(client) feat:健康给予，路径优化，结算界面，商店界面 (#60)

Co-authored-by: m0_75251201 <m0_75251201@noreply.gitcode.com>
Reviewed-on: http://47.107.252.169:3000/Roguelite-Game-Developing-Team/Gen_Hack-and-Slash-Roguelite/pulls/60

Client/Assets/Scripts/UI/BuffIconListUI.cs

@@ -1,20 +1,67 @@
-using System;
+using System.Collections.Generic;
+using Entity;
 using Prefab;
 using UnityEngine;
 
 namespace UI
 {
-    public class BuffIconListUI: MonoBehaviour
+    public class BuffIconListUI : MonoBehaviour
     {
         public BuffIconUI prefab;
         public Transform container;
+        private readonly List<BuffIconUI> icons = new(); // 用于存储所有的图标
+
+        public LivingEntity CurrentEntity { get; private set; }
 
         private void Start()
         {
-            foreach (Transform child in container)
+            foreach (Transform child in container) Destroy(child.gameObject);
+        }
+
+        private void OnEnable()
+        {
+            Program.Instance.OnFocusedEntityChanged += FocusedEntityChanged;
+            FocusedEntityChanged(Program.Instance.FocusedEntity);
+        }
+
+        private void OnDisable()
+        {
+            Program.Instance.OnFocusedEntityChanged -= FocusedEntityChanged;
+        }
+
+
+        public void UpdateUI()
+        {
+            if (!CurrentEntity)
+                return;
+            var buffes = CurrentEntity.Hediffs;
+            var icons = SetIconCount(buffes.Count);
+            for (var i = 0; i < buffes.Count; i++) icons[i].Init(buffes[i]);
+        }
+
+        public List<BuffIconUI> SetIconCount(int count)
+        {
+            // 清空现有子对象
+            while (icons.Count > count)
             {
-                Destroy(child.gameObject);
+                Destroy(icons[icons.Count - 1].gameObject);
+                icons.RemoveAt(icons.Count - 1);
             }
+
+            // 添加新子对象
+            while (icons.Count < count)
+            {
+                var newIcon = Instantiate(prefab, container);
+                icons.Add(newIcon);
+            }
+
+            return icons;
+        }
+
+        public void FocusedEntityChanged(Entity.Entity entity)
+        {
+            CurrentEntity = entity as LivingEntity;
+            UpdateUI();
         }
     }
 }