I read project readme, checked client side and server side configurations, and no such feature exists - YES

Is your feature request related to a problem? Please describe.
I'd like to set roll distance to one less than the default.

Describe the solution you'd like
Ability to set the roll distance rather than additional roll distance.

Describe alternatives you've considered
Just use the default of 3.

Thanks!

The server config additional_roll_distance can be given a negative value, or default attribute value can be changed.