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IDProjectCategoryView StatusLast Update
0001835Dwarf FortressArenapublic2014-09-04 13:50
ReporterQuietust Assigned Touser6 
PrioritynormalSeverityminorReproducibilityalways
Status confirmedResolutionopen 
Product Version0.31.03 
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.

Relationships

related to 0005686 new Cave-in dust from constructions does not use the contruction material. 
parent of 0001823 new In arena, magma can appear as object and become laced with magma and magmaproof stones. 
has duplicate 0001824 resolveduser6 Rock blocks can contain "rock coating" 
has duplicate 0004655 resolvedLogical2u 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.

Activities

Quietust

2010-05-11 10:54

reporter   ~0006549

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.

derigo

2010-05-11 11:13

reporter   ~0006552

Ok, that's a random bug.

Quietust

2012-03-22 17:08

reporter   ~0021668

Last edited: 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.

Quietust

2014-09-04 12:31

reporter   ~0029939

Last edited: 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).

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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 user6 Relationship added parent of 0001823
2010-05-11 11:04 user6 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
2012-03-22 18:20 user6 Relationship added related to 0005686
2012-04-19 11:08 Quietust Note Edited: 0021668
2012-10-02 08:44 Quietust Note Edited: 0021668
2012-10-02 08:54 Quietust Note Edited: 0021668
2014-01-27 14:06 user6 Relationship replaced has duplicate 0001824
2014-09-04 12:31 Quietust Note Added: 0029939
2014-09-04 12:35 Quietust Note Edited: 0029939
2014-09-04 12:48 user6 Summary Arena cave-ins through floors make random material dust clouds => Arena cave-ins make clouds of "Rock" dust
2014-09-04 13:50 user6 Assigned To => user6
2014-09-04 13:50 user6 Status new => confirmed