new chart system implementation progress

source/funkin/utils/CoolUtil.hx

@@ -24,6 +24,7 @@ import flixel.util.FlxAxes;
 import flixel.graphics.frames.FlxFrame;
 import flixel.graphics.frames.FlxFramesCollection;
 import flash.geom.ColorTransform;
+import funkin.chart.Chart;
 
 using StringTools;
 
@@ -294,7 +295,8 @@ class CoolUtil
 	public static function __loadSong(name:String, difficulty:String) {
 		PlayState.difficulty = difficulty;
 
-		PlayState.SONG = Song.loadFromJson(name, difficulty);
+		PlayState.SONG = Chart.parse(name, difficulty);
+		PlayState.fromMods = PlayState.SONG.fromMods;
 	}
 	public static function setSpriteSize(sprite:FlxSprite, width:Float, height:Float) {
 		sprite.scale.set(width / sprite.frameWidth, height / sprite.frameHeight);

source/funkin/utils/FlxInterpolateColor.hx

@@ -3,6 +3,10 @@ package funkin.utils;
 import flixel.FlxG;
 import flixel.util.FlxColor;
 
+/**
+ * Additional class for FlxColor lerping.
+ * Gets rid of precision issues with `FlxColor.interpolate`
+ */
 class FlxInterpolateColor {
     public var red:Float = 0;
     public var green:Float = 0;