fruits, mania & taiko: handle 2nd object separately

src/taiko/mod.rs

@@ -50,7 +50,7 @@ pub fn stars(map: &Beatmap, mods: impl Mods) -> f32 {
     let mut current_section_end =
         (map.hit_objects[0].start_time / section_len).ceil() * section_len;
 
-    let hit_objects = map
+    let mut hit_objects = map
         .hit_objects
         .iter()
         .enumerate()
@@ -61,6 +61,18 @@ pub fn stars(map: &Beatmap, mods: impl Mods) -> f32 {
             DifficultyObject::new(idx, base, prev, prev_prev, clock_rate)
         });
 
+    // Handle second object separately to remove later if-branching
+    let h = hit_objects.next().unwrap();
+
+    while h.base.start_time > current_section_end {
+        current_section_end += section_len;
+    }
+
+    for skill in skills.iter_mut() {
+        skill.process(&h, &cheese);
+    }
+
+    // Handle all other objects
     for h in hit_objects {
         while h.base.start_time > current_section_end {
             for skill in skills.iter_mut() {

src/taiko/skill.rs

@@ -30,16 +30,12 @@ impl Skill {
 
     #[inline]
     pub(crate) fn save_current_peak(&mut self) {
-        if self.prev_time.is_some() {
-            self.strain_peaks.push(self.current_section_peak);
-        }
+        self.strain_peaks.push(self.current_section_peak);
     }
 
     #[inline]
     pub(crate) fn start_new_section_from(&mut self, time: f32) {
-        if let Some(prev) = self.prev_time {
-            self.current_section_peak = self.peak_strain(time - prev);
-        }
+        self.current_section_peak = self.peak_strain(time - self.prev_time.unwrap());
     }
 
     #[inline]