can interact if player has tool selected (in hand))

Assets/Scripts/Inventory/Item.cs

@@ -3,10 +3,19 @@ using System.Collections.Generic;
 using UnityEngine;
 
 [CreateAssetMenu(fileName = "Item", menuName = "Items/Item", order = 1)]
-public class Item : ScriptableObject
+public abstract class Item : ScriptableObject
 {
     public new string name;
     public int id;
     public bool isStackable;
     public Sprite sprite;
+    public bool isSelected;
+
+    public abstract void OnSelect();
+
+    public void Select()
+    {
+        isSelected = !isSelected;
+        OnSelect();
+    }
 }