Add achievement system with unlock and UI popup functionality (#8)

scripts/Resources/AchievementResource.cs

@@ -0,0 +1,13 @@
+using Godot;
+
+namespace Mr.BrickAdventures.scripts.Resources;
+
+[GlobalClass]
+public partial class AchievementResource : Resource
+{
+    [Export] public string Id { get; set; } = ""; // e.g., "level_1_complete"
+    [Export] public string DisplayName { get; set; } = "New Achievement";
+    [Export(PropertyHint.MultilineText)] public string Description { get; set; } = "";
+    [Export] public Texture2D Icon { get; set; }
+    [Export] public bool IsSecret { get; set; } = false;
+}

scripts/Resources/AchievementResource.cs.uid

@@ -0,0 +1 @@
+uid://duib5phrmpro5

scripts/UI/AchievementPopup.cs

@@ -0,0 +1,52 @@
+using System.Threading.Tasks;
+using Godot;
+using Mr.BrickAdventures.scripts.Resources;
+
+namespace Mr.BrickAdventures.scripts.UI;
+
+[GlobalClass]
+public partial class AchievementPopup : CanvasLayer
+{
+    [Export] public Label TitleLabel { get; set; }
+    [Export] public Label DescriptionLabel { get; set; }
+    [Export] public TextureRect IconRect { get; set; }
+    [Export] public float DisplayDuration { get; set; } = 3.0f;
+
+    private Control _container;
+    private Vector2 _startPosition;
+    private Vector2 _onScreenPosition;
+    
+    public override void _Ready()
+    {
+        _container = GetNode<Control>("Container");
+
+        _startPosition = new Vector2(_container.Position.X, -_container.Size.Y - 50);
+        _onScreenPosition = _container.Position;
+        _container.Position = _startPosition;
+    }
+    
+    public async Task ShowAchievement(AchievementResource achievement)
+    {
+        TitleLabel.Text = achievement.DisplayName;
+        DescriptionLabel.Text = achievement.Description;
+        IconRect.Texture = achievement.Icon;
+
+        var tween = CreateTween();
+        tween.TweenProperty(_container, "position", _onScreenPosition, 0.5f)
+            .SetTrans(Tween.TransitionType.Cubic)
+            .SetEase(Tween.EaseType.Out);
+        
+        await ToSignal(tween, Tween.SignalName.Finished);
+
+        await ToSignal(GetTree().CreateTimer(DisplayDuration), Timer.SignalName.Timeout);
+
+        tween = CreateTween();
+        tween.TweenProperty(_container, "position", _startPosition, 0.5f)
+            .SetTrans(Tween.TransitionType.Cubic)
+            .SetEase(Tween.EaseType.In);
+        
+        await ToSignal(tween, Tween.SignalName.Finished);
+        
+        QueueFree();
+    }
+}

scripts/UI/AchievementPopup.cs.uid

@@ -0,0 +1 @@
+uid://cejjan582nhfn

scripts/components/ExitDoorComponent.cs

@@ -4,29 +4,25 @@ using Mr.BrickAdventures.scripts.interfaces;
 
 namespace Mr.BrickAdventures.scripts.components;
 
-public partial class ExitDoorComponent : Node, IUnlockable
+public partial class ExitDoorComponent : Area2D, IUnlockable
 {
     [Export] public bool Locked { get; set; } = true;
-    [Export] public Area2D ExitArea { get; set; }
     [Export] public Sprite2D DoorSprite { get; set; }
     [Export] public AudioStreamPlayer2D OpenDoorSfx { get; set; }
     [Export] public int OpenedDoorFrame { get; set; } = 0;
+    [Export] public string AchievementId = "level_complete_1";
     
     [Signal] public delegate void ExitTriggeredEventHandler();
     
     private GameManager _gameManager;
+    private AchievementManager _achievementManager;
 
     public override void _Ready()
     {
         _gameManager = GetNode<GameManager>("/root/GameManager");
+        _achievementManager = GetNode<AchievementManager>("/root/AchievementManager");
         
-        if (ExitArea == null)
-        {
-            GD.PushError("ExitDoorComponent: ExitArea is not set.");
-            return;
-        }
-        
-        ExitArea.BodyEntered += OnExitAreaBodyEntered;
+        BodyEntered += OnExitAreaBodyEntered;
         
     }
 
@@ -35,6 +31,7 @@ public partial class ExitDoorComponent : Node, IUnlockable
         if (Locked) return;
         
         EmitSignalExitTriggered();
+        _achievementManager.UnlockAchievement(AchievementId);
         _gameManager.UnlockLevel((int)_gameManager.PlayerState["current_level"] + 1);
         CallDeferred(nameof(GoToNextLevel));
     }