X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=a9aa514c97ab21caf63c0a9355643c0d136148a4;hp=02e2d45515a1588b8bfbd7792f7fbc4381750371;hb=e8b7109efffd95c8f8f3c030d41952d103b3e0fc;hpb=caef31921900e092616c56193e37201b08baa875 diff --git a/src/types.h b/src/types.h index 02e2d455..a9aa514c 100644 --- a/src/types.h +++ b/src/types.h @@ -119,20 +119,18 @@ enum Move { MOVE_NULL = 65 }; -struct MoveStack { - Move move; - int score; +enum MoveType { + NORMAL = 0, + PROMOTION = 1 << 14, + ENPASSANT = 2 << 14, + CASTLE = 3 << 14 }; -inline bool operator<(const MoveStack& f, const MoveStack& s) { - return f.score < s.score; -} - -enum CastleRight { +enum CastleRight { // Defined as in PolyGlot book hash key CASTLES_NONE = 0, WHITE_OO = 1, - BLACK_OO = 2, - WHITE_OOO = 4, + WHITE_OOO = 2, + BLACK_OO = 4, BLACK_OOO = 8, ALL_CASTLES = 15 }; @@ -168,7 +166,18 @@ enum Value { VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + MAX_PLY, VALUE_ENSURE_INTEGER_SIZE_P = INT_MAX, - VALUE_ENSURE_INTEGER_SIZE_N = INT_MIN + VALUE_ENSURE_INTEGER_SIZE_N = INT_MIN, + + PawnValueMidgame = 198, + PawnValueEndgame = 258, + KnightValueMidgame = 817, + KnightValueEndgame = 846, + BishopValueMidgame = 836, + BishopValueEndgame = 857, + RookValueMidgame = 1270, + RookValueEndgame = 1278, + QueenValueMidgame = 2521, + QueenValueEndgame = 2558 }; enum PieceType { @@ -312,21 +321,19 @@ inline Score apply_weight(Score v, Score w) { #undef ENABLE_OPERATORS_ON #undef ENABLE_SAFE_OPERATORS_ON -const Value PawnValueMidgame = Value(198); -const Value PawnValueEndgame = Value(258); -const Value KnightValueMidgame = Value(817); -const Value KnightValueEndgame = Value(846); -const Value BishopValueMidgame = Value(836); -const Value BishopValueEndgame = Value(857); -const Value RookValueMidgame = Value(1270); -const Value RookValueEndgame = Value(1278); -const Value QueenValueMidgame = Value(2521); -const Value QueenValueEndgame = Value(2558); - extern const Value PieceValueMidgame[17]; // Indexed by Piece or PieceType extern const Value PieceValueEndgame[17]; extern int SquareDistance[64][64]; +struct MoveStack { + Move move; + int score; +}; + +inline bool operator<(const MoveStack& f, const MoveStack& s) { + return f.score < s.score; +} + inline Color operator~(Color c) { return Color(c ^ 1); } @@ -335,6 +342,10 @@ inline Square operator~(Square s) { return Square(s ^ 56); // Vertical flip SQ_A1 -> SQ_A8 } +inline Square operator|(File f, Rank r) { + return Square((r << 3) | f); +} + inline Value mate_in(int ply) { return VALUE_MATE - ply; } @@ -348,7 +359,7 @@ inline Piece make_piece(Color c, PieceType pt) { } inline CastleRight make_castle_right(Color c, CastlingSide s) { - return CastleRight((s == KING_SIDE ? WHITE_OO : WHITE_OOO) << c); + return CastleRight(WHITE_OO << ((s == QUEEN_SIDE) + 2 * c)); } inline PieceType type_of(Piece p) { @@ -359,10 +370,6 @@ inline Color color_of(Piece p) { return Color(p >> 3); } -inline Square make_square(File f, Rank r) { - return Square((r << 3) | f); -} - inline bool is_ok(Square s) { return s >= SQ_A1 && s <= SQ_H8; } @@ -392,7 +399,7 @@ inline Rank relative_rank(Color c, Square s) { } inline bool opposite_colors(Square s1, Square s2) { - int s = s1 ^ s2; + int s = int(s1) ^ int(s2); return ((s >> 3) ^ s) & 1; } @@ -408,10 +415,6 @@ inline int square_distance(Square s1, Square s2) { return SquareDistance[s1][s2]; } -inline char piece_type_to_char(PieceType pt) { - return " PNBRQK"[pt]; -} - inline char file_to_char(File f) { return char(f - FILE_A + int('a')); } @@ -432,20 +435,8 @@ inline Square to_sq(Move m) { return Square(m & 0x3F); } -inline bool is_special(Move m) { - return m & (3 << 14); -} - -inline bool is_promotion(Move m) { - return (m & (3 << 14)) == (1 << 14); -} - -inline int is_enpassant(Move m) { - return (m & (3 << 14)) == (2 << 14); -} - -inline int is_castle(Move m) { - return (m & (3 << 14)) == (3 << 14); +inline MoveType type_of(Move m) { + return MoveType(m & (3 << 14)); } inline PieceType promotion_type(Move m) { @@ -456,16 +447,9 @@ inline Move make_move(Square from, Square to) { return Move(to | (from << 6)); } -inline Move make_promotion(Square from, Square to, PieceType pt) { - return Move(to | (from << 6) | (1 << 14) | ((pt - 2) << 12)) ; -} - -inline Move make_enpassant(Square from, Square to) { - return Move(to | (from << 6) | (2 << 14)); -} - -inline Move make_castle(Square from, Square to) { - return Move(to | (from << 6) | (3 << 14)); +template +inline Move make(Square from, Square to, PieceType pt = KNIGHT) { + return Move(to | (from << 6) | T | ((pt - KNIGHT) << 12)) ; } inline bool is_ok(Move m) {