void RegisterForCollision()
{
if (collisionCallback != null && Entity.EventListener.HasCallback(collisionCallback))
{
Entity.EventListener.RemoveCallback(collisionCallback);
}
collisionCallback = Entity.EventListener.AddCallback(new EntityEventCallback(OnCollision, EEntityEvent.ENTITY_EVENT_COLLISION));
}
public void RemoveCallback(EntityEventCallback listener)
{
if (callbacks.Contains(listener))
{
Env.EntitySystem.RemoveEntityEventListener(owningEntity.Id, listener.Trigger, this);
callbacks.Remove(listener);
}
else
{
Log.Error("[EntityEventListener] Cannot remove callback as the specified callback was never registered.");
}
}
public bool HasCallback(EntityEventCallback callback)
{
return(callbacks.Contains(callback));
}
public EntityEventCallback AddCallback(EntityEventCallback callback)
{
Env.EntitySystem.AddEntityEventListener(owningEntity.Id, callback.Trigger, this);
callbacks.Add(callback);
return(callback);
}
