public void Drop(ItemStack stack)
{
ItemContainer drop = Instantiate(ResourcesLoader.LoadPref("ItemContainer")).GetComponent <ItemContainer>();
drop.transform.position = transform.position;
drop.SetItem(stack);
}
private void AddStack(ItemStack stack)
{
Slot freeSlot = slots.FirstOrDefault(x => !x.isBlock);
DragItem dragItem = Instantiate(ResourcesLoader.LoadPref("ItemIcon")).GetComponent <DragItem>();
dragItem.InitItem(stack);
dragItem.SetSlot(freeSlot);
}