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Author Topic: Diagonal movement across z levels  (Read 2239 times)

Daveorock

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Diagonal movement across z levels
« on: March 30, 2012, 08:56:12 pm »

I had recently caved in a bit of clay down to my magma kiln for easy access to clay, and I had dug out a scaffold to do it. I had started to wall off the scaffold from the clay'd area, and I ordered a grate to be built on the clay. I noticed that the dwarf who was building the grate was going to the spot via my mines, which I was curious about because I had just walled off the mines/scaffold from the clay. I watched him and he went down some stairs, and diagonally into the clay area, but he left the grate behind. How long has this been possible? Is it a glitch? Because he dropped the grate, so I doubt it's a fully legit movement.

Here's what happened:
Code: [Select]
# Wall
V Down stair
X Up/down stair
O Constructed wall
_ Floor
@ Dwarf (for first diagram there is also an up/down stair there)

##V##
##@##
__O##

He was on the up down stair, then did this:
##V##
##X##
_@O##

He left the grate behind on the up/down stair and trapped himself with no job.
Logged
Twenty seconds after the collapse, 14 dwarves hit the ground simultaneously.
EDIT: make that 15. Not sure what took that last one so long.
Urist McLemming cancels Fall: Dangerous Terrain

GhostDwemer

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Re: Diagonal movement across z levels
« Reply #1 on: March 30, 2012, 08:59:15 pm »

I recall something like this in regards to creatures moving diagonally across z-levels from the caverns into a fort but I've never seen it.
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Girlinhat

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Re: Diagonal movement across z levels
« Reply #2 on: March 30, 2012, 09:01:43 pm »

There's quirks with ramps especially and diagonal Z movement.  It's a little funky.  And it's not legit.

Urist Da Vinci

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Re: Diagonal movement across z levels
« Reply #3 on: March 30, 2012, 09:03:32 pm »

Toady did make a change to ramps recently, so perhaps bug report?

Daveorock

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Re: Diagonal movement across z levels
« Reply #4 on: March 30, 2012, 09:16:41 pm »

Well this is with stairs, so I don't know if it's related to ramps, still, it's probably a bug (I also don't know if the dwarf had pathed that way. He did end up going that way, but I'm pretty sure the wall was built after he initially pathed the route, not sure, though).
Logged
Twenty seconds after the collapse, 14 dwarves hit the ground simultaneously.
EDIT: make that 15. Not sure what took that last one so long.
Urist McLemming cancels Fall: Dangerous Terrain

Raphite1

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Re: Diagonal movement across z levels
« Reply #5 on: March 30, 2012, 09:23:09 pm »

Even without the constructed wall in place, without a ramp or an upstair on the bottom level he shouldn't have been able to walk down there at all. (correct?)

Maybe he fell down the stairs, and some physics quirk squirted him over there? It might explain the dropped grate, at least.