// Bitboards for pinned pieces and discovered check candidates
Bitboard discovered_check_candidates(Color c) const;
- Bitboard pinned_pieces(Color c, Bitboard& p) const;
Bitboard pinned_pieces(Color c) const;
// Checking pieces and under check information
// Information about attacks to or from a given square
Bitboard attackers_to(Square s) const;
- Bitboard piece_attacks_from(Piece p, Square s) const;
- Bitboard pawn_attacks_from(Square s, Color c) const;
- template<PieceType> Bitboard piece_attacks_from(Square s) const;
+ Bitboard attacks_from(Piece p, Square s) const;
+ template<PieceType> Bitboard attacks_from(Square s) const;
+ template<PieceType> Bitboard attacks_from(Square s, Color c) const;
// Properties of moves
bool pl_move_is_legal(Move m) const;
return relative_square(c, make_square(initialQRFile, RANK_1));
}
-inline Bitboard Position::pawn_attacks_from(Square s, Color c) const {
+template<>
+inline Bitboard Position::attacks_from<PAWN>(Square s, Color c) const {
return StepAttackBB[piece_of_color_and_type(c, PAWN)][s];
}
-template<PieceType Piece> // Knight and King
-inline Bitboard Position::piece_attacks_from(Square s) const {
+template<PieceType Piece> // Knight and King and white pawns
+inline Bitboard Position::attacks_from(Square s) const {
return StepAttackBB[Piece][s];
}
template<>
-inline Bitboard Position::piece_attacks_from<PAWN>(Square s) const {
- return StepAttackBB[WP][s] | StepAttackBB[BP][s];
-}
-
-template<>
-inline Bitboard Position::piece_attacks_from<BISHOP>(Square s) const {
+inline Bitboard Position::attacks_from<BISHOP>(Square s) const {
return bishop_attacks_bb(s, occupied_squares());
}
template<>
-inline Bitboard Position::piece_attacks_from<ROOK>(Square s) const {
+inline Bitboard Position::attacks_from<ROOK>(Square s) const {
return rook_attacks_bb(s, occupied_squares());
}
template<>
-inline Bitboard Position::piece_attacks_from<QUEEN>(Square s) const {
- return piece_attacks_from<ROOK>(s) | piece_attacks_from<BISHOP>(s);
+inline Bitboard Position::attacks_from<QUEEN>(Square s) const {
+ return attacks_from<ROOK>(s) | attacks_from<BISHOP>(s);
}
inline Bitboard Position::checkers() const {