chart version tag

source/funkin/backend/chart/Chart.hx

@@ -17,6 +17,8 @@ final class Chart {
 	 */
 	public inline static var defaultColor:FlxColor = 0xFF9271FD;
 
+	public static final version:String = "1.6.0";
+
 	public static function loadEventsJson(songName:String) {
 		var path = Paths.file('songs/${songName.toLowerCase()}/events.json');
 		var data:Array<ChartEvent> = null;

source/funkin/backend/chart/ChartData.hx

@@ -11,6 +11,7 @@ typedef ChartData = {
 	public var scrollSpeed:Float;
 	public var noteTypes:Array<String>;
 
+	public var ?chartVersion:String;
 	public var ?fromMods:Bool;
 }
 

source/funkin/editors/charter/Charter.hx

@@ -1818,6 +1818,7 @@ class Charter extends UIState {
 	public function buildChart() {
 		PlayState.SONG.strumLines = [];
 		PlayState.SONG.noteTypes = this.noteTypes;
+		PlayState.SONG.chartVersion = Chart.version;
 		for(s in strumLines) {
 			s.strumLine.notes = [];
 			PlayState.SONG.strumLines.push(s.strumLine);