make healthbar be UI skin dependant

also made some changes to titlescreen n stuff, just so I don't use a dynamic object (typedef) and instead use a class.

source/funkin/objects/PlayField.hx

@@ -67,7 +67,11 @@ class PlayField extends FlxGroup {
 
 		final hbY:Float = Settings.downScroll ? FlxG.height * 0.1 : FlxG.height * 0.875;
 
-		add(healthBar = new ProgressBar(0, hbY, "images/ui/normal/healthBar"));
+    var hbPath:String = 'images/ui/${skin}/healthBar';
+    if (!Tools.fileExists(AssetHelper.getPath(hbPath, IMAGE)))
+        hbPath = hbPath.replace(skin, "normal");
+
+		add(healthBar = new ProgressBar(0, hbY, hbPath));
 		healthBar.screenCenter(X);
 
 		add(iconP1 = new HealthIcon(PlayState.current?.player?.icon ?? "face", true));

source/funkin/states/PlayState.hx

@@ -474,15 +474,15 @@ class PlayState extends FNFState {
 	}
 
 	override function onStep(step:Int):Void {
-		var soundTime:Float = vocals.time / 1000.0;
+		final soundTime:Float = vocals.time / 1000.0;
 		if (Math.abs(Conductor.time - soundTime) > 20.0)
 			vocals.time = FlxG.sound.music.time;
 		callFunPack("onStep", [step]);
 	}
 
 	override function onBar(bar:Int):Void {
-		for (contextNames in ["onBar", "onSection", "onMeasure"])
-			callFunPack(contextNames, [bar]);
+    final names:Array<String> = ["onBar", "onSection", "onMeasure"];
+		for (contextNames in names) callFunPack(contextNames, [bar]);
 	}
 
 	function doDancersDance(beat:Int, ?forced:Bool = false):Void {

source/funkin/states/menus/TitleScreen.hx

@@ -8,8 +8,8 @@ import forever.display.ForeverSprite;
 import funkin.states.base.FNFState;
 import funkin.ui.Alphabet;
 
-typedef IntroTextSection = {
-	public var exec:String;
+@:structInit class IntroTextSection {
+	public var exec:String; // TODO: make this a void but let YAML still use it as string
 	@:optional public var beat:Int;
 	@:optional public var text:String;
 	@:optional public var force:Bool;
@@ -42,15 +42,13 @@ class TitleScreen extends FNFState {
 			final introData = AssetHelper.parseAsset("data/titleScreen", YAML);
 			if (introData.introSections != null) {
 				introSections = [];
+
 				final dataArray:Array<Dynamic> = introData.introSections;
 				for (i in dataArray) {
-					if (i.exec == null)
-						continue;
+					if (i.exec == null) continue;
 					introSections.push({
-						beat: i.beat,
-						step: i.step,
-						text: i.text,
-						exec: i.exec,
+						beat: i.beat, step: i.step,
+						text: i.text, exec: i.exec,
 						force: i.force
 					});
 				}
@@ -152,18 +150,14 @@ class TitleScreen extends FNFState {
 			gfBopped = !gfBopped;
 		}
 
-		if (seenIntro)
-			return;
-
+		if (seenIntro) return;
 		for (i in 0...introSections.length)
 			if (introSections[i].beat == beat)
 				parseIntroEvent(introSections[i]);
 	}
 
 	override function onStep(step:Int):Void {
-		if (seenIntro)
-			return;
-
+		if (seenIntro) return;
 		for (i in 0...introSections.length)
 			if (introSections[i].step == step)
 				parseIntroEvent(introSections[i]);