added audio + visual effects for battery overload

LICENSE.md

@@ -47,6 +47,8 @@
     - achieve.ogg: [UI Completed Status Alert Notification by Headphaze, CC BY 4.0](https://freesound.org/s/277033/)
     - drink.ogg: [Pouring Beer into Short Glass by megashroom, CC0](https://freesound.org/s/390336/)
     - enter.ogg, exit.ogg: [Getting Out of Car.wav by kingsrow, CC0](https://freesound.org/s/181568/)
+    - powerdown.ogg: [Energy Drain by qubodup, CC0](https://freesound.org/people/qubodup/sounds/742835/)
+    - spark.ogg: [Socket Connect Disconnect by JustHallowed, CC BY 4.0](https://freesound.org/people/JustHallowed/sounds/691007/), Tempo -40, Amplify 4
     - Takeoff.ogg: [By Serat, CC BY 4.0](https://freemusicarchive.org/music/serat/route-remastered/takeoff-remastered/)
     - JupiterRecording.ogg: An [actual Jupiter recording by NASA](https://archive.org/download/voyager-1-and-2-1990-jupiter-nasa-voyager-space-sounds-electronic), public domain.
         - Processed by cutting out min 1:47-3:47 and applying a 10s linear crossfade at the end. Exported as ogg with quality=3, see [.kdenlive file](src/audio/JupiterRecording.kdenlive).

src/actor.rs

@@ -258,6 +258,7 @@ pub struct Battery {
     pub power: f32,    // Watt-seconds
     pub capacity: f32, // Watt-seconds
     pub reactor: f32,  // Watt (production)
+    pub overloaded_recovering: bool,
 }
 
 impl Default for Battery {
@@ -266,6 +267,7 @@ impl Default for Battery {
             power: 10e3 * 3600.0,
             capacity: 10e3 * 3600.0, // 10kWh
             reactor: 2000e3,         // 2MW
+            overloaded_recovering: false,
         }
     }
 }
@@ -279,13 +281,14 @@ pub fn update_power(
     mut ew_sfx: EventWriter<audio::PlaySfxEvent>,
     mut ew_game: EventWriter<game::GameEvent>,
 ) {
+    let mut power_down = false;
     let d = time.delta_seconds();
     for (mut battery, mut engine) in &mut q_battery {
         if settings.flashlight_active {
             battery.power -= POWER_DRAIN_FLASHLIGHT[prefs.flashlight_power] * d; // 2.4MW
             if battery.power <= 0.0 {
+                power_down = true;
                 settings.flashlight_active = false;
-                ew_sfx.send(audio::PlaySfxEvent(audio::Sfx::Switch));
                 for mut flashlight_vis in &mut q_flashlight {
                     *flashlight_vis = Visibility::Hidden;
                 }
@@ -296,26 +299,39 @@ pub fn update_power(
             hud_drain += prefs.light_amp as f32 * 200e3; // 200kW per level
             battery.power -= hud_drain * d;
             if battery.power <= 0.0 {
+                power_down = true;
                 ew_game.send(GameEvent::SetAR(Turn::Off));
-                ew_sfx.send(audio::PlaySfxEvent(audio::Sfx::Switch));
                 for mut flashlight_vis in &mut q_flashlight {
                     *flashlight_vis = Visibility::Hidden;
                 }
             }
         }
         let drain = POWER_DRAIN_THRUSTER[prefs.thruster_boost];
-        let boosting = prefs.thruster_boost != 2
-            && (battery.power > drain * d * 20.0)
+        let boosting = !battery.overloaded_recovering
+            && prefs.thruster_boost != 2
             && (prefs.thruster_boost == 1 || engine.currently_matching_velocity);
         if boosting {
-            engine.current_boost_factor = THRUSTER_BOOST_FACTOR[prefs.thruster_boost];
-            if engine.currently_firing {
-                battery.power -= drain * d;
+            if battery.power > drain * d * 100.0 {
+                engine.current_boost_factor = THRUSTER_BOOST_FACTOR[prefs.thruster_boost];
+                if engine.currently_firing {
+                    battery.power -= drain * d;
+                }
+            } else {
+                power_down = true;
+                battery.overloaded_recovering = true;
+                engine.current_boost_factor = 1.0;
             }
         } else {
             engine.current_boost_factor = 1.0;
         }
+        if power_down {
+            ew_sfx.send(audio::PlaySfxEvent(audio::Sfx::PowerDown));
+        }
         battery.power = (battery.power + battery.reactor * d).clamp(0.0, battery.capacity);
+        if battery.overloaded_recovering && battery.power > battery.capacity * 0.5 {
+            ew_sfx.send(audio::PlaySfxEvent(audio::Sfx::PowerUp));
+            battery.overloaded_recovering = false;
+        }
     }
 }
 

src/audio.rs

@@ -77,6 +77,8 @@ const PATHS: &[(SfxType, Sfx, &str)] = &[
         "sounds/connect.ogg",
     ),
     (SfxType::OneOff, Sfx::Ping, "sounds/connect.ogg"),
+    (SfxType::OneOff, Sfx::PowerDown, "sounds/powerdown.ogg"),
+    (SfxType::OneOff, Sfx::PowerUp, "sounds/spark.ogg"),
     (SfxType::OneOff, Sfx::Switch, "sounds/click2.ogg"),
     (SfxType::OneOff, Sfx::Refill, "sounds/refill.ogg"),
     (SfxType::OneOff, Sfx::WakeUp, "sounds/wakeup.ogg"),
@@ -103,6 +105,8 @@ pub enum Sfx {
     IncomingChatMessage,
     Ion,
     Ping,
+    PowerDown,
+    PowerUp,
     Refill,
     Switch,
     Thruster,
@@ -125,6 +129,8 @@ pub fn str2sfx(sfx_label: &str) -> Sfx {
         "zoom" => Sfx::Zoom,
         "chat" => Sfx::IncomingChatMessage,
         "ping" => Sfx::Ping,
+        "powerdown" => Sfx::PowerDown,
+        "powerup" => Sfx::PowerUp,
         "connect" => Sfx::Connect,
         "refill" => Sfx::Refill,
         "entervehicle" => Sfx::EnterVehicle,

src/hud.rs

@@ -38,6 +38,7 @@ pub const DASHBOARD_DEF: &[(Dashboard, &str)] = &[
     (Dashboard::Leak, "leak"),
     (Dashboard::RotationStabiliser, "rotation_stabiliser"),
     (Dashboard::CruiseControl, "cruise_control"),
+    (Dashboard::Battery, "battery"),
     (Dashboard::Radioactivity, "radioactivity"),
 ];
 
@@ -142,6 +143,7 @@ pub enum Dashboard {
     RotationStabiliser,
     CruiseControl,
     Radioactivity,
+    Battery,
 }
 
 #[derive(Component, Debug, Copy, Clone)]
@@ -681,7 +683,7 @@ fn update_dashboard(
     timer: ResMut<FPSUpdateTimer>,
     mut q_dashboard: Query<(&mut Visibility, &Dashboard)>,
     id2pos: Res<game::Id2Pos>,
-    q_player: Query<(&actor::Suit, &Position), With<actor::Player>>,
+    q_player: Query<(&actor::Suit, &actor::Battery, &Position), With<actor::Player>>,
     settings: Res<Settings>,
 ) {
     if !settings.hud_active || !timer.0.just_finished() {
@@ -691,12 +693,13 @@ fn update_dashboard(
     if player.is_err() {
         return;
     }
-    let (suit, pos) = player.unwrap();
+    let (suit, battery, pos) = player.unwrap();
 
     for (mut vis, icon) in &mut q_dashboard {
         *vis = bool2vis(match icon {
             Dashboard::Flashlight => settings.flashlight_active,
             Dashboard::Leak => suit.integrity < 0.5,
+            Dashboard::Battery => battery.overloaded_recovering,
             Dashboard::RotationStabiliser => !settings.rotation_stabilizer_active,
             Dashboard::CruiseControl => settings.cruise_control_active,
             Dashboard::Radioactivity => {

src/svg/dashboard_battery.svg

@@ -0,0 +1,105 @@
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