/// <summary>
/// Adds a new item to units inventory
/// Unit referece is important so that we can check item level requirement etc.
/// </summary>
/// <param name="item">The item to add</param>
/// <param name="unit">Add unit reference</param>
/// <param name="quantity">The quantity to add</param>
public void AddItemToInventory(Item item, Unit unit, int quantity = 1)
{
bool breakFlag = false;
while ((quantity > 0) && (!breakFlag))
{
InventoryItem existsAndMoreSpace = UnitInventory.SingleOrDefault(x => (x.Details.ID == item.ID) && (x.Quantity < item.MaxStackableQuantity));
if (existsAndMoreSpace != null)
{
// Get item from inventory and calculate how many we can add to the already existing stack
InventoryItem inInventory = UnitInventory.First(x => (x.Details.ID == item.ID) && (x.Quantity < item.MaxStackableQuantity));
int maximumToAddInStack = (item.MaxStackableQuantity - inInventory.Quantity);
// Add to stack. Either full quantity, or the remaning amount too reach max.
int addToQuantity = Math.Min(quantity, maximumToAddInStack);
// Add to stack and decrease the quantity added
inInventory.AddToQuantity(addToQuantity);
quantity -= addToQuantity;
}
else
{
if (UnitInventory.Count < MAXIMUM_SPACE_IN_INVENTORY)
{
// Add new value, but let the While loop add quantity
item.ItemUnit = unit;
UnitInventory.Add(new InventoryItem(item, 0));
}
else
{
_unit.RaiseMessage("There is no space in inventory.");
breakFlag = true;
}
}
}
}
