Nightmare Before Christmas Forest

Description

I designed this environment in Blender with the hopes of importing it into SteamVR as an environment, but I can't for the life of me figure out how to combine all the objects in the scene into one object for baking without messing up the UV maps and materials. So I'm putting it out there for the Interwebs to use as you please. If anyone does figure out a way to accomplish what I could not, I'd be very interested in seeing!