Add items, Pickup logic works

Assets/SellingPedestal/EmptyCounter.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class EmptyCounter : MonoBehaviour, IObjectParentHolder {
+
+    [SerializeField] private ObjectSO _objectSo;
+    [SerializeField] private Transform _counterObjectHandle;
+    
+    [SerializeField] private bool _shouldSpawnOnInteract;
+    
+    private Object _currentObject;
+
+    public void Interact() {
+        InteractionBehaviour interactionBehaviour = PlayerController.Instance.InteractionBehaviour;
+        if (_shouldSpawnOnInteract) {
+            if (_currentObject == null) {
+                Transform objectTransform = Instantiate(_objectSo.prefab, _counterObjectHandle);
+                objectTransform.GetComponent<Object>().setObjectParent(this);
+            }
+            
+        }
+
+        if (!HasObject()) {
+            //No item on the counter
+            //Check player if he has something
+            if (interactionBehaviour.HasObject()) {
+                Object obj = interactionBehaviour.GetObject();
+                obj.setObjectParent(this);
+            }
+            else {
+                //Player has no item
+                
+            }
+        }
+        else {
+            //Item on Counter
+            //Check player if he has something
+            if (interactionBehaviour.HasObject()) {
+                //Player has something
+            }
+            else {
+                //Player has nothing
+                //Take the object
+                GetObject().setObjectParent(interactionBehaviour);
+            }
+        }
+
+    }
+
+
+    public Transform GetHolderTransform() {
+        return _counterObjectHandle;
+    }
+    
+    public void SetObject(Object obj) {
+        this._currentObject = obj;
+    }
+    
+    public Object GetObject() {
+        return this._currentObject;
+    }
+
+    public void ClearObject() {
+        this._currentObject = null;
+    }
+
+    public bool HasObject() {
+        return this._currentObject != null;
+    }
+}