/// <summary>
/// Loads the specified Nyx XML.
/// </summary>
/// <param name="filename">The filename.</param>
/// <returns>A <see cref="Scene" /> instance.</returns>
public Scene Load(string filename)
{
XDocument doc = XDocument.Load(filename);
IEnumerable<XElement> entities = doc.Root.Elements("entities");
Scene scene = new Scene();
foreach (var node in entities.Elements("directional-light"))
{
scene.AttachSceneNodeToRoot(this.ParseDirectionalLight(node));
}
foreach (var node in entities.Elements("point-light"))
{
scene.AttachSceneNodeToRoot(this.ParsePointLight(node));
}
foreach (var node in entities.Elements("spot-light"))
{
scene.AttachSceneNodeToRoot(this.ParseSpotLight(node));
}
foreach (var node in entities.Elements("object"))
{
scene.AttachSceneNodeToRoot(this.ParseObject(node));
}
return scene;
}
/// <summary>
/// Loads a scene.
/// </summary>
/// <param name="filename">The filename of the scene to load.</param>
public void LoadScene(string filename)
{
var sceneLoader = new SceneLoader();
this.scene = sceneLoader.Load(filename);
this.scene.Initialize(this.engine);
}
/// <summary>
/// Initializes this instance.
/// </summary>
public virtual void Initialize()
{
this.scene = new Scene();
this.InitializeEmptyScene();
}