inventory ui

Assets/Scripts/UI/InventoryUI.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class InventoryUI : MonoBehaviour
+{
+  [SerializeField] private GameObject slotPrefab;
+  [SerializeField] private GameObject slotListObj;
+  [SerializeField] private List<SlotUI> slotUIList;
+
+  private Inventory playerInventory;
+
+  private void Start()
+  {
+    playerInventory = GameObject.FindGameObjectWithTag("Player").GetComponent<Inventory>();
+    Inventory.OnPlayerInventoryChanged += UpdateSlots;
+    CreateSlots();
+    UpdateSlots();
+
+  }
+
+  private void CreateSlots()
+  {
+    playerInventory = GameObject.FindGameObjectWithTag("Player").GetComponent<Inventory>();
+
+    for (int i = 0; i < playerInventory.maxSlots; i++)
+    {
+      slotUIList.Add(Instantiate(slotPrefab, Vector3.zero, Quaternion.identity, slotListObj.transform).GetComponent<SlotUI>());
+    }
+  }
+  private void UpdateSlots()
+  {
+    Debug.Log("Update slots");
+    int i = 0;
+    foreach (SlotUI slotUi in slotUIList)
+    {
+      if (i < playerInventory.items.Count)
+      {
+        slotUi.SetInventoryItem(playerInventory.items[i]);
+      }
+      else
+      {
+        slotUi.SetInventoryItem(null);
+      }
+
+      i++;
+    }
+  }
+
+}

Assets/Scripts/UI/InventoryUI.cs.meta

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Assets/Scripts/UI/SlotUI.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class SlotUI : MonoBehaviour
+{
+  [SerializeField] private InventoryItem inventoryItem;
+  [SerializeField] private Image itemSpriteImage;
+  [SerializeField] private TMPro.TextMeshProUGUI quantityText;
+
+  private void Start()
+  {
+    UpdateSlot();
+  }
+  public void SetInventoryItem(InventoryItem newInventoryItem)
+  {
+    inventoryItem = newInventoryItem;
+    UpdateSlot();
+  }
+
+  private void UpdateSlot()
+  {
+    if (inventoryItem != null)
+    {
+      itemSpriteImage.sprite = inventoryItem?.item?.sprite ?? null;
+      Debug.Log(itemSpriteImage.sprite);
+      if (itemSpriteImage.sprite == null)
+      {
+        itemSpriteImage.color = new Color(0, 0, 0, 0);
+      }
+
+      quantityText.SetText(inventoryItem.count != 0 ? inventoryItem.count.ToString() : "");
+    }
+    else
+    {
+      itemSpriteImage.sprite = null;
+      quantityText.SetText("");
+      itemSpriteImage.color = new Color(0, 0, 0, 0);
+    }
+
+  }
+
+}

Assets/Scripts/UI/SlotUI.cs.meta

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