sbox-public/engine/Sandbox.Engine/Scene/Components/Light/EnvmapProbe.Gizmo.cs

namespace Sandbox;

public partial class EnvmapProbe
{
	protected override void DrawGizmos()
	{
		Gizmo.Hitbox.Sphere( new Sphere( 0, 10 ) );

		bool hovered = Gizmo.IsHovered;
		bool selected = Gizmo.IsSelected;

		var mdl = Gizmo.Draw.Model( Model.Sphere );
		mdl.Transform = mdl.Transform.WithScale( (hovered && !selected) ? 0.3f : 0.25f );
		mdl.SetMaterialOverride( Material.Load( "materials/dev/dev_metal_rough00.vmat" ) );

		// TODO - We could probably do this with a sprite. And we could force the current envmap texture onto it.

		if ( Gizmo.IsSelected )
		{
			for ( int i = 0; i < 2; i++ )
			{
				float alpha;

				if ( i == 0 )
				{
					Gizmo.Draw.IgnoreDepth = true;
					alpha = 0.2f;
				}
				else
				{
					Gizmo.Draw.IgnoreDepth = false;
					alpha = 1f;
				}

				Gizmo.Draw.Color = TintColor.WithAlpha( 1 * alpha );
				Gizmo.Draw.LineBBox( Bounds );

				Gizmo.Draw.Color = TintColor.WithAlpha( 0.05f * alpha );
				Gizmo.Draw.SolidBox( Bounds );

				Gizmo.Draw.Color = TintColor.WithAlpha( 0.2f * alpha );
				Gizmo.Draw.LineBBox( Bounds.Grow( Feathering ) );
			}
		}
	}
}