Yes you are right. Lightmass does not like overlapping on the UV channel that will be used for the lightmap. For example, if you have 3 UV sets, the one that you have assigned in UDK to be used by lightmass, must be the one without overlapping, the others can have whatever they like. So generally, people create two UV…
I am in the process of creating some models to be put into udk. Its working towards my dissertation experiment and I am very short on time and it seems I have alot to learn :'). I have already created some and the question just popped into my head while I am creating a stair-well. I wish I had asked earlier because it…