case ROOM_T_INNER_FEAT: return build_type4(p_ptr->current_floor_ptr);
case ROOM_T_NEST: return build_type5(p_ptr->current_floor_ptr);
case ROOM_T_PIT: return build_type6(p_ptr->current_floor_ptr);
case ROOM_T_INNER_FEAT: return build_type4(p_ptr->current_floor_ptr);
case ROOM_T_NEST: return build_type5(p_ptr->current_floor_ptr);
case ROOM_T_PIT: return build_type6(p_ptr->current_floor_ptr);