add basic inventory, fading walls

Assets/Scripts/PickupableItem.cs

@@ -3,13 +3,21 @@
 // this class is specifically referring to items in the world that can be picked up
 public class PickupableItem : Interactable
 {
-    public Item item;
+    public ItemIdEnum itemId;
+    public int quantity; 
+
+    private Item itemObj;
+
+    private void Start()
+    {
+        itemObj = new Item(itemId);
+        Debug.Log(itemObj.itemName);
+    }
 
     public override void Interact()
     {
-        if (GameManager.Instance.Inventory.AddItem(item))
+        if (GameManager.Instance.Inventory.AddItem(itemObj, quantity))
         {
-            Debug.Log("Picked up " + item.itemName + "!");
             MoveOutsideRange(); // I don't love this but if we destroy the object we probably need to do this first
             Destroy(gameObject);
         }
@@ -17,7 +25,7 @@ public override void Interact()
 
     public override void MoveInsideRange()
     {
-        GameManager.Instance.DialogueManager.ShowItemText(item.itemName);
+        GameManager.Instance.DialogueManager.ShowItemText(itemObj.itemName);
     }
 
     public override void MoveOutsideRange()