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DF Dwarf Mode Discussion / Re: New challenge fort idea: Ice Fortress
« on: May 07, 2009, 04:51:05 pm »And i don't mean build in the traditional sense, i mean cast a huge fortress out of ice, like you would with obsidian. Mine and smooth out all the rooms.
If I'm reading this right, this would be nigh-unto impossible.
It would require temperatures that cause water to freeze, which happens (almost?) instantly. To cast a fortress would require getting it to flow, which requires magma for warm tiles immediately next to it.
So you'd have to build some sort of "reverse radiator" to keep the water warm enough to flow before it freezes in the mold - which would happen the moment it left the warming/holding tank.
I'm not sure you could achieve this, given the tiles needed to hold both the magma and water. Maybe in 1-tile incriments, and certainly only by constructing the pouring system on the z-level immediately over the mold, deconstructing and re-building the whole thing (requiring emptying it of magma) one z-level higher each time.
Or am I missing some trick here?
My idea is that you make the mold above the chosen location. About 2 z-levels above the target top level. Magma goes on top of that to keep the water from freezing and then you drop all the water at once. It'll freeze in mid air and then fall to where you want it in a great 'cave-in' of icey doom. It was great fun imagining the tremendous thumps this process would produce.
