turn settings into a resource

src/main.rs

@@ -13,7 +13,6 @@ fn main() {
     App::new()
         .add_systems(Startup, (
                 setup,
-                settings::setup,
                 audio::setup,
                 player::setup,
                 world::setup,
@@ -33,6 +32,7 @@ fn main() {
             FrameTimeDiagnosticsPlugin,
             LogDiagnosticsPlugin::default(),
         ))
+        .insert_resource(settings::Settings::default())
         .run();
 }
 
@@ -50,16 +50,13 @@ fn setup(
 
 fn handle_input(
     keyboard_input: Res<ButtonInput<KeyCode>>,
-    mut settings: Query<&mut settings::Settings>,
+    mut settings: ResMut<settings::Settings>,
     mut app_exit_events: ResMut<Events<bevy::app::AppExit>>
 ) {
     if keyboard_input.pressed(KeyCode::KeyQ) {
         app_exit_events.send(bevy::app::AppExit);
     }
     if keyboard_input.just_pressed(KeyCode::F12) {
-        let result = settings.get_single_mut();
-        if result.is_ok() {
-            result.unwrap().reset()
-        }
+        settings.reset();
     }
 }

src/settings.rs

@@ -1,6 +1,6 @@
 use bevy::prelude::*;
 
-#[derive(Component)]
+#[derive(Resource)]
 pub struct Settings {
     pub mute_sfx: bool,
     pub mute_music: bool,
@@ -25,7 +25,3 @@ impl Settings {
         *self = Self::default();
     }
 }
-
-pub fn setup(mut commands: Commands) {
-    commands.spawn(Settings::default());
-}