* Massachusetts.
*
* Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
- * 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
+ * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
*
* Enhancements Copyright 2005 Alessandro Scotti
*
#ifdef WIN32
#include <windows.h>
-int flock(int f, int code);
-#define LOCK_EX 2
-#define SLASH '\\'
+ int flock(int f, int code);
+# define LOCK_EX 2
+# define SLASH '\\'
+
+# ifdef ARC_64BIT
+# define EGBB_NAME "egbbdll64.dll"
+# else
+# define EGBB_NAME "egbbdll.dll"
+# endif
#else
-#include <sys/file.h>
-#define SLASH '/'
+# include <sys/file.h>
+# define SLASH '/'
+
+# include <dlfcn.h>
+# ifdef ARC_64BIT
+# define EGBB_NAME "egbbso64.so"
+# else
+# define EGBB_NAME "egbbso.so"
+# endif
+ // kludge to allow Windows code in back-end by converting it to corresponding Linux code
+# define CDECL
+# define HMODULE void *
+# define LoadLibrary(x) dlopen(x, RTLD_LAZY)
+# define GetProcAddress dlsym
#endif
/* [HGM] debug */
cps->debug = FALSE;
+ cps->drawDepth = appData.drawDepth[n];
cps->supportsNPS = UNKNOWN;
cps->memSize = FALSE;
cps->maxCores = FALSE;
char buf[MSG_SIZ];
int err, len;
+ if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
+ !strcmp(appData.variant, "normal") && // no explicit variant request
+ appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
+ !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
+ !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
+ char c, *q = first.variants, *p = strchr(q, ',');
+ if(p) *p = NULLCHAR;
+ if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
+ int w, h, s;
+ if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
+ appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
+ ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
+ Reset(TRUE, FALSE); // and re-initialize
+ }
+ if(p) *p = ',';
+ }
+
InitChessProgram(&first, startedFromSetupPosition);
if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
default:
break;
case MT_CHECK:
- if(gameInfo.variant != VariantShogi)
+ if(!IS_SHOGI(gameInfo.variant))
strcat(parseList[moveNum - 1], "+");
break;
case MT_CHECKMATE:
// we either have a choice what to promote to, or (in Shogi) whether to promote
if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
- *promoChoice = PieceToChar(BlackFerz); // no choice
+ ChessSquare p=BlackFerz; // no choice
+ while(p < EmptySquare) { //but make sure we use piece that exists
+ *promoChoice = PieceToChar(p++);
+ if(*promoChoice != '.') break;
+ }
return FALSE;
}
// no sense asking what we must promote to if it is going to explode...
case MT_NONE:
default:
break;
+ case MT_STEALMATE:
case MT_STALEMATE:
case MT_STAINMATE:
reason = "Xboard adjudication: Stalemate";
return 0;
}
+typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
+typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
+static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
+
+static int
+BitbaseProbe ()
+{
+ int pieces[10], squares[10], cnt=0, r, f, res;
+ static int loaded;
+ static PPROBE_EGBB probeBB;
+ if(!appData.testLegality) return 10;
+ if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
+ if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
+ if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
+ for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
+ ChessSquare piece = boards[forwardMostMove][r][f];
+ int black = (piece >= BlackPawn);
+ int type = piece - black*BlackPawn;
+ if(piece == EmptySquare) continue;
+ if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
+ if(type == WhiteKing) type = WhiteQueen + 1;
+ type = egbbCode[type];
+ squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
+ pieces[cnt] = type + black*6;
+ if(++cnt > 5) return 11;
+ }
+ pieces[cnt] = squares[cnt] = 0;
+ // probe EGBB
+ if(loaded == 2) return 13; // loading failed before
+ if(loaded == 0) {
+ loaded = 2; // prepare for failure
+ char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
+ HMODULE lib;
+ PLOAD_EGBB loadBB;
+ if(!path) return 13; // no egbb installed
+ strncpy(buf, path + 8, MSG_SIZ);
+ if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
+ snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
+ lib = LoadLibrary(buf);
+ if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
+ loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
+ probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
+ if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
+ p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
+ loaded = 1; // success!
+ }
+ res = probeBB(forwardMostMove & 1, pieces, squares);
+ return res > 0 ? 1 : res < 0 ? -1 : 0;
+}
+
char *
SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
{ // [HGM] book: this routine intercepts moves to simulate book replies
char *bookHit = NULL;
+ if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
+ char buf[MSG_SIZ];
+ snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
+ SendToProgram(buf, cps);
+ }
//first determine if the incoming move brings opponent into his book
if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
default:
break;
case MT_CHECK:
- if(gameInfo.variant != VariantShogi)
+ if(!IS_SHOGI(gameInfo.variant))
strcat(parseList[boardIndex - 1], "+");
break;
case MT_CHECKMATE:
board[toY][toX+1] = board[fromY][BOARD_LEFT];
board[fromY][BOARD_LEFT] = EmptySquare;
} else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
- board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
+ board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
&& toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
) {
/* white pawn promotion */
board[fromY][0] = EmptySquare;
board[toY][2] = BlackRook;
} else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
- board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
+ board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
&& toY < promoRank && promoChar
) {
/* black pawn promotion */
board[toY][toX] = EmptySquare;
}
}
+
if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
} else
default:
break;
case MT_CHECK:
- if(gameInfo.variant != VariantShogi)
+ if(!IS_SHOGI(gameInfo.variant))
strcat(parseList[forwardMostMove - 1], "+");
break;
case MT_CHECKMATE:
SWAP(fenOverride, p)
SWAP(NPS, h)
SWAP(accumulateTC, h)
+ SWAP(drawDepth, h)
SWAP(host, p)
}
PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
{
int sq = fromX + (fromY<<4);
- int piece = quickBoard[sq];
+ int piece = quickBoard[sq], rook;
quickBoard[sq] = 0;
moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
- if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
+ if(piece == pieceList[1] && fromY == toY) {
+ if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
moveDatabase[movePtr++].piece = Q_WCASTL;
quickBoard[sq] = piece;
piece = quickBoard[from]; quickBoard[from] = 0;
moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
+ } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
+ quickBoard[sq] = 0; // remove Rook
+ moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
+ moveDatabase[movePtr++].piece = Q_WCASTL;
+ quickBoard[sq] = pieceList[1]; // put King
+ piece = rook;
+ moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
+ }
} else
- if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
+ if(piece == pieceList[2] && fromY == toY) {
+ if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
moveDatabase[movePtr++].piece = Q_BCASTL;
quickBoard[sq] = piece;
piece = quickBoard[from]; quickBoard[from] = 0;
moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
+ } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
+ quickBoard[sq] = 0; // remove Rook
+ moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
+ moveDatabase[movePtr++].piece = Q_BCASTL;
+ quickBoard[sq] = pieceList[2]; // put King
+ piece = rook;
+ moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
+ }
} else
if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
quickBoard[(fromY<<4)+toX] = 0;
projects / xboard.git / blobdiff