// unsubscribe from multiple tags
public void Unsubscribe(string[] tags, Enterable script)
{
foreach (string tag in tags)
{
Unsubscribe(tag, script);
}
}
// subscribe the listener to a given tag
public void Subscribe(string tag, Enterable script)
{
// creating a new list of subscribers if necessary
if (!subscribers.ContainsKey(tag))
{
subscribers[tag] = new List <Enterable>();
nearbyObjects[tag] = new List <GameObject>();
}
// add the subscriber
subscribers[tag].Add(script);
}
// unsubscribe listener from the tag
public void Unsubscribe(string tag, Enterable script)
{
if (subscribers.ContainsKey(tag))
{
// remove subscriber from the list of subscribers
subscribers[tag].Remove(script);
// remove dictionary entry if no other subscribers are interested in this tag...
if (subscribers[tag].Count == 0)
{
subscribers.Remove(tag);
}
}
}
