public void AddItemToShoppingCart(ItemInstance newItem)
{
int indexOf = shoppingCart.IndexOf(newItem);
if (indexOf >= 0)
{
shoppingCart[indexOf].stock += newItem.stock;
}
else
{
ItemInstance newItemInstance = new ItemInstance(newItem);
ShoppingCartTransactionButton newButton = Instantiate(buttonPrefab, parent);
newButton.HeldItem = newItemInstance;
shoppingCart.Add(newItemInstance);
}
costOfTransaction += newItem.stock * newItem.item.baseSellPrice;
}
public void RemoveFromShoppingCart(ShoppingCartTransactionButton itemToRemove, int howMany)
{
int indexOf = shoppingCart.IndexOf(itemToRemove.HeldItem);
if (indexOf >= 0)
{
if (itemToRemove.HeldItem.stock - howMany <= 0)
{
howMany = itemToRemove.HeldItem.stock;
costOfTransaction -= howMany * itemToRemove.HeldItem.item.baseSellPrice;
shopPanel.ReturnItem(itemToRemove.HeldItem, howMany);
itemToRemove.HeldItem.stock = 0;
shoppingCart.RemoveAt(indexOf);
}
else
{
costOfTransaction -= howMany * itemToRemove.HeldItem.item.baseSellPrice;
shopPanel.ReturnItem(itemToRemove.HeldItem, howMany);
itemToRemove.HeldItem.stock -= howMany;
}
}
}