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IDProjectCategoryView StatusDate SubmittedLast Update
0011303Dwarf FortressDwarf Mode -- Environmentpublic2020-02-04 01:492020-02-16 09:18
Assigned ToLoci 
Statusneeds feedbackResolutionopen 
PlatformPCOSWindows 10OS Version
Product Version0.47.01 
Target VersionFixed in Version 
Summary0011303: Cave moss not appearing in cavern layers
DescriptionI've been attempting to make a series of cavern-locked dwarvws with grazers but I've actually been unable to get cave grass to spawn at all.
Steps To Reproduce1) Generate a world
2) Dig to the first cavern layer
3) Witness the lack of moss.
Additional InformationI've made some init changes regarding the fps counter, spacing, and other minor gameplay tweaks but nothing was related to plants
TagsNo tags attached.
Attached Files

- Relationships
related to 0011377acknowledgedLoci Breached mossy cavern did not release cave spores 

-  Notes
FantasticDorf (reporter)
2020-02-04 02:29

Cavern moss can spawn on dirt stairs once the caverns are revealed but won't spontaneously or noticably spread to appropriate sun-hidden soil tiles from what i've seen anecdotally on a few worlds for 47.01.

Some saves provided in notes uploaded to DFFD would help clarify, i will attach one when i have the appropriate means to but it seemingly happens on every embark attempt reliably enough to reproduce.
mrmagolor (reporter)
2020-02-04 11:53

Some caverns are dry at random. Are there any mushroom "trees" in the cavern? If not, this is likely the cause.
Loci (manager)
2020-02-04 12:15

Nearly all underground plants (including cave moss) require a "wet" biome. If you "tweaked" the caverns to be "dry" then a lack of plant life is expected. Even if you didn't, subterranean chasm caverns will occasionally spawn. How many caverns did you actually check?

I checked a few caverns in v0.47.01: three had moss, one did not. Those with moss released "spores" and spread vegetation to other underground tiles as expected.
anewaname (reporter)
2020-02-14 18:16

Here is an example from this thread... [^] ,
the save... [^]

You can see that the player breached a mossy cavern on z66, and built a wall in the tile adjacent to moss. But spores will not spread until another mossy cavern is breached, on z13, about 20 tiles to the northwest of the central staircase.
Loci (manager)
2020-02-16 09:18

Split the malfunctioning spores to 0011377

- Issue History
Date Modified Username Field Change
2020-02-04 01:49 Dragonslayerelf New Issue
2020-02-04 02:29 FantasticDorf Note Added: 0039853
2020-02-04 03:58 Talvieno Note Added: 0039855
2020-02-04 06:56 Talvieno Note Deleted: 0039855
2020-02-04 11:53 mrmagolor Note Added: 0039863
2020-02-04 12:15 Loci Note Added: 0039866
2020-02-04 12:15 Loci Assigned To => Loci
2020-02-04 12:15 Loci Status new => needs feedback
2020-02-14 18:16 anewaname Note Added: 0040059
2020-02-16 09:17 Loci Issue cloned 0011377
2020-02-16 09:17 Loci Relationship added related to 0011377
2020-02-16 09:18 Loci Note Added: 0040080

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