From e585de7db5918db5e43cd4588b801ec661d1e228 Mon Sep 17 00:00:00 2001
From: Ralty <78720179+Raltyro@users.noreply.github.com>
Date: Thu, 18 Dec 2025 17:20:12 +0700
Subject: [PATCH] Fix Sustain Miss As One Note

---
 source/funkin/game/Note.hx      |  4 ++--
 source/funkin/game/PlayState.hx | 21 ++++++++++++++-------
 source/funkin/game/StrumLine.hx | 28 +++-------------------------
 3 files changed, 19 insertions(+), 34 deletions(-)

diff --git a/source/funkin/game/Note.hx b/source/funkin/game/Note.hx
index bea0e4da..4d1b5d6c 100644
--- a/source/funkin/game/Note.hx
+++ b/source/funkin/game/Note.hx
@@ -113,8 +113,8 @@ class Note extends FlxSprite
 
 	public var animSuffix:String = null;
 
-	public var tripTimer:Float = 0; // ranges from 0 to 1
-
+	// Deprecated?
+	@:dox(hide) public var tripTimer:Float = 0; // ranges from 0 to 1
 
 	private static function customTypePathExists(path:String) {
 		if (__customNoteTypeExists.exists(path))
diff --git a/source/funkin/game/PlayState.hx b/source/funkin/game/PlayState.hx
index f3838462..83d669d4 100644
--- a/source/funkin/game/PlayState.hx
+++ b/source/funkin/game/PlayState.hx
@@ -1833,18 +1833,25 @@ class PlayState extends MusicBeatState
 	 */
 	public function noteMiss(strumLine:StrumLine, note:Note, ?direction:Int, ?player:Int):Void
 	{
-		var playerID:Null<Int> = note == null ? player : strumLines.members.indexOf(strumLine);
-		var directionID:Null<Int> = note == null ? direction : note.strumID;
+		var hasNote:Bool = note != null;
+		var playerID:Null<Int> = hasNote ? strumLines.members.indexOf(strumLine) : player;
+		var directionID:Null<Int> = hasNote ? note.strumID : direction;
 		if (playerID == null || directionID == null || playerID == -1) return;
 
-		if (Flags.SUSTAINS_AS_ONE_NOTE) {
-			if (note != null ? (note.isSustainNote && note.prevNote != null && note.prevNote.isSustainNote && !note.prevNote.wasGoodHit) : false) {
+		if (hasNote) {
+			if (Flags.SUSTAINS_AS_ONE_NOTE && note.isSustainNote) {
 				strumLine.deleteNote(note);
-				return;
+				if (note.sustainParent.wasGoodHit) {
+					note.sustainParent.wasGoodHit = false;
+					note.sustainParent.tooLate = true;
+					note = note.sustainParent;
+				}
+				else
+					return;
 			}
 		}
 
-		var event:NoteMissEvent = gameAndCharsEvent("onPlayerMiss", EventManager.get(NoteMissEvent).recycle(note, -10, 1, muteVocalsOnMiss, note != null ? ((note.isSustainNote && Flags.SUSTAINS_AS_ONE_NOTE) ? -0.1425 : -0.0475) : -0.04, Paths.sound(FlxG.random.getObject(Flags.DEFAULT_MISS_SOUNDS)), FlxG.random.float(0.1, 0.2), note == null, combo > 5, "sad", true, true, "miss", strumLines.members[playerID].characters, playerID, note != null ? note.noteType : null, directionID, 0));
+		var event:NoteMissEvent = gameAndCharsEvent("onPlayerMiss", EventManager.get(NoteMissEvent).recycle(note, -10, 1, muteVocalsOnMiss, hasNote ? ((note.isSustainNote && Flags.SUSTAINS_AS_ONE_NOTE) ? -0.1425 : -0.0475) : -0.04, Paths.sound(FlxG.random.getObject(Flags.DEFAULT_MISS_SOUNDS)), FlxG.random.float(0.1, 0.2), !hasNote, combo > 5, "sad", true, true, "miss", strumLines.members[playerID].characters, playerID, hasNote ? note.noteType : null, directionID, 0));
 		strumLine.onMiss.dispatch(event);
 		if (event.cancelled) {
 			gameAndCharsEvent("onPostPlayerMiss", event);
@@ -1883,7 +1890,7 @@ class PlayState extends MusicBeatState
 			}
 		}
 
-		if (event.deleteNote && strumLine != null && note != null)
+		if (event.deleteNote && strumLine != null && hasNote)
 			strumLine.deleteNote(note);
 
 		gameAndCharsEvent("onPostPlayerMiss", event);
diff --git a/source/funkin/game/StrumLine.hx b/source/funkin/game/StrumLine.hx
index 8945c7d5..a6211fec 100644
--- a/source/funkin/game/StrumLine.hx
+++ b/source/funkin/game/StrumLine.hx
@@ -241,20 +241,8 @@ class StrumLine extends FlxTypedGroup<Strum> {
 		if (__updateNote_event.strum == null) return;
 		if (__updateNote_event.__reposNote) __updateNote_event.strum.updateNotePosition(daNote);
 
-
-		if (daNote.isSustainNote)
-		{
+		if (daNote.isSustainNote) {
 			daNote.updateSustain(__updateNote_event.strum);
-
-			if (daNote.tripTimer > 0 && daNote.tailCount > 3)
-			{
-				daNote.tripTimer -= 0.05 / daNote.sustainLength;
-				if (daNote.tripTimer <= 0)
-				{
-					daNote.tripTimer = 0;
-					daNote.canBeHit = false;
-				}
-			}
 		}
 	}
 
@@ -264,14 +252,7 @@ class StrumLine extends FlxTypedGroup<Strum> {
 	var __notePerStrum:Array<Note> = [];
 
 	function __inputProcessPressed(note:Note) {
-		if (__pressed[note.strumID] && note.isSustainNote && note.strumTime < __updateNote_songPos && !note.wasGoodHit) {
-			note.tripTimer = 1;
-			PlayState.instance.goodNoteHit(this, note);
-		}
-	}
-	function __inputProcessPressedOne(note:Note) {
-		if (__pressed[note.strumID] && note.isSustainNote && note.sustainParent != null && note.prevNote != null && note.prevNote.wasGoodHit && note.strumTime < __updateNote_songPos && !note.wasGoodHit) {
-			note.tripTimer = 1;
+		if (__pressed[note.strumID] && note.isSustainNote && note.sustainParent.wasGoodHit && note.strumTime < __updateNote_songPos && !note.wasGoodHit) {
 			PlayState.instance.goodNoteHit(this, note);
 		}
 	}
@@ -338,10 +319,7 @@ class StrumLine extends FlxTypedGroup<Strum> {
 				if (c.lastAnimContext != DANCE)
 					c.__lockAnimThisFrame = true;
 
-			if (Flags.SUSTAINS_AS_ONE_NOTE)
-				notes.forEachAlive(__inputProcessPressedOne);
-			else
-				notes.forEachAlive(__inputProcessPressed);
+			notes.forEachAlive(__inputProcessPressed);
 		}
 
 		forEach(function(str:Strum) {