Simplify sound components and refactor to single-source.

src/sound/footstep.rs

@@ -1,7 +1,7 @@
 use std::collections::HashMap;
 
 use bevy::{prelude::*, transform::TransformSystem};
-use bevy_synthizer::{Buffer, DistanceMax, DistanceRef, Rolloff, Sound};
+use bevy_synthizer::{Buffer, Sound};
 use rand::random;
 
 use crate::{commands::RunIfExistsExt, core::PointLike};
@@ -12,9 +12,6 @@ pub struct Footstep {
     pub sound: Handle<Buffer>,
     pub step_length: f32,
     pub gain: f64,
-    pub reference_distance: Option<f64>,
-    pub max_distance: Option<f64>,
-    pub rolloff: Option<f64>,
     pub pitch: Option<f64>,
     pub pitch_variation: Option<f64>,
 }
@@ -25,22 +22,12 @@ impl Default for Footstep {
             sound: default(),
             step_length: 0.8,
             gain: 1.,
-            reference_distance: None,
-            max_distance: None,
-            rolloff: None,
             pitch: None,
             pitch_variation: Some(0.15),
         }
     }
 }
 
-#[derive(Bundle, Default)]
-pub struct FootstepBundle {
-    pub footstep: Footstep,
-    pub transform: Transform,
-    pub global_transform: GlobalTransform,
-}
-
 fn added(mut commands: Commands, footsteps: Query<(Entity, &Footstep), Added<Footstep>>) {
     for (entity, footstep) in footsteps.iter() {
         let buffer = footstep.sound.clone();
@@ -55,79 +42,17 @@ fn added(mut commands: Commands, footsteps: Query<(Entity, &Footstep), Added<Foo
 }
 
 fn update(
-    mut commands: Commands,
+    mut last_step_distance: Local<HashMap<Entity, (f32, GlobalTransform)>>,
-    mut last_step_distance: Local<HashMap<Entity, (f32, Transform)>>,
+    mut footsteps: Query<(Entity, &Footstep, &Parent, &mut Sound)>,
-    mut footsteps: Query<
+    transforms_storage: Query<&GlobalTransform>,
-        (
-            Entity,
-            &Footstep,
-            &Parent,
-            &mut Sound,
-            Option<&DistanceRef>,
-            Option<&DistanceMax>,
-            Option<&Rolloff>,
-        ),
-        Changed<GlobalTransform>,
-    >,
-    transforms_storage: Query<&Transform>,
 ) {
-    for (entity, footstep, parent, mut sound, reference_distance, max_distance, rolloff) in
+    for (entity, footstep, parent, mut sound) in footsteps.iter_mut() {
-        footsteps.iter_mut()
+        if let Ok(transform) = transforms_storage.get(**parent) {
-    {
-        let coordinates = transforms_storage.get(**parent).unwrap();
             if let Some(last) = last_step_distance.get(&entity) {
-            let distance = last.0 + (last.1.distance(coordinates));
+                let distance = last.0 + (last.1.distance(transform));
                 if distance >= footstep.step_length {
-                last_step_distance.insert(entity, (0., *coordinates));
+                    last_step_distance.insert(entity, (0., *transform));
                     sound.gain = footstep.gain;
-                if let Some(v) = footstep.reference_distance {
-                    let insert = if let Some(v2) = reference_distance {
-                        v != **v2
-                    } else {
-                        true
-                    };
-                    if insert {
-                        commands.run_if_exists(entity, move |mut entity| {
-                            entity.insert(DistanceRef(v));
-                        })
-                    }
-                } else if reference_distance.is_some() {
-                    commands.run_if_exists(entity, |mut entity| {
-                        entity.remove::<DistanceRef>();
-                    });
-                }
-                if let Some(v) = footstep.max_distance {
-                    let insert = if let Some(v2) = max_distance {
-                        v != **v2
-                    } else {
-                        true
-                    };
-                    if insert {
-                        commands.run_if_exists(entity, move |mut entity| {
-                            entity.insert(DistanceMax(v));
-                        })
-                    }
-                } else if max_distance.is_some() {
-                    commands.run_if_exists(entity, |mut entity| {
-                        entity.remove::<DistanceMax>();
-                    });
-                }
-                if let Some(v) = footstep.rolloff {
-                    let insert = if let Some(v2) = rolloff {
-                        v != **v2
-                    } else {
-                        true
-                    };
-                    if insert {
-                        commands.run_if_exists(entity, move |mut entity| {
-                            entity.insert(Rolloff(v));
-                        })
-                    }
-                } else if rolloff.is_some() {
-                    commands.run_if_exists(entity, |mut entity| {
-                        entity.remove::<Rolloff>();
-                    });
-                }
                     sound.pitch = footstep.pitch.unwrap_or(1.);
                     if let Some(pitch_variation) = footstep.pitch_variation {
                         let mut pitch = sound.pitch - pitch_variation / 2.;
@@ -136,11 +61,12 @@ fn update(
                     }
                     sound.paused = false;
                     sound.restart = true;
-            } else if last.1 != *coordinates {
+                } else if last.1 != *transform {
-                last_step_distance.insert(entity, (distance, *coordinates));
+                    last_step_distance.insert(entity, (distance, *transform));
                 }
             } else {
-            last_step_distance.insert(entity, (0., *coordinates));
+                last_step_distance.insert(entity, (0., *transform));
+            }
         }
     }
 }
@@ -150,7 +76,7 @@ pub struct FootstepPlugin;
 impl Plugin for FootstepPlugin {
     fn build(&self, app: &mut App) {
         app.register_type::<Footstep>()
-            .add_system(added)
+            .add_system_to_stage(CoreStage::PreUpdate, added)
             .add_system_to_stage(
                 CoreStage::PostUpdate,
                 update.after(TransformSystem::TransformPropagate),

src/sound/icon.rs

@@ -1,7 +1,7 @@
 use std::{fmt::Debug, hash::Hash, time::Duration};
 
-use bevy::{prelude::*, transform::TransformSystem};
+use bevy::prelude::*;
-use bevy_synthizer::{Buffer, DistanceMax, DistanceRef, Rolloff, Sound};
+use bevy_synthizer::{Buffer, Sound};
 
 use rand::random;
 
@@ -17,9 +17,6 @@ pub struct SoundIcon {
     pub sound: Handle<Buffer>,
     pub gain: f64,
     pub pitch: f64,
-    pub reference_distance: Option<f64>,
-    pub max_distance: Option<f64>,
-    pub rolloff: Option<f64>,
     pub interval: Option<Timer>,
 }
 
@@ -30,9 +27,6 @@ impl Default for SoundIcon {
             sound: default(),
             gain: 1.,
             pitch: 1.,
-            reference_distance: None,
-            max_distance: None,
-            rolloff: None,
             interval: Some(Timer::from_seconds(seconds, true)),
         };
         if let Some(ref mut interval) = icon.interval {
@@ -43,22 +37,12 @@ impl Default for SoundIcon {
     }
 }
 
-#[derive(Bundle, Clone, Debug, Default)]
-pub struct SoundIconBundle {
-    pub sound_icon: SoundIcon,
-    pub transform: Transform,
-    pub global_transform: GlobalTransform,
-}
-
 fn added(mut commands: Commands, icons: Query<(Entity, &SoundIcon), Added<SoundIcon>>) {
     for (entity, icon) in icons.iter() {
         let buffer = icon.sound.clone();
         let gain = icon.gain;
         let pitch = icon.pitch;
         let looping = icon.interval.is_none();
-        let reference_distance = icon.reference_distance;
-        let max_distance = icon.max_distance;
-        let rolloff = icon.rolloff;
         commands.run_if_exists(entity, move |mut entity| {
             entity.insert(Sound {
                 buffer,
@@ -68,21 +52,11 @@ fn added(mut commands: Commands, icons: Query<(Entity, &SoundIcon), Added<SoundI
                 paused: true,
                 ..default()
             });
-            if let Some(v) = reference_distance {
-                entity.insert(DistanceRef(v));
-            }
-            if let Some(v) = max_distance {
-                entity.insert(DistanceMax(v));
-            }
-            if let Some(v) = rolloff {
-                entity.insert(Rolloff(v));
-            }
         });
     }
 }
 
 fn update<S>(
-    mut commands: Commands,
     config: Res<SoundIconConfig<S>>,
     state: Res<State<S>>,
     time: Res<Time>,
@@ -93,9 +67,6 @@ fn update<S>(
         Option<&Visible>,
         Option<&Parent>,
         &mut Sound,
-        Option<&DistanceRef>,
-        Option<&DistanceMax>,
-        Option<&Rolloff>,
     )>,
 ) where
     S: 'static + Clone + Debug + Eq + Hash + Send + Sync,
@@ -104,17 +75,7 @@ fn update<S>(
         return;
     }
     for visible in viewers.iter() {
-        for (
+        for (icon_entity, mut icon, visibility, parent, mut sound) in icons.iter_mut() {
-            icon_entity,
-            mut icon,
-            visibility,
-            parent,
-            mut sound,
-            distance_ref,
-            distance_max,
-            rolloff,
-        ) in icons.iter_mut()
-        {
             let entity = if visibility.is_some() {
                 Some(icon_entity)
             } else if parent.is_some() {
@@ -141,54 +102,6 @@ fn update<S>(
                     sound.gain = icon.gain;
                     sound.pitch = icon.pitch;
                     sound.looping = icon.interval.is_none();
-                    if let Some(v) = icon.reference_distance {
-                        let insert = if let Some(v2) = distance_ref {
-                            v != **v2
-                        } else {
-                            true
-                        };
-                        if insert {
-                            commands.run_if_exists(icon_entity, move |mut entity| {
-                                entity.insert(DistanceRef(v));
-                            })
-                        }
-                    } else if distance_ref.is_some() {
-                        commands.run_if_exists(icon_entity, |mut entity| {
-                            entity.remove::<DistanceRef>();
-                        });
-                    }
-                    if let Some(v) = icon.max_distance {
-                        let insert = if let Some(v2) = distance_max {
-                            v != **v2
-                        } else {
-                            true
-                        };
-                        if insert {
-                            commands.run_if_exists(icon_entity, move |mut entity| {
-                                entity.insert(DistanceMax(v));
-                            })
-                        }
-                    } else if distance_max.is_some() {
-                        commands.run_if_exists(icon_entity, |mut entity| {
-                            entity.remove::<DistanceMax>();
-                        });
-                    }
-                    if let Some(v) = icon.rolloff {
-                        let insert = if let Some(v2) = rolloff {
-                            v != **v2
-                        } else {
-                            true
-                        };
-                        if insert {
-                            commands.run_if_exists(icon_entity, move |mut entity| {
-                                entity.insert(Rolloff(v));
-                            })
-                        }
-                    } else if rolloff.is_some() {
-                        commands.run_if_exists(icon_entity, |mut entity| {
-                            entity.remove::<Rolloff>();
-                        });
-                    }
                 } else if !sound.paused {
                     sound.paused = true;
                     sound.restart = true;
@@ -288,10 +201,7 @@ where
 {
     fn build(&self, app: &mut App) {
         app.add_system(added)
-            .add_system_to_stage(
+            .add_system_to_stage(CoreStage::PostUpdate, update::<S>)
-                CoreStage::PostUpdate,
-                update::<S>.after(TransformSystem::TransformPropagate),
-            )
             .add_system_to_stage(
                 CoreStage::PostUpdate,
                 exploration_focus_changed.after(update::<S>),

src/sound/mod.rs

@@ -7,8 +7,8 @@ use crate::core::CoreConfig;
 pub mod footstep;
 pub mod icon;
 
-pub use footstep::{Footstep, FootstepBundle};
+pub use footstep::Footstep;
-pub use icon::{SoundIcon, SoundIconBundle};
+pub use icon::SoundIcon;
 
 /*fn scale_sounds(config: Res<CoreConfig>, mut sounds: Query<&mut Sound>) {
     let pixels_per_unit = config.pixels_per_unit as f32;