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[Shadowlord]

http://img85.imageshack.us/my.php?image=steamroomsetupty1.png  
http://img85.imageshack.us/my.php?image=missingsteamkl6.png  

The magma sits in a channel. The water is pumped out of floodgates, and normally creates steam where it hits the magma in the channel.

If the magma channels are filled before the water floodgates are opened, it works properly (creating steam).

If the water floodgates are instead opened before the magma channel is filled, the water goes into the channel, and goes down it until it meets the magma coming from the distant magma floodgate. This works properly at this point. The magma pushes the water, creating steam, until...

When the magma pushes the water out of the channels, it ends up like you see in the missing steam image I just linked to. The magma sits in the channel, the water sits outside the channel, and no steam is produced.

(Again, I should note that if the magma channel is already filled when the water floodgates are opened, it produces steam constantly, as expected. It only glitches if the water fills the channels and then the magma pushes the water out of the channel.)

[ February 27, 2007: Message edited by: SL ]

[ February 27, 2007: Message edited by: SL ]

[ February 27, 2007: Message edited by: SL ]

[Mechanoid]

http://img85.imageshack.us/my.php?image=steamroomsetupty1.png
http://img85.imageshack.us/my.php?image=missingsteamkl6.png

[Looks like imageshack crapped out. images changed to links.

A probable cause is that you turned your temperature off in the init.txt, because if steam creation is temperature-related (as is fire damage) then turning off temperature also turns off steam.

[ February 27, 2007: Message edited by: Mechanoid ]

[Shadowlord]

I did not turn temperature off.

[ctrlfrk]

This has always been the case.
The water has essentially stopped "flooding", and so isn't moving into the channels anymore.
If you closed the magma floodgates the magma would recede, leaving an empty channel right next to the water.

To make this work you need to flood the channel with magma FIRST, then release the water.

[Shadowlord]

quote:Originally posted by ctrlfrk:
<STRONG>This has always been the case.</STRONG>

I expected so, but did not find it in the list of known bugs. Are you saying that you knew about it but didn't report it?

quote:Originally posted by ctrlfrk:
<STRONG>To make this work you need to flood the channel with magma FIRST, then release the water.</STRONG>

There's a reason I said that twice in my post - so that nobody would come along say "you're doing it wrong, flood the magma first."

I thought I made it abundantly clear that I was posting to report a bug, not to say "OMG IT DOESN'T WORK HELP ME."

[Toady One]

I think i just neglected the check, either because I forgot or because I thought it would be too slow.  I think having the lava hunt around for water above it if it is flowing in a channel and restarting them would be pretty cheap in retrospect, but it'll have to wait for z-flows again, since the condition would change to the water being at a different z-level (and I'm not quite sure at that point whether it would always be set to flow with some kind of waterfall event at the boundary).

[ctrlfrk]

It has been reported before, I'm assuming toady didnit put it in the bugs list because it will disappear when he redoes flows.

[ March 01, 2007: Message edited by: ctrlfrk ]