public int Consume(int amount)
{
if (Amount <= 0)
{
Amount = 0;
return(0);
}
Item oldItem = Item;
int oldAmount = Amount;
int consumed = Mathf.Min(Amount, amount);
Amount -= consumed;
if (Amount <= 0)
{
Item = null;
if (oldItem != null)
{
OnSlotItemChanged?.Invoke(Index, oldItem);
}
Amount = 0;
}
OnSlotAmountChanged?.Invoke(Index, oldAmount);
OnSlotChanged?.Invoke(Index);
return(consumed);
}
public void SetItemAmount(Item item, int amount)
{
Item oldItem = Item;
int oldAmount = Amount;
Item = item;
Amount = amount;
OnSlotChanged?.Invoke(Index);
OnSlotItemChanged?.Invoke(Index, oldItem);
OnSlotAmountChanged?.Invoke(Index, oldAmount);
}
public void SetAmount(int amount)
{
Item oldItem = Item;
int oldAmount = Amount;
Amount = Mathf.Max(amount, 0);
if (Amount == 0)
{
Item = null;
OnSlotItemChanged?.Invoke(Index, oldItem);
}
Amount = amount;
OnSlotChanged?.Invoke(Index);
OnSlotAmountChanged?.Invoke(Index, oldAmount);
}
public int AddAmount(int amount)
{
int oldAmount = Amount;
int maxAdd = 0;
if (Item.stackable)
{
maxAdd = 64 - Amount;
Amount += Mathf.Min(maxAdd, amount);
}
else if (Amount <= 0)
{
Amount = 1;
maxAdd = 1;
}
OnSlotChanged?.Invoke(Index);
OnSlotAmountChanged?.Invoke(Index, oldAmount);
return(Mathf.Min(maxAdd, amount));
}