[BUGFIX] Make Chart Editor load song variation scripts

source/funkin/data/BaseRegistry.hx

@@ -157,7 +157,7 @@ abstract class BaseRegistry<T:(IRegistryEntry<J> & Constructible<EntryConstructo
    * @param id The ID of the entry.
    * @return `true` if the entry has an attached script, `false` otherwise.
    */
-  public function isScriptedEntry(id:String):Bool
+  public function isScriptedEntry(id:String, ?params:Null<P>):Bool
   {
     return scriptedEntryIds.exists(id);
   }
@@ -167,7 +167,7 @@ abstract class BaseRegistry<T:(IRegistryEntry<J> & Constructible<EntryConstructo
    * @param id The ID of the entry.
    * @return The class name, or `null` if it does not exist.
    */
-  public function getScriptedEntryClassName(id:String):Null<String>
+  public function getScriptedEntryClassName(id:String, ?params:Null<P>):Null<String>
   {
     return scriptedEntryIds.get(id);
   }

source/funkin/data/song/SongRegistry.hx

@@ -129,6 +129,29 @@ using funkin.data.song.migrator.SongDataMigrator;
     return parseEntryMetadataRaw(contents);
   }
 
+  public override function isScriptedEntry(id:String, ?params:Null<SongEntryParams>)
+  {
+    var variation:String = params?.variation ?? Constants.DEFAULT_VARIATION;
+    if (variation != Constants.DEFAULT_VARIATION)
+    {
+      return scriptedSongVariations.exists('${id}:${variation}');
+    }
+    return super.isScriptedEntry(id, params);
+  }
+
+  public override function getScriptedEntryClassName(id:String, ?params:Null<SongEntryParams>):Null<String>
+  {
+    var variation:String = params?.variation ?? Constants.DEFAULT_VARIATION;
+    if (variation != Constants.DEFAULT_VARIATION)
+    {
+      final variationSongId:ScriptedSong = cast scriptedSongVariations.get('${id}:${variation}');
+      @:privateAccess
+      var path:String = variationSongId._asc._c.name;
+      return path;
+    }
+    return super.getScriptedEntryClassName(id, params);
+  }
+
   /**
    * We override `fetchEntry` to handle song variations!
    */

source/funkin/play/song/Song.hx

@@ -193,15 +193,15 @@ class Song implements IPlayStateScriptedClass implements IRegistryEntry<SongMeta
    * @param validScore Whether the song is elegible for highscores.
    * @return The constructed song object.
    */
-  public static function buildRaw(songId:String, metadata:Array<SongMetadata>, variations:Array<String>, charts:Map<String, SongChartData>,
-      includeScript:Bool = true, validScore:Bool = false):Song
+  public static function buildRaw(songId:String, metadata:Array<SongMetadata>, variation:String, charts:Map<String, SongChartData>, includeScript:Bool = true,
+      validScore:Bool = false):Song
   {
     @:privateAccess
     var result:Null<Song> = null;
 
-    if (includeScript && SongRegistry.instance.isScriptedEntry(songId))
+    if (includeScript && SongRegistry.instance.isScriptedEntry(songId, {variation: variation}))
     {
-      var songClassName:Null<String> = SongRegistry.instance.getScriptedEntryClassName(songId);
+      var songClassName:Null<String> = SongRegistry.instance.getScriptedEntryClassName(songId, {variation: variation});
       @:privateAccess
       if (songClassName != null) result = SongRegistry.instance.createScriptedEntry(songClassName);
     }

source/funkin/ui/debug/charting/ChartEditorState.hx

@@ -6202,7 +6202,7 @@ class ChartEditorState extends UIState // UIState derives from MusicBeatState
     var targetSong:Song;
     try
     {
-      targetSong = Song.buildRaw(currentSongId, songMetadata.values(), availableVariations, songChartData, playtestSongScripts, false);
+      targetSong = Song.buildRaw(currentSongId, songMetadata.values(), selectedVariation, songChartData, playtestSongScripts, false);
     }
     catch (e)
     {

source/funkin/util/file/FNFCUtil.hx

@@ -195,7 +195,7 @@ class FNFCUtil
     }
 
     // Combine into a Song object that can be played in PlayState.
-    var song = Song.buildRaw(songId, songMetadatas.values(), variationList, songChartDatas, false, false);
+    var song = Song.buildRaw(songId, songMetadatas.values(), Constants.DEFAULT_VARIATION, songChartDatas, false, false);
 
     return song;
   }