From 99a9129a72a594cab8f3b15d9da388cf99afa47b Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Fri, 10 May 2019 23:30:50 +0200
Subject: Core/Movement: Prevent rooted units from falling

* Fixes a client freeze

Closes #23042
---
 src/server/game/Movement/MotionMaster.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/server/game/Movement/MotionMaster.cpp b/src/server/game/Movement/MotionMaster.cpp
index ac592e3b47f..82107cabb97 100644
--- a/src/server/game/Movement/MotionMaster.cpp
+++ b/src/server/game/Movement/MotionMaster.cpp
@@ -888,6 +888,10 @@ void MotionMaster::MoveFall(uint32 id/* = 0*/)
     if (std::fabs(_owner->GetPositionZ() - tz) < 0.1f)
         return;
 
+    // rooted units don't move (also setting falling+root flag causes client freezes)
+    if (_owner->IsRooted())
+        return;
+
     _owner->AddUnitMovementFlag(MOVEMENTFLAG_FALLING);
     _owner->m_movementInfo.SetFallTime(0);
 
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