/// <summary>
/// Adds a given number of the given Item type to this Inventory
/// </summary>
/// <param name="type">The Item type to add</param>
/// <param name="quantity">The number of items to add</param>
public void addItem(Item type, int quantity)
{
if (quantity < 0 || type.Equals(Item.Nothing))
return; //bad arguments
if (this.items[(int)type] == 0)
{
this.order[numTypes++] = (int)type;
}
this.items[(int)type] += quantity;
total += quantity;
// push event
InventoryEventArgs args = new InventoryEventArgs();
args.type = type;
args.quantity = quantity;
pushEvent(args);
}
private void pushEvent(InventoryEventArgs e)
{
if (InventoryChanged != null)
{
InventoryChanged(this, e);
}
}
/// <summary>
/// Listens for inventory changed events and updates the entries.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void updateInventory(object sender, InventoryEventArgs e)
{
Item item = e.type;
int quantity = e.quantity;
if (Hero.instance.inventory.numItem(item) == 0) // no more items of this type
{
this.entries.Remove(allEntries[(int)item]);
this.loadEntries(); // !! this automatically resizes the list of entries on the panel
}
else if (Hero.instance.inventory.numItem(item) == quantity)
{
ItemEntry itemEntry = allEntries[(int)item];
this.loadEntries(itemEntry);
}
}
/// <summary>
/// Removes a given number of the given item type from this Inventory
/// </summary>
/// <param name="type">The Item type to remove</param>
/// <param name="quantity">The number of items to remove</param>
public void removeItem(Item type, int quantity)
{
if (quantity < 0 || type.Equals(Item.Nothing))
return; //bad arguments
if (this.items[(int)type] <= quantity)
{
int i = 0;
for (; order[i] != (int)type; i++) ;
Array.Copy(order, i + 1, order, i, numTypes - 1 - i);
order[numTypes - 1] = -1;
numTypes--; // O(n) operation
quantity = this.items[(int)type]; //remove all items of this type
}
this.items[(int)type] -= quantity;
this.total -= quantity;
// push event
InventoryEventArgs args = new InventoryEventArgs();
args.type = type;
args.quantity = -quantity;
pushEvent(args);
}
private void inventoryEventListener(object sender, InventoryEventArgs e)
{
if (e.quantity > 0)
{
this.pushNotification("Received " + SunsetUtils.enumToString<Item>(e.type) + "(" + e.quantity + ")");
}
}
