Function get_skill_increase

pub fn get_skill_increase(pid: u16, attribute_id: u16) -> i16

Get the bonus applied to a certain attribute at the next level up as a result
of associated skill increases.

Although confusing, the term “skill increase” for this is taken from OpenMW itself.

pid The player ID.
skill_id The attribute ID.

Returns the increase in the attribute caused by skills.