Having the ability to make it One-Way on the Dynamic Lighting layer versus "wall" is awesome; it seems to me that adding a third "this is a door" option that, when toggled, it makes the object on that layer allow light both ways without me having to rotate the door's object on the layer, which gets seriously tedious. The functionality seems to already be there, since I can switch the direction of the One-Way with a toggle switch. Should be easy to add, then?