[+] toggle the display of self-made charts

AquaMai/Helpers/MusicDirHelper.cs

@@ -0,0 +1,34 @@
+using System.Collections.Generic;
+using System.Diagnostics;
+using HarmonyLib;
+using Manager;
+using MelonLoader;
+
+namespace AquaMai.Helpers;
+
+public class MusicDirHelper
+{
+    private static Dictionary<int, string> _map = new();
+
+    [HarmonyPostfix]
+    [HarmonyPatch(typeof(Manager.MaiStudio.Serialize.MusicData), "AddPath")]
+    private static void AddPath(Manager.MaiStudio.Serialize.MusicData __instance, string parentPath)
+    {
+        _map[__instance.GetID()] = parentPath;
+    }
+
+    public static string LookupPath(int id)
+    {
+        return _map.GetValueOrDefault(id);
+    }
+
+    public static string LookupPath(Manager.MaiStudio.Serialize.MusicData musicData)
+    {
+        return LookupPath(musicData.GetID());
+    }
+
+    public static string LookupPath(Manager.MaiStudio.MusicData musicData)
+    {
+        return LookupPath(musicData.GetID());
+    }
+}