rosu-pp 4.0.1

Difficulty and performance calculation for osu!
Documentation 
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use crate::{
    Beatmap,
    any::{Difficulty, difficulty::skills::StrainSkill},
    catch::{convert::prepare_map, difficulty::DifficultyValues},
    model::mode::ConvertError,
};

/// The result of calculating the strains on a osu!catch map.
///
/// Suitable to plot the difficulty of a map over time.
#[derive(Clone, Debug, PartialEq)]
pub struct CatchStrains {
    /// Strain peaks of the movement skill.
    pub movement: Vec<f64>,
}

impl CatchStrains {
    /// Time between two strains in ms.
    pub const SECTION_LEN: f64 = 750.0;
}

pub fn strains(difficulty: &Difficulty, map: &Beatmap) -> Result<CatchStrains, ConvertError> {
    let map = prepare_map(difficulty, map)?;
    let DifficultyValues { movement, .. } = DifficultyValues::calculate(difficulty, &map);

    Ok(CatchStrains {
        movement: movement.into_current_strain_peaks(),
    })
}