修复网络和并发问题

Author: AnyaCoder

Assets/Scenes/SampleScene.unity

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d94453170ccc59a5cbce3bf8178b82cd0a138f2922a98ae48bc6f704e9f5a3ac
-size 428328
+oid sha256:6d50600ca7fb3a786af9d04be879932e6436ac7ec8fd1874e1061043f236be05
+size 434634

Assets/Scripts/Http/AvatarManager.cs

@@ -22,19 +22,16 @@ public void SetAvatar(string url, string absolutePath)
     /// 加载并处理本地图片
     /// </summary>
     private IEnumerator LoadAndProcessImage(string filePath)
-    {
-        lock (lockObj) {
-            Texture2D texture = LoadTextureFromFile(filePath);
-            if (texture == null)
-            {
-                Debug.LogError("无法加载图片: " + filePath);
-                yield break;
-            }
-
-            Texture2D resizedTexture = ResizeTexture(texture, width, height);
-            Sprite sprite = TextureToSprite(resizedTexture);
-            avatarImage.sprite = sprite;
+    {   
+        Texture2D texture = LoadTextureFromFile(filePath);
+        if (texture == null)
+        {
+            Debug.LogError("无法加载图片: " + filePath);
+            yield break;
         }
+        Texture2D resizedTexture = ResizeTexture(texture, width, height);
+        Sprite sprite = TextureToSprite(resizedTexture);
+        avatarImage.sprite = sprite;
 
     }
 
@@ -43,7 +40,10 @@ private IEnumerator LoadAndProcessImage(string filePath)
     /// </summary>
     private Texture2D LoadTextureFromFile(string filePath)
     {
-        byte[] fileData = File.ReadAllBytes(filePath);
+        byte[] fileData = null;
+        lock (lockObj) {
+           fileData = File.ReadAllBytes(filePath);
+        }
         Texture2D texture = new Texture2D(2, 2);
         if (texture.LoadImage(fileData))
         {

Assets/Scripts/Http/HttpDownloader.cs

@@ -26,7 +26,7 @@ private IEnumerator DownloadCoroutine(string url, string absolutePath, Action<Do
         DownloadResult result = new DownloadResult();
 
         // 如果文件存在，跳过, unity读取图片时会占用，删不掉
-        if (File.Exists(absolutePath))
+        if (File.Exists(absolutePath) && new FileInfo(absolutePath).Length > 0)
         {
             result.Success = true;
             result.FilePath = absolutePath;
@@ -55,6 +55,9 @@ private IEnumerator DownloadCoroutine(string url, string absolutePath, Action<Do
             {
                 result.Success = false;
                 result.ErrorMessage = www.error; // 记录错误信息
+                if (File.Exists(absolutePath)) {
+                    File.Delete(absolutePath);
+                }
             }
 
             // 调用回调函数，返回结果

Assets/Scripts/Live2D/DynamicFadeMotionSetup.cs

@@ -104,7 +104,6 @@ private void LoadFadeMotions()
                 string modelJsonDir = Path.GetDirectoryName(modelJsonPath);
                 motionClipsByGroup = new Dictionary<string, List<AnimationClip>>();
 
-                motionClipsByGroup = new ();
                 // 加载每个 Motion 并缓存到字典
                 for (int i = 0; i < motions.GroupNames.Length; i++)
                 {