Unlockable door implementation (currently opens with regular attack)

Zennysoft.Game.Ma/src/map/UnlockableDoor.cs

@@ -1,6 +1,23 @@
+using Chickensoft.AutoInject;
+using Chickensoft.Introspection;
 using Godot;
 
+[Meta(typeof(IAutoNode))]
 public partial class UnlockableDoor : Node3D, IDoor
 {
+  public override void _Notification(int what) => this.Notify(what);
 
+  [Node] public Area3D UnlockArea { get; set; }
+
+  public void OnReady()
+  {
+    UnlockArea.AreaEntered += UnlockArea_AreaEntered;
+  }
+
+  private void UnlockArea_AreaEntered(Area3D area)
+  {
+    var children = GetChildren();
+    foreach (var child in children)
+      child.QueueFree();
+  }
 }