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[Lex Talionias]

magma + water = super heated steam.

it's already in the game but what would happen in a cavern where the steam couldn't dissipate and just got more and more pressurized as more water was vaporised.

it would make one awesome source of fun for your miners, hitting into a cavern that is more of a pressure cooker and BAM! fried dwarf! but using DF physics the steam would cool and slow down the more distance covered so it's not a threat to your fort. still would make an awesome addition to the game in my opinion. and using a pool of magma plus a tickle of water you could build your own super heated defense mechanism!

[aepurniet]

This could be relatively easy to implement once DF has support for multiple liquids. Steam could be implemented as a pathable liquid that itself paths up instead of down, per standard rules. The only problem would be over pressurization. Steam should be able to hold 8/7 and more per tile, but don't think the data structures allow this.

There could be some cool traps made out of this (if 7/7 steam causes damage). It would also allow forges and such to produce steam as a side product. Players would then have to build chimneys and such to avoid holding in all this steam bake their dwarves.

Also this has been suggested a zillion times (actual count).

[guale]

This would be cool but ultimately downright FPS MURDERING.

[Footkerchief]

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[Lex Talionias]

fair enough.

[thijser]

This would be cool but ultimately downright FPS MURDERING.

Depends on how it works. If you work with a system that states that steam is a liquid that goes up instead of down than it shouldn't be a big problem. If you work with a system that calculates all pressure everywhere then it will be a problem.
I think this will work best after we have added some moving parts to the fortress.

[TolyK]

MEGATHREAD IS ALMOST DONE!

[Lex Talionias]

MEGATHREAD IS ALMOST DONE!

huh?

also i don't think pressurized steam would be a problem unless you had an unreal amount... and then even a big enough lava flow would be a problem for FPS anyway.

[irmo]

also i don't think pressurized steam would be a problem unless you had an unreal amount... and then even a big enough lava flow would be a problem for FPS anyway.

The problem is "unreal amount". Once you vent any amount of steam to the outside, it's going to expand until it covers the entire map, because that's what pressurized gases do. Now you have to calculate it for the entire map.

(Unless you treat it just like a liquid that flows up instead of down, but then it's incompressible and you can't have pressurized steam.)

[Mel_Vixen]

You can limit the amount of existing steam if you add some of the smoke/miasma physics. Smoke and Miasma thin out at the edges. The problem with pressurized steam my be that you can compress that stuff so that you cant wok with 0-7 depth of water. The temperatur system might also help with the amount of steam if steam turns into water again.

[Lex Talionias]

The problem is "unreal amount". Once you vent any amount of steam to the outside, it's going to expand until it covers the entire map, because that's what pressurized gases do. Now you have to calculate it for the entire map.

no, just no. that is such a stupid issue i could already had a solution b4 you mentioned that. a solution i didn't mention because it was the moronically obvious.

what if somehow by being exposed to cooler temps usually experienced anywhere... mixed with the sheer volume of air on the outdoors area of a map (as oppose to the caves and tunnels) that some how the steam CEASED TO BE STEAM!!!

you would have to have some sort of cluster of nerves that functioned like a computer lodged in your head to think of a concept that wild!