Added Inventory space display and robot alert if not working currently. Added inventory live update.

Scripts/Crafting/Inventory.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using Godot;
 
@@ -6,6 +7,7 @@ public class Inventory
     public List<Item> items = new();
 
     public int maxInventorySize = 8;
+    public event EventHandler OnInventoryUpdate;
 
     public bool AddItem(Item item, int amount)
     {
@@ -13,6 +15,7 @@ public class Inventory
         if (inventoryItem != null)
         {
             inventoryItem.currentAmount += amount;
+            OnInventoryUpdate?.Invoke(this, EventArgs.Empty);
             return true;
         }
         else
@@ -21,6 +24,7 @@ public class Inventory
             {
                 items.Add(item);
                 items[items.Count - 1].currentAmount += amount;
+                OnInventoryUpdate?.Invoke(this, EventArgs.Empty);
                 return true;
             }
         }
@@ -49,6 +53,7 @@ public class Inventory
         if (item != null)
         {
             item.currentAmount -= amount;
+            OnInventoryUpdate?.Invoke(this, EventArgs.Empty);
         }
     }
 }