linear state restart action

src/states/linear/components.rs

@@ -2,3 +2,6 @@ use bevy::prelude::*;
 
 #[derive(Component)]
 pub struct LinearStateMarker;
+
+#[derive(Component, Copy, Clone)]
+pub struct LinearRestartMarker;

src/states/linear/mod.rs

@@ -19,4 +19,7 @@ pub use system_ball::*;
 mod constants;
 pub use constants::*;
 
+mod ui;
+pub use ui::*;
+
 

src/states/linear/plugin.rs

@@ -1,8 +1,9 @@
-use crate::states::AppState::LinearState;
+use crate::states::AppState;
+use crate::states::AppState::{LinearGameRestart, LinearPlayState};
 use crate::states::linear::*;
 use bevy::prelude::*;
 
-pub struct LinearPlugin;
+pub struct LinearPlayPlugin;
 
 // создаем енум, чтоб не указывать run_if(in_state) для каждой системы
 #[derive(SystemSet, Debug, Hash, PartialEq, Eq, Clone)]
@@ -10,15 +11,26 @@ pub enum LinearUpdateSet {
     Track,
 }
 
-impl Plugin for LinearPlugin {
+impl Plugin for LinearPlayPlugin {
     fn build(&self, app: &mut App) {
-        app.add_systems(OnEnter(LinearState), setup)
-            .configure_sets(Update, LinearUpdateSet::Track.run_if(in_state(LinearState)))
+        app
+            .add_systems(OnEnter(LinearPlayState), setup)
+            .add_systems(OnEnter(LinearGameRestart), linear_restart)
+            .add_plugins(LinearUIPlugin)
+            .configure_sets(
+                Update,
+                LinearUpdateSet::Track.run_if(in_state(LinearPlayState)),
+            )
             .add_systems(
                 Update,
-                (draw_track_gizmos, spawn_round_ball).in_set(LinearUpdateSet::Track),
+                (
+                    draw_track_gizmos,
+                    spawn_round_ball,
+                    move_round_balls,
                 )
-            .add_systems(OnExit(LinearState), cleanup);
+                    .in_set(LinearUpdateSet::Track),
+            )
+            .add_systems(OnExit(LinearPlayState), cleanup);
     }
 }
 
@@ -40,3 +52,7 @@ fn cleanup(mut commands: Commands, query: Query<Entity, With<LinearStateMarker>>
     commands.remove_resource::<Track>();
     commands.remove_resource::<PrecalculatedTrack>();
 }
+
+fn linear_restart(mut next_state: ResMut<NextState<AppState>>) {
+    next_state.set(LinearPlayState);
+}

src/states/linear/ui.rs

@@ -0,0 +1,77 @@
+use crate::states::AppState;
+use crate::states::AppState::LinearPlayState;
+use crate::states::linear::plugin::LinearUpdateSet;
+use crate::states::linear::{LinearRestartMarker, LinearStateMarker};
+use crate::ui::button_click::ButtonClickMessage;
+use crate::ui::click::handle_click_system;
+use crate::ui::{ButtonStyle, spawn_button};
+use bevy::prelude::*;
+
+pub struct LinearUIPlugin;
+
+impl Plugin for LinearUIPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_message::<ButtonClickMessage<LinearRestartMarker>>()
+            .add_systems(OnEnter(LinearPlayState), setup_ui)
+            .configure_sets(
+                Update,
+                LinearUpdateSet::Track.run_if(in_state(LinearPlayState)),
+            )
+            .add_systems(
+                Update,
+                (
+                    restart_game_button_system,
+                    handle_click_system::<LinearRestartMarker>,
+                )
+                    .in_set(LinearUpdateSet::Track),
+            );
+    }
+}
+
+// хоть ui отделен, но по глобальному маркеру стейта, все сущности будут очищены в основном плагине
+fn setup_ui(mut commands: Commands, asset_server: Res<AssetServer>) {
+    let root = commands
+        .spawn((
+            Node {
+                display: Display::Flex,
+                width: Val::Percent(100.0),
+                height: Val::Percent(100.0),
+                ..default()
+            },
+            BackgroundColor(Color::NONE),
+            Name::new("Game state background node"),
+            LinearStateMarker,
+        ))
+        .id();
+
+    let restart_button_style = ButtonStyle {
+        font: asset_server.load("fonts/QR Ames Beta.otf"),
+        font_size: 24.0,
+        text_color: Color::WHITE,
+        normal_bg: Color::linear_rgba(0.15, 0.15, 0.15, 1.0),
+        hovered_bg: Color::linear_rgb(0.25, 0.25, 0.25),
+        pressed_bg: Color::linear_rgb(0.3, 0.3, 0.3),
+        width: Val::Px(200.0),
+        height: Val::Px(50.0),
+        margin: UiRect::all(Val::Px(10.0)),
+    };
+
+    spawn_button(
+        &mut commands,
+        root,
+        "Restart",
+        &restart_button_style,
+        LinearRestartMarker,
+    );
+}
+
+pub fn restart_game_button_system(
+    interaction_query: Query<&Interaction, (Changed<Interaction>, With<LinearRestartMarker>)>,
+    mut next_state: ResMut<NextState<AppState>>,
+) {
+    for interaction in &interaction_query {
+        if matches!(interaction, Interaction::Pressed) {
+            next_state.set(AppState::LinearGameRestart);
+        }
+    }
+}

src/states/main_menu/systems.rs

@@ -31,7 +31,7 @@ pub fn linear_button_system(
     for interaction in &interaction_query {
         if matches!(interaction, Interaction::Pressed) {
             println!("Линейное нажата");
-            next_state.set(AppState::LinearState);
+            next_state.set(AppState::LinearPlayState);
         }
     }
 }