// Through this method, whenever an item properties change the container invokes the OnInvenotryChange event for its clients
private void HookUpItemEventsToContainer(BasicItem item)
{
// Remove previous listeners if they exists
item.OnNameChange.RemoveAllListeners();
item.OnGraphicChange.RemoveAllListeners();
item.OnNameChange.AddListener(delegate { OnInventoryChange.Invoke(); });
item.OnGraphicChange.AddListener(delegate { OnInventoryChange.Invoke(); });
}
// Returns the item of a given slot index, or null if such item doesn't exist
public BasicItem GetItemOfSlotIndex(int slotIndex)
{
BasicItem item = null;
if (items.TryGetValue(slotIndex, out item))
{
return(item);
}
return(item);
}
// Clears the slot and its entry in the dictionary
public void ClearItemOfSlot(int slotIndex)
{
BasicItem item = null;
if (items.TryGetValue(slotIndex, out item))
{
items.Remove(slotIndex);
item = null;
OnInventoryChange.Invoke();
}
}
//Finds the first item of a given name, or returns null if there is no such item
public BasicItem FindFirstItemOfName(string itemName)
{
BasicItem item = new BasicItem();
foreach (KeyValuePair <int, BasicItem> entry in items)
{
if (entry.Value.Name == itemName)
{
item = entry.Value;
return(item);
}
}
return(item);
}
// Adds an item as a single stack, and returns true if it was successful
public bool AddItemAsASingleStack(BasicItem item)
{
int iEmptySlot = FindEmptySlot();
if (iEmptySlot == -1)
{
return(false); // if there are no free slots, do nothing
}
else
{
HookUpItemEventsToContainer(item);
items.Add(iEmptySlot, item);
OnInventoryChange.Invoke();
return(true);
}
}
