port akatsuki autopilot changes

src/model/mods.rs

@@ -177,6 +177,7 @@ impl_has_mod! {
     dt: + DoubleTime ["DoubleTime"],
     nc: + Nightcore ["Nightcore"],
     ht: + HalfTime ["HalfTime"],
+    ap: + Autopilot ["Autopilot"],
     bl: - Blinds ["Blinds"],
 }
 

src/osu/difficulty/mod.rs

@@ -174,6 +174,11 @@ impl DifficultyValues {
             flashlight_rating *= 0.7;
         }
 
+        if mods.ap() {
+            aim_rating = 0.0;
+            flashlight_rating *= 0.4;
+        }
+
         let base_aim_performance =
             (5.0 * (aim_rating / 0.0675).max(1.0) - 4.0).powf(3.0) / 100_000.0;
         let base_speed_performance =

src/osu/difficulty/skills/mod.rs

@@ -44,7 +44,7 @@ impl OsuSkills {
 
         let aim = Aim::new(true);
         let aim_no_sliders = Aim::new(false);
-        let speed = Speed::new(hit_window);
+        let speed = Speed::new(hit_window, mods);
         let flashlight = Flashlight::new(mods, scaling_factor.radius, time_preempt, time_fade_in);
 
         Self {

src/osu/difficulty/skills/speed.rs

@@ -7,6 +7,7 @@ use crate::{
     },
     osu::difficulty::object::OsuDifficultyObject,
     util::strains_vec::StrainsVec,
+    GameMods,
 };
 
 use super::strain::OsuStrainSkill;
@@ -23,17 +24,19 @@ pub struct Speed {
     curr_rhythm: f64,
     object_strains: Vec<f64>,
     hit_window: f64,
+    has_autopilot_mod: bool,
     inner: OsuStrainSkill,
 }
 
 impl Speed {
-    pub fn new(hit_window: f64) -> Self {
+    pub fn new(hit_window: f64, mods: &GameMods) -> Self {
         Self {
             curr_strain: 0.0,
             curr_rhythm: 0.0,
             // mean=406.72 | median=307
             object_strains: Vec::with_capacity(256),
             hit_window,
+            has_autopilot_mod: mods.ap(),
             inner: OsuStrainSkill::default(),
         }
     }
@@ -124,9 +127,12 @@ impl<'a> Skill<'a, Speed> {
 
     fn strain_value_at(&mut self, curr: &'a OsuDifficultyObject<'a>) -> f64 {
         self.inner.curr_strain *= strain_decay(curr.strain_time, STRAIN_DECAY_BASE);
-        self.inner.curr_strain +=
+        self.inner.curr_strain += SpeedEvaluator::evaluate_diff_of(
-            SpeedEvaluator::evaluate_diff_of(curr, self.diff_objects, self.inner.hit_window)
+            curr,
-                * SKILL_MULTIPLIER;
+            self.diff_objects,
+            self.inner.hit_window,
+            self.inner.has_autopilot_mod,
+        ) * SKILL_MULTIPLIER;
         self.inner.curr_rhythm =
             RhythmEvaluator::evaluate_diff_of(curr, self.diff_objects, self.inner.hit_window);
 
@@ -148,6 +154,7 @@ impl SpeedEvaluator {
         curr: &'a OsuDifficultyObject<'a>,
         diff_objects: &'a [OsuDifficultyObject<'a>],
         hit_window: f64,
+        has_autopilot_mod: bool,
     ) -> f64 {
         if curr.base.is_spinner() {
             return 0.0;
@@ -185,7 +192,11 @@ impl SpeedEvaluator {
         };
 
         let travel_dist = osu_prev_obj.map_or(0.0, |obj| obj.travel_dist);
-        let dist = Self::SINGLE_SPACING_THRESHOLD.min(travel_dist + osu_curr_obj.min_jump_dist);
+        let dist = if has_autopilot_mod {
+            0.0
+        } else {
+            Self::SINGLE_SPACING_THRESHOLD.min(travel_dist + osu_curr_obj.min_jump_dist)
+        };
 
         (speed_bonus + speed_bonus * (dist / Self::SINGLE_SPACING_THRESHOLD).powf(3.5))
             * doubletapness

src/osu/performance/mod.rs

@@ -613,6 +613,10 @@ impl OsuPerformanceInner<'_> {
     }
 
     fn compute_aim_value(&self) -> f64 {
+        if self.mods.ap() {
+            return 0.0;
+        }
+
         let mut aim_value = (5.0 * (self.attrs.aim / 0.0675).max(1.0) - 4.0).powf(3.0) / 100_000.0;
 
         let total_hits = self.total_hits();
@@ -706,7 +710,9 @@ impl OsuPerformanceInner<'_> {
 
         speed_value *= self.get_combo_scaling_factor();
 
-        let ar_factor = if self.attrs.ar > 10.33 {
+        let ar_factor = if self.mods.ap() {
+            0.0
+        } else if self.attrs.ar > 10.33 {
             0.3 * (self.attrs.ar - 10.33)
         } else {
             0.0