Using the Mayan Temple Kit from BitGem, I created a two channel PBR vertex blend shader with heightmap control for both Unity and Unreal.
Texture Blending & Vertex Painting Functionality
Write-Up Documentation
Curious to see how I did it? Have time to spend? Want to read about the method behind the madness? Interested in glimpsing an insight from a handful of sleepless nights? Check-out this handy-dandy PDF detailing all the nitty-gritty of the project!