public void ChangeScene(ScenegraphViewModel scene)
{
if (scene != null)
{
ReleaseCurrentScene();
}
this.scene = scene;
}
/// <summary>
///
/// </summary>
/// <param name="d"></param>
/// <param name="e"></param>
private static void OnSceneGraphChanged(DependencyObject d,
DependencyPropertyChangedEventArgs e)
{
Aegir.Util.DebugUtil.LogWithLocation("ScenegraphDP Callback triggered");
RenderView view = d as RenderView;
ScenegraphViewModel newScene = e.NewValue as ScenegraphViewModel;
ScenegraphViewModel oldScene = e.OldValue as ScenegraphViewModel;
if (newScene != null)
{
view.OnSceneGraphInstanceChanged(newScene, oldScene);
}
}
public void OnSceneGraphInstanceChanged(ScenegraphViewModel newScene,
ScenegraphViewModel oldScene)
{
Aegir.Util.DebugUtil.LogWithLocation("Scene Instance changed");
//unlisten old
if (oldScene != null)
{
oldScene.ScenegraphChanged -= OnSceneGraphChanged;
oldScene.InvalidateChildren -= OnInvalidateChildren;
}
if (newScene == null)
{
throw new ArgumentNullException("newScene",
"Argument newScene cannot be set to a null reference");
}
newScene.ScenegraphChanged += OnSceneGraphChanged;
newScene.InvalidateChildren += OnInvalidateChildren;
RenderHandler.ChangeScene(newScene);
}