// Knight promotion is the only promotion that can give a direct check
// that's not already included in the queen promotion.
- if (Type == QUIET_CHECKS && (PseudoAttacks[KNIGHT][to] & ksq))
+ if (Type == QUIET_CHECKS && (attacks_bb<KNIGHT>(to) & ksq))
*moveList++ = make<PROMOTION>(to - D, to, KNIGHT);
else
(void)ksq; // Silence a warning under MSVC
if (Type == QUIET_CHECKS)
{
- b1 &= pos.attacks_from<PAWN>(ksq, Them);
- b2 &= pos.attacks_from<PAWN>(ksq, Them);
+ b1 &= pawn_attacks_bb(Them, ksq);
+ b2 &= pawn_attacks_bb(Them, ksq);
// Add pawn pushes which give discovered check. This is possible only
// if the pawn is not on the same file as the enemy king, because we
if (Type == EVASIONS && !(target & (pos.ep_square() - Up)))
return moveList;
- b1 = pawnsNotOn7 & pos.attacks_from<PAWN>(pos.ep_square(), Them);
+ b1 = pawnsNotOn7 & pawn_attacks_bb(Them, pos.ep_square());
assert(b1);
if (Checks)
{
if ( (Pt == BISHOP || Pt == ROOK || Pt == QUEEN)
- && !(PseudoAttacks[Pt][from] & target & pos.check_squares(Pt)))
+ && !(attacks_bb<Pt>(from) & target & pos.check_squares(Pt)))
continue;
if (pos.blockers_for_king(~us) & from)
continue;
}
- Bitboard b = pos.attacks_from<Pt>(from) & target;
+ Bitboard b = attacks_bb<Pt>(from, pos.pieces()) & target;
if (Checks)
b &= pos.check_squares(Pt);
if (Type != QUIET_CHECKS && Type != EVASIONS)
{
Square ksq = pos.square<KING>(Us);
- Bitboard b = pos.attacks_from<KING>(ksq) & target;
+ Bitboard b = attacks_bb<KING>(ksq) & target;
while (b)
*moveList++ = make_move(ksq, pop_lsb(&b));
Square from = pop_lsb(&dc);
PieceType pt = type_of(pos.piece_on(from));
- Bitboard b = pos.attacks_from(pt, from) & ~pos.pieces();
+ Bitboard b = attacks_bb(pt, from, pos.pieces()) & ~pos.pieces();
if (pt == KING)
- b &= ~PseudoAttacks[QUEEN][pos.square<KING>(~us)];
+ b &= ~attacks_bb<QUEEN>(pos.square<KING>(~us));
while (b)
*moveList++ = make_move(from, pop_lsb(&b));
sliderAttacks |= LineBB[ksq][pop_lsb(&sliders)] & ~pos.checkers();
// Generate evasions for king, capture and non capture moves
- Bitboard b = pos.attacks_from<KING>(ksq) & ~pos.pieces(us) & ~sliderAttacks;
+ Bitboard b = attacks_bb<KING>(ksq) & ~pos.pieces(us) & ~sliderAttacks;
while (b)
*moveList++ = make_move(ksq, pop_lsb(&b));