Add Stand-in Grenade Fuse Sound

assets/map/elements/item/grenade/grenade.element.yaml

@@ -11,7 +11,7 @@ builtin: !Grenades
   explosion_frames: 12
   explosion_fps: 8
   explosion_sound: ./explosion.ogg
-
+  fuse_sound: ./fuse.ogg
   body_size: [18, 18]
   grab_offset: [-7, -6]
   body_offset: [0, 2]

src/assets.rs

@@ -423,6 +423,8 @@ impl AssetLoader for MapElementMetaLoader {
                     explosion_atlas_handle,
                     explosion_sound,
                     explosion_sound_handle,
+                    fuse_sound,
+                    fuse_sound_handle,
                     ..
                 } => {
                     for (atlas, atlas_handle) in [
@@ -433,10 +435,15 @@ impl AssetLoader for MapElementMetaLoader {
                         *atlas_handle = AssetHandle::new(path.clone(), handle.typed());
                         dependencies.push(path);
                     }
-                    let (sound_path, sound_handle) =
-                        get_relative_asset(load_context, self_path, explosion_sound);
-                    dependencies.push(sound_path);
-                    *explosion_sound_handle = sound_handle.typed();
+                    for (sound, handle) in [
+                        (explosion_sound, explosion_sound_handle),
+                        (fuse_sound, fuse_sound_handle),
+                    ] {
+                        let (sound_path, sound_handle) =
+                            get_relative_asset(load_context, self_path, sound);
+                        dependencies.push(sound_path);
+                        *handle = sound_handle.typed();
+                    }
                 }
             }
 

src/map/elements/grenade.rs

@@ -1,3 +1,5 @@
+use std::time::Duration;
+
 use super::*;
 
 pub struct GrenadePlugin;
@@ -22,13 +24,15 @@ impl Default for IdleGrenade {
 pub struct LitGrenade {
     /// The entity ID of the map element that spawned the grenade
     spawner: Entity,
+    fuse_sound: Handle<AudioInstance>,
     age: f32,
 }
 
 impl Default for LitGrenade {
     fn default() -> Self {
         Self {
             spawner: crate::utils::invalid_entity(),
+            fuse_sound: default(),
             age: 0.0,
         }
     }
@@ -131,6 +135,7 @@ fn update_idle_grenades(
     >,
     mut ridp: ResMut<RollbackIdProvider>,
     element_assets: ResMut<Assets<MapElementMeta>>,
+    effects: Res<AudioChannel<EffectsChannel>>,
 ) {
     let mut items = grenades.iter_mut().collect::<Vec<_>>();
     items.sort_by_key(|x| x.0.id());
@@ -148,7 +153,13 @@ fn update_idle_grenades(
     ) in items
     {
         let meta = element_assets.get(meta_handle).unwrap();
-        let BuiltinElementKind::Grenades { grab_offset, atlas_handle, throw_velocity, .. } = &meta.builtin else {
+        let BuiltinElementKind::Grenades {
+            grab_offset,
+            atlas_handle,
+            throw_velocity,
+            fuse_sound_handle,
+            ..
+        } = &meta.builtin else {
             unreachable!();
         };
 
@@ -198,6 +209,7 @@ fn update_idle_grenades(
                     .insert(body.clone())
                     .insert(LitGrenade {
                         spawner: grenade.spawner,
+                        fuse_sound: effects.play(fuse_sound_handle.clone_weak()).handle(),
                         ..default()
                     })
                     .insert(KinematicBody {
@@ -252,6 +264,7 @@ fn update_lit_grenades(
     element_assets: ResMut<Assets<MapElementMeta>>,
     player_inputs: Res<PlayerInputs>,
     effects: Res<AudioChannel<EffectsChannel>>,
+    mut audio_instances: ResMut<Assets<AudioInstance>>,
 ) {
     let mut items = grenades.iter_mut().collect::<Vec<_>>();
     items.sort_by_key(|x| x.0.id());
@@ -276,6 +289,9 @@ fn update_lit_grenades(
         if grenade.age >= *fuse_time {
             if player_inputs.is_confirmed {
                 effects.play(explosion_sound_handle.clone_weak());
+                audio_instances
+                    .get_mut(&grenade.fuse_sound)
+                    .map(|x| x.stop(AudioTween::linear(Duration::from_secs_f32(0.1))));
             }
 
             // Despawn the grenade

src/metadata/map.rs

@@ -221,6 +221,9 @@ pub enum BuiltinElementKind {
         explosion_sound: String,
         #[serde(skip)]
         explosion_sound_handle: Handle<AudioSource>,
+        fuse_sound: String,
+        #[serde(skip)]
+        fuse_sound_handle: Handle<AudioSource>,
         /// The time in seconds before a grenade explodes
         fuse_time: f32,
         #[serde(default)]