UsableItem.cs

Assets/Scripts/PlayerController.cs

@@ -2,18 +2,37 @@ using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
-public class PlayerController : MonoBehaviour
-{
+public class PlayerController : MonoBehaviour {
+    private List<Item> inventory;
+    private int money;
+    private UsableItem selectedItem;
     
+    private static PlayerController instance;
+    
+    public int startMoney = 100;
+
+    public static PlayerController getInstance() {
+        return instance;
+    }
+    
+
     // Start is called before the first frame update
     void Start()
     {
-        
+        inventory ??= new List<Item>();
+        money = startMoney;
+        instance = this;
     }
 
     // Update is called once per frame
     void Update()
     {
         
+    }
+
+    public void setSelectedItem(UsableItem item) {
+        selectedItem = item;
+        
+        
     }
 }

Assets/Scripts/UsableItem.cs

@@ -0,0 +1,25 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class UsableItem : Item, IUsable
+{
+    // Start is called before the first frame update
+    void Start()
+    {
+        
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+
+    public UsableItem(string displayName, string description, int id) : base(displayName, description, id) {
+    }
+
+    public void select() {
+        throw new System.NotImplementedException();
+    }
+}