public void OnDisable()
{
_layoutView = null;
EditorApplication.hierarchyWindowChanged -= LoadLayoutView;
SceneView.onSceneGUIDelegate -= OnSceneGUI;
_commandHistory.Dispose();
_commandHistory = null;
}
private void LoadLayoutView()
{
var editorObject = GameObject.Find("Editor");
if (editorObject != null)
{
_layoutView = editorObject.GetComponent <PuzzleLayoutView>();
}
}
