src/object/path_walker.hpp

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//  SuperTux
//  Copyright (C) 2006 Matthias Braun <matze@braunis.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 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, see <http://www.gnu.org/licenses/>.

#ifndef HEADER_SUPERTUX_OBJECT_PATH_WALKER_HPP
#define HEADER_SUPERTUX_OBJECT_PATH_WALKER_HPP

#include <string.h>

#include "object/path.hpp"

class PathWalker
{
public:
  PathWalker(const Path* path, bool running = true);
  virtual ~PathWalker();

  virtual Vector advance(float elapsed_time);

  Vector get_pos();

  void goto_node(int node_no);

  void start_moving();

  void stop_moving();

  bool is_moving() {
    return running;
  }
  
  const Path* path;

private:
  void advance_node();
  void goback_node();

  bool running;

  size_t current_node_nr;
  size_t next_node_nr;

  int stop_at_node_nr;

  float node_time;
  float node_mult;

  float walking_speed;

private:
  PathWalker(const PathWalker&);
  PathWalker& operator=(const PathWalker&);
};

#endif

/* EOF */

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