From 6eb90995773a61c74538c5e625ce0befafe5aefe Mon Sep 17 00:00:00 2001
From: lunarcleint <88809950+lunarcleint@users.noreply.github.com>
Date: Tue, 19 Sep 2023 20:33:19 -0700
Subject: [PATCH] acuttaly cant belive this

---
 source/funkin/editors/charter/Charter.hx     | 19 ++++++++++---------
 source/funkin/editors/charter/CharterNote.hx |  4 ++--
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/source/funkin/editors/charter/Charter.hx b/source/funkin/editors/charter/Charter.hx
index e969385f..12d7c23b 100644
--- a/source/funkin/editors/charter/Charter.hx
+++ b/source/funkin/editors/charter/Charter.hx
@@ -1212,16 +1212,17 @@ class Charter extends UIState {
 	function changeNoteSustain(change:Float) {
 		if (selection.length <= 0 || change == 0) return;
 
-		undos.addToUndo(CEditSustains([
-			for(s in selection) {
-				if (s is CharterNote) {
-					var n:CharterNote = cast(s, CharterNote);
-					var old:Float = n.susLength;
-					n.updatePos(n.step, n.id, Math.max(n.susLength + change, 0));
-					{before: old, after: n.susLength, note: n};
-				}
+		var undoChanges:Array<NoteSustainChange> = [];
+		for(s in selection) {
+			if (s is CharterNote) {
+				var n:CharterNote = cast(s, CharterNote);
+				var old:Float = n.susLength;
+				n.updatePos(n.step, n.id, Math.max(n.susLength + change, 0));
+				undoChanges.push({before: old, after: n.susLength, note: n});
 			}
-		]));
+		}
+
+		undos.addToUndo(CEditSustains(undoChanges));
 	}
 
 	public function playtestChart(time:Float = 0, opponentMode = false, here = false) {
diff --git a/source/funkin/editors/charter/CharterNote.hx b/source/funkin/editors/charter/CharterNote.hx
index 0b2fd10e..5156ebdd 100644
--- a/source/funkin/editors/charter/CharterNote.hx
+++ b/source/funkin/editors/charter/CharterNote.hx
@@ -64,12 +64,12 @@ class CharterNote extends UISprite implements ICharterSelectable {
 	public function get_fullID():Int
 		return (strumLineID * 4) + id;
 
-	public function updatePos(step:Float, id:Int, susLength:Float = 0, ?type:Int = 0, ?strumLine:CharterStrumline) {
+	public function updatePos(step:Float, id:Int, susLength:Float = 0, ?type:Int = 0, ?strumLine:CharterStrumline = null) {
 		this.step = step;
 		this.id = id;
 		this.susLength = susLength;
 		this.type = type;
-		this.strumLine = strumLine;
+		if (strumLine != null) this.strumLine = strumLine;
 		y = step * 40;
 
 		sustainSpr.scale.set(10, (40 * susLength));