private void AddItemToInventory(Item item, int amount)
{
bool addingNew = !Owned(item.itemId);
ItemListing listing = this.GetItemListingForId(addingNew, item.itemId);
listing.Add(amount);
InventoryAdjustment adjustment = addingNew ? InventoryAdjustment.ADD : InventoryAdjustment.UPDATE;
var adjustmentArgs = new InventoryAdjustmentEventArgs(listing, adjustment);
InventoryAdjusted.BroadcastEvent(this, adjustmentArgs);
}
