(client) feat:添加基地界面到游玩界面的过程，添加存档管理，技能树变得可用 (#58)

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/58

Client/Assets/Scripts/UI/CoinCountUI.cs

@@ -1,4 +1,5 @@
 using System;
+using Entity;
 using TMPro;
 using UnityEngine;
 
@@ -7,10 +8,21 @@ namespace UI
     public class CoinCountUI:MonoBehaviour
     {
         public TMP_Text text;
+        public int coinCount;
 
         private void Start()
         {
-            
+            text.text = coinCount.ToString();
+        }
+
+        private void Update()
+        {
+            var playerEntity = Program.Instance.FocusedEntity as Character;
+            if (!playerEntity || playerEntity.Coin == null)
+                return;
+            if (coinCount == playerEntity.Coin.Quantity) return;
+            coinCount = playerEntity.Coin.Quantity;
+            text.text = coinCount.ToString();
         }
     }
 }