protected void processLoading( )
{
// Preload, load, unload and post unload as required
/* We try to PreLoad
* If no preload is required, then try to Load
* If no load is required, then try to UnLoad
* If no unload is required, then try to PostUnLoad.
*/
Page e;
e = pagePreloadQueue.Pop();
if (e != null)
{
e.Preload();
}
else
{
e = pageLoadQueue.Pop();
if (e != null)
{
e.Load(ref sceneRoot);
if (e.IsLoaded == false)
{
if (e.IsPreLoaded == false)
{
// If we are not PreLoaded, then we must preload
pagePreloadQueue.Push(e);
}
// If we are not loaded then queue again, since maybe we are not preloaded.
pageLoadQueue.Push(e);
}
}
else
{
e = pageUnloadQueue.Pop();
if (e != null)
{
e.Unload();
}
else
{
e = pagePostunloadQueue.Pop();
if (e != null)
{
e.PostUnload();
if (e.IsPreLoaded)
{
// If we are not post unloaded the queue again
pagePostunloadQueue.Push(e);
}
}
}
}
}
// load some renderables
RenderableManager.Instance.ExecuteRenderableLoading();
}