public void AddItemCombination(List<string> requiredItems, List<string> addedItems, List<string> removedItems)
{
ItemCombination itemCombination = new ItemCombination(requiredItems, addedItems, removedItems);
itemCombinations.Add(itemCombination);
}
private void CombineItems(ItemCombination itemCombination)
{
DeselectCurrentItem();
AddItems(itemCombination.AddedItems);
RemoveItems(itemCombination.RemovedItems);
ArrangeItems();
}