WIP

Cargo.toml

@@ -4,15 +4,15 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-itertools = "0.10.5"
+itertools = "0.11.0"
 rand = "0.8.5"
-bevy_editor_pls = "0.3.0"
+bevy_editor_pls = { git = "https://github.com/jakobhellermann/bevy_editor_pls" } 
-bevy_tweening = "0.7.0"
+bevy_tweening = "0.8.0"
-leafwing-input-manager = "0.9.0"
+leafwing-input-manager = "0.10.0"
-bevy_asset_loader = "0.15.0"
+bevy_asset_loader = "0.17.0"
 
 [dependencies.bevy]
-version = "0.10"
+version = "0.11"
 features = ["wayland", "wav"]
 
 # [profile.dev.package."*"]

src/canvas.rs

@@ -3,7 +3,7 @@ mod tile_light;
 use crate::grid;
 use bevy::{
     prelude::*,
-    reflect::TypeUuid,
+    reflect::{TypeUuid, TypePath},
     render::{
         render_resource::{encase, AsBindGroup, OwnedBindingResource, ShaderRef, ShaderType},
         renderer::RenderQueue,
@@ -19,18 +19,18 @@ pub struct CanvasPlugin;
 
 impl Plugin for CanvasPlugin {
     fn build(&self, app: &mut App) {
-        app.add_plugin(Material2dPlugin::<CanvasMaterial>::default())
+        app.add_plugins(Material2dPlugin::<CanvasMaterial>::default())
-            .add_startup_system(spawn_canvas);
+            .add_systems(Startup, spawn_canvas);
 
         app.sub_app_mut(RenderApp)
-            .add_system(extract_tile_lights.in_schedule(ExtractSchedule))
+            .add_systems(ExtractSchedule, extract_tile_lights)
-            .add_system(prepare_canvas_material.in_set(RenderSet::Prepare));
+            .add_systems(Update, prepare_canvas_material.in_set(RenderSet::Prepare));
     }
 }
 
 const CANVAS_COLOR: Color = Color::rgb(0.05, 0.05, 0.05);
 
-#[derive(AsBindGroup, TypeUuid, Clone)]
+#[derive(AsBindGroup, TypeUuid, TypePath, Clone)]
 #[uuid = "24f83f6e-e52d-41a6-bf1d-0e46e57a4995"]
 struct CanvasMaterial {
     #[uniform(0)]

src/fruit.rs

@@ -12,13 +12,19 @@ pub struct FruitPlugin;
 impl Plugin for FruitPlugin {
     fn build(&self, app: &mut App) {
         app.add_event::<EatenEvent>()
-            .add_startup_system(spawn_fruit_system)
+            .add_systems(Startup, spawn_fruit_system)
-            .add_system(eat_fruit_system.in_schedule(CoreSchedule::FixedUpdate))
+            .add_systems(FixedUpdate, eat_fruit_system)
-            .add_system(despawn_fruit_system)
+            .add_systems(
-            .add_system(spawn_fruit_system.run_if(eaten_event_sent));
+                Update,
+                (
+                    despawn_fruit_system,
+                    spawn_fruit_system.run_if(eaten_event_sent),
+                ),
+            );
     }
 }
 
+#[derive(Event)]
 pub struct EatenEvent(Option<Entity>);
 
 #[derive(Component)]

src/main.rs

@@ -2,6 +2,7 @@ use crate::{
     canvas::CanvasPlugin,
     fruit::FruitPlugin,
     grid::{SEGMENT_SIZE, SIZE},
+    level::{LevelPlugin, LevelState},
     snake::SnakePlugin,
     ui::UiPlugin,
 };
@@ -17,6 +18,7 @@ mod audio;
 mod canvas;
 mod fruit;
 mod grid;
+mod level;
 mod snake;
 mod ui;
 
@@ -25,23 +27,70 @@ const WINDOW_WIDTH: f32 = WINDOW_HEIGHT * ASPECT_RATIO;
 const WINDOW_HEIGHT: f32 = 720.;
 const TICK_PERIOD: Duration = Duration::from_millis(125);
 
-#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, Default, States)]
+#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
-enum GameState {
+enum AppState {
-    #[default]
+    MainMenu,
-    Begin,
+    InGame(LevelState),
-    InGame,
+}
-    End,
+
+#[derive(Default)]
+struct AppStateIter {
+    current: Option<AppState>,
+}
+
+impl Iterator for AppStateIter {
+    type Item = AppState;
+
+    fn next(&mut self) -> Option<Self::Item> {
+        let next_state = match self.current {
+            None => Some(AppState::MainMenu),
+            Some(AppState::MainMenu) => Some(AppState::InGame(LevelState::Begin)),
+            Some(AppState::InGame(level_state)) => match level_state {
+                LevelState::Begin => Some(AppState::InGame(LevelState::InGame)),
+                LevelState::InGame => Some(AppState::InGame(LevelState::End)),
+                LevelState::End => None,
+            },
+        };
+
+        if let Some(next_state) = next_state {
+            self.current = Some(next_state);
+        }
+
+        next_state
+    }
+}
+
+impl Default for AppState {
+    fn default() -> Self {
+        if cfg!(debug_assertions) {
+            Self::InGame(LevelState::Begin)
+        } else {
+            Self::MainMenu
+        }
+    }
+}
+
+impl States for AppState {
+    type Iter = AppStateIter;
+
+    fn variants() -> Self::Iter {
+        AppStateIter::default()
+    }
 }
 
 #[derive(Resource)]
 struct Score(u32);
 
+#[derive(Resource)]
+struct Level(u32);
+
 fn main() {
     let mut app = App::new();
 
     app.insert_resource(ClearColor(Color::BLACK))
         .insert_resource(FixedTime::new(TICK_PERIOD))
         .insert_resource(Score(0))
+        .insert_resource(Level(0))
         .add_plugins(DefaultPlugins.set(WindowPlugin {
             primary_window: Some(Window {
                 title: "Bevy-Snake".into(),
@@ -52,26 +101,28 @@ fn main() {
             ..Default::default()
         }))
         .init_collection::<audio::Assets>()
-        .add_state::<GameState>()
+        .add_state::<AppState>()
-        .add_plugin(TweeningPlugin)
+        .add_plugins((
-        .add_plugin(SnakePlugin)
+            TweeningPlugin,
-        .add_plugin(FruitPlugin)
+            SnakePlugin,
-        .add_plugin(CanvasPlugin)
+            FruitPlugin,
-        .add_plugin(UiPlugin)
+            CanvasPlugin,
-        .add_startup_system(setup_system)
+            UiPlugin,
-        .add_system(update_score_system);
+            LevelPlugin,
+        ))
+        .add_systems(Startup, setup_camera_system)
+        .add_systems(Update, update_score_system);
 
     #[cfg(debug_assertions)]
     {
-        app.add_plugin(EditorPlugin)
+        app.add_plugins(EditorPlugin::new())
-            .add_system(bevy::window::close_on_esc)
+            .add_systems(Update, (bevy::window::close_on_esc, pause_system));
-            .add_system(pause_system);
     }
 
     app.run();
 }
 
-fn setup_system(mut commands: Commands) {
+fn setup_camera_system(mut commands: Commands) {
     let grid_dimensions = f32::from(SIZE) * SEGMENT_SIZE * 1.2;
 
     commands

src/snake.rs

@@ -3,7 +3,7 @@ mod bulge;
 mod direction;
 mod movement;
 
-use crate::{audio, fruit, grid, GameState};
+use crate::{audio, fruit, grid, level::LevelState, AppState};
 use bevy::prelude::*;
 use direction::Direction;
 use itertools::Itertools;
@@ -20,55 +20,71 @@ pub struct SnakePlugin;
 
 impl Plugin for SnakePlugin {
     fn build(&self, app: &mut App) {
-        app.configure_set(SystemSet::Movement.after(SystemSet::CollisionDetection));
+        app.configure_set(
+            Update,
+            SystemSet::Movement.after(SystemSet::CollisionDetection),
+        );
 
-        app.add_plugin(InputManagerPlugin::<direction::Direction>::default())
+        app.add_plugins(InputManagerPlugin::<direction::Direction>::default())
             .add_event::<AddTailEvent>()
             .insert_resource(bulge::PropagationTimer::default())
-            .add_startup_system(setup_snake_system)
             .add_systems(
+                OnEnter(AppState::InGame(LevelState::Begin)),
+                setup_snake_system,
+            )
+            .add_systems(
+                FixedUpdate,
                 (
                     segments_movement_system
                         .in_set(SystemSet::Movement)
-                        .run_if(in_state(GameState::InGame))
+                        .run_if(in_state(AppState::InGame(LevelState::InGame)))
                         .after(SystemSet::DirectionFlush),
                     direction::apply_direction_system
-                        .run_if(in_state(GameState::InGame))
+                        .run_if(in_state(AppState::InGame(LevelState::InGame)))
                         .before(SystemSet::DirectionFlush),
-                    apply_system_buffers
+                    apply_deferred
                         .in_set(SystemSet::DirectionFlush)
-                        .run_if(in_state(GameState::InGame)),
+                        .run_if(in_state(AppState::InGame(LevelState::InGame))),
                     collision_system
                         .in_set(SystemSet::CollisionDetection)
-                        .run_if(in_state(GameState::InGame))
+                        .run_if(in_state(AppState::InGame(LevelState::InGame)))
                         .after(SystemSet::DirectionFlush),
                     game_over_system
                         .in_set(SystemSet::CollisionDetection)
-                        .run_if(in_state(GameState::InGame))
+                        .run_if(in_state(AppState::InGame(LevelState::InGame)))
                         .after(collision_system)
                         .run_if(about_to_collide),
+                ),
             )
-                    .in_schedule(CoreSchedule::FixedUpdate),
+            .add_systems(
-            )
+                Update,
-            .add_systems((
+                (
-                grid_transform_system.run_if(in_state(GameState::InGame)),
+                    grid_transform_system.run_if(in_state(AppState::InGame(LevelState::InGame))),
-                direction::start_game_system.run_if(in_state(GameState::Begin)),
+                    direction::start_game_system
-                direction::change_direction_system,
+                        .run_if(in_state(AppState::InGame(LevelState::Begin))),
+                    direction::change_direction_system.run_if(
+                        in_state(AppState::InGame(LevelState::Begin))
+                            .or_else(in_state(AppState::InGame(LevelState::InGame))),
+                    ),
                     bulge::add_bulge_system,
                     bulge::propagate_bulge_system,
                     bulge::animate_bulge_system,
                     add_tail_system,
                     eaten_event_system,
-            ))
+                ),
-            .add_systems((
+            )
+            .add_systems(
+                Update,
+                (
                     collision_sound_system
-                    .run_if(in_state(GameState::InGame))
+                        .run_if(in_state(AppState::InGame(LevelState::InGame)))
                         .run_if(about_to_collide),
                     blip_sound_system.run_if(fruit::eaten_event_sent),
-            ));
+                ),
+            );
 
         #[cfg(debug_assertions)]
-        app.add_system(debug::add_tail);
+        app.add_systems(Update, debug::add_tail);
     }
 }
 
@@ -91,8 +107,6 @@ struct SnakeBundle {
     snake: Snake,
     collision: Collision,
     segments: Segments,
-
-    #[bundle]
     spatial_bundle: SpatialBundle,
 }
 
@@ -101,6 +115,7 @@ struct Collision {
     about_to_collide: bool,
 }
 
+#[derive(Event)]
 pub struct AddTailEvent;
 
 fn create_snake_segment(
@@ -246,21 +261,27 @@ fn about_to_collide(query: Query<&Collision, With<Snake>>) -> bool {
     query.get_single().unwrap().about_to_collide
 }
 
-fn game_over_system(mut next_state: ResMut<NextState<GameState>>) {
+fn game_over_system(mut next_state: ResMut<NextState<AppState>>) {
-    next_state.set(GameState::End);
+    next_state.set(AppState::InGame(LevelState::End));
 }
 
-fn collision_sound_system(audio: Res<Audio>, audio_assets: Res<audio::Assets>) {
+fn collision_sound_system(mut commands: Commands, audio_assets: Res<audio::Assets>) {
-    audio.play(audio_assets.collision.clone());
+    commands.spawn(AudioBundle {
+        source: audio_assets.collision.clone(),
+        ..Default::default()
+    });
 }
 
 fn blip_sound_system(
-    audio: Res<Audio>,
+    mut commands: Commands,
     audio_assets: Res<audio::Assets>,
     mut eaten_event_reader: EventReader<fruit::EatenEvent>,
 ) {
     for _ in eaten_event_reader.iter() {
-        audio.play(audio_assets.blip.clone());
+        commands.spawn(AudioBundle {
+            source: audio_assets.blip.clone(),
+            ..Default::default()
+        });
     }
 }
 

src/snake/direction.rs

@@ -1,9 +1,9 @@
 use super::Snake;
-use crate::{audio, GameState};
+use crate::{audio, level::LevelState, AppState};
 use bevy::prelude::*;
 use leafwing_input_manager::prelude::*;
 
-#[derive(Actionlike, Component, Copy, Clone, Debug, PartialEq, Eq)]
+#[derive(Actionlike, Reflect, Component, Copy, Clone, Debug, PartialEq, Eq)]
 pub(super) enum Direction {
     Up,
     Down,
@@ -13,35 +13,34 @@ pub(super) enum Direction {
 
 #[derive(Component, Copy, Clone, Debug, PartialEq, Eq)]
 #[component(storage = "SparseSet")]
-pub(super) struct NewDirection(Direction);
+pub(super) struct NextDirection(Direction);
 
 pub(super) fn start_game_system(
     query: Query<&ActionState<Direction>>,
-    mut next_state: ResMut<NextState<GameState>>,
+    mut next_state: ResMut<NextState<AppState>>,
 ) {
     let action_state = query.single();
 
     if !action_state.get_just_pressed().is_empty() {
-        next_state.set(GameState::InGame);
+        next_state.set(AppState::InGame(LevelState::InGame));
     }
 }
 
 pub(super) fn apply_direction_system(
     mut commands: Commands,
-    mut query: Query<(Entity, &NewDirection), With<Snake>>,
+    mut query: Query<(Entity, &NextDirection), With<Snake>>,
 ) {
     for (snake, new_direction) in query.iter_mut() {
         commands
             .entity(snake)
             .insert(new_direction.0)
-            .remove::<NewDirection>();
+            .remove::<NextDirection>();
     }
 }
 
 pub(super) fn change_direction_system(
     mut commands: Commands,
     mut query: Query<(Entity, &ActionState<Direction>, Option<&Direction>), With<Snake>>,
-    audio: Res<Audio>,
     audio_assets: Res<audio::Assets>,
 ) {
     let (snake, action_state, direction) = query.single_mut();
@@ -62,7 +61,10 @@ pub(super) fn change_direction_system(
             }
         }
 
-        commands.entity(snake).insert(NewDirection(new_direction));
+        commands.entity(snake).insert(NextDirection(new_direction));
-        audio.play(audio_assets.tick.clone());
+        commands.spawn(AudioBundle {
+            source: audio_assets.tick.clone(),
+            ..Default::default()
+        });
     }
 }

src/ui.rs

@@ -1,14 +1,12 @@
 use bevy::prelude::*;
 
-mod score;
+mod status;
 
 pub struct UiPlugin;
 
 impl Plugin for UiPlugin {
     fn build(&self, app: &mut App) {
-        app.add_systems((
+        app.add_systems(Startup, status::spawn_status_text)
-            score::spawn_score_text.on_startup(),
+            .add_systems(Update, status::update_status_text);
-            score::update_score_text,
-        ));
     }
 }

src/ui/score.rs

@@ -1,45 +0,0 @@
-use crate::Score;
-use bevy::prelude::*;
-
-#[derive(Component)]
-pub(super) struct ScoreText;
-
-pub(super) fn spawn_score_text(mut commands: Commands, asset_server: Res<AssetServer>) {
-    let font = asset_server.load("fonts/Audiowide-Regular.ttf");
-
-    commands.spawn((
-        ScoreText,
-        TextBundle::from_sections([
-            TextSection::new(
-                "Score: ",
-                TextStyle {
-                    font: font.clone(),
-                    font_size: 32.0,
-                    color: Color::WHITE,
-                },
-            ),
-            TextSection::from_style(TextStyle {
-                font: font,
-                font_size: 32.0,
-                color: Color::WHITE,
-            }),
-        ])
-        .with_style(Style {
-            position_type: PositionType::Absolute,
-            position: UiRect {
-                left: Val::Px(10.0),
-                bottom: Val::Px(10.0),
-                ..Default::default()
-            },
-            ..Default::default()
-        }),
-    ));
-}
-
-pub(super) fn update_score_text(mut query: Query<&mut Text, With<ScoreText>>, score: Res<Score>) {
-    let score = score.0;
-
-    for mut text in query.iter_mut() {
-        text.sections[1].value = format!("{score}");
-    }
-}