We have some examples on the wiki fwiw Halo 4 here http://wiki.polycount.com/wiki/Modular_environments Uncharted 3 examples https://polycount.com/discussion/98332/uncharted-3-environment-art-dump-anthony-vaccaro/p1
As an environment artist in games this is something that always stumps me: how to plan and structure an asset pack of modular cliffs for big environments (specifically environments with a lot of rocky, big/steep cliffs and cave areas). This far it's nothing I've really had to do or something I've had the opportunity to see…