// Castling
bool can_castle(CastleRight f) const;
bool can_castle(Color c) const;
- bool castle_impeded(CastleRight f) const;
- Square castle_rook_square(CastleRight f) const;
+ bool castle_impeded(Color c, CastlingSide s) const;
+ Square castle_rook_square(Color c, CastlingSide s) const;
// Checking
bool in_check() const;
int index[64]; // [square]
// Other info
- int castleRightsMask[64]; // [square]
- Square castleRookSquare[16]; // [castleRight]
- Bitboard castlePath[16]; // [castleRight]
+ int castleRightsMask[64]; // [square]
+ Square castleRookSquare[2][2]; // [color][side]
+ Bitboard castlePath[2][2]; // [color][side]
StateInfo startState;
int64_t nodes;
int startPosPly;
return st->castleRights & ((WHITE_OO | WHITE_OOO) << c);
}
-inline bool Position::castle_impeded(CastleRight f) const {
- return byTypeBB[ALL_PIECES] & castlePath[f];
+inline bool Position::castle_impeded(Color c, CastlingSide s) const {
+ return byTypeBB[ALL_PIECES] & castlePath[c][s];
}
-inline Square Position::castle_rook_square(CastleRight f) const {
- return castleRookSquare[f];
+inline Square Position::castle_rook_square(Color c, CastlingSide s) const {
+ return castleRookSquare[c][s];
}
template<PieceType Pt>