Function control_points_for_gcl 

pub fn control_points_for_gcl(level: u32) -> f64

Provides the total number of control points needed to achieve a given Global Control Level

Calculates the total number of control points needed to achieve a given Global Control Level. The game’s API only exposes current level plus progress toward the next level; this allows you to see how many points you’ve spent to achieve your current level

Code reference