Incorrect gamma building hitbox

[clouths]

The hitbox for player structures in gamma (MPC) is incorrect.
At this time, the location for the hitbox information is unknown and search is in progress.
The goal of this issue is to ensure every building that can be built have an appropriate hitbox.
Here is an example of a building with incorrect hitbox.

[clouths]

The cause of the issue seem to come from terraformed ground, in particular the ground that have been raised.
Edit: Closed by accident