/// <summary>
 /// Setup constructor
 /// </summary>
 /// <param name="loader">Asset loader</param>
 /// <param name="source">Asset source</param>
 /// <param name="parameters">Loading parameters</param>
 public LoadState( IAssetLoader loader, ISource source, LoadParameters parameters )
 {
     m_Loader		= loader;
     m_Source		= source;
     m_Parameters	= parameters ?? loader.CreateDefaultParameters( false );
 }