Reverted ItemOnGround to make everything compile again

scripts/CSharp/Common/Inventory/ItemOnGround2D.cs

@@ -1,19 +1,23 @@
 using Babushka.scripts.CSharp.Common.Savegame;
-using Babushka.scripts.CSharp.GameEntity.Entities;
-using Babushka.scripts.CSharp.GameEntity.LoadSave;
 using Godot;
 using Godot.Collections;
-using Newtonsoft.Json.Linq;
 
 namespace Babushka.scripts.CSharp.Common.Inventory;
 
-public partial class ItemOnGround2D : Node2D
+public partial class ItemOnGround2D : Node, ISaveable
 {
     private ItemInstance _itemInstance;
     
+    [Export] public bool IsActive = true;
+    [Export] private bool _infiniteSupply = false;
+    [Export] private int _finiteSupply = 1;
+    [Export] private bool _saveToDisk = true;
+
+    private int pickUpCounter = 0; 
+    
     [Signal] public delegate void SuccessfulPickUpEventHandler();
     
-    
+
     private Label _itemLabel => GetNode<Label>("ItemLabel");
     private Label _pickupErrorLabel => GetNode<Label>("PickupErrorLabel");
     private Sprite2D _iconSprite => GetNode<Sprite2D>("Icon");
@@ -30,12 +34,16 @@ public partial class ItemOnGround2D : Node2D
 
     public override void _Ready()
     {
+        LoadFromSaveData();
         UpdateVisuals();
         _pickupErrorLabel.Text = "";
     }
 
     public void TryPickUp()
     {
+        if (!IsActive)
+            return;
+        
         var result = InventoryManager.Instance.CollectItem(itemInstance.Clone());
         EmitSignal(SignalName.SuccessfulPickUp);
         if (result == InventoryActionResult.Success)
@@ -50,7 +58,16 @@ public partial class ItemOnGround2D : Node2D
 
     private void Pickup()
     {
-        // remove from entity manager
+        if (!_infiniteSupply)
+        {
+            pickUpCounter++;
+            if (pickUpCounter >= _finiteSupply)
+            {
+                QueueFree();
+            }
+
+            UpdateSaveData();
+        }
     }
 
     private void FailToPickup()
@@ -63,6 +80,9 @@ public partial class ItemOnGround2D : Node2D
 
     public void UpdateVisuals()
     {
+        if (!IsActive)
+            return;
+        
         _iconSprite.Texture = itemInstance?.blueprint?.icon;
         if (_iconSprite.Texture == null)
         {
@@ -74,22 +94,7 @@ public partial class ItemOnGround2D : Node2D
         }
     }
 
-    /*
-    protected override void LoadEntity(JObject json)
-    {
-        base.LoadEntity(json);
-        _itemInstance.LoadFromJson(json.GetObject("item"));
-    }
-
-    protected override void SaveEntity(JObject json)
-    {
-        base.SaveEntity(json);
-        json["item"] = _itemInstance.SaveToJson();
-    }
-    */
-
-    // old save
-    /*
+    // todo: What do we do with instances that are created at runtime?
     public void UpdateSaveData()
     {
         if (!_saveToDisk)
@@ -152,5 +157,5 @@ public partial class ItemOnGround2D : Node2D
                 }
             }
         }
-    }*/
+    }
 }