ddmyx/objects/oParentPlayerHitbox/Step_0.gml

if !instance_exists(owner)
	instance_destroy();

x = owner.x + x_offset;
y = owner.y + y_offset;

var _temp_list = ds_list_create();
var _num = instance_place_list(x, y, oParentAttackable, _temp_list, false);

for (var i = 0; i < _num; i++)
{
    var _inst = _temp_list[| i];

    if ds_list_find_index(hit_list, _inst) == -1
	{
		if ds_list_empty(hit_list)
            with(owner)
			{
                global.hitstop = other.hit_feedback;
				if other.y_offset > 0 // 下劈
					player_perform_pogo();
				if other.x_offset != 0 // 反冲
					player_perform_recoil();
            }
		if object_is_ancestor(_inst.object_index, oParentEnemy)
            with(_inst)
			{
				enemy_get_hit(other.damage, other.kb_factor_x, other.kb_factor_y);
			}
        ds_list_add(hit_list, _inst);
    }
}
ds_list_destroy(_temp_list);