feat(save): 实现 Yarn tag 自动存档判定与异步写盘

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-18 14:34:19 +08:00
parent de671ff94c
commit 0a6e892504
8 changed files with 291 additions and 61 deletions
@@ -1,6 +1,7 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Threading;
 using AibisDream.Utility;
 using Newtonsoft.Json;
 using UnityEngine;
@@ -109,12 +110,29 @@ namespace AibisDream.SaveSystem

        private static void CommitTempFile(string tempPath, string finalPath)
        {
-            if (File.Exists(finalPath))
-            {
-                File.Delete(finalPath);
-            }
+            const int maxAttempts = 5;

-            File.Move(tempPath, finalPath);
+            for (var attempt = 0; attempt < maxAttempts; attempt++)
+            {
+                try
+                {
+                    if (File.Exists(finalPath))
+                    {
+                        // Unity 使用的 .NET Standard 2.0 无 File.Move(..., overwrite)；Replace 为原子覆盖。
+                        File.Replace(tempPath, finalPath, null);
+                    }
+                    else
+                    {
+                        File.Move(tempPath, finalPath);
+                    }
+
+                    return;
+                }
+                catch (IOException) when (attempt < maxAttempts - 1)
+                {
+                    Thread.Sleep(20 * (attempt + 1));
+                }
+            }
        }
    }
 }