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 SetItem(Item item)
{
Item oldItem = Item;
Item = item;
OnSlotChanged?.Invoke(Index);
OnSlotItemChanged?.Invoke(Index, oldItem);
}
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 bool TrySetItem(Item item)
{
Item oldItem = Item;
if (CanSetItem(item))
{
if (Item == null)
{
Item = item;
OnSlotChanged?.Invoke(Index);
OnSlotItemChanged?.Invoke(Index, oldItem);
}
return(true);
}
return(false);
}