: I'm wracking my brain right now to think if I've ever seen this in any
: scenario and so far have come up blank. If anyone would know, it would be
: Chris Lund, so you might want to contact him. Otherwise, the obvious
: solution is to either expand the lava texture set to include some key
: Marathon textures, or to add a second lava texture set. I know that
: neither of these is appealing, but I think that the addition of lava to
: this level would be well worth the effort. And why not have lava here?
: Wouldn't it make sense to pump lava from deep within the Marathon up to
: Engineering to use as a heat source?
You can use the route that Evil took and simply add another texture (water, sewage, etc.) and give it an appropriate sound and a pulsating texture. The only downside is you can't actually enter the media - but to all intents and purposes, it's there.
Cheers,
Ben