Core/Movement: waypoint movement (#20121)

Following the work done in #19361 this is the cleanup and improvement of the related logic of waypoint management.

Ref 28050f3 #18020
(taking the good parts and ignoring the incomplete work)

(cherry picked from commit 7fff83d67526efff63867d41b9e036a19a9287b3)

1 files changed, 4 insertions, 2 deletions

diff --git a/src/server/game/Handlers/MovementHandler.cpp b/src/server/game/Handlers/MovementHandler.cpp
index 29324f41107..66e891fe3ee 100644
--- a/src/server/game/Handlers/MovementHandler.cpp
+++ b/src/server/game/Handlers/MovementHandler.cpp
@@ -30,6 +30,8 @@
 #include "Opcodes.h"
 #include "Player.h"
 #include "SpellInfo.h"
+#include "MotionMaster.h"
+#include "MovementGenerator.h"
 #include "Transport.h"
 #include "Vehicle.h"
 #include "WaypointMovementGenerator.h"
@@ -153,8 +155,8 @@ void WorldSession::HandleMoveWorldportAck()
             if (!seamlessTeleport)
             {
                 // short preparations to continue flight
-                FlightPathMovementGenerator* flight = (FlightPathMovementGenerator*)(GetPlayer()->GetMotionMaster()->top());
-                flight->Initialize(GetPlayer());
+                MovementGenerator* movementGenerator = GetPlayer()->GetMotionMaster()->top();
+                movementGenerator->Initialize(GetPlayer());
             }
             return;
         }