From b44d086d370a269c3b1e1bbf758d87d9185f050e Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Mon, 29 Nov 2021 17:28:45 -0500
Subject: [PATCH] Core: VehicleJoinEvent crash fix

Port From (https://github.com/TrinityCore/TrinityCore/commit/fe0cff0caeda48cd49f5d3898607bdb34704b868)
---
 Source/Game/Entities/Vehicle.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Source/Game/Entities/Vehicle.cs b/Source/Game/Entities/Vehicle.cs
index dadd1f25d..be2e7e338 100644
--- a/Source/Game/Entities/Vehicle.cs
+++ b/Source/Game/Entities/Vehicle.cs
@@ -574,6 +574,11 @@ namespace Game.Entities
                 return true;
             }
 
+            //It's possible that multiple vehicle join
+            //events are executed in the same update
+            if (Passenger.GetVehicle() != null)
+                Passenger.ExitVehicle();
+
             Passenger.SetVehicle(Target);
             Seat.Value.Passenger.Guid = Passenger.GetGUID();
             Seat.Value.Passenger.IsUnselectable = Passenger.HasUnitFlag(UnitFlags.NotSelectable);