private static void RegisterGlobalListener(int priority, EventCallback callback)
{
List <EventCallback> listeners;
if (GlobalListeners.TryGetValue(priority, out listeners))
{
listeners.Add(callback);
}
else
{
GlobalListeners.Add(priority, new List <EventCallback> {
callback
});
}
}
private static void RemoveGlobalListener(int priority, EventCallback callback)
{
List <EventCallback> listeners;
if (GlobalListeners.TryGetValue(priority, out listeners))
{
listeners.Remove(callback);
// Remove this priority if there are no more listeners
if (listeners == null || listeners.Count == 0)
{
GlobalListeners.RemoveAt(priority);
}
}
else
{
// Only log as a warning as this isn't technically an error, just something to keep an eye on as it shouldn't happen.
Debug.LogWarning($"Trying to remove a callback from priority {priority}, which does not exist for {GenericTypeName}.");
}
}
