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IDProjectCategoryView StatusDate SubmittedLast Update
0001835Dwarf FortressArenapublic2010-05-11 10:492014-09-04 13:50
ReporterQuietust 
Assigned ToFootkerchief 
PrioritynormalSeverityminorReproducibilityalways
StatusconfirmedResolutionopen 
PlatformOSOS Version
Product Version0.31.03 
Target VersionFixed in Version 
Summary0001835: Arena cave-ins make clouds of "Rock" dust
DescriptionWhen a cave-in occurs in Arena mode and punches through a floor tile, the resulting dust cloud is made of a seemingly random material.
Steps To ReproduceIn Arena mode, enter [k] mode, hover at least 1 Z-level above a block floor, press [w] followed by [l] to create a wall, then unpause.

If done over a sufficiently large area (for example, destroying a large stretch of the bridge extending over the upper-right corner area), serious lag results as dozens of material clouds constantly mix together.
Additional InformationParent of 0001823 and 0001824.
TagsNo tags attached.
Attached Files

- Relationships
related to 0005686new Cave-in dust from constructions does not use the contruction material. 
parent of 0001823new In arena, magma can appear as object and become laced with magma and magmaproof stones. 
has duplicate 0001824resolvedFootkerchief Rock blocks can contain "rock coating" 
has duplicate 0004655resolvedLogical2u dust from cave-in has random material + buggy cave-in. update to 0004653 
Not all the children of this issue are yet resolved or closed.

-  Notes
(0006549)
Quietust (reporter)
2010-05-11 10:54

 Actually stepping into the resulting cave-in cloud reports being caught in a cloud of numerous *boiling* materials (including boiling adamantine in one test), as per 0001638.
(0006552)
derigo (reporter)
2010-05-11 11:13

 Ok, that's a random bug.
(0021668)
Quietust (reporter)
2012-03-22 17:08
edited on: 2012-10-02 08:54

 0005686 may explain why this is happening - when cave-ins happen, the dust cloud is made of either the local stone layer or the local soil layer, and in Arena mode the geology is initialized to 100% Gneiss and has no soil layers; as a result, when it looks for a soil layer, it fails to find anything and instead picks a random material* (as seen in http://mkv25.net/dfma/movie-2423-nosoilweirdness [^] and http://mkv25.net/dfma/movie-2345-discodesert [^] ).

* In version 0.28.181.40d, it was literally a random matgloss_stone type if it failed to find an appropriate layer material - layer stone searches start at the surface and work their way down, while soil searches start at the bottom and work their way up. Memory hacking in version 0.31 and later suggests that this logic is mostly unchanged.
(0029939)
Quietust (reporter)
2014-09-04 12:31
edited on: 2014-09-04 12:35

 This no longer appears to be the case in version 0.40, as the arena's geology now includes layers of Soil and Sand. However, some dust clouds are made of "rock" rather than the local layer material (which seems to be a random Metamorphic stone type); either it's using the construction material (contrary to 0005686), or it's using the Lava Stone material which is also undefined due to there being no local region details (the data which keeps track of biome edges, river locations, seeds, and the local lava stone type).

- Issue History
Date Modified Username Field Change
2010-05-11 10:49 Quietust New Issue
2010-05-11 10:54 Quietust Note Added: 0006549
2010-05-11 11:04 Footkerchief Relationship added parent of 0001823
2010-05-11 11:04 Footkerchief Relationship added parent of 0001824
2010-05-11 11:13 derigo Note Added: 0006552
2011-05-20 21:17 Logical2u Relationship added has duplicate 0004655
2012-03-22 17:08 Quietust Note Added: 0021668
2012-03-22 17:09 Quietust Note Edited: 0021668 View Revisions
2012-03-22 18:20 Footkerchief Relationship added related to 0005686
2012-04-19 11:08 Quietust Note Edited: 0021668 View Revisions
2012-10-02 08:44 Quietust Note Edited: 0021668 View Revisions
2012-10-02 08:54 Quietust Note Edited: 0021668 View Revisions
2014-01-27 14:06 Footkerchief Relationship replaced has duplicate 0001824
2014-01-27 14:06 Footkerchief Issue Monitored: Village Idiot
2014-09-04 12:31 Quietust Note Added: 0029939
2014-09-04 12:35 Quietust Note Edited: 0029939 View Revisions
2014-09-04 12:48 Footkerchief Summary Arena cave-ins through floors make random material dust clouds => Arena cave-ins make clouds of "Rock" dust
2014-09-04 13:39 4maskwolf Issue Monitored: 4maskwolf
2014-09-04 13:50 Footkerchief Assigned To => Footkerchief
2014-09-04 13:50 Footkerchief Status new => confirmed

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