By the way, here are some Roguelike development sites I keep an eye on:
- Temple of the Roguelike
- Writing Kode
What I'd like is something like the streets of Toledo (España, not Ohio):
(Image by ctankcycles.)
I don't have any great images handy, but Google Maps does a pretty good job of showing what I'm after:
Of course this has to be rectangularized to some extent.
I tried out a Voronoi diagram on a grid. Very unsatisfactory:
There's a paper in this year's SIGGRAPH that has some ideas I might try.