✨ added InventoryListener and made field interaction area activate only when the right item (seed) is in the inventory

scripts/CSharp/Common/Farming/FieldBehaviour2D.cs

@@ -19,15 +19,33 @@ public partial class FieldBehaviour2D : Sprite2D
     [Export] public InteractionArea2D PlantingInteraction;
     [Export] public Node2D PlantingPlaceholder;
     [Export] public ItemRepository ItemRepository;
-
+    [Export] public InteractionArea2D FieldInteractionArea;
 
     public Vector2 FieldPosition;
 
+    private bool _seedsActive;
+
     [Signal] public delegate void PlantedEventHandler();
 
+    private void UpdateInteractionArea()
+    {
+        // fieldstate == tilled / watered && samen im Inventar
+        bool canPlant = (FieldState == FieldState.Tilled ||  FieldState == FieldState.Watered) && _seedsActive;
+        // fieldstate == tilled && watering can ausgewählt
+        bool canWater = false;
+        FieldInteractionArea.IsActive = canPlant || canWater;
+    }
+
+    public void ActivatedSeedInInventory(bool activated)
+    {
+        _seedsActive = activated;
+        UpdateInteractionArea();
+    }
+    
     public override void _Ready()
     {
         UpdateFieldState(FieldState);
+        UpdateInteractionArea();
         int randomIndex = new Random().Next(0, _maskTexture.Length);
         _maskSprite.Texture = _maskTexture[randomIndex];
         _outlineSprite.Texture = _maskOutlineTextures[randomIndex];