I'm in the process of constructing a tragedy mule-style tower out of curiosity to see what happens when various things are dropped long distances. Each layer looks something like this:
With the X's being walls, the . being an empty space, and the ^ and v being ramps up and down, respectively.
What happens is that every once in a while (It's happened twice now and I'm on the 4th floor) the top three walls in the structure don't properly generate a floor tile above them, forcing me to either,
a) Build a temporary floor tile so that my dwarves can get to the center tile, at which point they fall through it and get stuck when removing the floor to replace it with a wall.
or
b) Remove the offending walls and build them again.
This is really weird. Help?
EDIT: In related news, the game froze for a long period of time when a carpenter attempted to move the remains of a mother and child that were crushed during the removal of the third floor, without paying attention to the partially constructed fourth floor. The offending item appears to be a two-humped camel leather shoe. Huh.
EDIT2: It appears to freeze momentarily every time the items are moved to make way for a new wall. Double huh.
EDIT3: Cancel that. It only did it one more time after the first.
EDIT4: Apparently it does do this every time those items are moved out of the way for a wall. I'll stop editing this now.
EDIT5: A video which better explains the issue I'm having.
http://mkv25.net/dfma/movie-118-bug-nofloorinfactnothingabovewall
And then I'm done. Seriously. I won't touch this post again; I promise.
[ November 08, 2007: Message edited by: Tahin ]