/// <summary>
/// Perform action on all the items contained in the shop
/// </summary>
/// <param name="_action"></param>
public void DoOnAllItems(Action <Item> _action)
{
if (_action == null)
{
return;
}
for (int i = 0; i < categories.Count; i++)
{
CategoryData category = categories[i];
if (category != null)
{
category.DoOnAllItems(_action);
}
}
}
