- switch (type_of(pos.piece_on(from)))
- {
- case PAWN: /* Will be generated togheter with pawns direct checks */ break;
- case KNIGHT: mlist = generate_discovered_checks<KNIGHT>(pos, mlist, from); break;
- case BISHOP: mlist = generate_discovered_checks<BISHOP>(pos, mlist, from); break;
- case ROOK: mlist = generate_discovered_checks<ROOK>(pos, mlist, from); break;
- case KING: mlist = generate_discovered_checks<KING>(pos, mlist, from); break;
- default: assert(false); break;
- }
+ pt = type_of(pos.piece_on(from));
+
+ if (pt == PAWN)
+ continue; // Will be generated togheter with direct checks
+
+ b = pos.attacks_from(Piece(pt), from) & pos.empty_squares();
+
+ if (pt == KING)
+ b &= ~QueenPseudoAttacks[ksq];
+
+ SERIALIZE_MOVES(b);