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controller.hxx

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//  $Id: controller.hxx,v 1.6 2003/01/10 20:44:09 grumbel Exp $
// 
//  Construo - A wire-frame construction game
//  Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>
//
//  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 2
//  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_CONSTRUO_CONTROLLER_HXX
#define HEADER_CONSTRUO_CONTROLLER_HXX

#include "world.hxx"
#include "delta_manager.hxx"

class Controller
{
private:
  std::vector<World*> undo_world_stack;
  std::vector<World*> redo_world_stack;

  bool running;
  bool slow_down;
  bool action_cam;
  bool hide_dots;

  World* world;

  DeltaManager delta_manager;
  
  static Controller* instance_;
public:
  Controller ();
  Controller (const std::string& filename);
  ~Controller ();

  static inline Controller* instance() { return instance_; }

  bool has_been_run () { return world && world->get_has_been_run (); }
  
  bool is_running () { return running; }
  bool slow_down_active () { return slow_down; }
  void set_slow_down (bool s) { slow_down = s; }

  void set_action_cam(bool);
  bool get_action_cam();

  void set_hide_dots (bool);
  bool get_hide_dots ();

  World* get_world () { assert(world); return world; }

  void load_world (const std::string& name);

  void save_world (const std::string& name);

  std::string get_slot_filename(int n);
  void save_to_slot (int n);
  void load_from_slot (int n);

  void update ();

  void clear_world ();

  void undo ();
  void redo ();

  void push_undo();

  void start_simulation ();
};

#endif

/* EOF */

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