接入聊天

Assets/Script/Util/WebRTCUtil.cs

@@ -1,5 +1,7 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
+using Cysharp.Threading.Tasks;
 using Stary.Evo;
 using UnityEngine;
 using UnityEngine.UI;
@@ -9,6 +11,8 @@ namespace Script.Util
 {
     public static class WebRTCUtil
     {
+        public static Dictionary<string, Sprite> _avatarCache = new();
+
         public static Color GetRandomColor()
         {
             return new Color(
@@ -19,10 +23,16 @@ namespace Script.Util
             );
         }
 
-        public static async void DownloadAndSetAvatar(string avatarUrl, Image targetImage)
+        public static async UniTask DownloadAndSetAvatar(string avatarUrl, Image targetImage)
         {
             try
             {
+                if (_avatarCache.TryGetValue(avatarUrl, out var sprite))
+                {
+                    targetImage.sprite = sprite;
+                    return;
+                }
+
                 var tempPath = Path.Combine(Application.temporaryCachePath, $"avatar_{Guid.NewGuid()}.png");
                 var result = await WebRequestSystem.GetFile(avatarUrl, tempPath);
 
@@ -32,11 +42,12 @@ namespace Script.Util
                     var texture = new Texture2D(2, 2);
                     texture.LoadImage(bytes);
 
-                    var sprite = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height),
+                    sprite = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height),
                         Vector2.one * 0.5f);
                     targetImage.sprite = sprite;
 
                     File.Delete(tempPath);
+                    _avatarCache.TryAdd(avatarUrl, sprite);
                 }
             }
             catch (Exception e)