charting tool WIP shit

source/ChartingState.hx

@@ -1,8 +1,10 @@
 package;
 
 import flixel.FlxG;
+import flixel.FlxSprite;
 import flixel.FlxState;
 import flixel.group.FlxGroup.FlxTypedGroup;
+import flixel.text.FlxText;
 import flixel.ui.FlxButton;
 import flixel.ui.FlxSpriteButton;
 import flixel.util.FlxColor;
@@ -16,11 +18,18 @@ import openfl.net.FileReference;
 class ChartingState extends MusicBeatState
 {
 	var _file:FileReference;
-	var sequencer:FlxTypedGroup<FlxSpriteButton>;
+	var sequencer:FlxTypedGroup<DisplayNote>;
 	var notes:Array<Dynamic> = [];
+	var bpmTxt:FlxText;
+
+	var strumLine:FlxSprite;
 
 	override function create()
 	{
+		FlxG.sound.playMusic('assets/music/Fresh.mp3', 0.6);
+		FlxG.sound.music.pause();
+		Conductor.changeBPM(120);
+
 		var saveButton:FlxButton = new FlxButton(0, 0, "Save", function()
 		{
 			saveLevel();
@@ -28,6 +37,12 @@ class ChartingState extends MusicBeatState
 		saveButton.screenCenter();
 		add(saveButton);
 
+		bpmTxt = new FlxText(20, 20);
+		add(bpmTxt);
+
+		strumLine = new FlxSprite(0, 50).makeGraphic(Std.int(FlxG.width / 2), 4);
+		add(strumLine);
+
 		createStepChart();
 
 		super.create();
@@ -35,20 +50,24 @@ class ChartingState extends MusicBeatState
 
 	function createStepChart()
 	{
-		sequencer = new FlxTypedGroup<FlxSpriteButton>();
+		sequencer = new FlxTypedGroup<DisplayNote>();
 		add(sequencer);
 
-		for (r in 0...2)
+		for (r in 0...4)
 		{
 			notes.push([]);
 			for (i in 0...16)
 			{
 				notes[r].push(false);
-				var seqBtn:FlxSpriteButton = new FlxSpriteButton((35 * r) + 10, (35 * i) + 50, null, function()
+				var seqBtn:DisplayNote = new DisplayNote((35 * r) + 10, (35 * i) + 50, null, function()
 				{
-					notes[r][i] = !notes[r][i];
+					if (notes[r][i] == 0)
+						notes[r][i] = 1;
+					else
+						notes[r][i] = 0;
 				});
 
+				seqBtn.strumTime = Conductor.stepCrochet * i;
 				seqBtn.makeGraphic(30, 30, FlxColor.WHITE);
 				seqBtn.ID = i + (16 * r);
 				sequencer.add(seqBtn);
@@ -58,17 +77,51 @@ class ChartingState extends MusicBeatState
 
 	override function update(elapsed:Float)
 	{
-		sequencer.forEach(function(spr:FlxSpriteButton)
+		Conductor.songPosition = FlxG.sound.music.time;
+
+		if (FlxG.sound.music.playing)
 		{
-			if (notes[Std.int(spr.ID / 16)][spr.ID % 16])
+		}
+		else
+		{
+			if (FlxG.keys.pressed.W)
+				FlxG.sound.music.time -= 900 * FlxG.elapsed;
+			if (FlxG.keys.pressed.S)
+				FlxG.sound.music.time += 900 * FlxG.elapsed;
+		}
+
+		if (FlxG.keys.justPressed.SPACE)
+		{
+			if (FlxG.sound.music.playing)
+			{
+				FlxG.sound.music.pause();
+			}
+			else
+				FlxG.sound.music.play();
+		}
+
+		if (FlxG.keys.justPressed.UP)
+			Conductor.changeBPM(Conductor.bpm + 1);
+		if (FlxG.keys.justPressed.DOWN)
+			Conductor.changeBPM(Conductor.bpm - 1);
+
+		bpmTxt.text = "BPM: " + Conductor.bpm;
+
+		sequencer.forEach(function(spr:DisplayNote)
+		{
+			if (notes[Std.int(spr.ID / 16)][spr.ID % 16] != 0)
 				spr.alpha = 1;
 			else
 				spr.alpha = 0.5;
+
+			spr.y = (strumLine.y - (Conductor.songPosition - spr.strumTime) * daSpacing);
 		});
 
 		super.update(elapsed);
 	}
 
+	private var daSpacing:Float = 0.3;
+
 	private function saveLevel()
 	{
 		var json = {

source/DisplayNote.hx

@@ -0,0 +1,14 @@
+package;
+
+import flixel.FlxSprite;
+import flixel.ui.FlxSpriteButton;
+
+class DisplayNote extends FlxSpriteButton
+{
+	public var strumTime:Float = 0;
+
+	public function new(x:Float, y:Float, label:FlxSprite, onClick:Void->Void)
+	{
+		super(x, y, label, onClick);
+	}
+}