Creates a hit box around a bone. These hitboxes are used by the AI for simple collisions, such as bullets.
Running studiomdl with the
-h option will print out all of the autogenerated hitboxes.
If any hitboxes are defined this way, autohitbox generation is disabled.
$hbox (group number) (bone name) (min x) (min y) (min z) (max x) (max y) (max z)