HGM] moved to top */
252 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
253 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
254 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
255 int partnerHighlight[2];
256 Boolean partnerBoardValid = 0;
257 char partnerStatus[MSG_SIZ];
259 Boolean originalFlip;
260 Boolean twoBoards = 0;
261 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
262 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
263 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
264 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
265 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
266 int opponentKibitzes;
267 int lastSavedGame; /* [HGM] save: ID of game */
268 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
269 extern int chatCount;
271 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
273 char lastMsg[MSG_SIZ];
274 ChessSquare pieceSweep = EmptySquare;
275 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
276 int promoDefaultAltered;
277 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
279 /* States for ics_getting_history */
281 #define H_REQUESTED 1
282 #define H_GOT_REQ_HEADER 2
283 #define H_GOT_UNREQ_HEADER 3
284 #define H_GETTING_MOVES 4
285 #define H_GOT_UNWANTED_HEADER 5
287 /* whosays values for GameEnds */
296 /* Maximum number of games in a cmail message */
297 #define CMAIL_MAX_GAMES 20
299 /* Different types of move when calling RegisterMove */
301 #define CMAIL_RESIGN 1
303 #define CMAIL_ACCEPT 3
305 /* Different types of result to remember for each game */
306 #define CMAIL_NOT_RESULT 0
307 #define CMAIL_OLD_RESULT 1
308 #define CMAIL_NEW_RESULT 2
310 /* Telnet protocol constants */
321 safeStrCpy (char *dst, const char *src, size_t count)
324 assert( dst != NULL );
325 assert( src != NULL );
328 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
329 if( i == count && dst[count-1] != NULLCHAR)
331 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
332 if(appData.debugMode)
333 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
339 /* Some compiler can't cast u64 to double
340 * This function do the job for us:
342 * We use the highest bit for cast, this only
343 * works if the highest bit is not
344 * in use (This should not happen)
346 * We used this for all compiler
349 u64ToDouble (u64 value)
352 u64 tmp = value & u64Const(0x7fffffffffffffff);
353 r = (double)(s64)tmp;
354 if (value & u64Const(0x8000000000000000))
355 r += 9.2233720368547758080e18; /* 2^63 */
359 /* Fake up flags for now, as we aren't keeping track of castling
360 availability yet. [HGM] Change of logic: the flag now only
361 indicates the type of castlings allowed by the rule of the game.
362 The actual rights themselves are maintained in the array
363 castlingRights, as part of the game history, and are not probed
369 int flags = F_ALL_CASTLE_OK;
370 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
371 switch (gameInfo.variant) {
373 flags &= ~F_ALL_CASTLE_OK;
374 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
375 flags |= F_IGNORE_CHECK;
377 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
380 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
382 case VariantKriegspiel:
383 flags |= F_KRIEGSPIEL_CAPTURE;
385 case VariantCapaRandom:
386 case VariantFischeRandom:
387 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
388 case VariantNoCastle:
389 case VariantShatranj:
394 flags &= ~F_ALL_CASTLE_OK;
402 FILE *gameFileFP, *debugFP, *serverFP;
403 char *currentDebugFile; // [HGM] debug split: to remember name
406 [AS] Note: sometimes, the sscanf() function is used to parse the input
407 into a fixed-size buffer. Because of this, we must be prepared to
408 receive strings as long as the size of the input buffer, which is currently
409 set to 4K for Windows and 8K for the rest.
410 So, we must either allocate sufficiently large buffers here, or
411 reduce the size of the input buffer in the input reading part.
414 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
415 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
416 char thinkOutput1[MSG_SIZ*10];
418 ChessProgramState first, second, pairing;
420 /* premove variables */
423 int premoveFromX = 0;
424 int premoveFromY = 0;
425 int premovePromoChar = 0;
427 Boolean alarmSounded;
428 /* end premove variables */
430 char *ics_prefix = "$";
431 enum ICS_TYPE ics_type = ICS_GENERIC;
433 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
434 int pauseExamForwardMostMove = 0;
435 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
436 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
437 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
438 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
439 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
440 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
441 int whiteFlag = FALSE, blackFlag = FALSE;
442 int userOfferedDraw = FALSE;
443 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
444 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
445 int cmailMoveType[CMAIL_MAX_GAMES];
446 long ics_clock_paused = 0;
447 ProcRef icsPR = NoProc, cmailPR = NoProc;
448 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
449 GameMode gameMode = BeginningOfGame;
450 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
451 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
452 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
453 int hiddenThinkOutputState = 0; /* [AS] */
454 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
455 int adjudicateLossPlies = 6;
456 char white_holding[64], black_holding[64];
457 TimeMark lastNodeCountTime;
458 long lastNodeCount=0;
459 int shiftKey, controlKey; // [HGM] set by mouse handler
461 int have_sent_ICS_logon = 0;
463 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
464 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
465 Boolean adjustedClock;
466 long timeControl_2; /* [AS] Allow separate time controls */
467 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
468 long timeRemaining[2][MAX_MOVES];
469 int matchGame = 0, nextGame = 0, roundNr = 0;
470 Boolean waitingForGame = FALSE, startingEngine = FALSE;
471 TimeMark programStartTime, pauseStart;
472 char ics_handle[MSG_SIZ];
473 int have_set_title = 0;
475 /* animateTraining preserves the state of appData.animate
476 * when Training mode is activated. This allows the
477 * response to be animated when appData.animate == TRUE and
478 * appData.animateDragging == TRUE.
480 Boolean animateTraining;
486 Board boards[MAX_MOVES];
487 /* [HGM] Following 7 needed for accurate legality tests: */
488 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
489 signed char initialRights[BOARD_FILES];
490 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
491 int initialRulePlies, FENrulePlies;
492 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
494 Boolean shuffleOpenings;
495 int mute; // mute all sounds
497 // [HGM] vari: next 12 to save and restore variations
498 #define MAX_VARIATIONS 10
499 int framePtr = MAX_MOVES-1; // points to free stack entry
501 int savedFirst[MAX_VARIATIONS];
502 int savedLast[MAX_VARIATIONS];
503 int savedFramePtr[MAX_VARIATIONS];
504 char *savedDetails[MAX_VARIATIONS];
505 ChessMove savedResult[MAX_VARIATIONS];
507 void PushTail P((int firstMove, int lastMove));
508 Boolean PopTail P((Boolean annotate));
509 void PushInner P((int firstMove, int lastMove));
510 void PopInner P((Boolean annotate));
511 void CleanupTail P((void));
513 ChessSquare FIDEArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackBishop, BlackKnight, BlackRook }
520 ChessSquare twoKingsArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
522 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
523 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
524 BlackKing, BlackKing, BlackKnight, BlackRook }
527 ChessSquare KnightmateArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
529 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
530 { BlackRook, BlackMan, BlackBishop, BlackQueen,
531 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
534 ChessSquare SpartanArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
538 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
541 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
542 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
543 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
544 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
545 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
548 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
550 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
552 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
555 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
556 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
557 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
558 { BlackRook, BlackKnight, BlackMan, BlackFerz,
559 BlackKing, BlackMan, BlackKnight, BlackRook }
562 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
563 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
564 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
565 { BlackRook, BlackKnight, BlackMan, BlackFerz,
566 BlackKing, BlackMan, BlackKnight, BlackRook }
570 #if (BOARD_FILES>=10)
571 ChessSquare ShogiArray[2][BOARD_FILES] = {
572 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
573 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
574 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
575 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
578 ChessSquare XiangqiArray[2][BOARD_FILES] = {
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
580 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
582 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare CapablancaArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
587 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
589 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
592 ChessSquare GreatArray[2][BOARD_FILES] = {
593 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
594 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
595 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
596 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
599 ChessSquare JanusArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
601 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
602 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
603 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
606 ChessSquare GrandArray[2][BOARD_FILES] = {
607 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
608 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
609 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
610 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
614 ChessSquare GothicArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
616 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
618 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
621 #define GothicArray CapablancaArray
625 ChessSquare FalconArray[2][BOARD_FILES] = {
626 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
627 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
628 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
629 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
632 #define FalconArray CapablancaArray
635 #else // !(BOARD_FILES>=10)
636 #define XiangqiPosition FIDEArray
637 #define CapablancaArray FIDEArray
638 #define GothicArray FIDEArray
639 #define GreatArray FIDEArray
640 #endif // !(BOARD_FILES>=10)
642 #if (BOARD_FILES>=12)
643 ChessSquare CourierArray[2][BOARD_FILES] = {
644 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
645 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
646 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
647 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
649 ChessSquare ChuArray[6][BOARD_FILES] = {
650 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
651 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
652 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
653 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
654 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
655 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
656 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
657 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
658 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
659 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
660 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
661 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
663 #else // !(BOARD_FILES>=12)
664 #define CourierArray CapablancaArray
665 #define ChuArray CapablancaArray
666 #endif // !(BOARD_FILES>=12)
669 Board initialPosition;
672 /* Convert str to a rating. Checks for special cases of "----",
674 "++++", etc. Also strips ()'s */
676 string_to_rating (char *str)
678 while(*str && !isdigit(*str)) ++str;
680 return 0; /* One of the special "no rating" cases */
688 /* Init programStats */
689 programStats.movelist[0] = 0;
690 programStats.depth = 0;
691 programStats.nr_moves = 0;
692 programStats.moves_left = 0;
693 programStats.nodes = 0;
694 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
695 programStats.score = 0;
696 programStats.got_only_move = 0;
697 programStats.got_fail = 0;
698 programStats.line_is_book = 0;
703 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
704 if (appData.firstPlaysBlack) {
705 first.twoMachinesColor = "black\n";
706 second.twoMachinesColor = "white\n";
708 first.twoMachinesColor = "white\n";
709 second.twoMachinesColor = "black\n";
712 first.other = &second;
713 second.other = &first;
716 if(appData.timeOddsMode) {
717 norm = appData.timeOdds[0];
718 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
720 first.timeOdds = appData.timeOdds[0]/norm;
721 second.timeOdds = appData.timeOdds[1]/norm;
724 if(programVersion) free(programVersion);
725 if (appData.noChessProgram) {
726 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
727 sprintf(programVersion, "%s", PACKAGE_STRING);
729 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
730 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
731 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
736 UnloadEngine (ChessProgramState *cps)
738 /* Kill off first chess program */
739 if (cps->isr != NULL)
740 RemoveInputSource(cps->isr);
743 if (cps->pr != NoProc) {
745 DoSleep( appData.delayBeforeQuit );
746 SendToProgram("quit\n", cps);
747 DoSleep( appData.delayAfterQuit );
748 DestroyChildProcess(cps->pr, cps->useSigterm);
751 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
755 ClearOptions (ChessProgramState *cps)
758 cps->nrOptions = cps->comboCnt = 0;
759 for(i=0; i<MAX_OPTIONS; i++) {
760 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
761 cps->option[i].textValue = 0;
765 char *engineNames[] = {
766 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
767 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
769 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
770 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
775 InitEngine (ChessProgramState *cps, int n)
776 { // [HGM] all engine initialiation put in a function that does one engine
780 cps->which = engineNames[n];
781 cps->maybeThinking = FALSE;
785 cps->sendDrawOffers = 1;
787 cps->program = appData.chessProgram[n];
788 cps->host = appData.host[n];
789 cps->dir = appData.directory[n];
790 cps->initString = appData.engInitString[n];
791 cps->computerString = appData.computerString[n];
792 cps->useSigint = TRUE;
793 cps->useSigterm = TRUE;
794 cps->reuse = appData.reuse[n];
795 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
796 cps->useSetboard = FALSE;
798 cps->usePing = FALSE;
801 cps->usePlayother = FALSE;
802 cps->useColors = TRUE;
803 cps->useUsermove = FALSE;
804 cps->sendICS = FALSE;
805 cps->sendName = appData.icsActive;
806 cps->sdKludge = FALSE;
807 cps->stKludge = FALSE;
808 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
809 TidyProgramName(cps->program, cps->host, cps->tidy);
811 ASSIGN(cps->variants, appData.variant);
812 cps->analysisSupport = 2; /* detect */
813 cps->analyzing = FALSE;
814 cps->initDone = FALSE;
817 /* New features added by Tord: */
818 cps->useFEN960 = FALSE;
819 cps->useOOCastle = TRUE;
820 /* End of new features added by Tord. */
821 cps->fenOverride = appData.fenOverride[n];
823 /* [HGM] time odds: set factor for each machine */
824 cps->timeOdds = appData.timeOdds[n];
826 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
827 cps->accumulateTC = appData.accumulateTC[n];
828 cps->maxNrOfSessions = 1;
833 cps->supportsNPS = UNKNOWN;
834 cps->memSize = FALSE;
835 cps->maxCores = FALSE;
836 ASSIGN(cps->egtFormats, "");
839 cps->optionSettings = appData.engOptions[n];
841 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
842 cps->isUCI = appData.isUCI[n]; /* [AS] */
843 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
846 if (appData.protocolVersion[n] > PROTOVER
847 || appData.protocolVersion[n] < 1)
852 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
853 appData.protocolVersion[n]);
854 if( (len >= MSG_SIZ) && appData.debugMode )
855 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
857 DisplayFatalError(buf, 0, 2);
861 cps->protocolVersion = appData.protocolVersion[n];
864 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
865 ParseFeatures(appData.featureDefaults, cps);
868 ChessProgramState *savCps;
876 if(WaitForEngine(savCps, LoadEngine)) return;
877 CommonEngineInit(); // recalculate time odds
878 if(gameInfo.variant != StringToVariant(appData.variant)) {
879 // we changed variant when loading the engine; this forces us to reset
880 Reset(TRUE, savCps != &first);
881 oldMode = BeginningOfGame; // to prevent restoring old mode
883 InitChessProgram(savCps, FALSE);
884 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
885 DisplayMessage("", "");
886 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
887 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
890 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
894 ReplaceEngine (ChessProgramState *cps, int n)
896 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
898 if(oldMode != BeginningOfGame) EditGameEvent();
901 appData.noChessProgram = FALSE;
902 appData.clockMode = TRUE;
905 if(n) return; // only startup first engine immediately; second can wait
906 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
910 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
911 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
913 static char resetOptions[] =
914 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
915 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
916 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
917 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
920 FloatToFront(char **list, char *engineLine)
922 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
924 if(appData.recentEngines <= 0) return;
925 TidyProgramName(engineLine, "localhost", tidy+1);
926 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
927 strncpy(buf+1, *list, MSG_SIZ-50);
928 if(p = strstr(buf, tidy)) { // tidy name appears in list
929 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
930 while(*p++ = *++q); // squeeze out
932 strcat(tidy, buf+1); // put list behind tidy name
933 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
934 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
935 ASSIGN(*list, tidy+1);
938 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
941 Load (ChessProgramState *cps, int i)
943 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
944 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
945 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
946 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
947 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
948 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
949 appData.firstProtocolVersion = PROTOVER;
950 ParseArgsFromString(buf);
952 ReplaceEngine(cps, i);
953 FloatToFront(&appData.recentEngineList, engineLine);
957 while(q = strchr(p, SLASH)) p = q+1;
958 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
959 if(engineDir[0] != NULLCHAR) {
960 ASSIGN(appData.directory[i], engineDir); p = engineName;
961 } else if(p != engineName) { // derive directory from engine path, when not given
963 ASSIGN(appData.directory[i], engineName);
965 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
966 } else { ASSIGN(appData.directory[i], "."); }
967 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
969 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
970 snprintf(command, MSG_SIZ, "%s %s", p, params);
973 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
974 ASSIGN(appData.chessProgram[i], p);
975 appData.isUCI[i] = isUCI;
976 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
977 appData.hasOwnBookUCI[i] = hasBook;
978 if(!nickName[0]) useNick = FALSE;
979 if(useNick) ASSIGN(appData.pgnName[i], nickName);
983 q = firstChessProgramNames;
984 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
985 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
986 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
987 quote, p, quote, appData.directory[i],
988 useNick ? " -fn \"" : "",
989 useNick ? nickName : "",
991 v1 ? " -firstProtocolVersion 1" : "",
992 hasBook ? "" : " -fNoOwnBookUCI",
993 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
994 storeVariant ? " -variant " : "",
995 storeVariant ? VariantName(gameInfo.variant) : "");
996 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
997 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
998 if(insert != q) insert[-1] = NULLCHAR;
999 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1001 FloatToFront(&appData.recentEngineList, buf);
1003 ReplaceEngine(cps, i);
1009 int matched, min, sec;
1011 * Parse timeControl resource
1013 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1014 appData.movesPerSession)) {
1016 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1017 DisplayFatalError(buf, 0, 2);
1021 * Parse searchTime resource
1023 if (*appData.searchTime != NULLCHAR) {
1024 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1026 searchTime = min * 60;
1027 } else if (matched == 2) {
1028 searchTime = min * 60 + sec;
1031 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1032 DisplayFatalError(buf, 0, 2);
1041 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1042 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1044 GetTimeMark(&programStartTime);
1045 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1046 appData.seedBase = random() + (random()<<15);
1047 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1049 ClearProgramStats();
1050 programStats.ok_to_send = 1;
1051 programStats.seen_stat = 0;
1054 * Initialize game list
1060 * Internet chess server status
1062 if (appData.icsActive) {
1063 appData.matchMode = FALSE;
1064 appData.matchGames = 0;
1066 appData.noChessProgram = !appData.zippyPlay;
1068 appData.zippyPlay = FALSE;
1069 appData.zippyTalk = FALSE;
1070 appData.noChessProgram = TRUE;
1072 if (*appData.icsHelper != NULLCHAR) {
1073 appData.useTelnet = TRUE;
1074 appData.telnetProgram = appData.icsHelper;
1077 appData.zippyTalk = appData.zippyPlay = FALSE;
1080 /* [AS] Initialize pv info list [HGM] and game state */
1084 for( i=0; i<=framePtr; i++ ) {
1085 pvInfoList[i].depth = -1;
1086 boards[i][EP_STATUS] = EP_NONE;
1087 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1093 /* [AS] Adjudication threshold */
1094 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1096 InitEngine(&first, 0);
1097 InitEngine(&second, 1);
1100 pairing.which = "pairing"; // pairing engine
1101 pairing.pr = NoProc;
1103 pairing.program = appData.pairingEngine;
1104 pairing.host = "localhost";
1107 if (appData.icsActive) {
1108 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1109 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1110 appData.clockMode = FALSE;
1111 first.sendTime = second.sendTime = 0;
1115 /* Override some settings from environment variables, for backward
1116 compatibility. Unfortunately it's not feasible to have the env
1117 vars just set defaults, at least in xboard. Ugh.
1119 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1124 if (!appData.icsActive) {
1128 /* Check for variants that are supported only in ICS mode,
1129 or not at all. Some that are accepted here nevertheless
1130 have bugs; see comments below.
1132 VariantClass variant = StringToVariant(appData.variant);
1134 case VariantBughouse: /* need four players and two boards */
1135 case VariantKriegspiel: /* need to hide pieces and move details */
1136 /* case VariantFischeRandom: (Fabien: moved below) */
1137 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1138 if( (len >= MSG_SIZ) && appData.debugMode )
1139 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1141 DisplayFatalError(buf, 0, 2);
1144 case VariantUnknown:
1145 case VariantLoadable:
1155 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1156 if( (len >= MSG_SIZ) && appData.debugMode )
1157 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1159 DisplayFatalError(buf, 0, 2);
1162 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1163 case VariantFairy: /* [HGM] TestLegality definitely off! */
1164 case VariantGothic: /* [HGM] should work */
1165 case VariantCapablanca: /* [HGM] should work */
1166 case VariantCourier: /* [HGM] initial forced moves not implemented */
1167 case VariantShogi: /* [HGM] could still mate with pawn drop */
1168 case VariantChu: /* [HGM] experimental */
1169 case VariantKnightmate: /* [HGM] should work */
1170 case VariantCylinder: /* [HGM] untested */
1171 case VariantFalcon: /* [HGM] untested */
1172 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1173 offboard interposition not understood */
1174 case VariantNormal: /* definitely works! */
1175 case VariantWildCastle: /* pieces not automatically shuffled */
1176 case VariantNoCastle: /* pieces not automatically shuffled */
1177 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1178 case VariantLosers: /* should work except for win condition,
1179 and doesn't know captures are mandatory */
1180 case VariantSuicide: /* should work except for win condition,
1181 and doesn't know captures are mandatory */
1182 case VariantGiveaway: /* should work except for win condition,
1183 and doesn't know captures are mandatory */
1184 case VariantTwoKings: /* should work */
1185 case VariantAtomic: /* should work except for win condition */
1186 case Variant3Check: /* should work except for win condition */
1187 case VariantShatranj: /* should work except for all win conditions */
1188 case VariantMakruk: /* should work except for draw countdown */
1189 case VariantASEAN : /* should work except for draw countdown */
1190 case VariantBerolina: /* might work if TestLegality is off */
1191 case VariantCapaRandom: /* should work */
1192 case VariantJanus: /* should work */
1193 case VariantSuper: /* experimental */
1194 case VariantGreat: /* experimental, requires legality testing to be off */
1195 case VariantSChess: /* S-Chess, should work */
1196 case VariantGrand: /* should work */
1197 case VariantSpartan: /* should work */
1205 NextIntegerFromString (char ** str, long * value)
1210 while( *s == ' ' || *s == '\t' ) {
1216 if( *s >= '0' && *s <= '9' ) {
1217 while( *s >= '0' && *s <= '9' ) {
1218 *value = *value * 10 + (*s - '0');
1231 NextTimeControlFromString (char ** str, long * value)
1234 int result = NextIntegerFromString( str, &temp );
1237 *value = temp * 60; /* Minutes */
1238 if( **str == ':' ) {
1240 result = NextIntegerFromString( str, &temp );
1241 *value += temp; /* Seconds */
1249 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1250 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1251 int result = -1, type = 0; long temp, temp2;
1253 if(**str != ':') return -1; // old params remain in force!
1255 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1256 if( NextIntegerFromString( str, &temp ) ) return -1;
1257 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1260 /* time only: incremental or sudden-death time control */
1261 if(**str == '+') { /* increment follows; read it */
1263 if(**str == '!') type = *(*str)++; // Bronstein TC
1264 if(result = NextIntegerFromString( str, &temp2)) return -1;
1265 *inc = temp2 * 1000;
1266 if(**str == '.') { // read fraction of increment
1267 char *start = ++(*str);
1268 if(result = NextIntegerFromString( str, &temp2)) return -1;
1270 while(start++ < *str) temp2 /= 10;
1274 *moves = 0; *tc = temp * 1000; *incType = type;
1278 (*str)++; /* classical time control */
1279 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1291 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1292 { /* [HGM] get time to add from the multi-session time-control string */
1293 int incType, moves=1; /* kludge to force reading of first session */
1294 long time, increment;
1297 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1299 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1300 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1301 if(movenr == -1) return time; /* last move before new session */
1302 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1303 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1304 if(!moves) return increment; /* current session is incremental */
1305 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1306 } while(movenr >= -1); /* try again for next session */
1308 return 0; // no new time quota on this move
1312 ParseTimeControl (char *tc, float ti, int mps)
1316 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1319 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1320 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1321 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1325 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1327 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1330 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1332 snprintf(buf, MSG_SIZ, ":%s", mytc);
1334 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1336 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1341 /* Parse second time control */
1344 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1352 timeControl_2 = tc2 * 1000;
1362 timeControl = tc1 * 1000;
1365 timeIncrement = ti * 1000; /* convert to ms */
1366 movesPerSession = 0;
1369 movesPerSession = mps;
1377 if (appData.debugMode) {
1378 # ifdef __GIT_VERSION
1379 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1381 fprintf(debugFP, "Version: %s\n", programVersion);
1384 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1386 set_cont_sequence(appData.wrapContSeq);
1387 if (appData.matchGames > 0) {
1388 appData.matchMode = TRUE;
1389 } else if (appData.matchMode) {
1390 appData.matchGames = 1;
1392 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1393 appData.matchGames = appData.sameColorGames;
1394 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1395 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1396 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1399 if (appData.noChessProgram || first.protocolVersion == 1) {
1402 /* kludge: allow timeout for initial "feature" commands */
1404 DisplayMessage("", _("Starting chess program"));
1405 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1410 CalculateIndex (int index, int gameNr)
1411 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1413 if(index > 0) return index; // fixed nmber
1414 if(index == 0) return 1;
1415 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1416 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1421 LoadGameOrPosition (int gameNr)
1422 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1423 if (*appData.loadGameFile != NULLCHAR) {
1424 if (!LoadGameFromFile(appData.loadGameFile,
1425 CalculateIndex(appData.loadGameIndex, gameNr),
1426 appData.loadGameFile, FALSE)) {
1427 DisplayFatalError(_("Bad game file"), 0, 1);
1430 } else if (*appData.loadPositionFile != NULLCHAR) {
1431 if (!LoadPositionFromFile(appData.loadPositionFile,
1432 CalculateIndex(appData.loadPositionIndex, gameNr),
1433 appData.loadPositionFile)) {
1434 DisplayFatalError(_("Bad position file"), 0, 1);
1442 ReserveGame (int gameNr, char resChar)
1444 FILE *tf = fopen(appData.tourneyFile, "r+");
1445 char *p, *q, c, buf[MSG_SIZ];
1446 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1447 safeStrCpy(buf, lastMsg, MSG_SIZ);
1448 DisplayMessage(_("Pick new game"), "");
1449 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1450 ParseArgsFromFile(tf);
1451 p = q = appData.results;
1452 if(appData.debugMode) {
1453 char *r = appData.participants;
1454 fprintf(debugFP, "results = '%s'\n", p);
1455 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1456 fprintf(debugFP, "\n");
1458 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1460 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1461 safeStrCpy(q, p, strlen(p) + 2);
1462 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1463 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1464 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1465 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1468 fseek(tf, -(strlen(p)+4), SEEK_END);
1470 if(c != '"') // depending on DOS or Unix line endings we can be one off
1471 fseek(tf, -(strlen(p)+2), SEEK_END);
1472 else fseek(tf, -(strlen(p)+3), SEEK_END);
1473 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1474 DisplayMessage(buf, "");
1475 free(p); appData.results = q;
1476 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1477 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1478 int round = appData.defaultMatchGames * appData.tourneyType;
1479 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1480 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1481 UnloadEngine(&first); // next game belongs to other pairing;
1482 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1484 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1488 MatchEvent (int mode)
1489 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1491 if(matchMode) { // already in match mode: switch it off
1493 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1496 // if(gameMode != BeginningOfGame) {
1497 // DisplayError(_("You can only start a match from the initial position."), 0);
1501 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1502 /* Set up machine vs. machine match */
1504 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1505 if(appData.tourneyFile[0]) {
1507 if(nextGame > appData.matchGames) {
1509 if(strchr(appData.results, '*') == NULL) {
1511 appData.tourneyCycles++;
1512 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1514 NextTourneyGame(-1, &dummy);
1516 if(nextGame <= appData.matchGames) {
1517 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1519 ScheduleDelayedEvent(NextMatchGame, 10000);
1524 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1525 DisplayError(buf, 0);
1526 appData.tourneyFile[0] = 0;
1530 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1531 DisplayFatalError(_("Can't have a match with no chess programs"),
1536 matchGame = roundNr = 1;
1537 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1541 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1544 InitBackEnd3 P((void))
1546 GameMode initialMode;
1550 InitChessProgram(&first, startedFromSetupPosition);
1552 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1553 free(programVersion);
1554 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1555 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1556 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1559 if (appData.icsActive) {
1561 /* [DM] Make a console window if needed [HGM] merged ifs */
1567 if (*appData.icsCommPort != NULLCHAR)
1568 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1569 appData.icsCommPort);
1571 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1572 appData.icsHost, appData.icsPort);
1574 if( (len >= MSG_SIZ) && appData.debugMode )
1575 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1577 DisplayFatalError(buf, err, 1);
1582 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1584 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1585 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1586 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1587 } else if (appData.noChessProgram) {
1593 if (*appData.cmailGameName != NULLCHAR) {
1595 OpenLoopback(&cmailPR);
1597 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1601 DisplayMessage("", "");
1602 if (StrCaseCmp(appData.initialMode, "") == 0) {
1603 initialMode = BeginningOfGame;
1604 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1605 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1606 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1607 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1610 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1611 initialMode = TwoMachinesPlay;
1612 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1613 initialMode = AnalyzeFile;
1614 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1615 initialMode = AnalyzeMode;
1616 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1617 initialMode = MachinePlaysWhite;
1618 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1619 initialMode = MachinePlaysBlack;
1620 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1621 initialMode = EditGame;
1622 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1623 initialMode = EditPosition;
1624 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1625 initialMode = Training;
1627 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1628 if( (len >= MSG_SIZ) && appData.debugMode )
1629 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1631 DisplayFatalError(buf, 0, 2);
1635 if (appData.matchMode) {
1636 if(appData.tourneyFile[0]) { // start tourney from command line
1638 if(f = fopen(appData.tourneyFile, "r")) {
1639 ParseArgsFromFile(f); // make sure tourney parmeters re known
1641 appData.clockMode = TRUE;
1643 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1646 } else if (*appData.cmailGameName != NULLCHAR) {
1647 /* Set up cmail mode */
1648 ReloadCmailMsgEvent(TRUE);
1650 /* Set up other modes */
1651 if (initialMode == AnalyzeFile) {
1652 if (*appData.loadGameFile == NULLCHAR) {
1653 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1657 if (*appData.loadGameFile != NULLCHAR) {
1658 (void) LoadGameFromFile(appData.loadGameFile,
1659 appData.loadGameIndex,
1660 appData.loadGameFile, TRUE);
1661 } else if (*appData.loadPositionFile != NULLCHAR) {
1662 (void) LoadPositionFromFile(appData.loadPositionFile,
1663 appData.loadPositionIndex,
1664 appData.loadPositionFile);
1665 /* [HGM] try to make self-starting even after FEN load */
1666 /* to allow automatic setup of fairy variants with wtm */
1667 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1668 gameMode = BeginningOfGame;
1669 setboardSpoiledMachineBlack = 1;
1671 /* [HGM] loadPos: make that every new game uses the setup */
1672 /* from file as long as we do not switch variant */
1673 if(!blackPlaysFirst) {
1674 startedFromPositionFile = TRUE;
1675 CopyBoard(filePosition, boards[0]);
1678 if (initialMode == AnalyzeMode) {
1679 if (appData.noChessProgram) {
1680 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1683 if (appData.icsActive) {
1684 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1688 } else if (initialMode == AnalyzeFile) {
1689 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1690 ShowThinkingEvent();
1692 AnalysisPeriodicEvent(1);
1693 } else if (initialMode == MachinePlaysWhite) {
1694 if (appData.noChessProgram) {
1695 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1699 if (appData.icsActive) {
1700 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1704 MachineWhiteEvent();
1705 } else if (initialMode == MachinePlaysBlack) {
1706 if (appData.noChessProgram) {
1707 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1711 if (appData.icsActive) {
1712 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1716 MachineBlackEvent();
1717 } else if (initialMode == TwoMachinesPlay) {
1718 if (appData.noChessProgram) {
1719 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1723 if (appData.icsActive) {
1724 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1729 } else if (initialMode == EditGame) {
1731 } else if (initialMode == EditPosition) {
1732 EditPositionEvent();
1733 } else if (initialMode == Training) {
1734 if (*appData.loadGameFile == NULLCHAR) {
1735 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1744 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1746 DisplayBook(current+1);
1748 MoveHistorySet( movelist, first, last, current, pvInfoList );
1750 EvalGraphSet( first, last, current, pvInfoList );
1752 MakeEngineOutputTitle();
1756 * Establish will establish a contact to a remote host.port.
1757 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1758 * used to talk to the host.
1759 * Returns 0 if okay, error code if not.
1766 if (*appData.icsCommPort != NULLCHAR) {
1767 /* Talk to the host through a serial comm port */
1768 return OpenCommPort(appData.icsCommPort, &icsPR);
1770 } else if (*appData.gateway != NULLCHAR) {
1771 if (*appData.remoteShell == NULLCHAR) {
1772 /* Use the rcmd protocol to run telnet program on a gateway host */
1773 snprintf(buf, sizeof(buf), "%s %s %s",
1774 appData.telnetProgram, appData.icsHost, appData.icsPort);
1775 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1778 /* Use the rsh program to run telnet program on a gateway host */
1779 if (*appData.remoteUser == NULLCHAR) {
1780 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1781 appData.gateway, appData.telnetProgram,
1782 appData.icsHost, appData.icsPort);
1784 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1785 appData.remoteShell, appData.gateway,
1786 appData.remoteUser, appData.telnetProgram,
1787 appData.icsHost, appData.icsPort);
1789 return StartChildProcess(buf, "", &icsPR);
1792 } else if (appData.useTelnet) {
1793 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1796 /* TCP socket interface differs somewhat between
1797 Unix and NT; handle details in the front end.
1799 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1804 EscapeExpand (char *p, char *q)
1805 { // [HGM] initstring: routine to shape up string arguments
1806 while(*p++ = *q++) if(p[-1] == '\\')
1808 case 'n': p[-1] = '\n'; break;
1809 case 'r': p[-1] = '\r'; break;
1810 case 't': p[-1] = '\t'; break;
1811 case '\\': p[-1] = '\\'; break;
1812 case 0: *p = 0; return;
1813 default: p[-1] = q[-1]; break;
1818 show_bytes (FILE *fp, char *buf, int count)
1821 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1822 fprintf(fp, "\\%03o", *buf & 0xff);
1831 /* Returns an errno value */
1833 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1835 char buf[8192], *p, *q, *buflim;
1836 int left, newcount, outcount;
1838 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1839 *appData.gateway != NULLCHAR) {
1840 if (appData.debugMode) {
1841 fprintf(debugFP, ">ICS: ");
1842 show_bytes(debugFP, message, count);
1843 fprintf(debugFP, "\n");
1845 return OutputToProcess(pr, message, count, outError);
1848 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1855 if (appData.debugMode) {
1856 fprintf(debugFP, ">ICS: ");
1857 show_bytes(debugFP, buf, newcount);
1858 fprintf(debugFP, "\n");
1860 outcount = OutputToProcess(pr, buf, newcount, outError);
1861 if (outcount < newcount) return -1; /* to be sure */
1868 } else if (((unsigned char) *p) == TN_IAC) {
1869 *q++ = (char) TN_IAC;
1876 if (appData.debugMode) {
1877 fprintf(debugFP, ">ICS: ");
1878 show_bytes(debugFP, buf, newcount);
1879 fprintf(debugFP, "\n");
1881 outcount = OutputToProcess(pr, buf, newcount, outError);
1882 if (outcount < newcount) return -1; /* to be sure */
1887 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1889 int outError, outCount;
1890 static int gotEof = 0;
1893 /* Pass data read from player on to ICS */
1896 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1897 if (outCount < count) {
1898 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1900 if(have_sent_ICS_logon == 2) {
1901 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1902 fprintf(ini, "%s", message);
1903 have_sent_ICS_logon = 3;
1905 have_sent_ICS_logon = 1;
1906 } else if(have_sent_ICS_logon == 3) {
1907 fprintf(ini, "%s", message);
1909 have_sent_ICS_logon = 1;
1911 } else if (count < 0) {
1912 RemoveInputSource(isr);
1913 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1914 } else if (gotEof++ > 0) {
1915 RemoveInputSource(isr);
1916 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1922 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1923 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1924 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1925 SendToICS("date\n");
1926 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1929 /* added routine for printf style output to ics */
1931 ics_printf (char *format, ...)
1933 char buffer[MSG_SIZ];
1936 va_start(args, format);
1937 vsnprintf(buffer, sizeof(buffer), format, args);
1938 buffer[sizeof(buffer)-1] = '\0';
1946 int count, outCount, outError;
1948 if (icsPR == NoProc) return;
1951 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1952 if (outCount < count) {
1953 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1957 /* This is used for sending logon scripts to the ICS. Sending
1958 without a delay causes problems when using timestamp on ICC
1959 (at least on my machine). */
1961 SendToICSDelayed (char *s, long msdelay)
1963 int count, outCount, outError;
1965 if (icsPR == NoProc) return;
1968 if (appData.debugMode) {
1969 fprintf(debugFP, ">ICS: ");
1970 show_bytes(debugFP, s, count);
1971 fprintf(debugFP, "\n");
1973 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1975 if (outCount < count) {
1976 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1981 /* Remove all highlighting escape sequences in s
1982 Also deletes any suffix starting with '('
1985 StripHighlightAndTitle (char *s)
1987 static char retbuf[MSG_SIZ];
1990 while (*s != NULLCHAR) {
1991 while (*s == '\033') {
1992 while (*s != NULLCHAR && !isalpha(*s)) s++;
1993 if (*s != NULLCHAR) s++;
1995 while (*s != NULLCHAR && *s != '\033') {
1996 if (*s == '(' || *s == '[') {
2007 /* Remove all highlighting escape sequences in s */
2009 StripHighlight (char *s)
2011 static char retbuf[MSG_SIZ];
2014 while (*s != NULLCHAR) {
2015 while (*s == '\033') {
2016 while (*s != NULLCHAR && !isalpha(*s)) s++;
2017 if (*s != NULLCHAR) s++;
2019 while (*s != NULLCHAR && *s != '\033') {
2027 char engineVariant[MSG_SIZ];
2028 char *variantNames[] = VARIANT_NAMES;
2030 VariantName (VariantClass v)
2032 if(v == VariantUnknown || *engineVariant) return engineVariant;
2033 return variantNames[v];
2037 /* Identify a variant from the strings the chess servers use or the
2038 PGN Variant tag names we use. */
2040 StringToVariant (char *e)
2044 VariantClass v = VariantNormal;
2045 int i, found = FALSE;
2051 /* [HGM] skip over optional board-size prefixes */
2052 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2053 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2054 while( *e++ != '_');
2057 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2061 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2062 if (StrCaseStr(e, variantNames[i])) {
2063 v = (VariantClass) i;
2070 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2071 || StrCaseStr(e, "wild/fr")
2072 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2073 v = VariantFischeRandom;
2074 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2075 (i = 1, p = StrCaseStr(e, "w"))) {
2077 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2084 case 0: /* FICS only, actually */
2086 /* Castling legal even if K starts on d-file */
2087 v = VariantWildCastle;
2092 /* Castling illegal even if K & R happen to start in
2093 normal positions. */
2094 v = VariantNoCastle;
2107 /* Castling legal iff K & R start in normal positions */
2113 /* Special wilds for position setup; unclear what to do here */
2114 v = VariantLoadable;
2117 /* Bizarre ICC game */
2118 v = VariantTwoKings;
2121 v = VariantKriegspiel;
2127 v = VariantFischeRandom;
2130 v = VariantCrazyhouse;
2133 v = VariantBughouse;
2139 /* Not quite the same as FICS suicide! */
2140 v = VariantGiveaway;
2146 v = VariantShatranj;
2149 /* Temporary names for future ICC types. The name *will* change in
2150 the next xboard/WinBoard release after ICC defines it. */
2188 v = VariantCapablanca;
2191 v = VariantKnightmate;
2197 v = VariantCylinder;
2203 v = VariantCapaRandom;
2206 v = VariantBerolina;
2218 /* Found "wild" or "w" in the string but no number;
2219 must assume it's normal chess. */
2223 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2224 if( (len >= MSG_SIZ) && appData.debugMode )
2225 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2227 DisplayError(buf, 0);
2233 if (appData.debugMode) {
2234 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2235 e, wnum, VariantName(v));
2240 static int leftover_start = 0, leftover_len = 0;
2241 char star_match[STAR_MATCH_N][MSG_SIZ];
2243 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2244 advance *index beyond it, and set leftover_start to the new value of
2245 *index; else return FALSE. If pattern contains the character '*', it
2246 matches any sequence of characters not containing '\r', '\n', or the
2247 character following the '*' (if any), and the matched sequence(s) are
2248 copied into star_match.
2251 looking_at ( char *buf, int *index, char *pattern)
2253 char *bufp = &buf[*index], *patternp = pattern;
2255 char *matchp = star_match[0];
2258 if (*patternp == NULLCHAR) {
2259 *index = leftover_start = bufp - buf;
2263 if (*bufp == NULLCHAR) return FALSE;
2264 if (*patternp == '*') {
2265 if (*bufp == *(patternp + 1)) {
2267 matchp = star_match[++star_count];
2271 } else if (*bufp == '\n' || *bufp == '\r') {
2273 if (*patternp == NULLCHAR)
2278 *matchp++ = *bufp++;
2282 if (*patternp != *bufp) return FALSE;
2289 SendToPlayer (char *data, int length)
2291 int error, outCount;
2292 outCount = OutputToProcess(NoProc, data, length, &error);
2293 if (outCount < length) {
2294 DisplayFatalError(_("Error writing to display"), error, 1);
2299 PackHolding (char packed[], char *holding)
2309 switch (runlength) {
2320 sprintf(q, "%d", runlength);
2332 /* Telnet protocol requests from the front end */
2334 TelnetRequest (unsigned char ddww, unsigned char option)
2336 unsigned char msg[3];
2337 int outCount, outError;
2339 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2341 if (appData.debugMode) {
2342 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2358 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2367 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2370 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2375 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2377 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2384 if (!appData.icsActive) return;
2385 TelnetRequest(TN_DO, TN_ECHO);
2391 if (!appData.icsActive) return;
2392 TelnetRequest(TN_DONT, TN_ECHO);
2396 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2398 /* put the holdings sent to us by the server on the board holdings area */
2399 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2403 if(gameInfo.holdingsWidth < 2) return;
2404 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2405 return; // prevent overwriting by pre-board holdings
2407 if( (int)lowestPiece >= BlackPawn ) {
2410 holdingsStartRow = BOARD_HEIGHT-1;
2413 holdingsColumn = BOARD_WIDTH-1;
2414 countsColumn = BOARD_WIDTH-2;
2415 holdingsStartRow = 0;
2419 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2420 board[i][holdingsColumn] = EmptySquare;
2421 board[i][countsColumn] = (ChessSquare) 0;
2423 while( (p=*holdings++) != NULLCHAR ) {
2424 piece = CharToPiece( ToUpper(p) );
2425 if(piece == EmptySquare) continue;
2426 /*j = (int) piece - (int) WhitePawn;*/
2427 j = PieceToNumber(piece);
2428 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2429 if(j < 0) continue; /* should not happen */
2430 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2431 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2432 board[holdingsStartRow+j*direction][countsColumn]++;
2438 VariantSwitch (Board board, VariantClass newVariant)
2440 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2441 static Board oldBoard;
2443 startedFromPositionFile = FALSE;
2444 if(gameInfo.variant == newVariant) return;
2446 /* [HGM] This routine is called each time an assignment is made to
2447 * gameInfo.variant during a game, to make sure the board sizes
2448 * are set to match the new variant. If that means adding or deleting
2449 * holdings, we shift the playing board accordingly
2450 * This kludge is needed because in ICS observe mode, we get boards
2451 * of an ongoing game without knowing the variant, and learn about the
2452 * latter only later. This can be because of the move list we requested,
2453 * in which case the game history is refilled from the beginning anyway,
2454 * but also when receiving holdings of a crazyhouse game. In the latter
2455 * case we want to add those holdings to the already received position.
2459 if (appData.debugMode) {
2460 fprintf(debugFP, "Switch board from %s to %s\n",
2461 VariantName(gameInfo.variant), VariantName(newVariant));
2462 setbuf(debugFP, NULL);
2464 shuffleOpenings = 0; /* [HGM] shuffle */
2465 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2469 newWidth = 9; newHeight = 9;
2470 gameInfo.holdingsSize = 7;
2471 case VariantBughouse:
2472 case VariantCrazyhouse:
2473 newHoldingsWidth = 2; break;
2477 newHoldingsWidth = 2;
2478 gameInfo.holdingsSize = 8;
2481 case VariantCapablanca:
2482 case VariantCapaRandom:
2485 newHoldingsWidth = gameInfo.holdingsSize = 0;
2488 if(newWidth != gameInfo.boardWidth ||
2489 newHeight != gameInfo.boardHeight ||
2490 newHoldingsWidth != gameInfo.holdingsWidth ) {
2492 /* shift position to new playing area, if needed */
2493 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2494 for(i=0; i<BOARD_HEIGHT; i++)
2495 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2496 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2498 for(i=0; i<newHeight; i++) {
2499 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2500 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2502 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2503 for(i=0; i<BOARD_HEIGHT; i++)
2504 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2505 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2508 board[HOLDINGS_SET] = 0;
2509 gameInfo.boardWidth = newWidth;
2510 gameInfo.boardHeight = newHeight;
2511 gameInfo.holdingsWidth = newHoldingsWidth;
2512 gameInfo.variant = newVariant;
2513 InitDrawingSizes(-2, 0);
2514 } else gameInfo.variant = newVariant;
2515 CopyBoard(oldBoard, board); // remember correctly formatted board
2516 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2517 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2520 static int loggedOn = FALSE;
2522 /*-- Game start info cache: --*/
2524 char gs_kind[MSG_SIZ];
2525 static char player1Name[128] = "";
2526 static char player2Name[128] = "";
2527 static char cont_seq[] = "\n\\ ";
2528 static int player1Rating = -1;
2529 static int player2Rating = -1;
2530 /*----------------------------*/
2532 ColorClass curColor = ColorNormal;
2533 int suppressKibitz = 0;
2536 Boolean soughtPending = FALSE;
2537 Boolean seekGraphUp;
2538 #define MAX_SEEK_ADS 200
2540 char *seekAdList[MAX_SEEK_ADS];
2541 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2542 float tcList[MAX_SEEK_ADS];
2543 char colorList[MAX_SEEK_ADS];
2544 int nrOfSeekAds = 0;
2545 int minRating = 1010, maxRating = 2800;
2546 int hMargin = 10, vMargin = 20, h, w;
2547 extern int squareSize, lineGap;
2552 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2553 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2554 if(r < minRating+100 && r >=0 ) r = minRating+100;
2555 if(r > maxRating) r = maxRating;
2556 if(tc < 1.f) tc = 1.f;
2557 if(tc > 95.f) tc = 95.f;
2558 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2559 y = ((double)r - minRating)/(maxRating - minRating)
2560 * (h-vMargin-squareSize/8-1) + vMargin;
2561 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2562 if(strstr(seekAdList[i], " u ")) color = 1;
2563 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2564 !strstr(seekAdList[i], "bullet") &&
2565 !strstr(seekAdList[i], "blitz") &&
2566 !strstr(seekAdList[i], "standard") ) color = 2;
2567 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2568 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2572 PlotSingleSeekAd (int i)
2578 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2580 char buf[MSG_SIZ], *ext = "";
2581 VariantClass v = StringToVariant(type);
2582 if(strstr(type, "wild")) {
2583 ext = type + 4; // append wild number
2584 if(v == VariantFischeRandom) type = "chess960"; else
2585 if(v == VariantLoadable) type = "setup"; else
2586 type = VariantName(v);
2588 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2589 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2590 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2591 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2592 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2593 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2594 seekNrList[nrOfSeekAds] = nr;
2595 zList[nrOfSeekAds] = 0;
2596 seekAdList[nrOfSeekAds++] = StrSave(buf);
2597 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2602 EraseSeekDot (int i)
2604 int x = xList[i], y = yList[i], d=squareSize/4, k;
2605 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2606 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2607 // now replot every dot that overlapped
2608 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2609 int xx = xList[k], yy = yList[k];
2610 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2611 DrawSeekDot(xx, yy, colorList[k]);
2616 RemoveSeekAd (int nr)
2619 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2621 if(seekAdList[i]) free(seekAdList[i]);
2622 seekAdList[i] = seekAdList[--nrOfSeekAds];
2623 seekNrList[i] = seekNrList[nrOfSeekAds];
2624 ratingList[i] = ratingList[nrOfSeekAds];
2625 colorList[i] = colorList[nrOfSeekAds];
2626 tcList[i] = tcList[nrOfSeekAds];
2627 xList[i] = xList[nrOfSeekAds];
2628 yList[i] = yList[nrOfSeekAds];
2629 zList[i] = zList[nrOfSeekAds];
2630 seekAdList[nrOfSeekAds] = NULL;
2636 MatchSoughtLine (char *line)
2638 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2639 int nr, base, inc, u=0; char dummy;
2641 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2642 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2644 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2645 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2646 // match: compact and save the line
2647 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2657 if(!seekGraphUp) return FALSE;
2658 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2659 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2661 DrawSeekBackground(0, 0, w, h);
2662 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2663 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2664 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2665 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2667 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2670 snprintf(buf, MSG_SIZ, "%d", i);
2671 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2674 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2675 for(i=1; i<100; i+=(i<10?1:5)) {
2676 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2677 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2678 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2680 snprintf(buf, MSG_SIZ, "%d", i);
2681 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2684 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2689 SeekGraphClick (ClickType click, int x, int y, int moving)
2691 static int lastDown = 0, displayed = 0, lastSecond;
2692 if(y < 0) return FALSE;
2693 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2694 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2695 if(!seekGraphUp) return FALSE;
2696 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2697 DrawPosition(TRUE, NULL);
2700 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2701 if(click == Release || moving) return FALSE;
2703 soughtPending = TRUE;
2704 SendToICS(ics_prefix);
2705 SendToICS("sought\n"); // should this be "sought all"?
2706 } else { // issue challenge based on clicked ad
2707 int dist = 10000; int i, closest = 0, second = 0;
2708 for(i=0; i<nrOfSeekAds; i++) {
2709 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2710 if(d < dist) { dist = d; closest = i; }
2711 second += (d - zList[i] < 120); // count in-range ads
2712 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2716 second = (second > 1);
2717 if(displayed != closest || second != lastSecond) {
2718 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2719 lastSecond = second; displayed = closest;
2721 if(click == Press) {
2722 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2725 } // on press 'hit', only show info
2726 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2727 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2728 SendToICS(ics_prefix);
2730 return TRUE; // let incoming board of started game pop down the graph
2731 } else if(click == Release) { // release 'miss' is ignored
2732 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2733 if(moving == 2) { // right up-click
2734 nrOfSeekAds = 0; // refresh graph
2735 soughtPending = TRUE;
2736 SendToICS(ics_prefix);
2737 SendToICS("sought\n"); // should this be "sought all"?
2740 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2741 // press miss or release hit 'pop down' seek graph
2742 seekGraphUp = FALSE;
2743 DrawPosition(TRUE, NULL);
2749 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2751 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2752 #define STARTED_NONE 0
2753 #define STARTED_MOVES 1
2754 #define STARTED_BOARD 2
2755 #define STARTED_OBSERVE 3
2756 #define STARTED_HOLDINGS 4
2757 #define STARTED_CHATTER 5
2758 #define STARTED_COMMENT 6
2759 #define STARTED_MOVES_NOHIDE 7
2761 static int started = STARTED_NONE;
2762 static char parse[20000];
2763 static int parse_pos = 0;
2764 static char buf[BUF_SIZE + 1];
2765 static int firstTime = TRUE, intfSet = FALSE;
2766 static ColorClass prevColor = ColorNormal;
2767 static int savingComment = FALSE;
2768 static int cmatch = 0; // continuation sequence match
2775 int backup; /* [DM] For zippy color lines */
2777 char talker[MSG_SIZ]; // [HGM] chat
2780 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2782 if (appData.debugMode) {
2784 fprintf(debugFP, "<ICS: ");
2785 show_bytes(debugFP, data, count);
2786 fprintf(debugFP, "\n");
2790 if (appData.debugMode) { int f = forwardMostMove;
2791 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2792 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2793 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2796 /* If last read ended with a partial line that we couldn't parse,
2797 prepend it to the new read and try again. */
2798 if (leftover_len > 0) {
2799 for (i=0; i<leftover_len; i++)
2800 buf[i] = buf[leftover_start + i];
2803 /* copy new characters into the buffer */
2804 bp = buf + leftover_len;
2805 buf_len=leftover_len;
2806 for (i=0; i<count; i++)
2809 if (data[i] == '\r')
2812 // join lines split by ICS?
2813 if (!appData.noJoin)
2816 Joining just consists of finding matches against the
2817 continuation sequence, and discarding that sequence
2818 if found instead of copying it. So, until a match
2819 fails, there's nothing to do since it might be the
2820 complete sequence, and thus, something we don't want
2823 if (data[i] == cont_seq[cmatch])
2826 if (cmatch == strlen(cont_seq))
2828 cmatch = 0; // complete match. just reset the counter
2831 it's possible for the ICS to not include the space
2832 at the end of the last word, making our [correct]
2833 join operation fuse two separate words. the server
2834 does this when the space occurs at the width setting.
2836 if (!buf_len || buf[buf_len-1] != ' ')
2847 match failed, so we have to copy what matched before
2848 falling through and copying this character. In reality,
2849 this will only ever be just the newline character, but
2850 it doesn't hurt to be precise.
2852 strncpy(bp, cont_seq, cmatch);
2864 buf[buf_len] = NULLCHAR;
2865 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2870 while (i < buf_len) {
2871 /* Deal with part of the TELNET option negotiation
2872 protocol. We refuse to do anything beyond the
2873 defaults, except that we allow the WILL ECHO option,
2874 which ICS uses to turn off password echoing when we are
2875 directly connected to it. We reject this option
2876 if localLineEditing mode is on (always on in xboard)
2877 and we are talking to port 23, which might be a real
2878 telnet server that will try to keep WILL ECHO on permanently.
2880 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2881 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2882 unsigned char option;
2884 switch ((unsigned char) buf[++i]) {
2886 if (appData.debugMode)
2887 fprintf(debugFP, "\n<WILL ");
2888 switch (option = (unsigned char) buf[++i]) {
2890 if (appData.debugMode)
2891 fprintf(debugFP, "ECHO ");
2892 /* Reply only if this is a change, according
2893 to the protocol rules. */
2894 if (remoteEchoOption) break;
2895 if (appData.localLineEditing &&
2896 atoi(appData.icsPort) == TN_PORT) {
2897 TelnetRequest(TN_DONT, TN_ECHO);
2900 TelnetRequest(TN_DO, TN_ECHO);
2901 remoteEchoOption = TRUE;
2905 if (appData.debugMode)
2906 fprintf(debugFP, "%d ", option);
2907 /* Whatever this is, we don't want it. */
2908 TelnetRequest(TN_DONT, option);
2913 if (appData.debugMode)
2914 fprintf(debugFP, "\n<WONT ");
2915 switch (option = (unsigned char) buf[++i]) {
2917 if (appData.debugMode)
2918 fprintf(debugFP, "ECHO ");
2919 /* Reply only if this is a change, according
2920 to the protocol rules. */
2921 if (!remoteEchoOption) break;
2923 TelnetRequest(TN_DONT, TN_ECHO);
2924 remoteEchoOption = FALSE;
2927 if (appData.debugMode)
2928 fprintf(debugFP, "%d ", (unsigned char) option);
2929 /* Whatever this is, it must already be turned
2930 off, because we never agree to turn on
2931 anything non-default, so according to the
2932 protocol rules, we don't reply. */
2937 if (appData.debugMode)
2938 fprintf(debugFP, "\n<DO ");
2939 switch (option = (unsigned char) buf[++i]) {
2941 /* Whatever this is, we refuse to do it. */
2942 if (appData.debugMode)
2943 fprintf(debugFP, "%d ", option);
2944 TelnetRequest(TN_WONT, option);
2949 if (appData.debugMode)
2950 fprintf(debugFP, "\n<DONT ");
2951 switch (option = (unsigned char) buf[++i]) {
2953 if (appData.debugMode)
2954 fprintf(debugFP, "%d ", option);
2955 /* Whatever this is, we are already not doing
2956 it, because we never agree to do anything
2957 non-default, so according to the protocol
2958 rules, we don't reply. */
2963 if (appData.debugMode)
2964 fprintf(debugFP, "\n<IAC ");
2965 /* Doubled IAC; pass it through */
2969 if (appData.debugMode)
2970 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2971 /* Drop all other telnet commands on the floor */
2974 if (oldi > next_out)
2975 SendToPlayer(&buf[next_out], oldi - next_out);
2981 /* OK, this at least will *usually* work */
2982 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2986 if (loggedOn && !intfSet) {
2987 if (ics_type == ICS_ICC) {
2988 snprintf(str, MSG_SIZ,
2989 "/set-quietly interface %s\n/set-quietly style 12\n",
2991 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2992 strcat(str, "/set-2 51 1\n/set seek 1\n");
2993 } else if (ics_type == ICS_CHESSNET) {
2994 snprintf(str, MSG_SIZ, "/style 12\n");
2996 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2997 strcat(str, programVersion);
2998 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2999 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3000 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3002 strcat(str, "$iset nohighlight 1\n");
3004 strcat(str, "$iset lock 1\n$style 12\n");
3007 NotifyFrontendLogin();
3011 if (started == STARTED_COMMENT) {
3012 /* Accumulate characters in comment */
3013 parse[parse_pos++] = buf[i];
3014 if (buf[i] == '\n') {
3015 parse[parse_pos] = NULLCHAR;
3016 if(chattingPartner>=0) {
3018 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3019 OutputChatMessage(chattingPartner, mess);
3020 chattingPartner = -1;
3021 next_out = i+1; // [HGM] suppress printing in ICS window
3023 if(!suppressKibitz) // [HGM] kibitz
3024 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3025 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3026 int nrDigit = 0, nrAlph = 0, j;
3027 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3028 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3029 parse[parse_pos] = NULLCHAR;
3030 // try to be smart: if it does not look like search info, it should go to
3031 // ICS interaction window after all, not to engine-output window.
3032 for(j=0; j<parse_pos; j++) { // count letters and digits
3033 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3034 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3035 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3037 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3038 int depth=0; float score;
3039 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3040 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3041 pvInfoList[forwardMostMove-1].depth = depth;
3042 pvInfoList[forwardMostMove-1].score = 100*score;
3044 OutputKibitz(suppressKibitz, parse);
3047 if(gameMode == IcsObserving) // restore original ICS messages
3048 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3049 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3051 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3052 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3053 SendToPlayer(tmp, strlen(tmp));
3055 next_out = i+1; // [HGM] suppress printing in ICS window
3057 started = STARTED_NONE;
3059 /* Don't match patterns against characters in comment */
3064 if (started == STARTED_CHATTER) {
3065 if (buf[i] != '\n') {
3066 /* Don't match patterns against characters in chatter */
3070 started = STARTED_NONE;
3071 if(suppressKibitz) next_out = i+1;
3074 /* Kludge to deal with rcmd protocol */
3075 if (firstTime && looking_at(buf, &i, "\001*")) {
3076 DisplayFatalError(&buf[1], 0, 1);
3082 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3085 if (appData.debugMode)
3086 fprintf(debugFP, "ics_type %d\n", ics_type);
3089 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3090 ics_type = ICS_FICS;
3092 if (appData.debugMode)
3093 fprintf(debugFP, "ics_type %d\n", ics_type);
3096 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3097 ics_type = ICS_CHESSNET;
3099 if (appData.debugMode)
3100 fprintf(debugFP, "ics_type %d\n", ics_type);
3105 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3106 looking_at(buf, &i, "Logging you in as \"*\"") ||
3107 looking_at(buf, &i, "will be \"*\""))) {
3108 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3112 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3114 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3115 DisplayIcsInteractionTitle(buf);
3116 have_set_title = TRUE;
3119 /* skip finger notes */
3120 if (started == STARTED_NONE &&
3121 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3122 (buf[i] == '1' && buf[i+1] == '0')) &&
3123 buf[i+2] == ':' && buf[i+3] == ' ') {
3124 started = STARTED_CHATTER;
3130 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3131 if(appData.seekGraph) {
3132 if(soughtPending && MatchSoughtLine(buf+i)) {
3133 i = strstr(buf+i, "rated") - buf;
3134 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3135 next_out = leftover_start = i;
3136 started = STARTED_CHATTER;
3137 suppressKibitz = TRUE;
3140 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3141 && looking_at(buf, &i, "* ads displayed")) {
3142 soughtPending = FALSE;
3147 if(appData.autoRefresh) {
3148 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3149 int s = (ics_type == ICS_ICC); // ICC format differs
3151 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3152 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3153 looking_at(buf, &i, "*% "); // eat prompt
3154 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3155 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3156 next_out = i; // suppress
3159 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3160 char *p = star_match[0];
3162 if(seekGraphUp) RemoveSeekAd(atoi(p));
3163 while(*p && *p++ != ' '); // next
3165 looking_at(buf, &i, "*% "); // eat prompt
3166 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3173 /* skip formula vars */
3174 if (started == STARTED_NONE &&
3175 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3176 started = STARTED_CHATTER;
3181 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3182 if (appData.autoKibitz && started == STARTED_NONE &&
3183 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3184 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3185 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3186 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3187 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3188 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3189 suppressKibitz = TRUE;
3190 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3192 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3193 && (gameMode == IcsPlayingWhite)) ||
3194 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3195 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3196 started = STARTED_CHATTER; // own kibitz we simply discard
3198 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3199 parse_pos = 0; parse[0] = NULLCHAR;
3200 savingComment = TRUE;
3201 suppressKibitz = gameMode != IcsObserving ? 2 :
3202 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3206 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3207 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3208 && atoi(star_match[0])) {
3209 // suppress the acknowledgements of our own autoKibitz
3211 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3212 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3213 SendToPlayer(star_match[0], strlen(star_match[0]));
3214 if(looking_at(buf, &i, "*% ")) // eat prompt
3215 suppressKibitz = FALSE;
3219 } // [HGM] kibitz: end of patch
3221 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3223 // [HGM] chat: intercept tells by users for which we have an open chat window
3225 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3226 looking_at(buf, &i, "* whispers:") ||
3227 looking_at(buf, &i, "* kibitzes:") ||
3228 looking_at(buf, &i, "* shouts:") ||
3229 looking_at(buf, &i, "* c-shouts:") ||
3230 looking_at(buf, &i, "--> * ") ||
3231 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3232 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3233 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3234 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3236 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3237 chattingPartner = -1;
3239 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3240 for(p=0; p<MAX_CHAT; p++) {
3241 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3242 talker[0] = '['; strcat(talker, "] ");
3243 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3244 chattingPartner = p; break;
3247 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3248 for(p=0; p<MAX_CHAT; p++) {
3249 if(!strcmp("kibitzes", chatPartner[p])) {
3250 talker[0] = '['; strcat(talker, "] ");
3251 chattingPartner = p; break;
3254 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3255 for(p=0; p<MAX_CHAT; p++) {
3256 if(!strcmp("whispers", chatPartner[p])) {
3257 talker[0] = '['; strcat(talker, "] ");
3258 chattingPartner = p; break;
3261 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3262 if(buf[i-8] == '-' && buf[i-3] == 't')
3263 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3264 if(!strcmp("c-shouts", chatPartner[p])) {
3265 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3266 chattingPartner = p; break;
3269 if(chattingPartner < 0)
3270 for(p=0; p<MAX_CHAT; p++) {
3271 if(!strcmp("shouts", chatPartner[p])) {
3272 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3273 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3274 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3275 chattingPartner = p; break;
3279 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3280 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3281 talker[0] = 0; Colorize(ColorTell, FALSE);
3282 chattingPartner = p; break;
3284 if(chattingPartner<0) i = oldi; else {
3285 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3286 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3287 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3288 started = STARTED_COMMENT;
3289 parse_pos = 0; parse[0] = NULLCHAR;
3290 savingComment = 3 + chattingPartner; // counts as TRUE
3291 suppressKibitz = TRUE;
3294 } // [HGM] chat: end of patch
3297 if (appData.zippyTalk || appData.zippyPlay) {
3298 /* [DM] Backup address for color zippy lines */
3300 if (loggedOn == TRUE)
3301 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3302 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3304 } // [DM] 'else { ' deleted
3306 /* Regular tells and says */
3307 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3308 looking_at(buf, &i, "* (your partner) tells you: ") ||
3309 looking_at(buf, &i, "* says: ") ||
3310 /* Don't color "message" or "messages" output */
3311 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3312 looking_at(buf, &i, "*. * at *:*: ") ||
3313 looking_at(buf, &i, "--* (*:*): ") ||
3314 /* Message notifications (same color as tells) */
3315 looking_at(buf, &i, "* has left a message ") ||
3316 looking_at(buf, &i, "* just sent you a message:\n") ||
3317 /* Whispers and kibitzes */
3318 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3319 looking_at(buf, &i, "* kibitzes: ") ||
3321 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3323 if (tkind == 1 && strchr(star_match[0], ':')) {
3324 /* Avoid "tells you:" spoofs in channels */
3327 if (star_match[0][0] == NULLCHAR ||
3328 strchr(star_match[0], ' ') ||
3329 (tkind == 3 && strchr(star_match[1], ' '))) {
3330 /* Reject bogus matches */
3333 if (appData.colorize) {
3334 if (oldi > next_out) {
3335 SendToPlayer(&buf[next_out], oldi - next_out);
3340 Colorize(ColorTell, FALSE);
3341 curColor = ColorTell;
3344 Colorize(ColorKibitz, FALSE);
3345 curColor = ColorKibitz;
3348 p = strrchr(star_match[1], '(');
3355 Colorize(ColorChannel1, FALSE);
3356 curColor = ColorChannel1;
3358 Colorize(ColorChannel, FALSE);
3359 curColor = ColorChannel;
3363 curColor = ColorNormal;
3367 if (started == STARTED_NONE && appData.autoComment &&
3368 (gameMode == IcsObserving ||
3369 gameMode == IcsPlayingWhite ||
3370 gameMode == IcsPlayingBlack)) {
3371 parse_pos = i - oldi;
3372 memcpy(parse, &buf[oldi], parse_pos);
3373 parse[parse_pos] = NULLCHAR;
3374 started = STARTED_COMMENT;
3375 savingComment = TRUE;
3377 started = STARTED_CHATTER;
3378 savingComment = FALSE;
3385 if (looking_at(buf, &i, "* s-shouts: ") ||
3386 looking_at(buf, &i, "* c-shouts: ")) {
3387 if (appData.colorize) {
3388 if (oldi > next_out) {
3389 SendToPlayer(&buf[next_out], oldi - next_out);
3392 Colorize(ColorSShout, FALSE);
3393 curColor = ColorSShout;
3396 started = STARTED_CHATTER;
3400 if (looking_at(buf, &i, "--->")) {
3405 if (looking_at(buf, &i, "* shouts: ") ||
3406 looking_at(buf, &i, "--> ")) {
3407 if (appData.colorize) {
3408 if (oldi > next_out) {
3409 SendToPlayer(&buf[next_out], oldi - next_out);
3412 Colorize(ColorShout, FALSE);
3413 curColor = ColorShout;
3416 started = STARTED_CHATTER;
3420 if (looking_at( buf, &i, "Challenge:")) {
3421 if (appData.colorize) {
3422 if (oldi > next_out) {
3423 SendToPlayer(&buf[next_out], oldi - next_out);
3426 Colorize(ColorChallenge, FALSE);
3427 curColor = ColorChallenge;
3433 if (looking_at(buf, &i, "* offers you") ||
3434 looking_at(buf, &i, "* offers to be") ||
3435 looking_at(buf, &i, "* would like to") ||
3436 looking_at(buf, &i, "* requests to") ||
3437 looking_at(buf, &i, "Your opponent offers") ||
3438 looking_at(buf, &i, "Your opponent requests")) {
3440 if (appData.colorize) {
3441 if (oldi > next_out) {
3442 SendToPlayer(&buf[next_out], oldi - next_out);
3445 Colorize(ColorRequest, FALSE);
3446 curColor = ColorRequest;
3451 if (looking_at(buf, &i, "* (*) seeking")) {
3452 if (appData.colorize) {
3453 if (oldi > next_out) {
3454 SendToPlayer(&buf[next_out], oldi - next_out);
3457 Colorize(ColorSeek, FALSE);
3458 curColor = ColorSeek;
3463 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3465 if (looking_at(buf, &i, "\\ ")) {
3466 if (prevColor != ColorNormal) {
3467 if (oldi > next_out) {
3468 SendToPlayer(&buf[next_out], oldi - next_out);
3471 Colorize(prevColor, TRUE);
3472 curColor = prevColor;
3474 if (savingComment) {
3475 parse_pos = i - oldi;
3476 memcpy(parse, &buf[oldi], parse_pos);
3477 parse[parse_pos] = NULLCHAR;
3478 started = STARTED_COMMENT;
3479 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3480 chattingPartner = savingComment - 3; // kludge to remember the box
3482 started = STARTED_CHATTER;
3487 if (looking_at(buf, &i, "Black Strength :") ||
3488 looking_at(buf, &i, "<<< style 10 board >>>") ||
3489 looking_at(buf, &i, "<10>") ||
3490 looking_at(buf, &i, "#@#")) {
3491 /* Wrong board style */
3493 SendToICS(ics_prefix);
3494 SendToICS("set style 12\n");
3495 SendToICS(ics_prefix);
3496 SendToICS("refresh\n");
3500 if (looking_at(buf, &i, "login:")) {
3501 if (!have_sent_ICS_logon) {
3503 have_sent_ICS_logon = 1;
3504 else // no init script was found
3505 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3506 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3507 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3512 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3513 (looking_at(buf, &i, "\n<12> ") ||
3514 looking_at(buf, &i, "<12> "))) {
3516 if (oldi > next_out) {
3517 SendToPlayer(&buf[next_out], oldi - next_out);
3520 started = STARTED_BOARD;
3525 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3526 looking_at(buf, &i, "<b1> ")) {
3527 if (oldi > next_out) {
3528 SendToPlayer(&buf[next_out], oldi - next_out);
3531 started = STARTED_HOLDINGS;
3536 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3538 /* Header for a move list -- first line */
3540 switch (ics_getting_history) {
3544 case BeginningOfGame:
3545 /* User typed "moves" or "oldmoves" while we
3546 were idle. Pretend we asked for these
3547 moves and soak them up so user can step
3548 through them and/or save them.
3551 gameMode = IcsObserving;
3554 ics_getting_history = H_GOT_UNREQ_HEADER;
3556 case EditGame: /*?*/
3557 case EditPosition: /*?*/
3558 /* Should above feature work in these modes too? */
3559 /* For now it doesn't */
3560 ics_getting_history = H_GOT_UNWANTED_HEADER;
3563 ics_getting_history = H_GOT_UNWANTED_HEADER;
3568 /* Is this the right one? */
3569 if (gameInfo.white && gameInfo.black &&
3570 strcmp(gameInfo.white, star_match[0]) == 0 &&
3571 strcmp(gameInfo.black, star_match[2]) == 0) {
3573 ics_getting_history = H_GOT_REQ_HEADER;
3576 case H_GOT_REQ_HEADER:
3577 case H_GOT_UNREQ_HEADER:
3578 case H_GOT_UNWANTED_HEADER:
3579 case H_GETTING_MOVES:
3580 /* Should not happen */
3581 DisplayError(_("Error gathering move list: two headers"), 0);
3582 ics_getting_history = H_FALSE;
3586 /* Save player ratings into gameInfo if needed */
3587 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3588 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3589 (gameInfo.whiteRating == -1 ||
3590 gameInfo.blackRating == -1)) {
3592 gameInfo.whiteRating = string_to_rating(star_match[1]);
3593 gameInfo.blackRating = string_to_rating(star_match[3]);
3594 if (appData.debugMode)
3595 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3596 gameInfo.whiteRating, gameInfo.blackRating);
3601 if (looking_at(buf, &i,
3602 "* * match, initial time: * minute*, increment: * second")) {
3603 /* Header for a move list -- second line */
3604 /* Initial board will follow if this is a wild game */
3605 if (gameInfo.event != NULL) free(gameInfo.event);
3606 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3607 gameInfo.event = StrSave(str);
3608 /* [HGM] we switched variant. Translate boards if needed. */
3609 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3613 if (looking_at(buf, &i, "Move ")) {
3614 /* Beginning of a move list */
3615 switch (ics_getting_history) {
3617 /* Normally should not happen */
3618 /* Maybe user hit reset while we were parsing */
3621 /* Happens if we are ignoring a move list that is not
3622 * the one we just requested. Common if the user
3623 * tries to observe two games without turning off
3626 case H_GETTING_MOVES:
3627 /* Should not happen */
3628 DisplayError(_("Error gathering move list: nested"), 0);
3629 ics_getting_history = H_FALSE;
3631 case H_GOT_REQ_HEADER:
3632 ics_getting_history = H_GETTING_MOVES;
3633 started = STARTED_MOVES;
3635 if (oldi > next_out) {
3636 SendToPlayer(&buf[next_out], oldi - next_out);
3639 case H_GOT_UNREQ_HEADER:
3640 ics_getting_history = H_GETTING_MOVES;
3641 started = STARTED_MOVES_NOHIDE;
3644 case H_GOT_UNWANTED_HEADER:
3645 ics_getting_history = H_FALSE;
3651 if (looking_at(buf, &i, "% ") ||
3652 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3653 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3654 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3655 soughtPending = FALSE;
3659 if(suppressKibitz) next_out = i;
3660 savingComment = FALSE;
3664 case STARTED_MOVES_NOHIDE:
3665 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3666 parse[parse_pos + i - oldi] = NULLCHAR;
3667 ParseGameHistory(parse);
3669 if (appData.zippyPlay && first.initDone) {
3670 FeedMovesToProgram(&first, forwardMostMove);
3671 if (gameMode == IcsPlayingWhite) {
3672 if (WhiteOnMove(forwardMostMove)) {
3673 if (first.sendTime) {
3674 if (first.useColors) {
3675 SendToProgram("black\n", &first);
3677 SendTimeRemaining(&first, TRUE);
3679 if (first.useColors) {
3680 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3682 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3683 first.maybeThinking = TRUE;
3685 if (first.usePlayother) {
3686 if (first.sendTime) {
3687 SendTimeRemaining(&first, TRUE);
3689 SendToProgram("playother\n", &first);
3695 } else if (gameMode == IcsPlayingBlack) {
3696 if (!WhiteOnMove(forwardMostMove)) {
3697 if (first.sendTime) {
3698 if (first.useColors) {
3699 SendToProgram("white\n", &first);
3701 SendTimeRemaining(&first, FALSE);
3703 if (first.useColors) {
3704 SendToProgram("black\n", &first);
3706 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3707 first.maybeThinking = TRUE;
3709 if (first.usePlayother) {
3710 if (first.sendTime) {
3711 SendTimeRemaining(&first, FALSE);
3713 SendToProgram("playother\n", &first);
3722 if (gameMode == IcsObserving && ics_gamenum == -1) {
3723 /* Moves came from oldmoves or moves command
3724 while we weren't doing anything else.
3726 currentMove = forwardMostMove;
3727 ClearHighlights();/*!!could figure this out*/
3728 flipView = appData.flipView;
3729 DrawPosition(TRUE, boards[currentMove]);
3730 DisplayBothClocks();
3731 snprintf(str, MSG_SIZ, "%s %s %s",
3732 gameInfo.white, _("vs."), gameInfo.black);
3736 /* Moves were history of an active game */
3737 if (gameInfo.resultDetails != NULL) {
3738 free(gameInfo.resultDetails);
3739 gameInfo.resultDetails = NULL;
3742 HistorySet(parseList, backwardMostMove,
3743 forwardMostMove, currentMove-1);
3744 DisplayMove(currentMove - 1);
3745 if (started == STARTED_MOVES) next_out = i;
3746 started = STARTED_NONE;
3747 ics_getting_history = H_FALSE;
3750 case STARTED_OBSERVE:
3751 started = STARTED_NONE;
3752 SendToICS(ics_prefix);
3753 SendToICS("refresh\n");
3759 if(bookHit) { // [HGM] book: simulate book reply
3760 static char bookMove[MSG_SIZ]; // a bit generous?
3762 programStats.nodes = programStats.depth = programStats.time =
3763 programStats.score = programStats.got_only_move = 0;
3764 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3766 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3767 strcat(bookMove, bookHit);
3768 HandleMachineMove(bookMove, &first);
3773 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3774 started == STARTED_HOLDINGS ||
3775 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3776 /* Accumulate characters in move list or board */
3777 parse[parse_pos++] = buf[i];
3780 /* Start of game messages. Mostly we detect start of game
3781 when the first board image arrives. On some versions
3782 of the ICS, though, we need to do a "refresh" after starting
3783 to observe in order to get the current board right away. */
3784 if (looking_at(buf, &i, "Adding game * to observation list")) {
3785 started = STARTED_OBSERVE;
3789 /* Handle auto-observe */
3790 if (appData.autoObserve &&
3791 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3792 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3794 /* Choose the player that was highlighted, if any. */
3795 if (star_match[0][0] == '\033' ||
3796 star_match[1][0] != '\033') {
3797 player = star_match[0];
3799 player = star_match[2];
3801 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3802 ics_prefix, StripHighlightAndTitle(player));
3805 /* Save ratings from notify string */
3806 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3807 player1Rating = string_to_rating(star_match[1]);
3808 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3809 player2Rating = string_to_rating(star_match[3]);
3811 if (appData.debugMode)
3813 "Ratings from 'Game notification:' %s %d, %s %d\n",
3814 player1Name, player1Rating,
3815 player2Name, player2Rating);
3820 /* Deal with automatic examine mode after a game,
3821 and with IcsObserving -> IcsExamining transition */
3822 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3823 looking_at(buf, &i, "has made you an examiner of game *")) {
3825 int gamenum = atoi(star_match[0]);
3826 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3827 gamenum == ics_gamenum) {
3828 /* We were already playing or observing this game;
3829 no need to refetch history */
3830 gameMode = IcsExamining;
3832 pauseExamForwardMostMove = forwardMostMove;
3833 } else if (currentMove < forwardMostMove) {
3834 ForwardInner(forwardMostMove);
3837 /* I don't think this case really can happen */
3838 SendToICS(ics_prefix);
3839 SendToICS("refresh\n");
3844 /* Error messages */
3845 // if (ics_user_moved) {
3846 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3847 if (looking_at(buf, &i, "Illegal move") ||
3848 looking_at(buf, &i, "Not a legal move") ||
3849 looking_at(buf, &i, "Your king is in check") ||
3850 looking_at(buf, &i, "It isn't your turn") ||
3851 looking_at(buf, &i, "It is not your move")) {
3853 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3854 currentMove = forwardMostMove-1;
3855 DisplayMove(currentMove - 1); /* before DMError */
3856 DrawPosition(FALSE, boards[currentMove]);
3857 SwitchClocks(forwardMostMove-1); // [HGM] race
3858 DisplayBothClocks();
3860 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3866 if (looking_at(buf, &i, "still have time") ||
3867 looking_at(buf, &i, "not out of time") ||
3868 looking_at(buf, &i, "either player is out of time") ||
3869 looking_at(buf, &i, "has timeseal; checking")) {
3870 /* We must have called his flag a little too soon */
3871 whiteFlag = blackFlag = FALSE;
3875 if (looking_at(buf, &i, "added * seconds to") ||
3876 looking_at(buf, &i, "seconds were added to")) {
3877 /* Update the clocks */
3878 SendToICS(ics_prefix);
3879 SendToICS("refresh\n");
3883 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3884 ics_clock_paused = TRUE;
3889 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3890 ics_clock_paused = FALSE;
3895 /* Grab player ratings from the Creating: message.
3896 Note we have to check for the special case when
3897 the ICS inserts things like [white] or [black]. */
3898 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3899 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3901 0 player 1 name (not necessarily white)
3903 2 empty, white, or black (IGNORED)
3904 3 player 2 name (not necessarily black)
3907 The names/ratings are sorted out when the game
3908 actually starts (below).
3910 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3911 player1Rating = string_to_rating(star_match[1]);
3912 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3913 player2Rating = string_to_rating(star_match[4]);
3915 if (appData.debugMode)
3917 "Ratings from 'Creating:' %s %d, %s %d\n",
3918 player1Name, player1Rating,
3919 player2Name, player2Rating);
3924 /* Improved generic start/end-of-game messages */
3925 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3926 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3927 /* If tkind == 0: */
3928 /* star_match[0] is the game number */
3929 /* [1] is the white player's name */
3930 /* [2] is the black player's name */
3931 /* For end-of-game: */
3932 /* [3] is the reason for the game end */
3933 /* [4] is a PGN end game-token, preceded by " " */
3934 /* For start-of-game: */
3935 /* [3] begins with "Creating" or "Continuing" */
3936 /* [4] is " *" or empty (don't care). */
3937 int gamenum = atoi(star_match[0]);
3938 char *whitename, *blackname, *why, *endtoken;
3939 ChessMove endtype = EndOfFile;
3942 whitename = star_match[1];
3943 blackname = star_match[2];
3944 why = star_match[3];
3945 endtoken = star_match[4];
3947 whitename = star_match[1];
3948 blackname = star_match[3];
3949 why = star_match[5];
3950 endtoken = star_match[6];
3953 /* Game start messages */
3954 if (strncmp(why, "Creating ", 9) == 0 ||
3955 strncmp(why, "Continuing ", 11) == 0) {
3956 gs_gamenum = gamenum;
3957 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3958 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3959 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3961 if (appData.zippyPlay) {
3962 ZippyGameStart(whitename, blackname);
3965 partnerBoardValid = FALSE; // [HGM] bughouse
3969 /* Game end messages */
3970 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3971 ics_gamenum != gamenum) {
3974 while (endtoken[0] == ' ') endtoken++;
3975 switch (endtoken[0]) {
3978 endtype = GameUnfinished;
3981 endtype = BlackWins;
3984 if (endtoken[1] == '/')
3985 endtype = GameIsDrawn;
3987 endtype = WhiteWins;
3990 GameEnds(endtype, why, GE_ICS);
3992 if (appData.zippyPlay && first.initDone) {
3993 ZippyGameEnd(endtype, why);
3994 if (first.pr == NoProc) {
3995 /* Start the next process early so that we'll
3996 be ready for the next challenge */
3997 StartChessProgram(&first);
3999 /* Send "new" early, in case this command takes
4000 a long time to finish, so that we'll be ready
4001 for the next challenge. */
4002 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4006 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4010 if (looking_at(buf, &i, "Removing game * from observation") ||
4011 looking_at(buf, &i, "no longer observing game *") ||
4012 looking_at(buf, &i, "Game * (*) has no examiners")) {
4013 if (gameMode == IcsObserving &&
4014 atoi(star_match[0]) == ics_gamenum)
4016 /* icsEngineAnalyze */
4017 if (appData.icsEngineAnalyze) {
4024 ics_user_moved = FALSE;
4029 if (looking_at(buf, &i, "no longer examining game *")) {
4030 if (gameMode == IcsExamining &&
4031 atoi(star_match[0]) == ics_gamenum)
4035 ics_user_moved = FALSE;
4040 /* Advance leftover_start past any newlines we find,
4041 so only partial lines can get reparsed */
4042 if (looking_at(buf, &i, "\n")) {
4043 prevColor = curColor;
4044 if (curColor != ColorNormal) {
4045 if (oldi > next_out) {
4046 SendToPlayer(&buf[next_out], oldi - next_out);
4049 Colorize(ColorNormal, FALSE);
4050 curColor = ColorNormal;
4052 if (started == STARTED_BOARD) {
4053 started = STARTED_NONE;
4054 parse[parse_pos] = NULLCHAR;
4055 ParseBoard12(parse);
4058 /* Send premove here */
4059 if (appData.premove) {
4061 if (currentMove == 0 &&
4062 gameMode == IcsPlayingWhite &&
4063 appData.premoveWhite) {
4064 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4065 if (appData.debugMode)
4066 fprintf(debugFP, "Sending premove:\n");
4068 } else if (currentMove == 1 &&
4069 gameMode == IcsPlayingBlack &&
4070 appData.premoveBlack) {
4071 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4072 if (appData.debugMode)
4073 fprintf(debugFP, "Sending premove:\n");
4075 } else if (gotPremove) {
4077 ClearPremoveHighlights();
4078 if (appData.debugMode)
4079 fprintf(debugFP, "Sending premove:\n");
4080 UserMoveEvent(premoveFromX, premoveFromY,
4081 premoveToX, premoveToY,
4086 /* Usually suppress following prompt */
4087 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4088 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4089 if (looking_at(buf, &i, "*% ")) {
4090 savingComment = FALSE;
4095 } else if (started == STARTED_HOLDINGS) {
4097 char new_piece[MSG_SIZ];
4098 started = STARTED_NONE;
4099 parse[parse_pos] = NULLCHAR;
4100 if (appData.debugMode)
4101 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4102 parse, currentMove);
4103 if (sscanf(parse, " game %d", &gamenum) == 1) {
4104 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4105 if (gameInfo.variant == VariantNormal) {
4106 /* [HGM] We seem to switch variant during a game!
4107 * Presumably no holdings were displayed, so we have
4108 * to move the position two files to the right to
4109 * create room for them!
4111 VariantClass newVariant;
4112 switch(gameInfo.boardWidth) { // base guess on board width
4113 case 9: newVariant = VariantShogi; break;
4114 case 10: newVariant = VariantGreat; break;
4115 default: newVariant = VariantCrazyhouse; break;
4117 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4118 /* Get a move list just to see the header, which
4119 will tell us whether this is really bug or zh */
4120 if (ics_getting_history == H_FALSE) {
4121 ics_getting_history = H_REQUESTED;
4122 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4126 new_piece[0] = NULLCHAR;
4127 sscanf(parse, "game %d white [%s black [%s <- %s",
4128 &gamenum, white_holding, black_holding,
4130 white_holding[strlen(white_holding)-1] = NULLCHAR;
4131 black_holding[strlen(black_holding)-1] = NULLCHAR;
4132 /* [HGM] copy holdings to board holdings area */
4133 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4134 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4135 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4137 if (appData.zippyPlay && first.initDone) {
4138 ZippyHoldings(white_holding, black_holding,
4142 if (tinyLayout || smallLayout) {
4143 char wh[16], bh[16];
4144 PackHolding(wh, white_holding);
4145 PackHolding(bh, black_holding);
4146 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4147 gameInfo.white, gameInfo.black);
4149 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4150 gameInfo.white, white_holding, _("vs."),
4151 gameInfo.black, black_holding);
4153 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4154 DrawPosition(FALSE, boards[currentMove]);
4156 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4157 sscanf(parse, "game %d white [%s black [%s <- %s",
4158 &gamenum, white_holding, black_holding,
4160 white_holding[strlen(white_holding)-1] = NULLCHAR;
4161 black_holding[strlen(black_holding)-1] = NULLCHAR;
4162 /* [HGM] copy holdings to partner-board holdings area */
4163 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4164 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4165 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4166 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4167 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4170 /* Suppress following prompt */
4171 if (looking_at(buf, &i, "*% ")) {
4172 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4173 savingComment = FALSE;
4181 i++; /* skip unparsed character and loop back */
4184 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4185 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4186 // SendToPlayer(&buf[next_out], i - next_out);
4187 started != STARTED_HOLDINGS && leftover_start > next_out) {
4188 SendToPlayer(&buf[next_out], leftover_start - next_out);
4192 leftover_len = buf_len - leftover_start;
4193 /* if buffer ends with something we couldn't parse,
4194 reparse it after appending the next read */
4196 } else if (count == 0) {
4197 RemoveInputSource(isr);
4198 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4200 DisplayFatalError(_("Error reading from ICS"), error, 1);
4205 /* Board style 12 looks like this:
4207 <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
4209 * The "<12> " is stripped before it gets to this routine. The two
4210 * trailing 0's (flip state and clock ticking) are later addition, and
4211 * some chess servers may not have them, or may have only the first.
4212 * Additional trailing fields may be added in the future.
4215 #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"
4217 #define RELATION_OBSERVING_PLAYED 0
4218 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4219 #define RELATION_PLAYING_MYMOVE 1
4220 #define RELATION_PLAYING_NOTMYMOVE -1
4221 #define RELATION_EXAMINING 2
4222 #define RELATION_ISOLATED_BOARD -3
4223 #define RELATION_STARTING_POSITION -4 /* FICS only */
4226 ParseBoard12 (char *string)
4230 char *bookHit = NULL; // [HGM] book
4232 GameMode newGameMode;
4233 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4234 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4235 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4236 char to_play, board_chars[200];
4237 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4238 char black[32], white[32];
4240 int prevMove = currentMove;
4243 int fromX, fromY, toX, toY;
4245 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4246 Boolean weird = FALSE, reqFlag = FALSE;
4248 fromX = fromY = toX = toY = -1;
4252 if (appData.debugMode)
4253 fprintf(debugFP, "Parsing board: %s\n", string);
4255 move_str[0] = NULLCHAR;
4256 elapsed_time[0] = NULLCHAR;
4257 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4259 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4260 if(string[i] == ' ') { ranks++; files = 0; }
4262 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4265 for(j = 0; j <i; j++) board_chars[j] = string[j];
4266 board_chars[i] = '\0';
4269 n = sscanf(string, PATTERN, &to_play, &double_push,
4270 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4271 &gamenum, white, black, &relation, &basetime, &increment,
4272 &white_stren, &black_stren, &white_time, &black_time,
4273 &moveNum, str, elapsed_time, move_str, &ics_flip,
4277 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4278 DisplayError(str, 0);
4282 /* Convert the move number to internal form */
4283 moveNum = (moveNum - 1) * 2;
4284 if (to_play == 'B') moveNum++;
4285 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4286 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4292 case RELATION_OBSERVING_PLAYED:
4293 case RELATION_OBSERVING_STATIC:
4294 if (gamenum == -1) {
4295 /* Old ICC buglet */
4296 relation = RELATION_OBSERVING_STATIC;
4298 newGameMode = IcsObserving;
4300 case RELATION_PLAYING_MYMOVE:
4301 case RELATION_PLAYING_NOTMYMOVE:
4303 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4304 IcsPlayingWhite : IcsPlayingBlack;
4305 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4307 case RELATION_EXAMINING:
4308 newGameMode = IcsExamining;
4310 case RELATION_ISOLATED_BOARD:
4312 /* Just display this board. If user was doing something else,
4313 we will forget about it until the next board comes. */
4314 newGameMode = IcsIdle;
4316 case RELATION_STARTING_POSITION:
4317 newGameMode = gameMode;
4321 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4322 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4323 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4324 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4325 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4326 static int lastBgGame = -1;
4328 for (k = 0; k < ranks; k++) {
4329 for (j = 0; j < files; j++)
4330 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4331 if(gameInfo.holdingsWidth > 1) {
4332 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4333 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4336 CopyBoard(partnerBoard, board);
4337 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4338 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4339 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4340 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4341 if(toSqr = strchr(str, '-')) {
4342 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4343 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4344 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4345 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4346 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4347 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4349 DisplayWhiteClock(white_time*fac, to_play == 'W');
4350 DisplayBlackClock(black_time*fac, to_play != 'W');
4351 activePartner = to_play;
4352 if(gamenum != lastBgGame) {
4354 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4357 lastBgGame = gamenum;
4358 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4359 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4360 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4361 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4362 if(!twoBoards) DisplayMessage(partnerStatus, "");
4363 partnerBoardValid = TRUE;
4367 if(appData.dualBoard && appData.bgObserve) {
4368 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4369 SendToICS(ics_prefix), SendToICS("pobserve\n");
4370 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4372 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4377 /* Modify behavior for initial board display on move listing
4380 switch (ics_getting_history) {
4384 case H_GOT_REQ_HEADER:
4385 case H_GOT_UNREQ_HEADER:
4386 /* This is the initial position of the current game */
4387 gamenum = ics_gamenum;
4388 moveNum = 0; /* old ICS bug workaround */
4389 if (to_play == 'B') {
4390 startedFromSetupPosition = TRUE;
4391 blackPlaysFirst = TRUE;
4393 if (forwardMostMove == 0) forwardMostMove = 1;
4394 if (backwardMostMove == 0) backwardMostMove = 1;
4395 if (currentMove == 0) currentMove = 1;
4397 newGameMode = gameMode;
4398 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4400 case H_GOT_UNWANTED_HEADER:
4401 /* This is an initial board that we don't want */
4403 case H_GETTING_MOVES:
4404 /* Should not happen */
4405 DisplayError(_("Error gathering move list: extra board"), 0);
4406 ics_getting_history = H_FALSE;
4410 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4411 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4412 weird && (int)gameInfo.variant < (int)VariantShogi) {
4413 /* [HGM] We seem to have switched variant unexpectedly
4414 * Try to guess new variant from board size
4416 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4417 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4418 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4419 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4420 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4421 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4422 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4423 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4424 /* Get a move list just to see the header, which
4425 will tell us whether this is really bug or zh */
4426 if (ics_getting_history == H_FALSE) {
4427 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4428 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4433 /* Take action if this is the first board of a new game, or of a
4434 different game than is currently being displayed. */
4435 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4436 relation == RELATION_ISOLATED_BOARD) {
4438 /* Forget the old game and get the history (if any) of the new one */
4439 if (gameMode != BeginningOfGame) {
4443 if (appData.autoRaiseBoard) BoardToTop();
4445 if (gamenum == -1) {
4446 newGameMode = IcsIdle;
4447 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4448 appData.getMoveList && !reqFlag) {
4449 /* Need to get game history */
4450 ics_getting_history = H_REQUESTED;
4451 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4455 /* Initially flip the board to have black on the bottom if playing
4456 black or if the ICS flip flag is set, but let the user change
4457 it with the Flip View button. */
4458 flipView = appData.autoFlipView ?
4459 (newGameMode == IcsPlayingBlack) || ics_flip :
4462 /* Done with values from previous mode; copy in new ones */
4463 gameMode = newGameMode;
4465 ics_gamenum = gamenum;
4466 if (gamenum == gs_gamenum) {
4467 int klen = strlen(gs_kind);
4468 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4469 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4470 gameInfo.event = StrSave(str);
4472 gameInfo.event = StrSave("ICS game");
4474 gameInfo.site = StrSave(appData.icsHost);
4475 gameInfo.date = PGNDate();
4476 gameInfo.round = StrSave("-");
4477 gameInfo.white = StrSave(white);
4478 gameInfo.black = StrSave(black);
4479 timeControl = basetime * 60 * 1000;
4481 timeIncrement = increment * 1000;
4482 movesPerSession = 0;
4483 gameInfo.timeControl = TimeControlTagValue();
4484 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4485 if (appData.debugMode) {
4486 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4487 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4488 setbuf(debugFP, NULL);
4491 gameInfo.outOfBook = NULL;
4493 /* Do we have the ratings? */
4494 if (strcmp(player1Name, white) == 0 &&
4495 strcmp(player2Name, black) == 0) {
4496 if (appData.debugMode)
4497 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4498 player1Rating, player2Rating);
4499 gameInfo.whiteRating = player1Rating;
4500 gameInfo.blackRating = player2Rating;
4501 } else if (strcmp(player2Name, white) == 0 &&
4502 strcmp(player1Name, black) == 0) {
4503 if (appData.debugMode)
4504 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4505 player2Rating, player1Rating);
4506 gameInfo.whiteRating = player2Rating;
4507 gameInfo.blackRating = player1Rating;
4509 player1Name[0] = player2Name[0] = NULLCHAR;
4511 /* Silence shouts if requested */
4512 if (appData.quietPlay &&
4513 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4514 SendToICS(ics_prefix);
4515 SendToICS("set shout 0\n");
4519 /* Deal with midgame name changes */
4521 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4522 if (gameInfo.white) free(gameInfo.white);
4523 gameInfo.white = StrSave(white);
4525 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4526 if (gameInfo.black) free(gameInfo.black);
4527 gameInfo.black = StrSave(black);
4531 /* Throw away game result if anything actually changes in examine mode */
4532 if (gameMode == IcsExamining && !newGame) {
4533 gameInfo.result = GameUnfinished;
4534 if (gameInfo.resultDetails != NULL) {
4535 free(gameInfo.resultDetails);
4536 gameInfo.resultDetails = NULL;
4540 /* In pausing && IcsExamining mode, we ignore boards coming
4541 in if they are in a different variation than we are. */
4542 if (pauseExamInvalid) return;
4543 if (pausing && gameMode == IcsExamining) {
4544 if (moveNum <= pauseExamForwardMostMove) {
4545 pauseExamInvalid = TRUE;
4546 forwardMostMove = pauseExamForwardMostMove;
4551 if (appData.debugMode) {
4552 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4554 /* Parse the board */
4555 for (k = 0; k < ranks; k++) {
4556 for (j = 0; j < files; j++)
4557 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4558 if(gameInfo.holdingsWidth > 1) {
4559 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4560 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4563 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4564 board[5][BOARD_RGHT+1] = WhiteAngel;
4565 board[6][BOARD_RGHT+1] = WhiteMarshall;
4566 board[1][0] = BlackMarshall;
4567 board[2][0] = BlackAngel;
4568 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4570 CopyBoard(boards[moveNum], board);
4571 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4573 startedFromSetupPosition =
4574 !CompareBoards(board, initialPosition);
4575 if(startedFromSetupPosition)
4576 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4579 /* [HGM] Set castling rights. Take the outermost Rooks,
4580 to make it also work for FRC opening positions. Note that board12
4581 is really defective for later FRC positions, as it has no way to
4582 indicate which Rook can castle if they are on the same side of King.
4583 For the initial position we grant rights to the outermost Rooks,
4584 and remember thos rights, and we then copy them on positions
4585 later in an FRC game. This means WB might not recognize castlings with
4586 Rooks that have moved back to their original position as illegal,
4587 but in ICS mode that is not its job anyway.
4589 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4590 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4592 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4593 if(board[0][i] == WhiteRook) j = i;
4594 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4595 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4596 if(board[0][i] == WhiteRook) j = i;
4597 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4598 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4599 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4600 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4601 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4602 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4603 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4605 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4606 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4607 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4608 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4609 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4610 if(board[BOARD_HEIGHT-1][k] == bKing)
4611 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4612 if(gameInfo.variant == VariantTwoKings) {
4613 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4614 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4615 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4618 r = boards[moveNum][CASTLING][0] = initialRights[0];
4619 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4620 r = boards[moveNum][CASTLING][1] = initialRights[1];
4621 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4622 r = boards[moveNum][CASTLING][3] = initialRights[3];
4623 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4624 r = boards[moveNum][CASTLING][4] = initialRights[4];
4625 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4626 /* wildcastle kludge: always assume King has rights */
4627 r = boards[moveNum][CASTLING][2] = initialRights[2];
4628 r = boards[moveNum][CASTLING][5] = initialRights[5];
4630 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4631 boards[moveNum][EP_STATUS] = EP_NONE;
4632 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4633 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4634 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4637 if (ics_getting_history == H_GOT_REQ_HEADER ||
4638 ics_getting_history == H_GOT_UNREQ_HEADER) {
4639 /* This was an initial position from a move list, not
4640 the current position */
4644 /* Update currentMove and known move number limits */
4645 newMove = newGame || moveNum > forwardMostMove;
4648 forwardMostMove = backwardMostMove = currentMove = moveNum;
4649 if (gameMode == IcsExamining && moveNum == 0) {
4650 /* Workaround for ICS limitation: we are not told the wild
4651 type when starting to examine a game. But if we ask for
4652 the move list, the move list header will tell us */
4653 ics_getting_history = H_REQUESTED;
4654 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4657 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4658 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4660 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4661 /* [HGM] applied this also to an engine that is silently watching */
4662 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4663 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4664 gameInfo.variant == currentlyInitializedVariant) {
4665 takeback = forwardMostMove - moveNum;
4666 for (i = 0; i < takeback; i++) {
4667 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4668 SendToProgram("undo\n", &first);
4673 forwardMostMove = moveNum;
4674 if (!pausing || currentMove > forwardMostMove)
4675 currentMove = forwardMostMove;
4677 /* New part of history that is not contiguous with old part */
4678 if (pausing && gameMode == IcsExamining) {
4679 pauseExamInvalid = TRUE;
4680 forwardMostMove = pauseExamForwardMostMove;
4683 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4685 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4686 // [HGM] when we will receive the move list we now request, it will be
4687 // fed to the engine from the first move on. So if the engine is not
4688 // in the initial position now, bring it there.
4689 InitChessProgram(&first, 0);
4692 ics_getting_history = H_REQUESTED;
4693 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4696 forwardMostMove = backwardMostMove = currentMove = moveNum;
4699 /* Update the clocks */
4700 if (strchr(elapsed_time, '.')) {
4702 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4703 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4705 /* Time is in seconds */
4706 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4707 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4712 if (appData.zippyPlay && newGame &&
4713 gameMode != IcsObserving && gameMode != IcsIdle &&
4714 gameMode != IcsExamining)
4715 ZippyFirstBoard(moveNum, basetime, increment);
4718 /* Put the move on the move list, first converting
4719 to canonical algebraic form. */
4721 if (appData.debugMode) {
4722 int f = forwardMostMove;
4723 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4724 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4725 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4726 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4727 fprintf(debugFP, "moveNum = %d\n", moveNum);
4728 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4729 setbuf(debugFP, NULL);
4731 if (moveNum <= backwardMostMove) {
4732 /* We don't know what the board looked like before
4734 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4735 strcat(parseList[moveNum - 1], " ");
4736 strcat(parseList[moveNum - 1], elapsed_time);
4737 moveList[moveNum - 1][0] = NULLCHAR;
4738 } else if (strcmp(move_str, "none") == 0) {
4739 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4740 /* Again, we don't know what the board looked like;
4741 this is really the start of the game. */
4742 parseList[moveNum - 1][0] = NULLCHAR;
4743 moveList[moveNum - 1][0] = NULLCHAR;
4744 backwardMostMove = moveNum;
4745 startedFromSetupPosition = TRUE;
4746 fromX = fromY = toX = toY = -1;
4748 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4749 // So we parse the long-algebraic move string in stead of the SAN move
4750 int valid; char buf[MSG_SIZ], *prom;
4752 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4753 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4754 // str looks something like "Q/a1-a2"; kill the slash
4756 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4757 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4758 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4759 strcat(buf, prom); // long move lacks promo specification!
4760 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4761 if(appData.debugMode)
4762 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4763 safeStrCpy(move_str, buf, MSG_SIZ);
4765 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4766 &fromX, &fromY, &toX, &toY, &promoChar)
4767 || ParseOneMove(buf, moveNum - 1, &moveType,
4768 &fromX, &fromY, &toX, &toY, &promoChar);
4769 // end of long SAN patch
4771 (void) CoordsToAlgebraic(boards[moveNum - 1],
4772 PosFlags(moveNum - 1),
4773 fromY, fromX, toY, toX, promoChar,
4774 parseList[moveNum-1]);
4775 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4781 if(gameInfo.variant != VariantShogi)
4782 strcat(parseList[moveNum - 1], "+");
4785 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4786 strcat(parseList[moveNum - 1], "#");
4789 strcat(parseList[moveNum - 1], " ");
4790 strcat(parseList[moveNum - 1], elapsed_time);
4791 /* currentMoveString is set as a side-effect of ParseOneMove */
4792 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4793 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4794 strcat(moveList[moveNum - 1], "\n");
4796 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4797 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4798 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4799 ChessSquare old, new = boards[moveNum][k][j];
4800 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4801 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4802 if(old == new) continue;
4803 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4804 else if(new == WhiteWazir || new == BlackWazir) {
4805 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4806 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4807 else boards[moveNum][k][j] = old; // preserve type of Gold
4808 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4809 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4812 /* Move from ICS was illegal!? Punt. */
4813 if (appData.debugMode) {
4814 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4815 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4817 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4818 strcat(parseList[moveNum - 1], " ");
4819 strcat(parseList[moveNum - 1], elapsed_time);
4820 moveList[moveNum - 1][0] = NULLCHAR;
4821 fromX = fromY = toX = toY = -1;
4824 if (appData.debugMode) {
4825 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4826 setbuf(debugFP, NULL);
4830 /* Send move to chess program (BEFORE animating it). */
4831 if (appData.zippyPlay && !newGame && newMove &&
4832 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4834 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4835 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4836 if (moveList[moveNum - 1][0] == NULLCHAR) {
4837 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4839 DisplayError(str, 0);
4841 if (first.sendTime) {
4842 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4844 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4845 if (firstMove && !bookHit) {
4847 if (first.useColors) {
4848 SendToProgram(gameMode == IcsPlayingWhite ?
4850 "black\ngo\n", &first);
4852 SendToProgram("go\n", &first);
4854 first.maybeThinking = TRUE;
4857 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4858 if (moveList[moveNum - 1][0] == NULLCHAR) {
4859 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4860 DisplayError(str, 0);
4862 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4863 SendMoveToProgram(moveNum - 1, &first);
4870 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4871 /* If move comes from a remote source, animate it. If it
4872 isn't remote, it will have already been animated. */
4873 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4874 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4876 if (!pausing && appData.highlightLastMove) {
4877 SetHighlights(fromX, fromY, toX, toY);
4881 /* Start the clocks */
4882 whiteFlag = blackFlag = FALSE;
4883 appData.clockMode = !(basetime == 0 && increment == 0);
4885 ics_clock_paused = TRUE;
4887 } else if (ticking == 1) {
4888 ics_clock_paused = FALSE;
4890 if (gameMode == IcsIdle ||
4891 relation == RELATION_OBSERVING_STATIC ||
4892 relation == RELATION_EXAMINING ||
4894 DisplayBothClocks();
4898 /* Display opponents and material strengths */
4899 if (gameInfo.variant != VariantBughouse &&
4900 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4901 if (tinyLayout || smallLayout) {
4902 if(gameInfo.variant == VariantNormal)
4903 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4904 gameInfo.white, white_stren, gameInfo.black, black_stren,
4905 basetime, increment);
4907 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4908 gameInfo.white, white_stren, gameInfo.black, black_stren,
4909 basetime, increment, (int) gameInfo.variant);
4911 if(gameInfo.variant == VariantNormal)
4912 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4913 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4914 basetime, increment);
4916 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4917 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4918 basetime, increment, VariantName(gameInfo.variant));
4921 if (appData.debugMode) {
4922 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4927 /* Display the board */
4928 if (!pausing && !appData.noGUI) {
4930 if (appData.premove)
4932 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4933 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4934 ClearPremoveHighlights();
4936 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4937 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4938 DrawPosition(j, boards[currentMove]);
4940 DisplayMove(moveNum - 1);
4941 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4942 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4943 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4944 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4948 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4950 if(bookHit) { // [HGM] book: simulate book reply
4951 static char bookMove[MSG_SIZ]; // a bit generous?
4953 programStats.nodes = programStats.depth = programStats.time =
4954 programStats.score = programStats.got_only_move = 0;
4955 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4957 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4958 strcat(bookMove, bookHit);
4959 HandleMachineMove(bookMove, &first);
4968 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4969 ics_getting_history = H_REQUESTED;
4970 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4976 SendToBoth (char *msg)
4977 { // to make it easy to keep two engines in step in dual analysis
4978 SendToProgram(msg, &first);
4979 if(second.analyzing) SendToProgram(msg, &second);
4983 AnalysisPeriodicEvent (int force)
4985 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4986 && !force) || !appData.periodicUpdates)
4989 /* Send . command to Crafty to collect stats */
4992 /* Don't send another until we get a response (this makes
4993 us stop sending to old Crafty's which don't understand
4994 the "." command (sending illegal cmds resets node count & time,
4995 which looks bad)) */
4996 programStats.ok_to_send = 0;
5000 ics_update_width (int new_width)
5002 ics_printf("set width %d\n", new_width);
5006 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5010 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5011 // null move in variant where engine does not understand it (for analysis purposes)
5012 SendBoard(cps, moveNum + 1); // send position after move in stead.
5015 if (cps->useUsermove) {
5016 SendToProgram("usermove ", cps);
5020 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5021 int len = space - parseList[moveNum];
5022 memcpy(buf, parseList[moveNum], len);
5024 buf[len] = NULLCHAR;
5026 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5028 SendToProgram(buf, cps);
5030 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5031 AlphaRank(moveList[moveNum], 4);
5032 SendToProgram(moveList[moveNum], cps);
5033 AlphaRank(moveList[moveNum], 4); // and back
5035 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5036 * the engine. It would be nice to have a better way to identify castle
5038 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5039 && cps->useOOCastle) {
5040 int fromX = moveList[moveNum][0] - AAA;
5041 int fromY = moveList[moveNum][1] - ONE;
5042 int toX = moveList[moveNum][2] - AAA;
5043 int toY = moveList[moveNum][3] - ONE;
5044 if((boards[moveNum][fromY][fromX] == WhiteKing
5045 && boards[moveNum][toY][toX] == WhiteRook)
5046 || (boards[moveNum][fromY][fromX] == BlackKing
5047 && boards[moveNum][toY][toX] == BlackRook)) {
5048 if(toX > fromX) SendToProgram("O-O\n", cps);
5049 else SendToProgram("O-O-O\n", cps);
5051 else SendToProgram(moveList[moveNum], cps);
5053 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5054 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5055 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5056 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5057 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5058 } else if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5059 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5060 moveList[moveNum][5], moveList[moveNum][6] - '0',
5061 moveList[moveNum][5], moveList[moveNum][6] - '0',
5062 moveList[moveNum][2], moveList[moveNum][3] - '0');
5064 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5065 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5066 SendToProgram(buf, cps);
5068 else SendToProgram(moveList[moveNum], cps);
5069 /* End of additions by Tord */
5072 /* [HGM] setting up the opening has brought engine in force mode! */
5073 /* Send 'go' if we are in a mode where machine should play. */
5074 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5075 (gameMode == TwoMachinesPlay ||
5077 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5079 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5080 SendToProgram("go\n", cps);
5081 if (appData.debugMode) {
5082 fprintf(debugFP, "(extra)\n");
5085 setboardSpoiledMachineBlack = 0;
5089 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5091 char user_move[MSG_SIZ];
5094 if(gameInfo.variant == VariantSChess && promoChar) {
5095 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5096 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5097 } else suffix[0] = NULLCHAR;
5101 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5102 (int)moveType, fromX, fromY, toX, toY);
5103 DisplayError(user_move + strlen("say "), 0);
5105 case WhiteKingSideCastle:
5106 case BlackKingSideCastle:
5107 case WhiteQueenSideCastleWild:
5108 case BlackQueenSideCastleWild:
5110 case WhiteHSideCastleFR:
5111 case BlackHSideCastleFR:
5113 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5115 case WhiteQueenSideCastle:
5116 case BlackQueenSideCastle:
5117 case WhiteKingSideCastleWild:
5118 case BlackKingSideCastleWild:
5120 case WhiteASideCastleFR:
5121 case BlackASideCastleFR:
5123 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5125 case WhiteNonPromotion:
5126 case BlackNonPromotion:
5127 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5129 case WhitePromotion:
5130 case BlackPromotion:
5131 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5132 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5133 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5134 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5135 PieceToChar(WhiteFerz));
5136 else if(gameInfo.variant == VariantGreat)
5137 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5138 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5139 PieceToChar(WhiteMan));
5141 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5142 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5148 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5149 ToUpper(PieceToChar((ChessSquare) fromX)),
5150 AAA + toX, ONE + toY);
5152 case IllegalMove: /* could be a variant we don't quite understand */
5153 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5155 case WhiteCapturesEnPassant:
5156 case BlackCapturesEnPassant:
5157 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5158 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5161 SendToICS(user_move);
5162 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5163 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5168 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5169 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5170 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5171 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5172 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5175 if(gameMode != IcsExamining) { // is this ever not the case?
5176 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5178 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5179 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5180 } else { // on FICS we must first go to general examine mode
5181 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5183 if(gameInfo.variant != VariantNormal) {
5184 // try figure out wild number, as xboard names are not always valid on ICS
5185 for(i=1; i<=36; i++) {
5186 snprintf(buf, MSG_SIZ, "wild/%d", i);
5187 if(StringToVariant(buf) == gameInfo.variant) break;
5189 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5190 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5191 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5192 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5193 SendToICS(ics_prefix);
5195 if(startedFromSetupPosition || backwardMostMove != 0) {
5196 fen = PositionToFEN(backwardMostMove, NULL, 1);
5197 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5198 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5200 } else { // FICS: everything has to set by separate bsetup commands
5201 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5202 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5204 if(!WhiteOnMove(backwardMostMove)) {
5205 SendToICS("bsetup tomove black\n");
5207 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5208 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5210 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5211 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5213 i = boards[backwardMostMove][EP_STATUS];
5214 if(i >= 0) { // set e.p.
5215 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5221 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5222 SendToICS("bsetup done\n"); // switch to normal examining.
5224 for(i = backwardMostMove; i<last; i++) {
5226 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5227 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5228 int len = strlen(moveList[i]);
5229 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5230 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5234 SendToICS(ics_prefix);
5235 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5238 static int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5241 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5243 if (rf == DROP_RANK) {
5244 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5245 sprintf(move, "%c@%c%c\n",
5246 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5248 if (promoChar == 'x' || promoChar == NULLCHAR) {
5249 sprintf(move, "%c%c%c%c\n",
5250 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5251 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5253 sprintf(move, "%c%c%c%c%c\n",
5254 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5260 ProcessICSInitScript (FILE *f)
5264 while (fgets(buf, MSG_SIZ, f)) {
5265 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5272 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag, dragging;
5273 static ClickType lastClickType;
5278 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5279 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5280 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5281 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5282 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5283 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5286 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5287 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5288 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5289 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5290 if(!step) step = -1;
5291 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5292 appData.testLegality && (promoSweep == king ||
5293 IS_SHOGI(gameInfo.variant) && promoSweep != CHUPROMOTED last && last != CHUPROMOTED promoSweep && last != promoSweep));
5295 int victim = boards[currentMove][toY][toX];
5296 boards[currentMove][toY][toX] = promoSweep;
5297 DrawPosition(FALSE, boards[currentMove]);
5298 boards[currentMove][toY][toX] = victim;
5300 ChangeDragPiece(promoSweep);
5304 PromoScroll (int x, int y)
5308 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5309 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5310 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5311 if(!step) return FALSE;
5312 lastX = x; lastY = y;
5313 if((promoSweep < BlackPawn) == flipView) step = -step;
5314 if(step > 0) selectFlag = 1;
5315 if(!selectFlag) Sweep(step);
5320 NextPiece (int step)
5322 ChessSquare piece = boards[currentMove][toY][toX];
5325 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5326 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5327 if(!step) step = -1;
5328 } while(PieceToChar(pieceSweep) == '.');
5329 boards[currentMove][toY][toX] = pieceSweep;
5330 DrawPosition(FALSE, boards[currentMove]);
5331 boards[currentMove][toY][toX] = piece;
5333 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5335 AlphaRank (char *move, int n)
5337 // char *p = move, c; int x, y;
5339 if (appData.debugMode) {
5340 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5344 move[2]>='0' && move[2]<='9' &&
5345 move[3]>='a' && move[3]<='x' ) {
5347 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5348 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5350 if(move[0]>='0' && move[0]<='9' &&
5351 move[1]>='a' && move[1]<='x' &&
5352 move[2]>='0' && move[2]<='9' &&
5353 move[3]>='a' && move[3]<='x' ) {
5354 /* input move, Shogi -> normal */
5355 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5356 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5357 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5358 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5361 move[3]>='0' && move[3]<='9' &&
5362 move[2]>='a' && move[2]<='x' ) {
5364 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5365 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5368 move[0]>='a' && move[0]<='x' &&
5369 move[3]>='0' && move[3]<='9' &&
5370 move[2]>='a' && move[2]<='x' ) {
5371 /* output move, normal -> Shogi */
5372 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5373 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5374 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5375 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5376 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5378 if (appData.debugMode) {
5379 fprintf(debugFP, " out = '%s'\n", move);
5383 char yy_textstr[8000];
5385 /* Parser for moves from gnuchess, ICS, or user typein box */
5387 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5389 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5391 switch (*moveType) {
5392 case WhitePromotion:
5393 case BlackPromotion:
5394 case WhiteNonPromotion:
5395 case BlackNonPromotion:
5397 case WhiteCapturesEnPassant:
5398 case BlackCapturesEnPassant:
5399 case WhiteKingSideCastle:
5400 case WhiteQueenSideCastle:
5401 case BlackKingSideCastle:
5402 case BlackQueenSideCastle:
5403 case WhiteKingSideCastleWild:
5404 case WhiteQueenSideCastleWild:
5405 case BlackKingSideCastleWild:
5406 case BlackQueenSideCastleWild:
5407 /* Code added by Tord: */
5408 case WhiteHSideCastleFR:
5409 case WhiteASideCastleFR:
5410 case BlackHSideCastleFR:
5411 case BlackASideCastleFR:
5412 /* End of code added by Tord */
5413 case IllegalMove: /* bug or odd chess variant */
5414 *fromX = currentMoveString[0] - AAA;
5415 *fromY = currentMoveString[1] - ONE;
5416 *toX = currentMoveString[2] - AAA;
5417 *toY = currentMoveString[3] - ONE;
5418 *promoChar = currentMoveString[4];
5419 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5420 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5421 if (appData.debugMode) {
5422 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5424 *fromX = *fromY = *toX = *toY = 0;
5427 if (appData.testLegality) {
5428 return (*moveType != IllegalMove);
5430 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5431 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5436 *fromX = *moveType == WhiteDrop ?
5437 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5438 (int) CharToPiece(ToLower(currentMoveString[0]));
5440 *toX = currentMoveString[2] - AAA;
5441 *toY = currentMoveString[3] - ONE;
5442 *promoChar = NULLCHAR;
5446 case ImpossibleMove:
5456 if (appData.debugMode) {
5457 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5460 *fromX = *fromY = *toX = *toY = 0;
5461 *promoChar = NULLCHAR;
5466 Boolean pushed = FALSE;
5467 char *lastParseAttempt;
5470 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5471 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5472 int fromX, fromY, toX, toY; char promoChar;
5477 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5478 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5479 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5482 endPV = forwardMostMove;
5484 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5485 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5486 lastParseAttempt = pv;
5487 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5488 if(!valid && nr == 0 &&
5489 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5490 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5491 // Hande case where played move is different from leading PV move
5492 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5493 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5494 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5495 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5496 endPV += 2; // if position different, keep this
5497 moveList[endPV-1][0] = fromX + AAA;
5498 moveList[endPV-1][1] = fromY + ONE;
5499 moveList[endPV-1][2] = toX + AAA;
5500 moveList[endPV-1][3] = toY + ONE;
5501 parseList[endPV-1][0] = NULLCHAR;
5502 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5505 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5506 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5507 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5508 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5509 valid++; // allow comments in PV
5513 if(endPV+1 > framePtr) break; // no space, truncate
5516 CopyBoard(boards[endPV], boards[endPV-1]);
5517 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5518 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5519 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5520 CoordsToAlgebraic(boards[endPV - 1],
5521 PosFlags(endPV - 1),
5522 fromY, fromX, toY, toX, promoChar,
5523 parseList[endPV - 1]);
5525 if(atEnd == 2) return; // used hidden, for PV conversion
5526 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5527 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5528 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5529 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5530 DrawPosition(TRUE, boards[currentMove]);
5534 MultiPV (ChessProgramState *cps)
5535 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5537 for(i=0; i<cps->nrOptions; i++)
5538 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5543 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5546 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5548 int startPV, multi, lineStart, origIndex = index;
5549 char *p, buf2[MSG_SIZ];
5550 ChessProgramState *cps = (pane ? &second : &first);
5552 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5553 lastX = x; lastY = y;
5554 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5555 lineStart = startPV = index;
5556 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5557 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5559 do{ while(buf[index] && buf[index] != '\n') index++;
5560 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5562 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5563 int n = cps->option[multi].value;
5564 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5565 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5566 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5567 cps->option[multi].value = n;
5570 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5571 ExcludeClick(origIndex - lineStart);
5574 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5575 *start = startPV; *end = index-1;
5576 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5583 static char buf[10*MSG_SIZ];
5584 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5586 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5587 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5588 for(i = forwardMostMove; i<endPV; i++){
5589 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5590 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5593 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5594 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5595 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5601 LoadPV (int x, int y)
5602 { // called on right mouse click to load PV
5603 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5604 lastX = x; lastY = y;
5605 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5613 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5614 if(endPV < 0) return;
5615 if(appData.autoCopyPV) CopyFENToClipboard();
5617 if(extendGame && currentMove > forwardMostMove) {
5618 Boolean saveAnimate = appData.animate;
5620 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5621 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5622 } else storedGames--; // abandon shelved tail of original game
5625 forwardMostMove = currentMove;
5626 currentMove = oldFMM;
5627 appData.animate = FALSE;
5628 ToNrEvent(forwardMostMove);
5629 appData.animate = saveAnimate;
5631 currentMove = forwardMostMove;
5632 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5633 ClearPremoveHighlights();
5634 DrawPosition(TRUE, boards[currentMove]);
5638 MovePV (int x, int y, int h)
5639 { // step through PV based on mouse coordinates (called on mouse move)
5640 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5642 // we must somehow check if right button is still down (might be released off board!)
5643 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5644 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5645 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5647 lastX = x; lastY = y;
5649 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5650 if(endPV < 0) return;
5651 if(y < margin) step = 1; else
5652 if(y > h - margin) step = -1;
5653 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5654 currentMove += step;
5655 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5656 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5657 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5658 DrawPosition(FALSE, boards[currentMove]);
5662 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5663 // All positions will have equal probability, but the current method will not provide a unique
5664 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5670 int piecesLeft[(int)BlackPawn];
5671 int seed, nrOfShuffles;
5674 GetPositionNumber ()
5675 { // sets global variable seed
5678 seed = appData.defaultFrcPosition;
5679 if(seed < 0) { // randomize based on time for negative FRC position numbers
5680 for(i=0; i<50; i++) seed += random();
5681 seed = random() ^ random() >> 8 ^ random() << 8;
5682 if(seed<0) seed = -seed;
5687 put (Board board, int pieceType, int rank, int n, int shade)
5688 // put the piece on the (n-1)-th empty squares of the given shade
5692 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5693 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5694 board[rank][i] = (ChessSquare) pieceType;
5695 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5697 piecesLeft[pieceType]--;
5706 AddOnePiece (Board board, int pieceType, int rank, int shade)
5707 // calculate where the next piece goes, (any empty square), and put it there
5711 i = seed % squaresLeft[shade];
5712 nrOfShuffles *= squaresLeft[shade];
5713 seed /= squaresLeft[shade];
5714 put(board, pieceType, rank, i, shade);
5718 AddTwoPieces (Board board, int pieceType, int rank)
5719 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5721 int i, n=squaresLeft[ANY], j=n-1, k;
5723 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5724 i = seed % k; // pick one
5727 while(i >= j) i -= j--;
5728 j = n - 1 - j; i += j;
5729 put(board, pieceType, rank, j, ANY);
5730 put(board, pieceType, rank, i, ANY);
5734 SetUpShuffle (Board board, int number)
5738 GetPositionNumber(); nrOfShuffles = 1;
5740 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5741 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5742 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5744 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5746 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5747 p = (int) board[0][i];
5748 if(p < (int) BlackPawn) piecesLeft[p] ++;
5749 board[0][i] = EmptySquare;
5752 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5753 // shuffles restricted to allow normal castling put KRR first
5754 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5755 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5756 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5757 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5758 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5759 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5760 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5761 put(board, WhiteRook, 0, 0, ANY);
5762 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5765 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5766 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5767 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5768 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5769 while(piecesLeft[p] >= 2) {
5770 AddOnePiece(board, p, 0, LITE);
5771 AddOnePiece(board, p, 0, DARK);
5773 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5776 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5777 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5778 // but we leave King and Rooks for last, to possibly obey FRC restriction
5779 if(p == (int)WhiteRook) continue;
5780 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5781 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5784 // now everything is placed, except perhaps King (Unicorn) and Rooks
5786 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5787 // Last King gets castling rights
5788 while(piecesLeft[(int)WhiteUnicorn]) {
5789 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5790 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5793 while(piecesLeft[(int)WhiteKing]) {
5794 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5795 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5800 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5801 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5804 // Only Rooks can be left; simply place them all
5805 while(piecesLeft[(int)WhiteRook]) {
5806 i = put(board, WhiteRook, 0, 0, ANY);
5807 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5810 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5812 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5815 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5816 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5819 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5823 SetCharTable (char *table, const char * map)
5824 /* [HGM] moved here from winboard.c because of its general usefulness */
5825 /* Basically a safe strcpy that uses the last character as King */
5827 int result = FALSE; int NrPieces;
5829 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5830 && NrPieces >= 12 && !(NrPieces&1)) {
5831 int i; /* [HGM] Accept even length from 12 to 34 */
5833 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5834 for( i=0; i<NrPieces/2-1; i++ ) {
5836 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5838 table[(int) WhiteKing] = map[NrPieces/2-1];
5839 table[(int) BlackKing] = map[NrPieces-1];
5848 Prelude (Board board)
5849 { // [HGM] superchess: random selection of exo-pieces
5850 int i, j, k; ChessSquare p;
5851 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5853 GetPositionNumber(); // use FRC position number
5855 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5856 SetCharTable(pieceToChar, appData.pieceToCharTable);
5857 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5858 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5861 j = seed%4; seed /= 4;
5862 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5863 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5864 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5865 j = seed%3 + (seed%3 >= j); seed /= 3;
5866 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5867 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5868 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5869 j = seed%3; seed /= 3;
5870 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5871 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5872 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5873 j = seed%2 + (seed%2 >= j); seed /= 2;
5874 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5875 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5876 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5877 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5878 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5879 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5880 put(board, exoPieces[0], 0, 0, ANY);
5881 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5885 InitPosition (int redraw)
5887 ChessSquare (* pieces)[BOARD_FILES];
5888 int i, j, pawnRow=1, pieceRows=1, overrule,
5889 oldx = gameInfo.boardWidth,
5890 oldy = gameInfo.boardHeight,
5891 oldh = gameInfo.holdingsWidth;
5894 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5896 /* [AS] Initialize pv info list [HGM] and game status */
5898 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5899 pvInfoList[i].depth = 0;
5900 boards[i][EP_STATUS] = EP_NONE;
5901 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5904 initialRulePlies = 0; /* 50-move counter start */
5906 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5907 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5911 /* [HGM] logic here is completely changed. In stead of full positions */
5912 /* the initialized data only consist of the two backranks. The switch */
5913 /* selects which one we will use, which is than copied to the Board */
5914 /* initialPosition, which for the rest is initialized by Pawns and */
5915 /* empty squares. This initial position is then copied to boards[0], */
5916 /* possibly after shuffling, so that it remains available. */
5918 gameInfo.holdingsWidth = 0; /* default board sizes */
5919 gameInfo.boardWidth = 8;
5920 gameInfo.boardHeight = 8;
5921 gameInfo.holdingsSize = 0;
5922 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5923 for(i=0; i<BOARD_FILES-2; i++)
5924 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5925 initialPosition[EP_STATUS] = EP_NONE;
5926 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5927 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5928 SetCharTable(pieceNickName, appData.pieceNickNames);
5929 else SetCharTable(pieceNickName, "............");
5932 switch (gameInfo.variant) {
5933 case VariantFischeRandom:
5934 shuffleOpenings = TRUE;
5937 case VariantShatranj:
5938 pieces = ShatranjArray;
5939 nrCastlingRights = 0;
5940 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5943 pieces = makrukArray;
5944 nrCastlingRights = 0;
5945 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5948 pieces = aseanArray;
5949 nrCastlingRights = 0;
5950 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
5952 case VariantTwoKings:
5953 pieces = twoKingsArray;
5956 pieces = GrandArray;
5957 nrCastlingRights = 0;
5958 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5959 gameInfo.boardWidth = 10;
5960 gameInfo.boardHeight = 10;
5961 gameInfo.holdingsSize = 7;
5963 case VariantCapaRandom:
5964 shuffleOpenings = TRUE;
5965 case VariantCapablanca:
5966 pieces = CapablancaArray;
5967 gameInfo.boardWidth = 10;
5968 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5971 pieces = GothicArray;
5972 gameInfo.boardWidth = 10;
5973 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5976 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5977 gameInfo.holdingsSize = 7;
5978 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5981 pieces = JanusArray;
5982 gameInfo.boardWidth = 10;
5983 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5984 nrCastlingRights = 6;
5985 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5986 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5987 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5988 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5989 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5990 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5993 pieces = FalconArray;
5994 gameInfo.boardWidth = 10;
5995 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5997 case VariantXiangqi:
5998 pieces = XiangqiArray;
5999 gameInfo.boardWidth = 9;
6000 gameInfo.boardHeight = 10;
6001 nrCastlingRights = 0;
6002 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6005 pieces = ShogiArray;
6006 gameInfo.boardWidth = 9;
6007 gameInfo.boardHeight = 9;
6008 gameInfo.holdingsSize = 7;
6009 nrCastlingRights = 0;
6010 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6013 pieces = ChuArray; pieceRows = 3;
6014 gameInfo.boardWidth = 12;
6015 gameInfo.boardHeight = 12;
6016 nrCastlingRights = 0;
6017 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6018 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6020 case VariantCourier:
6021 pieces = CourierArray;
6022 gameInfo.boardWidth = 12;
6023 nrCastlingRights = 0;
6024 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6026 case VariantKnightmate:
6027 pieces = KnightmateArray;
6028 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6030 case VariantSpartan:
6031 pieces = SpartanArray;
6032 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6035 pieces = fairyArray;
6036 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6039 pieces = GreatArray;
6040 gameInfo.boardWidth = 10;
6041 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6042 gameInfo.holdingsSize = 8;
6046 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6047 gameInfo.holdingsSize = 8;
6048 startedFromSetupPosition = TRUE;
6050 case VariantCrazyhouse:
6051 case VariantBughouse:
6053 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6054 gameInfo.holdingsSize = 5;
6056 case VariantWildCastle:
6058 /* !!?shuffle with kings guaranteed to be on d or e file */
6059 shuffleOpenings = 1;
6061 case VariantNoCastle:
6063 nrCastlingRights = 0;
6064 /* !!?unconstrained back-rank shuffle */
6065 shuffleOpenings = 1;
6070 if(appData.NrFiles >= 0) {
6071 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6072 gameInfo.boardWidth = appData.NrFiles;
6074 if(appData.NrRanks >= 0) {
6075 gameInfo.boardHeight = appData.NrRanks;
6077 if(appData.holdingsSize >= 0) {
6078 i = appData.holdingsSize;
6079 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6080 gameInfo.holdingsSize = i;
6082 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6083 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6084 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6086 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6087 if(pawnRow < 1) pawnRow = 1;
6088 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN || gameInfo.variant == VariantGrand) pawnRow = 2;
6089 if(gameInfo.variant == VariantChu) pawnRow = 3;
6091 /* User pieceToChar list overrules defaults */
6092 if(appData.pieceToCharTable != NULL)
6093 SetCharTable(pieceToChar, appData.pieceToCharTable);
6095 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6097 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6098 s = (ChessSquare) 0; /* account holding counts in guard band */
6099 for( i=0; i<BOARD_HEIGHT; i++ )
6100 initialPosition[i][j] = s;
6102 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6103 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6104 initialPosition[pawnRow][j] = WhitePawn;
6105 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6106 if(gameInfo.variant == VariantXiangqi) {
6108 initialPosition[pawnRow][j] =
6109 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6110 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6111 initialPosition[2][j] = WhiteCannon;
6112 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6116 if(gameInfo.variant == VariantChu) {
6117 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6118 initialPosition[pawnRow+1][j] = WhiteCobra,
6119 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6120 for(i=1; i<pieceRows; i++) {
6121 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6122 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6125 if(gameInfo.variant == VariantGrand) {
6126 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6127 initialPosition[0][j] = WhiteRook;
6128 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6131 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6133 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6136 initialPosition[1][j] = WhiteBishop;
6137 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6139 initialPosition[1][j] = WhiteRook;
6140 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6143 if( nrCastlingRights == -1) {
6144 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6145 /* This sets default castling rights from none to normal corners */
6146 /* Variants with other castling rights must set them themselves above */
6147 nrCastlingRights = 6;
6149 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6150 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6151 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6152 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6153 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6154 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6157 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6158 if(gameInfo.variant == VariantGreat) { // promotion commoners
6159 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6160 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6161 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6162 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6164 if( gameInfo.variant == VariantSChess ) {
6165 initialPosition[1][0] = BlackMarshall;
6166 initialPosition[2][0] = BlackAngel;
6167 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6168 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6169 initialPosition[1][1] = initialPosition[2][1] =
6170 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6172 if (appData.debugMode) {
6173 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6175 if(shuffleOpenings) {
6176 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6177 startedFromSetupPosition = TRUE;
6179 if(startedFromPositionFile) {
6180 /* [HGM] loadPos: use PositionFile for every new game */
6181 CopyBoard(initialPosition, filePosition);
6182 for(i=0; i<nrCastlingRights; i++)
6183 initialRights[i] = filePosition[CASTLING][i];
6184 startedFromSetupPosition = TRUE;
6187 CopyBoard(boards[0], initialPosition);
6189 if(oldx != gameInfo.boardWidth ||
6190 oldy != gameInfo.boardHeight ||
6191 oldv != gameInfo.variant ||
6192 oldh != gameInfo.holdingsWidth
6194 InitDrawingSizes(-2 ,0);
6196 oldv = gameInfo.variant;
6198 DrawPosition(TRUE, boards[currentMove]);
6202 SendBoard (ChessProgramState *cps, int moveNum)
6204 char message[MSG_SIZ];
6206 if (cps->useSetboard) {
6207 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6208 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6209 SendToProgram(message, cps);
6214 int i, j, left=0, right=BOARD_WIDTH;
6215 /* Kludge to set black to move, avoiding the troublesome and now
6216 * deprecated "black" command.
6218 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6219 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6221 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6223 SendToProgram("edit\n", cps);
6224 SendToProgram("#\n", cps);
6225 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6226 bp = &boards[moveNum][i][left];
6227 for (j = left; j < right; j++, bp++) {
6228 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6229 if ((int) *bp < (int) BlackPawn) {
6230 if(j == BOARD_RGHT+1)
6231 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6232 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6233 if(message[0] == '+' || message[0] == '~') {
6234 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6235 PieceToChar((ChessSquare)(DEMOTED *bp)),
6238 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6239 message[1] = BOARD_RGHT - 1 - j + '1';
6240 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6242 SendToProgram(message, cps);
6247 SendToProgram("c\n", cps);
6248 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6249 bp = &boards[moveNum][i][left];
6250 for (j = left; j < right; j++, bp++) {
6251 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6252 if (((int) *bp != (int) EmptySquare)
6253 && ((int) *bp >= (int) BlackPawn)) {
6254 if(j == BOARD_LEFT-2)
6255 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6256 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6258 if(message[0] == '+' || message[0] == '~') {
6259 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6260 PieceToChar((ChessSquare)(DEMOTED *bp)),
6263 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6264 message[1] = BOARD_RGHT - 1 - j + '1';
6265 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6267 SendToProgram(message, cps);
6272 SendToProgram(".\n", cps);
6274 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6277 char exclusionHeader[MSG_SIZ];
6278 int exCnt, excludePtr;
6279 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6280 static Exclusion excluTab[200];
6281 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6287 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6288 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6294 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6295 excludePtr = 24; exCnt = 0;
6300 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6301 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6302 char buf[2*MOVE_LEN], *p;
6303 Exclusion *e = excluTab;
6305 for(i=0; i<exCnt; i++)
6306 if(e[i].ff == fromX && e[i].fr == fromY &&
6307 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6308 if(i == exCnt) { // was not in exclude list; add it
6309 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6310 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6311 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6314 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6315 excludePtr++; e[i].mark = excludePtr++;
6316 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6319 exclusionHeader[e[i].mark] = state;
6323 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6324 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6328 if((signed char)promoChar == -1) { // kludge to indicate best move
6329 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6330 return 1; // if unparsable, abort
6332 // update exclusion map (resolving toggle by consulting existing state)
6333 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6335 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6336 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6337 excludeMap[k] |= 1<<j;
6338 else excludeMap[k] &= ~(1<<j);
6340 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6342 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6343 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6345 return (state == '+');
6349 ExcludeClick (int index)
6352 Exclusion *e = excluTab;
6353 if(index < 25) { // none, best or tail clicked
6354 if(index < 13) { // none: include all
6355 WriteMap(0); // clear map
6356 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6357 SendToBoth("include all\n"); // and inform engine
6358 } else if(index > 18) { // tail
6359 if(exclusionHeader[19] == '-') { // tail was excluded
6360 SendToBoth("include all\n");
6361 WriteMap(0); // clear map completely
6362 // now re-exclude selected moves
6363 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6364 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6365 } else { // tail was included or in mixed state
6366 SendToBoth("exclude all\n");
6367 WriteMap(0xFF); // fill map completely
6368 // now re-include selected moves
6369 j = 0; // count them
6370 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6371 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6372 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6375 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6378 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6379 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6380 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6387 DefaultPromoChoice (int white)
6390 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6391 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6392 result = WhiteFerz; // no choice
6393 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6394 result= WhiteKing; // in Suicide Q is the last thing we want
6395 else if(gameInfo.variant == VariantSpartan)
6396 result = white ? WhiteQueen : WhiteAngel;
6397 else result = WhiteQueen;
6398 if(!white) result = WHITE_TO_BLACK result;
6402 static int autoQueen; // [HGM] oneclick
6405 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6407 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6408 /* [HGM] add Shogi promotions */
6409 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6414 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6415 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6417 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6418 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6421 piece = boards[currentMove][fromY][fromX];
6422 if(gameInfo.variant == VariantChu) {
6423 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6424 promotionZoneSize = BOARD_HEIGHT/3;
6425 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteKing;
6426 } else if(gameInfo.variant == VariantShogi) {
6427 promotionZoneSize = BOARD_HEIGHT/3;
6428 highestPromotingPiece = (int)WhiteAlfil;
6429 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6430 promotionZoneSize = 3;
6433 // Treat Lance as Pawn when it is not representing Amazon
6434 if(gameInfo.variant != VariantSuper) {
6435 if(piece == WhiteLance) piece = WhitePawn; else
6436 if(piece == BlackLance) piece = BlackPawn;
6439 // next weed out all moves that do not touch the promotion zone at all
6440 if((int)piece >= BlackPawn) {
6441 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6443 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6445 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6446 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6449 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6451 // weed out mandatory Shogi promotions
6452 if(gameInfo.variant == VariantShogi) {
6453 if(piece >= BlackPawn) {
6454 if(toY == 0 && piece == BlackPawn ||
6455 toY == 0 && piece == BlackQueen ||
6456 toY <= 1 && piece == BlackKnight) {
6461 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6462 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6463 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6470 // weed out obviously illegal Pawn moves
6471 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6472 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6473 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6474 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6475 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6476 // note we are not allowed to test for valid (non-)capture, due to premove
6479 // we either have a choice what to promote to, or (in Shogi) whether to promote
6480 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6481 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6482 *promoChoice = PieceToChar(BlackFerz); // no choice
6485 // no sense asking what we must promote to if it is going to explode...
6486 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6487 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6490 // give caller the default choice even if we will not make it
6491 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6492 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6493 if( sweepSelect && gameInfo.variant != VariantGreat
6494 && gameInfo.variant != VariantGrand
6495 && gameInfo.variant != VariantSuper) return FALSE;
6496 if(autoQueen) return FALSE; // predetermined
6498 // suppress promotion popup on illegal moves that are not premoves
6499 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6500 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6501 if(appData.testLegality && !premove) {
6502 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6503 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) ? '+' : NULLCHAR);
6504 if(moveType != WhitePromotion && moveType != BlackPromotion)
6512 InPalace (int row, int column)
6513 { /* [HGM] for Xiangqi */
6514 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6515 column < (BOARD_WIDTH + 4)/2 &&
6516 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6521 PieceForSquare (int x, int y)
6523 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6526 return boards[currentMove][y][x];
6530 OKToStartUserMove (int x, int y)
6532 ChessSquare from_piece;
6535 if (matchMode) return FALSE;
6536 if (gameMode == EditPosition) return TRUE;
6538 if (x >= 0 && y >= 0)
6539 from_piece = boards[currentMove][y][x];
6541 from_piece = EmptySquare;
6543 if (from_piece == EmptySquare) return FALSE;
6545 white_piece = (int)from_piece >= (int)WhitePawn &&
6546 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6550 case TwoMachinesPlay:
6558 case MachinePlaysWhite:
6559 case IcsPlayingBlack:
6560 if (appData.zippyPlay) return FALSE;
6562 DisplayMoveError(_("You are playing Black"));
6567 case MachinePlaysBlack:
6568 case IcsPlayingWhite:
6569 if (appData.zippyPlay) return FALSE;
6571 DisplayMoveError(_("You are playing White"));
6576 case PlayFromGameFile:
6577 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6579 if (!white_piece && WhiteOnMove(currentMove)) {
6580 DisplayMoveError(_("It is White's turn"));
6583 if (white_piece && !WhiteOnMove(currentMove)) {
6584 DisplayMoveError(_("It is Black's turn"));
6587 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6588 /* Editing correspondence game history */
6589 /* Could disallow this or prompt for confirmation */
6594 case BeginningOfGame:
6595 if (appData.icsActive) return FALSE;
6596 if (!appData.noChessProgram) {
6598 DisplayMoveError(_("You are playing White"));
6605 if (!white_piece && WhiteOnMove(currentMove)) {
6606 DisplayMoveError(_("It is White's turn"));
6609 if (white_piece && !WhiteOnMove(currentMove)) {
6610 DisplayMoveError(_("It is Black's turn"));
6619 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6620 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6621 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6622 && gameMode != AnalyzeFile && gameMode != Training) {
6623 DisplayMoveError(_("Displayed position is not current"));
6630 OnlyMove (int *x, int *y, Boolean captures)
6632 DisambiguateClosure cl;
6633 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6635 case MachinePlaysBlack:
6636 case IcsPlayingWhite:
6637 case BeginningOfGame:
6638 if(!WhiteOnMove(currentMove)) return FALSE;
6640 case MachinePlaysWhite:
6641 case IcsPlayingBlack:
6642 if(WhiteOnMove(currentMove)) return FALSE;
6649 cl.pieceIn = EmptySquare;
6654 cl.promoCharIn = NULLCHAR;
6655 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6656 if( cl.kind == NormalMove ||
6657 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6658 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6659 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6666 if(cl.kind != ImpossibleMove) return FALSE;
6667 cl.pieceIn = EmptySquare;
6672 cl.promoCharIn = NULLCHAR;
6673 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6674 if( cl.kind == NormalMove ||
6675 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6676 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6677 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6682 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6688 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6689 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6690 int lastLoadGameUseList = FALSE;
6691 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6692 ChessMove lastLoadGameStart = EndOfFile;
6696 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6700 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6702 /* Check if the user is playing in turn. This is complicated because we
6703 let the user "pick up" a piece before it is his turn. So the piece he
6704 tried to pick up may have been captured by the time he puts it down!
6705 Therefore we use the color the user is supposed to be playing in this
6706 test, not the color of the piece that is currently on the starting
6707 square---except in EditGame mode, where the user is playing both
6708 sides; fortunately there the capture race can't happen. (It can
6709 now happen in IcsExamining mode, but that's just too bad. The user
6710 will get a somewhat confusing message in that case.)
6715 case TwoMachinesPlay:
6719 /* We switched into a game mode where moves are not accepted,
6720 perhaps while the mouse button was down. */
6723 case MachinePlaysWhite:
6724 /* User is moving for Black */
6725 if (WhiteOnMove(currentMove)) {
6726 DisplayMoveError(_("It is White's turn"));
6731 case MachinePlaysBlack:
6732 /* User is moving for White */
6733 if (!WhiteOnMove(currentMove)) {
6734 DisplayMoveError(_("It is Black's turn"));
6739 case PlayFromGameFile:
6740 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6743 case BeginningOfGame:
6746 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6747 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6748 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6749 /* User is moving for Black */
6750 if (WhiteOnMove(currentMove)) {
6751 DisplayMoveError(_("It is White's turn"));
6755 /* User is moving for White */
6756 if (!WhiteOnMove(currentMove)) {
6757 DisplayMoveError(_("It is Black's turn"));
6763 case IcsPlayingBlack:
6764 /* User is moving for Black */
6765 if (WhiteOnMove(currentMove)) {
6766 if (!appData.premove) {
6767 DisplayMoveError(_("It is White's turn"));
6768 } else if (toX >= 0 && toY >= 0) {
6771 premoveFromX = fromX;
6772 premoveFromY = fromY;
6773 premovePromoChar = promoChar;
6775 if (appData.debugMode)
6776 fprintf(debugFP, "Got premove: fromX %d,"
6777 "fromY %d, toX %d, toY %d\n",
6778 fromX, fromY, toX, toY);
6784 case IcsPlayingWhite:
6785 /* User is moving for White */
6786 if (!WhiteOnMove(currentMove)) {
6787 if (!appData.premove) {
6788 DisplayMoveError(_("It is Black's turn"));
6789 } else if (toX >= 0 && toY >= 0) {
6792 premoveFromX = fromX;
6793 premoveFromY = fromY;
6794 premovePromoChar = promoChar;
6796 if (appData.debugMode)
6797 fprintf(debugFP, "Got premove: fromX %d,"
6798 "fromY %d, toX %d, toY %d\n",
6799 fromX, fromY, toX, toY);
6809 /* EditPosition, empty square, or different color piece;
6810 click-click move is possible */
6811 if (toX == -2 || toY == -2) {
6812 boards[0][fromY][fromX] = EmptySquare;
6813 DrawPosition(FALSE, boards[currentMove]);
6815 } else if (toX >= 0 && toY >= 0) {
6816 boards[0][toY][toX] = boards[0][fromY][fromX];
6817 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6818 if(boards[0][fromY][0] != EmptySquare) {
6819 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6820 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6823 if(fromX == BOARD_RGHT+1) {
6824 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6825 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6826 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6829 boards[0][fromY][fromX] = gatingPiece;
6830 DrawPosition(FALSE, boards[currentMove]);
6836 if(toX < 0 || toY < 0) return;
6837 pup = boards[currentMove][toY][toX];
6839 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6840 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6841 if( pup != EmptySquare ) return;
6842 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6843 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6844 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6845 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6846 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6847 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6848 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6852 /* [HGM] always test for legality, to get promotion info */
6853 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6854 fromY, fromX, toY, toX, promoChar);
6856 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6858 /* [HGM] but possibly ignore an IllegalMove result */
6859 if (appData.testLegality) {
6860 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6861 DisplayMoveError(_("Illegal move"));
6866 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6867 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6868 ClearPremoveHighlights(); // was included
6869 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6873 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6876 /* Common tail of UserMoveEvent and DropMenuEvent */
6878 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6882 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6883 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6884 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6885 if(WhiteOnMove(currentMove)) {
6886 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6888 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6892 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6893 move type in caller when we know the move is a legal promotion */
6894 if(moveType == NormalMove && promoChar)
6895 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6897 /* [HGM] <popupFix> The following if has been moved here from
6898 UserMoveEvent(). Because it seemed to belong here (why not allow
6899 piece drops in training games?), and because it can only be
6900 performed after it is known to what we promote. */
6901 if (gameMode == Training) {
6902 /* compare the move played on the board to the next move in the
6903 * game. If they match, display the move and the opponent's response.
6904 * If they don't match, display an error message.
6908 CopyBoard(testBoard, boards[currentMove]);
6909 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6911 if (CompareBoards(testBoard, boards[currentMove+1])) {
6912 ForwardInner(currentMove+1);
6914 /* Autoplay the opponent's response.
6915 * if appData.animate was TRUE when Training mode was entered,
6916 * the response will be animated.
6918 saveAnimate = appData.animate;
6919 appData.animate = animateTraining;
6920 ForwardInner(currentMove+1);
6921 appData.animate = saveAnimate;
6923 /* check for the end of the game */
6924 if (currentMove >= forwardMostMove) {
6925 gameMode = PlayFromGameFile;
6927 SetTrainingModeOff();
6928 DisplayInformation(_("End of game"));
6931 DisplayError(_("Incorrect move"), 0);
6936 /* Ok, now we know that the move is good, so we can kill
6937 the previous line in Analysis Mode */
6938 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6939 && currentMove < forwardMostMove) {
6940 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6941 else forwardMostMove = currentMove;
6946 /* If we need the chess program but it's dead, restart it */
6947 ResurrectChessProgram();
6949 /* A user move restarts a paused game*/
6953 thinkOutput[0] = NULLCHAR;
6955 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6957 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6958 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6962 if (gameMode == BeginningOfGame) {
6963 if (appData.noChessProgram) {
6964 gameMode = EditGame;
6968 gameMode = MachinePlaysBlack;
6971 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6973 if (first.sendName) {
6974 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6975 SendToProgram(buf, &first);
6982 /* Relay move to ICS or chess engine */
6983 if (appData.icsActive) {
6984 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6985 gameMode == IcsExamining) {
6986 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6987 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6989 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6991 // also send plain move, in case ICS does not understand atomic claims
6992 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6996 if (first.sendTime && (gameMode == BeginningOfGame ||
6997 gameMode == MachinePlaysWhite ||
6998 gameMode == MachinePlaysBlack)) {
6999 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7001 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7002 // [HGM] book: if program might be playing, let it use book
7003 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7004 first.maybeThinking = TRUE;
7005 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7006 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7007 SendBoard(&first, currentMove+1);
7008 if(second.analyzing) {
7009 if(!second.useSetboard) SendToProgram("undo\n", &second);
7010 SendBoard(&second, currentMove+1);
7013 SendMoveToProgram(forwardMostMove-1, &first);
7014 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7016 if (currentMove == cmailOldMove + 1) {
7017 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7021 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7025 if(appData.testLegality)
7026 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7032 if (WhiteOnMove(currentMove)) {
7033 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7035 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7039 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7044 case MachinePlaysBlack:
7045 case MachinePlaysWhite:
7046 /* disable certain menu options while machine is thinking */
7047 SetMachineThinkingEnables();
7054 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7055 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7057 if(bookHit) { // [HGM] book: simulate book reply
7058 static char bookMove[MSG_SIZ]; // a bit generous?
7060 programStats.nodes = programStats.depth = programStats.time =
7061 programStats.score = programStats.got_only_move = 0;
7062 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7064 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7065 strcat(bookMove, bookHit);
7066 HandleMachineMove(bookMove, &first);
7072 MarkByFEN(char *fen)
7075 if(!appData.markers || !appData.highlightDragging) return;
7076 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7077 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7081 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7082 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7083 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7084 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7085 if(*fen == 'T') marker[r][f++] = 0; else
7086 if(*fen == 'Y') marker[r][f++] = 1; else
7087 if(*fen == 'G') marker[r][f++] = 3; else
7088 if(*fen == 'B') marker[r][f++] = 4; else
7089 if(*fen == 'C') marker[r][f++] = 5; else
7090 if(*fen == 'M') marker[r][f++] = 6; else
7091 if(*fen == 'W') marker[r][f++] = 7; else
7092 if(*fen == 'D') marker[r][f++] = 8; else
7093 if(*fen == 'R') marker[r][f++] = 2; else {
7094 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7097 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7101 DrawPosition(TRUE, NULL);
7105 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7107 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7108 Markers *m = (Markers *) closure;
7109 if(rf == fromY && ff == fromX)
7110 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7111 || kind == WhiteCapturesEnPassant
7112 || kind == BlackCapturesEnPassant);
7113 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7117 MarkTargetSquares (int clear)
7120 if(clear) { // no reason to ever suppress clearing
7121 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7122 if(!sum) return; // nothing was cleared,no redraw needed
7125 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7126 !appData.testLegality || gameMode == EditPosition) return;
7127 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7128 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7129 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7131 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7134 DrawPosition(FALSE, NULL);
7138 Explode (Board board, int fromX, int fromY, int toX, int toY)
7140 if(gameInfo.variant == VariantAtomic &&
7141 (board[toY][toX] != EmptySquare || // capture?
7142 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7143 board[fromY][fromX] == BlackPawn )
7145 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7151 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7154 CanPromote (ChessSquare piece, int y)
7156 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7157 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7158 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7159 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7160 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7161 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7162 return (piece == BlackPawn && y == 1 ||
7163 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7164 piece == BlackLance && y == 1 ||
7165 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7169 HoverEvent (int xPix, int yPix, int x, int y)
7171 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7172 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7174 if(dragging == 2) DragPieceMove(xPix, yPix); // [HGM] lion: drag without button for second leg
7175 if(!first.highlight) return;
7176 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7177 if(x == oldX && y == oldY) return; // only do something if we enter new square
7178 oldFromX = fromX; oldFromY = fromY;
7179 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) // record markings after from-change
7180 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7181 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7182 else if(oldX != x || oldY != y) {
7183 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7184 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7185 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7186 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7188 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7189 SendToProgram(buf, &first);
7192 // SetHighlights(fromX, fromY, x, y);
7196 void ReportClick(char *action, int x, int y)
7198 char buf[MSG_SIZ]; // Inform engine of what user does
7200 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7201 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7202 if(!first.highlight || gameMode == EditPosition) return;
7203 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7204 SendToProgram(buf, &first);
7208 LeftClick (ClickType clickType, int xPix, int yPix)
7211 Boolean saveAnimate;
7212 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7213 char promoChoice = NULLCHAR;
7215 static TimeMark lastClickTime, prevClickTime;
7217 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7219 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7221 if (clickType == Press) ErrorPopDown();
7222 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7224 x = EventToSquare(xPix, BOARD_WIDTH);
7225 y = EventToSquare(yPix, BOARD_HEIGHT);
7226 if (!flipView && y >= 0) {
7227 y = BOARD_HEIGHT - 1 - y;
7229 if (flipView && x >= 0) {
7230 x = BOARD_WIDTH - 1 - x;
7233 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7234 defaultPromoChoice = promoSweep;
7235 promoSweep = EmptySquare; // terminate sweep
7236 promoDefaultAltered = TRUE;
7237 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7240 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7241 if(clickType == Release) return; // ignore upclick of click-click destination
7242 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7243 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7244 if(gameInfo.holdingsWidth &&
7245 (WhiteOnMove(currentMove)
7246 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7247 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7248 // click in right holdings, for determining promotion piece
7249 ChessSquare p = boards[currentMove][y][x];
7250 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7251 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7252 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7253 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7258 DrawPosition(FALSE, boards[currentMove]);
7262 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7263 if(clickType == Press
7264 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7265 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7266 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7269 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7270 // could be static click on premove from-square: abort premove
7272 ClearPremoveHighlights();
7275 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7276 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7278 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7279 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7280 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7281 defaultPromoChoice = DefaultPromoChoice(side);
7284 autoQueen = appData.alwaysPromoteToQueen;
7288 gatingPiece = EmptySquare;
7289 if (clickType != Press) {
7290 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7291 DragPieceEnd(xPix, yPix); dragging = 0;
7292 DrawPosition(FALSE, NULL);
7296 doubleClick = FALSE;
7297 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7298 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7300 fromX = x; fromY = y; toX = toY = -1;
7301 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7302 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7303 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7305 if (OKToStartUserMove(fromX, fromY)) {
7307 ReportClick("lift", x, y);
7308 MarkTargetSquares(0);
7309 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7310 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7311 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7312 promoSweep = defaultPromoChoice;
7313 selectFlag = 0; lastX = xPix; lastY = yPix;
7314 Sweep(0); // Pawn that is going to promote: preview promotion piece
7315 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7317 if (appData.highlightDragging) {
7318 SetHighlights(fromX, fromY, -1, -1);
7322 } else fromX = fromY = -1;
7328 if (clickType == Press && gameMode != EditPosition && killX < 0) {
7333 // ignore off-board to clicks
7334 if(y < 0 || x < 0) return;
7336 /* Check if clicking again on the same color piece */
7337 fromP = boards[currentMove][fromY][fromX];
7338 toP = boards[currentMove][y][x];
7339 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7340 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7341 WhitePawn <= toP && toP <= WhiteKing &&
7342 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7343 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7344 (BlackPawn <= fromP && fromP <= BlackKing &&
7345 BlackPawn <= toP && toP <= BlackKing &&
7346 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7347 !(fromP == BlackKing && toP == BlackRook && frc))) {
7348 /* Clicked again on same color piece -- changed his mind */
7349 second = (x == fromX && y == fromY);
7350 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7351 second = FALSE; // first double-click rather than scond click
7352 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7354 promoDefaultAltered = FALSE;
7355 MarkTargetSquares(1);
7356 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7357 if (appData.highlightDragging) {
7358 SetHighlights(x, y, -1, -1);
7362 if (OKToStartUserMove(x, y)) {
7363 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7364 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7365 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7366 gatingPiece = boards[currentMove][fromY][fromX];
7367 else gatingPiece = doubleClick ? fromP : EmptySquare;
7369 fromY = y; dragging = 1;
7370 ReportClick("lift", x, y);
7371 MarkTargetSquares(0);
7372 DragPieceBegin(xPix, yPix, FALSE);
7373 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7374 promoSweep = defaultPromoChoice;
7375 selectFlag = 0; lastX = xPix; lastY = yPix;
7376 Sweep(0); // Pawn that is going to promote: preview promotion piece
7380 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7383 // ignore clicks on holdings
7384 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7387 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7388 DragPieceEnd(xPix, yPix); dragging = 0;
7390 // a deferred attempt to click-click move an empty square on top of a piece
7391 boards[currentMove][y][x] = EmptySquare;
7393 DrawPosition(FALSE, boards[currentMove]);
7394 fromX = fromY = -1; clearFlag = 0;
7397 if (appData.animateDragging) {
7398 /* Undo animation damage if any */
7399 DrawPosition(FALSE, NULL);
7401 if (second || sweepSelecting) {
7402 /* Second up/down in same square; just abort move */
7403 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7404 second = sweepSelecting = 0;
7406 gatingPiece = EmptySquare;
7407 MarkTargetSquares(1);
7410 ClearPremoveHighlights();
7412 /* First upclick in same square; start click-click mode */
7413 SetHighlights(x, y, -1, -1);
7420 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY)) {
7421 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7422 DisplayMessage(_("only marked squares are legal"),"");
7423 DrawPosition(TRUE, NULL);
7424 return; // ignore to-click
7427 /* we now have a different from- and (possibly off-board) to-square */
7428 /* Completed move */
7429 if(!sweepSelecting) {
7432 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7434 saveAnimate = appData.animate;
7435 if (clickType == Press) {
7436 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7437 // must be Edit Position mode with empty-square selected
7438 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7439 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7442 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7446 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7447 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7449 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7450 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7451 if(appData.sweepSelect) {
7452 ChessSquare piece = boards[currentMove][fromY][fromX];
7453 promoSweep = defaultPromoChoice;
7454 if(PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7455 selectFlag = 0; lastX = xPix; lastY = yPix;
7456 Sweep(0); // Pawn that is going to promote: preview promotion piece
7458 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7459 MarkTargetSquares(1);
7461 return; // promo popup appears on up-click
7463 /* Finish clickclick move */
7464 if (appData.animate || appData.highlightLastMove) {
7465 SetHighlights(fromX, fromY, toX, toY);
7471 // [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
7472 /* Finish drag move */
7473 if (appData.highlightLastMove) {
7474 SetHighlights(fromX, fromY, toX, toY);
7479 if(!dragging || marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7480 dragging *= 2; // flag button-less dragging if we are dragging
7481 MarkTargetSquares(1);
7482 if(x == killX && y == killY) killX = killY = -1; else {
7483 killX = x; killY = y; //remeber this square as intermediate
7484 ReportClick("put", x, y); // and inform engine
7485 ReportClick("lift", x, y);
7489 DragPieceEnd(xPix, yPix); dragging = 0;
7490 /* Don't animate move and drag both */
7491 appData.animate = FALSE;
7494 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7495 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7496 ChessSquare piece = boards[currentMove][fromY][fromX];
7497 if(gameMode == EditPosition && piece != EmptySquare &&
7498 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7501 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7502 n = PieceToNumber(piece - (int)BlackPawn);
7503 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7504 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7505 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7507 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7508 n = PieceToNumber(piece);
7509 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7510 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7511 boards[currentMove][n][BOARD_WIDTH-2]++;
7513 boards[currentMove][fromY][fromX] = EmptySquare;
7517 MarkTargetSquares(1);
7518 DrawPosition(TRUE, boards[currentMove]);
7522 // off-board moves should not be highlighted
7523 if(x < 0 || y < 0) ClearHighlights();
7524 else ReportClick("put", x, y);
7526 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7528 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7529 SetHighlights(fromX, fromY, toX, toY);
7530 MarkTargetSquares(1);
7531 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7532 // [HGM] super: promotion to captured piece selected from holdings
7533 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7534 promotionChoice = TRUE;
7535 // kludge follows to temporarily execute move on display, without promoting yet
7536 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7537 boards[currentMove][toY][toX] = p;
7538 DrawPosition(FALSE, boards[currentMove]);
7539 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7540 boards[currentMove][toY][toX] = q;
7541 DisplayMessage("Click in holdings to choose piece", "");
7546 int oldMove = currentMove;
7547 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7548 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7549 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7550 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7551 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7552 DrawPosition(TRUE, boards[currentMove]);
7553 MarkTargetSquares(1);
7556 appData.animate = saveAnimate;
7557 if (appData.animate || appData.animateDragging) {
7558 /* Undo animation damage if needed */
7559 DrawPosition(FALSE, NULL);
7564 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7565 { // front-end-free part taken out of PieceMenuPopup
7566 int whichMenu; int xSqr, ySqr;
7568 if(seekGraphUp) { // [HGM] seekgraph
7569 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7570 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7574 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7575 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7576 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7577 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7578 if(action == Press) {
7579 originalFlip = flipView;
7580 flipView = !flipView; // temporarily flip board to see game from partners perspective
7581 DrawPosition(TRUE, partnerBoard);
7582 DisplayMessage(partnerStatus, "");
7584 } else if(action == Release) {
7585 flipView = originalFlip;
7586 DrawPosition(TRUE, boards[currentMove]);
7592 xSqr = EventToSquare(x, BOARD_WIDTH);
7593 ySqr = EventToSquare(y, BOARD_HEIGHT);
7594 if (action == Release) {
7595 if(pieceSweep != EmptySquare) {
7596 EditPositionMenuEvent(pieceSweep, toX, toY);
7597 pieceSweep = EmptySquare;
7598 } else UnLoadPV(); // [HGM] pv
7600 if (action != Press) return -2; // return code to be ignored
7603 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7605 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7606 if (xSqr < 0 || ySqr < 0) return -1;
7607 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7608 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7609 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7610 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7614 if(!appData.icsEngineAnalyze) return -1;
7615 case IcsPlayingWhite:
7616 case IcsPlayingBlack:
7617 if(!appData.zippyPlay) goto noZip;
7620 case MachinePlaysWhite:
7621 case MachinePlaysBlack:
7622 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7623 if (!appData.dropMenu) {
7625 return 2; // flag front-end to grab mouse events
7627 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7628 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7631 if (xSqr < 0 || ySqr < 0) return -1;
7632 if (!appData.dropMenu || appData.testLegality &&
7633 gameInfo.variant != VariantBughouse &&
7634 gameInfo.variant != VariantCrazyhouse) return -1;
7635 whichMenu = 1; // drop menu
7641 if (((*fromX = xSqr) < 0) ||
7642 ((*fromY = ySqr) < 0)) {
7643 *fromX = *fromY = -1;
7647 *fromX = BOARD_WIDTH - 1 - *fromX;
7649 *fromY = BOARD_HEIGHT - 1 - *fromY;
7655 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7657 // char * hint = lastHint;
7658 FrontEndProgramStats stats;
7660 stats.which = cps == &first ? 0 : 1;
7661 stats.depth = cpstats->depth;
7662 stats.nodes = cpstats->nodes;
7663 stats.score = cpstats->score;
7664 stats.time = cpstats->time;
7665 stats.pv = cpstats->movelist;
7666 stats.hint = lastHint;
7667 stats.an_move_index = 0;
7668 stats.an_move_count = 0;
7670 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7671 stats.hint = cpstats->move_name;
7672 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7673 stats.an_move_count = cpstats->nr_moves;
7676 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
7678 SetProgramStats( &stats );
7682 ClearEngineOutputPane (int which)
7684 static FrontEndProgramStats dummyStats;
7685 dummyStats.which = which;
7686 dummyStats.pv = "#";
7687 SetProgramStats( &dummyStats );
7690 #define MAXPLAYERS 500
7693 TourneyStandings (int display)
7695 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7696 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7697 char result, *p, *names[MAXPLAYERS];
7699 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7700 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7701 names[0] = p = strdup(appData.participants);
7702 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7704 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7706 while(result = appData.results[nr]) {
7707 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7708 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7709 wScore = bScore = 0;
7711 case '+': wScore = 2; break;
7712 case '-': bScore = 2; break;
7713 case '=': wScore = bScore = 1; break;
7715 case '*': return strdup("busy"); // tourney not finished
7723 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7724 for(w=0; w<nPlayers; w++) {
7726 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7727 ranking[w] = b; points[w] = bScore; score[b] = -2;
7729 p = malloc(nPlayers*34+1);
7730 for(w=0; w<nPlayers && w<display; w++)
7731 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7737 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7738 { // count all piece types
7740 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7741 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7742 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7745 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7746 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7747 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7748 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7749 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7750 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7755 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7757 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7758 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7760 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7761 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7762 if(myPawns == 2 && nMine == 3) // KPP
7763 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7764 if(myPawns == 1 && nMine == 2) // KP
7765 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7766 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7767 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7768 if(myPawns) return FALSE;
7769 if(pCnt[WhiteRook+side])
7770 return pCnt[BlackRook-side] ||
7771 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7772 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7773 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7774 if(pCnt[WhiteCannon+side]) {
7775 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7776 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7778 if(pCnt[WhiteKnight+side])
7779 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7784 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7786 VariantClass v = gameInfo.variant;
7788 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7789 if(v == VariantShatranj) return TRUE; // always winnable through baring
7790 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7791 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7793 if(v == VariantXiangqi) {
7794 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7796 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7797 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7798 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7799 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7800 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7801 if(stale) // we have at least one last-rank P plus perhaps C
7802 return majors // KPKX
7803 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7805 return pCnt[WhiteFerz+side] // KCAK
7806 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7807 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7808 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7810 } else if(v == VariantKnightmate) {
7811 if(nMine == 1) return FALSE;
7812 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7813 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7814 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7816 if(nMine == 1) return FALSE; // bare King
7817 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
7818 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7819 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7820 // by now we have King + 1 piece (or multiple Bishops on the same color)
7821 if(pCnt[WhiteKnight+side])
7822 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7823 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7824 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7826 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7827 if(pCnt[WhiteAlfil+side])
7828 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7829 if(pCnt[WhiteWazir+side])
7830 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7837 CompareWithRights (Board b1, Board b2)
7840 if(!CompareBoards(b1, b2)) return FALSE;
7841 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7842 /* compare castling rights */
7843 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7844 rights++; /* King lost rights, while rook still had them */
7845 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7846 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7847 rights++; /* but at least one rook lost them */
7849 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7851 if( b1[CASTLING][5] != NoRights ) {
7852 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7859 Adjudicate (ChessProgramState *cps)
7860 { // [HGM] some adjudications useful with buggy engines
7861 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7862 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7863 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7864 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7865 int k, drop, count = 0; static int bare = 1;
7866 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7867 Boolean canAdjudicate = !appData.icsActive;
7869 // most tests only when we understand the game, i.e. legality-checking on
7870 if( appData.testLegality )
7871 { /* [HGM] Some more adjudications for obstinate engines */
7872 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7873 static int moveCount = 6;
7875 char *reason = NULL;
7877 /* Count what is on board. */
7878 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7880 /* Some material-based adjudications that have to be made before stalemate test */
7881 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7882 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7883 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7884 if(canAdjudicate && appData.checkMates) {
7886 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7887 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7888 "Xboard adjudication: King destroyed", GE_XBOARD );
7893 /* Bare King in Shatranj (loses) or Losers (wins) */
7894 if( nrW == 1 || nrB == 1) {
7895 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7896 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7897 if(canAdjudicate && appData.checkMates) {
7899 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7900 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7901 "Xboard adjudication: Bare king", GE_XBOARD );
7905 if( gameInfo.variant == VariantShatranj && --bare < 0)
7907 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7908 if(canAdjudicate && appData.checkMates) {
7909 /* but only adjudicate if adjudication enabled */
7911 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7912 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7913 "Xboard adjudication: Bare king", GE_XBOARD );
7920 // don't wait for engine to announce game end if we can judge ourselves
7921 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7923 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7924 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7925 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7926 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7929 reason = "Xboard adjudication: 3rd check";
7930 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7940 reason = "Xboard adjudication: Stalemate";
7941 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7942 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7943 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7944 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7945 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7946 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7947 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7948 EP_CHECKMATE : EP_WINS);
7949 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7950 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7954 reason = "Xboard adjudication: Checkmate";
7955 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7956 if(gameInfo.variant == VariantShogi) {
7957 if(forwardMostMove > backwardMostMove
7958 && moveList[forwardMostMove-1][1] == '@'
7959 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7960 reason = "XBoard adjudication: pawn-drop mate";
7961 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7967 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7969 result = GameIsDrawn; break;
7971 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7973 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7977 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7979 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7980 GameEnds( result, reason, GE_XBOARD );
7984 /* Next absolutely insufficient mating material. */
7985 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7986 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7987 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7989 /* always flag draws, for judging claims */
7990 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7992 if(canAdjudicate && appData.materialDraws) {
7993 /* but only adjudicate them if adjudication enabled */
7994 if(engineOpponent) {
7995 SendToProgram("force\n", engineOpponent); // suppress reply
7996 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7998 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8003 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8004 if(gameInfo.variant == VariantXiangqi ?
8005 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8007 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8008 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8009 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8010 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8012 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8013 { /* if the first 3 moves do not show a tactical win, declare draw */
8014 if(engineOpponent) {
8015 SendToProgram("force\n", engineOpponent); // suppress reply
8016 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8018 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8021 } else moveCount = 6;
8024 // Repetition draws and 50-move rule can be applied independently of legality testing
8026 /* Check for rep-draws */
8028 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8029 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8030 for(k = forwardMostMove-2;
8031 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8032 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8033 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8036 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8037 /* compare castling rights */
8038 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8039 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8040 rights++; /* King lost rights, while rook still had them */
8041 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8042 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8043 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8044 rights++; /* but at least one rook lost them */
8046 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8047 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8049 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8050 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8051 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8054 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8055 && appData.drawRepeats > 1) {
8056 /* adjudicate after user-specified nr of repeats */
8057 int result = GameIsDrawn;
8058 char *details = "XBoard adjudication: repetition draw";
8059 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8060 // [HGM] xiangqi: check for forbidden perpetuals
8061 int m, ourPerpetual = 1, hisPerpetual = 1;
8062 for(m=forwardMostMove; m>k; m-=2) {
8063 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8064 ourPerpetual = 0; // the current mover did not always check
8065 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8066 hisPerpetual = 0; // the opponent did not always check
8068 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8069 ourPerpetual, hisPerpetual);
8070 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8071 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8072 details = "Xboard adjudication: perpetual checking";
8074 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8075 break; // (or we would have caught him before). Abort repetition-checking loop.
8077 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8078 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8080 details = "Xboard adjudication: repetition";
8082 } else // it must be XQ
8083 // Now check for perpetual chases
8084 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8085 hisPerpetual = PerpetualChase(k, forwardMostMove);
8086 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8087 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8088 static char resdet[MSG_SIZ];
8089 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8091 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8093 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8094 break; // Abort repetition-checking loop.
8096 // if neither of us is checking or chasing all the time, or both are, it is draw
8098 if(engineOpponent) {
8099 SendToProgram("force\n", engineOpponent); // suppress reply
8100 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8102 GameEnds( result, details, GE_XBOARD );
8105 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8106 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8110 /* Now we test for 50-move draws. Determine ply count */
8111 count = forwardMostMove;
8112 /* look for last irreversble move */
8113 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8115 /* if we hit starting position, add initial plies */
8116 if( count == backwardMostMove )
8117 count -= initialRulePlies;
8118 count = forwardMostMove - count;
8119 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8120 // adjust reversible move counter for checks in Xiangqi
8121 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8122 if(i < backwardMostMove) i = backwardMostMove;
8123 while(i <= forwardMostMove) {
8124 lastCheck = inCheck; // check evasion does not count
8125 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8126 if(inCheck || lastCheck) count--; // check does not count
8131 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8132 /* this is used to judge if draw claims are legal */
8133 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8134 if(engineOpponent) {
8135 SendToProgram("force\n", engineOpponent); // suppress reply
8136 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8138 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8142 /* if draw offer is pending, treat it as a draw claim
8143 * when draw condition present, to allow engines a way to
8144 * claim draws before making their move to avoid a race
8145 * condition occurring after their move
8147 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8149 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8150 p = "Draw claim: 50-move rule";
8151 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8152 p = "Draw claim: 3-fold repetition";
8153 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8154 p = "Draw claim: insufficient mating material";
8155 if( p != NULL && canAdjudicate) {
8156 if(engineOpponent) {
8157 SendToProgram("force\n", engineOpponent); // suppress reply
8158 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8160 GameEnds( GameIsDrawn, p, GE_XBOARD );
8165 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8166 if(engineOpponent) {
8167 SendToProgram("force\n", engineOpponent); // suppress reply
8168 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8170 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8177 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8178 { // [HGM] book: this routine intercepts moves to simulate book replies
8179 char *bookHit = NULL;
8181 //first determine if the incoming move brings opponent into his book
8182 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8183 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8184 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8185 if(bookHit != NULL && !cps->bookSuspend) {
8186 // make sure opponent is not going to reply after receiving move to book position
8187 SendToProgram("force\n", cps);
8188 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8190 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8191 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8192 // now arrange restart after book miss
8194 // after a book hit we never send 'go', and the code after the call to this routine
8195 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8196 char buf[MSG_SIZ], *move = bookHit;
8198 int fromX, fromY, toX, toY;
8202 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8203 &fromX, &fromY, &toX, &toY, &promoChar)) {
8204 (void) CoordsToAlgebraic(boards[forwardMostMove],
8205 PosFlags(forwardMostMove),
8206 fromY, fromX, toY, toX, promoChar, move);
8208 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8212 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8213 SendToProgram(buf, cps);
8214 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8215 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8216 SendToProgram("go\n", cps);
8217 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8218 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8219 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8220 SendToProgram("go\n", cps);
8221 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8223 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8227 LoadError (char *errmess, ChessProgramState *cps)
8228 { // unloads engine and switches back to -ncp mode if it was first
8229 if(cps->initDone) return FALSE;
8230 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8231 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8234 appData.noChessProgram = TRUE;
8235 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8236 gameMode = BeginningOfGame; ModeHighlight();
8239 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8240 DisplayMessage("", ""); // erase waiting message
8241 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8246 ChessProgramState *savedState;
8248 DeferredBookMove (void)
8250 if(savedState->lastPing != savedState->lastPong)
8251 ScheduleDelayedEvent(DeferredBookMove, 10);
8253 HandleMachineMove(savedMessage, savedState);
8256 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8257 static ChessProgramState *stalledEngine;
8258 static char stashedInputMove[MSG_SIZ];
8261 HandleMachineMove (char *message, ChessProgramState *cps)
8263 static char firstLeg[20];
8264 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8265 char realname[MSG_SIZ];
8266 int fromX, fromY, toX, toY;
8270 int machineWhite, oldError;
8273 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8274 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8275 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8276 DisplayError(_("Invalid pairing from pairing engine"), 0);
8279 pairingReceived = 1;
8281 return; // Skim the pairing messages here.
8284 oldError = cps->userError; cps->userError = 0;
8286 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8288 * Kludge to ignore BEL characters
8290 while (*message == '\007') message++;
8293 * [HGM] engine debug message: ignore lines starting with '#' character
8295 if(cps->debug && *message == '#') return;
8298 * Look for book output
8300 if (cps == &first && bookRequested) {
8301 if (message[0] == '\t' || message[0] == ' ') {
8302 /* Part of the book output is here; append it */
8303 strcat(bookOutput, message);
8304 strcat(bookOutput, " \n");
8306 } else if (bookOutput[0] != NULLCHAR) {
8307 /* All of book output has arrived; display it */
8308 char *p = bookOutput;
8309 while (*p != NULLCHAR) {
8310 if (*p == '\t') *p = ' ';
8313 DisplayInformation(bookOutput);
8314 bookRequested = FALSE;
8315 /* Fall through to parse the current output */
8320 * Look for machine move.
8322 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8323 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8325 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8326 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8327 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8328 stalledEngine = cps;
8329 if(appData.ponderNextMove) { // bring opponent out of ponder
8330 if(gameMode == TwoMachinesPlay) {
8331 if(cps->other->pause)
8332 PauseEngine(cps->other);
8334 SendToProgram("easy\n", cps->other);
8341 /* This method is only useful on engines that support ping */
8342 if (cps->lastPing != cps->lastPong) {
8343 if (gameMode == BeginningOfGame) {
8344 /* Extra move from before last new; ignore */
8345 if (appData.debugMode) {
8346 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8349 if (appData.debugMode) {
8350 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8351 cps->which, gameMode);
8354 SendToProgram("undo\n", cps);
8360 case BeginningOfGame:
8361 /* Extra move from before last reset; ignore */
8362 if (appData.debugMode) {
8363 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8370 /* Extra move after we tried to stop. The mode test is
8371 not a reliable way of detecting this problem, but it's
8372 the best we can do on engines that don't support ping.
8374 if (appData.debugMode) {
8375 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8376 cps->which, gameMode);
8378 SendToProgram("undo\n", cps);
8381 case MachinePlaysWhite:
8382 case IcsPlayingWhite:
8383 machineWhite = TRUE;
8386 case MachinePlaysBlack:
8387 case IcsPlayingBlack:
8388 machineWhite = FALSE;
8391 case TwoMachinesPlay:
8392 machineWhite = (cps->twoMachinesColor[0] == 'w');
8395 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8396 if (appData.debugMode) {
8398 "Ignoring move out of turn by %s, gameMode %d"
8399 ", forwardMost %d\n",
8400 cps->which, gameMode, forwardMostMove);
8405 if(cps->alphaRank) AlphaRank(machineMove, 4);
8407 // [HGM] lion: (some very limited) support for Alien protocol
8409 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8410 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8412 } else if(firstLeg[0]) { // there was a previous leg;
8413 // only support case where same piece makes two step (and don't even test that!)
8414 char buf[20], *p = machineMove+1, *q = buf+1, f;
8415 safeStrCpy(buf, machineMove, 20);
8416 while(isdigit(*q)) q++; // find start of to-square
8417 safeStrCpy(machineMove, firstLeg, 20);
8418 while(isdigit(*p)) p++;
8419 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8420 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8421 firstLeg[0] = NULLCHAR;
8424 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8425 &fromX, &fromY, &toX, &toY, &promoChar)) {
8426 /* Machine move could not be parsed; ignore it. */
8427 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8428 machineMove, _(cps->which));
8429 DisplayMoveError(buf1);
8430 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8431 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8432 if (gameMode == TwoMachinesPlay) {
8433 GameEnds(machineWhite ? BlackWins : WhiteWins,
8439 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8440 /* So we have to redo legality test with true e.p. status here, */
8441 /* to make sure an illegal e.p. capture does not slip through, */
8442 /* to cause a forfeit on a justified illegal-move complaint */
8443 /* of the opponent. */
8444 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8446 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8447 fromY, fromX, toY, toX, promoChar);
8448 if(moveType == IllegalMove) {
8449 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8450 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8451 GameEnds(machineWhite ? BlackWins : WhiteWins,
8454 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8455 /* [HGM] Kludge to handle engines that send FRC-style castling
8456 when they shouldn't (like TSCP-Gothic) */
8458 case WhiteASideCastleFR:
8459 case BlackASideCastleFR:
8461 currentMoveString[2]++;
8463 case WhiteHSideCastleFR:
8464 case BlackHSideCastleFR:
8466 currentMoveString[2]--;
8468 default: ; // nothing to do, but suppresses warning of pedantic compilers
8471 hintRequested = FALSE;
8472 lastHint[0] = NULLCHAR;
8473 bookRequested = FALSE;
8474 /* Program may be pondering now */
8475 cps->maybeThinking = TRUE;
8476 if (cps->sendTime == 2) cps->sendTime = 1;
8477 if (cps->offeredDraw) cps->offeredDraw--;
8479 /* [AS] Save move info*/
8480 pvInfoList[ forwardMostMove ].score = programStats.score;
8481 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8482 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8484 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8486 /* Test suites abort the 'game' after one move */
8487 if(*appData.finger) {
8489 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8490 if(!f) f = fopen(appData.finger, "w");
8491 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8492 else { DisplayFatalError("Bad output file", errno, 0); return; }
8494 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8497 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8498 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8501 while( count < adjudicateLossPlies ) {
8502 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8505 score = -score; /* Flip score for winning side */
8508 if( score > adjudicateLossThreshold ) {
8515 if( count >= adjudicateLossPlies ) {
8516 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8518 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8519 "Xboard adjudication",
8526 if(Adjudicate(cps)) {
8527 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8528 return; // [HGM] adjudicate: for all automatic game ends
8532 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8534 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8535 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8537 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8539 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8541 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8542 char buf[3*MSG_SIZ];
8544 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8545 programStats.score / 100.,
8547 programStats.time / 100.,
8548 (unsigned int)programStats.nodes,
8549 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8550 programStats.movelist);
8552 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8557 /* [AS] Clear stats for next move */
8558 ClearProgramStats();
8559 thinkOutput[0] = NULLCHAR;
8560 hiddenThinkOutputState = 0;
8563 if (gameMode == TwoMachinesPlay) {
8564 /* [HGM] relaying draw offers moved to after reception of move */
8565 /* and interpreting offer as claim if it brings draw condition */
8566 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8567 SendToProgram("draw\n", cps->other);
8569 if (cps->other->sendTime) {
8570 SendTimeRemaining(cps->other,
8571 cps->other->twoMachinesColor[0] == 'w');
8573 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8574 if (firstMove && !bookHit) {
8576 if (cps->other->useColors) {
8577 SendToProgram(cps->other->twoMachinesColor, cps->other);
8579 SendToProgram("go\n", cps->other);
8581 cps->other->maybeThinking = TRUE;
8584 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8586 if (!pausing && appData.ringBellAfterMoves) {
8591 * Reenable menu items that were disabled while
8592 * machine was thinking
8594 if (gameMode != TwoMachinesPlay)
8595 SetUserThinkingEnables();
8597 // [HGM] book: after book hit opponent has received move and is now in force mode
8598 // force the book reply into it, and then fake that it outputted this move by jumping
8599 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8601 static char bookMove[MSG_SIZ]; // a bit generous?
8603 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8604 strcat(bookMove, bookHit);
8607 programStats.nodes = programStats.depth = programStats.time =
8608 programStats.score = programStats.got_only_move = 0;
8609 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8611 if(cps->lastPing != cps->lastPong) {
8612 savedMessage = message; // args for deferred call
8614 ScheduleDelayedEvent(DeferredBookMove, 10);
8623 /* Set special modes for chess engines. Later something general
8624 * could be added here; for now there is just one kludge feature,
8625 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8626 * when "xboard" is given as an interactive command.
8628 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8629 cps->useSigint = FALSE;
8630 cps->useSigterm = FALSE;
8632 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8633 ParseFeatures(message+8, cps);
8634 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8637 if (!strncmp(message, "setup ", 6) &&
8638 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown || NonStandardBoardSize())
8639 ) { // [HGM] allow first engine to define opening position
8640 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8641 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8643 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8644 if(startedFromSetupPosition) return;
8645 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8647 while(message[s] && message[s++] != ' ');
8648 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8649 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8650 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8651 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8652 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8653 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8656 ParseFEN(boards[0], &dummy, message+s, FALSE);
8657 DrawPosition(TRUE, boards[0]);
8658 startedFromSetupPosition = TRUE;
8661 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8662 * want this, I was asked to put it in, and obliged.
8664 if (!strncmp(message, "setboard ", 9)) {
8665 Board initial_position;
8667 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8669 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8670 DisplayError(_("Bad FEN received from engine"), 0);
8674 CopyBoard(boards[0], initial_position);
8675 initialRulePlies = FENrulePlies;
8676 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8677 else gameMode = MachinePlaysBlack;
8678 DrawPosition(FALSE, boards[currentMove]);
8684 * Look for communication commands
8686 if (!strncmp(message, "telluser ", 9)) {
8687 if(message[9] == '\\' && message[10] == '\\')
8688 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8690 DisplayNote(message + 9);
8693 if (!strncmp(message, "tellusererror ", 14)) {
8695 if(message[14] == '\\' && message[15] == '\\')
8696 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8698 DisplayError(message + 14, 0);
8701 if (!strncmp(message, "tellopponent ", 13)) {
8702 if (appData.icsActive) {
8704 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8708 DisplayNote(message + 13);
8712 if (!strncmp(message, "tellothers ", 11)) {
8713 if (appData.icsActive) {
8715 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8718 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8721 if (!strncmp(message, "tellall ", 8)) {
8722 if (appData.icsActive) {
8724 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8728 DisplayNote(message + 8);
8732 if (strncmp(message, "warning", 7) == 0) {
8733 /* Undocumented feature, use tellusererror in new code */
8734 DisplayError(message, 0);
8737 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8738 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8739 strcat(realname, " query");
8740 AskQuestion(realname, buf2, buf1, cps->pr);
8743 /* Commands from the engine directly to ICS. We don't allow these to be
8744 * sent until we are logged on. Crafty kibitzes have been known to
8745 * interfere with the login process.
8748 if (!strncmp(message, "tellics ", 8)) {
8749 SendToICS(message + 8);
8753 if (!strncmp(message, "tellicsnoalias ", 15)) {
8754 SendToICS(ics_prefix);
8755 SendToICS(message + 15);
8759 /* The following are for backward compatibility only */
8760 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8761 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8762 SendToICS(ics_prefix);
8768 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8771 if(!strncmp(message, "highlight ", 10)) {
8772 if(appData.testLegality && appData.markers) return;
8773 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8776 if(!strncmp(message, "click ", 6)) {
8777 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
8778 if(appData.testLegality || !appData.oneClick) return;
8779 sscanf(message+6, "%c%d%c", &f, &y, &c);
8780 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
8781 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
8782 x = x*squareSize + (x+1)*lineGap + squareSize/2;
8783 y = y*squareSize + (y+1)*lineGap + squareSize/2;
8784 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
8785 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
8786 LeftClick(Release, lastLeftX, lastLeftY);
8787 controlKey = (c == ',');
8788 LeftClick(Press, x, y);
8789 LeftClick(Release, x, y);
8790 first.highlight = f;
8794 * If the move is illegal, cancel it and redraw the board.
8795 * Also deal with other error cases. Matching is rather loose
8796 * here to accommodate engines written before the spec.
8798 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8799 strncmp(message, "Error", 5) == 0) {
8800 if (StrStr(message, "name") ||
8801 StrStr(message, "rating") || StrStr(message, "?") ||
8802 StrStr(message, "result") || StrStr(message, "board") ||
8803 StrStr(message, "bk") || StrStr(message, "computer") ||
8804 StrStr(message, "variant") || StrStr(message, "hint") ||
8805 StrStr(message, "random") || StrStr(message, "depth") ||
8806 StrStr(message, "accepted")) {
8809 if (StrStr(message, "protover")) {
8810 /* Program is responding to input, so it's apparently done
8811 initializing, and this error message indicates it is
8812 protocol version 1. So we don't need to wait any longer
8813 for it to initialize and send feature commands. */
8814 FeatureDone(cps, 1);
8815 cps->protocolVersion = 1;
8818 cps->maybeThinking = FALSE;
8820 if (StrStr(message, "draw")) {
8821 /* Program doesn't have "draw" command */
8822 cps->sendDrawOffers = 0;
8825 if (cps->sendTime != 1 &&
8826 (StrStr(message, "time") || StrStr(message, "otim"))) {
8827 /* Program apparently doesn't have "time" or "otim" command */
8831 if (StrStr(message, "analyze")) {
8832 cps->analysisSupport = FALSE;
8833 cps->analyzing = FALSE;
8834 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8835 EditGameEvent(); // [HGM] try to preserve loaded game
8836 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8837 DisplayError(buf2, 0);
8840 if (StrStr(message, "(no matching move)st")) {
8841 /* Special kludge for GNU Chess 4 only */
8842 cps->stKludge = TRUE;
8843 SendTimeControl(cps, movesPerSession, timeControl,
8844 timeIncrement, appData.searchDepth,
8848 if (StrStr(message, "(no matching move)sd")) {
8849 /* Special kludge for GNU Chess 4 only */
8850 cps->sdKludge = TRUE;
8851 SendTimeControl(cps, movesPerSession, timeControl,
8852 timeIncrement, appData.searchDepth,
8856 if (!StrStr(message, "llegal")) {
8859 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8860 gameMode == IcsIdle) return;
8861 if (forwardMostMove <= backwardMostMove) return;
8862 if (pausing) PauseEvent();
8863 if(appData.forceIllegal) {
8864 // [HGM] illegal: machine refused move; force position after move into it
8865 SendToProgram("force\n", cps);
8866 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8867 // we have a real problem now, as SendBoard will use the a2a3 kludge
8868 // when black is to move, while there might be nothing on a2 or black
8869 // might already have the move. So send the board as if white has the move.
8870 // But first we must change the stm of the engine, as it refused the last move
8871 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8872 if(WhiteOnMove(forwardMostMove)) {
8873 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8874 SendBoard(cps, forwardMostMove); // kludgeless board
8876 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8877 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8878 SendBoard(cps, forwardMostMove+1); // kludgeless board
8880 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8881 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8882 gameMode == TwoMachinesPlay)
8883 SendToProgram("go\n", cps);
8886 if (gameMode == PlayFromGameFile) {
8887 /* Stop reading this game file */
8888 gameMode = EditGame;
8891 /* [HGM] illegal-move claim should forfeit game when Xboard */
8892 /* only passes fully legal moves */
8893 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8894 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8895 "False illegal-move claim", GE_XBOARD );
8896 return; // do not take back move we tested as valid
8898 currentMove = forwardMostMove-1;
8899 DisplayMove(currentMove-1); /* before DisplayMoveError */
8900 SwitchClocks(forwardMostMove-1); // [HGM] race
8901 DisplayBothClocks();
8902 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8903 parseList[currentMove], _(cps->which));
8904 DisplayMoveError(buf1);
8905 DrawPosition(FALSE, boards[currentMove]);
8907 SetUserThinkingEnables();
8910 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8911 /* Program has a broken "time" command that
8912 outputs a string not ending in newline.
8918 * If chess program startup fails, exit with an error message.
8919 * Attempts to recover here are futile. [HGM] Well, we try anyway
8921 if ((StrStr(message, "unknown host") != NULL)
8922 || (StrStr(message, "No remote directory") != NULL)
8923 || (StrStr(message, "not found") != NULL)
8924 || (StrStr(message, "No such file") != NULL)
8925 || (StrStr(message, "can't alloc") != NULL)
8926 || (StrStr(message, "Permission denied") != NULL)) {
8928 cps->maybeThinking = FALSE;
8929 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8930 _(cps->which), cps->program, cps->host, message);
8931 RemoveInputSource(cps->isr);
8932 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8933 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8934 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8940 * Look for hint output
8942 if (sscanf(message, "Hint: %s", buf1) == 1) {
8943 if (cps == &first && hintRequested) {
8944 hintRequested = FALSE;
8945 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8946 &fromX, &fromY, &toX, &toY, &promoChar)) {
8947 (void) CoordsToAlgebraic(boards[forwardMostMove],
8948 PosFlags(forwardMostMove),
8949 fromY, fromX, toY, toX, promoChar, buf1);
8950 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8951 DisplayInformation(buf2);
8953 /* Hint move could not be parsed!? */
8954 snprintf(buf2, sizeof(buf2),
8955 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8956 buf1, _(cps->which));
8957 DisplayError(buf2, 0);
8960 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8966 * Ignore other messages if game is not in progress
8968 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8969 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8972 * look for win, lose, draw, or draw offer
8974 if (strncmp(message, "1-0", 3) == 0) {
8975 char *p, *q, *r = "";
8976 p = strchr(message, '{');
8984 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8986 } else if (strncmp(message, "0-1", 3) == 0) {
8987 char *p, *q, *r = "";
8988 p = strchr(message, '{');
8996 /* Kludge for Arasan 4.1 bug */
8997 if (strcmp(r, "Black resigns") == 0) {
8998 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9001 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9003 } else if (strncmp(message, "1/2", 3) == 0) {
9004 char *p, *q, *r = "";
9005 p = strchr(message, '{');
9014 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9017 } else if (strncmp(message, "White resign", 12) == 0) {
9018 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9020 } else if (strncmp(message, "Black resign", 12) == 0) {
9021 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9023 } else if (strncmp(message, "White matches", 13) == 0 ||
9024 strncmp(message, "Black matches", 13) == 0 ) {
9025 /* [HGM] ignore GNUShogi noises */
9027 } else if (strncmp(message, "White", 5) == 0 &&
9028 message[5] != '(' &&
9029 StrStr(message, "Black") == NULL) {
9030 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9032 } else if (strncmp(message, "Black", 5) == 0 &&
9033 message[5] != '(') {
9034 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9036 } else if (strcmp(message, "resign") == 0 ||
9037 strcmp(message, "computer resigns") == 0) {
9039 case MachinePlaysBlack:
9040 case IcsPlayingBlack:
9041 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9043 case MachinePlaysWhite:
9044 case IcsPlayingWhite:
9045 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9047 case TwoMachinesPlay:
9048 if (cps->twoMachinesColor[0] == 'w')
9049 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9051 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9058 } else if (strncmp(message, "opponent mates", 14) == 0) {
9060 case MachinePlaysBlack:
9061 case IcsPlayingBlack:
9062 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9064 case MachinePlaysWhite:
9065 case IcsPlayingWhite:
9066 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9068 case TwoMachinesPlay:
9069 if (cps->twoMachinesColor[0] == 'w')
9070 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9072 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9079 } else if (strncmp(message, "computer mates", 14) == 0) {
9081 case MachinePlaysBlack:
9082 case IcsPlayingBlack:
9083 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9085 case MachinePlaysWhite:
9086 case IcsPlayingWhite:
9087 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9089 case TwoMachinesPlay:
9090 if (cps->twoMachinesColor[0] == 'w')
9091 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9093 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9100 } else if (strncmp(message, "checkmate", 9) == 0) {
9101 if (WhiteOnMove(forwardMostMove)) {
9102 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9104 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9107 } else if (strstr(message, "Draw") != NULL ||
9108 strstr(message, "game is a draw") != NULL) {
9109 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9111 } else if (strstr(message, "offer") != NULL &&
9112 strstr(message, "draw") != NULL) {
9114 if (appData.zippyPlay && first.initDone) {
9115 /* Relay offer to ICS */
9116 SendToICS(ics_prefix);
9117 SendToICS("draw\n");
9120 cps->offeredDraw = 2; /* valid until this engine moves twice */
9121 if (gameMode == TwoMachinesPlay) {
9122 if (cps->other->offeredDraw) {
9123 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9124 /* [HGM] in two-machine mode we delay relaying draw offer */
9125 /* until after we also have move, to see if it is really claim */
9127 } else if (gameMode == MachinePlaysWhite ||
9128 gameMode == MachinePlaysBlack) {
9129 if (userOfferedDraw) {
9130 DisplayInformation(_("Machine accepts your draw offer"));
9131 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9133 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9140 * Look for thinking output
9142 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9143 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9145 int plylev, mvleft, mvtot, curscore, time;
9146 char mvname[MOVE_LEN];
9150 int prefixHint = FALSE;
9151 mvname[0] = NULLCHAR;
9154 case MachinePlaysBlack:
9155 case IcsPlayingBlack:
9156 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9158 case MachinePlaysWhite:
9159 case IcsPlayingWhite:
9160 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9165 case IcsObserving: /* [DM] icsEngineAnalyze */
9166 if (!appData.icsEngineAnalyze) ignore = TRUE;
9168 case TwoMachinesPlay:
9169 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9179 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9181 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9182 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9184 if (plyext != ' ' && plyext != '\t') {
9188 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9189 if( cps->scoreIsAbsolute &&
9190 ( gameMode == MachinePlaysBlack ||
9191 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9192 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9193 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9194 !WhiteOnMove(currentMove)
9197 curscore = -curscore;
9200 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9202 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9205 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9206 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9207 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9208 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9209 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9210 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9214 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9215 DisplayError(_("failed writing PV"), 0);
9218 tempStats.depth = plylev;
9219 tempStats.nodes = nodes;
9220 tempStats.time = time;
9221 tempStats.score = curscore;
9222 tempStats.got_only_move = 0;
9224 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9227 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9228 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9229 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9230 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9231 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9232 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9233 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9234 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9237 /* Buffer overflow protection */
9238 if (pv[0] != NULLCHAR) {
9239 if (strlen(pv) >= sizeof(tempStats.movelist)
9240 && appData.debugMode) {
9242 "PV is too long; using the first %u bytes.\n",
9243 (unsigned) sizeof(tempStats.movelist) - 1);
9246 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9248 sprintf(tempStats.movelist, " no PV\n");
9251 if (tempStats.seen_stat) {
9252 tempStats.ok_to_send = 1;
9255 if (strchr(tempStats.movelist, '(') != NULL) {
9256 tempStats.line_is_book = 1;
9257 tempStats.nr_moves = 0;
9258 tempStats.moves_left = 0;
9260 tempStats.line_is_book = 0;
9263 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9264 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9266 SendProgramStatsToFrontend( cps, &tempStats );
9269 [AS] Protect the thinkOutput buffer from overflow... this
9270 is only useful if buf1 hasn't overflowed first!
9272 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9274 (gameMode == TwoMachinesPlay ?
9275 ToUpper(cps->twoMachinesColor[0]) : ' '),
9276 ((double) curscore) / 100.0,
9277 prefixHint ? lastHint : "",
9278 prefixHint ? " " : "" );
9280 if( buf1[0] != NULLCHAR ) {
9281 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9283 if( strlen(pv) > max_len ) {
9284 if( appData.debugMode) {
9285 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9287 pv[max_len+1] = '\0';
9290 strcat( thinkOutput, pv);
9293 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9294 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9295 DisplayMove(currentMove - 1);
9299 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9300 /* crafty (9.25+) says "(only move) <move>"
9301 * if there is only 1 legal move
9303 sscanf(p, "(only move) %s", buf1);
9304 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9305 sprintf(programStats.movelist, "%s (only move)", buf1);
9306 programStats.depth = 1;
9307 programStats.nr_moves = 1;
9308 programStats.moves_left = 1;
9309 programStats.nodes = 1;
9310 programStats.time = 1;
9311 programStats.got_only_move = 1;
9313 /* Not really, but we also use this member to
9314 mean "line isn't going to change" (Crafty
9315 isn't searching, so stats won't change) */
9316 programStats.line_is_book = 1;
9318 SendProgramStatsToFrontend( cps, &programStats );
9320 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9321 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9322 DisplayMove(currentMove - 1);
9325 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9326 &time, &nodes, &plylev, &mvleft,
9327 &mvtot, mvname) >= 5) {
9328 /* The stat01: line is from Crafty (9.29+) in response
9329 to the "." command */
9330 programStats.seen_stat = 1;
9331 cps->maybeThinking = TRUE;
9333 if (programStats.got_only_move || !appData.periodicUpdates)
9336 programStats.depth = plylev;
9337 programStats.time = time;
9338 programStats.nodes = nodes;
9339 programStats.moves_left = mvleft;
9340 programStats.nr_moves = mvtot;
9341 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9342 programStats.ok_to_send = 1;
9343 programStats.movelist[0] = '\0';
9345 SendProgramStatsToFrontend( cps, &programStats );
9349 } else if (strncmp(message,"++",2) == 0) {
9350 /* Crafty 9.29+ outputs this */
9351 programStats.got_fail = 2;
9354 } else if (strncmp(message,"--",2) == 0) {
9355 /* Crafty 9.29+ outputs this */
9356 programStats.got_fail = 1;
9359 } else if (thinkOutput[0] != NULLCHAR &&
9360 strncmp(message, " ", 4) == 0) {
9361 unsigned message_len;
9364 while (*p && *p == ' ') p++;
9366 message_len = strlen( p );
9368 /* [AS] Avoid buffer overflow */
9369 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9370 strcat(thinkOutput, " ");
9371 strcat(thinkOutput, p);
9374 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9375 strcat(programStats.movelist, " ");
9376 strcat(programStats.movelist, p);
9379 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9380 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9381 DisplayMove(currentMove - 1);
9389 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9390 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9392 ChessProgramStats cpstats;
9394 if (plyext != ' ' && plyext != '\t') {
9398 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9399 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9400 curscore = -curscore;
9403 cpstats.depth = plylev;
9404 cpstats.nodes = nodes;
9405 cpstats.time = time;
9406 cpstats.score = curscore;
9407 cpstats.got_only_move = 0;
9408 cpstats.movelist[0] = '\0';
9410 if (buf1[0] != NULLCHAR) {
9411 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9414 cpstats.ok_to_send = 0;
9415 cpstats.line_is_book = 0;
9416 cpstats.nr_moves = 0;
9417 cpstats.moves_left = 0;
9419 SendProgramStatsToFrontend( cps, &cpstats );
9426 /* Parse a game score from the character string "game", and
9427 record it as the history of the current game. The game
9428 score is NOT assumed to start from the standard position.
9429 The display is not updated in any way.
9432 ParseGameHistory (char *game)
9435 int fromX, fromY, toX, toY, boardIndex;
9440 if (appData.debugMode)
9441 fprintf(debugFP, "Parsing game history: %s\n", game);
9443 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9444 gameInfo.site = StrSave(appData.icsHost);
9445 gameInfo.date = PGNDate();
9446 gameInfo.round = StrSave("-");
9448 /* Parse out names of players */
9449 while (*game == ' ') game++;
9451 while (*game != ' ') *p++ = *game++;
9453 gameInfo.white = StrSave(buf);
9454 while (*game == ' ') game++;
9456 while (*game != ' ' && *game != '\n') *p++ = *game++;
9458 gameInfo.black = StrSave(buf);
9461 boardIndex = blackPlaysFirst ? 1 : 0;
9464 yyboardindex = boardIndex;
9465 moveType = (ChessMove) Myylex();
9467 case IllegalMove: /* maybe suicide chess, etc. */
9468 if (appData.debugMode) {
9469 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9470 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9471 setbuf(debugFP, NULL);
9473 case WhitePromotion:
9474 case BlackPromotion:
9475 case WhiteNonPromotion:
9476 case BlackNonPromotion:
9478 case WhiteCapturesEnPassant:
9479 case BlackCapturesEnPassant:
9480 case WhiteKingSideCastle:
9481 case WhiteQueenSideCastle:
9482 case BlackKingSideCastle:
9483 case BlackQueenSideCastle:
9484 case WhiteKingSideCastleWild:
9485 case WhiteQueenSideCastleWild:
9486 case BlackKingSideCastleWild:
9487 case BlackQueenSideCastleWild:
9489 case WhiteHSideCastleFR:
9490 case WhiteASideCastleFR:
9491 case BlackHSideCastleFR:
9492 case BlackASideCastleFR:
9494 fromX = currentMoveString[0] - AAA;
9495 fromY = currentMoveString[1] - ONE;
9496 toX = currentMoveString[2] - AAA;
9497 toY = currentMoveString[3] - ONE;
9498 promoChar = currentMoveString[4];
9502 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9503 fromX = moveType == WhiteDrop ?
9504 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9505 (int) CharToPiece(ToLower(currentMoveString[0]));
9507 toX = currentMoveString[2] - AAA;
9508 toY = currentMoveString[3] - ONE;
9509 promoChar = NULLCHAR;
9513 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9514 if (appData.debugMode) {
9515 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9516 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9517 setbuf(debugFP, NULL);
9519 DisplayError(buf, 0);
9521 case ImpossibleMove:
9523 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9524 if (appData.debugMode) {
9525 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9526 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9527 setbuf(debugFP, NULL);
9529 DisplayError(buf, 0);
9532 if (boardIndex < backwardMostMove) {
9533 /* Oops, gap. How did that happen? */
9534 DisplayError(_("Gap in move list"), 0);
9537 backwardMostMove = blackPlaysFirst ? 1 : 0;
9538 if (boardIndex > forwardMostMove) {
9539 forwardMostMove = boardIndex;
9543 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9544 strcat(parseList[boardIndex-1], " ");
9545 strcat(parseList[boardIndex-1], yy_text);
9557 case GameUnfinished:
9558 if (gameMode == IcsExamining) {
9559 if (boardIndex < backwardMostMove) {
9560 /* Oops, gap. How did that happen? */
9563 backwardMostMove = blackPlaysFirst ? 1 : 0;
9566 gameInfo.result = moveType;
9567 p = strchr(yy_text, '{');
9568 if (p == NULL) p = strchr(yy_text, '(');
9571 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9573 q = strchr(p, *p == '{' ? '}' : ')');
9574 if (q != NULL) *q = NULLCHAR;
9577 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9578 gameInfo.resultDetails = StrSave(p);
9581 if (boardIndex >= forwardMostMove &&
9582 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9583 backwardMostMove = blackPlaysFirst ? 1 : 0;
9586 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9587 fromY, fromX, toY, toX, promoChar,
9588 parseList[boardIndex]);
9589 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9590 /* currentMoveString is set as a side-effect of yylex */
9591 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9592 strcat(moveList[boardIndex], "\n");
9594 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9595 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9601 if(gameInfo.variant != VariantShogi)
9602 strcat(parseList[boardIndex - 1], "+");
9606 strcat(parseList[boardIndex - 1], "#");
9613 /* Apply a move to the given board */
9615 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9617 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9618 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9620 /* [HGM] compute & store e.p. status and castling rights for new position */
9621 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9623 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9624 oldEP = (signed char)board[EP_STATUS];
9625 board[EP_STATUS] = EP_NONE;
9627 if (fromY == DROP_RANK) {
9629 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9630 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9633 piece = board[toY][toX] = (ChessSquare) fromX;
9637 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9638 board[killY][killX] = EmptySquare,
9639 board[EP_STATUS] = EP_CAPTURE;
9641 if( board[toY][toX] != EmptySquare )
9642 board[EP_STATUS] = EP_CAPTURE;
9644 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9645 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9646 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9648 if( board[fromY][fromX] == WhitePawn ) {
9649 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9650 board[EP_STATUS] = EP_PAWN_MOVE;
9652 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9653 gameInfo.variant != VariantBerolina || toX < fromX)
9654 board[EP_STATUS] = toX | berolina;
9655 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9656 gameInfo.variant != VariantBerolina || toX > fromX)
9657 board[EP_STATUS] = toX;
9660 if( board[fromY][fromX] == BlackPawn ) {
9661 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9662 board[EP_STATUS] = EP_PAWN_MOVE;
9663 if( toY-fromY== -2) {
9664 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9665 gameInfo.variant != VariantBerolina || toX < fromX)
9666 board[EP_STATUS] = toX | berolina;
9667 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9668 gameInfo.variant != VariantBerolina || toX > fromX)
9669 board[EP_STATUS] = toX;
9673 for(i=0; i<nrCastlingRights; i++) {
9674 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9675 board[CASTLING][i] == toX && castlingRank[i] == toY
9676 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9679 if(gameInfo.variant == VariantSChess) { // update virginity
9680 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9681 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9682 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9683 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9686 if (fromX == toX && fromY == toY) return;
9688 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9689 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9690 if(gameInfo.variant == VariantKnightmate)
9691 king += (int) WhiteUnicorn - (int) WhiteKing;
9693 /* Code added by Tord: */
9694 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9695 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9696 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9697 board[fromY][fromX] = EmptySquare;
9698 board[toY][toX] = EmptySquare;
9699 if((toX > fromX) != (piece == WhiteRook)) {
9700 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9702 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9704 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9705 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9706 board[fromY][fromX] = EmptySquare;
9707 board[toY][toX] = EmptySquare;
9708 if((toX > fromX) != (piece == BlackRook)) {
9709 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9711 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9713 /* End of code added by Tord */
9715 } else if (board[fromY][fromX] == king
9716 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9717 && toY == fromY && toX > fromX+1) {
9718 board[fromY][fromX] = EmptySquare;
9719 board[toY][toX] = king;
9720 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9721 board[fromY][BOARD_RGHT-1] = EmptySquare;
9722 } else if (board[fromY][fromX] == king
9723 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9724 && toY == fromY && toX < fromX-1) {
9725 board[fromY][fromX] = EmptySquare;
9726 board[toY][toX] = king;
9727 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9728 board[fromY][BOARD_LEFT] = EmptySquare;
9729 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9730 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9731 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9733 /* white pawn promotion */
9734 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9735 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9736 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9737 board[fromY][fromX] = EmptySquare;
9738 } else if ((fromY >= BOARD_HEIGHT>>1)
9739 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9741 && gameInfo.variant != VariantXiangqi
9742 && gameInfo.variant != VariantBerolina
9743 && (board[fromY][fromX] == WhitePawn)
9744 && (board[toY][toX] == EmptySquare)) {
9745 board[fromY][fromX] = EmptySquare;
9746 board[toY][toX] = WhitePawn;
9747 captured = board[toY - 1][toX];
9748 board[toY - 1][toX] = EmptySquare;
9749 } else if ((fromY == BOARD_HEIGHT-4)
9751 && gameInfo.variant == VariantBerolina
9752 && (board[fromY][fromX] == WhitePawn)
9753 && (board[toY][toX] == EmptySquare)) {
9754 board[fromY][fromX] = EmptySquare;
9755 board[toY][toX] = WhitePawn;
9756 if(oldEP & EP_BEROLIN_A) {
9757 captured = board[fromY][fromX-1];
9758 board[fromY][fromX-1] = EmptySquare;
9759 }else{ captured = board[fromY][fromX+1];
9760 board[fromY][fromX+1] = EmptySquare;
9762 } else if (board[fromY][fromX] == king
9763 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9764 && toY == fromY && toX > fromX+1) {
9765 board[fromY][fromX] = EmptySquare;
9766 board[toY][toX] = king;
9767 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9768 board[fromY][BOARD_RGHT-1] = EmptySquare;
9769 } else if (board[fromY][fromX] == king
9770 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9771 && toY == fromY && toX < fromX-1) {
9772 board[fromY][fromX] = EmptySquare;
9773 board[toY][toX] = king;
9774 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9775 board[fromY][BOARD_LEFT] = EmptySquare;
9776 } else if (fromY == 7 && fromX == 3
9777 && board[fromY][fromX] == BlackKing
9778 && toY == 7 && toX == 5) {
9779 board[fromY][fromX] = EmptySquare;
9780 board[toY][toX] = BlackKing;
9781 board[fromY][7] = EmptySquare;
9782 board[toY][4] = BlackRook;
9783 } else if (fromY == 7 && fromX == 3
9784 && board[fromY][fromX] == BlackKing
9785 && toY == 7 && toX == 1) {
9786 board[fromY][fromX] = EmptySquare;
9787 board[toY][toX] = BlackKing;
9788 board[fromY][0] = EmptySquare;
9789 board[toY][2] = BlackRook;
9790 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9791 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9792 && toY < promoRank && promoChar
9794 /* black pawn promotion */
9795 board[toY][toX] = CharToPiece(ToLower(promoChar));
9796 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9797 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9798 board[fromY][fromX] = EmptySquare;
9799 } else if ((fromY < BOARD_HEIGHT>>1)
9800 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9802 && gameInfo.variant != VariantXiangqi
9803 && gameInfo.variant != VariantBerolina
9804 && (board[fromY][fromX] == BlackPawn)
9805 && (board[toY][toX] == EmptySquare)) {
9806 board[fromY][fromX] = EmptySquare;
9807 board[toY][toX] = BlackPawn;
9808 captured = board[toY + 1][toX];
9809 board[toY + 1][toX] = EmptySquare;
9810 } else if ((fromY == 3)
9812 && gameInfo.variant == VariantBerolina
9813 && (board[fromY][fromX] == BlackPawn)
9814 && (board[toY][toX] == EmptySquare)) {
9815 board[fromY][fromX] = EmptySquare;
9816 board[toY][toX] = BlackPawn;
9817 if(oldEP & EP_BEROLIN_A) {
9818 captured = board[fromY][fromX-1];
9819 board[fromY][fromX-1] = EmptySquare;
9820 }else{ captured = board[fromY][fromX+1];
9821 board[fromY][fromX+1] = EmptySquare;
9824 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
9825 board[fromY][fromX] = EmptySquare;
9826 board[toY][toX] = piece;
9830 if (gameInfo.holdingsWidth != 0) {
9832 /* !!A lot more code needs to be written to support holdings */
9833 /* [HGM] OK, so I have written it. Holdings are stored in the */
9834 /* penultimate board files, so they are automaticlly stored */
9835 /* in the game history. */
9836 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9837 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9838 /* Delete from holdings, by decreasing count */
9839 /* and erasing image if necessary */
9840 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9841 if(p < (int) BlackPawn) { /* white drop */
9842 p -= (int)WhitePawn;
9843 p = PieceToNumber((ChessSquare)p);
9844 if(p >= gameInfo.holdingsSize) p = 0;
9845 if(--board[p][BOARD_WIDTH-2] <= 0)
9846 board[p][BOARD_WIDTH-1] = EmptySquare;
9847 if((int)board[p][BOARD_WIDTH-2] < 0)
9848 board[p][BOARD_WIDTH-2] = 0;
9849 } else { /* black drop */
9850 p -= (int)BlackPawn;
9851 p = PieceToNumber((ChessSquare)p);
9852 if(p >= gameInfo.holdingsSize) p = 0;
9853 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9854 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9855 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9856 board[BOARD_HEIGHT-1-p][1] = 0;
9859 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9860 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9861 /* [HGM] holdings: Add to holdings, if holdings exist */
9862 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9863 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9864 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9867 if (p >= (int) BlackPawn) {
9868 p -= (int)BlackPawn;
9869 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9870 /* in Shogi restore piece to its original first */
9871 captured = (ChessSquare) (DEMOTED captured);
9874 p = PieceToNumber((ChessSquare)p);
9875 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9876 board[p][BOARD_WIDTH-2]++;
9877 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9879 p -= (int)WhitePawn;
9880 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9881 captured = (ChessSquare) (DEMOTED captured);
9884 p = PieceToNumber((ChessSquare)p);
9885 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9886 board[BOARD_HEIGHT-1-p][1]++;
9887 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9890 } else if (gameInfo.variant == VariantAtomic) {
9891 if (captured != EmptySquare) {
9893 for (y = toY-1; y <= toY+1; y++) {
9894 for (x = toX-1; x <= toX+1; x++) {
9895 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9896 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9897 board[y][x] = EmptySquare;
9901 board[toY][toX] = EmptySquare;
9904 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9905 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9907 if(promoChar == '+') {
9908 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9909 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
9910 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9911 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9912 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9913 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9914 board[toY][toX] = newPiece;
9916 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9917 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9918 // [HGM] superchess: take promotion piece out of holdings
9919 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9920 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9921 if(!--board[k][BOARD_WIDTH-2])
9922 board[k][BOARD_WIDTH-1] = EmptySquare;
9924 if(!--board[BOARD_HEIGHT-1-k][1])
9925 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9931 /* Updates forwardMostMove */
9933 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9935 int x = toX, y = toY;
9936 char *s = parseList[forwardMostMove];
9937 ChessSquare p = boards[forwardMostMove][toY][toX];
9938 // forwardMostMove++; // [HGM] bare: moved downstream
9940 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
9941 (void) CoordsToAlgebraic(boards[forwardMostMove],
9942 PosFlags(forwardMostMove),
9943 fromY, fromX, y, x, promoChar,
9945 if(killX >= 0 && killY >= 0)
9946 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
9948 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9949 int timeLeft; static int lastLoadFlag=0; int king, piece;
9950 piece = boards[forwardMostMove][fromY][fromX];
9951 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9952 if(gameInfo.variant == VariantKnightmate)
9953 king += (int) WhiteUnicorn - (int) WhiteKing;
9954 if(forwardMostMove == 0) {
9955 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9956 fprintf(serverMoves, "%s;", UserName());
9957 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9958 fprintf(serverMoves, "%s;", second.tidy);
9959 fprintf(serverMoves, "%s;", first.tidy);
9960 if(gameMode == MachinePlaysWhite)
9961 fprintf(serverMoves, "%s;", UserName());
9962 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9963 fprintf(serverMoves, "%s;", second.tidy);
9964 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9965 lastLoadFlag = loadFlag;
9967 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9968 // print castling suffix
9969 if( toY == fromY && piece == king ) {
9971 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9973 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9976 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9977 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9978 boards[forwardMostMove][toY][toX] == EmptySquare
9979 && fromX != toX && fromY != toY)
9980 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9982 if(promoChar != NULLCHAR) {
9983 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9984 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9985 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9986 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9989 char buf[MOVE_LEN*2], *p; int len;
9990 fprintf(serverMoves, "/%d/%d",
9991 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9992 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9993 else timeLeft = blackTimeRemaining/1000;
9994 fprintf(serverMoves, "/%d", timeLeft);
9995 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9996 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9997 if(p = strchr(buf, '=')) *p = NULLCHAR;
9998 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9999 fprintf(serverMoves, "/%s", buf);
10001 fflush(serverMoves);
10004 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10005 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10008 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10009 if (commentList[forwardMostMove+1] != NULL) {
10010 free(commentList[forwardMostMove+1]);
10011 commentList[forwardMostMove+1] = NULL;
10013 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10014 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10015 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10016 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10017 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10018 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10019 adjustedClock = FALSE;
10020 gameInfo.result = GameUnfinished;
10021 if (gameInfo.resultDetails != NULL) {
10022 free(gameInfo.resultDetails);
10023 gameInfo.resultDetails = NULL;
10025 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10026 moveList[forwardMostMove - 1]);
10027 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10033 if(gameInfo.variant != VariantShogi)
10034 strcat(parseList[forwardMostMove - 1], "+");
10038 strcat(parseList[forwardMostMove - 1], "#");
10042 killX = killY = -1; // [HGM] lion: used up
10045 /* Updates currentMove if not pausing */
10047 ShowMove (int fromX, int fromY, int toX, int toY)
10049 int instant = (gameMode == PlayFromGameFile) ?
10050 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10051 if(appData.noGUI) return;
10052 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10054 if (forwardMostMove == currentMove + 1) {
10055 AnimateMove(boards[forwardMostMove - 1],
10056 fromX, fromY, toX, toY);
10059 currentMove = forwardMostMove;
10062 if (instant) return;
10064 DisplayMove(currentMove - 1);
10065 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10066 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10067 SetHighlights(fromX, fromY, toX, toY);
10070 DrawPosition(FALSE, boards[currentMove]);
10071 DisplayBothClocks();
10072 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10076 SendEgtPath (ChessProgramState *cps)
10077 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10078 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10080 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10083 char c, *q = name+1, *r, *s;
10085 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10086 while(*p && *p != ',') *q++ = *p++;
10087 *q++ = ':'; *q = 0;
10088 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10089 strcmp(name, ",nalimov:") == 0 ) {
10090 // take nalimov path from the menu-changeable option first, if it is defined
10091 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10092 SendToProgram(buf,cps); // send egtbpath command for nalimov
10094 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10095 (s = StrStr(appData.egtFormats, name)) != NULL) {
10096 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10097 s = r = StrStr(s, ":") + 1; // beginning of path info
10098 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10099 c = *r; *r = 0; // temporarily null-terminate path info
10100 *--q = 0; // strip of trailig ':' from name
10101 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10103 SendToProgram(buf,cps); // send egtbpath command for this format
10105 if(*p == ',') p++; // read away comma to position for next format name
10110 NonStandardBoardSize ()
10112 /* [HGM] Awkward testing. Should really be a table */
10113 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
10114 if( gameInfo.variant == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10115 if( gameInfo.variant == VariantXiangqi )
10116 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
10117 if( gameInfo.variant == VariantShogi )
10118 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
10119 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
10120 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
10121 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
10122 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
10123 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
10124 if( gameInfo.variant == VariantCourier )
10125 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
10126 if( gameInfo.variant == VariantSuper )
10127 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
10128 if( gameInfo.variant == VariantGreat )
10129 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
10130 if( gameInfo.variant == VariantSChess )
10131 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
10132 if( gameInfo.variant == VariantGrand )
10133 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
10134 if( gameInfo.variant == VariantChu )
10135 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 12 || gameInfo.holdingsSize != 0;
10140 InitChessProgram (ChessProgramState *cps, int setup)
10141 /* setup needed to setup FRC opening position */
10143 char buf[MSG_SIZ], b[MSG_SIZ];
10144 if (appData.noChessProgram) return;
10145 hintRequested = FALSE;
10146 bookRequested = FALSE;
10148 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10149 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10150 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10151 if(cps->memSize) { /* [HGM] memory */
10152 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10153 SendToProgram(buf, cps);
10155 SendEgtPath(cps); /* [HGM] EGT */
10156 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10157 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10158 SendToProgram(buf, cps);
10161 SendToProgram(cps->initString, cps);
10162 if (gameInfo.variant != VariantNormal &&
10163 gameInfo.variant != VariantLoadable
10164 /* [HGM] also send variant if board size non-standard */
10165 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
10167 char *v = VariantName(gameInfo.variant);
10168 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
10169 /* [HGM] in protocol 1 we have to assume all variants valid */
10170 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
10171 DisplayFatalError(buf, 0, 1);
10175 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
10176 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
10177 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
10178 /* [HGM] varsize: try first if this defiant size variant is specifically known */
10179 if(StrStr(cps->variants, b) == NULL) {
10180 // specific sized variant not known, check if general sizing allowed
10181 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
10182 if(StrStr(cps->variants, "boardsize") == NULL) {
10183 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10184 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
10185 DisplayFatalError(buf, 0, 1);
10188 /* [HGM] here we really should compare with the maximum supported board size */
10191 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
10192 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10193 SendToProgram(buf, cps);
10195 currentlyInitializedVariant = gameInfo.variant;
10197 /* [HGM] send opening position in FRC to first engine */
10199 SendToProgram("force\n", cps);
10201 /* engine is now in force mode! Set flag to wake it up after first move. */
10202 setboardSpoiledMachineBlack = 1;
10205 if (cps->sendICS) {
10206 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10207 SendToProgram(buf, cps);
10209 cps->maybeThinking = FALSE;
10210 cps->offeredDraw = 0;
10211 if (!appData.icsActive) {
10212 SendTimeControl(cps, movesPerSession, timeControl,
10213 timeIncrement, appData.searchDepth,
10216 if (appData.showThinking
10217 // [HGM] thinking: four options require thinking output to be sent
10218 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10220 SendToProgram("post\n", cps);
10222 SendToProgram("hard\n", cps);
10223 if (!appData.ponderNextMove) {
10224 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10225 it without being sure what state we are in first. "hard"
10226 is not a toggle, so that one is OK.
10228 SendToProgram("easy\n", cps);
10230 if (cps->usePing) {
10231 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
10232 SendToProgram(buf, cps);
10234 cps->initDone = TRUE;
10235 ClearEngineOutputPane(cps == &second);
10240 ResendOptions (ChessProgramState *cps)
10241 { // send the stored value of the options
10244 Option *opt = cps->option;
10245 for(i=0; i<cps->nrOptions; i++, opt++) {
10246 switch(opt->type) {
10250 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10253 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10256 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10262 SendToProgram(buf, cps);
10267 StartChessProgram (ChessProgramState *cps)
10272 if (appData.noChessProgram) return;
10273 cps->initDone = FALSE;
10275 if (strcmp(cps->host, "localhost") == 0) {
10276 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10277 } else if (*appData.remoteShell == NULLCHAR) {
10278 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10280 if (*appData.remoteUser == NULLCHAR) {
10281 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10284 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10285 cps->host, appData.remoteUser, cps->program);
10287 err = StartChildProcess(buf, "", &cps->pr);
10291 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10292 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10293 if(cps != &first) return;
10294 appData.noChessProgram = TRUE;
10297 // DisplayFatalError(buf, err, 1);
10298 // cps->pr = NoProc;
10299 // cps->isr = NULL;
10303 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10304 if (cps->protocolVersion > 1) {
10305 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10306 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10307 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10308 cps->comboCnt = 0; // and values of combo boxes
10310 SendToProgram(buf, cps);
10311 if(cps->reload) ResendOptions(cps);
10313 SendToProgram("xboard\n", cps);
10318 TwoMachinesEventIfReady P((void))
10320 static int curMess = 0;
10321 if (first.lastPing != first.lastPong) {
10322 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10323 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10326 if (second.lastPing != second.lastPong) {
10327 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10328 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10331 DisplayMessage("", ""); curMess = 0;
10332 TwoMachinesEvent();
10336 MakeName (char *template)
10340 static char buf[MSG_SIZ];
10344 clock = time((time_t *)NULL);
10345 tm = localtime(&clock);
10347 while(*p++ = *template++) if(p[-1] == '%') {
10348 switch(*template++) {
10349 case 0: *p = 0; return buf;
10350 case 'Y': i = tm->tm_year+1900; break;
10351 case 'y': i = tm->tm_year-100; break;
10352 case 'M': i = tm->tm_mon+1; break;
10353 case 'd': i = tm->tm_mday; break;
10354 case 'h': i = tm->tm_hour; break;
10355 case 'm': i = tm->tm_min; break;
10356 case 's': i = tm->tm_sec; break;
10359 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10365 CountPlayers (char *p)
10368 while(p = strchr(p, '\n')) p++, n++; // count participants
10373 WriteTourneyFile (char *results, FILE *f)
10374 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10375 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10376 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10377 // create a file with tournament description
10378 fprintf(f, "-participants {%s}\n", appData.participants);
10379 fprintf(f, "-seedBase %d\n", appData.seedBase);
10380 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10381 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10382 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10383 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10384 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10385 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10386 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10387 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10388 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10389 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10390 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10391 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10392 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10393 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10394 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10395 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10396 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10397 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10398 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10399 fprintf(f, "-smpCores %d\n", appData.smpCores);
10401 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10403 fprintf(f, "-mps %d\n", appData.movesPerSession);
10404 fprintf(f, "-tc %s\n", appData.timeControl);
10405 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10407 fprintf(f, "-results \"%s\"\n", results);
10412 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10415 Substitute (char *participants, int expunge)
10417 int i, changed, changes=0, nPlayers=0;
10418 char *p, *q, *r, buf[MSG_SIZ];
10419 if(participants == NULL) return;
10420 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10421 r = p = participants; q = appData.participants;
10422 while(*p && *p == *q) {
10423 if(*p == '\n') r = p+1, nPlayers++;
10426 if(*p) { // difference
10427 while(*p && *p++ != '\n');
10428 while(*q && *q++ != '\n');
10429 changed = nPlayers;
10430 changes = 1 + (strcmp(p, q) != 0);
10432 if(changes == 1) { // a single engine mnemonic was changed
10433 q = r; while(*q) nPlayers += (*q++ == '\n');
10434 p = buf; while(*r && (*p = *r++) != '\n') p++;
10436 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10437 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10438 if(mnemonic[i]) { // The substitute is valid
10440 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10441 flock(fileno(f), LOCK_EX);
10442 ParseArgsFromFile(f);
10443 fseek(f, 0, SEEK_SET);
10444 FREE(appData.participants); appData.participants = participants;
10445 if(expunge) { // erase results of replaced engine
10446 int len = strlen(appData.results), w, b, dummy;
10447 for(i=0; i<len; i++) {
10448 Pairing(i, nPlayers, &w, &b, &dummy);
10449 if((w == changed || b == changed) && appData.results[i] == '*') {
10450 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10455 for(i=0; i<len; i++) {
10456 Pairing(i, nPlayers, &w, &b, &dummy);
10457 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10460 WriteTourneyFile(appData.results, f);
10461 fclose(f); // release lock
10464 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10466 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10467 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10468 free(participants);
10473 CheckPlayers (char *participants)
10476 char buf[MSG_SIZ], *p;
10477 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10478 while(p = strchr(participants, '\n')) {
10480 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10482 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10484 DisplayError(buf, 0);
10488 participants = p + 1;
10494 CreateTourney (char *name)
10497 if(matchMode && strcmp(name, appData.tourneyFile)) {
10498 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10500 if(name[0] == NULLCHAR) {
10501 if(appData.participants[0])
10502 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10505 f = fopen(name, "r");
10506 if(f) { // file exists
10507 ASSIGN(appData.tourneyFile, name);
10508 ParseArgsFromFile(f); // parse it
10510 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10511 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10512 DisplayError(_("Not enough participants"), 0);
10515 if(CheckPlayers(appData.participants)) return 0;
10516 ASSIGN(appData.tourneyFile, name);
10517 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10518 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10521 appData.noChessProgram = FALSE;
10522 appData.clockMode = TRUE;
10528 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10530 char buf[MSG_SIZ], *p, *q;
10531 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10532 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10533 skip = !all && group[0]; // if group requested, we start in skip mode
10534 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10535 p = names; q = buf; header = 0;
10536 while(*p && *p != '\n') *q++ = *p++;
10538 if(*p == '\n') p++;
10539 if(buf[0] == '#') {
10540 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10541 depth++; // we must be entering a new group
10542 if(all) continue; // suppress printing group headers when complete list requested
10544 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10546 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10547 if(engineList[i]) free(engineList[i]);
10548 engineList[i] = strdup(buf);
10549 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10550 if(engineMnemonic[i]) free(engineMnemonic[i]);
10551 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10553 sscanf(q + 8, "%s", buf + strlen(buf));
10556 engineMnemonic[i] = strdup(buf);
10559 engineList[i] = engineMnemonic[i] = NULL;
10563 // following implemented as macro to avoid type limitations
10564 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10567 SwapEngines (int n)
10568 { // swap settings for first engine and other engine (so far only some selected options)
10573 SWAP(chessProgram, p)
10575 SWAP(hasOwnBookUCI, h)
10576 SWAP(protocolVersion, h)
10578 SWAP(scoreIsAbsolute, h)
10583 SWAP(engOptions, p)
10584 SWAP(engInitString, p)
10585 SWAP(computerString, p)
10587 SWAP(fenOverride, p)
10589 SWAP(accumulateTC, h)
10594 GetEngineLine (char *s, int n)
10598 extern char *icsNames;
10599 if(!s || !*s) return 0;
10600 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10601 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10602 if(!mnemonic[i]) return 0;
10603 if(n == 11) return 1; // just testing if there was a match
10604 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10605 if(n == 1) SwapEngines(n);
10606 ParseArgsFromString(buf);
10607 if(n == 1) SwapEngines(n);
10608 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10609 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10610 ParseArgsFromString(buf);
10616 SetPlayer (int player, char *p)
10617 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10619 char buf[MSG_SIZ], *engineName;
10620 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10621 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10622 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10624 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10625 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10626 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10627 ParseArgsFromString(buf);
10628 } else { // no engine with this nickname is installed!
10629 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10630 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10631 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10633 DisplayError(buf, 0);
10640 char *recentEngines;
10643 RecentEngineEvent (int nr)
10646 // SwapEngines(1); // bump first to second
10647 // ReplaceEngine(&second, 1); // and load it there
10648 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10649 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10650 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10651 ReplaceEngine(&first, 0);
10652 FloatToFront(&appData.recentEngineList, command[n]);
10657 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10658 { // determine players from game number
10659 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10661 if(appData.tourneyType == 0) {
10662 roundsPerCycle = (nPlayers - 1) | 1;
10663 pairingsPerRound = nPlayers / 2;
10664 } else if(appData.tourneyType > 0) {
10665 roundsPerCycle = nPlayers - appData.tourneyType;
10666 pairingsPerRound = appData.tourneyType;
10668 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10669 gamesPerCycle = gamesPerRound * roundsPerCycle;
10670 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10671 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10672 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10673 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10674 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10675 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10677 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10678 if(appData.roundSync) *syncInterval = gamesPerRound;
10680 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10682 if(appData.tourneyType == 0) {
10683 if(curPairing == (nPlayers-1)/2 ) {
10684 *whitePlayer = curRound;
10685 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10687 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10688 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10689 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10690 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10692 } else if(appData.tourneyType > 1) {
10693 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10694 *whitePlayer = curRound + appData.tourneyType;
10695 } else if(appData.tourneyType > 0) {
10696 *whitePlayer = curPairing;
10697 *blackPlayer = curRound + appData.tourneyType;
10700 // take care of white/black alternation per round.
10701 // For cycles and games this is already taken care of by default, derived from matchGame!
10702 return curRound & 1;
10706 NextTourneyGame (int nr, int *swapColors)
10707 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10709 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10711 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10712 tf = fopen(appData.tourneyFile, "r");
10713 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10714 ParseArgsFromFile(tf); fclose(tf);
10715 InitTimeControls(); // TC might be altered from tourney file
10717 nPlayers = CountPlayers(appData.participants); // count participants
10718 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10719 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10722 p = q = appData.results;
10723 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10724 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10725 DisplayMessage(_("Waiting for other game(s)"),"");
10726 waitingForGame = TRUE;
10727 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10730 waitingForGame = FALSE;
10733 if(appData.tourneyType < 0) {
10734 if(nr>=0 && !pairingReceived) {
10736 if(pairing.pr == NoProc) {
10737 if(!appData.pairingEngine[0]) {
10738 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10741 StartChessProgram(&pairing); // starts the pairing engine
10743 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10744 SendToProgram(buf, &pairing);
10745 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10746 SendToProgram(buf, &pairing);
10747 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10749 pairingReceived = 0; // ... so we continue here
10751 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10752 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10753 matchGame = 1; roundNr = nr / syncInterval + 1;
10756 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10758 // redefine engines, engine dir, etc.
10759 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10760 if(first.pr == NoProc) {
10761 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10762 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10764 if(second.pr == NoProc) {
10766 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10767 SwapEngines(1); // and make that valid for second engine by swapping
10768 InitEngine(&second, 1);
10770 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10771 UpdateLogos(FALSE); // leave display to ModeHiglight()
10777 { // performs game initialization that does not invoke engines, and then tries to start the game
10778 int res, firstWhite, swapColors = 0;
10779 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10780 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
10782 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10783 if(strcmp(buf, currentDebugFile)) { // name has changed
10784 FILE *f = fopen(buf, "w");
10785 if(f) { // if opening the new file failed, just keep using the old one
10786 ASSIGN(currentDebugFile, buf);
10790 if(appData.serverFileName) {
10791 if(serverFP) fclose(serverFP);
10792 serverFP = fopen(appData.serverFileName, "w");
10793 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10794 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10798 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10799 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10800 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10801 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10802 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10803 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10804 Reset(FALSE, first.pr != NoProc);
10805 res = LoadGameOrPosition(matchGame); // setup game
10806 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10807 if(!res) return; // abort when bad game/pos file
10808 TwoMachinesEvent();
10812 UserAdjudicationEvent (int result)
10814 ChessMove gameResult = GameIsDrawn;
10817 gameResult = WhiteWins;
10819 else if( result < 0 ) {
10820 gameResult = BlackWins;
10823 if( gameMode == TwoMachinesPlay ) {
10824 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10829 // [HGM] save: calculate checksum of game to make games easily identifiable
10831 StringCheckSum (char *s)
10834 if(s==NULL) return 0;
10835 while(*s) i = i*259 + *s++;
10843 for(i=backwardMostMove; i<forwardMostMove; i++) {
10844 sum += pvInfoList[i].depth;
10845 sum += StringCheckSum(parseList[i]);
10846 sum += StringCheckSum(commentList[i]);
10849 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10850 return sum + StringCheckSum(commentList[i]);
10851 } // end of save patch
10854 GameEnds (ChessMove result, char *resultDetails, int whosays)
10856 GameMode nextGameMode;
10858 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10860 if(endingGame) return; /* [HGM] crash: forbid recursion */
10862 if(twoBoards) { // [HGM] dual: switch back to one board
10863 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10864 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10866 if (appData.debugMode) {
10867 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10868 result, resultDetails ? resultDetails : "(null)", whosays);
10871 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10873 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10875 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10876 /* If we are playing on ICS, the server decides when the
10877 game is over, but the engine can offer to draw, claim
10881 if (appData.zippyPlay && first.initDone) {
10882 if (result == GameIsDrawn) {
10883 /* In case draw still needs to be claimed */
10884 SendToICS(ics_prefix);
10885 SendToICS("draw\n");
10886 } else if (StrCaseStr(resultDetails, "resign")) {
10887 SendToICS(ics_prefix);
10888 SendToICS("resign\n");
10892 endingGame = 0; /* [HGM] crash */
10896 /* If we're loading the game from a file, stop */
10897 if (whosays == GE_FILE) {
10898 (void) StopLoadGameTimer();
10902 /* Cancel draw offers */
10903 first.offeredDraw = second.offeredDraw = 0;
10905 /* If this is an ICS game, only ICS can really say it's done;
10906 if not, anyone can. */
10907 isIcsGame = (gameMode == IcsPlayingWhite ||
10908 gameMode == IcsPlayingBlack ||
10909 gameMode == IcsObserving ||
10910 gameMode == IcsExamining);
10912 if (!isIcsGame || whosays == GE_ICS) {
10913 /* OK -- not an ICS game, or ICS said it was done */
10915 if (!isIcsGame && !appData.noChessProgram)
10916 SetUserThinkingEnables();
10918 /* [HGM] if a machine claims the game end we verify this claim */
10919 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10920 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10922 ChessMove trueResult = (ChessMove) -1;
10924 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10925 first.twoMachinesColor[0] :
10926 second.twoMachinesColor[0] ;
10928 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10929 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10930 /* [HGM] verify: engine mate claims accepted if they were flagged */
10931 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10933 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10934 /* [HGM] verify: engine mate claims accepted if they were flagged */
10935 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10937 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10938 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10941 // now verify win claims, but not in drop games, as we don't understand those yet
10942 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10943 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10944 (result == WhiteWins && claimer == 'w' ||
10945 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10946 if (appData.debugMode) {
10947 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10948 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10950 if(result != trueResult) {
10951 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10952 result = claimer == 'w' ? BlackWins : WhiteWins;
10953 resultDetails = buf;
10956 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10957 && (forwardMostMove <= backwardMostMove ||
10958 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10959 (claimer=='b')==(forwardMostMove&1))
10961 /* [HGM] verify: draws that were not flagged are false claims */
10962 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10963 result = claimer == 'w' ? BlackWins : WhiteWins;
10964 resultDetails = buf;
10966 /* (Claiming a loss is accepted no questions asked!) */
10967 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10968 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10969 result = GameUnfinished;
10970 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10972 /* [HGM] bare: don't allow bare King to win */
10973 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10974 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10975 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10976 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10977 && result != GameIsDrawn)
10978 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10979 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10980 int p = (signed char)boards[forwardMostMove][i][j] - color;
10981 if(p >= 0 && p <= (int)WhiteKing) k++;
10983 if (appData.debugMode) {
10984 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10985 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10988 result = GameIsDrawn;
10989 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10990 resultDetails = buf;
10996 if(serverMoves != NULL && !loadFlag) { char c = '=';
10997 if(result==WhiteWins) c = '+';
10998 if(result==BlackWins) c = '-';
10999 if(resultDetails != NULL)
11000 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11002 if (resultDetails != NULL) {
11003 gameInfo.result = result;
11004 gameInfo.resultDetails = StrSave(resultDetails);
11006 /* display last move only if game was not loaded from file */
11007 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11008 DisplayMove(currentMove - 1);
11010 if (forwardMostMove != 0) {
11011 if (gameMode != PlayFromGameFile && gameMode != EditGame
11012 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11014 if (*appData.saveGameFile != NULLCHAR) {
11015 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11016 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11018 SaveGameToFile(appData.saveGameFile, TRUE);
11019 } else if (appData.autoSaveGames) {
11020 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11022 if (*appData.savePositionFile != NULLCHAR) {
11023 SavePositionToFile(appData.savePositionFile);
11025 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11029 /* Tell program how game ended in case it is learning */
11030 /* [HGM] Moved this to after saving the PGN, just in case */
11031 /* engine died and we got here through time loss. In that */
11032 /* case we will get a fatal error writing the pipe, which */
11033 /* would otherwise lose us the PGN. */
11034 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11035 /* output during GameEnds should never be fatal anymore */
11036 if (gameMode == MachinePlaysWhite ||
11037 gameMode == MachinePlaysBlack ||
11038 gameMode == TwoMachinesPlay ||
11039 gameMode == IcsPlayingWhite ||
11040 gameMode == IcsPlayingBlack ||
11041 gameMode == BeginningOfGame) {
11043 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11045 if (first.pr != NoProc) {
11046 SendToProgram(buf, &first);
11048 if (second.pr != NoProc &&
11049 gameMode == TwoMachinesPlay) {
11050 SendToProgram(buf, &second);
11055 if (appData.icsActive) {
11056 if (appData.quietPlay &&
11057 (gameMode == IcsPlayingWhite ||
11058 gameMode == IcsPlayingBlack)) {
11059 SendToICS(ics_prefix);
11060 SendToICS("set shout 1\n");
11062 nextGameMode = IcsIdle;
11063 ics_user_moved = FALSE;
11064 /* clean up premove. It's ugly when the game has ended and the
11065 * premove highlights are still on the board.
11068 gotPremove = FALSE;
11069 ClearPremoveHighlights();
11070 DrawPosition(FALSE, boards[currentMove]);
11072 if (whosays == GE_ICS) {
11075 if (gameMode == IcsPlayingWhite)
11077 else if(gameMode == IcsPlayingBlack)
11078 PlayIcsLossSound();
11081 if (gameMode == IcsPlayingBlack)
11083 else if(gameMode == IcsPlayingWhite)
11084 PlayIcsLossSound();
11087 PlayIcsDrawSound();
11090 PlayIcsUnfinishedSound();
11093 if(appData.quitNext) { ExitEvent(0); return; }
11094 } else if (gameMode == EditGame ||
11095 gameMode == PlayFromGameFile ||
11096 gameMode == AnalyzeMode ||
11097 gameMode == AnalyzeFile) {
11098 nextGameMode = gameMode;
11100 nextGameMode = EndOfGame;
11105 nextGameMode = gameMode;
11108 if (appData.noChessProgram) {
11109 gameMode = nextGameMode;
11111 endingGame = 0; /* [HGM] crash */
11116 /* Put first chess program into idle state */
11117 if (first.pr != NoProc &&
11118 (gameMode == MachinePlaysWhite ||
11119 gameMode == MachinePlaysBlack ||
11120 gameMode == TwoMachinesPlay ||
11121 gameMode == IcsPlayingWhite ||
11122 gameMode == IcsPlayingBlack ||
11123 gameMode == BeginningOfGame)) {
11124 SendToProgram("force\n", &first);
11125 if (first.usePing) {
11127 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11128 SendToProgram(buf, &first);
11131 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11132 /* Kill off first chess program */
11133 if (first.isr != NULL)
11134 RemoveInputSource(first.isr);
11137 if (first.pr != NoProc) {
11139 DoSleep( appData.delayBeforeQuit );
11140 SendToProgram("quit\n", &first);
11141 DoSleep( appData.delayAfterQuit );
11142 DestroyChildProcess(first.pr, first.useSigterm);
11143 first.reload = TRUE;
11147 if (second.reuse) {
11148 /* Put second chess program into idle state */
11149 if (second.pr != NoProc &&
11150 gameMode == TwoMachinesPlay) {
11151 SendToProgram("force\n", &second);
11152 if (second.usePing) {
11154 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11155 SendToProgram(buf, &second);
11158 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11159 /* Kill off second chess program */
11160 if (second.isr != NULL)
11161 RemoveInputSource(second.isr);
11164 if (second.pr != NoProc) {
11165 DoSleep( appData.delayBeforeQuit );
11166 SendToProgram("quit\n", &second);
11167 DoSleep( appData.delayAfterQuit );
11168 DestroyChildProcess(second.pr, second.useSigterm);
11169 second.reload = TRUE;
11171 second.pr = NoProc;
11174 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11175 char resChar = '=';
11179 if (first.twoMachinesColor[0] == 'w') {
11182 second.matchWins++;
11187 if (first.twoMachinesColor[0] == 'b') {
11190 second.matchWins++;
11193 case GameUnfinished:
11199 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11200 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11201 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11202 ReserveGame(nextGame, resChar); // sets nextGame
11203 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11204 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11205 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11207 if (nextGame <= appData.matchGames && !abortMatch) {
11208 gameMode = nextGameMode;
11209 matchGame = nextGame; // this will be overruled in tourney mode!
11210 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11211 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11212 endingGame = 0; /* [HGM] crash */
11215 gameMode = nextGameMode;
11216 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11217 first.tidy, second.tidy,
11218 first.matchWins, second.matchWins,
11219 appData.matchGames - (first.matchWins + second.matchWins));
11220 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11221 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11222 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11223 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11224 first.twoMachinesColor = "black\n";
11225 second.twoMachinesColor = "white\n";
11227 first.twoMachinesColor = "white\n";
11228 second.twoMachinesColor = "black\n";
11232 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11233 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11235 gameMode = nextGameMode;
11237 endingGame = 0; /* [HGM] crash */
11238 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11239 if(matchMode == TRUE) { // match through command line: exit with or without popup
11241 ToNrEvent(forwardMostMove);
11242 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11244 } else DisplayFatalError(buf, 0, 0);
11245 } else { // match through menu; just stop, with or without popup
11246 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11249 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11250 } else DisplayNote(buf);
11252 if(ranking) free(ranking);
11256 /* Assumes program was just initialized (initString sent).
11257 Leaves program in force mode. */
11259 FeedMovesToProgram (ChessProgramState *cps, int upto)
11263 if (appData.debugMode)
11264 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11265 startedFromSetupPosition ? "position and " : "",
11266 backwardMostMove, upto, cps->which);
11267 if(currentlyInitializedVariant != gameInfo.variant) {
11269 // [HGM] variantswitch: make engine aware of new variant
11270 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11271 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11272 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11273 SendToProgram(buf, cps);
11274 currentlyInitializedVariant = gameInfo.variant;
11276 SendToProgram("force\n", cps);
11277 if (startedFromSetupPosition) {
11278 SendBoard(cps, backwardMostMove);
11279 if (appData.debugMode) {
11280 fprintf(debugFP, "feedMoves\n");
11283 for (i = backwardMostMove; i < upto; i++) {
11284 SendMoveToProgram(i, cps);
11290 ResurrectChessProgram ()
11292 /* The chess program may have exited.
11293 If so, restart it and feed it all the moves made so far. */
11294 static int doInit = 0;
11296 if (appData.noChessProgram) return 1;
11298 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11299 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11300 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11301 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11303 if (first.pr != NoProc) return 1;
11304 StartChessProgram(&first);
11306 InitChessProgram(&first, FALSE);
11307 FeedMovesToProgram(&first, currentMove);
11309 if (!first.sendTime) {
11310 /* can't tell gnuchess what its clock should read,
11311 so we bow to its notion. */
11313 timeRemaining[0][currentMove] = whiteTimeRemaining;
11314 timeRemaining[1][currentMove] = blackTimeRemaining;
11317 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11318 appData.icsEngineAnalyze) && first.analysisSupport) {
11319 SendToProgram("analyze\n", &first);
11320 first.analyzing = TRUE;
11326 * Button procedures
11329 Reset (int redraw, int init)
11333 if (appData.debugMode) {
11334 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11335 redraw, init, gameMode);
11337 CleanupTail(); // [HGM] vari: delete any stored variations
11338 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11339 pausing = pauseExamInvalid = FALSE;
11340 startedFromSetupPosition = blackPlaysFirst = FALSE;
11342 whiteFlag = blackFlag = FALSE;
11343 userOfferedDraw = FALSE;
11344 hintRequested = bookRequested = FALSE;
11345 first.maybeThinking = FALSE;
11346 second.maybeThinking = FALSE;
11347 first.bookSuspend = FALSE; // [HGM] book
11348 second.bookSuspend = FALSE;
11349 thinkOutput[0] = NULLCHAR;
11350 lastHint[0] = NULLCHAR;
11351 ClearGameInfo(&gameInfo);
11352 gameInfo.variant = StringToVariant(appData.variant);
11353 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11354 ics_user_moved = ics_clock_paused = FALSE;
11355 ics_getting_history = H_FALSE;
11357 white_holding[0] = black_holding[0] = NULLCHAR;
11358 ClearProgramStats();
11359 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11363 flipView = appData.flipView;
11364 ClearPremoveHighlights();
11365 gotPremove = FALSE;
11366 alarmSounded = FALSE;
11368 GameEnds(EndOfFile, NULL, GE_PLAYER);
11369 if(appData.serverMovesName != NULL) {
11370 /* [HGM] prepare to make moves file for broadcasting */
11371 clock_t t = clock();
11372 if(serverMoves != NULL) fclose(serverMoves);
11373 serverMoves = fopen(appData.serverMovesName, "r");
11374 if(serverMoves != NULL) {
11375 fclose(serverMoves);
11376 /* delay 15 sec before overwriting, so all clients can see end */
11377 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11379 serverMoves = fopen(appData.serverMovesName, "w");
11383 gameMode = BeginningOfGame;
11385 if(appData.icsActive) gameInfo.variant = VariantNormal;
11386 currentMove = forwardMostMove = backwardMostMove = 0;
11387 MarkTargetSquares(1);
11388 InitPosition(redraw);
11389 for (i = 0; i < MAX_MOVES; i++) {
11390 if (commentList[i] != NULL) {
11391 free(commentList[i]);
11392 commentList[i] = NULL;
11396 timeRemaining[0][0] = whiteTimeRemaining;
11397 timeRemaining[1][0] = blackTimeRemaining;
11399 if (first.pr == NoProc) {
11400 StartChessProgram(&first);
11403 InitChessProgram(&first, startedFromSetupPosition);
11406 DisplayMessage("", "");
11407 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11408 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11409 ClearMap(); // [HGM] exclude: invalidate map
11413 AutoPlayGameLoop ()
11416 if (!AutoPlayOneMove())
11418 if (matchMode || appData.timeDelay == 0)
11420 if (appData.timeDelay < 0)
11422 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11430 ReloadGame(1); // next game
11436 int fromX, fromY, toX, toY;
11438 if (appData.debugMode) {
11439 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11442 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11445 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11446 pvInfoList[currentMove].depth = programStats.depth;
11447 pvInfoList[currentMove].score = programStats.score;
11448 pvInfoList[currentMove].time = 0;
11449 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11450 else { // append analysis of final position as comment
11452 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11453 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11455 programStats.depth = 0;
11458 if (currentMove >= forwardMostMove) {
11459 if(gameMode == AnalyzeFile) {
11460 if(appData.loadGameIndex == -1) {
11461 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11462 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11464 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11467 // gameMode = EndOfGame;
11468 // ModeHighlight();
11470 /* [AS] Clear current move marker at the end of a game */
11471 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11476 toX = moveList[currentMove][2] - AAA;
11477 toY = moveList[currentMove][3] - ONE;
11479 if (moveList[currentMove][1] == '@') {
11480 if (appData.highlightLastMove) {
11481 SetHighlights(-1, -1, toX, toY);
11484 fromX = moveList[currentMove][0] - AAA;
11485 fromY = moveList[currentMove][1] - ONE;
11487 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11489 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11491 if (appData.highlightLastMove) {
11492 SetHighlights(fromX, fromY, toX, toY);
11495 DisplayMove(currentMove);
11496 SendMoveToProgram(currentMove++, &first);
11497 DisplayBothClocks();
11498 DrawPosition(FALSE, boards[currentMove]);
11499 // [HGM] PV info: always display, routine tests if empty
11500 DisplayComment(currentMove - 1, commentList[currentMove]);
11506 LoadGameOneMove (ChessMove readAhead)
11508 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11509 char promoChar = NULLCHAR;
11510 ChessMove moveType;
11511 char move[MSG_SIZ];
11514 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11515 gameMode != AnalyzeMode && gameMode != Training) {
11520 yyboardindex = forwardMostMove;
11521 if (readAhead != EndOfFile) {
11522 moveType = readAhead;
11524 if (gameFileFP == NULL)
11526 moveType = (ChessMove) Myylex();
11530 switch (moveType) {
11532 if (appData.debugMode)
11533 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11536 /* append the comment but don't display it */
11537 AppendComment(currentMove, p, FALSE);
11540 case WhiteCapturesEnPassant:
11541 case BlackCapturesEnPassant:
11542 case WhitePromotion:
11543 case BlackPromotion:
11544 case WhiteNonPromotion:
11545 case BlackNonPromotion:
11547 case WhiteKingSideCastle:
11548 case WhiteQueenSideCastle:
11549 case BlackKingSideCastle:
11550 case BlackQueenSideCastle:
11551 case WhiteKingSideCastleWild:
11552 case WhiteQueenSideCastleWild:
11553 case BlackKingSideCastleWild:
11554 case BlackQueenSideCastleWild:
11556 case WhiteHSideCastleFR:
11557 case WhiteASideCastleFR:
11558 case BlackHSideCastleFR:
11559 case BlackASideCastleFR:
11561 if (appData.debugMode)
11562 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11563 fromX = currentMoveString[0] - AAA;
11564 fromY = currentMoveString[1] - ONE;
11565 toX = currentMoveString[2] - AAA;
11566 toY = currentMoveString[3] - ONE;
11567 promoChar = currentMoveString[4];
11572 if (appData.debugMode)
11573 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11574 fromX = moveType == WhiteDrop ?
11575 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11576 (int) CharToPiece(ToLower(currentMoveString[0]));
11578 toX = currentMoveString[2] - AAA;
11579 toY = currentMoveString[3] - ONE;
11585 case GameUnfinished:
11586 if (appData.debugMode)
11587 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11588 p = strchr(yy_text, '{');
11589 if (p == NULL) p = strchr(yy_text, '(');
11592 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11594 q = strchr(p, *p == '{' ? '}' : ')');
11595 if (q != NULL) *q = NULLCHAR;
11598 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11599 GameEnds(moveType, p, GE_FILE);
11601 if (cmailMsgLoaded) {
11603 flipView = WhiteOnMove(currentMove);
11604 if (moveType == GameUnfinished) flipView = !flipView;
11605 if (appData.debugMode)
11606 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11611 if (appData.debugMode)
11612 fprintf(debugFP, "Parser hit end of file\n");
11613 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11619 if (WhiteOnMove(currentMove)) {
11620 GameEnds(BlackWins, "Black mates", GE_FILE);
11622 GameEnds(WhiteWins, "White mates", GE_FILE);
11626 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11632 case MoveNumberOne:
11633 if (lastLoadGameStart == GNUChessGame) {
11634 /* GNUChessGames have numbers, but they aren't move numbers */
11635 if (appData.debugMode)
11636 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11637 yy_text, (int) moveType);
11638 return LoadGameOneMove(EndOfFile); /* tail recursion */
11640 /* else fall thru */
11645 /* Reached start of next game in file */
11646 if (appData.debugMode)
11647 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11648 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11654 if (WhiteOnMove(currentMove)) {
11655 GameEnds(BlackWins, "Black mates", GE_FILE);
11657 GameEnds(WhiteWins, "White mates", GE_FILE);
11661 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11667 case PositionDiagram: /* should not happen; ignore */
11668 case ElapsedTime: /* ignore */
11669 case NAG: /* ignore */
11670 if (appData.debugMode)
11671 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11672 yy_text, (int) moveType);
11673 return LoadGameOneMove(EndOfFile); /* tail recursion */
11676 if (appData.testLegality) {
11677 if (appData.debugMode)
11678 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11679 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11680 (forwardMostMove / 2) + 1,
11681 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11682 DisplayError(move, 0);
11685 if (appData.debugMode)
11686 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11687 yy_text, currentMoveString);
11688 fromX = currentMoveString[0] - AAA;
11689 fromY = currentMoveString[1] - ONE;
11690 toX = currentMoveString[2] - AAA;
11691 toY = currentMoveString[3] - ONE;
11692 promoChar = currentMoveString[4];
11696 case AmbiguousMove:
11697 if (appData.debugMode)
11698 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11699 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11700 (forwardMostMove / 2) + 1,
11701 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11702 DisplayError(move, 0);
11707 case ImpossibleMove:
11708 if (appData.debugMode)
11709 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11710 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11711 (forwardMostMove / 2) + 1,
11712 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11713 DisplayError(move, 0);
11719 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11720 DrawPosition(FALSE, boards[currentMove]);
11721 DisplayBothClocks();
11722 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11723 DisplayComment(currentMove - 1, commentList[currentMove]);
11725 (void) StopLoadGameTimer();
11727 cmailOldMove = forwardMostMove;
11730 /* currentMoveString is set as a side-effect of yylex */
11732 thinkOutput[0] = NULLCHAR;
11733 MakeMove(fromX, fromY, toX, toY, promoChar);
11734 currentMove = forwardMostMove;
11739 /* Load the nth game from the given file */
11741 LoadGameFromFile (char *filename, int n, char *title, int useList)
11746 if (strcmp(filename, "-") == 0) {
11750 f = fopen(filename, "rb");
11752 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11753 DisplayError(buf, errno);
11757 if (fseek(f, 0, 0) == -1) {
11758 /* f is not seekable; probably a pipe */
11761 if (useList && n == 0) {
11762 int error = GameListBuild(f);
11764 DisplayError(_("Cannot build game list"), error);
11765 } else if (!ListEmpty(&gameList) &&
11766 ((ListGame *) gameList.tailPred)->number > 1) {
11767 GameListPopUp(f, title);
11774 return LoadGame(f, n, title, FALSE);
11779 MakeRegisteredMove ()
11781 int fromX, fromY, toX, toY;
11783 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11784 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11787 if (appData.debugMode)
11788 fprintf(debugFP, "Restoring %s for game %d\n",
11789 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11791 thinkOutput[0] = NULLCHAR;
11792 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11793 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11794 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11795 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11796 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11797 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11798 MakeMove(fromX, fromY, toX, toY, promoChar);
11799 ShowMove(fromX, fromY, toX, toY);
11801 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11808 if (WhiteOnMove(currentMove)) {
11809 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11811 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11816 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11823 if (WhiteOnMove(currentMove)) {
11824 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11826 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11831 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11842 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11844 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11848 if (gameNumber > nCmailGames) {
11849 DisplayError(_("No more games in this message"), 0);
11852 if (f == lastLoadGameFP) {
11853 int offset = gameNumber - lastLoadGameNumber;
11855 cmailMsg[0] = NULLCHAR;
11856 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11857 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11858 nCmailMovesRegistered--;
11860 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11861 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11862 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11865 if (! RegisterMove()) return FALSE;
11869 retVal = LoadGame(f, gameNumber, title, useList);
11871 /* Make move registered during previous look at this game, if any */
11872 MakeRegisteredMove();
11874 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11875 commentList[currentMove]
11876 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11877 DisplayComment(currentMove - 1, commentList[currentMove]);
11883 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11885 ReloadGame (int offset)
11887 int gameNumber = lastLoadGameNumber + offset;
11888 if (lastLoadGameFP == NULL) {
11889 DisplayError(_("No game has been loaded yet"), 0);
11892 if (gameNumber <= 0) {
11893 DisplayError(_("Can't back up any further"), 0);
11896 if (cmailMsgLoaded) {
11897 return CmailLoadGame(lastLoadGameFP, gameNumber,
11898 lastLoadGameTitle, lastLoadGameUseList);
11900 return LoadGame(lastLoadGameFP, gameNumber,
11901 lastLoadGameTitle, lastLoadGameUseList);
11905 int keys[EmptySquare+1];
11908 PositionMatches (Board b1, Board b2)
11911 switch(appData.searchMode) {
11912 case 1: return CompareWithRights(b1, b2);
11914 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11915 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11919 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11920 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11921 sum += keys[b1[r][f]] - keys[b2[r][f]];
11925 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11926 sum += keys[b1[r][f]] - keys[b2[r][f]];
11938 int pieceList[256], quickBoard[256];
11939 ChessSquare pieceType[256] = { EmptySquare };
11940 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11941 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11942 int soughtTotal, turn;
11943 Boolean epOK, flipSearch;
11946 unsigned char piece, to;
11949 #define DSIZE (250000)
11951 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11952 Move *moveDatabase = initialSpace;
11953 unsigned int movePtr, dataSize = DSIZE;
11956 MakePieceList (Board board, int *counts)
11958 int r, f, n=Q_PROMO, total=0;
11959 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11960 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11961 int sq = f + (r<<4);
11962 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11963 quickBoard[sq] = ++n;
11965 pieceType[n] = board[r][f];
11966 counts[board[r][f]]++;
11967 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11968 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11972 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11977 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11979 int sq = fromX + (fromY<<4);
11980 int piece = quickBoard[sq];
11981 quickBoard[sq] = 0;
11982 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11983 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11984 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11985 moveDatabase[movePtr++].piece = Q_WCASTL;
11986 quickBoard[sq] = piece;
11987 piece = quickBoard[from]; quickBoard[from] = 0;
11988 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11990 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11991 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11992 moveDatabase[movePtr++].piece = Q_BCASTL;
11993 quickBoard[sq] = piece;
11994 piece = quickBoard[from]; quickBoard[from] = 0;
11995 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11997 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11998 quickBoard[(fromY<<4)+toX] = 0;
11999 moveDatabase[movePtr].piece = Q_EP;
12000 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12001 moveDatabase[movePtr].to = sq;
12003 if(promoPiece != pieceType[piece]) {
12004 moveDatabase[movePtr++].piece = Q_PROMO;
12005 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12007 moveDatabase[movePtr].piece = piece;
12008 quickBoard[sq] = piece;
12013 PackGame (Board board)
12015 Move *newSpace = NULL;
12016 moveDatabase[movePtr].piece = 0; // terminate previous game
12017 if(movePtr > dataSize) {
12018 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12019 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12020 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12023 Move *p = moveDatabase, *q = newSpace;
12024 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12025 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12026 moveDatabase = newSpace;
12027 } else { // calloc failed, we must be out of memory. Too bad...
12028 dataSize = 0; // prevent calloc events for all subsequent games
12029 return 0; // and signal this one isn't cached
12033 MakePieceList(board, counts);
12038 QuickCompare (Board board, int *minCounts, int *maxCounts)
12039 { // compare according to search mode
12041 switch(appData.searchMode)
12043 case 1: // exact position match
12044 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12045 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12046 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12049 case 2: // can have extra material on empty squares
12050 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12051 if(board[r][f] == EmptySquare) continue;
12052 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12055 case 3: // material with exact Pawn structure
12056 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12057 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12058 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12059 } // fall through to material comparison
12060 case 4: // exact material
12061 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12063 case 6: // material range with given imbalance
12064 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12065 // fall through to range comparison
12066 case 5: // material range
12067 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12073 QuickScan (Board board, Move *move)
12074 { // reconstruct game,and compare all positions in it
12075 int cnt=0, stretch=0, total = MakePieceList(board, counts);
12077 int piece = move->piece;
12078 int to = move->to, from = pieceList[piece];
12079 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12080 if(!piece) return -1;
12081 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12082 piece = (++move)->piece;
12083 from = pieceList[piece];
12084 counts[pieceType[piece]]--;
12085 pieceType[piece] = (ChessSquare) move->to;
12086 counts[move->to]++;
12087 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12088 counts[pieceType[quickBoard[to]]]--;
12089 quickBoard[to] = 0; total--;
12092 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12093 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12094 from = pieceList[piece]; // so this must be King
12095 quickBoard[from] = 0;
12096 pieceList[piece] = to;
12097 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12098 quickBoard[from] = 0; // rook
12099 quickBoard[to] = piece;
12100 to = move->to; piece = move->piece;
12104 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12105 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
12106 quickBoard[from] = 0;
12108 quickBoard[to] = piece;
12109 pieceList[piece] = to;
12111 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12112 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12113 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12114 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12116 static int lastCounts[EmptySquare+1];
12118 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12119 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12120 } else stretch = 0;
12121 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
12130 flipSearch = FALSE;
12131 CopyBoard(soughtBoard, boards[currentMove]);
12132 soughtTotal = MakePieceList(soughtBoard, maxSought);
12133 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12134 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12135 CopyBoard(reverseBoard, boards[currentMove]);
12136 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12137 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12138 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12139 reverseBoard[r][f] = piece;
12141 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12142 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12143 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12144 || (boards[currentMove][CASTLING][2] == NoRights ||
12145 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12146 && (boards[currentMove][CASTLING][5] == NoRights ||
12147 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12150 CopyBoard(flipBoard, soughtBoard);
12151 CopyBoard(rotateBoard, reverseBoard);
12152 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12153 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12154 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12157 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12158 if(appData.searchMode >= 5) {
12159 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12160 MakePieceList(soughtBoard, minSought);
12161 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12163 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12164 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12167 GameInfo dummyInfo;
12168 static int creatingBook;
12171 GameContainsPosition (FILE *f, ListGame *lg)
12173 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12174 int fromX, fromY, toX, toY;
12176 static int initDone=FALSE;
12178 // weed out games based on numerical tag comparison
12179 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12180 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12181 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12182 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12184 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12187 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12188 else CopyBoard(boards[scratch], initialPosition); // default start position
12191 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12192 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12195 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12196 fseek(f, lg->offset, 0);
12199 yyboardindex = scratch;
12200 quickFlag = plyNr+1;
12205 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12211 if(plyNr) return -1; // after we have seen moves, this is for new game
12214 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12215 case ImpossibleMove:
12216 case WhiteWins: // game ends here with these four
12219 case GameUnfinished:
12223 if(appData.testLegality) return -1;
12224 case WhiteCapturesEnPassant:
12225 case BlackCapturesEnPassant:
12226 case WhitePromotion:
12227 case BlackPromotion:
12228 case WhiteNonPromotion:
12229 case BlackNonPromotion:
12231 case WhiteKingSideCastle:
12232 case WhiteQueenSideCastle:
12233 case BlackKingSideCastle:
12234 case BlackQueenSideCastle:
12235 case WhiteKingSideCastleWild:
12236 case WhiteQueenSideCastleWild:
12237 case BlackKingSideCastleWild:
12238 case BlackQueenSideCastleWild:
12239 case WhiteHSideCastleFR:
12240 case WhiteASideCastleFR:
12241 case BlackHSideCastleFR:
12242 case BlackASideCastleFR:
12243 fromX = currentMoveString[0] - AAA;
12244 fromY = currentMoveString[1] - ONE;
12245 toX = currentMoveString[2] - AAA;
12246 toY = currentMoveString[3] - ONE;
12247 promoChar = currentMoveString[4];
12251 fromX = next == WhiteDrop ?
12252 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12253 (int) CharToPiece(ToLower(currentMoveString[0]));
12255 toX = currentMoveString[2] - AAA;
12256 toY = currentMoveString[3] - ONE;
12260 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12262 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12263 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12264 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12265 if(appData.findMirror) {
12266 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12267 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12272 /* Load the nth game from open file f */
12274 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12278 int gn = gameNumber;
12279 ListGame *lg = NULL;
12280 int numPGNTags = 0;
12282 GameMode oldGameMode;
12283 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12285 if (appData.debugMode)
12286 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12288 if (gameMode == Training )
12289 SetTrainingModeOff();
12291 oldGameMode = gameMode;
12292 if (gameMode != BeginningOfGame) {
12293 Reset(FALSE, TRUE);
12297 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12298 fclose(lastLoadGameFP);
12302 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12305 fseek(f, lg->offset, 0);
12306 GameListHighlight(gameNumber);
12307 pos = lg->position;
12311 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12312 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12314 DisplayError(_("Game number out of range"), 0);
12319 if (fseek(f, 0, 0) == -1) {
12320 if (f == lastLoadGameFP ?
12321 gameNumber == lastLoadGameNumber + 1 :
12325 DisplayError(_("Can't seek on game file"), 0);
12330 lastLoadGameFP = f;
12331 lastLoadGameNumber = gameNumber;
12332 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12333 lastLoadGameUseList = useList;
12337 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12338 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12339 lg->gameInfo.black);
12341 } else if (*title != NULLCHAR) {
12342 if (gameNumber > 1) {
12343 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12346 DisplayTitle(title);
12350 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12351 gameMode = PlayFromGameFile;
12355 currentMove = forwardMostMove = backwardMostMove = 0;
12356 CopyBoard(boards[0], initialPosition);
12360 * Skip the first gn-1 games in the file.
12361 * Also skip over anything that precedes an identifiable
12362 * start of game marker, to avoid being confused by
12363 * garbage at the start of the file. Currently
12364 * recognized start of game markers are the move number "1",
12365 * the pattern "gnuchess .* game", the pattern
12366 * "^[#;%] [^ ]* game file", and a PGN tag block.
12367 * A game that starts with one of the latter two patterns
12368 * will also have a move number 1, possibly
12369 * following a position diagram.
12370 * 5-4-02: Let's try being more lenient and allowing a game to
12371 * start with an unnumbered move. Does that break anything?
12373 cm = lastLoadGameStart = EndOfFile;
12375 yyboardindex = forwardMostMove;
12376 cm = (ChessMove) Myylex();
12379 if (cmailMsgLoaded) {
12380 nCmailGames = CMAIL_MAX_GAMES - gn;
12383 DisplayError(_("Game not found in file"), 0);
12390 lastLoadGameStart = cm;
12393 case MoveNumberOne:
12394 switch (lastLoadGameStart) {
12399 case MoveNumberOne:
12401 gn--; /* count this game */
12402 lastLoadGameStart = cm;
12411 switch (lastLoadGameStart) {
12414 case MoveNumberOne:
12416 gn--; /* count this game */
12417 lastLoadGameStart = cm;
12420 lastLoadGameStart = cm; /* game counted already */
12428 yyboardindex = forwardMostMove;
12429 cm = (ChessMove) Myylex();
12430 } while (cm == PGNTag || cm == Comment);
12437 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12438 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12439 != CMAIL_OLD_RESULT) {
12441 cmailResult[ CMAIL_MAX_GAMES
12442 - gn - 1] = CMAIL_OLD_RESULT;
12448 /* Only a NormalMove can be at the start of a game
12449 * without a position diagram. */
12450 if (lastLoadGameStart == EndOfFile ) {
12452 lastLoadGameStart = MoveNumberOne;
12461 if (appData.debugMode)
12462 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12464 if (cm == XBoardGame) {
12465 /* Skip any header junk before position diagram and/or move 1 */
12467 yyboardindex = forwardMostMove;
12468 cm = (ChessMove) Myylex();
12470 if (cm == EndOfFile ||
12471 cm == GNUChessGame || cm == XBoardGame) {
12472 /* Empty game; pretend end-of-file and handle later */
12477 if (cm == MoveNumberOne || cm == PositionDiagram ||
12478 cm == PGNTag || cm == Comment)
12481 } else if (cm == GNUChessGame) {
12482 if (gameInfo.event != NULL) {
12483 free(gameInfo.event);
12485 gameInfo.event = StrSave(yy_text);
12488 startedFromSetupPosition = FALSE;
12489 while (cm == PGNTag) {
12490 if (appData.debugMode)
12491 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12492 err = ParsePGNTag(yy_text, &gameInfo);
12493 if (!err) numPGNTags++;
12495 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12496 if(gameInfo.variant != oldVariant) {
12497 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12498 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12499 InitPosition(TRUE);
12500 oldVariant = gameInfo.variant;
12501 if (appData.debugMode)
12502 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12506 if (gameInfo.fen != NULL) {
12507 Board initial_position;
12508 startedFromSetupPosition = TRUE;
12509 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12511 DisplayError(_("Bad FEN position in file"), 0);
12514 CopyBoard(boards[0], initial_position);
12515 if (blackPlaysFirst) {
12516 currentMove = forwardMostMove = backwardMostMove = 1;
12517 CopyBoard(boards[1], initial_position);
12518 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12519 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12520 timeRemaining[0][1] = whiteTimeRemaining;
12521 timeRemaining[1][1] = blackTimeRemaining;
12522 if (commentList[0] != NULL) {
12523 commentList[1] = commentList[0];
12524 commentList[0] = NULL;
12527 currentMove = forwardMostMove = backwardMostMove = 0;
12529 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12531 initialRulePlies = FENrulePlies;
12532 for( i=0; i< nrCastlingRights; i++ )
12533 initialRights[i] = initial_position[CASTLING][i];
12535 yyboardindex = forwardMostMove;
12536 free(gameInfo.fen);
12537 gameInfo.fen = NULL;
12540 yyboardindex = forwardMostMove;
12541 cm = (ChessMove) Myylex();
12543 /* Handle comments interspersed among the tags */
12544 while (cm == Comment) {
12546 if (appData.debugMode)
12547 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12549 AppendComment(currentMove, p, FALSE);
12550 yyboardindex = forwardMostMove;
12551 cm = (ChessMove) Myylex();
12555 /* don't rely on existence of Event tag since if game was
12556 * pasted from clipboard the Event tag may not exist
12558 if (numPGNTags > 0){
12560 if (gameInfo.variant == VariantNormal) {
12561 VariantClass v = StringToVariant(gameInfo.event);
12562 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12563 if(v < VariantShogi) gameInfo.variant = v;
12566 if( appData.autoDisplayTags ) {
12567 tags = PGNTags(&gameInfo);
12568 TagsPopUp(tags, CmailMsg());
12573 /* Make something up, but don't display it now */
12578 if (cm == PositionDiagram) {
12581 Board initial_position;
12583 if (appData.debugMode)
12584 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12586 if (!startedFromSetupPosition) {
12588 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12589 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12600 initial_position[i][j++] = CharToPiece(*p);
12603 while (*p == ' ' || *p == '\t' ||
12604 *p == '\n' || *p == '\r') p++;
12606 if (strncmp(p, "black", strlen("black"))==0)
12607 blackPlaysFirst = TRUE;
12609 blackPlaysFirst = FALSE;
12610 startedFromSetupPosition = TRUE;
12612 CopyBoard(boards[0], initial_position);
12613 if (blackPlaysFirst) {
12614 currentMove = forwardMostMove = backwardMostMove = 1;
12615 CopyBoard(boards[1], initial_position);
12616 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12617 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12618 timeRemaining[0][1] = whiteTimeRemaining;
12619 timeRemaining[1][1] = blackTimeRemaining;
12620 if (commentList[0] != NULL) {
12621 commentList[1] = commentList[0];
12622 commentList[0] = NULL;
12625 currentMove = forwardMostMove = backwardMostMove = 0;
12628 yyboardindex = forwardMostMove;
12629 cm = (ChessMove) Myylex();
12632 if(!creatingBook) {
12633 if (first.pr == NoProc) {
12634 StartChessProgram(&first);
12636 InitChessProgram(&first, FALSE);
12637 SendToProgram("force\n", &first);
12638 if (startedFromSetupPosition) {
12639 SendBoard(&first, forwardMostMove);
12640 if (appData.debugMode) {
12641 fprintf(debugFP, "Load Game\n");
12643 DisplayBothClocks();
12647 /* [HGM] server: flag to write setup moves in broadcast file as one */
12648 loadFlag = appData.suppressLoadMoves;
12650 while (cm == Comment) {
12652 if (appData.debugMode)
12653 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12655 AppendComment(currentMove, p, FALSE);
12656 yyboardindex = forwardMostMove;
12657 cm = (ChessMove) Myylex();
12660 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12661 cm == WhiteWins || cm == BlackWins ||
12662 cm == GameIsDrawn || cm == GameUnfinished) {
12663 DisplayMessage("", _("No moves in game"));
12664 if (cmailMsgLoaded) {
12665 if (appData.debugMode)
12666 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12670 DrawPosition(FALSE, boards[currentMove]);
12671 DisplayBothClocks();
12672 gameMode = EditGame;
12679 // [HGM] PV info: routine tests if comment empty
12680 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12681 DisplayComment(currentMove - 1, commentList[currentMove]);
12683 if (!matchMode && appData.timeDelay != 0)
12684 DrawPosition(FALSE, boards[currentMove]);
12686 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12687 programStats.ok_to_send = 1;
12690 /* if the first token after the PGN tags is a move
12691 * and not move number 1, retrieve it from the parser
12693 if (cm != MoveNumberOne)
12694 LoadGameOneMove(cm);
12696 /* load the remaining moves from the file */
12697 while (LoadGameOneMove(EndOfFile)) {
12698 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12699 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12702 /* rewind to the start of the game */
12703 currentMove = backwardMostMove;
12705 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12707 if (oldGameMode == AnalyzeFile) {
12708 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12709 AnalyzeFileEvent();
12711 if (oldGameMode == AnalyzeMode) {
12712 AnalyzeFileEvent();
12715 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
12716 long int w, b; // [HGM] adjourn: restore saved clock times
12717 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
12718 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
12719 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
12720 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
12724 if(creatingBook) return TRUE;
12725 if (!matchMode && pos > 0) {
12726 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12728 if (matchMode || appData.timeDelay == 0) {
12730 } else if (appData.timeDelay > 0) {
12731 AutoPlayGameLoop();
12734 if (appData.debugMode)
12735 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12737 loadFlag = 0; /* [HGM] true game starts */
12741 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12743 ReloadPosition (int offset)
12745 int positionNumber = lastLoadPositionNumber + offset;
12746 if (lastLoadPositionFP == NULL) {
12747 DisplayError(_("No position has been loaded yet"), 0);
12750 if (positionNumber <= 0) {
12751 DisplayError(_("Can't back up any further"), 0);
12754 return LoadPosition(lastLoadPositionFP, positionNumber,
12755 lastLoadPositionTitle);
12758 /* Load the nth position from the given file */
12760 LoadPositionFromFile (char *filename, int n, char *title)
12765 if (strcmp(filename, "-") == 0) {
12766 return LoadPosition(stdin, n, "stdin");
12768 f = fopen(filename, "rb");
12770 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12771 DisplayError(buf, errno);
12774 return LoadPosition(f, n, title);
12779 /* Load the nth position from the given open file, and close it */
12781 LoadPosition (FILE *f, int positionNumber, char *title)
12783 char *p, line[MSG_SIZ];
12784 Board initial_position;
12785 int i, j, fenMode, pn;
12787 if (gameMode == Training )
12788 SetTrainingModeOff();
12790 if (gameMode != BeginningOfGame) {
12791 Reset(FALSE, TRUE);
12793 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12794 fclose(lastLoadPositionFP);
12796 if (positionNumber == 0) positionNumber = 1;
12797 lastLoadPositionFP = f;
12798 lastLoadPositionNumber = positionNumber;
12799 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12800 if (first.pr == NoProc && !appData.noChessProgram) {
12801 StartChessProgram(&first);
12802 InitChessProgram(&first, FALSE);
12804 pn = positionNumber;
12805 if (positionNumber < 0) {
12806 /* Negative position number means to seek to that byte offset */
12807 if (fseek(f, -positionNumber, 0) == -1) {
12808 DisplayError(_("Can't seek on position file"), 0);
12813 if (fseek(f, 0, 0) == -1) {
12814 if (f == lastLoadPositionFP ?
12815 positionNumber == lastLoadPositionNumber + 1 :
12816 positionNumber == 1) {
12819 DisplayError(_("Can't seek on position file"), 0);
12824 /* See if this file is FEN or old-style xboard */
12825 if (fgets(line, MSG_SIZ, f) == NULL) {
12826 DisplayError(_("Position not found in file"), 0);
12829 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12830 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12833 if (fenMode || line[0] == '#') pn--;
12835 /* skip positions before number pn */
12836 if (fgets(line, MSG_SIZ, f) == NULL) {
12838 DisplayError(_("Position not found in file"), 0);
12841 if (fenMode || line[0] == '#') pn--;
12846 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
12847 DisplayError(_("Bad FEN position in file"), 0);
12851 (void) fgets(line, MSG_SIZ, f);
12852 (void) fgets(line, MSG_SIZ, f);
12854 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12855 (void) fgets(line, MSG_SIZ, f);
12856 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12859 initial_position[i][j++] = CharToPiece(*p);
12863 blackPlaysFirst = FALSE;
12865 (void) fgets(line, MSG_SIZ, f);
12866 if (strncmp(line, "black", strlen("black"))==0)
12867 blackPlaysFirst = TRUE;
12870 startedFromSetupPosition = TRUE;
12872 CopyBoard(boards[0], initial_position);
12873 if (blackPlaysFirst) {
12874 currentMove = forwardMostMove = backwardMostMove = 1;
12875 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12876 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12877 CopyBoard(boards[1], initial_position);
12878 DisplayMessage("", _("Black to play"));
12880 currentMove = forwardMostMove = backwardMostMove = 0;
12881 DisplayMessage("", _("White to play"));
12883 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12884 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12885 SendToProgram("force\n", &first);
12886 SendBoard(&first, forwardMostMove);
12888 if (appData.debugMode) {
12890 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12891 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12892 fprintf(debugFP, "Load Position\n");
12895 if (positionNumber > 1) {
12896 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12897 DisplayTitle(line);
12899 DisplayTitle(title);
12901 gameMode = EditGame;
12904 timeRemaining[0][1] = whiteTimeRemaining;
12905 timeRemaining[1][1] = blackTimeRemaining;
12906 DrawPosition(FALSE, boards[currentMove]);
12913 CopyPlayerNameIntoFileName (char **dest, char *src)
12915 while (*src != NULLCHAR && *src != ',') {
12920 *(*dest)++ = *src++;
12926 DefaultFileName (char *ext)
12928 static char def[MSG_SIZ];
12931 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12933 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12935 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12937 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12944 /* Save the current game to the given file */
12946 SaveGameToFile (char *filename, int append)
12950 int result, i, t,tot=0;
12952 if (strcmp(filename, "-") == 0) {
12953 return SaveGame(stdout, 0, NULL);
12955 for(i=0; i<10; i++) { // upto 10 tries
12956 f = fopen(filename, append ? "a" : "w");
12957 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12958 if(f || errno != 13) break;
12959 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12963 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12964 DisplayError(buf, errno);
12967 safeStrCpy(buf, lastMsg, MSG_SIZ);
12968 DisplayMessage(_("Waiting for access to save file"), "");
12969 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12970 DisplayMessage(_("Saving game"), "");
12971 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12972 result = SaveGame(f, 0, NULL);
12973 DisplayMessage(buf, "");
12980 SavePart (char *str)
12982 static char buf[MSG_SIZ];
12985 p = strchr(str, ' ');
12986 if (p == NULL) return str;
12987 strncpy(buf, str, p - str);
12988 buf[p - str] = NULLCHAR;
12992 #define PGN_MAX_LINE 75
12994 #define PGN_SIDE_WHITE 0
12995 #define PGN_SIDE_BLACK 1
12998 FindFirstMoveOutOfBook (int side)
13002 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13003 int index = backwardMostMove;
13004 int has_book_hit = 0;
13006 if( (index % 2) != side ) {
13010 while( index < forwardMostMove ) {
13011 /* Check to see if engine is in book */
13012 int depth = pvInfoList[index].depth;
13013 int score = pvInfoList[index].score;
13019 else if( score == 0 && depth == 63 ) {
13020 in_book = 1; /* Zappa */
13022 else if( score == 2 && depth == 99 ) {
13023 in_book = 1; /* Abrok */
13026 has_book_hit += in_book;
13042 GetOutOfBookInfo (char * buf)
13046 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13048 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13049 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13053 if( oob[0] >= 0 || oob[1] >= 0 ) {
13054 for( i=0; i<2; i++ ) {
13058 if( i > 0 && oob[0] >= 0 ) {
13059 strcat( buf, " " );
13062 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13063 sprintf( buf+strlen(buf), "%s%.2f",
13064 pvInfoList[idx].score >= 0 ? "+" : "",
13065 pvInfoList[idx].score / 100.0 );
13071 /* Save game in PGN style and close the file */
13073 SaveGamePGN (FILE *f)
13075 int i, offset, linelen, newblock;
13078 int movelen, numlen, blank;
13079 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13081 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13083 PrintPGNTags(f, &gameInfo);
13085 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13087 if (backwardMostMove > 0 || startedFromSetupPosition) {
13088 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13089 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13090 fprintf(f, "\n{--------------\n");
13091 PrintPosition(f, backwardMostMove);
13092 fprintf(f, "--------------}\n");
13096 /* [AS] Out of book annotation */
13097 if( appData.saveOutOfBookInfo ) {
13100 GetOutOfBookInfo( buf );
13102 if( buf[0] != '\0' ) {
13103 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13110 i = backwardMostMove;
13114 while (i < forwardMostMove) {
13115 /* Print comments preceding this move */
13116 if (commentList[i] != NULL) {
13117 if (linelen > 0) fprintf(f, "\n");
13118 fprintf(f, "%s", commentList[i]);
13123 /* Format move number */
13125 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13128 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13130 numtext[0] = NULLCHAR;
13132 numlen = strlen(numtext);
13135 /* Print move number */
13136 blank = linelen > 0 && numlen > 0;
13137 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13146 fprintf(f, "%s", numtext);
13150 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13151 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13154 blank = linelen > 0 && movelen > 0;
13155 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13164 fprintf(f, "%s", move_buffer);
13165 linelen += movelen;
13167 /* [AS] Add PV info if present */
13168 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13169 /* [HGM] add time */
13170 char buf[MSG_SIZ]; int seconds;
13172 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13178 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13181 seconds = (seconds + 4)/10; // round to full seconds
13183 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13185 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13188 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13189 pvInfoList[i].score >= 0 ? "+" : "",
13190 pvInfoList[i].score / 100.0,
13191 pvInfoList[i].depth,
13194 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13196 /* Print score/depth */
13197 blank = linelen > 0 && movelen > 0;
13198 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13207 fprintf(f, "%s", move_buffer);
13208 linelen += movelen;
13214 /* Start a new line */
13215 if (linelen > 0) fprintf(f, "\n");
13217 /* Print comments after last move */
13218 if (commentList[i] != NULL) {
13219 fprintf(f, "%s\n", commentList[i]);
13223 if (gameInfo.resultDetails != NULL &&
13224 gameInfo.resultDetails[0] != NULLCHAR) {
13225 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13226 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13227 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13228 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13229 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13231 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13235 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13239 /* Save game in old style and close the file */
13241 SaveGameOldStyle (FILE *f)
13246 tm = time((time_t *) NULL);
13248 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13251 if (backwardMostMove > 0 || startedFromSetupPosition) {
13252 fprintf(f, "\n[--------------\n");
13253 PrintPosition(f, backwardMostMove);
13254 fprintf(f, "--------------]\n");
13259 i = backwardMostMove;
13260 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13262 while (i < forwardMostMove) {
13263 if (commentList[i] != NULL) {
13264 fprintf(f, "[%s]\n", commentList[i]);
13267 if ((i % 2) == 1) {
13268 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13271 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13273 if (commentList[i] != NULL) {
13277 if (i >= forwardMostMove) {
13281 fprintf(f, "%s\n", parseList[i]);
13286 if (commentList[i] != NULL) {
13287 fprintf(f, "[%s]\n", commentList[i]);
13290 /* This isn't really the old style, but it's close enough */
13291 if (gameInfo.resultDetails != NULL &&
13292 gameInfo.resultDetails[0] != NULLCHAR) {
13293 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13294 gameInfo.resultDetails);
13296 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13303 /* Save the current game to open file f and close the file */
13305 SaveGame (FILE *f, int dummy, char *dummy2)
13307 if (gameMode == EditPosition) EditPositionDone(TRUE);
13308 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13309 if (appData.oldSaveStyle)
13310 return SaveGameOldStyle(f);
13312 return SaveGamePGN(f);
13315 /* Save the current position to the given file */
13317 SavePositionToFile (char *filename)
13322 if (strcmp(filename, "-") == 0) {
13323 return SavePosition(stdout, 0, NULL);
13325 f = fopen(filename, "a");
13327 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13328 DisplayError(buf, errno);
13331 safeStrCpy(buf, lastMsg, MSG_SIZ);
13332 DisplayMessage(_("Waiting for access to save file"), "");
13333 flock(fileno(f), LOCK_EX); // [HGM] lock
13334 DisplayMessage(_("Saving position"), "");
13335 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13336 SavePosition(f, 0, NULL);
13337 DisplayMessage(buf, "");
13343 /* Save the current position to the given open file and close the file */
13345 SavePosition (FILE *f, int dummy, char *dummy2)
13350 if (gameMode == EditPosition) EditPositionDone(TRUE);
13351 if (appData.oldSaveStyle) {
13352 tm = time((time_t *) NULL);
13354 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13356 fprintf(f, "[--------------\n");
13357 PrintPosition(f, currentMove);
13358 fprintf(f, "--------------]\n");
13360 fen = PositionToFEN(currentMove, NULL, 1);
13361 fprintf(f, "%s\n", fen);
13369 ReloadCmailMsgEvent (int unregister)
13372 static char *inFilename = NULL;
13373 static char *outFilename;
13375 struct stat inbuf, outbuf;
13378 /* Any registered moves are unregistered if unregister is set, */
13379 /* i.e. invoked by the signal handler */
13381 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13382 cmailMoveRegistered[i] = FALSE;
13383 if (cmailCommentList[i] != NULL) {
13384 free(cmailCommentList[i]);
13385 cmailCommentList[i] = NULL;
13388 nCmailMovesRegistered = 0;
13391 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13392 cmailResult[i] = CMAIL_NOT_RESULT;
13396 if (inFilename == NULL) {
13397 /* Because the filenames are static they only get malloced once */
13398 /* and they never get freed */
13399 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13400 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13402 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13403 sprintf(outFilename, "%s.out", appData.cmailGameName);
13406 status = stat(outFilename, &outbuf);
13408 cmailMailedMove = FALSE;
13410 status = stat(inFilename, &inbuf);
13411 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13414 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13415 counts the games, notes how each one terminated, etc.
13417 It would be nice to remove this kludge and instead gather all
13418 the information while building the game list. (And to keep it
13419 in the game list nodes instead of having a bunch of fixed-size
13420 parallel arrays.) Note this will require getting each game's
13421 termination from the PGN tags, as the game list builder does
13422 not process the game moves. --mann
13424 cmailMsgLoaded = TRUE;
13425 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13427 /* Load first game in the file or popup game menu */
13428 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13430 #endif /* !WIN32 */
13438 char string[MSG_SIZ];
13440 if ( cmailMailedMove
13441 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13442 return TRUE; /* Allow free viewing */
13445 /* Unregister move to ensure that we don't leave RegisterMove */
13446 /* with the move registered when the conditions for registering no */
13448 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13449 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13450 nCmailMovesRegistered --;
13452 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13454 free(cmailCommentList[lastLoadGameNumber - 1]);
13455 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13459 if (cmailOldMove == -1) {
13460 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13464 if (currentMove > cmailOldMove + 1) {
13465 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13469 if (currentMove < cmailOldMove) {
13470 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13474 if (forwardMostMove > currentMove) {
13475 /* Silently truncate extra moves */
13479 if ( (currentMove == cmailOldMove + 1)
13480 || ( (currentMove == cmailOldMove)
13481 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13482 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13483 if (gameInfo.result != GameUnfinished) {
13484 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13487 if (commentList[currentMove] != NULL) {
13488 cmailCommentList[lastLoadGameNumber - 1]
13489 = StrSave(commentList[currentMove]);
13491 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13493 if (appData.debugMode)
13494 fprintf(debugFP, "Saving %s for game %d\n",
13495 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13497 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13499 f = fopen(string, "w");
13500 if (appData.oldSaveStyle) {
13501 SaveGameOldStyle(f); /* also closes the file */
13503 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13504 f = fopen(string, "w");
13505 SavePosition(f, 0, NULL); /* also closes the file */
13507 fprintf(f, "{--------------\n");
13508 PrintPosition(f, currentMove);
13509 fprintf(f, "--------------}\n\n");
13511 SaveGame(f, 0, NULL); /* also closes the file*/
13514 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13515 nCmailMovesRegistered ++;
13516 } else if (nCmailGames == 1) {
13517 DisplayError(_("You have not made a move yet"), 0);
13528 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13529 FILE *commandOutput;
13530 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13531 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13537 if (! cmailMsgLoaded) {
13538 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13542 if (nCmailGames == nCmailResults) {
13543 DisplayError(_("No unfinished games"), 0);
13547 #if CMAIL_PROHIBIT_REMAIL
13548 if (cmailMailedMove) {
13549 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);
13550 DisplayError(msg, 0);
13555 if (! (cmailMailedMove || RegisterMove())) return;
13557 if ( cmailMailedMove
13558 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13559 snprintf(string, MSG_SIZ, partCommandString,
13560 appData.debugMode ? " -v" : "", appData.cmailGameName);
13561 commandOutput = popen(string, "r");
13563 if (commandOutput == NULL) {
13564 DisplayError(_("Failed to invoke cmail"), 0);
13566 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13567 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13569 if (nBuffers > 1) {
13570 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13571 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13572 nBytes = MSG_SIZ - 1;
13574 (void) memcpy(msg, buffer, nBytes);
13576 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13578 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13579 cmailMailedMove = TRUE; /* Prevent >1 moves */
13582 for (i = 0; i < nCmailGames; i ++) {
13583 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13588 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13590 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13592 appData.cmailGameName,
13594 LoadGameFromFile(buffer, 1, buffer, FALSE);
13595 cmailMsgLoaded = FALSE;
13599 DisplayInformation(msg);
13600 pclose(commandOutput);
13603 if ((*cmailMsg) != '\0') {
13604 DisplayInformation(cmailMsg);
13609 #endif /* !WIN32 */
13618 int prependComma = 0;
13620 char string[MSG_SIZ]; /* Space for game-list */
13623 if (!cmailMsgLoaded) return "";
13625 if (cmailMailedMove) {
13626 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13628 /* Create a list of games left */
13629 snprintf(string, MSG_SIZ, "[");
13630 for (i = 0; i < nCmailGames; i ++) {
13631 if (! ( cmailMoveRegistered[i]
13632 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13633 if (prependComma) {
13634 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13636 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13640 strcat(string, number);
13643 strcat(string, "]");
13645 if (nCmailMovesRegistered + nCmailResults == 0) {
13646 switch (nCmailGames) {
13648 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13652 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13656 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13661 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13663 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13668 if (nCmailResults == nCmailGames) {
13669 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13671 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13676 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13688 if (gameMode == Training)
13689 SetTrainingModeOff();
13692 cmailMsgLoaded = FALSE;
13693 if (appData.icsActive) {
13694 SendToICS(ics_prefix);
13695 SendToICS("refresh\n");
13700 ExitEvent (int status)
13704 /* Give up on clean exit */
13708 /* Keep trying for clean exit */
13712 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13714 if (telnetISR != NULL) {
13715 RemoveInputSource(telnetISR);
13717 if (icsPR != NoProc) {
13718 DestroyChildProcess(icsPR, TRUE);
13721 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13722 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13724 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13725 /* make sure this other one finishes before killing it! */
13726 if(endingGame) { int count = 0;
13727 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13728 while(endingGame && count++ < 10) DoSleep(1);
13729 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13732 /* Kill off chess programs */
13733 if (first.pr != NoProc) {
13736 DoSleep( appData.delayBeforeQuit );
13737 SendToProgram("quit\n", &first);
13738 DoSleep( appData.delayAfterQuit );
13739 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13741 if (second.pr != NoProc) {
13742 DoSleep( appData.delayBeforeQuit );
13743 SendToProgram("quit\n", &second);
13744 DoSleep( appData.delayAfterQuit );
13745 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13747 if (first.isr != NULL) {
13748 RemoveInputSource(first.isr);
13750 if (second.isr != NULL) {
13751 RemoveInputSource(second.isr);
13754 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13755 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13757 ShutDownFrontEnd();
13762 PauseEngine (ChessProgramState *cps)
13764 SendToProgram("pause\n", cps);
13769 UnPauseEngine (ChessProgramState *cps)
13771 SendToProgram("resume\n", cps);
13778 if (appData.debugMode)
13779 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13783 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13785 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13786 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13787 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13789 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13790 HandleMachineMove(stashedInputMove, stalledEngine);
13791 stalledEngine = NULL;
13794 if (gameMode == MachinePlaysWhite ||
13795 gameMode == TwoMachinesPlay ||
13796 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13797 if(first.pause) UnPauseEngine(&first);
13798 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13799 if(second.pause) UnPauseEngine(&second);
13800 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13803 DisplayBothClocks();
13805 if (gameMode == PlayFromGameFile) {
13806 if (appData.timeDelay >= 0)
13807 AutoPlayGameLoop();
13808 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13809 Reset(FALSE, TRUE);
13810 SendToICS(ics_prefix);
13811 SendToICS("refresh\n");
13812 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13813 ForwardInner(forwardMostMove);
13815 pauseExamInvalid = FALSE;
13817 switch (gameMode) {
13821 pauseExamForwardMostMove = forwardMostMove;
13822 pauseExamInvalid = FALSE;
13825 case IcsPlayingWhite:
13826 case IcsPlayingBlack:
13830 case PlayFromGameFile:
13831 (void) StopLoadGameTimer();
13835 case BeginningOfGame:
13836 if (appData.icsActive) return;
13837 /* else fall through */
13838 case MachinePlaysWhite:
13839 case MachinePlaysBlack:
13840 case TwoMachinesPlay:
13841 if (forwardMostMove == 0)
13842 return; /* don't pause if no one has moved */
13843 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13844 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13845 if(onMove->pause) { // thinking engine can be paused
13846 PauseEngine(onMove); // do it
13847 if(onMove->other->pause) // pondering opponent can always be paused immediately
13848 PauseEngine(onMove->other);
13850 SendToProgram("easy\n", onMove->other);
13852 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13853 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13855 PauseEngine(&first);
13857 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13858 } else { // human on move, pause pondering by either method
13860 PauseEngine(&first);
13861 else if(appData.ponderNextMove)
13862 SendToProgram("easy\n", &first);
13865 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13875 EditCommentEvent ()
13877 char title[MSG_SIZ];
13879 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13880 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13882 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13883 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13884 parseList[currentMove - 1]);
13887 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13894 char *tags = PGNTags(&gameInfo);
13896 EditTagsPopUp(tags, NULL);
13903 if(second.analyzing) {
13904 SendToProgram("exit\n", &second);
13905 second.analyzing = FALSE;
13907 if (second.pr == NoProc) StartChessProgram(&second);
13908 InitChessProgram(&second, FALSE);
13909 FeedMovesToProgram(&second, currentMove);
13911 SendToProgram("analyze\n", &second);
13912 second.analyzing = TRUE;
13916 /* Toggle ShowThinking */
13918 ToggleShowThinking()
13920 appData.showThinking = !appData.showThinking;
13921 ShowThinkingEvent();
13925 AnalyzeModeEvent ()
13929 if (!first.analysisSupport) {
13930 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13931 DisplayError(buf, 0);
13934 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13935 if (appData.icsActive) {
13936 if (gameMode != IcsObserving) {
13937 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13938 DisplayError(buf, 0);
13940 if (appData.icsEngineAnalyze) {
13941 if (appData.debugMode)
13942 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13948 /* if enable, user wants to disable icsEngineAnalyze */
13949 if (appData.icsEngineAnalyze) {
13954 appData.icsEngineAnalyze = TRUE;
13955 if (appData.debugMode)
13956 fprintf(debugFP, "ICS engine analyze starting... \n");
13959 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13960 if (appData.noChessProgram || gameMode == AnalyzeMode)
13963 if (gameMode != AnalyzeFile) {
13964 if (!appData.icsEngineAnalyze) {
13966 if (gameMode != EditGame) return 0;
13968 if (!appData.showThinking) ToggleShowThinking();
13969 ResurrectChessProgram();
13970 SendToProgram("analyze\n", &first);
13971 first.analyzing = TRUE;
13972 /*first.maybeThinking = TRUE;*/
13973 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13974 EngineOutputPopUp();
13976 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13981 StartAnalysisClock();
13982 GetTimeMark(&lastNodeCountTime);
13988 AnalyzeFileEvent ()
13990 if (appData.noChessProgram || gameMode == AnalyzeFile)
13993 if (!first.analysisSupport) {
13995 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13996 DisplayError(buf, 0);
14000 if (gameMode != AnalyzeMode) {
14001 keepInfo = 1; // mere annotating should not alter PGN tags
14004 if (gameMode != EditGame) return;
14005 if (!appData.showThinking) ToggleShowThinking();
14006 ResurrectChessProgram();
14007 SendToProgram("analyze\n", &first);
14008 first.analyzing = TRUE;
14009 /*first.maybeThinking = TRUE;*/
14010 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14011 EngineOutputPopUp();
14013 gameMode = AnalyzeFile;
14017 StartAnalysisClock();
14018 GetTimeMark(&lastNodeCountTime);
14020 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14021 AnalysisPeriodicEvent(1);
14025 MachineWhiteEvent ()
14028 char *bookHit = NULL;
14030 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14034 if (gameMode == PlayFromGameFile ||
14035 gameMode == TwoMachinesPlay ||
14036 gameMode == Training ||
14037 gameMode == AnalyzeMode ||
14038 gameMode == EndOfGame)
14041 if (gameMode == EditPosition)
14042 EditPositionDone(TRUE);
14044 if (!WhiteOnMove(currentMove)) {
14045 DisplayError(_("It is not White's turn"), 0);
14049 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14052 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14053 gameMode == AnalyzeFile)
14056 ResurrectChessProgram(); /* in case it isn't running */
14057 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14058 gameMode = MachinePlaysWhite;
14061 gameMode = MachinePlaysWhite;
14065 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14067 if (first.sendName) {
14068 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14069 SendToProgram(buf, &first);
14071 if (first.sendTime) {
14072 if (first.useColors) {
14073 SendToProgram("black\n", &first); /*gnu kludge*/
14075 SendTimeRemaining(&first, TRUE);
14077 if (first.useColors) {
14078 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14080 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14081 SetMachineThinkingEnables();
14082 first.maybeThinking = TRUE;
14086 if (appData.autoFlipView && !flipView) {
14087 flipView = !flipView;
14088 DrawPosition(FALSE, NULL);
14089 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14092 if(bookHit) { // [HGM] book: simulate book reply
14093 static char bookMove[MSG_SIZ]; // a bit generous?
14095 programStats.nodes = programStats.depth = programStats.time =
14096 programStats.score = programStats.got_only_move = 0;
14097 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14099 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14100 strcat(bookMove, bookHit);
14101 HandleMachineMove(bookMove, &first);
14106 MachineBlackEvent ()
14109 char *bookHit = NULL;
14111 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14115 if (gameMode == PlayFromGameFile ||
14116 gameMode == TwoMachinesPlay ||
14117 gameMode == Training ||
14118 gameMode == AnalyzeMode ||
14119 gameMode == EndOfGame)
14122 if (gameMode == EditPosition)
14123 EditPositionDone(TRUE);
14125 if (WhiteOnMove(currentMove)) {
14126 DisplayError(_("It is not Black's turn"), 0);
14130 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14133 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14134 gameMode == AnalyzeFile)
14137 ResurrectChessProgram(); /* in case it isn't running */
14138 gameMode = MachinePlaysBlack;
14142 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14144 if (first.sendName) {
14145 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14146 SendToProgram(buf, &first);
14148 if (first.sendTime) {
14149 if (first.useColors) {
14150 SendToProgram("white\n", &first); /*gnu kludge*/
14152 SendTimeRemaining(&first, FALSE);
14154 if (first.useColors) {
14155 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14157 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14158 SetMachineThinkingEnables();
14159 first.maybeThinking = TRUE;
14162 if (appData.autoFlipView && flipView) {
14163 flipView = !flipView;
14164 DrawPosition(FALSE, NULL);
14165 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14167 if(bookHit) { // [HGM] book: simulate book reply
14168 static char bookMove[MSG_SIZ]; // a bit generous?
14170 programStats.nodes = programStats.depth = programStats.time =
14171 programStats.score = programStats.got_only_move = 0;
14172 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14174 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14175 strcat(bookMove, bookHit);
14176 HandleMachineMove(bookMove, &first);
14182 DisplayTwoMachinesTitle ()
14185 if (appData.matchGames > 0) {
14186 if(appData.tourneyFile[0]) {
14187 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14188 gameInfo.white, _("vs."), gameInfo.black,
14189 nextGame+1, appData.matchGames+1,
14190 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14192 if (first.twoMachinesColor[0] == 'w') {
14193 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14194 gameInfo.white, _("vs."), gameInfo.black,
14195 first.matchWins, second.matchWins,
14196 matchGame - 1 - (first.matchWins + second.matchWins));
14198 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14199 gameInfo.white, _("vs."), gameInfo.black,
14200 second.matchWins, first.matchWins,
14201 matchGame - 1 - (first.matchWins + second.matchWins));
14204 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14210 SettingsMenuIfReady ()
14212 if (second.lastPing != second.lastPong) {
14213 DisplayMessage("", _("Waiting for second chess program"));
14214 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14218 DisplayMessage("", "");
14219 SettingsPopUp(&second);
14223 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14226 if (cps->pr == NoProc) {
14227 StartChessProgram(cps);
14228 if (cps->protocolVersion == 1) {
14230 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14232 /* kludge: allow timeout for initial "feature" command */
14233 if(retry != TwoMachinesEventIfReady) FreezeUI();
14234 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14235 DisplayMessage("", buf);
14236 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14244 TwoMachinesEvent P((void))
14248 ChessProgramState *onmove;
14249 char *bookHit = NULL;
14250 static int stalling = 0;
14254 if (appData.noChessProgram) return;
14256 switch (gameMode) {
14257 case TwoMachinesPlay:
14259 case MachinePlaysWhite:
14260 case MachinePlaysBlack:
14261 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14262 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14266 case BeginningOfGame:
14267 case PlayFromGameFile:
14270 if (gameMode != EditGame) return;
14273 EditPositionDone(TRUE);
14284 // forwardMostMove = currentMove;
14285 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14286 startingEngine = TRUE;
14288 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14290 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14291 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14292 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14295 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14297 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14298 startingEngine = FALSE;
14299 DisplayError("second engine does not play this", 0);
14304 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14305 SendToProgram("force\n", &second);
14307 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14310 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14311 if(appData.matchPause>10000 || appData.matchPause<10)
14312 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14313 wait = SubtractTimeMarks(&now, &pauseStart);
14314 if(wait < appData.matchPause) {
14315 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14318 // we are now committed to starting the game
14320 DisplayMessage("", "");
14321 if (startedFromSetupPosition) {
14322 SendBoard(&second, backwardMostMove);
14323 if (appData.debugMode) {
14324 fprintf(debugFP, "Two Machines\n");
14327 for (i = backwardMostMove; i < forwardMostMove; i++) {
14328 SendMoveToProgram(i, &second);
14331 gameMode = TwoMachinesPlay;
14332 pausing = startingEngine = FALSE;
14333 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14335 DisplayTwoMachinesTitle();
14337 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14342 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14343 SendToProgram(first.computerString, &first);
14344 if (first.sendName) {
14345 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14346 SendToProgram(buf, &first);
14348 SendToProgram(second.computerString, &second);
14349 if (second.sendName) {
14350 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14351 SendToProgram(buf, &second);
14355 if (!first.sendTime || !second.sendTime) {
14356 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14357 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14359 if (onmove->sendTime) {
14360 if (onmove->useColors) {
14361 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14363 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14365 if (onmove->useColors) {
14366 SendToProgram(onmove->twoMachinesColor, onmove);
14368 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14369 // SendToProgram("go\n", onmove);
14370 onmove->maybeThinking = TRUE;
14371 SetMachineThinkingEnables();
14375 if(bookHit) { // [HGM] book: simulate book reply
14376 static char bookMove[MSG_SIZ]; // a bit generous?
14378 programStats.nodes = programStats.depth = programStats.time =
14379 programStats.score = programStats.got_only_move = 0;
14380 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14382 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14383 strcat(bookMove, bookHit);
14384 savedMessage = bookMove; // args for deferred call
14385 savedState = onmove;
14386 ScheduleDelayedEvent(DeferredBookMove, 1);
14393 if (gameMode == Training) {
14394 SetTrainingModeOff();
14395 gameMode = PlayFromGameFile;
14396 DisplayMessage("", _("Training mode off"));
14398 gameMode = Training;
14399 animateTraining = appData.animate;
14401 /* make sure we are not already at the end of the game */
14402 if (currentMove < forwardMostMove) {
14403 SetTrainingModeOn();
14404 DisplayMessage("", _("Training mode on"));
14406 gameMode = PlayFromGameFile;
14407 DisplayError(_("Already at end of game"), 0);
14416 if (!appData.icsActive) return;
14417 switch (gameMode) {
14418 case IcsPlayingWhite:
14419 case IcsPlayingBlack:
14422 case BeginningOfGame:
14430 EditPositionDone(TRUE);
14443 gameMode = IcsIdle;
14453 switch (gameMode) {
14455 SetTrainingModeOff();
14457 case MachinePlaysWhite:
14458 case MachinePlaysBlack:
14459 case BeginningOfGame:
14460 SendToProgram("force\n", &first);
14461 SetUserThinkingEnables();
14463 case PlayFromGameFile:
14464 (void) StopLoadGameTimer();
14465 if (gameFileFP != NULL) {
14470 EditPositionDone(TRUE);
14475 SendToProgram("force\n", &first);
14477 case TwoMachinesPlay:
14478 GameEnds(EndOfFile, NULL, GE_PLAYER);
14479 ResurrectChessProgram();
14480 SetUserThinkingEnables();
14483 ResurrectChessProgram();
14485 case IcsPlayingBlack:
14486 case IcsPlayingWhite:
14487 DisplayError(_("Warning: You are still playing a game"), 0);
14490 DisplayError(_("Warning: You are still observing a game"), 0);
14493 DisplayError(_("Warning: You are still examining a game"), 0);
14504 first.offeredDraw = second.offeredDraw = 0;
14506 if (gameMode == PlayFromGameFile) {
14507 whiteTimeRemaining = timeRemaining[0][currentMove];
14508 blackTimeRemaining = timeRemaining[1][currentMove];
14512 if (gameMode == MachinePlaysWhite ||
14513 gameMode == MachinePlaysBlack ||
14514 gameMode == TwoMachinesPlay ||
14515 gameMode == EndOfGame) {
14516 i = forwardMostMove;
14517 while (i > currentMove) {
14518 SendToProgram("undo\n", &first);
14521 if(!adjustedClock) {
14522 whiteTimeRemaining = timeRemaining[0][currentMove];
14523 blackTimeRemaining = timeRemaining[1][currentMove];
14524 DisplayBothClocks();
14526 if (whiteFlag || blackFlag) {
14527 whiteFlag = blackFlag = 0;
14532 gameMode = EditGame;
14539 EditPositionEvent ()
14541 if (gameMode == EditPosition) {
14547 if (gameMode != EditGame) return;
14549 gameMode = EditPosition;
14552 if (currentMove > 0)
14553 CopyBoard(boards[0], boards[currentMove]);
14555 blackPlaysFirst = !WhiteOnMove(currentMove);
14557 currentMove = forwardMostMove = backwardMostMove = 0;
14558 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14560 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14566 /* [DM] icsEngineAnalyze - possible call from other functions */
14567 if (appData.icsEngineAnalyze) {
14568 appData.icsEngineAnalyze = FALSE;
14570 DisplayMessage("",_("Close ICS engine analyze..."));
14572 if (first.analysisSupport && first.analyzing) {
14573 SendToBoth("exit\n");
14574 first.analyzing = second.analyzing = FALSE;
14576 thinkOutput[0] = NULLCHAR;
14580 EditPositionDone (Boolean fakeRights)
14582 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14584 startedFromSetupPosition = TRUE;
14585 InitChessProgram(&first, FALSE);
14586 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14587 boards[0][EP_STATUS] = EP_NONE;
14588 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14589 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14590 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14591 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14592 } else boards[0][CASTLING][2] = NoRights;
14593 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14594 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14595 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14596 } else boards[0][CASTLING][5] = NoRights;
14597 if(gameInfo.variant == VariantSChess) {
14599 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14600 boards[0][VIRGIN][i] = 0;
14601 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14602 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14606 SendToProgram("force\n", &first);
14607 if (blackPlaysFirst) {
14608 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14609 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14610 currentMove = forwardMostMove = backwardMostMove = 1;
14611 CopyBoard(boards[1], boards[0]);
14613 currentMove = forwardMostMove = backwardMostMove = 0;
14615 SendBoard(&first, forwardMostMove);
14616 if (appData.debugMode) {
14617 fprintf(debugFP, "EditPosDone\n");
14620 DisplayMessage("", "");
14621 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14622 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14623 gameMode = EditGame;
14625 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14626 ClearHighlights(); /* [AS] */
14629 /* Pause for `ms' milliseconds */
14630 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14632 TimeDelay (long ms)
14639 } while (SubtractTimeMarks(&m2, &m1) < ms);
14642 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14644 SendMultiLineToICS (char *buf)
14646 char temp[MSG_SIZ+1], *p;
14653 strncpy(temp, buf, len);
14658 if (*p == '\n' || *p == '\r')
14663 strcat(temp, "\n");
14665 SendToPlayer(temp, strlen(temp));
14669 SetWhiteToPlayEvent ()
14671 if (gameMode == EditPosition) {
14672 blackPlaysFirst = FALSE;
14673 DisplayBothClocks(); /* works because currentMove is 0 */
14674 } else if (gameMode == IcsExamining) {
14675 SendToICS(ics_prefix);
14676 SendToICS("tomove white\n");
14681 SetBlackToPlayEvent ()
14683 if (gameMode == EditPosition) {
14684 blackPlaysFirst = TRUE;
14685 currentMove = 1; /* kludge */
14686 DisplayBothClocks();
14688 } else if (gameMode == IcsExamining) {
14689 SendToICS(ics_prefix);
14690 SendToICS("tomove black\n");
14695 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14698 ChessSquare piece = boards[0][y][x];
14699 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
14700 static int lastVariant;
14702 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14704 switch (selection) {
14706 CopyBoard(currentBoard, boards[0]);
14707 CopyBoard(menuBoard, initialPosition);
14708 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14709 SendToICS(ics_prefix);
14710 SendToICS("bsetup clear\n");
14711 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14712 SendToICS(ics_prefix);
14713 SendToICS("clearboard\n");
14716 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14717 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14718 for (y = 0; y < BOARD_HEIGHT; y++) {
14719 if (gameMode == IcsExamining) {
14720 if (boards[currentMove][y][x] != EmptySquare) {
14721 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14726 if(boards[0][y][x] != p) nonEmpty++;
14727 boards[0][y][x] = p;
14730 menuBoard[1][x] = menuBoard[BOARD_HEIGHT-2][x] = p;
14732 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
14733 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
14734 ChessSquare p = menuBoard[0][x];
14735 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[0][y] == p) menuBoard[0][y] = EmptySquare;
14736 p = menuBoard[BOARD_HEIGHT-1][x];
14737 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[BOARD_HEIGHT-1][y] == p) menuBoard[BOARD_HEIGHT-1][y] = EmptySquare;
14739 DisplayMessage("Clicking clock again restores position", "");
14740 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
14741 if(!nonEmpty) { // asked to clear an empty board
14742 CopyBoard(boards[0], menuBoard);
14744 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
14745 CopyBoard(boards[0], initialPosition);
14747 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
14748 && !CompareBoards(nullBoard, erasedBoard)) {
14749 CopyBoard(boards[0], erasedBoard);
14751 CopyBoard(erasedBoard, currentBoard);
14755 if (gameMode == EditPosition) {
14756 DrawPosition(FALSE, boards[0]);
14761 SetWhiteToPlayEvent();
14765 SetBlackToPlayEvent();
14769 if (gameMode == IcsExamining) {
14770 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14771 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14774 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14775 if(x == BOARD_LEFT-2) {
14776 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14777 boards[0][y][1] = 0;
14779 if(x == BOARD_RGHT+1) {
14780 if(y >= gameInfo.holdingsSize) break;
14781 boards[0][y][BOARD_WIDTH-2] = 0;
14784 boards[0][y][x] = EmptySquare;
14785 DrawPosition(FALSE, boards[0]);
14790 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14791 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14792 selection = (ChessSquare) (PROMOTED piece);
14793 } else if(piece == EmptySquare) selection = WhiteSilver;
14794 else selection = (ChessSquare)((int)piece - 1);
14798 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14799 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14800 selection = (ChessSquare) (DEMOTED piece);
14801 } else if(piece == EmptySquare) selection = BlackSilver;
14802 else selection = (ChessSquare)((int)piece + 1);
14807 if(gameInfo.variant == VariantShatranj ||
14808 gameInfo.variant == VariantXiangqi ||
14809 gameInfo.variant == VariantCourier ||
14810 gameInfo.variant == VariantASEAN ||
14811 gameInfo.variant == VariantMakruk )
14812 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14817 if(gameInfo.variant == VariantXiangqi)
14818 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14819 if(gameInfo.variant == VariantKnightmate)
14820 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14823 if (gameMode == IcsExamining) {
14824 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14825 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14826 PieceToChar(selection), AAA + x, ONE + y);
14829 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14831 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14832 n = PieceToNumber(selection - BlackPawn);
14833 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14834 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14835 boards[0][BOARD_HEIGHT-1-n][1]++;
14837 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14838 n = PieceToNumber(selection);
14839 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14840 boards[0][n][BOARD_WIDTH-1] = selection;
14841 boards[0][n][BOARD_WIDTH-2]++;
14844 boards[0][y][x] = selection;
14845 DrawPosition(TRUE, boards[0]);
14847 fromX = fromY = -1;
14855 DropMenuEvent (ChessSquare selection, int x, int y)
14857 ChessMove moveType;
14859 switch (gameMode) {
14860 case IcsPlayingWhite:
14861 case MachinePlaysBlack:
14862 if (!WhiteOnMove(currentMove)) {
14863 DisplayMoveError(_("It is Black's turn"));
14866 moveType = WhiteDrop;
14868 case IcsPlayingBlack:
14869 case MachinePlaysWhite:
14870 if (WhiteOnMove(currentMove)) {
14871 DisplayMoveError(_("It is White's turn"));
14874 moveType = BlackDrop;
14877 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14883 if (moveType == BlackDrop && selection < BlackPawn) {
14884 selection = (ChessSquare) ((int) selection
14885 + (int) BlackPawn - (int) WhitePawn);
14887 if (boards[currentMove][y][x] != EmptySquare) {
14888 DisplayMoveError(_("That square is occupied"));
14892 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14898 /* Accept a pending offer of any kind from opponent */
14900 if (appData.icsActive) {
14901 SendToICS(ics_prefix);
14902 SendToICS("accept\n");
14903 } else if (cmailMsgLoaded) {
14904 if (currentMove == cmailOldMove &&
14905 commentList[cmailOldMove] != NULL &&
14906 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14907 "Black offers a draw" : "White offers a draw")) {
14909 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14910 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14912 DisplayError(_("There is no pending offer on this move"), 0);
14913 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14916 /* Not used for offers from chess program */
14923 /* Decline a pending offer of any kind from opponent */
14925 if (appData.icsActive) {
14926 SendToICS(ics_prefix);
14927 SendToICS("decline\n");
14928 } else if (cmailMsgLoaded) {
14929 if (currentMove == cmailOldMove &&
14930 commentList[cmailOldMove] != NULL &&
14931 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14932 "Black offers a draw" : "White offers a draw")) {
14934 AppendComment(cmailOldMove, "Draw declined", TRUE);
14935 DisplayComment(cmailOldMove - 1, "Draw declined");
14938 DisplayError(_("There is no pending offer on this move"), 0);
14941 /* Not used for offers from chess program */
14948 /* Issue ICS rematch command */
14949 if (appData.icsActive) {
14950 SendToICS(ics_prefix);
14951 SendToICS("rematch\n");
14958 /* Call your opponent's flag (claim a win on time) */
14959 if (appData.icsActive) {
14960 SendToICS(ics_prefix);
14961 SendToICS("flag\n");
14963 switch (gameMode) {
14966 case MachinePlaysWhite:
14969 GameEnds(GameIsDrawn, "Both players ran out of time",
14972 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14974 DisplayError(_("Your opponent is not out of time"), 0);
14977 case MachinePlaysBlack:
14980 GameEnds(GameIsDrawn, "Both players ran out of time",
14983 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14985 DisplayError(_("Your opponent is not out of time"), 0);
14993 ClockClick (int which)
14994 { // [HGM] code moved to back-end from winboard.c
14995 if(which) { // black clock
14996 if (gameMode == EditPosition || gameMode == IcsExamining) {
14997 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14998 SetBlackToPlayEvent();
14999 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
15000 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15001 } else if (shiftKey) {
15002 AdjustClock(which, -1);
15003 } else if (gameMode == IcsPlayingWhite ||
15004 gameMode == MachinePlaysBlack) {
15007 } else { // white clock
15008 if (gameMode == EditPosition || gameMode == IcsExamining) {
15009 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15010 SetWhiteToPlayEvent();
15011 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
15012 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15013 } else if (shiftKey) {
15014 AdjustClock(which, -1);
15015 } else if (gameMode == IcsPlayingBlack ||
15016 gameMode == MachinePlaysWhite) {
15025 /* Offer draw or accept pending draw offer from opponent */
15027 if (appData.icsActive) {
15028 /* Note: tournament rules require draw offers to be
15029 made after you make your move but before you punch
15030 your clock. Currently ICS doesn't let you do that;
15031 instead, you immediately punch your clock after making
15032 a move, but you can offer a draw at any time. */
15034 SendToICS(ics_prefix);
15035 SendToICS("draw\n");
15036 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15037 } else if (cmailMsgLoaded) {
15038 if (currentMove == cmailOldMove &&
15039 commentList[cmailOldMove] != NULL &&
15040 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15041 "Black offers a draw" : "White offers a draw")) {
15042 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15043 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15044 } else if (currentMove == cmailOldMove + 1) {
15045 char *offer = WhiteOnMove(cmailOldMove) ?
15046 "White offers a draw" : "Black offers a draw";
15047 AppendComment(currentMove, offer, TRUE);
15048 DisplayComment(currentMove - 1, offer);
15049 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15051 DisplayError(_("You must make your move before offering a draw"), 0);
15052 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15054 } else if (first.offeredDraw) {
15055 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15057 if (first.sendDrawOffers) {
15058 SendToProgram("draw\n", &first);
15059 userOfferedDraw = TRUE;
15067 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15069 if (appData.icsActive) {
15070 SendToICS(ics_prefix);
15071 SendToICS("adjourn\n");
15073 /* Currently GNU Chess doesn't offer or accept Adjourns */
15081 /* Offer Abort or accept pending Abort offer from opponent */
15083 if (appData.icsActive) {
15084 SendToICS(ics_prefix);
15085 SendToICS("abort\n");
15087 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15094 /* Resign. You can do this even if it's not your turn. */
15096 if (appData.icsActive) {
15097 SendToICS(ics_prefix);
15098 SendToICS("resign\n");
15100 switch (gameMode) {
15101 case MachinePlaysWhite:
15102 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15104 case MachinePlaysBlack:
15105 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15108 if (cmailMsgLoaded) {
15110 if (WhiteOnMove(cmailOldMove)) {
15111 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15113 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15115 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15126 StopObservingEvent ()
15128 /* Stop observing current games */
15129 SendToICS(ics_prefix);
15130 SendToICS("unobserve\n");
15134 StopExaminingEvent ()
15136 /* Stop observing current game */
15137 SendToICS(ics_prefix);
15138 SendToICS("unexamine\n");
15142 ForwardInner (int target)
15144 int limit; int oldSeekGraphUp = seekGraphUp;
15146 if (appData.debugMode)
15147 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15148 target, currentMove, forwardMostMove);
15150 if (gameMode == EditPosition)
15153 seekGraphUp = FALSE;
15154 MarkTargetSquares(1);
15156 if (gameMode == PlayFromGameFile && !pausing)
15159 if (gameMode == IcsExamining && pausing)
15160 limit = pauseExamForwardMostMove;
15162 limit = forwardMostMove;
15164 if (target > limit) target = limit;
15166 if (target > 0 && moveList[target - 1][0]) {
15167 int fromX, fromY, toX, toY;
15168 toX = moveList[target - 1][2] - AAA;
15169 toY = moveList[target - 1][3] - ONE;
15170 if (moveList[target - 1][1] == '@') {
15171 if (appData.highlightLastMove) {
15172 SetHighlights(-1, -1, toX, toY);
15175 fromX = moveList[target - 1][0] - AAA;
15176 fromY = moveList[target - 1][1] - ONE;
15177 if (target == currentMove + 1) {
15178 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15180 if (appData.highlightLastMove) {
15181 SetHighlights(fromX, fromY, toX, toY);
15185 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15186 gameMode == Training || gameMode == PlayFromGameFile ||
15187 gameMode == AnalyzeFile) {
15188 while (currentMove < target) {
15189 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15190 SendMoveToProgram(currentMove++, &first);
15193 currentMove = target;
15196 if (gameMode == EditGame || gameMode == EndOfGame) {
15197 whiteTimeRemaining = timeRemaining[0][currentMove];
15198 blackTimeRemaining = timeRemaining[1][currentMove];
15200 DisplayBothClocks();
15201 DisplayMove(currentMove - 1);
15202 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15203 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15204 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15205 DisplayComment(currentMove - 1, commentList[currentMove]);
15207 ClearMap(); // [HGM] exclude: invalidate map
15214 if (gameMode == IcsExamining && !pausing) {
15215 SendToICS(ics_prefix);
15216 SendToICS("forward\n");
15218 ForwardInner(currentMove + 1);
15225 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15226 /* to optimze, we temporarily turn off analysis mode while we feed
15227 * the remaining moves to the engine. Otherwise we get analysis output
15230 if (first.analysisSupport) {
15231 SendToProgram("exit\nforce\n", &first);
15232 first.analyzing = FALSE;
15236 if (gameMode == IcsExamining && !pausing) {
15237 SendToICS(ics_prefix);
15238 SendToICS("forward 999999\n");
15240 ForwardInner(forwardMostMove);
15243 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15244 /* we have fed all the moves, so reactivate analysis mode */
15245 SendToProgram("analyze\n", &first);
15246 first.analyzing = TRUE;
15247 /*first.maybeThinking = TRUE;*/
15248 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15253 BackwardInner (int target)
15255 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15257 if (appData.debugMode)
15258 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15259 target, currentMove, forwardMostMove);
15261 if (gameMode == EditPosition) return;
15262 seekGraphUp = FALSE;
15263 MarkTargetSquares(1);
15264 if (currentMove <= backwardMostMove) {
15266 DrawPosition(full_redraw, boards[currentMove]);
15269 if (gameMode == PlayFromGameFile && !pausing)
15272 if (moveList[target][0]) {
15273 int fromX, fromY, toX, toY;
15274 toX = moveList[target][2] - AAA;
15275 toY = moveList[target][3] - ONE;
15276 if (moveList[target][1] == '@') {
15277 if (appData.highlightLastMove) {
15278 SetHighlights(-1, -1, toX, toY);
15281 fromX = moveList[target][0] - AAA;
15282 fromY = moveList[target][1] - ONE;
15283 if (target == currentMove - 1) {
15284 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15286 if (appData.highlightLastMove) {
15287 SetHighlights(fromX, fromY, toX, toY);
15291 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15292 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15293 while (currentMove > target) {
15294 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15295 // null move cannot be undone. Reload program with move history before it.
15297 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15298 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15300 SendBoard(&first, i);
15301 if(second.analyzing) SendBoard(&second, i);
15302 for(currentMove=i; currentMove<target; currentMove++) {
15303 SendMoveToProgram(currentMove, &first);
15304 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15308 SendToBoth("undo\n");
15312 currentMove = target;
15315 if (gameMode == EditGame || gameMode == EndOfGame) {
15316 whiteTimeRemaining = timeRemaining[0][currentMove];
15317 blackTimeRemaining = timeRemaining[1][currentMove];
15319 DisplayBothClocks();
15320 DisplayMove(currentMove - 1);
15321 DrawPosition(full_redraw, boards[currentMove]);
15322 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15323 // [HGM] PV info: routine tests if comment empty
15324 DisplayComment(currentMove - 1, commentList[currentMove]);
15325 ClearMap(); // [HGM] exclude: invalidate map
15331 if (gameMode == IcsExamining && !pausing) {
15332 SendToICS(ics_prefix);
15333 SendToICS("backward\n");
15335 BackwardInner(currentMove - 1);
15342 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15343 /* to optimize, we temporarily turn off analysis mode while we undo
15344 * all the moves. Otherwise we get analysis output after each undo.
15346 if (first.analysisSupport) {
15347 SendToProgram("exit\nforce\n", &first);
15348 first.analyzing = FALSE;
15352 if (gameMode == IcsExamining && !pausing) {
15353 SendToICS(ics_prefix);
15354 SendToICS("backward 999999\n");
15356 BackwardInner(backwardMostMove);
15359 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15360 /* we have fed all the moves, so reactivate analysis mode */
15361 SendToProgram("analyze\n", &first);
15362 first.analyzing = TRUE;
15363 /*first.maybeThinking = TRUE;*/
15364 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15371 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15372 if (to >= forwardMostMove) to = forwardMostMove;
15373 if (to <= backwardMostMove) to = backwardMostMove;
15374 if (to < currentMove) {
15382 RevertEvent (Boolean annotate)
15384 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15387 if (gameMode != IcsExamining) {
15388 DisplayError(_("You are not examining a game"), 0);
15392 DisplayError(_("You can't revert while pausing"), 0);
15395 SendToICS(ics_prefix);
15396 SendToICS("revert\n");
15400 RetractMoveEvent ()
15402 switch (gameMode) {
15403 case MachinePlaysWhite:
15404 case MachinePlaysBlack:
15405 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15406 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15409 if (forwardMostMove < 2) return;
15410 currentMove = forwardMostMove = forwardMostMove - 2;
15411 whiteTimeRemaining = timeRemaining[0][currentMove];
15412 blackTimeRemaining = timeRemaining[1][currentMove];
15413 DisplayBothClocks();
15414 DisplayMove(currentMove - 1);
15415 ClearHighlights();/*!! could figure this out*/
15416 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15417 SendToProgram("remove\n", &first);
15418 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15421 case BeginningOfGame:
15425 case IcsPlayingWhite:
15426 case IcsPlayingBlack:
15427 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15428 SendToICS(ics_prefix);
15429 SendToICS("takeback 2\n");
15431 SendToICS(ics_prefix);
15432 SendToICS("takeback 1\n");
15441 ChessProgramState *cps;
15443 switch (gameMode) {
15444 case MachinePlaysWhite:
15445 if (!WhiteOnMove(forwardMostMove)) {
15446 DisplayError(_("It is your turn"), 0);
15451 case MachinePlaysBlack:
15452 if (WhiteOnMove(forwardMostMove)) {
15453 DisplayError(_("It is your turn"), 0);
15458 case TwoMachinesPlay:
15459 if (WhiteOnMove(forwardMostMove) ==
15460 (first.twoMachinesColor[0] == 'w')) {
15466 case BeginningOfGame:
15470 SendToProgram("?\n", cps);
15474 TruncateGameEvent ()
15477 if (gameMode != EditGame) return;
15484 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15485 if (forwardMostMove > currentMove) {
15486 if (gameInfo.resultDetails != NULL) {
15487 free(gameInfo.resultDetails);
15488 gameInfo.resultDetails = NULL;
15489 gameInfo.result = GameUnfinished;
15491 forwardMostMove = currentMove;
15492 HistorySet(parseList, backwardMostMove, forwardMostMove,
15500 if (appData.noChessProgram) return;
15501 switch (gameMode) {
15502 case MachinePlaysWhite:
15503 if (WhiteOnMove(forwardMostMove)) {
15504 DisplayError(_("Wait until your turn."), 0);
15508 case BeginningOfGame:
15509 case MachinePlaysBlack:
15510 if (!WhiteOnMove(forwardMostMove)) {
15511 DisplayError(_("Wait until your turn."), 0);
15516 DisplayError(_("No hint available"), 0);
15519 SendToProgram("hint\n", &first);
15520 hintRequested = TRUE;
15526 ListGame * lg = (ListGame *) gameList.head;
15529 static int secondTime = FALSE;
15531 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15532 DisplayError(_("Game list not loaded or empty"), 0);
15536 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15539 DisplayNote(_("Book file exists! Try again for overwrite."));
15543 creatingBook = TRUE;
15544 secondTime = FALSE;
15546 /* Get list size */
15547 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15548 LoadGame(f, nItem, "", TRUE);
15549 AddGameToBook(TRUE);
15550 lg = (ListGame *) lg->node.succ;
15553 creatingBook = FALSE;
15560 if (appData.noChessProgram) return;
15561 switch (gameMode) {
15562 case MachinePlaysWhite:
15563 if (WhiteOnMove(forwardMostMove)) {
15564 DisplayError(_("Wait until your turn."), 0);
15568 case BeginningOfGame:
15569 case MachinePlaysBlack:
15570 if (!WhiteOnMove(forwardMostMove)) {
15571 DisplayError(_("Wait until your turn."), 0);
15576 EditPositionDone(TRUE);
15578 case TwoMachinesPlay:
15583 SendToProgram("bk\n", &first);
15584 bookOutput[0] = NULLCHAR;
15585 bookRequested = TRUE;
15591 char *tags = PGNTags(&gameInfo);
15592 TagsPopUp(tags, CmailMsg());
15596 /* end button procedures */
15599 PrintPosition (FILE *fp, int move)
15603 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15604 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15605 char c = PieceToChar(boards[move][i][j]);
15606 fputc(c == 'x' ? '.' : c, fp);
15607 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15610 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15611 fprintf(fp, "white to play\n");
15613 fprintf(fp, "black to play\n");
15617 PrintOpponents (FILE *fp)
15619 if (gameInfo.white != NULL) {
15620 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15626 /* Find last component of program's own name, using some heuristics */
15628 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15631 int local = (strcmp(host, "localhost") == 0);
15632 while (!local && (p = strchr(prog, ';')) != NULL) {
15634 while (*p == ' ') p++;
15637 if (*prog == '"' || *prog == '\'') {
15638 q = strchr(prog + 1, *prog);
15640 q = strchr(prog, ' ');
15642 if (q == NULL) q = prog + strlen(prog);
15644 while (p >= prog && *p != '/' && *p != '\\') p--;
15646 if(p == prog && *p == '"') p++;
15648 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15649 memcpy(buf, p, q - p);
15650 buf[q - p] = NULLCHAR;
15658 TimeControlTagValue ()
15661 if (!appData.clockMode) {
15662 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15663 } else if (movesPerSession > 0) {
15664 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15665 } else if (timeIncrement == 0) {
15666 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15668 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15670 return StrSave(buf);
15676 /* This routine is used only for certain modes */
15677 VariantClass v = gameInfo.variant;
15678 ChessMove r = GameUnfinished;
15681 if(keepInfo) return;
15683 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15684 r = gameInfo.result;
15685 p = gameInfo.resultDetails;
15686 gameInfo.resultDetails = NULL;
15688 ClearGameInfo(&gameInfo);
15689 gameInfo.variant = v;
15691 switch (gameMode) {
15692 case MachinePlaysWhite:
15693 gameInfo.event = StrSave( appData.pgnEventHeader );
15694 gameInfo.site = StrSave(HostName());
15695 gameInfo.date = PGNDate();
15696 gameInfo.round = StrSave("-");
15697 gameInfo.white = StrSave(first.tidy);
15698 gameInfo.black = StrSave(UserName());
15699 gameInfo.timeControl = TimeControlTagValue();
15702 case MachinePlaysBlack:
15703 gameInfo.event = StrSave( appData.pgnEventHeader );
15704 gameInfo.site = StrSave(HostName());
15705 gameInfo.date = PGNDate();
15706 gameInfo.round = StrSave("-");
15707 gameInfo.white = StrSave(UserName());
15708 gameInfo.black = StrSave(first.tidy);
15709 gameInfo.timeControl = TimeControlTagValue();
15712 case TwoMachinesPlay:
15713 gameInfo.event = StrSave( appData.pgnEventHeader );
15714 gameInfo.site = StrSave(HostName());
15715 gameInfo.date = PGNDate();
15718 snprintf(buf, MSG_SIZ, "%d", roundNr);
15719 gameInfo.round = StrSave(buf);
15721 gameInfo.round = StrSave("-");
15723 if (first.twoMachinesColor[0] == 'w') {
15724 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15725 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15727 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15728 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15730 gameInfo.timeControl = TimeControlTagValue();
15734 gameInfo.event = StrSave("Edited game");
15735 gameInfo.site = StrSave(HostName());
15736 gameInfo.date = PGNDate();
15737 gameInfo.round = StrSave("-");
15738 gameInfo.white = StrSave("-");
15739 gameInfo.black = StrSave("-");
15740 gameInfo.result = r;
15741 gameInfo.resultDetails = p;
15745 gameInfo.event = StrSave("Edited position");
15746 gameInfo.site = StrSave(HostName());
15747 gameInfo.date = PGNDate();
15748 gameInfo.round = StrSave("-");
15749 gameInfo.white = StrSave("-");
15750 gameInfo.black = StrSave("-");
15753 case IcsPlayingWhite:
15754 case IcsPlayingBlack:
15759 case PlayFromGameFile:
15760 gameInfo.event = StrSave("Game from non-PGN file");
15761 gameInfo.site = StrSave(HostName());
15762 gameInfo.date = PGNDate();
15763 gameInfo.round = StrSave("-");
15764 gameInfo.white = StrSave("?");
15765 gameInfo.black = StrSave("?");
15774 ReplaceComment (int index, char *text)
15780 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15781 pvInfoList[index-1].depth == len &&
15782 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15783 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15784 while (*text == '\n') text++;
15785 len = strlen(text);
15786 while (len > 0 && text[len - 1] == '\n') len--;
15788 if (commentList[index] != NULL)
15789 free(commentList[index]);
15792 commentList[index] = NULL;
15795 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15796 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15797 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15798 commentList[index] = (char *) malloc(len + 2);
15799 strncpy(commentList[index], text, len);
15800 commentList[index][len] = '\n';
15801 commentList[index][len + 1] = NULLCHAR;
15803 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15805 commentList[index] = (char *) malloc(len + 7);
15806 safeStrCpy(commentList[index], "{\n", 3);
15807 safeStrCpy(commentList[index]+2, text, len+1);
15808 commentList[index][len+2] = NULLCHAR;
15809 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15810 strcat(commentList[index], "\n}\n");
15815 CrushCRs (char *text)
15823 if (ch == '\r') continue;
15825 } while (ch != '\0');
15829 AppendComment (int index, char *text, Boolean addBraces)
15830 /* addBraces tells if we should add {} */
15835 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15836 if(addBraces == 3) addBraces = 0; else // force appending literally
15837 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15840 while (*text == '\n') text++;
15841 len = strlen(text);
15842 while (len > 0 && text[len - 1] == '\n') len--;
15843 text[len] = NULLCHAR;
15845 if (len == 0) return;
15847 if (commentList[index] != NULL) {
15848 Boolean addClosingBrace = addBraces;
15849 old = commentList[index];
15850 oldlen = strlen(old);
15851 while(commentList[index][oldlen-1] == '\n')
15852 commentList[index][--oldlen] = NULLCHAR;
15853 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15854 safeStrCpy(commentList[index], old, oldlen + len + 6);
15856 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15857 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15858 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15859 while (*text == '\n') { text++; len--; }
15860 commentList[index][--oldlen] = NULLCHAR;
15862 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15863 else strcat(commentList[index], "\n");
15864 strcat(commentList[index], text);
15865 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15866 else strcat(commentList[index], "\n");
15868 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15870 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15871 else commentList[index][0] = NULLCHAR;
15872 strcat(commentList[index], text);
15873 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15874 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15879 FindStr (char * text, char * sub_text)
15881 char * result = strstr( text, sub_text );
15883 if( result != NULL ) {
15884 result += strlen( sub_text );
15890 /* [AS] Try to extract PV info from PGN comment */
15891 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15893 GetInfoFromComment (int index, char * text)
15895 char * sep = text, *p;
15897 if( text != NULL && index > 0 ) {
15900 int time = -1, sec = 0, deci;
15901 char * s_eval = FindStr( text, "[%eval " );
15902 char * s_emt = FindStr( text, "[%emt " );
15904 if( s_eval != NULL || s_emt != NULL ) {
15906 if(0) { // [HGM] this code is not finished, and could actually be detrimental
15911 if( s_eval != NULL ) {
15912 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15916 if( delim != ']' ) {
15921 if( s_emt != NULL ) {
15926 /* We expect something like: [+|-]nnn.nn/dd */
15929 if(*text != '{') return text; // [HGM] braces: must be normal comment
15931 sep = strchr( text, '/' );
15932 if( sep == NULL || sep < (text+4) ) {
15937 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
15938 if(p[1] == '(') { // comment starts with PV
15939 p = strchr(p, ')'); // locate end of PV
15940 if(p == NULL || sep < p+5) return text;
15941 // at this point we have something like "{(.*) +0.23/6 ..."
15942 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15943 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15944 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15946 time = -1; sec = -1; deci = -1;
15947 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15948 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15949 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15950 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15954 if( score_lo < 0 || score_lo >= 100 ) {
15958 if(sec >= 0) time = 600*time + 10*sec; else
15959 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15961 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
15963 /* [HGM] PV time: now locate end of PV info */
15964 while( *++sep >= '0' && *sep <= '9'); // strip depth
15966 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15968 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15970 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15971 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15982 pvInfoList[index-1].depth = depth;
15983 pvInfoList[index-1].score = score;
15984 pvInfoList[index-1].time = 10*time; // centi-sec
15985 if(*sep == '}') *sep = 0; else *--sep = '{';
15986 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15992 SendToProgram (char *message, ChessProgramState *cps)
15994 int count, outCount, error;
15997 if (cps->pr == NoProc) return;
16000 if (appData.debugMode) {
16003 fprintf(debugFP, "%ld >%-6s: %s",
16004 SubtractTimeMarks(&now, &programStartTime),
16005 cps->which, message);
16007 fprintf(serverFP, "%ld >%-6s: %s",
16008 SubtractTimeMarks(&now, &programStartTime),
16009 cps->which, message), fflush(serverFP);
16012 count = strlen(message);
16013 outCount = OutputToProcess(cps->pr, message, count, &error);
16014 if (outCount < count && !exiting
16015 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16016 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16017 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16018 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16019 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16020 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16021 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16022 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16024 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16025 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16026 gameInfo.result = res;
16028 gameInfo.resultDetails = StrSave(buf);
16030 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16031 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16036 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16040 ChessProgramState *cps = (ChessProgramState *)closure;
16042 if (isr != cps->isr) return; /* Killed intentionally */
16045 RemoveInputSource(cps->isr);
16046 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16047 _(cps->which), cps->program);
16048 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16049 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16050 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16051 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16052 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16053 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16055 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16056 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16057 gameInfo.result = res;
16059 gameInfo.resultDetails = StrSave(buf);
16061 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16062 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16064 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16065 _(cps->which), cps->program);
16066 RemoveInputSource(cps->isr);
16068 /* [AS] Program is misbehaving badly... kill it */
16069 if( count == -2 ) {
16070 DestroyChildProcess( cps->pr, 9 );
16074 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16079 if ((end_str = strchr(message, '\r')) != NULL)
16080 *end_str = NULLCHAR;
16081 if ((end_str = strchr(message, '\n')) != NULL)
16082 *end_str = NULLCHAR;
16084 if (appData.debugMode) {
16085 TimeMark now; int print = 1;
16086 char *quote = ""; char c; int i;
16088 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16089 char start = message[0];
16090 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16091 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16092 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16093 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16094 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16095 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16096 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16097 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16098 sscanf(message, "hint: %c", &c)!=1 &&
16099 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16100 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16101 print = (appData.engineComments >= 2);
16103 message[0] = start; // restore original message
16107 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16108 SubtractTimeMarks(&now, &programStartTime), cps->which,
16112 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16113 SubtractTimeMarks(&now, &programStartTime), cps->which,
16115 message), fflush(serverFP);
16119 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16120 if (appData.icsEngineAnalyze) {
16121 if (strstr(message, "whisper") != NULL ||
16122 strstr(message, "kibitz") != NULL ||
16123 strstr(message, "tellics") != NULL) return;
16126 HandleMachineMove(message, cps);
16131 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16136 if( timeControl_2 > 0 ) {
16137 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16138 tc = timeControl_2;
16141 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16142 inc /= cps->timeOdds;
16143 st /= cps->timeOdds;
16145 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16148 /* Set exact time per move, normally using st command */
16149 if (cps->stKludge) {
16150 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16152 if (seconds == 0) {
16153 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16155 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16158 snprintf(buf, MSG_SIZ, "st %d\n", st);
16161 /* Set conventional or incremental time control, using level command */
16162 if (seconds == 0) {
16163 /* Note old gnuchess bug -- minutes:seconds used to not work.
16164 Fixed in later versions, but still avoid :seconds
16165 when seconds is 0. */
16166 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16168 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16169 seconds, inc/1000.);
16172 SendToProgram(buf, cps);
16174 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16175 /* Orthogonally, limit search to given depth */
16177 if (cps->sdKludge) {
16178 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16180 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16182 SendToProgram(buf, cps);
16185 if(cps->nps >= 0) { /* [HGM] nps */
16186 if(cps->supportsNPS == FALSE)
16187 cps->nps = -1; // don't use if engine explicitly says not supported!
16189 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16190 SendToProgram(buf, cps);
16195 ChessProgramState *
16197 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16199 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16200 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16206 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16208 char message[MSG_SIZ];
16211 /* Note: this routine must be called when the clocks are stopped
16212 or when they have *just* been set or switched; otherwise
16213 it will be off by the time since the current tick started.
16215 if (machineWhite) {
16216 time = whiteTimeRemaining / 10;
16217 otime = blackTimeRemaining / 10;
16219 time = blackTimeRemaining / 10;
16220 otime = whiteTimeRemaining / 10;
16222 /* [HGM] translate opponent's time by time-odds factor */
16223 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16225 if (time <= 0) time = 1;
16226 if (otime <= 0) otime = 1;
16228 snprintf(message, MSG_SIZ, "time %ld\n", time);
16229 SendToProgram(message, cps);
16231 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16232 SendToProgram(message, cps);
16236 EngineDefinedVariant (ChessProgramState *cps, int n)
16237 { // return name of n-th unknown variant that engine supports
16238 static char buf[MSG_SIZ];
16239 char *p, *s = cps->variants;
16240 if(!s) return NULL;
16241 do { // parse string from variants feature
16243 p = strchr(s, ',');
16244 if(p) *p = NULLCHAR;
16245 v = StringToVariant(s);
16246 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16247 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16248 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16251 if(n < 0) return buf;
16257 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16260 int len = strlen(name);
16263 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16265 sscanf(*p, "%d", &val);
16267 while (**p && **p != ' ')
16269 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16270 SendToProgram(buf, cps);
16277 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16280 int len = strlen(name);
16281 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16283 sscanf(*p, "%d", loc);
16284 while (**p && **p != ' ') (*p)++;
16285 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16286 SendToProgram(buf, cps);
16293 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16296 int len = strlen(name);
16297 if (strncmp((*p), name, len) == 0
16298 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16300 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16301 sscanf(*p, "%[^\"]", *loc);
16302 while (**p && **p != '\"') (*p)++;
16303 if (**p == '\"') (*p)++;
16304 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16305 SendToProgram(buf, cps);
16312 ParseOption (Option *opt, ChessProgramState *cps)
16313 // [HGM] options: process the string that defines an engine option, and determine
16314 // name, type, default value, and allowed value range
16316 char *p, *q, buf[MSG_SIZ];
16317 int n, min = (-1)<<31, max = 1<<31, def;
16319 if(p = strstr(opt->name, " -spin ")) {
16320 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16321 if(max < min) max = min; // enforce consistency
16322 if(def < min) def = min;
16323 if(def > max) def = max;
16328 } else if((p = strstr(opt->name, " -slider "))) {
16329 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16330 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16331 if(max < min) max = min; // enforce consistency
16332 if(def < min) def = min;
16333 if(def > max) def = max;
16337 opt->type = Spin; // Slider;
16338 } else if((p = strstr(opt->name, " -string "))) {
16339 opt->textValue = p+9;
16340 opt->type = TextBox;
16341 } else if((p = strstr(opt->name, " -file "))) {
16342 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16343 opt->textValue = p+7;
16344 opt->type = FileName; // FileName;
16345 } else if((p = strstr(opt->name, " -path "))) {
16346 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16347 opt->textValue = p+7;
16348 opt->type = PathName; // PathName;
16349 } else if(p = strstr(opt->name, " -check ")) {
16350 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16351 opt->value = (def != 0);
16352 opt->type = CheckBox;
16353 } else if(p = strstr(opt->name, " -combo ")) {
16354 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16355 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16356 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16357 opt->value = n = 0;
16358 while(q = StrStr(q, " /// ")) {
16359 n++; *q = 0; // count choices, and null-terminate each of them
16361 if(*q == '*') { // remember default, which is marked with * prefix
16365 cps->comboList[cps->comboCnt++] = q;
16367 cps->comboList[cps->comboCnt++] = NULL;
16369 opt->type = ComboBox;
16370 } else if(p = strstr(opt->name, " -button")) {
16371 opt->type = Button;
16372 } else if(p = strstr(opt->name, " -save")) {
16373 opt->type = SaveButton;
16374 } else return FALSE;
16375 *p = 0; // terminate option name
16376 // now look if the command-line options define a setting for this engine option.
16377 if(cps->optionSettings && cps->optionSettings[0])
16378 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16379 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16380 snprintf(buf, MSG_SIZ, "option %s", p);
16381 if(p = strstr(buf, ",")) *p = 0;
16382 if(q = strchr(buf, '=')) switch(opt->type) {
16384 for(n=0; n<opt->max; n++)
16385 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16388 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16392 opt->value = atoi(q+1);
16397 SendToProgram(buf, cps);
16403 FeatureDone (ChessProgramState *cps, int val)
16405 DelayedEventCallback cb = GetDelayedEvent();
16406 if ((cb == InitBackEnd3 && cps == &first) ||
16407 (cb == SettingsMenuIfReady && cps == &second) ||
16408 (cb == LoadEngine) ||
16409 (cb == TwoMachinesEventIfReady)) {
16410 CancelDelayedEvent();
16411 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16413 cps->initDone = val;
16414 if(val) cps->reload = FALSE;
16417 /* Parse feature command from engine */
16419 ParseFeatures (char *args, ChessProgramState *cps)
16427 while (*p == ' ') p++;
16428 if (*p == NULLCHAR) return;
16430 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16431 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16432 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16433 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16434 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16435 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16436 if (BoolFeature(&p, "reuse", &val, cps)) {
16437 /* Engine can disable reuse, but can't enable it if user said no */
16438 if (!val) cps->reuse = FALSE;
16441 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16442 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16443 if (gameMode == TwoMachinesPlay) {
16444 DisplayTwoMachinesTitle();
16450 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16451 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16452 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16453 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16454 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16455 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16456 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16457 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16458 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16459 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16460 if (IntFeature(&p, "done", &val, cps)) {
16461 FeatureDone(cps, val);
16464 /* Added by Tord: */
16465 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16466 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16467 /* End of additions by Tord */
16469 /* [HGM] added features: */
16470 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16471 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16472 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16473 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16474 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16475 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16476 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16477 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16478 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16479 FREE(cps->option[cps->nrOptions].name);
16480 cps->option[cps->nrOptions].name = q; q = NULL;
16481 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16482 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16483 SendToProgram(buf, cps);
16486 if(cps->nrOptions >= MAX_OPTIONS) {
16488 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16489 DisplayError(buf, 0);
16493 /* End of additions by HGM */
16495 /* unknown feature: complain and skip */
16497 while (*q && *q != '=') q++;
16498 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16499 SendToProgram(buf, cps);
16505 while (*p && *p != '\"') p++;
16506 if (*p == '\"') p++;
16508 while (*p && *p != ' ') p++;
16516 PeriodicUpdatesEvent (int newState)
16518 if (newState == appData.periodicUpdates)
16521 appData.periodicUpdates=newState;
16523 /* Display type changes, so update it now */
16524 // DisplayAnalysis();
16526 /* Get the ball rolling again... */
16528 AnalysisPeriodicEvent(1);
16529 StartAnalysisClock();
16534 PonderNextMoveEvent (int newState)
16536 if (newState == appData.ponderNextMove) return;
16537 if (gameMode == EditPosition) EditPositionDone(TRUE);
16539 SendToProgram("hard\n", &first);
16540 if (gameMode == TwoMachinesPlay) {
16541 SendToProgram("hard\n", &second);
16544 SendToProgram("easy\n", &first);
16545 thinkOutput[0] = NULLCHAR;
16546 if (gameMode == TwoMachinesPlay) {
16547 SendToProgram("easy\n", &second);
16550 appData.ponderNextMove = newState;
16554 NewSettingEvent (int option, int *feature, char *command, int value)
16558 if (gameMode == EditPosition) EditPositionDone(TRUE);
16559 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16560 if(feature == NULL || *feature) SendToProgram(buf, &first);
16561 if (gameMode == TwoMachinesPlay) {
16562 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16567 ShowThinkingEvent ()
16568 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16570 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16571 int newState = appData.showThinking
16572 // [HGM] thinking: other features now need thinking output as well
16573 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16575 if (oldState == newState) return;
16576 oldState = newState;
16577 if (gameMode == EditPosition) EditPositionDone(TRUE);
16579 SendToProgram("post\n", &first);
16580 if (gameMode == TwoMachinesPlay) {
16581 SendToProgram("post\n", &second);
16584 SendToProgram("nopost\n", &first);
16585 thinkOutput[0] = NULLCHAR;
16586 if (gameMode == TwoMachinesPlay) {
16587 SendToProgram("nopost\n", &second);
16590 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16594 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16596 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16597 if (pr == NoProc) return;
16598 AskQuestion(title, question, replyPrefix, pr);
16602 TypeInEvent (char firstChar)
16604 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16605 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16606 gameMode == AnalyzeMode || gameMode == EditGame ||
16607 gameMode == EditPosition || gameMode == IcsExamining ||
16608 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16609 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16610 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16611 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16612 gameMode == Training) PopUpMoveDialog(firstChar);
16616 TypeInDoneEvent (char *move)
16619 int n, fromX, fromY, toX, toY;
16621 ChessMove moveType;
16624 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
16625 EditPositionPasteFEN(move);
16628 // [HGM] movenum: allow move number to be typed in any mode
16629 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16633 // undocumented kludge: allow command-line option to be typed in!
16634 // (potentially fatal, and does not implement the effect of the option.)
16635 // should only be used for options that are values on which future decisions will be made,
16636 // and definitely not on options that would be used during initialization.
16637 if(strstr(move, "!!! -") == move) {
16638 ParseArgsFromString(move+4);
16642 if (gameMode != EditGame && currentMove != forwardMostMove &&
16643 gameMode != Training) {
16644 DisplayMoveError(_("Displayed move is not current"));
16646 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16647 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16648 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16649 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16650 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16651 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16653 DisplayMoveError(_("Could not parse move"));
16659 DisplayMove (int moveNumber)
16661 char message[MSG_SIZ];
16663 char cpThinkOutput[MSG_SIZ];
16665 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16667 if (moveNumber == forwardMostMove - 1 ||
16668 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16670 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16672 if (strchr(cpThinkOutput, '\n')) {
16673 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16676 *cpThinkOutput = NULLCHAR;
16679 /* [AS] Hide thinking from human user */
16680 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16681 *cpThinkOutput = NULLCHAR;
16682 if( thinkOutput[0] != NULLCHAR ) {
16685 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16686 cpThinkOutput[i] = '.';
16688 cpThinkOutput[i] = NULLCHAR;
16689 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16693 if (moveNumber == forwardMostMove - 1 &&
16694 gameInfo.resultDetails != NULL) {
16695 if (gameInfo.resultDetails[0] == NULLCHAR) {
16696 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16698 snprintf(res, MSG_SIZ, " {%s} %s",
16699 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16705 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16706 DisplayMessage(res, cpThinkOutput);
16708 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16709 WhiteOnMove(moveNumber) ? " " : ".. ",
16710 parseList[moveNumber], res);
16711 DisplayMessage(message, cpThinkOutput);
16716 DisplayComment (int moveNumber, char *text)
16718 char title[MSG_SIZ];
16720 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16721 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16723 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16724 WhiteOnMove(moveNumber) ? " " : ".. ",
16725 parseList[moveNumber]);
16727 if (text != NULL && (appData.autoDisplayComment || commentUp))
16728 CommentPopUp(title, text);
16731 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16732 * might be busy thinking or pondering. It can be omitted if your
16733 * gnuchess is configured to stop thinking immediately on any user
16734 * input. However, that gnuchess feature depends on the FIONREAD
16735 * ioctl, which does not work properly on some flavors of Unix.
16738 Attention (ChessProgramState *cps)
16741 if (!cps->useSigint) return;
16742 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16743 switch (gameMode) {
16744 case MachinePlaysWhite:
16745 case MachinePlaysBlack:
16746 case TwoMachinesPlay:
16747 case IcsPlayingWhite:
16748 case IcsPlayingBlack:
16751 /* Skip if we know it isn't thinking */
16752 if (!cps->maybeThinking) return;
16753 if (appData.debugMode)
16754 fprintf(debugFP, "Interrupting %s\n", cps->which);
16755 InterruptChildProcess(cps->pr);
16756 cps->maybeThinking = FALSE;
16761 #endif /*ATTENTION*/
16767 if (whiteTimeRemaining <= 0) {
16770 if (appData.icsActive) {
16771 if (appData.autoCallFlag &&
16772 gameMode == IcsPlayingBlack && !blackFlag) {
16773 SendToICS(ics_prefix);
16774 SendToICS("flag\n");
16778 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16780 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16781 if (appData.autoCallFlag) {
16782 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16789 if (blackTimeRemaining <= 0) {
16792 if (appData.icsActive) {
16793 if (appData.autoCallFlag &&
16794 gameMode == IcsPlayingWhite && !whiteFlag) {
16795 SendToICS(ics_prefix);
16796 SendToICS("flag\n");
16800 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16802 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16803 if (appData.autoCallFlag) {
16804 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16815 CheckTimeControl ()
16817 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16818 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16821 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16823 if ( !WhiteOnMove(forwardMostMove) ) {
16824 /* White made time control */
16825 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16826 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16827 /* [HGM] time odds: correct new time quota for time odds! */
16828 / WhitePlayer()->timeOdds;
16829 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16831 lastBlack -= blackTimeRemaining;
16832 /* Black made time control */
16833 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16834 / WhitePlayer()->other->timeOdds;
16835 lastWhite = whiteTimeRemaining;
16840 DisplayBothClocks ()
16842 int wom = gameMode == EditPosition ?
16843 !blackPlaysFirst : WhiteOnMove(currentMove);
16844 DisplayWhiteClock(whiteTimeRemaining, wom);
16845 DisplayBlackClock(blackTimeRemaining, !wom);
16849 /* Timekeeping seems to be a portability nightmare. I think everyone
16850 has ftime(), but I'm really not sure, so I'm including some ifdefs
16851 to use other calls if you don't. Clocks will be less accurate if
16852 you have neither ftime nor gettimeofday.
16855 /* VS 2008 requires the #include outside of the function */
16856 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16857 #include <sys/timeb.h>
16860 /* Get the current time as a TimeMark */
16862 GetTimeMark (TimeMark *tm)
16864 #if HAVE_GETTIMEOFDAY
16866 struct timeval timeVal;
16867 struct timezone timeZone;
16869 gettimeofday(&timeVal, &timeZone);
16870 tm->sec = (long) timeVal.tv_sec;
16871 tm->ms = (int) (timeVal.tv_usec / 1000L);
16873 #else /*!HAVE_GETTIMEOFDAY*/
16876 // include <sys/timeb.h> / moved to just above start of function
16877 struct timeb timeB;
16880 tm->sec = (long) timeB.time;
16881 tm->ms = (int) timeB.millitm;
16883 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16884 tm->sec = (long) time(NULL);
16890 /* Return the difference in milliseconds between two
16891 time marks. We assume the difference will fit in a long!
16894 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16896 return 1000L*(tm2->sec - tm1->sec) +
16897 (long) (tm2->ms - tm1->ms);
16902 * Code to manage the game clocks.
16904 * In tournament play, black starts the clock and then white makes a move.
16905 * We give the human user a slight advantage if he is playing white---the
16906 * clocks don't run until he makes his first move, so it takes zero time.
16907 * Also, we don't account for network lag, so we could get out of sync
16908 * with GNU Chess's clock -- but then, referees are always right.
16911 static TimeMark tickStartTM;
16912 static long intendedTickLength;
16915 NextTickLength (long timeRemaining)
16917 long nominalTickLength, nextTickLength;
16919 if (timeRemaining > 0L && timeRemaining <= 10000L)
16920 nominalTickLength = 100L;
16922 nominalTickLength = 1000L;
16923 nextTickLength = timeRemaining % nominalTickLength;
16924 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16926 return nextTickLength;
16929 /* Adjust clock one minute up or down */
16931 AdjustClock (Boolean which, int dir)
16933 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16934 if(which) blackTimeRemaining += 60000*dir;
16935 else whiteTimeRemaining += 60000*dir;
16936 DisplayBothClocks();
16937 adjustedClock = TRUE;
16940 /* Stop clocks and reset to a fresh time control */
16944 (void) StopClockTimer();
16945 if (appData.icsActive) {
16946 whiteTimeRemaining = blackTimeRemaining = 0;
16947 } else if (searchTime) {
16948 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16949 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16950 } else { /* [HGM] correct new time quote for time odds */
16951 whiteTC = blackTC = fullTimeControlString;
16952 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16953 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16955 if (whiteFlag || blackFlag) {
16957 whiteFlag = blackFlag = FALSE;
16959 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16960 DisplayBothClocks();
16961 adjustedClock = FALSE;
16964 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16966 /* Decrement running clock by amount of time that has passed */
16970 long timeRemaining;
16971 long lastTickLength, fudge;
16974 if (!appData.clockMode) return;
16975 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16979 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16981 /* Fudge if we woke up a little too soon */
16982 fudge = intendedTickLength - lastTickLength;
16983 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16985 if (WhiteOnMove(forwardMostMove)) {
16986 if(whiteNPS >= 0) lastTickLength = 0;
16987 timeRemaining = whiteTimeRemaining -= lastTickLength;
16988 if(timeRemaining < 0 && !appData.icsActive) {
16989 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16990 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16991 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16992 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16995 DisplayWhiteClock(whiteTimeRemaining - fudge,
16996 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16998 if(blackNPS >= 0) lastTickLength = 0;
16999 timeRemaining = blackTimeRemaining -= lastTickLength;
17000 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17001 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17003 blackStartMove = forwardMostMove;
17004 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17007 DisplayBlackClock(blackTimeRemaining - fudge,
17008 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17010 if (CheckFlags()) return;
17012 if(twoBoards) { // count down secondary board's clocks as well
17013 activePartnerTime -= lastTickLength;
17015 if(activePartner == 'W')
17016 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17018 DisplayBlackClock(activePartnerTime, TRUE);
17023 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17024 StartClockTimer(intendedTickLength);
17026 /* if the time remaining has fallen below the alarm threshold, sound the
17027 * alarm. if the alarm has sounded and (due to a takeback or time control
17028 * with increment) the time remaining has increased to a level above the
17029 * threshold, reset the alarm so it can sound again.
17032 if (appData.icsActive && appData.icsAlarm) {
17034 /* make sure we are dealing with the user's clock */
17035 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17036 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17039 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17040 alarmSounded = FALSE;
17041 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17043 alarmSounded = TRUE;
17049 /* A player has just moved, so stop the previously running
17050 clock and (if in clock mode) start the other one.
17051 We redisplay both clocks in case we're in ICS mode, because
17052 ICS gives us an update to both clocks after every move.
17053 Note that this routine is called *after* forwardMostMove
17054 is updated, so the last fractional tick must be subtracted
17055 from the color that is *not* on move now.
17058 SwitchClocks (int newMoveNr)
17060 long lastTickLength;
17062 int flagged = FALSE;
17066 if (StopClockTimer() && appData.clockMode) {
17067 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17068 if (!WhiteOnMove(forwardMostMove)) {
17069 if(blackNPS >= 0) lastTickLength = 0;
17070 blackTimeRemaining -= lastTickLength;
17071 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17072 // if(pvInfoList[forwardMostMove].time == -1)
17073 pvInfoList[forwardMostMove].time = // use GUI time
17074 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17076 if(whiteNPS >= 0) lastTickLength = 0;
17077 whiteTimeRemaining -= lastTickLength;
17078 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17079 // if(pvInfoList[forwardMostMove].time == -1)
17080 pvInfoList[forwardMostMove].time =
17081 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17083 flagged = CheckFlags();
17085 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17086 CheckTimeControl();
17088 if (flagged || !appData.clockMode) return;
17090 switch (gameMode) {
17091 case MachinePlaysBlack:
17092 case MachinePlaysWhite:
17093 case BeginningOfGame:
17094 if (pausing) return;
17098 case PlayFromGameFile:
17106 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17107 if(WhiteOnMove(forwardMostMove))
17108 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17109 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17113 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17114 whiteTimeRemaining : blackTimeRemaining);
17115 StartClockTimer(intendedTickLength);
17119 /* Stop both clocks */
17123 long lastTickLength;
17126 if (!StopClockTimer()) return;
17127 if (!appData.clockMode) return;
17131 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17132 if (WhiteOnMove(forwardMostMove)) {
17133 if(whiteNPS >= 0) lastTickLength = 0;
17134 whiteTimeRemaining -= lastTickLength;
17135 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17137 if(blackNPS >= 0) lastTickLength = 0;
17138 blackTimeRemaining -= lastTickLength;
17139 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17144 /* Start clock of player on move. Time may have been reset, so
17145 if clock is already running, stop and restart it. */
17149 (void) StopClockTimer(); /* in case it was running already */
17150 DisplayBothClocks();
17151 if (CheckFlags()) return;
17153 if (!appData.clockMode) return;
17154 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17156 GetTimeMark(&tickStartTM);
17157 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17158 whiteTimeRemaining : blackTimeRemaining);
17160 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17161 whiteNPS = blackNPS = -1;
17162 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17163 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17164 whiteNPS = first.nps;
17165 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17166 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17167 blackNPS = first.nps;
17168 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17169 whiteNPS = second.nps;
17170 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17171 blackNPS = second.nps;
17172 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17174 StartClockTimer(intendedTickLength);
17178 TimeString (long ms)
17180 long second, minute, hour, day;
17182 static char buf[32];
17184 if (ms > 0 && ms <= 9900) {
17185 /* convert milliseconds to tenths, rounding up */
17186 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17188 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17192 /* convert milliseconds to seconds, rounding up */
17193 /* use floating point to avoid strangeness of integer division
17194 with negative dividends on many machines */
17195 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17202 day = second / (60 * 60 * 24);
17203 second = second % (60 * 60 * 24);
17204 hour = second / (60 * 60);
17205 second = second % (60 * 60);
17206 minute = second / 60;
17207 second = second % 60;
17210 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17211 sign, day, hour, minute, second);
17213 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17215 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17222 * This is necessary because some C libraries aren't ANSI C compliant yet.
17225 StrStr (char *string, char *match)
17229 length = strlen(match);
17231 for (i = strlen(string) - length; i >= 0; i--, string++)
17232 if (!strncmp(match, string, length))
17239 StrCaseStr (char *string, char *match)
17243 length = strlen(match);
17245 for (i = strlen(string) - length; i >= 0; i--, string++) {
17246 for (j = 0; j < length; j++) {
17247 if (ToLower(match[j]) != ToLower(string[j]))
17250 if (j == length) return string;
17258 StrCaseCmp (char *s1, char *s2)
17263 c1 = ToLower(*s1++);
17264 c2 = ToLower(*s2++);
17265 if (c1 > c2) return 1;
17266 if (c1 < c2) return -1;
17267 if (c1 == NULLCHAR) return 0;
17275 return isupper(c) ? tolower(c) : c;
17282 return islower(c) ? toupper(c) : c;
17284 #endif /* !_amigados */
17291 if ((ret = (char *) malloc(strlen(s) + 1)))
17293 safeStrCpy(ret, s, strlen(s)+1);
17299 StrSavePtr (char *s, char **savePtr)
17304 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17305 safeStrCpy(*savePtr, s, strlen(s)+1);
17317 clock = time((time_t *)NULL);
17318 tm = localtime(&clock);
17319 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17320 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17321 return StrSave(buf);
17326 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17328 int i, j, fromX, fromY, toX, toY;
17335 whiteToPlay = (gameMode == EditPosition) ?
17336 !blackPlaysFirst : (move % 2 == 0);
17339 /* Piece placement data */
17340 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17341 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17343 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17344 if (boards[move][i][j] == EmptySquare) {
17346 } else { ChessSquare piece = boards[move][i][j];
17347 if (emptycount > 0) {
17348 if(emptycount<10) /* [HGM] can be >= 10 */
17349 *p++ = '0' + emptycount;
17350 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17353 if(PieceToChar(piece) == '+') {
17354 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17356 piece = (ChessSquare)(DEMOTED piece);
17358 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17360 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17361 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17366 if (emptycount > 0) {
17367 if(emptycount<10) /* [HGM] can be >= 10 */
17368 *p++ = '0' + emptycount;
17369 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17376 /* [HGM] print Crazyhouse or Shogi holdings */
17377 if( gameInfo.holdingsWidth ) {
17378 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17380 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17381 piece = boards[move][i][BOARD_WIDTH-1];
17382 if( piece != EmptySquare )
17383 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17384 *p++ = PieceToChar(piece);
17386 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17387 piece = boards[move][BOARD_HEIGHT-i-1][0];
17388 if( piece != EmptySquare )
17389 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17390 *p++ = PieceToChar(piece);
17393 if( q == p ) *p++ = '-';
17399 *p++ = whiteToPlay ? 'w' : 'b';
17402 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17403 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17405 if(nrCastlingRights) {
17407 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17408 /* [HGM] write directly from rights */
17409 if(boards[move][CASTLING][2] != NoRights &&
17410 boards[move][CASTLING][0] != NoRights )
17411 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17412 if(boards[move][CASTLING][2] != NoRights &&
17413 boards[move][CASTLING][1] != NoRights )
17414 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17415 if(boards[move][CASTLING][5] != NoRights &&
17416 boards[move][CASTLING][3] != NoRights )
17417 *p++ = boards[move][CASTLING][3] + AAA;
17418 if(boards[move][CASTLING][5] != NoRights &&
17419 boards[move][CASTLING][4] != NoRights )
17420 *p++ = boards[move][CASTLING][4] + AAA;
17423 /* [HGM] write true castling rights */
17424 if( nrCastlingRights == 6 ) {
17426 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17427 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17428 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17429 boards[move][CASTLING][2] != NoRights );
17430 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17431 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17432 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17433 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17434 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17438 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17439 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17440 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17441 boards[move][CASTLING][5] != NoRights );
17442 if(gameInfo.variant == VariantSChess) {
17443 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17444 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17445 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17446 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17451 if (q == p) *p++ = '-'; /* No castling rights */
17455 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17456 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17457 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17458 /* En passant target square */
17459 if (move > backwardMostMove) {
17460 fromX = moveList[move - 1][0] - AAA;
17461 fromY = moveList[move - 1][1] - ONE;
17462 toX = moveList[move - 1][2] - AAA;
17463 toY = moveList[move - 1][3] - ONE;
17464 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17465 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17466 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17468 /* 2-square pawn move just happened */
17470 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17474 } else if(move == backwardMostMove) {
17475 // [HGM] perhaps we should always do it like this, and forget the above?
17476 if((signed char)boards[move][EP_STATUS] >= 0) {
17477 *p++ = boards[move][EP_STATUS] + AAA;
17478 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17490 { int i = 0, j=move;
17492 /* [HGM] find reversible plies */
17493 if (appData.debugMode) { int k;
17494 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17495 for(k=backwardMostMove; k<=forwardMostMove; k++)
17496 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17500 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17501 if( j == backwardMostMove ) i += initialRulePlies;
17502 sprintf(p, "%d ", i);
17503 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17505 /* Fullmove number */
17506 sprintf(p, "%d", (move / 2) + 1);
17507 } else *--p = NULLCHAR;
17509 return StrSave(buf);
17513 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17517 int emptycount, virgin[BOARD_FILES];
17522 /* Piece placement data */
17523 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17526 if (*p == '/' || *p == ' ' || *p == '[' ) {
17528 emptycount = gameInfo.boardWidth - j;
17529 while (emptycount--)
17530 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17531 if (*p == '/') p++;
17532 else if(autoSize) { // we stumbled unexpectedly into end of board
17533 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17534 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17536 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17539 #if(BOARD_FILES >= 10)
17540 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17541 p++; emptycount=10;
17542 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17543 while (emptycount--)
17544 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17546 } else if (*p == '*') {
17547 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17548 } else if (isdigit(*p)) {
17549 emptycount = *p++ - '0';
17550 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17551 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17552 while (emptycount--)
17553 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17554 } else if (*p == '+' || isalpha(*p)) {
17555 if (j >= gameInfo.boardWidth) return FALSE;
17557 piece = CharToPiece(*++p);
17558 if(piece == EmptySquare) return FALSE; /* unknown piece */
17559 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17560 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17561 } else piece = CharToPiece(*p++);
17563 if(piece==EmptySquare) return FALSE; /* unknown piece */
17564 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17565 piece = (ChessSquare) (PROMOTED piece);
17566 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17569 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17575 while (*p == '/' || *p == ' ') p++;
17577 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17579 /* [HGM] by default clear Crazyhouse holdings, if present */
17580 if(gameInfo.holdingsWidth) {
17581 for(i=0; i<BOARD_HEIGHT; i++) {
17582 board[i][0] = EmptySquare; /* black holdings */
17583 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17584 board[i][1] = (ChessSquare) 0; /* black counts */
17585 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17589 /* [HGM] look for Crazyhouse holdings here */
17590 while(*p==' ') p++;
17591 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17593 if(*p == '-' ) p++; /* empty holdings */ else {
17594 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17595 /* if we would allow FEN reading to set board size, we would */
17596 /* have to add holdings and shift the board read so far here */
17597 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17599 if((int) piece >= (int) BlackPawn ) {
17600 i = (int)piece - (int)BlackPawn;
17601 i = PieceToNumber((ChessSquare)i);
17602 if( i >= gameInfo.holdingsSize ) return FALSE;
17603 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17604 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17606 i = (int)piece - (int)WhitePawn;
17607 i = PieceToNumber((ChessSquare)i);
17608 if( i >= gameInfo.holdingsSize ) return FALSE;
17609 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17610 board[i][BOARD_WIDTH-2]++; /* black holdings */
17617 while(*p == ' ') p++;
17621 if(appData.colorNickNames) {
17622 if( c == appData.colorNickNames[0] ) c = 'w'; else
17623 if( c == appData.colorNickNames[1] ) c = 'b';
17627 *blackPlaysFirst = FALSE;
17630 *blackPlaysFirst = TRUE;
17636 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17637 /* return the extra info in global variiables */
17639 /* set defaults in case FEN is incomplete */
17640 board[EP_STATUS] = EP_UNKNOWN;
17641 for(i=0; i<nrCastlingRights; i++ ) {
17642 board[CASTLING][i] =
17643 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17644 } /* assume possible unless obviously impossible */
17645 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17646 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17647 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17648 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17649 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17650 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17651 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17652 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17655 while(*p==' ') p++;
17656 if(nrCastlingRights) {
17657 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17658 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17659 /* castling indicator present, so default becomes no castlings */
17660 for(i=0; i<nrCastlingRights; i++ ) {
17661 board[CASTLING][i] = NoRights;
17664 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17665 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17666 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17667 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17668 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17670 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17671 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17672 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17674 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17675 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17676 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17677 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17678 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17679 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17682 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17683 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17684 board[CASTLING][2] = whiteKingFile;
17685 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17686 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17689 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17690 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17691 board[CASTLING][2] = whiteKingFile;
17692 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17693 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17696 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17697 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17698 board[CASTLING][5] = blackKingFile;
17699 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17700 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17703 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17704 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17705 board[CASTLING][5] = blackKingFile;
17706 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17707 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17710 default: /* FRC castlings */
17711 if(c >= 'a') { /* black rights */
17712 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17713 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17714 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17715 if(i == BOARD_RGHT) break;
17716 board[CASTLING][5] = i;
17718 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17719 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17721 board[CASTLING][3] = c;
17723 board[CASTLING][4] = c;
17724 } else { /* white rights */
17725 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17726 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17727 if(board[0][i] == WhiteKing) break;
17728 if(i == BOARD_RGHT) break;
17729 board[CASTLING][2] = i;
17730 c -= AAA - 'a' + 'A';
17731 if(board[0][c] >= WhiteKing) break;
17733 board[CASTLING][0] = c;
17735 board[CASTLING][1] = c;
17739 for(i=0; i<nrCastlingRights; i++)
17740 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17741 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17742 if (appData.debugMode) {
17743 fprintf(debugFP, "FEN castling rights:");
17744 for(i=0; i<nrCastlingRights; i++)
17745 fprintf(debugFP, " %d", board[CASTLING][i]);
17746 fprintf(debugFP, "\n");
17749 while(*p==' ') p++;
17752 /* read e.p. field in games that know e.p. capture */
17753 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17754 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17755 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17757 p++; board[EP_STATUS] = EP_NONE;
17759 char c = *p++ - AAA;
17761 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17762 if(*p >= '0' && *p <='9') p++;
17763 board[EP_STATUS] = c;
17768 if(sscanf(p, "%d", &i) == 1) {
17769 FENrulePlies = i; /* 50-move ply counter */
17770 /* (The move number is still ignored) */
17777 EditPositionPasteFEN (char *fen)
17780 Board initial_position;
17782 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
17783 DisplayError(_("Bad FEN position in clipboard"), 0);
17786 int savedBlackPlaysFirst = blackPlaysFirst;
17787 EditPositionEvent();
17788 blackPlaysFirst = savedBlackPlaysFirst;
17789 CopyBoard(boards[0], initial_position);
17790 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17791 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17792 DisplayBothClocks();
17793 DrawPosition(FALSE, boards[currentMove]);
17798 static char cseq[12] = "\\ ";
17801 set_cont_sequence (char *new_seq)
17806 // handle bad attempts to set the sequence
17808 return 0; // acceptable error - no debug
17810 len = strlen(new_seq);
17811 ret = (len > 0) && (len < sizeof(cseq));
17813 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17814 else if (appData.debugMode)
17815 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17820 reformat a source message so words don't cross the width boundary. internal
17821 newlines are not removed. returns the wrapped size (no null character unless
17822 included in source message). If dest is NULL, only calculate the size required
17823 for the dest buffer. lp argument indicats line position upon entry, and it's
17824 passed back upon exit.
17827 wrap (char *dest, char *src, int count, int width, int *lp)
17829 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17831 cseq_len = strlen(cseq);
17832 old_line = line = *lp;
17833 ansi = len = clen = 0;
17835 for (i=0; i < count; i++)
17837 if (src[i] == '\033')
17840 // if we hit the width, back up
17841 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17843 // store i & len in case the word is too long
17844 old_i = i, old_len = len;
17846 // find the end of the last word
17847 while (i && src[i] != ' ' && src[i] != '\n')
17853 // word too long? restore i & len before splitting it
17854 if ((old_i-i+clen) >= width)
17861 if (i && src[i-1] == ' ')
17864 if (src[i] != ' ' && src[i] != '\n')
17871 // now append the newline and continuation sequence
17876 strncpy(dest+len, cseq, cseq_len);
17884 dest[len] = src[i];
17888 if (src[i] == '\n')
17893 if (dest && appData.debugMode)
17895 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17896 count, width, line, len, *lp);
17897 show_bytes(debugFP, src, count);
17898 fprintf(debugFP, "\ndest: ");
17899 show_bytes(debugFP, dest, len);
17900 fprintf(debugFP, "\n");
17902 *lp = dest ? line : old_line;
17907 // [HGM] vari: routines for shelving variations
17908 Boolean modeRestore = FALSE;
17911 PushInner (int firstMove, int lastMove)
17913 int i, j, nrMoves = lastMove - firstMove;
17915 // push current tail of game on stack
17916 savedResult[storedGames] = gameInfo.result;
17917 savedDetails[storedGames] = gameInfo.resultDetails;
17918 gameInfo.resultDetails = NULL;
17919 savedFirst[storedGames] = firstMove;
17920 savedLast [storedGames] = lastMove;
17921 savedFramePtr[storedGames] = framePtr;
17922 framePtr -= nrMoves; // reserve space for the boards
17923 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17924 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17925 for(j=0; j<MOVE_LEN; j++)
17926 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17927 for(j=0; j<2*MOVE_LEN; j++)
17928 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17929 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17930 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17931 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17932 pvInfoList[firstMove+i-1].depth = 0;
17933 commentList[framePtr+i] = commentList[firstMove+i];
17934 commentList[firstMove+i] = NULL;
17938 forwardMostMove = firstMove; // truncate game so we can start variation
17942 PushTail (int firstMove, int lastMove)
17944 if(appData.icsActive) { // only in local mode
17945 forwardMostMove = currentMove; // mimic old ICS behavior
17948 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17950 PushInner(firstMove, lastMove);
17951 if(storedGames == 1) GreyRevert(FALSE);
17952 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17956 PopInner (Boolean annotate)
17959 char buf[8000], moveBuf[20];
17961 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17962 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17963 nrMoves = savedLast[storedGames] - currentMove;
17966 if(!WhiteOnMove(currentMove))
17967 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17968 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17969 for(i=currentMove; i<forwardMostMove; i++) {
17971 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17972 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17973 strcat(buf, moveBuf);
17974 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17975 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17979 for(i=1; i<=nrMoves; i++) { // copy last variation back
17980 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17981 for(j=0; j<MOVE_LEN; j++)
17982 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17983 for(j=0; j<2*MOVE_LEN; j++)
17984 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17985 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17986 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17987 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17988 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17989 commentList[currentMove+i] = commentList[framePtr+i];
17990 commentList[framePtr+i] = NULL;
17992 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17993 framePtr = savedFramePtr[storedGames];
17994 gameInfo.result = savedResult[storedGames];
17995 if(gameInfo.resultDetails != NULL) {
17996 free(gameInfo.resultDetails);
17998 gameInfo.resultDetails = savedDetails[storedGames];
17999 forwardMostMove = currentMove + nrMoves;
18003 PopTail (Boolean annotate)
18005 if(appData.icsActive) return FALSE; // only in local mode
18006 if(!storedGames) return FALSE; // sanity
18007 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18009 PopInner(annotate);
18010 if(currentMove < forwardMostMove) ForwardEvent(); else
18011 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18013 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18019 { // remove all shelved variations
18021 for(i=0; i<storedGames; i++) {
18022 if(savedDetails[i])
18023 free(savedDetails[i]);
18024 savedDetails[i] = NULL;
18026 for(i=framePtr; i<MAX_MOVES; i++) {
18027 if(commentList[i]) free(commentList[i]);
18028 commentList[i] = NULL;
18030 framePtr = MAX_MOVES-1;
18035 LoadVariation (int index, char *text)
18036 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18037 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18038 int level = 0, move;
18040 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18041 // first find outermost bracketing variation
18042 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18043 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18044 if(*p == '{') wait = '}'; else
18045 if(*p == '[') wait = ']'; else
18046 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18047 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18049 if(*p == wait) wait = NULLCHAR; // closing ]} found
18052 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18053 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18054 end[1] = NULLCHAR; // clip off comment beyond variation
18055 ToNrEvent(currentMove-1);
18056 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18057 // kludge: use ParsePV() to append variation to game
18058 move = currentMove;
18059 ParsePV(start, TRUE, TRUE);
18060 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18061 ClearPremoveHighlights();
18063 ToNrEvent(currentMove+1);
18069 char *p, *q, buf[MSG_SIZ];
18070 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18071 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18072 ParseArgsFromString(buf);
18073 ActivateTheme(TRUE); // also redo colors
18077 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18080 q = appData.themeNames;
18081 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18082 if(appData.useBitmaps) {
18083 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18084 appData.liteBackTextureFile, appData.darkBackTextureFile,
18085 appData.liteBackTextureMode,
18086 appData.darkBackTextureMode );
18088 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18089 Col2Text(2), // lightSquareColor
18090 Col2Text(3) ); // darkSquareColor
18092 if(appData.useBorder) {
18093 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18096 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18098 if(appData.useFont) {
18099 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18100 appData.renderPiecesWithFont,
18101 appData.fontToPieceTable,
18102 Col2Text(9), // appData.fontBackColorWhite
18103 Col2Text(10) ); // appData.fontForeColorBlack
18105 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18106 appData.pieceDirectory);
18107 if(!appData.pieceDirectory[0])
18108 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18109 Col2Text(0), // whitePieceColor
18110 Col2Text(1) ); // blackPieceColor
18112 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18113 Col2Text(4), // highlightSquareColor
18114 Col2Text(5) ); // premoveHighlightColor
18115 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18116 if(insert != q) insert[-1] = NULLCHAR;
18117 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18120 ActivateTheme(FALSE);