public sealed class UI : Component
{
	[ConVar( "sbdm.ui", ConVarFlags.Cheat ), Change( nameof( OnIsEnabledChanged ) )]
	public static bool IsEnabled { get; set; } = true;

	public static Color CrosshairActive = "#E6AD12";
	public static Color CrosshairInactive = CrosshairActive.WithAlpha( 0.2f );

	private static UI Current { get; set; }

	static void OnIsEnabledChanged( bool before, bool after )
	{
		if ( Current.IsValid() )
		{
			Current.Update();
		}
	}

	protected override void OnStart()
	{
		Current = this;
		Update();
	}

	private void Update()
	{
		foreach ( var x in GetComponentsInChildren<PanelComponent>( true ) )
		{
			x.Enabled = IsEnabled;
		}

		// Weapon HUDs (crosshairs) are drawn by the engine straight onto the camera, which gates them
		// on its "ui" exclude tag rather than on our panels - so flip that too, or they survive this.
		if ( Scene.IsValid() && Scene.Camera.IsValid() )
		{
			if ( IsEnabled )
				Scene.Camera.RenderExcludeTags.Remove( "ui" );
			else
				Scene.Camera.RenderExcludeTags.Add( "ui" );
		}
	}
}