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IDProjectCategoryView StatusDate SubmittedLast Update
0001189Dwarf FortressPathfindingpublic2010-04-15 04:332012-03-30 01:34
Reporterking doom 
Assigned To 
PlatformOSOS Version
Product Version0.31.02 
Target VersionFixed in Version 
Summary0001189: Magma men can path through impassible workshop tiles.
DescriptionI set up a magma workshop area containing smelters and forges, and to give them access to magma I channeled one tile for each workshop, and then placed the workshops so the impassible tiles they create when built would be over the channeled out tile for each one (Yes I know smelters and forges have the impassible tiles in different locations, I accounted for that) and despite this a magma man was able to invade my fort through one of the channeled tiles.
Steps To ReproduceSee above. Find magma, dig a 3x3 room, channel a tile out to give the room access to the magma layer beneath, build a workshop so that the impassible tile that dwarves cannot travel through is located above the channeled out tile, wait.
Tagsmagma, pathfinding, workshop
Attached Files

- Relationships

-  Notes
Rafal99 (reporter)
2010-04-15 05:30

I think it might have traveled diagonally to the unblocked tile next to the channeled one. But not really sure if it is possible.
king doom (reporter)
2010-04-15 07:17

I don't think it is, I know building a single wall directly over a channeled tile blocks it, I've seen it mentioned that magma buildings work the same way.
Footkerchief (manager)
2010-04-15 09:07

A save that reproduces this would probably be beneficial, if you can get one. [^]
king doom (reporter)
2010-04-15 09:33

I have the fort where this occured, but I'd saved five minutes before the magma man appeared so I savescummed and set up some traps for him, so far he hasn't attacked again. The forts layout hasn't been altered though, I can upload that if checking the layout helps or something.
DoctorZuber (reporter)
2010-04-15 10:14

as a workaround, and generally a good idea anyhow just place fortifications before you let the magma into your channel, It keeps the critters out.
king doom (reporter)
2010-04-15 10:59

I didn't make a channel though, I just tunneled down to the layer directly above the magma and built there, channeling a hole in the floor exposes the magma quite nicely, and up till now building a workshop so that the channeled tile was totally covered has stopped stuff getting through.
DoctorZuber (reporter)
2010-04-15 11:04

ah yea, well my paranoia doesn't allow me to build that way anymore, so I haven't seen this behavior, although it doesn't surprise. Monsters seem to cheat a bit when pathing now.

Is he actually able to attack? or are you just getting interrupt spam?
king doom (reporter)
2010-04-15 11:46

He made it into my fort and set several dwarves on fire. All the magma buildings were built and in use at the time. The only warning I got was a message about urist cancels smelt ore, dying in flames and lo and behold, magma man rampage through the lower level of my fort.
smjjames (reporter)
2010-04-15 11:52

Maybe the magmaman just kind of oozed through the impassable space? Still a bug anyway.
king doom (reporter)
2010-04-17 16:57

I've uploaded the fort that this happened at to show a different bug, but if anyone wants to check out where the oddness in this report occured, the file is at: [^]
Kogut (reporter)
2012-03-30 01:34

related to 0005512: Creatures can dodge into statues, impassable workshop tiles, etc.

- Issue History
Date Modified Username Field Change
2010-04-15 04:33 king doom New Issue
2010-04-15 04:34 king doom Tag Attached: magma
2010-04-15 04:34 king doom Tag Attached: workshop
2010-04-15 04:34 king doom Tag Attached: pathfinding
2010-04-15 05:30 Rafal99 Note Added: 0003652
2010-04-15 07:17 king doom Note Added: 0003669
2010-04-15 09:07 Footkerchief Note Added: 0003696
2010-04-15 09:33 king doom Note Added: 0003701
2010-04-15 10:14 DoctorZuber Note Added: 0003709
2010-04-15 10:59 king doom Note Added: 0003723
2010-04-15 11:04 DoctorZuber Note Added: 0003724
2010-04-15 11:46 king doom Note Added: 0003733
2010-04-15 11:52 smjjames Note Added: 0003735
2010-04-17 16:57 king doom Note Added: 0004007
2012-03-30 01:34 Kogut Note Added: 0021897

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