Implement loading screen

Cargo.toml

@@ -49,7 +49,7 @@ wasm = [
 [dependencies]
 bevy = { version = "^0.9.1", default-features = false }
 bevy_kira_audio = "0.13"
-bevy_asset_loader = { git = "https://github.com/NiklasEi/bevy_asset_loader.git", rev = "9a7966c9e7a44026a2192292390b315d28c88ca7" }
+bevy_asset_loader = { git = "https://github.com/NiklasEi/bevy_asset_loader.git", rev = "9a7966c9e7a44026a2192292390b315d28c88ca7", features = ["progress_tracking"] }
 bevy_common_assets = { version = "0.4.0", features = ["ron", "toml"] }
 bevy_egui = "0.19"
 serde = { version = "1", features = ["derive"] }
@@ -63,6 +63,7 @@ glob = "0.3.1"
 polyanya = "0.2.0"
 bevy_pathmesh = "0.3.0"
 bitflags = "1.3.2"
+iyes_progress = "0.7.1"
 
 # keep the following in sync with Bevy's dependencies
 winit = { version = "0.27", default-features = false }

src/dev.rs

@@ -1,5 +1,5 @@
 use crate::dev::scene_editor::SceneEditorPlugin;
-use bevy::diagnostic::LogDiagnosticsPlugin;
+use bevy::diagnostic::{FrameTimeDiagnosticsPlugin, LogDiagnosticsPlugin};
 use bevy::prelude::*;
 use bevy_editor_pls::prelude::*;
 use bevy_prototype_debug_lines::DebugLinesPlugin;
@@ -15,9 +15,10 @@ impl Plugin for DevPlugin {
     fn build(&self, app: &mut App) {
         {
             app.add_plugin(EditorPlugin)
+                .add_plugin(FrameTimeDiagnosticsPlugin::default())
                 .add_plugin(DebugLinesPlugin::default())
                 .add_plugin(SceneEditorPlugin)
-                .add_plugin(LogDiagnosticsPlugin::default())
+                .add_plugin(LogDiagnosticsPlugin::filtered(vec![]))
                 .add_plugin(RapierDebugRenderPlugin {
                     enabled: false,
                     ..default()

src/file_system_interaction/asset_loading.rs

@@ -8,7 +8,10 @@ use bevy::utils::HashMap;
 use bevy_asset_loader::prelude::*;
 use bevy_common_assets::ron::RonAssetPlugin;
 use bevy_common_assets::toml::TomlAssetPlugin;
+use bevy_egui::egui::ProgressBar;
+use bevy_egui::{egui, EguiContext};
 use bevy_kira_audio::AudioSource;
+use iyes_progress::{ProgressCounter, ProgressPlugin};
 
 pub struct LoadingPlugin;
 
@@ -17,6 +20,7 @@ impl Plugin for LoadingPlugin {
         app.add_plugin(RonAssetPlugin::<SerializedLevel>::new(&["lvl.ron"]))
             .add_plugin(RonAssetPlugin::<Dialog>::new(&["dlg.ron"]))
             .add_plugin(TomlAssetPlugin::<GameConfig>::new(&["game.toml"]))
+            .add_plugin(ProgressPlugin::new(GameState::Loading).continue_to(GameState::Menu))
             .add_loading_state(
                 LoadingState::new(GameState::Loading)
                     .with_collection::<FontAssets>()
@@ -26,9 +30,9 @@ impl Plugin for LoadingPlugin {
                     .with_collection::<LevelAssets>()
                     .with_collection::<DialogAssets>()
                     .with_collection::<TextureAssets>()
-                    .with_collection::<ConfigAssets>()
-                    .continue_to_state(GameState::Menu),
-            );
+                    .with_collection::<ConfigAssets>(),
+            )
+            .add_system_set(SystemSet::on_update(GameState::Loading).with_system(show_progress));
     }
 }
 
@@ -90,3 +94,25 @@ pub struct ConfigAssets {
     #[asset(path = "config/config.game.toml")]
     pub game: Handle<GameConfig>,
 }
+
+fn show_progress(
+    progress: Option<Res<ProgressCounter>>,
+    mut egui_context: ResMut<EguiContext>,
+    mut last_done: Local<u32>,
+) {
+    if let Some(progress) = progress.map(|counter| counter.progress()) {
+        if progress.done > *last_done {
+            *last_done = progress.done;
+        }
+
+        egui::CentralPanel::default().show(egui_context.ctx_mut(), |ui| {
+            ui.vertical_centered_justified(|ui| {
+                ui.add_space(100.0);
+                ui.heading("Loading...");
+                ui.add(
+                    ProgressBar::new(progress.done as f32 / progress.total as f32).animate(true),
+                );
+            });
+        });
+    }
+}

src/player_control/camera/third_person.rs

@@ -24,7 +24,7 @@ impl Default for ThirdPersonCamera {
         Self {
             up: Vec3::Y,
             transform: default(),
-            distance: 1.,
+            distance: 5.,
             target: default(),
             secondary_target: default(),
             config: default(),