text: //
  //  SuperTuxKart - a fun racing game with go-kart
  //  Copyright (C) 2018 SuperTuxKart-Team
  //
  //  This program is free software; you can redistribute it and/or
  //  modify it under the terms of the GNU General Public License
  //  as published by the Free Software Foundation; either version 3
  //  of the License, or (at your option) any later version.
  //
  //  This program is distributed in the hope that it will be useful,
  //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  //  GNU General Public License for more details.
  //
  //  You should have received a copy of the GNU General Public License
  //  along with this program; if not, write to the Free Software
  //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  
  #ifndef HEADER_DUMMY_REWINDER_HPP
  #define HEADER_DUMMY_REWINDER_HPP
  
  #include "network/event_rewinder.hpp"
  #include "network/network_string.hpp"
  #include "network/rewinder.hpp"
  
  /** A dummy Rewinder and EventRewinder class for unit testing and handle undo
   *  destruction of projectiles. */
  class DummyRewinder : public Rewinder, public EventRewinder
  {
  public:
      // -------------------------------------------------------------------------
      BareNetworkString* saveState(std::vector<std::string>* ru)  { return NULL; }
      // -------------------------------------------------------------------------
      virtual void undoEvent(BareNetworkString* s)                              {}
      // -------------------------------------------------------------------------
      virtual void rewindToEvent(BareNetworkString* s)                          {}
      // -------------------------------------------------------------------------
      virtual void restoreState(BareNetworkString* s, int count)
                                                               { s->skip(count); }
      // -------------------------------------------------------------------------
      virtual void undoState(BareNetworkString *s)                              {}
      // -------------------------------------------------------------------------
      virtual void undo(BareNetworkString *s)                                   {}
      // -------------------------------------------------------------------------
      virtual void rewind(BareNetworkString *s)                                 {}
      // -------------------------------------------------------------------------
      virtual void saveTransform()                                              {}
      // -------------------------------------------------------------------------
      virtual void computeError()                                               {}
  };
  
  #endif
  
  