public void AddRegion(IScene scene)
{
if(!m_enabled)
return;
m_scene = scene;
scene.EventManager.OnMakeRootAgent += EventManager_OnMakeRootAgent;
scene.EventManager.OnMakeChildAgent += EventManager_OnMakeChildAgent;
scene.EventManager.OnRemovePresence += EventManager_OnRemovePresence;
scene.EventManager.OnChatFromClient += EventManager_OnChatFromClient;
}