🚧 intermediate state with homework

scripts/CSharp/Common/CharacterControls/InteractionArea2D.cs

@@ -1,18 +1,18 @@
-using System;
 using System.Linq;
 using Babushka.scripts.CSharp.Common.Savegame;
 using Babushka.scripts.CSharp.Common.Services;
+using Babushka.scripts.CSharp.Low_Code.Variables;
 using Godot;
 using Godot.Collections;
 
 namespace Babushka.scripts.CSharp.Common.CharacterControls;
 
-[Tool]
 public partial class InteractionArea2D : Node2D, ISaveable
 {
     [ExportGroup("Persistence")]
-    [Export] public Babushka.scripts.CSharp.Low_Code.Variables.VariableResource _sceneKeyProvider; 
-    [Export] private string _saveId;
+    [Export] public VariableResource _sceneKeyProvider;
+    [Export] private string _saveId = ""; // todo: find good default / generated solution
+    //todo: rewire broken instances in scenes
     
     [ExportGroup("Settings")]
     [Export] private Area2D _area;
@@ -48,7 +48,14 @@ public partial class InteractionArea2D : Node2D, ISaveable
         {
             _backupMaterials = _spritesToOutline.Select(s => s.Material).ToArray();
         }
-        
+
+        // bad solution for interaction areas, because they are all named the same.
+        // option (equally bad) 1: take grandparent's name (could be null though)
+        // option 2 (also bad): Write Identity Provider class that uses, checks and assigns GUIDs for this purpose.
+        if (string.IsNullOrEmpty(_saveId))
+        {
+            _saveId = Name;
+        }
         LoadFromSaveData();
     }