Board Thread:Suggestions forum/@comment-26553378-20161213000255/@comment-25565811-20161219165314

''Minecraftmage113 wrote: ... would check the room behind to make an initial price ...''

If you look at vanilla Minecraft, you'll notice, they had quite a hard time to decide, what's inside and what's outside for vanilla villages, to decide how mich villagers should spawn.

I think, that's not that trivial to code.