i hate u github 2

Author: AlejoGDOfficial

source/core/backend/MusicBeatSubState.hx

@@ -0,0 +1,124 @@
+package core.backend;
+
+import flixel.FlxSubState;
+
+class MusicBeatSubState extends FlxSubState
+{
+	public function new()
+	{
+		super();
+	}
+
+	private var curSection:Int = 0;
+	private var stepsToDo:Int = 0;
+
+	private var lastBeat:Float = 0;
+	private var lastStep:Float = 0;
+
+	private var curStep:Int = 0;
+	private var curBeat:Int = 0;
+
+	private var curDecStep:Float = 0;
+	private var curDecBeat:Float = 0;
+	private var controls(get, never):Controls;
+
+	inline function get_controls():Controls
+		return Controls.instance;
+
+	override function update(elapsed:Float)
+	{
+		//everyStep();
+		if(!persistentUpdate) MusicBeatState.timePassedOnState += elapsed;
+		var oldStep:Int = curStep;
+
+		updateCurStep();
+		updateBeat();
+
+		if (oldStep != curStep)
+		{
+			if(curStep > 0)
+				stepHit();
+
+			if(PlayState.SONG != null)
+			{
+				if (oldStep < curStep)
+					updateSection();
+				else
+					rollbackSection();
+			}
+		}
+
+		super.update(elapsed);
+	}
+
+	private function updateSection():Void
+	{
+		if(stepsToDo < 1) stepsToDo = Math.round(getBeatsOnSection() * 4);
+		while(curStep >= stepsToDo)
+		{
+			curSection++;
+			var beats:Float = getBeatsOnSection();
+			stepsToDo += Math.round(beats * 4);
+			sectionHit();
+		}
+	}
+
+	private function rollbackSection():Void
+	{
+		if(curStep < 0) return;
+
+		var lastSection:Int = curSection;
+		curSection = 0;
+		stepsToDo = 0;
+		for (i in 0...PlayState.SONG.notes.length)
+		{
+			if (PlayState.SONG.notes[i] != null)
+			{
+				stepsToDo += Math.round(getBeatsOnSection() * 4);
+				if(stepsToDo > curStep) break;
+				
+				curSection++;
+			}
+		}
+
+		if(curSection > lastSection) sectionHit();
+	}
+
+	private function updateBeat():Void
+	{
+		curBeat = Math.floor(curStep / 4);
+		curDecBeat = curDecStep/4;
+	}
+
+	private function updateCurStep():Void
+	{
+		var lastChange = Conductor.getBPMFromSeconds(Conductor.songPosition);
+
+		var shit = ((Conductor.songPosition - ClientPrefs.data.noteOffset) - lastChange.songTime) / lastChange.stepCrochet;
+		curDecStep = lastChange.stepTime + shit;
+		curStep = lastChange.stepTime + Math.floor(shit);
+	}
+
+	public function stepHit():Void
+	{
+		if (curStep % 4 == 0)
+			beatHit();
+	}
+
+	public function beatHit():Void
+	{
+		//do literally nothing dumbass
+	}
+	
+	public function sectionHit():Void
+	{
+		//yep, you guessed it, nothing again, dumbass
+	}
+	
+	function getBeatsOnSection()
+	{
+		var val:Null<Float> = 4;
+		if(PlayState.SONG != null && PlayState.SONG.notes[curSection] != null) val = PlayState.SONG.notes[curSection].sectionBeats;
+		return val == null ? 4 : val;
+	}
+}