refactor (#6)

Reviewed-on: #6

scripts/UI/DeathScreen.cs

@@ -1,6 +1,8 @@
 using Godot;
+using Mr.BrickAdventures;
 using Mr.BrickAdventures.Autoloads;
 using Mr.BrickAdventures.scripts.Resources;
+using Mr.BrickAdventures.scripts.State;
 
 namespace Mr.BrickAdventures.scripts.UI;
 
@@ -12,27 +14,44 @@ public partial class DeathScreen : Control
     [Export] public Label LivesLeftLabel { get; set; }
     [Export] public float TimeoutTime { get; set; } = 2.0f;
     [Export] public Godot.Collections.Array<Node> NodesToDisable { get; set; } = new();
-    
+
     private GameManager _gameManager;
     private Timer _timer;
 
     public override void _Ready()
     {
-        _gameManager = GetNode<GameManager>("/root/GameManager");
-        SetLabels();
+        _gameManager = GameManager.Instance;
+
+        // Subscribe to lives changed event for reactive updates
+        EventBus.Instance.LivesChanged += OnLivesChanged;
     }
-    
+
+    public override void _ExitTree()
+    {
+        if (EventBus.Instance != null)
+        {
+            EventBus.Instance.LivesChanged -= OnLivesChanged;
+        }
+    }
+
+    private void OnLivesChanged(int lives)
+    {
+        // Update the label when lives change
+        LivesLeftLabel.Text = $" x {lives}";
+    }
+
     private void SetLabels()
     {
-        if (_gameManager == null) return;
-        
         if (CurrentLevel != null)
         {
             CurrentLevelLabel.Text = CurrentLevel.LevelName;
         }
-        LivesLeftLabel.Text = $" x {_gameManager.GetLives()}";
+
+        // Read current lives from store
+        var lives = GameStateStore.Instance?.Player.Lives ?? 0;
+        LivesLeftLabel.Text = $" x {lives}";
     }
-    
+
     private void SetupTimer()
     {
         _timer = new Timer();
@@ -42,31 +61,32 @@ public partial class DeathScreen : Control
         AddChild(_timer);
         _timer.Start();
     }
-    
+
     private void ToggleNodes()
     {
         foreach (var node in NodesToDisable)
         {
-            node.ProcessMode = node.ProcessMode == ProcessModeEnum.Disabled 
-                ? ProcessModeEnum.Inherit 
+            node.ProcessMode = node.ProcessMode == ProcessModeEnum.Disabled
+                ? ProcessModeEnum.Inherit
                 : ProcessModeEnum.Disabled;
         }
     }
-    
+
     public void OnPlayerDeath()
     {
         if (_gameManager == null) return;
-        
+
         ToggleNodes();
         SetLabels();
         Show();
         SetupTimer();
     }
-    
+
     private void OnTimeout()
     {
-        if (_gameManager == null || _gameManager.GetLives() == 0) return;
-        
+        var lives = GameStateStore.Instance?.Player.Lives ?? 0;
+        if (lives == 0) return;
+
         GetTree().ReloadCurrentScene();
     }
 }