Add new components: EnemyDeathComponent, EnemyWaveTriggerComponent, and ExitDoorComponent

scripts/components/EnemyDeathComponent.cs

@@ -0,0 +1,42 @@
+using System.Threading.Tasks;
+using Godot;
+
+namespace Mr.BrickAdventures.scripts.components;
+
+public partial class EnemyDeathComponent : Node
+{
+    [Export] public float TweenDuration { get; set; } = 0.5f;
+    [Export] public CollisionShape2D CollisionShape { get; set; }
+    [Export] public HealthComponent Health { get; set; }
+
+    public override void _Ready()
+    {
+        if (CollisionShape == null)
+        {
+            GD.PushError("EnemyDeathComponent: CollisionShape is not set.");
+            return;
+        }
+
+        if (Health == null)
+        {
+            GD.PushError("EnemyDeathComponent: Health is not set.");
+            return;
+        }
+        
+        Health.Death += OnDeath;
+    }
+
+    private void OnDeath()
+    {
+        CallDeferred(nameof(Die));
+    }
+
+    private async Task Die()
+    {
+        CollisionShape.SetDisabled(true);
+        var tween = CreateTween();
+        tween.TweenProperty(Owner, "scale", Vector2.Zero, TweenDuration);
+        await ToSignal(tween, Tween.SignalName.Finished);
+        Owner.QueueFree();
+    }
+}