From 5a953f38119cdca4a3a6a214110b2d2f934ab013 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Fri, 10 Dec 2021 19:14:33 +0900
Subject: [PATCH] Fix autopilot not working as expected on touch devices

Closes https://github.com/ppy/osu/issues/12731.

I haven't tested this, but quite confident it should work. Will test
later today unless someone else beats me.
---
 osu.Game.Rulesets.Osu/OsuInputManager.cs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/osu.Game.Rulesets.Osu/OsuInputManager.cs b/osu.Game.Rulesets.Osu/OsuInputManager.cs
index 7314021a14..f5fc3de381 100644
--- a/osu.Game.Rulesets.Osu/OsuInputManager.cs
+++ b/osu.Game.Rulesets.Osu/OsuInputManager.cs
@@ -5,6 +5,7 @@ using System.Collections.Generic;
 using System.ComponentModel;
 using osu.Framework.Input.Bindings;
 using osu.Framework.Input.Events;
+using osu.Framework.Input.StateChanges.Events;
 using osu.Game.Rulesets.UI;
 
 namespace osu.Game.Rulesets.Osu
@@ -39,6 +40,17 @@ namespace osu.Game.Rulesets.Osu
             return base.Handle(e);
         }
 
+        protected override bool HandleMouseTouchStateChange(TouchStateChangeEvent e)
+        {
+            if (!AllowUserCursorMovement)
+            {
+                // Still allow for forwarding of the "touch" part, but block the positional data.
+                e = new TouchStateChangeEvent(e.State, e.Input, e.Touch, false, null);
+            }
+
+            return base.HandleMouseTouchStateChange(e);
+        }
+
         private class OsuKeyBindingContainer : RulesetKeyBindingContainer
         {
             public bool AllowUserPresses = true;