feat: add restart from game over with R key

src/main.rs

@@ -19,7 +19,9 @@ use resources::{ // Added StageConfigurations
 use game_state::{
     cleanup_game_entities, cleanup_game_over_ui, setup_game_over_ui, AppState,
     setup_start_menu_ui, cleanup_start_menu_ui, start_menu_button_system,
+    handle_restart_input, restart_game_system,
 };
+use resources::RestartPressed;
 use player::{
     check_player_enemy_collisions, manage_invincibility, move_player, player_shoot,
     respawn_player, handle_captured_player,
@@ -74,6 +76,7 @@ fn main() {
             timer: Timer::new(Duration::from_secs_f32(3.0), TimerMode::Once),
         })
         .insert_resource(StageConfigurations::default()) // Use default stages for now
+        .insert_resource(RestartPressed::default())
         // Add startup systems
         .add_systems(Startup, setup)
         // Core game systems
@@ -117,6 +120,8 @@ fn main() {
         .add_systems(OnExit(AppState::StartMenu), cleanup_start_menu_ui)
         .add_systems(Update, start_menu_button_system.run_if(in_state(AppState::StartMenu)))
         .add_systems(OnEnter(AppState::GameOver), setup_game_over_ui)
+        .add_systems(Update, handle_restart_input.run_if(in_state(AppState::GameOver)))
+        .add_systems(Update, restart_game_system.run_if(in_state(AppState::GameOver)))
         .add_systems(OnExit(AppState::Playing), cleanup_game_entities)
         .add_systems(OnExit(AppState::GameOver), cleanup_game_over_ui)
         .run();

src/resources.rs

@@ -132,3 +132,8 @@ pub struct FormationState {
 pub struct AttackDiveTimer {
     pub timer: Timer,
 }
+
+#[derive(Resource, Default)]
+pub struct RestartPressed {
+    pub pressed: bool,
+}