Loading to Title transition

src/assets.rs

@@ -0,0 +1,11 @@
+use bevy::prelude::*;
+use bevy_asset_loader::prelude::*;
+
+use crate::screens::Screen;
+
+pub fn plugin(app: &mut App) {
+    app.add_loading_state(LoadingState::new(Screen::Loading).continue_to_state(Screen::Title));
+}
+
+#[derive(AssetCollection, Resource)]
+pub struct Textures {}

src/lib.rs

@@ -1,3 +1,4 @@
+mod assets;
 #[cfg(feature = "dev")]
 mod dev_tools;
 mod screens;
@@ -47,10 +48,8 @@ impl Plugin for GamePlugin {
                 }),
         );
 
-        // Add other plugins.
-        app.add_plugins((screens::plugin,));
+        app.add_plugins((assets::plugin, screens::plugin));
 
-        // Enable dev tools for dev builds.
         #[cfg(feature = "dev")]
         app.add_plugins(dev_tools::plugin);
     }

src/screens.rs

@@ -1,3 +1,21 @@
+mod loading;
+mod title;
+
 use bevy::prelude::*;
 
-pub fn plugin(mut app: &mut App) {}
+pub fn plugin(app: &mut App) {
+    app.init_state::<Screen>();
+    app.enable_state_scoped_entities::<Screen>();
+
+    app.add_plugins((loading::plugin, title::plugin));
+}
+
+#[derive(States, Debug, Hash, PartialEq, Eq, Clone, Default)]
+pub enum Screen {
+    #[default]
+    Loading,
+    // Over,
+    // Playing,
+    // Splash,
+    Title,
+}

src/screens/loading.rs

@@ -0,0 +1,3 @@
+use bevy::prelude::*;
+
+pub fn plugin(app: &mut App) {}

src/screens/title.rs

@@ -0,0 +1,40 @@
+use bevy::prelude::*;
+
+use crate::screens::Screen;
+
+pub(super) fn plugin(app: &mut App) {
+    app.add_systems(OnEnter(Screen::Title), spawn_title_screen);
+}
+
+fn spawn_title_screen(mut commands: Commands) {
+    commands
+        .spawn((StateScoped(Screen::Title), Name::new("Title"), Node {
+            align_items: AlignItems::Center,
+            flex_direction: FlexDirection::Column,
+            height: Val::Percent(100.),
+            justify_content: JustifyContent::Start,
+            justify_self: JustifySelf::Center,
+            padding: UiRect::all(Val::Px(10.)),
+            width: Val::Percent(100.),
+            ..default()
+        }))
+        .with_children(|p| {
+            p.spawn((Text::new("All The Way Home"), TextFont {
+                font_size: 30.,
+                ..default()
+            }));
+        });
+}
+
+// fn enter_gameplay_screen(_trigger: Trigger<OnPress>, mut next_screen: ResMut<NextState<Screen>>) {
+//     next_screen.set(Screen::Playing);
+// }
+//
+// fn enter_credits_screen(_trigger: Trigger<OnPress>, mut next_screen: ResMut<NextState<Screen>>) {
+//     next_screen.set(Screen::Credits);
+// }
+//
+// #[cfg(not(target_family = "wasm"))]
+// fn exit_app(_trigger: Trigger<OnPress>, mut app_exit: EventWriter<AppExit>) {
+//     app_exit.send(AppExit::Success);
+// }