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);
         }
     }
 }

Scripts/Crafting/InventoryDisplay.cs

@@ -1,18 +1,31 @@
+using System;
 using Godot;
 
 public partial class InventoryDisplay : PanelContainer
 {
 	PackedScene itemDisplayPrefab = ResourceLoader.LoadItemDisplay();
 	[Export] VBoxContainer itemList;
+	[Export] RichTextLabel inventorySpace;
+
+	public override void _Ready()
+	{
+		GameData.inventory.OnInventoryUpdate += OnInventoryUpdate;
+	}
 
 	public override void _Notification(int id)
 	{
 		if (id == NotificationVisibilityChanged)
 		{
 			if (Visible) ReloadItems();
+			if (Visible) UpdateInventorySpace();
 		}
 	}
 
+	private void UpdateInventorySpace()
+	{
+		inventorySpace.Text = $"Used space: {GameData.inventory.items.Count}/{GameData.inventory.maxInventorySize}";
+	}
+
 	public void ReloadItems()
 	{
 		foreach (Node node in itemList.GetChildren())
@@ -27,9 +40,15 @@ public partial class InventoryDisplay : PanelContainer
 			display = itemDisplayPrefab.Instantiate<ItemDisplay>();
 			display.item = item;
 			display.text.Text = item.data.GetReadableName();
-			display.amount.Text = item.currentAmount.ToString();
+			display.amount.Text = $"{item.currentAmount}/{item.data.StackSize}";
 			display.texture.Texture = ResourceLoader.LoadPath(item.data.Texture);
 			itemList.AddChild(display);
 		}
 	}
+
+	public void OnInventoryUpdate(object sender, EventArgs args)
+	{
+		ReloadItems();
+		UpdateInventorySpace();
+	}
 }