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IDProjectCategoryView StatusDate SubmittedLast Update
0001567Dwarf FortressDwarf Mode -- Environmentpublic2010-04-26 22:102015-01-19 15:59
Assigned ToFootkerchief 
PlatformOSWin 7OS Version
Product Version0.31.03 
Target VersionFixed in Version0.40.01 
Summary0001567: Trees don't burn in magma
DescriptionI embarked on a map with a volcano, and just for fun I dug some holes in the side of it to let the magma spill everywhere and cause havoc. I was surprised to find that most of the trees in the area below seemed to be just fine with this, even after quite some time being surrounded with magma. Shrubs burned fine and grass turned to ash, but there's still a pretty nice forest.
Steps To ReproduceDrain volcano into wooded plain.
Additional InformationMay well be related to temperature issues.
TagsFixed in 0.40.01?
Attached Files

- Relationships
has duplicate 0002449resolvedLogical2u Magma does not burn trees or logs 
has duplicate 0005144resolvedFootkerchief Fire can't burn wooden buildings 
related to 0000457needs feedbacklethosor Underground lakes/ponds: Mud and trees under 7/7 water 
related to 0008736new Tower-caps are immune to lava 
related to 0009049acknowledgedlethosor Trees don't always burn in magma 

-  Notes
DoctorZuber (reporter)
2010-04-26 22:11

this is expected behavior, consistent with 40d.
Shadowics (reporter)
2010-04-27 00:07

It is a preexisting issue from 40d, but it certainly is a bug and not the expected behavior of trees.
fake_robot (reporter)
2010-04-27 03:16

I thought this was rather unusual too, I had a magma-pipe spilling into a cavern (naturally from embark) and all the trees were just merrily growing in 4/7 magma.
snelg (reporter)
2010-04-27 03:27

Back in 40d, the trees didn't burn from the wildfires either (started regularly by your friendly neighbouring population of fire imps). Didn't try that yet with the new versions, does it count as the same issue/bug?

Also, it would be nice if the trees that grow up and clog your magma channel would stop doing that and burn instead.
KahunaGod (reporter)
2010-08-02 19:06
edited on: 2010-08-02 19:08

Grass and shrubs not burning either in mine.


They do burn, but wildfires are no longer generated. I miss them.

Granite26 (reporter)
2011-03-10 20:22

3.19 confirm
mr_seeker (reporter)
2011-04-01 12:48

Same here, when I got a nice fire from devils, they dont tend to burn. Maybe make something like "burned tree"?
Egodeus (reporter)
2011-06-27 03:40

I believe this is caused by the tree tile to be impassable to all things (including liquids) and the temperature raise caused by magma in neighboring tiles not being large enough to actually light basic wood on fire. All in all requires an update of the fire mechanics.
Dwarfu (manager)
2013-06-30 22:21

Given the Future of the Fortress feedback, this will mostly likely be fixed in the next version: [^]

Quote from: CaptainArchmage

    With the new multi-tile trees, are we going to have proper forest fires now? Can you furnish us with any screenshots?

It's one of the remaining items to address for trees (so, very soon!). Long ago, the trees actually burned, and now as I understand it, they no longer burn. Screenshots may occur during testing. I'm not sure how much the game is going to be able to judge the heat of the flames and so on -- it could be that grass fires only spread up to leaves if the tree has leaves near the ground, and the trunks only burn down in the presence of magma/dragons/etc., or something, but I'm not quite sure how it'll work until I go over the old code and update and fix it.
Footkerchief (manager)
2014-07-08 10:57

Given the massive changes to trees, this report is obsolete.
lethosor (manager)
2015-01-19 15:59

I'd say this is fixed, since most trees do burn in magma now (with the exception of 0008736).

- Issue History
Date Modified Username Field Change
2010-04-26 22:10 keltslash New Issue
2010-04-26 22:11 DoctorZuber Note Added: 0005284
2010-04-27 00:07 Shadowics Note Added: 0005295
2010-04-27 03:16 fake_robot Note Added: 0005319
2010-04-27 03:27 snelg Note Added: 0005322
2010-06-23 15:48 Logical2u Relationship added has duplicate 0002449
2010-07-07 15:46 Footkerchief Relationship added child of 0000307
2010-07-07 15:46 Footkerchief Tag Attached: Intentional?
2010-07-12 12:03 Footkerchief Tag Renamed Intentional? => Intentional/Expected?
2010-08-02 19:06 KahunaGod Note Added: 0011421
2010-08-02 19:08 KahunaGod Note Edited: 0011421 View Revisions
2011-01-03 07:57 Logical2u Relationship added parent of 0003866
2011-02-21 13:14 Footkerchief Relationship replaced related to 0000307
2011-02-21 13:39 Footkerchief Relationship replaced related to 0003866
2011-02-21 13:43 Footkerchief Relationship added child of 0001134
2011-02-21 13:43 Footkerchief Relationship deleted related to 0003866
2011-02-21 13:43 Footkerchief Relationship deleted related to 0000307
2011-03-10 20:22 Granite26 Note Added: 0016077
2011-04-01 12:48 mr_seeker Note Added: 0016944
2011-04-04 06:35 Footkerchief Relationship added related to 0000457
2011-06-27 03:40 Egodeus Note Added: 0018054
2011-06-28 07:37 Hieronymous Alloy Issue Monitored: Hieronymous Alloy
2012-02-15 16:54 Footkerchief Relationship added has duplicate 0005144
2013-06-30 22:19 Dwarfu Tag Detached: Intentional/Expected?
2013-06-30 22:19 Dwarfu Tag Attached: Fixed in 0.34.12?
2013-06-30 22:21 Dwarfu Note Added: 0024046
2014-07-07 22:23 Footkerchief Tag Renamed Fixed in 0.34.12? => Fixed in 0.40.01?
2014-07-08 10:57 Footkerchief Note Added: 0025091
2014-07-08 10:58 Footkerchief Status new => resolved
2014-07-08 10:58 Footkerchief Resolution open => won't fix
2014-07-08 10:58 Footkerchief Assigned To => Footkerchief
2014-07-08 10:58 Footkerchief Relationship deleted child of 0001134
2014-08-11 13:38 Footkerchief Relationship added related to 0007960
2014-08-21 15:48 Footkerchief Relationship deleted related to 0007960
2015-01-13 09:00 Footkerchief Relationship added related to 0008736
2015-01-19 15:58 lethosor Resolution won't fix => fixed
2015-01-19 15:58 lethosor Fixed in Version => 0.40.01
2015-01-19 15:59 lethosor Note Added: 0032003
2015-08-25 19:23 lethosor Relationship added related to 0009049

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