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IDProjectCategoryView StatusDate SubmittedLast Update
0002820Dwarf FortressPathfindingpublic2010-07-24 23:262018-01-19 16:22
Assigned ToToady One 
PrioritynormalSeverityminorReproducibilityhave not tried
PlatformOSOS Version
Product Version0.31.11 
Target VersionFixed in Version0.44.06 
Summary0002820: HFS creatures can emerge through vertical diagonals without HFS being officially breached
DescriptionSpoilers ahead

Aware that I was approaching Hell while mining adamantine, I dug a stairway down a fair distance and stopped, mined out all the nearby adamantine, and decided to mine another vein I could see through the magma sea. After accidently breaking into the HFS, I was surprised and Doomed when the Demons came out the other stairway which had not opened Hell.

The problem is that digging a stairway like this (Sideways):

(Where X is a stairway, and there is a floor between the open area at the top and that which leads to suffering) does not trigger the HFS, but can be used by the floods of horror to escape anyway.
Steps To ReproduceFind a point where you might find Hell

Find the exact spot which opens it, and reload

Dig an up/down stairway just to the upper edge of Hell

Open Hell elsewhere, and enjoy
Attached Files

- Relationships
related to 0008383resolvedToady One Flying/swimming/climbing creatures can move vertically through diagonal gaps containing down-stairways 

-  Notes
Warlemming (reporter)
2010-07-24 23:29

The picture didn't come out right because of the dots, the X is meant to be just above to the right of them.
lethosor (manager)
2015-01-08 18:24

Wrapped the picture with < pre> and < /pre> (without spaces after the opening brackets).
PatrikLundell (reporter)
2015-08-20 10:00

The issue is not restricted to HFS breaches. There is no report for either the caverns nor the magma sea when they are breached diagonally downwards by a staircase (especially nasty when you dig straight down and hit SMR, which just causes the miner to stop with no report, and you later discover magma creatures inside your fortress).

- Issue History
Date Modified Username Field Change
2010-07-24 23:26 Warlemming New Issue
2010-07-24 23:29 Warlemming Note Added: 0010944
2010-07-24 23:29 Warlemming Tag Attached: HFS
2014-07-27 12:48 Footkerchief Relationship added related to 0007130
2014-10-01 15:58 Footkerchief Relationship added has duplicate 0008383
2014-10-01 18:14 Footkerchief Summary HFS does not open on slight x-axis difference, but HFS things clipping through corner => HFS creatures can emerge through vertical diagonals without HFS being officially breached
2014-10-01 18:14 Footkerchief Relationship replaced related to 0008383
2014-10-01 18:14 Footkerchief Assigned To => Footkerchief
2014-10-01 18:14 Footkerchief Status new => confirmed
2014-10-01 18:15 Footkerchief Relationship deleted related to 0007130
2015-01-08 18:23 lethosor Description Updated View Revisions
2015-01-08 18:24 lethosor Note Added: 0031798
2015-08-20 10:00 PatrikLundell Note Added: 0032976
2018-01-19 16:22 Toady One Status confirmed => resolved
2018-01-19 16:22 Toady One Fixed in Version => Next Version
2018-01-19 16:22 Toady One Resolution open => fixed
2018-01-19 16:22 Toady One Assigned To Footkerchief => Toady One

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