인벤토리/퀵슬롯 시스템 개발

Assets/Scripts/Player/QuickSlotUI.cs

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+using UnityEngine;
+using UnityEngine.UI;
+using TMPro;
+using Unity.Netcode;
+using System.Collections.Generic;
+
+public class QuickslotUI : MonoBehaviour
+{
+    [Header("Dynamic Setup")]
+    [SerializeField] private GameObject slotPrefab;   // 생성할 슬롯 프리팹
+    [SerializeField] private Transform slotContainer; // 슬롯들이 들어갈 부모 (HotbarPanel)
+
+    [Header("Weight UI")]
+    [SerializeField] private Slider weightSlider;
+    [SerializeField] private TextMeshProUGUI weightText;
+
+    private List<InventorySlotUI> _uiSlots = new List<InventorySlotUI>();
+    private PlayerInventory _linkedInventory;
+
+    public void BindInventory(PlayerInventory inventory)
+    {
+        _linkedInventory = inventory;
+
+        // 1. 기존에 있던 슬롯 UI들 모두 삭제 (초기화)
+        foreach (Transform child in slotContainer) Destroy(child.gameObject);
+        _uiSlots.Clear();
+
+        // 2. 인벤토리 데이터 크기(slotCount)만큼 UI 프리팹 생성
+        for (int i = 0; i < _linkedInventory.slotCount; i++)
+        {
+            GameObject newSlot = Instantiate(slotPrefab, slotContainer);
+            InventorySlotUI slotUI = newSlot.GetComponent<InventorySlotUI>();
+            _uiSlots.Add(slotUI);
+        }
+
+        // 3. 이벤트 등록 및 초기 갱신
+        _linkedInventory.Slots.OnListChanged += (e) => RefreshAll();
+        RefreshAll();
+    }
+
+    private void RefreshAll()
+    {
+        if (_linkedInventory == null) return;
+
+        for (int i = 0; i < _uiSlots.Count; i++)
+        {
+            var data = _linkedInventory.Slots[i];
+            _uiSlots[i].UpdateView(data.ItemID, data.Amount);
+        }
+        UpdateWeightDisplay();
+    }
+
+    // 데이터 변경 이벤트 핸들러
+    private void OnInventoryDataChanged(NetworkListEvent<PlayerInventory.InventorySlot> changeEvent)
+    {
+        RefreshAll();
+    }
+
+    private void UpdateWeightDisplay()
+    {
+        if (_linkedInventory == null) return;
+
+        float current = _linkedInventory.CurrentWeight;
+        float max = _linkedInventory.maxWeight;
+
+        if (weightSlider != null) weightSlider.value = current / max;
+        if (weightText != null) weightText.text = $"{current:F1} / {max:F1} kg";
+    }
+
+    private void OnDestroy()
+    {
+        // 이벤트 구독 해제 (메모리 누수 방지)
+        if (_linkedInventory != null)
+            _linkedInventory.Slots.OnListChanged -= OnInventoryDataChanged;
+    }
+}