use gamestates and assetloader

src/loading_assets.rs

@@ -0,0 +1,51 @@
+use crate::GameState;
+use bevy::prelude::*;
+use bevy_asset_loader::prelude::*;
+
+#[derive(AssetCollection, Resource)]
+pub struct AudioAssets {
+    #[asset(path = "sfx/music/02.ogg")]
+    pub music: Handle<AudioSource>,
+    #[asset(path = "sfx/ambient/downtown.ogg")]
+    pub ambient: Handle<AudioSource>,
+    #[asset(path = "sfx/effects/key_collect.ogg")]
+    pub key_collect: Handle<AudioSource>,
+    #[asset(path = "sfx/abilities/gun.ogg")]
+    pub gun: Handle<AudioSource>,
+    #[asset(path = "sfx/effects/gate.ogg")]
+    pub gate: Handle<AudioSource>,
+    #[asset(path = "sfx/effects/cash.ogg")]
+    pub cash: Handle<AudioSource>,
+    #[asset(path = "sfx/hit", collection(typed))]
+    pub hit: Vec<Handle<AudioSource>>,
+}
+
+#[derive(AssetCollection, Resource)]
+pub struct UIAssets {
+    #[asset(path = "font.ttf")]
+    pub font: Handle<Font>,
+
+    #[asset(path = "ui/head_bg.png")]
+    pub head_bg: Handle<Image>,
+    #[asset(path = "ui/head_regular.png")]
+    pub head_regular: Handle<Image>,
+    #[asset(path = "ui/head_damage.png")]
+    pub head_damage: Handle<Image>,
+    #[asset(path = "ui/selector.png")]
+    pub head_selector: Handle<Image>,
+
+    #[asset(path = "ui/camera.png")]
+    pub camera: Handle<Image>,
+}
+
+pub struct LoadingPlugin;
+impl Plugin for LoadingPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_loading_state(
+            LoadingState::new(GameState::AssetLoading)
+                .continue_to_state(GameState::MapLoading)
+                .load_collection::<AudioAssets>()
+                .load_collection::<UIAssets>(),
+        );
+    }
+}