Bitboard attacks_from(Piece p, Square s) const;
static Bitboard attacks_from(Piece p, Square s, Bitboard occ);
template<PieceType> Bitboard attacks_from(Square s) const;
Bitboard attacks_from(Piece p, Square s) const;
static Bitboard attacks_from(Piece p, Square s, Bitboard occ);
template<PieceType> Bitboard attacks_from(Square s) const;
- bool pl_move_is_evasion(Move m, Bitboard pinned) const;
- bool move_is_check(Move m) const;
- bool move_is_check(Move m, const CheckInfo& ci) const;
+ bool move_is_pl(const Move m) const;
+ bool move_gives_check(Move m, const CheckInfo& ci) const;
bool move_is_capture(Move m) const;
bool move_is_capture_or_promotion(Move m) const;
bool move_is_passed_pawn_push(Move m) const;
bool move_is_capture(Move m) const;
bool move_is_capture_or_promotion(Move m) const;
bool move_is_passed_pawn_push(Move m) const;
// Position consistency check, for debugging
bool is_ok(int* failedStep = NULL) const;
// Position consistency check, for debugging
bool is_ok(int* failedStep = NULL) const;
- void do_allow_oo(Color c);
- void do_allow_ooo(Color c);
- bool set_castling_rights(char token);
+ void set_castle_kingside(Color c);
+ void set_castle_queenside(Color c);
+ void set_castling_rights(char token);
+ bool move_is_pl_slow(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 functions for doing and undoing moves
void do_capture_move(Key& key, PieceType capture, Color them, Square to, bool ep);
-inline Value Position::midgame_value_of_piece_on(Square s) const {
- return PieceValueMidgame[piece_on(s)];
-}
-
-inline Value Position::endgame_value_of_piece_on(Square s) const {
- return PieceValueEndgame[piece_on(s)];
-}
-
-inline bool Position::can_castle_kingside(Color side) const {
- return st->castleRights & (1+int(side));
+inline bool Position::can_castle_kingside(Color c) const {
+ return st->castleRights & (WHITE_OO << c);
+}
+
+inline bool Position::can_castle_queenside(Color c) const {
+ return st->castleRights & (WHITE_OOO << c);
-inline bool Position::can_castle_queenside(Color side) const {
- return st->castleRights & (4+4*int(side));
+inline bool Position::can_castle(Color c) const {
+ return st->castleRights & ((WHITE_OO | WHITE_OOO) << c);
-inline bool Position::can_castle(Color side) const {
- return can_castle_kingside(side) || can_castle_queenside(side);
+inline void Position::set_castle_kingside(Color c) {
+ st->castleRights |= (WHITE_OO << c);
+}
+
+inline void Position::set_castle_queenside(Color c) {
+ st->castleRights |= (WHITE_OOO << c);
- // Move must not be MOVE_NONE !
- return (m & (3 << 15)) ? !move_is_castle(m) : !square_is_empty(move_to(m));
+ assert(m != MOVE_NONE && m != MOVE_NULL);
+ return move_is_special(m) ? !move_is_castle(m) : !square_is_empty(move_to(m));
- // Move must not be MOVE_NONE !
- return (m & (0x1F << 12)) ? !move_is_castle(m) : !square_is_empty(move_to(m));
+ assert(m != MOVE_NONE && m != MOVE_NULL);
+
+ // Note that castle is coded as "king captures the rook"
+ return (!square_is_empty(move_to(m)) && !move_is_castle(m)) || move_is_ep(m);