[8103] More wide use IsInWorld checks and delayed at teleport operations. Author: Ambal

* IsInWorld used to prevent return unexpected not in world objects.
    * Delayed operations need to process its in world state.

--HG--
branch : trunk

src/game/WorldSession.cpp

@@ -310,7 +310,13 @@ void WorldSession::LogoutPlayer(bool Save)
 
         ///- Teleport to home if the player is in an invalid instance
         if(!_player->m_InstanceValid && !_player->isGameMaster())
+        {
             _player->TeleportTo(_player->m_homebindMapId, _player->m_homebindX, _player->m_homebindY, _player->m_homebindZ, _player->GetOrientation());
+            //this is a bad place to call for far teleport because we need player to be in world for successful logout
+            //maybe we should implement delayed far teleport logout?
+            while(_player->IsBeingTeleportedFar())
+                HandleMoveWorldportAckOpcode();
+        }
 
         sOutdoorPvPMgr.HandlePlayerLeaveZone(_player,_player->GetZoneId());