pioneerspacesim/pioneer — pull request #1782 by shadmar (2012-12-05 18:17:42+00:00)
Title: Glowing Volcanos

This is mostly written by Ae_2222 and adds the code for identifying volcanic terrain (and other), and a small light shader change to support lava glowing at nigh using a preprosessor directive if planet has active lava.

Previous discussion :
https://github.com/pioneerspacesim/pioneer/issues/1770