Added project

Platformer/Assets/Scripts/InventoryUiController.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class InventoryUiController : MonoBehaviour {
+
+    [SerializeField] private Cell[] cells;
+    [SerializeField] private int cellCount;
+    [SerializeField] private Cell cellPrefab;
+    [SerializeField] private Transform rootParent;
+
+    // Start is called before the first frame update
+    private void Init() {
+        cells = new Cell[cellCount];
+        for (var i = 0; i < cellCount; i++) {
+            cells[i] =  Instantiate(cellPrefab, rootParent);
+            cells[i].OnUpdateCell += UpdateInventory;
+        }
+        cellPrefab.gameObject.SetActive(false);
+    }
+
+    private void OnEnable() {
+        if (cells == null || cells.Length <= 0) {
+            Init();
+        }
+        UpdateInventory();
+    }
+
+    public void UpdateInventory() {
+        var inventory = GameManager.Instance.inventory;
+        foreach (var cell in cells) {
+            cell.Init(null);
+        }
+        for (var i = 0; i < inventory.Items.Count; i++) {
+            if (i < cells.Length) {
+                cells[i].Init(inventory.Items[i]);
+            }
+        }
+    }
+}