修复问题，优化bug和游戏，resource资源拆迁

Assets/songsDatabase/SongDataController/SongButton.cs

@@ -77,15 +77,10 @@ public class SongButton : MonoBehaviour
     {
         Debug.Log("SetButtonData called, songID: " + songID);
 
-        SongData sd = null;
-        if (SongDataLibrary.Instance != null)
-        {
-            sd = SongDataLibrary.Instance.GetSongDataByID(songID);
-        }
-        if (sd == null)
-        {
-            sd = thisSong_so as SongData;
-        }
+        SongData sd = thisSong_so as SongData;
+        if (sd != null) sd.LoadPersistent();
+        if (SongDataLibrary.Instance != null && SongDataLibrary.Instance.IsLoaded)
+            sd = SongDataLibrary.Instance.GetSongDataByID(songID) ?? sd;
         if (sd != null)
         {
             if (songNameText != null) songNameText.text = sd.songName;
@@ -205,7 +200,7 @@ public class SongButton : MonoBehaviour
     {
         Debug.Log("Song button clicked, song_songSerialID: " + song_songSerialID);
         SongData selectedSong = null;
-        if (SongDataLibrary.Instance != null)
+        if (SongDataLibrary.Instance != null && SongDataLibrary.Instance.IsLoaded)
         {
             selectedSong = SongDataLibrary.Instance.GetSongDataByID(song_songSerialID);
         }
@@ -215,6 +210,7 @@ public class SongButton : MonoBehaviour
         }
         if (selectedSong != null)
         {
+            selectedSong.LoadPersistent();
             selectedSong.GetAbsoluteHighestScore(out int bestTotal, out int bestDiff, out string bestDiffName);
             if (bestDiff >= 0)
             {

Assets/songsDatabase/SongDataLibrary.cs

@@ -1,4 +1,4 @@
-using UnityEngine;
+using UnityEngine;
 using System.Collections.Generic;
 using System.Collections;
 
@@ -7,6 +7,16 @@ public class SongDataLibrary : MonoBehaviour
     public static SongDataLibrary Instance;
     private Dictionary<int, SongData> songDataDictionary = new Dictionary<int, SongData>();
 
+    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
+    private static void EnsureRuntimeInstance()
+    {
+        if (Instance != null) return;
+        if (Object.FindAnyObjectByType<SongDataLibrary>() != null) return;
+        var go = new GameObject(nameof(SongDataLibrary));
+        Object.DontDestroyOnLoad(go);
+        go.AddComponent<SongDataLibrary>();
+    }
+
     // Documentation text normalized.
     // Documentation text normalized.
     public string[] subfolderNames;

Assets/songsDatabase/SongDataLoader.cs

@@ -1,3 +1,4 @@
+using System.Collections;
 using System.Collections.Generic;
 using System.IO;
 using UnityEngine;
@@ -6,23 +7,25 @@ public class SongDataLoader : MonoBehaviour
 {
     private string jsonDirectory;
     public List<SongDataSerializable> loadedSongs = new List<SongDataSerializable>();
+    [SerializeField] private int _yieldEveryNFiles = 5;
 
     void Start()
     {
         jsonDirectory = Path.Combine(Application.persistentDataPath, "SongDataJson");
-        LoadAllSongsFromJson();
+        StartCoroutine(LoadAllSongsFromJsonRoutine());
     }
 
-    void LoadAllSongsFromJson()
+    IEnumerator LoadAllSongsFromJsonRoutine()
     {
         if (!Directory.Exists(jsonDirectory))
         {
             Debug.LogError("JSON �ļ��в����ڣ�");
-            return;
+            yield break;
         }
 
         loadedSongs.Clear();
-        string[] jsonFiles = Directory.GetFiles(jsonDirectory, "*.json");
+        IEnumerable<string> jsonFiles = Directory.EnumerateFiles(jsonDirectory, "*.json");
+        int counter = 0;
 
         foreach (string file in jsonFiles)
         {
@@ -31,6 +34,9 @@ public class SongDataLoader : MonoBehaviour
             loadedSongs.Add(jsonData);
             // 由于 SongDataSerializable 现在只存储动态分数，不再包含 songName
             Debug.Log($"Loaded persistent song data from: {Path.GetFileName(file)}");
+            counter++;
+            if (_yieldEveryNFiles > 0 && counter % _yieldEveryNFiles == 0)
+                yield return null;
         }
     }
 }