WIP reworking the item repository

scripts/CSharp/Common/Farming/FieldBehaviour2D.cs

@@ -16,6 +16,7 @@ public partial class FieldBehaviour2D : Sprite2D
     [Export] public FieldState FieldState = FieldState.Tilled;
     [Export] public InteractionArea2D PlantingInteraction;
     [Export] public Node2D PlantingPlaceholder;
+    [Export] public ItemRepository ItemRepository;
 
 
     public Vector2 FieldPosition;
@@ -83,24 +84,25 @@ public partial class FieldBehaviour2D : Sprite2D
         if (item == null || PlantingPlaceholder.GetChildCount() > 0)
             return success;
 
-        PackedScene? plantPrefab = item.blueprint.itemPrefab;
+        string prefabPath = ItemRepository.TryGetPrefabPath(item.blueprint);
 
-        if (plantPrefab != null)
+        if (prefabPath != null)
         {
-            Node plantInstance = plantPrefab.Instantiate();
-            if (plantInstance is Node2D plant2d)
-            {
-                PlantingPlaceholder.AddChild(plant2d);
-                plant2d.GlobalPosition = PlantingPlaceholder.GlobalPosition;
-                PlantBehaviour2D? plantBehaviour = plant2d as PlantBehaviour2D;
 
-                if (plantBehaviour != null)
-                {
-                    plantBehaviour.Field = this;
-                }
-                
-                success = true;
+            // todo: Error: cannot convert value at key from string to object
+            PackedScene prefab = ResourceLoader.Load<PackedScene>(prefabPath, nameof(PackedScene));
+            Node2D plant2d = prefab.Instantiate<Node2D>();
+            PlantingPlaceholder.AddChild(plant2d);
+            plant2d.GlobalPosition = PlantingPlaceholder.GlobalPosition;
+            PlantBehaviour2D? plantBehaviour = plant2d as PlantBehaviour2D;
+
+            if (plantBehaviour != null)
+            {
+                plantBehaviour.Field = this;
             }
+        
+            success = true;
+            
         }
 
         return success;

scripts/CSharp/Common/Inventory/ItemRepository.cs

@@ -0,0 +1,28 @@
+using Godot;
+using Godot.Collections;
+
+namespace Babushka.scripts.CSharp.Common.Inventory;
+
+/// <summary>
+///  A dictionary wrapper resource that holds references to ItemResources and maps them to their respective prefabs.
+/// </summary>
+[GlobalClass]
+public partial class ItemRepository : Resource
+{
+    [Export] public Dictionary<ItemResource, string> itemInventoryRepository;
+
+    /// <summary>
+    /// Returns the path to the itemPrefab for the inventory item.
+    /// </summary>
+    /// <param name="resource"></param>
+    /// <returns></returns>
+    public string TryGetPrefabPath(ItemResource resource)
+    {
+        if (itemInventoryRepository.Keys.Contains(resource))
+        {
+            return itemInventoryRepository[resource];
+        }
+        
+        return null;
+    }
+}

scripts/CSharp/Common/Inventory/ItemResource.cs

@@ -17,15 +17,11 @@ public partial class ItemResource : Resource
     [Export]
     public int maxStack;
     
-    [Export]
-    public PackedScene? itemPrefab;
-    
     public ItemResource()
     {
         name = "";
         color = Colors.Red;
         maxStack = 1;
-        itemPrefab = null;
     }
 }