So occlusion culling is working fine on a per scene selected basis. But I want to change the base meshes properties to be occluders and occludees automatically, without having to go through the scene and select each one. My game has a limited selection of meshes that are repeated often, and the need for being an occluder or occludee is going to be extremely predictable. It would make designing a level go a lot faster if I didn't have to go through and mark each mesh individually.