add starry sky box with shader

This reverts commit c7a050e2aa.

Cargo.toml

@@ -11,7 +11,7 @@ rust-version = "1.76.0"
 
 [dependencies]
 regex = "1"
-bevy = { version = "0.13.2", default-features = false, features = ["jpeg", "bevy_asset", "bevy_audio", "bevy_scene", "bevy_winit", "bevy_core_pipeline", "bevy_pbr", "bevy_gltf", "bevy_render", "bevy_text", "bevy_ui", "multi-threaded", "png", "tonemapping_luts", "vorbis", "x11"]}
+bevy = { version = "0.13.2", default-features = false, features = ["jpeg", "bevy_asset", "bevy_audio", "bevy_scene", "bevy_winit", "bevy_core_pipeline", "bevy_pbr", "bevy_gltf", "bevy_render", "bevy_text", "bevy_ui", "multi-threaded", "png", "tonemapping_luts", "vorbis"]}
 bevy_xpbd_3d = { version = "0.4.2", default-features = false, features = ["3d", "f64", "parry-f64", "parallel", "async-collider"] }
 bevy_embedded_assets = "0.10.2"
 fastrand = "2.0"
@@ -19,8 +19,10 @@ serde = "1.0"
 serde_yaml = "0.9"
 
 [features]
+default = ["x11"]
 dev = ["bevy/dynamic_linking", "bevy/file_watcher"]
 wasm = ["bevy/webgl2"]
+x11 = ["bevy/x11"]
 wayland = ["bevy/wayland"]
 
 [profile.dev]

README.md

@@ -27,6 +27,7 @@ Links:
 
 # Key Bindings
 
+- F1: Show key bindings
 - Space: Slow down (or match velocity)
 - AWSD/Shift/Ctrl: Accelerate
 - R: Rotate (hold & move mouse)

assets/shaders/material_asteroid.wgsl

@@ -0,0 +1,77 @@
+#import bevy_pbr::{
+    mesh_view_bindings::view,
+    pbr_fragment::pbr_input_from_standard_material,
+    pbr_functions::alpha_discard,
+    utils::coords_to_viewport_uv,
+}
+
+#ifdef PREPASS_PIPELINE
+#import bevy_pbr::{
+    prepass_io::{VertexOutput, FragmentOutput},
+    pbr_deferred_functions::deferred_output,
+}
+#else
+#import bevy_pbr::{
+    forward_io::{VertexOutput, FragmentOutput},
+    pbr_functions::{apply_pbr_lighting, main_pass_post_lighting_processing},
+}
+#endif
+
+struct MyExtendedMaterial {
+    quantize_steps: u32,
+}
+
+@group(2) @binding(100)
+var<uniform> my_extended_material: MyExtendedMaterial;
+
+@fragment
+fn fragment(
+    in: VertexOutput,
+    @builtin(front_facing) is_front: bool,
+) -> FragmentOutput {
+    // generate a PbrInput struct from the StandardMaterial bindings
+    var pbr_input = pbr_input_from_standard_material(in, is_front);
+
+    // we can optionally modify the input before lighting and alpha_discard is applied
+    //pbr_input.material.base_color.b = pbr_input.material.base_color.r;
+
+    // alpha discard
+    pbr_input.material.base_color = alpha_discard(pbr_input.material, pbr_input.material.base_color);
+
+#ifdef PREPASS_PIPELINE
+    // in deferred mode we can't modify anything after that, as lighting is run in a separate fullscreen shader.
+    let out = deferred_output(in, pbr_input);
+#else
+    var out: FragmentOutput;
+    // apply lighting
+    out.color = apply_pbr_lighting(pbr_input);
+
+    // we can optionally modify the lit color before post-processing is applied
+    //out.color = vec4<f32>(vec4<u32>(out.color * f32(my_extended_material.quantize_steps))) / f32(my_extended_material.quantize_steps);
+
+    // apply in-shader post processing (fog, alpha-premultiply, and also tonemapping, debanding if the camera is non-hdr)
+    // note this does not include fullscreen postprocessing effects like bloom.
+    out.color = main_pass_post_lighting_processing(pbr_input, out.color);
+
+    // we can optionally modify the final result here
+    //out.color = out.color * 2.0;
+
+//#ifdef VERTEX_UV
+//    out.color = out.color * grain(in.u, in.v);
+//    out.color = vec4<f32>(0.0, 1.0, 0.0, 1.0);
+//#else
+//    // Why am I not getting in.uv??
+//    let viewport_uv = coords_to_viewport_uv(in.position.xy, view.viewport);
+//    out.color = out.color * grain(viewport_uv);
+//#endif
+    out.color = out.color * grain(in.position.xyz);
+
+#endif
+
+
+    return out;
+}
+
+fn grain(uv: vec3<f32>) -> f32 {
+    return clamp(sin(uv[0]+uv[2])+cos(uv[1]), 0.0, 1.0);
+}

assets/shaders/skybox.wgsl

@@ -0,0 +1,11 @@
+#import bevy_pbr::{
+    mesh_view_bindings::globals,
+    forward_io::VertexOutput,
+}
+
+@fragment
+fn fragment(in: VertexOutput) -> @location(0) vec4<f32> {
+    let pos: vec2<f32> = 10 * floor(3500 * in.uv);
+    let brightness: vec3<f32> = vec3(max((fract(dot(sin(pos),pos)) - 0.995) * 90.0, 0.0));
+    return vec4<f32>(0.01 * brightness, 1.0);
+}

doc/scripts/pack.sh

@@ -5,8 +5,8 @@
 set -e
 
 if [ "$1" == "-b" ]; then
-    cargo build --release
+    cargo build --release --target=x86_64-unknown-linux-gnu --features "x11 wayland"
-    cargo build --target=x86_64-pc-windows-gnu --release
+    cargo build --release --target=x86_64-pc-windows-gnu --no-default-features
 fi
 
 VERSION="$(sed -nr 's/^\s*version\s*=\s*"(.*)"\s*$/\1/p' Cargo.toml)"
@@ -25,7 +25,7 @@ cp ../target/x86_64-pc-windows-gnu/release/outfly.exe "$SRCPATH"
 zip -v -r -9 ../"outfly_v${VERSION}_windows.zip" "$SRCPATH"
 
 rm "$SRCPATH"/outfly.exe
-cp ../target/release/outfly "$SRCPATH"
+cp ../target/x86_64-unknown-linux-gnu/release/outfly "$SRCPATH"
 zip -v -r -9 ../"outfly_v${VERSION}_linux.zip" "$SRCPATH"
 
 cd ..

src/camera.rs

@@ -264,6 +264,7 @@ pub fn apply_input_to_player(
                     }
                 }
             }
+            // TODO: handle mass
             v.0 += acceleration_total;
             engine.current_warmup = (engine.current_warmup + dt / engine.warmup_seconds).clamp(0.0, 1.0);
             play_thruster_sound = true;
@@ -405,11 +406,12 @@ pub fn find_closest_target<TargetSpecifier>(
         // not on the player mesh but on the camera, which doesn't have a position.
         let (angular_diameter, angle, distance) = calc_angular_diameter_known_target_vector(
                 trans, camera_transform, &target_vector);
+        let distance_to_surface = distance - trans.scale.x;
         if angle <= angular_diameter.clamp(0.001, PI) {
             // It's in the field of view!
             //commands.entity(entity).insert(IsTargeted);
-            if distance < closest_distance {
+            if distance_to_surface < closest_distance {
-                closest_distance = distance;
+                closest_distance = distance_to_surface;
                 closest_entity = Some(entity);
             }
         }

src/chat.rs

@@ -691,6 +691,11 @@ pub fn handle_chat_events(
                     hud::LogLevel::Warning => {
                         log.warning(message.into());
                     }
+                    hud::LogLevel::Always => {
+                        log.add(message.into(),
+                            chat.talker.name.clone().unwrap_or("".to_string()),
+                            hud::LogLevel::Always);
+                    }
                 }
                 chat.timer = now + ((message.len() as f32).max(CHAT_SPEED_MIN_LEN) * TALKER_SPEED_FACTOR * chat.talker.talking_speed / settings.chat_speed) as f64;
 

src/commands.rs

@@ -14,10 +14,13 @@ impl Plugin for CommandsPlugin {
     fn build(&self, app: &mut App) {
         app.add_systems(Startup, load_defs);
         app.add_systems(Update, spawn_entities);
+        app.add_systems(PreUpdate, hide_colliders
+            .run_if(any_with_component::<NeedsSceneColliderRemoved>));
         app.add_event::<SpawnEvent>();
     }
 }
 
+#[derive(Component)] pub struct NeedsSceneColliderRemoved;
 #[derive(Event)] pub struct SpawnEvent(ParserState);
 #[derive(PartialEq, Clone)]
 enum DefClass {
@@ -49,10 +52,12 @@ struct ParserState {
     is_suited: bool,
     is_vehicle: bool,
     is_clickable: bool,
+    is_targeted_on_startup: bool,
     has_physics: bool,
     wants_maxrotation: Option<f64>,
     wants_maxvelocity: Option<f64>,
     collider_is_mesh: bool,
+    collider_is_one_mesh_of_scene: bool,
     thrust_forward: f32,
     thrust_sideways: f32,
     thrust_back: f32,
@@ -92,10 +97,12 @@ impl Default for ParserState {
             is_suited: false,
             is_vehicle: false,
             is_clickable: true,
+            is_targeted_on_startup: false,
             has_physics: true,
             wants_maxrotation: None,
             wants_maxvelocity: None,
             collider_is_mesh: false,
+            collider_is_one_mesh_of_scene: false,
             thrust_forward: default_engine.thrust_forward,
             thrust_sideways: default_engine.thrust_forward,
             thrust_back: default_engine.thrust_back,
@@ -184,6 +191,7 @@ pub fn load_defs(
             ["relativeto", id] => {
                 // NOTE: call this command before "id", otherwise actors that
                 // set their position relative to this actor will get the wrong offset
+                // TODO: fix the above
                 match id2pos.get(&id.to_string()) {
                     Some(pos) => {
                         state.pos += *pos;
@@ -362,6 +370,9 @@ pub fn load_defs(
             ["collider", "mesh"] => {
                 state.collider_is_mesh = true;
             }
+            ["collider", "handcrafted"] => {
+                state.collider_is_one_mesh_of_scene = true;
+            }
             ["player", "yes"] => {
                 state.is_player = true;
                 state.is_alive = true;
@@ -414,6 +425,9 @@ pub fn load_defs(
             ["armodel", asset_name] => {
                 state.ar_model = Some(asset_name.to_string());
             }
+            ["targeted", "yes"] => {
+                state.is_targeted_on_startup = true;
+            }
             _ => {
                 error!("No match for [{}]", parts.join(","));
             }
@@ -482,11 +496,23 @@ fn spawn_entities(
                 actor.insert(AngularVelocity(state.angular_momentum));
                 actor.insert(ColliderDensity(state.density));
                 if state.collider_is_mesh {
+                    actor.insert(MassPropertiesBundle::new_computed(
+                            &Collider::sphere(0.5 * state.model_scale as f64), state.density));
                     actor.insert(AsyncSceneCollider::new(Some(
                         ComputedCollider::TriMesh
                         //ComputedCollider::ConvexDecomposition(VHACDParameters::default())
                     )));
                 }
+                else if state.collider_is_one_mesh_of_scene {
+                    actor.insert(MassPropertiesBundle::new_computed(
+                            &Collider::sphere(0.5 * state.model_scale as f64), state.density));
+                    actor.insert(AsyncSceneCollider::new(None)
+                        .with_shape_for_name("Collider", ComputedCollider::TriMesh)
+                        .with_layers_for_name("Collider", CollisionLayers::ALL)
+                        //.with_density_for_name("Collider", state.density)
+                    );
+                    actor.insert(NeedsSceneColliderRemoved);
+                }
                 else {
                     actor.insert(state.collider.clone());
                 }
@@ -498,6 +524,9 @@ fn spawn_entities(
                 actor.insert(actor::Player);
                 actor.insert(actor::PlayerCamera);
             }
+            if state.is_targeted_on_startup {
+                actor.insert(hud::IsTargeted);
+            }
             if state.is_player || state.is_vehicle {
                 // used to apply mouse movement to actor rotation
                 actor.insert(ExternalTorque::ZERO.with_persistence(false));
@@ -586,3 +615,20 @@ fn spawn_entities(
         }
     }
 }
+
+
+pub fn hide_colliders(
+    //mut commands: Commands,
+    mut q_mesh: Query<(&mut Visibility, &Name), With<Handle<Mesh>>>,
+    //q_flag: Query<Entity, With<NeedsSceneColliderRemoved>>,
+) {
+    for (mut visibility, name) in &mut q_mesh {
+        if name.as_str() == "Collider" {
+            *visibility = Visibility::Hidden;
+        }
+    }
+    // TODO: not quite done here yet...
+//    for entity in &q_flag {
+//        commands.entity(entity).remove::<NeedsSceneColliderRemoved>();
+//    }
+}

src/data/keybindings.in

@@ -0,0 +1,20 @@
+X: Teleport to target [CHEAT]
+C: Impossibly instant stopping [CHEAT]
+Shift+V/B: Same as V/B, but a thousand times faster [CHEAT]
+V/B: Impossible acceleration forward/backward [CHEAT]
+G: Toggle god mode / cheats [CHEAT]
+M: Toggle sound effects
+T: Toggle music
+Y: Toggle rotation stabilizer
+F: Toggle 3rd person view
+F11: Toggle fullscreen
+Tab: Toggle HUD + Augmented Reality
+Right click: Zoom [AUGMENTED REALITY ONLY]
+Left click: Target objects [AUGMENTED REALITY ONLY]
+JKULIO: Mouseless camera rotation
+F7: Restart game
+Q: Exit vehicle
+E: Interact: Talk to people, enter vehicles
+R: Rotate (hold & move mouse)
+AWSD/Shift/Ctrl: Accelerate
+Space: Slow down (or match velocity)

src/defs.txt

@@ -14,10 +14,11 @@ actor 0 593051 0 suit
     player yes
     id player
     scale 2
+    density 200
+    collider handcrafted
     oxygen 0.008
     health 0.3
     angularmomentum 0 0 0
-    collider capsule 1 0.5
     thrust 1.2 1 1 400 1.5
     rotationy 0.65
     engine monopropellant
@@ -27,11 +28,11 @@ actor 10 -30 20 MeteorAceGT
     relativeto player
     scale 5
     vehicle yes
-    thrust 24.5 4.8 3.3 500000 3
+    collider mesh
+    thrust 24.5 4.8 3.3 100000 3
     engine ion
-    collider sphere 1
     camdistance 50
-    density 200
+    density 500
     angularmomentum 0.1 0.1 0.3
 
 actor 0 0 0 io
@@ -88,9 +89,25 @@ actor 0 0 0 moonlet
 
 actor 3000 0 0 moonlet
     name Moonlet
+    collider mesh
     relativeto player
+    density 10000000000
     scale 500
-    angularmomentum 0 0.15 0
+    angularmomentum 0 0.015 0
+
+actor 220 -2400 410 asteroid_lum
+    relativeto player
+    name Lum
+    id Lum
+    collider mesh
+    density 10000000000
+    scale 300
+    angularmomentum 0 0.015 0
+    actor -80 0 0 lightorb
+        relativeto Lum
+        name "Light Orb"
+        scale 0.3
+        light FF8F4A 500000
 
 actor -200 -110 1000 satellite
     name "Communications Satellite"
@@ -139,6 +156,7 @@ actor -3300 10 0 pizzeria
     relativeto player
     id pizzeria
     scale 40
+    collider mesh
     rotationy 0.30
     angularmomentum 0 0 0
     actor -120 0 20 MeteorAceGT
@@ -146,11 +164,11 @@ actor -3300 10 0 pizzeria
         relativeto pizzeria
         scale 5
         vehicle yes
-        thrust 24.5 4.8 3.3 500000 3
+        collider mesh
+        thrust 24.5 4.8 3.3 100000 3
         engine ion
-        collider sphere 1
         camdistance 50
-        density 200
+        density 500
         angularmomentum 0 0 0.2
     actor -100 63 -13 pizzasign
         name "Pizzeria Sign"
@@ -159,12 +177,12 @@ actor -3300 10 0 pizzeria
         density 200
         rotationy 0.45
         angularmomentum 0 0 0
-    actor -16 -10 0 lightorb
+    actor -36 -10 0 lightorb
         name "Light Orb"
         relativeto pizzeria
         scale 0.5
         light FF8F4A 1000000
-    actor -14 -3 -2 lightorb
+    actor -34 -3 -2 lightorb
         name "Light Orb"
         relativeto pizzeria
         scale 0.5
@@ -188,7 +206,7 @@ actor -3300 10 0 pizzeria
         armodel suit_ar_chefhat
         alive yes
         scale 2
-        collider capsule 1 0.5
+        collider handcrafted
         thrust 1.2 1 1 10 1.5
         wants maxrotation 0
         wants maxvelocity 0
@@ -203,7 +221,7 @@ actor 60 -15 -40 suit
     chatid Icarus
     alive yes
     scale 2
-    collider capsule 1 0.5
+    collider handcrafted
     angularmomentum 0.4 0.2 0.1
     rotationy 0.6
     rotationx 1
@@ -219,7 +237,7 @@ actor -300 0 40 suit
     chatid Drifter
     oxygen 0.08
     scale 2
-    collider capsule 1 0.5
+    collider handcrafted
 
 actor 100 -18000 2000 "orb_busstop"
     relativeto player
@@ -337,3 +355,15 @@ actor 27643e3 -44e3 -124434e3 "orb_busstop"
         name "Light Orb"
         relativeto busstopclippy3
         light "47FF00" 1000000
+
+actor 110 -2000 0 whale
+    relativeto busstop3
+    name "The Whale"
+    vehicle yes
+    collider mesh
+    density 100000
+    camdistance 4000
+    scale 300
+    angularmomentum 0 0.015 0
+    thrust 2.45 0.48 0.33 1000000000000000 3
+    engine ion

src/hud.rs

@@ -9,9 +9,9 @@ use std::time::SystemTime;
 
 pub const HUD_REFRESH_TIME: f32 = 0.1;
 pub const FONT: &str = "fonts/Yupiter-Regular.ttf";
-pub const LOG_MAX: usize = 16;
 pub const LOG_MAX_TIME_S: f64 = 30.0;
 pub const LOG_MAX_ROWS: usize = 30;
+pub const LOG_MAX: usize = LOG_MAX_ROWS;
 pub const MAX_CHOICES: usize = 10;
 pub const AMBIENT_LIGHT: f32 = 0.0; // Space is DARK
 pub const AMBIENT_LIGHT_AR: f32 = 15.0;
@@ -74,6 +74,7 @@ pub struct AugmentedRealityOverlay {
 struct FPSUpdateTimer(Timer);
 
 pub enum LogLevel {
+    Always,
     Warning,
     //Error,
     Info,
@@ -234,6 +235,9 @@ fn setup(
     ));
 
     // Add Console
+    // This one is intentionally NOT a ToggleableHudElement. Instead, console entries
+    // are filtered based on whether the hud is active or not.  LogLevel::Always is
+    // even shown when hud is inactive.
     let bundle_chatbox = TextBundle::from_sections((0..LOG_MAX_ROWS).map(|_|
             TextSection::new("", style_console.clone()))
     ).with_style(Style {
@@ -243,7 +247,6 @@ fn setup(
         ..default()
     }).with_text_justify(JustifyText::Right);
     commands.spawn((
-        ToggleableHudElement,
         NodeBundle {
             style: Style {
                 width: Val::Percent(50.0),
@@ -253,7 +256,6 @@ fn setup(
                 right: Val::VMin(3.0),
                 ..default()
             },
-            visibility,
             ..default()
         },
     )).with_children(|parent| {
@@ -420,6 +422,8 @@ fn update_hud(
 
                 // Target display
                 let dist_scalar: f64;
+                let mut target_multiple = false;
+                let mut target_error = false;
                 if let Ok((IsClickable { distance: Some(dist), .. }, _, _)) = q_target.get_single() {
                     dist_scalar = *dist;
                 }
@@ -431,7 +435,12 @@ fn update_hud(
                     else if q_target.is_empty() {
                         target = Some(DVec3::new(0.0, 0.0, 0.0));
                     }
+                    else if q_target.iter().len() > 1 {
+                        target_multiple = true;
+                        target = None;
+                    }
                     else {
+                        target_error = true;
                         target = None;
                     }
                     if let Some(target_pos) = target {
@@ -456,7 +465,13 @@ fn update_hud(
                 let speed_readable = nature::readable_distance(speed);
                 text.sections[14].value = format!("\n{speed_readable}/s\n{gforce:.1}g{dev_speed}");
 
-                if let Ok((clickable, _, target_v_maybe)) = q_target.get_single() {
+                if target_multiple {
+                    text.sections[15].value = "\n\nERROR: MULTIPLE TARGETS".to_string();
+                }
+                else if target_error {
+                    text.sections[15].value = "\n\nERROR: FAILED TO AQUIRE TARGET".to_string();
+                }
+                else if let Ok((clickable, _, target_v_maybe)) = q_target.get_single() {
                     let distance = if dist_scalar.is_nan() {
                         "UNKNOWN".to_string()
                     } else if dist_scalar != 0.0 {
@@ -503,7 +518,16 @@ fn update_hud(
         let mut row = 0;
 
         // Chat Log and System Log
+        let logfilter = if settings.hud_active {
+            |_msg: &&Message| { true }
+        } else {
+            |msg: &&Message| { match msg.level {
+                LogLevel::Always => true,
+                _ => false
+            }}
+        };
         let messages: Vec<&Message> = log.logs.iter()
+            .filter(logfilter)
             .rev()
             .take(LOG_MAX_ROWS)
             .collect();
@@ -511,14 +535,14 @@ fn update_hud(
         for msg in &messages {
             chat.sections[row].value = msg.format();
             let freshness = msg.get_freshness();
-            let clr: f32 = (freshness.powf(1.5) as f32).clamp(0.1, 1.0);
+            let opacity: f32 = (freshness.powf(1.5) as f32).clamp(0.0, 1.0);
             freshest_line = freshest_line.max(freshness);
             chat.sections[row].style.color = match msg.level {
                 LogLevel::Warning => settings.hud_color_console_warn,
                 LogLevel::Info => settings.hud_color_console_system,
                 _ => settings.hud_color_console,
             };
-            chat.sections[row].style.color.set_a(clr);
+            chat.sections[row].style.color.set_a(opacity);
             row += 1;
         }
 
@@ -591,6 +615,7 @@ fn handle_input(
     keyboard_input: Res<ButtonInput<KeyCode>>,
     mouse_input: Res<ButtonInput<MouseButton>>,
     mut settings: ResMut<var::Settings>,
+    mut log: ResMut<Log>,
     mut q_hud: Query<(&mut Visibility, Option<&OnlyHideWhenTogglingHud>), With<ToggleableHudElement>>,
     mut ew_sfx: EventWriter<audio::PlaySfxEvent>,
     mut ew_togglemusic: EventWriter<audio::ToggleMusicEvent>,
@@ -599,6 +624,11 @@ fn handle_input(
     q_objects: Query<(Entity, &Transform), (With<IsClickable>, Without<IsTargeted>, Without<actor::PlayerDrivesThis>, Without<actor::Player>)>,
     q_camera: Query<&Transform, With<Camera>>,
 ) {
+    if keyboard_input.just_pressed(settings.key_help) {
+        for line in include_str!("data/keybindings.in").trim().split("\n") {
+            log.add(line.to_string(), "".to_string(), LogLevel::Always);
+        }
+    }
     if keyboard_input.just_pressed(settings.key_togglehud) {
         if settings.hud_active {
             for (mut hudelement_visibility, _) in q_hud.iter_mut() {

src/main.rs

@@ -5,6 +5,7 @@ mod chat;
 mod commands;
 mod effects;
 mod hud;
+mod shading;
 mod var;
 mod world;
 
@@ -15,6 +16,7 @@ use bevy::window::{Window, WindowMode, PrimaryWindow, CursorGrabMode};
 use bevy::diagnostic::FrameTimeDiagnosticsPlugin;
 use bevy::prelude::*;
 use bevy_embedded_assets::{EmbeddedAssetPlugin, PluginMode};
+use bevy::pbr::ExtendedMaterial;
 use std::env;
 
 fn main() {
@@ -46,6 +48,7 @@ impl Plugin for OutFlyPlugin {
     fn build(&self, app: &mut App) {
         app.add_systems(Startup, setup);
         app.add_systems(Update, handle_input);
+        app.add_systems(Update, debug);
         app.insert_resource(var::Settings::default());
         app.insert_resource(var::GameVars::default());
         app.add_plugins((
@@ -59,6 +62,7 @@ impl Plugin for OutFlyPlugin {
             commands::CommandsPlugin,
             effects::EffectsPlugin,
             hud::HudPlugin,
+            shading::ShadingPlugin,
             world::WorldPlugin,
         ));
     }
@@ -94,3 +98,21 @@ fn handle_input(
         }
     }
 }
+
+fn debug(
+    settings: Res<var::Settings>,
+    keyboard_input: Res<ButtonInput<KeyCode>>,
+    mut commands: Commands,
+    mut extended_materials: ResMut<Assets<ExtendedMaterial<StandardMaterial, shading::AsteroidSurface>>>,
+    materials: Query<(Entity, Option<&Name>, &Handle<Mesh>)>,
+) {
+    if settings.dev_mode && keyboard_input.pressed(KeyCode::KeyP) {
+        for (entity, _name, mesh) in &materials {
+            dbg!(mesh);
+            let mut entity = commands.entity(entity);
+            entity.remove::<Handle<StandardMaterial>>();
+            let material = extended_materials.add(shading::AsteroidSurface::material());
+            entity.insert(material);
+        }
+    }
+}

src/shading.rs

@@ -0,0 +1,77 @@
+use bevy::prelude::*;
+use bevy::render::render_resource::{AsBindGroup, ShaderRef};
+use bevy::pbr::{ExtendedMaterial, MaterialExtension, OpaqueRendererMethod};
+
+pub struct ShadingPlugin;
+impl Plugin for ShadingPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_plugins(MaterialPlugin::<JupitersRing>::default());
+        app.add_plugins(MaterialPlugin::<SkyBox>::default());
+        app.add_plugins(MaterialPlugin::<ExtendedMaterial<StandardMaterial, AsteroidSurface, >>::default());
+    }
+}
+
+// Jupiter's Ring
+#[derive(Asset, TypePath, AsBindGroup, Debug, Clone)]
+pub struct JupitersRing {
+    pub alpha_mode: AlphaMode,
+    #[uniform(0)]
+    pub ring_radius: f32,
+    #[uniform(1)]
+    pub jupiter_radius: f32,
+}
+
+impl Material for JupitersRing {
+    fn fragment_shader() -> ShaderRef {
+        "shaders/jupiters_rings.wgsl".into()
+    }
+    fn alpha_mode(&self) -> AlphaMode {
+        self.alpha_mode
+    }
+}
+
+// Sky Box
+#[derive(Asset, TypePath, AsBindGroup, Debug, Clone)]
+pub struct SkyBox {}
+impl Material for SkyBox {
+    fn fragment_shader() -> ShaderRef {
+        "shaders/skybox.wgsl".into()
+    }
+}
+
+// Asteroid Surface
+#[derive(Asset, Reflect, AsBindGroup, Debug, Clone)]
+pub struct AsteroidSurface {
+    #[uniform(100)]
+    quantize_steps: u32
+}
+
+impl MaterialExtension for AsteroidSurface {
+    fn fragment_shader() -> ShaderRef {
+        "shaders/material_asteroid.wgsl".into()
+    }
+    fn deferred_fragment_shader() -> ShaderRef {
+        "shaders/material_asteroid.wgsl".into()
+    }
+}
+
+impl AsteroidSurface {
+    pub fn material() -> ExtendedMaterial<StandardMaterial, AsteroidSurface> {
+        ExtendedMaterial {
+            base: StandardMaterial {
+                base_color: Color::rgb(0.29, 0.255, 0.208),
+                perceptual_roughness: 1.0,
+                opaque_render_method: OpaqueRendererMethod::Auto,
+                ..default()
+            },
+            extension: Self::default(),
+        }
+    }
+}
+impl Default for AsteroidSurface {
+    fn default() -> Self {
+        Self {
+            quantize_steps: 3,
+        }
+    }
+}

src/var.rs

@@ -49,6 +49,7 @@ pub struct Settings {
     pub key_exit: KeyCode,
     pub key_restart: KeyCode,
     pub key_fullscreen: KeyCode,
+    pub key_help: KeyCode,
     pub key_forward: KeyCode,
     pub key_back: KeyCode,
     pub key_left: KeyCode,
@@ -126,11 +127,11 @@ impl Default for Settings {
             font_size_conversations: 32.0,
             font_size_choices: 28.0,
             font_size_console: 20.0,
-            hud_color: Color::rgb(0.2, 0.5, 0.2),
+            hud_color: Color::rgb(0.1, 0.5, 0.1),
-            hud_color_console: Color::rgb(0.2, 0.5, 0.2),
+            hud_color_console: Color::rgb(0.1, 0.5, 0.1),
             hud_color_console_warn: Color::rgb(1.0, 0.3, 0.3),
             hud_color_console_system: Color::rgb(0.5, 0.5, 0.5),
-            hud_color_alert: Color::rgb(0.7, 0.3, 0.3),
+            hud_color_alert: Color::rgb(0.6, 0.094, 0.322),
             hud_color_subtitles: Color::rgb(0.8, 0.8, 0.8),
             hud_color_choices: Color::rgb(0.45, 0.45, 0.45),
             chat_speed: DEFAULT_CHAT_SPEED * if dev_mode { 2.5 } else { 1.0 },
@@ -144,6 +145,7 @@ impl Default for Settings {
             key_exit: KeyCode::Escape,
             key_restart: KeyCode::F7,
             key_fullscreen: KeyCode::F11,
+            key_help: KeyCode::F1,
             key_forward: KeyCode::KeyW,
             key_back: KeyCode::KeyS,
             key_left: KeyCode::KeyA,

src/world.rs

@@ -1,10 +1,10 @@
-use crate::{actor, audio, hud, nature, var};
+use crate::{actor, audio, hud, nature, shading, var};
 use bevy::prelude::*;
-use bevy::render::render_resource::{AsBindGroup, ShaderRef};
 use bevy::math::{DVec3, I64Vec3};
 use bevy::scene::{InstanceId, SceneInstance};
+use bevy::render::mesh::Indices;
 use bevy_xpbd_3d::prelude::*;
-use bevy_xpbd_3d::plugins::sync::SyncConfig;
+use bevy_xpbd_3d::plugins::sync;
 use std::collections::HashMap;
 use std::f32::consts::PI;
 use fastrand;
@@ -23,10 +23,11 @@ const ASSET_ASTEROID1: &str = "models/asteroid.glb#Scene0";
 const ASSET_ASTEROID2: &str = "models/asteroid2.glb#Scene0";
 pub fn asset_name_to_path(name: &str) -> &'static str {
     match name {
-        "suit" => "models/suit.glb#Scene0",
+        "suit" => "models/suit_with_collider.glb#Scene0",
         "suit_ar_chefhat" => "models/suit_ar_chefhat.glb#Scene0",
         "asteroid1" => ASSET_ASTEROID1,
         "asteroid2" => ASSET_ASTEROID2,
+        "asteroid_lum" => "models/asteroid_lum.glb#Scene0",
         "moonlet" => "models/moonlet.glb#Scene0",
         "monolith" => "models/monolith_neon.glb#Scene0",
         "lightorb" => "models/lightorb.glb#Scene0",
@@ -39,6 +40,7 @@ pub fn asset_name_to_path(name: &str) -> &'static str {
         "selectagon" => "models/selectagon.glb#Scene0",
         "clippy" => "models/clippy.glb#Scene0",
         "clippy_ar" => "models/clippy_ar.glb#Scene0",
+        "whale" => "models/whale.glb#Scene0",
         _ => "models/error.glb#Scene0",
     }
 }
@@ -51,7 +53,6 @@ impl Plugin for WorldPlugin {
         app.add_systems(PostUpdate, handle_despawn);
         app.add_systems(Update, spawn_despawn_asteroids);
         app.add_plugins(PhysicsPlugins::default());
-        app.add_plugins(MaterialPlugin::<RingMaterial>::default());
         //app.add_plugins(PhysicsDebugPlugin::default());
         app.insert_resource(Gravity(DVec3::splat(0.0)));
         app.insert_resource(AsteroidUpdateTimer(
@@ -62,12 +63,14 @@ impl Plugin for WorldPlugin {
 
         if CENTER_WORLD_ON_PLAYER {
             // Disable bevy_xpbd's position->transform sync function
-            app.insert_resource(SyncConfig {
+            app.insert_resource(sync::SyncConfig {
-                position_to_transform: false,
+                position_to_transform: true,
                 transform_to_position: false,
             });
             // Add own position->transform sync function
-            app.add_systems(PreUpdate, position_to_transform);
+            app.add_systems(PostUpdate, position_to_transform
+                .after(sync::position_to_transform)
+                .in_set(sync::SyncSet::PositionToTransform));
         }
     }
 }
@@ -93,24 +96,6 @@ pub struct DespawnEvent {
     origin: I64Vec3,
 }
 
-#[derive(Asset, TypePath, AsBindGroup, Debug, Clone)]
-pub struct RingMaterial {
-    alpha_mode: AlphaMode,
-    #[uniform(0)]
-    ring_radius: f32,
-    #[uniform(1)]
-    jupiter_radius: f32,
-}
-
-impl Material for RingMaterial {
-    fn fragment_shader() -> ShaderRef {
-        "shaders/jupiters_rings.wgsl".into()
-    }
-    fn alpha_mode(&self) -> AlphaMode {
-        self.alpha_mode
-    }
-}
-
 #[derive(Component)]
 pub struct Star;
 
@@ -118,7 +103,8 @@ pub fn setup(
     mut commands: Commands,
     mut meshes: ResMut<Assets<Mesh>>,
     mut materials: ResMut<Assets<StandardMaterial>>,
-    mut materials_custom: ResMut<Assets<RingMaterial>>,
+    mut materials_jupiter: ResMut<Assets<shading::JupitersRing>>,
+    mut materials_skybox: ResMut<Assets<shading::SkyBox>>,
     asset_server: Res<AssetServer>,
 ) {
     // Load assets
@@ -195,13 +181,34 @@ pub fn setup(
     }
     info!("Generated {starcount} stars");
 
+    // Add shaded skybox
+    //let mut mesh = Mesh::from(Sphere::new(1e9).mesh().uv(50, 50));
+    let mut mesh = Mesh::from(Sphere::new(1e10).mesh().uv(5, 5));
+    //let mut mesh = Mesh::from(Cuboid::from_size(Vec3::splat(2e10)));
+    if let Some(Indices::U32(indices)) = mesh.indices_mut() {
+        // Reverse the order of each triangle to avoid backface culling
+        for slice in indices.chunks_mut(3) {
+            slice.reverse();
+        }
+    }
+    commands.spawn((
+        MaterialMeshBundle {
+            mesh: meshes.add(mesh),
+            material: materials_skybox.add(shading::SkyBox {}),
+            transform: Transform::from_translation(Vec3::new(0.0, 0.0, 0.0)),
+            ..default()
+        },
+        Position::from_xyz(0.0, 0.0, 0.0),
+        Rotation::from(Quat::IDENTITY),
+    ));
+
     // Add shaded ring
     let ring_radius = 229_000_000.0;
     let jupiter_radius = 71_492_000.0;
     commands.spawn((
         MaterialMeshBundle {
             mesh: meshes.add(Mesh::from(Cylinder::new(ring_radius, 1.0))),
-            material: materials_custom.add(RingMaterial {
+            material: materials_jupiter.add(shading::JupitersRing {
                 alpha_mode: AlphaMode::Blend,
                 ring_radius: ring_radius,
                 jupiter_radius: jupiter_radius,
@@ -466,51 +473,15 @@ fn handle_cheats(
     }
 }
 
-// A variant of bevy_xpbd_3d::plugins::position_to_transform that adjusts
+// An extension of bevy_xpbd_3d::plugins::position_to_transform that adjusts
 // the rendering position to center entities at the player camera.
 // This avoids rendering glitches when very far away from the origin.
 pub fn position_to_transform(
     q_player: Query<&Position, With<actor::PlayerCamera>>,
-    mut q_trans: Query<(&'static mut Transform, &'static Position, &'static Rotation, Option<&'static Parent>)>,
+    mut q_trans: Query<(&'static mut Transform, &'static Position, &'static Rotation), Without<Parent>>,
-    parents: Query<(&'static GlobalTransform, Option<&'static Position>, Option<&'static Rotation>), With<Children>>,
 ) {
     if let Ok(player_pos) = q_player.get_single() {
-        for (mut transform, pos, rot, parent) in &mut q_trans {
+        for (mut transform, pos, rot) in &mut q_trans {
-            if let Some(parent) = parent {
-                if let Ok((parent_transform, parent_pos, parent_rot)) = parents.get(**parent) {
-                    // Compute the global transform of the parent using its Position and Rotation
-                    let parent_transform = parent_transform.compute_transform();
-                    let parent_pos = parent_pos.map_or(parent_transform.translation, |pos| {
-                        pos.as_vec3()
-                            // NOTE: I commented out this because it turns a vec3 to a vec4,
-                            // and I don't understand why bevy_xpbd would do that.
-                            //.extend(parent_transform.translation.z)
-                    });
-                    let parent_rot = parent_rot.map_or(parent_transform.rotation, |rot| {
-                        rot.as_quat()
-                    });
-                    let parent_scale = parent_transform.scale;
-                    let parent_transform = Transform::from_translation(parent_pos)
-                        .with_rotation(parent_rot)
-                        .with_scale(parent_scale);
-
-                    // The new local transform of the child body,
-                    // computed from the its global transform and its parents global transform
-                    let new_transform = GlobalTransform::from(
-                        Transform::from_translation(
-                            pos.as_vec3()
-                                // NOTE: I commented out this because it turns a vec3 to a vec4,
-                                // and I don't understand why bevy_xpbd would do that.
-                                //.extend(parent_pos.z + transform.translation.z * parent_scale.z),
-                        )
-                        .with_rotation(rot.as_quat()),
-                    )
-                    .reparented_to(&GlobalTransform::from(parent_transform));
-
-                    transform.translation = new_transform.translation;
-                    transform.rotation = new_transform.rotation;
-                }
-            } else {
             transform.translation = Vec3::new(
                 (pos.x - player_pos.x) as f32,
                 (pos.y - player_pos.y) as f32,
@@ -519,5 +490,4 @@ pub fn position_to_transform(
             transform.rotation = rot.as_quat();
         }
     }
-    }
 }