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IDProjectCategoryView StatusDate SubmittedLast Update
0010830Dwarf FortressDwarf Mode -- Combatpublic2018-07-11 00:152020-05-18 20:35
Assigned ToLoci 
PlatformOSOS Version
Product Version0.44.12 
Target VersionFixed in Version 
Summary0010830: Falling objects (bolts, body parts, etc.) glitch through floor into rooms below
DescriptionMarksdwarves train on the upper floor of two z-levels tall building on the surface, and occasionally shoot through fortifications at keas that happen to fly around. Missed bolts fall on the ground, some of them end up in the rooms level below. There are no holes between levels.
TagsNo tags attached.
Attached Files

- Relationships
parent of 0011011new Catapult/Ballista projectile falls z-level through solid floor 
has duplicate 0010834resolvedlethosor Archery practice bolts pass through solid floor 
has duplicate 0010786resolvedLoci ammunition falling though floors 
has duplicate 0011145resolvedLoci Body parts fell through ground 
Not all the children of this issue are yet resolved or closed.

-  Notes
FantasticDorf (reporter)
2018-07-11 00:34

If you could please attach your game-save demonstrating this (copy pasted 'region' file in 'data' -> 'save' in the DF folder or enclose it in a ZIP after making a backup for you to continue playing), it would be a big help as besides from the description there isn't a method for attempting to recreate the issue.

A convenient place to upload is the dwarf fortress file depot (DFFD) but some people use their own download mirrors of choice. [^]
risusinf (reporter)
2018-07-11 02:10

Yeah, i was about to, but distracted. Here: [^]
Rafal99 (reporter)
2018-07-16 14:51

I can confirm this. Invaders shot bolts at the animals on the roof (Z-level: +2) of my fort. Somehow some bolts ended on Z-level 0 inside the fort.
lethosor (manager)
2018-07-16 17:15

Cincotta1's save from 0010834: [^]
Dekker3D (reporter)
2018-07-22 08:16

I logged in to report this same issue. I have a save file where there's a perfectly fine bolt-moat for catching bolts from archery practise, but instead the bolts go right through the floor to sit in my stockpiles and workshops the level below that. All of this is underground. As you already have two save files for this, would a third help?
Kvall (reporter)
2018-07-30 13:34

I've been battling this glitch in several forts and as a temporary fix, at least in the case of training areas with bolt-catcher moats, is to have an untouched layer buffering below the moat, keeping the glitch from ignoring the ground. All in all this is super minor and you can make trillions of bone bolts with zero effort, so the moat is almost unnecessary.
risusinf (reporter)
2018-07-31 06:14

Seems like body parts can glitch through as well. Some of them stuck within a workshop. [^]
PatrikLundell (reporter)
2018-08-01 01:24

The body parts in workshops issue may or may not be the same, but I've had it in the past both from birds shot down onto workshops and bits scattered and stuck when killing reanimated skin.
Loci (manager)
2018-08-05 12:42
edited on: 2018-08-05 12:43

Things getting stuck in impassable workshop tiles is 0002197. Severed body parts falling through floors is new, and likely the same underlying cause as bolts falling through floors.

Loci (manager)
2019-09-03 16:03

Nottipyy provided a save to reproduce glitching body parts in 0011145: [^]
evilmasteryoda (reporter)
2020-05-18 20:35

I can confirm this is still occurring in version 47.04, Archery ranges easily reproduce this with a channeled out tile with floors between the bottom and 1 z level bellow the channel under the archery targets.

Another way to reproduce this is to mine out the majority of the first -z level and have combat and hunting occur on the main z level map, body parts and arrows will start to appear -1z even if it didn't occur anywhere near the entrance to the -1 z level.

- Issue History
Date Modified Username Field Change
2018-07-11 00:15 risusinf New Issue
2018-07-11 00:34 FantasticDorf Note Added: 0038580
2018-07-11 02:10 risusinf Note Added: 0038581
2018-07-16 14:51 Rafal99 Note Added: 0038602
2018-07-16 17:15 lethosor Note Added: 0038604
2018-07-16 17:16 lethosor Relationship added has duplicate 0010834
2018-07-16 17:16 lethosor Issue Monitored: alternativehood
2018-07-22 08:16 Dekker3D Note Added: 0038626
2018-07-28 14:11 Loci Relationship added has duplicate 0010786
2018-07-28 14:12 Loci Assigned To => Loci
2018-07-28 14:12 Loci Status new => confirmed
2018-07-30 13:34 Kvall Note Added: 0038664
2018-07-31 06:14 risusinf Note Added: 0038666
2018-08-01 01:24 PatrikLundell Note Added: 0038667
2018-08-05 12:42 Loci Note Added: 0038687
2018-08-05 12:43 Loci Note Edited: 0038687 View Revisions
2019-01-27 15:24 Loci Relationship added parent of 0011011
2019-09-03 16:00 Loci Relationship added has duplicate 0011145
2019-09-03 16:01 Loci Summary Bolts glitch through surface into rooms below => Falling objects (bolts, body parts, etc.) glitch through floor into rooms below
2019-09-03 16:03 Loci Note Added: 0039501
2020-05-18 20:35 evilmasteryoda Note Added: 0040558
2022-03-13 18:02 Susan Issue Monitored: Susan

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