transition.hpp

/*
    Screen transition.
    Copyright (C) 2016 Denis BOURGE

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
    USA
*/

#ifndef HX3D_GRAPHICS_TRANSITION
#define HX3D_GRAPHICS_TRANSITION

#include "hx3d/graphics/batch.hpp"
#include "hx3d/graphics/framebuffer.hpp"

namespace hx3d {

namespace window {
  class Game;
}

namespace graphics {

class Transition {
public:

  Transition(window::Game* game);

  void start();

  void reset();

  void setDuration(float duration);

  bool isRunning() const;

  bool isFinished() const;

  void update(float delta);

  virtual void render(Batch& batch, Framebuffer& currentFB, Framebuffer& nextFB) = 0;

  virtual void onUpdate(float delta);

  virtual void onDone();

  virtual void onStart();

protected:
  float _duration;
  float _currentTime;
  bool _running;
  window::Game* _game;
};

} /* graphics */
} /* hx3d */

#endif /* HX3D_GRAPHICS_TRANSITION */