rosu_map/section/timing_points/control_points/
difficulty.rs

1use std::cmp::Ordering;
2
3/// Difficulty-related info about this control point.
4#[derive(Clone, Debug, PartialEq)]
5pub struct DifficultyPoint {
6    pub time: f64,
7    pub slider_velocity: f64,
8    pub generate_ticks: bool,
9}
10
11impl DifficultyPoint {
12    pub const DEFAULT_SLIDER_VELOCITY: f64 = 1.0;
13    pub const DEFAULT_GENERATE_TICKS: bool = true;
14
15    pub fn new(time: f64, beat_len: f64, speed_multiplier: f64) -> Self {
16        Self {
17            time,
18            slider_velocity: speed_multiplier.clamp(0.1, 10.0),
19            generate_ticks: !beat_len.is_nan(),
20        }
21    }
22
23    pub fn is_redundant(&self, existing: &Self) -> bool {
24        self.generate_ticks == existing.generate_ticks
25            && (self.slider_velocity - existing.slider_velocity).abs() < f64::EPSILON
26    }
27}
28
29impl Default for DifficultyPoint {
30    fn default() -> Self {
31        Self {
32            time: 0.0,
33            slider_velocity: Self::DEFAULT_SLIDER_VELOCITY,
34            generate_ticks: Self::DEFAULT_GENERATE_TICKS,
35        }
36    }
37}
38
39impl PartialOrd for DifficultyPoint {
40    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
41        self.time.partial_cmp(&other.time)
42    }
43}