From bf475d9bd3b07eb2d207678c4bbf7410b7d35213 Mon Sep 17 00:00:00 2001
From: lunarcleint <88809950+lunarcleint@users.noreply.github.com>
Date: Mon, 21 Aug 2023 21:00:55 -0700
Subject: [PATCH] adsgfasdg

---
 .../funkin/editors/charter/ChartHoverNote.hx  | 66 +++++++++++++++++++
 source/funkin/editors/charter/Charter.hx      | 20 ++++--
 2 files changed, 82 insertions(+), 4 deletions(-)
 create mode 100644 source/funkin/editors/charter/ChartHoverNote.hx

diff --git a/source/funkin/editors/charter/ChartHoverNote.hx b/source/funkin/editors/charter/ChartHoverNote.hx
new file mode 100644
index 00000000..d3eee237
--- /dev/null
+++ b/source/funkin/editors/charter/ChartHoverNote.hx
@@ -0,0 +1,66 @@
+package funkin.editors.charter;
+
+import flixel.tweens.misc.VarTween;
+import flixel.tweens.FlxTween;
+
+class ChartHoverNote extends UISprite {
+	public var angleTween:FlxTween;
+
+	public var onGrid:Bool = false;
+	public var id:Int = 0;
+	public var nextID:Int = 0;
+
+	public function new() {
+		super();
+		antialiasing = true;
+		loadGraphic(Paths.image('editors/charter/note'), true, 157, 154);
+		animation.add("note", [for(i in 0...frames.frames.length) i], 0, true);
+		animation.play("note");
+		this.setUnstretchedGraphicSize(40, 40, false);
+
+		moves = selectable = false;
+		colorTransform.color = 0xFFFFFF;
+	}
+
+	public override function update(elapsed:Float) {
+		super.update(elapsed);
+
+		var mousePos = FlxG.mouse.getWorldPosition(__lastDrawCameras[0]);
+		alpha = FlxMath.lerp(alpha, onGrid ? 0.2 : 0, 1/8);
+		id = Math.floor(x / 40);
+
+		if (onGrid) {
+			Charter.instance.gridBackdropDummy.cursor = BUTTON;
+			x = (nextID = Math.floor(mousePos.x / 40)) * 40;
+			y = (FlxG.keys.pressed.SHIFT ? (mousePos.y / 40) : Math.floor(mousePos.y / 40)) * 40;
+
+			if (id != nextID) {
+				if (angleTween != null) angleTween.cancel();
+
+				angle = switch(id % 4) {
+					case 0: -90;
+					case 1: 180;
+					case 2: 0;
+					case 3: 90;
+					default: 0; // how is that even possible
+				};
+				
+				var destAngle = switch((nextID % 4)) {
+					case 0: -90;
+					case 1: 180;
+					case 2: 0;
+					case 3: 90;
+					default: 0; // how is that even possible
+				};
+
+				angleTween = FlxTween.tween(this, {angle: destAngle}, 2/3, {ease: function(t) {
+					return ((Math.sin(t * Math.PI) * 0.35) * 3 * t * Math.sqrt(1 - t)) + t;
+				}, onComplete: function (t) {angleTween = null;}});
+			}
+		} else if (alpha > 0) {
+			Charter.instance.gridBackdropDummy.cursor = ARROW;
+			x = mousePos.x - 20; y = mousePos.y -20;
+		}
+		mousePos.put();
+	}
+}
\ No newline at end of file
diff --git a/source/funkin/editors/charter/Charter.hx b/source/funkin/editors/charter/Charter.hx
index 20c8c05d..13f909f6 100644
--- a/source/funkin/editors/charter/Charter.hx
+++ b/source/funkin/editors/charter/Charter.hx
@@ -55,6 +55,7 @@ class Charter extends UIState {
 	public var topLimit:FlxSprite;
 	public var bottomLimit:FlxSprite;
 	public var bottomSeparator:FlxSprite;
+	public var hoverNote:ChartHoverNote;
 
 	public var strumlineInfoBG:FlxSprite;
 	public var strumlineAddButton:CharterStrumlineExtraButton;
@@ -342,6 +343,9 @@ class Charter extends UIState {
 		eventsBackdrop.cameras = [charterCamera];
 		add(eventsBackdrop);
 
+		hoverNote = new ChartHoverNote();
+		hoverNote.cameras = [charterCamera];
+
 		add(gridBackdropDummy = new CharterBackdropDummy(gridBackdrop));
 		sectionSeparator = new FlxBackdrop(null, Y, 0, 0);
 		sectionSeparator.x = -20;
@@ -421,6 +425,7 @@ class Charter extends UIState {
 
 		// adds grid and notes so that they're ALWAYS behind the UI
 		add(gridBackdrop);
+		add(hoverNote);
 		add(sectionSeparator);
 		add(beatSeparator);
 		add(addEventSpr);
@@ -549,6 +554,7 @@ class Charter extends UIState {
 		if (!gridBackdropDummy.hoveredByChild && !FlxG.mouse.pressed)
 			gridActionType = NONE;
 		selectionBox.visible = false;
+		hoverNote.onGrid = false;
 		switch(gridActionType) {
 			case BOX:
 				if (gridBackdropDummy.hoveredByChild) {
@@ -625,19 +631,25 @@ class Charter extends UIState {
 
 			case NONE:
 				if (FlxG.mouse.justPressed)
-					FlxG.mouse.getWorldPosition(charterCamera, dragStartPos);
+					FlxG.mouse.getWorldPosition(charterCamera, dragStartPos); 
+
+				hoverNote.visible = hoveredSprite != null ? hoveredSprite is CharterNote : true;
+
 				if (gridBackdropDummy.hovered) {
 					// AUTO DETECT
 					if (FlxG.mouse.pressed && (Math.abs(mousePos.x - dragStartPos.x) > 20 || Math.abs(mousePos.y - dragStartPos.y) > 20))
 						gridActionType = BOX;
 
+					var id = Math.floor(mousePos.x / 40);
+					var mouseOnGrid = id >= 0 && id < 4 * gridBackdrop.strumlinesAmount && mousePos.y >= 0;
+	
+					hoverNote.onGrid = mouseOnGrid;
+
 					if (FlxG.mouse.justReleased) {
 						if (selection.length > 1) {
 							selection = []; // clear selection
 						} else {
-							// place note
-							var id = Math.floor(mousePos.x / 40);
-							if (id >= 0 && id < 4 * gridBackdrop.strumlinesAmount && mousePos.y >= 0) {
+							if (mouseOnGrid) {
 								var note = new CharterNote();
 								note.updatePos(FlxG.keys.pressed.SHIFT ? (mousePos.y / 40) : Math.floor(mousePos.y / 40), id, 0, 0);
 								notesGroup.add(note);