hotbar

Assets/Scripts/UI/HotbarUI.cs

@@ -0,0 +1,52 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class HotbarUI : GuiPanel
+{
+  [SerializeField] private GameObject hotbarSlotPrefab;
+  private List<HotbarSlotUI> slots = new List<HotbarSlotUI>();
+  private Inventory playerInventory;
+  private PlayerController playerController;
+  private int hotbarSlotCount = 9;
+
+  private void Start()
+  {
+    Inventory.OnPlayerInventoryChanged += UpdateSlots;
+  }
+  public override void OnOpen()
+  {
+    if (slots.Count == 0)
+    {
+      playerInventory = GameObject.FindGameObjectWithTag("Player").GetComponent<Inventory>();
+      playerController = GameObject.FindGameObjectWithTag("Player").GetComponent<PlayerController>();
+      hotbarSlotCount = playerController.hotbarSlotCount;
+      CreateSlots();
+    }
+    UpdateSlots();
+  }
+
+  public override void OnClose()
+  {
+  }
+
+  private void CreateSlots()
+  {
+    for (int i = 0; i < hotbarSlotCount; i++)
+    {
+      HotbarSlotUI newSlot = Instantiate(hotbarSlotPrefab, Vector3.zero, Quaternion.identity, transform).GetComponent<HotbarSlotUI>();
+      newSlot.slotIndex = i;
+      slots.Add(newSlot);
+    }
+  }
+
+  private void UpdateSlots()
+  {
+    for (int i = 0; i < slots.Count; i++)
+    {
+      slots[i].SetInventoryItem(playerInventory.items[i] ?? null);
+    }
+  }
+
+}