On libtcod fog of war

Google is a curious device. It points its users to my blog post tagged ‘libtcod (dead link, go to https://bitbucket.org/libtcod/libtcod ) fog of war’, despite it not having much to do with actual instructions on how that works. I’ve decided to write an actual post about it, so you won’t be disappointed next time you click the google link pointing to my blog. Read on if that’s why you’re here.