feat: implement Blacklist

Blacklist/Blacklist.csproj

@@ -0,0 +1,7 @@
+<Project>
+  <PropertyGroup>
+    <AssemblyName>Assembly-CSharp.Blacklist.mm</AssemblyName>
+    <Description>Block custom charts from being uploaded</Description>
+  </PropertyGroup>
+  <Import Project="..\Mu3Mods.csproj" />
+</Project>

Blacklist/MU3.User/patch_UserManager.cs

@@ -0,0 +1,28 @@
+using MU3.DataStudio;
+
+namespace MU3.User;
+class patch_UserManager: UserManager {
+    private bool _loadedBlacklistData = false;
+    private int _blacklistMin = -1;
+    private int _blacklistMax = -1;
+    public extern UserFumen orig_getUserFumen(int musicId, FumenDifficulty difficulty, bool create);
+    public new UserFumen getUserFumen(int musicId, FumenDifficulty difficulty, bool create) {
+        if(!_loadedBlacklistData) {
+            loadBlacklistData();
+        }
+        if(musicId >= _blacklistMin && musicId <= _blacklistMax) {
+            return null;
+        } else {
+            return orig_getUserFumen(musicId, difficulty, create);
+        }
+    }
+
+    private void loadBlacklistData() {
+        using IniFile iniFile = new("mu3.ini");
+
+        _blacklistMin = iniFile.getIntValue("Extra", "BlacklistMin", 10000);
+        _blacklistMax = iniFile.getIntValue("Extra", "BlacklistMax", 19999);
+
+        _loadedBlacklistData = true;
+    }
+}

InfiniteGP/MU3/patch_UICredit.cs

@@ -53,8 +53,7 @@ class patch_UICredit: UICredit {
             groupIcon_.image.rectTransform.pivot = new Vector2(0f, 0.5f);
         }
 
-        if (iniFile.getValue("Extra", "HideVersion", true))
-        {
+        if(iniFile.getValue("Extra", "HideVersion", true)) {
             version_.transform.localScale = new Vector3(0, 0, 0);
         }
     }