/// <summary>
/// R_RenderScene
/// r_refdef must be set before the first call
/// </summary>
private void RenderScene( )
{
SetupFrame( );
SetFrustum( );
SetupGL( );
Occlusion.MarkLeaves( ); // done here so we know if we're in water
DrawWorld( ); // adds entities to the list
Host.Sound.ExtraUpdate( ); // don't let sound get messed up if going slow
DrawEntitiesOnList( );
Host.Video.Device.DisableMultitexture( );
RenderDlights( );
Particles.DrawParticles(Host.Client.cl.time, Host.Client.cl.oldtime, Host.Server.Gravity, Origin, ViewUp, ViewRight, ViewPn);
#if GLTEST
Test_Draw();
#endif
}