Initial work on menus

2026-09-10 23:26:17 +02:00
parent 71820a25dd
commit 3dbda96d31
22 changed files with 1093 additions and 44 deletions
@@ -0,0 +1,168 @@
+use bevy::{
+    input_focus::{
+        InputFocus, InputFocusVisible,
+        directional_navigation::{AutoNavigationConfig, DirectionalNavigationPlugin},
+    },
+    prelude::*,
+};
+
+use bevy::prelude::*;
+
+use crate::{
+    AppState,
+    game_settings::CommonAssets,
+    menus::{character_select::CharacterSelectScreen, main_menu::MainMenu, style::FGUiStyle},
+};
+pub mod button;
+pub mod character_select;
+pub mod cursor;
+pub mod input;
+pub mod main_menu;
+pub mod navigation;
+pub mod scaling;
+pub mod style;
+
+#[derive(Component, Clone, Default)]
+pub struct MenuMarker {}
+
+pub struct MenuPlugin;
+
+pub fn build_menu_scene<S>(existing_menu: Option<Single<Entity, With<MenuMarker>>>) -> impl Scene
+where
+    S: SceneComponent + Default + Clone + Send + Sync,
+{
+}
+
+pub fn wrap_menu(menu: impl Scene) -> impl Scene {
+    bsn! {
+        #MenuRoot
+        MenuMarker
+        Node {
+            width: percent(100),
+            height: percent(100),
+            align_items: AlignItems::Center,
+            justify_content: JustifyContent::Center,
+            flex_direction: FlexDirection::Column,
+        }
+        Children [
+            (
+                #MenuContainer
+                Node {
+                    width: px(1920),
+                    height: px(1080),
+                    align_items: AlignItems::Center,
+                    justify_content: JustifyContent::Center,
+                    column_gap: vmin(5.0),
+                    flex_direction: FlexDirection::Column,
+                    padding: UiRect { left: vmin(5.0), right: vmin(5.0), top: vmin(5.0), bottom: vmin(5.0) }
+                }
+                menu
+            )
+        ]
+    }
+}
+
+pub fn spawn_menu(
+    existing_menu: Option<Single<Entity, With<MenuMarker>>>,
+    mut commands: Commands,
+    menu: impl Scene,
+) {
+    if let Some(entity) = existing_menu {
+        commands
+            .entity(entity.into_inner())
+            .remove::<Camera2d>()
+            .remove::<Camera>()
+            .despawn();
+    }
+    commands.queue_spawn_scene(wrap_menu(menu));
+}
+
+pub fn build_menu_with_props<S>(props: S::Props) -> impl Scene
+where
+    S: SceneComponent + Default + Clone + Send + Sync,
+{
+    S::scene(props)
+}
+
+pub fn build_menu<S>(
+    existing_menu: Option<Single<Entity, With<MenuMarker>>>,
+    mut commands: Commands,
+) where
+    S: SceneComponent + Default + Clone + Send + Sync,
+{
+    spawn_menu(
+        existing_menu,
+        commands,
+        build_menu_with_props::<S>(S::Props::default()),
+    );
+}
+
+impl Plugin for MenuPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_systems(
+            OnEnter(AppState::MainMenu),
+            (build_menu::<MainMenu>, |mut commands: Commands| {
+                commands.spawn((Camera2d, IsDefaultUiCamera));
+                commands.spawn((
+                    Camera2d,
+                    Camera {
+                        order: 1,
+                        ..default()
+                    },
+                ));
+            }),
+        )
+        .add_systems(
+            OnEnter(AppState::CharacterSelect),
+            character_select::setup_character_select,
+        )
+        .init_resource::<navigation::UINavigationActionState>()
+        .insert_resource(InputFocusVisible(true))
+        .insert_resource(GlobalUiDebugOptions {
+            enabled: true,
+            ..default()
+        })
+        // Configure auto-navigation behavior
+        .insert_resource(AutoNavigationConfig {
+            // Require at least 10% overlap in perpendicular axis for cardinal directions
+            min_alignment_factor: 0.1,
+            // Don't connect nodes more than 500 pixels apart between their closest edges
+            max_search_distance: Some(500.0),
+            // Prefer nodes that are well-aligned
+            prefer_aligned: true,
+        })
+        .add_plugins(DirectionalNavigationPlugin)
+        .add_systems(
+            PreUpdate,
+            (
+                navigation::give_default_focus,
+                scaling::ui_scaling_system,
+                button::button_setup,
+                button::button_style_system,
+                button::button_focus_style_system,
+            )
+                .run_if(resource_exists::<CommonAssets>),
+        )
+        .add_systems(Startup, scaling::ui_update_scale_on_startup)
+        .add_systems(
+            PostUpdate,
+            (character_select::css_input, (cursor::cursor_input, cursor::update_cursor_transform).chain())
+                .run_if(in_state(AppState::CharacterSelect))
+                .run_if(any_with_component::<CharacterSelectScreen>),
+        )
+        .add_observer(character_select::handle_fighter_slot_addition)
+        .add_plugins(bevy_common_assets::ron::RonAssetPlugin::<FGUiStyle>::new(
+            &["stylesheet.ron"],
+        ))
+        .add_systems(
+            Update,
+            (
+                navigation::process_inputs,
+                navigation::navigate,
+                navigation::interact_with_focused_button,
+            )
+                .chain(),
+        )
+        .init_resource::<InputFocus>();
+    }
+}