#if TOOLS

[Tool]
public partial class TerrainEditingPlugin
	: EditorPlugin
{
	TerrainEditingControls _controls;

	public override bool _Handles(GodotObject obj)
		=> obj is Terrain;

	public override void _EnterTree()
	{
		var scene = GD.Load<PackedScene>("res://addons/terrain-editing/TerrainEditingControls.tscn");
		_controls = scene.Instantiate<TerrainEditingControls>();
	}

	public override void _ExitTree()
	{
		if (_controls == null) return;
		_controls.QueueFree();
		_controls = null;
	}

	public override void _MakeVisible(bool visible)
	{
		var container = CustomControlContainer.SpatialEditorSideRight;
		if (visible)
			AddControlToContainer(container, _controls);
		else if (_controls != null)
			RemoveControlFromContainer(container, _controls);
	}
}
#endif