taiko: micro optimizations

src/parse/mod.rs

@@ -1,3 +1,9 @@
+#[cfg(any(
+    feature = "fruits",
+    all(feature = "osu", not(feature = "no_sliders_no_leniency"))
+))]
+use crate::math_util;
+
 mod attributes;
 mod control_point;
 mod error;
@@ -458,7 +464,7 @@ macro_rules! parse_hitobjects_body {
                     match path_type {
                         PathType::Linear if curve_points.len() % 2 == 0 => {
                             // Assert that the points are of the form A|B|B|C|C|E
-                            if valid_linear(&curve_points) {
+                            if math_util::valid_linear(&curve_points) {
                                 for i in (2..curve_points.len() - 1).rev().step_by(2) {
                                     curve_points.remove(i);
                                 }
@@ -467,7 +473,7 @@ macro_rules! parse_hitobjects_body {
                             }
                         }
                         PathType::PerfectCurve if curve_points.len() == 3 => {
-                            if is_linear(curve_points[0], curve_points[1], curve_points[2]) {
+                            if math_util::is_linear(curve_points[0], curve_points[1], curve_points[2]) {
                                 path_type = PathType::Linear;
                             }
                         },
@@ -775,22 +781,6 @@ fn split_colon(line: &str) -> Option<(&str, &str)> {
     Some((split.next()?, split.next()?.trim()))
 }
 
-#[inline]
-fn valid_linear(points: &[Pos2]) -> bool {
-    for i in (1..points.len() - 1).step_by(2) {
-        if points[i] != points[i + 1] {
-            return false;
-        }
-    }
-
-    true
-}
-
-#[inline]
-fn is_linear(p0: Pos2, p1: Pos2, p2: Pos2) -> bool {
-    ((p1.y - p0.y) * (p2.x - p0.x) - (p1.x - p0.x) * (p2.y - p0.y)).abs() <= f32::EPSILON
-}
-
 /// The type of curve of a slider.
 #[derive(Copy, Clone, Debug, Eq, PartialEq)]
 pub enum PathType {