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[fractalman]

I was making a hallway of bedrooms.  3x4 bedrooms.
As I was manipulating dining hall designations and made a mistake, I needed to build walls just inside the doors of the 5 bedrooms per hallway.

When I deconstructed all the walls, ALL the blocks wound up in ONE TILE.
That is, the blocks got teleported...and I think some xclothingx got teleported as well.

Similar behavior has been observed during other deconstruction efforts.


The utility of this teleportation technique is questionable compared to minecarts...
But it is a safe method, for those who do NOT wish to have dwarf blood smeared all over their minecart tracks. Just imagine the power of being able to move your entire quantum dump stockpile to a new place?

[Nasikabatrachus]

This and other exploits are already accounted for on the exploit page of the wiki:

http://dwarffortresswiki.org/index.php/DF2012:Exploit

Personally, I'd never have noticed it if I hadn't read about it on the wiki.

[YvAd]

I found this one the hard way, it confused the snot out of me
Never really researched it any more, it wasn't something i needed.

[fractalman]

Oh. It's called the "vacuum cleaner". 'splains why I didn't remember it.  Wiki modified to say "dwarven vaccum cleaner/quantum teleporter".

[Broken]

This binary patch fixes this and other bugs.

http://dffd.wimbli.com/file.php?id=6741

[AWellTrainedFerret]

This binary patch fixes this and other bugs.

http://dffd.wimbli.com/file.php?id=6741

This patch is 100% necessary for any megaprojects that require scaffolding. Because when you designate a construction to be removed nearby stairs/ramps, sometimes you'll have a vacuum cleaner deposit all those blocks on top of the stairs/ramps, then they promptly fall down, causing heads to be smashed open and dorfs to dodge off the scaffolding.

[Quietust]

This binary patch fixes this and other bugs.

http://dffd.wimbli.com/file.php?id=6741

I would recommend against using that particular patched version, since it includes a "questionable" patch which results in a buggy side effect (most notably, it causes tame vermin to instantly escape from their cages, resulting in a flood of announcements whenever Elven caravans arrive).

[Larix]

This patch is 100% necessary for any megaprojects that require scaffolding. Because when you designate a construction to be removed nearby stairs/ramps, sometimes you'll have a vacuum cleaner deposit all those blocks on top of the stairs/ramps, then they promptly fall down, causing heads to be smashed open and dorfs to dodge off the scaffolding.

Do teleported items really fall down stairs? According to my experience, it's completely impossible with ramps, because dwarfs can only stand at the bottom of a ramp, which is treated as solid floor, and deconstruction-teleportation dumps everything on the tile the dwarf stands on; there's no down direction for stuff to fall to from the bottom of a ramp.

I regularly deconstruct scaffolding in the unpatched version and haven't had a wounded dwarf in ages. The only risky cases are when not overseeing the beards properly, so they start deconstructing stuff from under their own or each other's feet, or when messing up deconstruct patterns so that unplanned cave-ins happen. All these cases are completely unrelated to deconstruct teleportation.

[Lielac]

This binary patch fixes this and other bugs.

http://dffd.wimbli.com/file.php?id=6741

I would recommend against using that particular patched version, since it includes a "questionable" patch which results in a buggy side effect (most notably, it causes tame vermin to instantly escape from their cages, resulting in a flood of announcements whenever Elven caravans arrive).

Oh, that's why I constantly get bats and hamsters escaping from the elves whenever they pop up! DFHack uses that patch!

... Eh. Just means fewer tame vermin to deal with.

[EvilBob22]

This binary patch fixes this and other bugs.

http://dffd.wimbli.com/file.php?id=6741

I would recommend against using that particular patched version, since it includes a "questionable" patch which results in a buggy side effect (most notably, it causes tame vermin to instantly escape from their cages, resulting in a flood of announcements whenever Elven caravans arrive).

Oh, that's why I constantly get bats and hamsters escaping from the elves whenever they pop up! DFHack uses that patch!

... Eh. Just means fewer tame vermin to deal with.

I was just thinking the same thing...

I'd rather have Elves with less tame vermin (they don't all escape) and no teleport bug.  Ever accidentally teleport a quantum stockpile of ores, flux, and metal bars?  I have...