From fd2db909b4b14edcb6555365972098a4b18a2553 Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Tue, 7 Dec 2021 17:32:36 -0500
Subject: [PATCH] Core/Movement: Use correct root check

Port From (https://github.com/TrinityCore/TrinityCore/commit/dc4b516844e4457b8efce20a521ea3d36dcc42d6)
---
 Source/Game/Movement/MotionMaster.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Source/Game/Movement/MotionMaster.cs b/Source/Game/Movement/MotionMaster.cs
index f4a351738..5e27a2014 100644
--- a/Source/Game/Movement/MotionMaster.cs
+++ b/Source/Game/Movement/MotionMaster.cs
@@ -860,6 +860,10 @@ namespace Game.Movement
             if (Math.Abs(_owner.GetPositionZ() - tz) < 0.1f)
                 return;
 
+            // rooted units don't move (also setting falling+root flag causes client freezes)
+                if (_owner.HasUnitState(UnitState.Root))
+                    return;
+
             _owner.SetFall(true);
 
             // Don't run spline movement for players