====== OBJECT_FLAG ======
===== Values =====
  * ''TERRAIN''
  * ''WATER''
  * ''BRIDGE''
  * ''PICKABLE''
  * ''WALL_CONTROL_POINT''
  * ''PLATFORM''
  * ''BUILDING_PART''
  * ''ATTACH_NODE_VISUAL''
  * ''GIZMO''
  * ''MOUSE_INTERACTABLE''
  * ''MOUSE_INTERACTABLE_FRONT''
  * ''WALL_PART''
  * ''BUILDING_PART_NON_INTERACTIVE''