using Sandbox;
using Sandbox.Rendering;

/// <summary>Desaturates the local VR death view after the map's color adjustments.</summary>
public sealed class VrDeathEffect : BasePostProcess
{
	private static readonly Material Shader = Material.FromShader( "shaders/postprocess/pp_color.shader" );

	public override void Render()
	{
		Attributes.Set( "blend", 1f );
		Attributes.Set( "saturate", 0f );
		Attributes.Set( "hue_rotate", 0f );
		Attributes.Set( "brightness", 1f );
		Attributes.Set( "contrast", 1f );

		// Use a separate pass so PostProcessVolumes cannot blend color back into the death view.
		Blit( BlitMode.WithBackbuffer( Shader, Stage.AfterPostProcess, 4000 ), "VR Death Grayscale" );
	}
}