void set_castle_right(Square ksq, Square rsq);
bool move_is_legal(const Move m) const;
- // Helper functions for doing and undoing moves
- void do_capture_move(Key& key, PieceType capture, Color them, Square to, bool ep);
+ // Helper template functions
template<bool Do> void do_castle_move(Move m);
-
- template<bool FindPinned>
- Bitboard hidden_checkers() const;
+ template<bool FindPinned> Bitboard hidden_checkers() const;
// Computing hash keys from scratch (for initialization and debugging)
Key compute_key() const;
// Bitboards
Bitboard byTypeBB[8]; // [pieceType]
Bitboard byColorBB[2]; // [color]
+ Bitboard occupied;
// Piece counts
int pieceCount[2][8]; // [color][pieceType]
}
inline Bitboard Position::occupied_squares() const {
- return byTypeBB[0];
+ return occupied;
}
inline Bitboard Position::empty_squares() const {
- return ~byTypeBB[0];
+ return ~occupied;
}
inline Bitboard Position::pieces(Color c) const {
return st->checkersBB != 0;
}
+inline Bitboard Position::discovered_check_candidates() const {
+ return hidden_checkers<false>();
+}
+
+inline Bitboard Position::pinned_pieces() const {
+ return hidden_checkers<true>();
+}
+
inline bool Position::pawn_is_passed(Color c, Square s) const {
return !(pieces(PAWN, flip(c)) & passed_pawn_mask(c, s));
}