Inappropriate block modification in L-building gables with *decrease* in roof height

Summary: Blocks are added/removed inappropriately to gables when you lower a roof height or specifically lower it then raise it. Wall blocks replace roof blocks as well.

Steps to reproduce:

  1. Build L-shaped building with two roof sides.
  2. Raise the roof.
  3. Lower it.

Expected Results: The wall gable should a) fill up the entire surface, b) remain flush with the building’s wall.

Actual Results:

Best described with a sequence of pics…

Begin with this building… then raise the roof to 7 or so…

Then start lowering it…

Raising the roof back up to 7 yielded this:

Notice the ‘spine’ that juts out left of the wooden beam

Version Number and Mods in use: A16 / no mods