SSTUTools.SSTUStockInterop.updatePartHighlighting C# (CSharp) Method

        public static void updatePartHighlighting(Part part)
        {
            if (!HighLogic.LoadedSceneIsEditor && !HighLogic.LoadedSceneIsFlight) { return; }//noop on prefabs
            if (part.HighlightRenderer != null)
            {
                part.HighlightRenderer = null;
                Transform model = part.transform.FindRecursive("model");
                if (model != null)
                {
                    Renderer[] renders = model.GetComponentsInChildren<Renderer>(false);
                    part.HighlightRenderer = new List<Renderer>(renders);
                }
                else
                {
                    part.HighlightRenderer = new List<Renderer>();
                }
                part.RefreshHighlighter();
            }
        }

 /// <summary>
 /// Updates part highlight renderer list, sends message to SSTUFlagDecal to update its renderer,
 ///  sends message to FAR to update voxels, or if createDefaultCube==true will re-render the 'default' stock drag cube for the part<para/>
 /// Should be called anytime the model geometry in a part is changed -- either models added/deleted, procedural meshes updated.  Other methods exist for pure drag-cube updating in SSTUStockInterop.
 /// </summary>
 /// <param name="part"></param>
 /// <param name="createDefaultCube"></param>
 public static void onPartGeometryUpdate(Part part, bool createDefaultCube)
 {
     if (!HighLogic.LoadedSceneIsEditor && !HighLogic.LoadedSceneIsFlight)
     {
         return;
     }                                                                                //noop on prefabs
     //MonoBehaviour.print(System.Environment.StackTrace);
     SSTUStockInterop.updatePartHighlighting(part);
     part.airlock = locateAirlock(part);
     partGeometryUpdate(part);
     if (isFARInstalled())
     {
         SSTUStockInterop.addFarUpdatePart(part);
         //FARdebug(part);
         //part.SendMessage("GeometryPartModuleRebuildMeshData");
     }
     else if (createDefaultCube && (HighLogic.LoadedSceneIsEditor || HighLogic.LoadedSceneIsFlight))
     {
         SSTUStockInterop.addDragUpdatePart(part);
     }
     if (HighLogic.LoadedSceneIsEditor && part.parent == null && part != EditorLogic.RootPart) //likely the part under the cursor; this fixes problems with modular parts not wanting to attach to stuff
     {
         part.gameObject.SetLayerRecursive(1, 2097152);                                        //1<<21 = Part Triggers get skipped by the relayering (hatches, ladders, ??)
     }
 }