class SceneManager
{
public:
	//constructor
	SceneManager() : _meshCache(&_textureCache)
	{}

	//get scene graph ptr
	SceneGraph* sceneGraph() { return &_sceneGraph; }

	//caches
	Texture2DCache* textureCache() { return &_textureCache; }
	MeshCache*      meshCache()    { return &_meshCache; }
	CameraCache*    cameraCache()  { return &_cameraCache; }

	//attach Mesh to SceneNode
	static bool attachMeshToSceneNode(SceneNode *sceneNode, Mesh *mesh);

private:
	SceneGraph _sceneGraph;

	Texture2DCache _textureCache;
	MeshCache _meshCache;
	CameraCache _cameraCache;

	static void _loadSceneNode(SceneNode *sceneNode, MeshNode *meshNode, Mesh *attachedMesh);
};