/// <summary>
/// Remove items from the inventory.
/// </summary>
/// <param name="items">Items to remove from the inventory.</param>
/// <param name="remainingItems">Items that couldn't be removed from the inventory.</param>
/// <returns>Returns the items that have been removed.</returns>
public void RemoveItemsFromInventory(List <Item> items, out List <Item> remainingItems)
{
remainingItems = new List <Item>();
List <int> indexes = new List <int>();
foreach (Item item in items)
{
CheckIfItemExistsInInventory(item.ItemData, out int availableAmount);
if (availableAmount >= item.Amount)
{
RemoveItemFromInventory(item.ItemData, item.Amount, ref indexes);
}
else
{
RemoveItemFromInventory(item.ItemData, availableAmount, ref indexes);
int diff = item.Amount - availableAmount;
if (diff > 0)
{
remainingItems.Add(new Item(item.ItemData, diff));
}
}
}
OnDirtyItemsEvent?.Invoke(indexes, Items);
}
/// <summary>
/// Add items to the inventory.
/// </summary>
/// <param name="items">Items to add to the inventory.</param>
/// <param name="remainingItems">Items that couldn't be added to the inventory.</param>
/// /// <returns>Returns the items that have been added.</returns>
public void AddItemsToInventory(List <Item> items, out List <Item> remainingItems)
{
remainingItems = new List <Item>();
List <int> indexes = new List <int>();
foreach (Item item in items)
{
int availableAmount = GetNumberOfAvailableSlotForItem(item.ItemData);
if (availableAmount == 0)
{
remainingItems.Add(new Item(item.ItemData, item.Amount));
continue;
}
if (availableAmount >= item.Amount)
{
AddItemToInventory(item.ItemData, item.Amount, ref indexes);
}
else
{
AddItemToInventory(item.ItemData, availableAmount, ref indexes);
int diff = item.Amount - availableAmount;
if (diff > 0)
{
remainingItems.Add(new Item(item.ItemData, diff));
}
}
}
OnDirtyItemsEvent?.Invoke(indexes, Items);
}
