//! Loads a new context stack after clearing the existing one
public void LoadContextStack(string path)
{
PopAllContexts(true);
m_ContextStack = new ContextStack();
m_ContextStack.LoadFromXML(path, null);
m_ContextStack.Init();
}
//! initializes the engine
public void Init()
{
// create core singletons
EntityRenderer.CreateInstance();
GraphicsManager.CreateInstance();
ObjectManager.CreateInstance();
VisitorManager.CreateInstance();
StatsManager.CreateInstance();
m_ContextStack = new ContextStack();
}