From 2bfc24f22b01d8b21df7ab2aff769cb99708029e Mon Sep 17 00:00:00 2001
From: MoonDroid <zacksaltyay@gmail.com>
Date: Fri, 11 Apr 2025 18:59:21 +0700
Subject: [PATCH] Add the ability to swipe on the mp3 capsules to change
 difficulty.

---
 source/funkin/ui/freeplay/FreeplayState.hx | 52 ++++++++++++++++++++--
 1 file changed, 49 insertions(+), 3 deletions(-)

diff --git a/source/funkin/ui/freeplay/FreeplayState.hx b/source/funkin/ui/freeplay/FreeplayState.hx
index f0821e1be..6b12e57b7 100644
--- a/source/funkin/ui/freeplay/FreeplayState.hx
+++ b/source/funkin/ui/freeplay/FreeplayState.hx
@@ -1691,10 +1691,56 @@ class FreeplayState extends MusicBeatSubState
       final selected = grpCapsules.members[curSelected].theActualHitbox;
       _pressedOn = _pressedOn && selected != null && TouchUtil.overlaps(selected, funnyCam);
 
-      if (_pressedOn && TouchUtil.touch != null && TouchUtil.touch.ticksDeltaSincePress >= 500)
+      if (_pressedOn && TouchUtil.touch != null)
       {
-        _pressedOn = false;
-        favoriteSong();
+        draggingDifficulty = true;
+        @:nullSafety(Off)
+        if (SwipeUtil.swipeLeft)
+        {
+          changeDiff(1);
+          _pressedOn = false;
+          draggingDifficulty = false;
+          busy = true;
+          grpCapsules.members[curSelected].doLerp = false;
+          FlxTween.tween(grpCapsules.members[curSelected], {x: grpCapsules.members[curSelected].x + 15}, 0.1, {ease: FlxEase.expoOut});
+
+          FlxTween.tween(grpCapsules.members[curSelected], {x: grpCapsules.members[curSelected].x - 15}, 0.1,
+            {
+              ease: FlxEase.expoIn,
+              startDelay: 0.1,
+              onComplete: function(_) {
+                grpCapsules.members[curSelected].doLerp = true;
+                busy = false;
+              }
+            });
+        }
+        else if (SwipeUtil.swipeRight)
+        {
+          changeDiff(-1);
+          _pressedOn = false;
+          draggingDifficulty = false;
+          busy = true;
+
+          grpCapsules.members[curSelected].doLerp = false;
+          FlxTween.tween(grpCapsules.members[curSelected], {x: grpCapsules.members[curSelected].x - 15}, 0.1, {ease: FlxEase.expoOut});
+
+          FlxTween.tween(grpCapsules.members[curSelected], {x: grpCapsules.members[curSelected].x + 15}, 0.1,
+            {
+              ease: FlxEase.expoIn,
+              startDelay: 0.1,
+              onComplete: function(_) {
+                grpCapsules.members[curSelected].doLerp = true;
+                busy = false;
+              }
+            });
+        }
+
+        if (TouchUtil.touch.ticksDeltaSincePress >= 500)
+        {
+          _pressedOn = false;
+          draggingDifficulty = false;
+          favoriteSong();
+        }
       }
 
       for (diff in grpDifficulties.group.members)