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Author Topic: Do Invaders use underground map-edges?  (Read 1069 times)

blue emu

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Do Invaders use underground map-edges?
« on: February 18, 2009, 04:15:00 pm »
I've stumbled across a natural underground "cavern" on my 4 x 9 tile map... it's seven squares wide, one z-level high, meanders up and down across about 10 z-levels... and stretches right across my map, from edge to edge.

Note: unlike underground mining which does not target the extreme edges of the map, this natural underground "cavern" (actually a wide underground passage) does indeed exit the east and west map edges, about ten z-levels underground.

Do I have to worry about Invaders using that route to enter the map?... or will they always use the surface. Do hostile creatures spawn in natural caverns?
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Zorgn

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Re: Do Invaders use underground map-edges?
« Reply #1 on: February 18, 2009, 04:51:29 pm »
Without knowing for certain, I'd say you had best stick a few cats in the tunnel. Supposed to be goblin or dwarf forts on both ends of the tunnel,  so I'd expect eventual goblin presence down there. Or immigration waves, perhaps. Either way, best to let the cats find out first.
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JoRo

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Re: Do Invaders use underground map-edges?
« Reply #2 on: February 18, 2009, 08:48:07 pm »
I'm pretty sure you managed to settle on a tunnel there.  Dunno if things will spawn on it, but it is not a cavern.
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Re: Do Invaders use underground map-edges?
« Reply #3 on: February 18, 2009, 08:53:29 pm »
As I recall, they only spawn on tiles marked Outside.

Pretty sure traders don't spawn down there either, making it pretty useless to use it for anything, really.

And no, it's not natural.  It's a tunnel.
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Phazer

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Re: Do Invaders use underground map-edges?
« Reply #4 on: February 18, 2009, 08:56:41 pm »
Quote from: jaybud4 on February 18, 2009, 08:53:29 pm
As I recall, they only spawn on tiles marked Outside.

Pretty sure traders don't spawn down there either, making it pretty useless to use it for anything, really.

And no, it's not natural.  It's a tunnel.

Read on the wiki that they can spawn underground and ive heard it before but ive never seen it can anyone confirm that you can be sieged from a tunnel if its connected to a goblin tower?
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Martin

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Re: Do Invaders use underground map-edges?
« Reply #5 on: February 18, 2009, 09:39:22 pm »
Not since the tunnels and roads were added, but in the .38 days I had a fortress that would get ambushes inside my defenses on a lower level. Always in the same place but right near the edge of the map with no apparent way to the outside. I checked repeatedly and used the trade depot access guide to see if there was a path that I missed, but things were totally sealed off. Since the 40s I've never build that close to the edge, and never seen it happen again.
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Re: Do Invaders use underground map-edges?
« Reply #6 on: February 19, 2009, 09:42:32 am »
The reason that I called it a "cavern" is that when I enter "look around" mode and cursor over it, it claims to be a "cavern floor"... but yes, it looks more like an artificial tunnel to me.

I'll remove the temporary wall that I built to close it off, stake out a few cats and then flood-gate off the entrance so that I can re-close it quickly if needed.
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