/****************************************************************************

   Copyright (C) 2002-2008 Gilles Debunne. All rights reserved.

   This file is part of the QGLViewer library version 2.3.5.

   http://www.libqglviewer.com - contact@libqglviewer.com

   This file may be used under the terms of the GNU General Public License
   versions 2.0 or 3.0 as published by the Free Software Foundation and
   appearing in the LICENSE file included in the packaging of this file.
   In addition, as a special exception, Gilles Debunne gives you certain
   additional rights, described in the file GPL_EXCEPTION in this package.

   libQGLViewer uses dual licensing. Commercial/proprietary software must
   purchase a libQGLViewer Commercial License.

   This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
   WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

 *****************************************************************************/

#ifndef DVONNVIEWER_H
#define DVONNVIEWER_H

#include "game.h"

#include <QGLViewer/qglviewer.h>
#include <list>

class QTimer;

namespace dvonn {
class Game;
class Drawer;
}

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// Interface of DvonnViewer
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
class DvonnViewer : public QGLViewer {
  Q_OBJECT

public:
#if QT_VERSION < 0x040000
  DvonnViewer(QWidget* parent = NULL, const char* name = 0);
#else
  DvonnViewer(QWidget* parent = NULL);
#endif
  ~DvonnViewer();
  void setGame(dvonn::Game* g);
  void fadeOut(const dvonn::Board::Ghosts* g);
  void animateMove(dvonn::Game::Move m);
  void stopAllAnimations();
Q_SIGNALS:
  void requested(dvonn::Game::Placement);
  void requested(dvonn::Game::Move);
public Q_SLOTS:
  void toggleTexture(bool);
  void toggleLight(bool);
  void toggleShowPossible(bool);
  void toggleShowStatus(bool);
  void toggleShowLabels(bool);
  void toggleShowAnimation(bool);
  void toggleDragToPlay(bool);
  void animateScore();
protected Q_SLOTS:
  void advanceFadeOut();
  void advanceAnimateMove();
  void advanceAnimateScore();

protected:
  virtual void init();
  void initOpenGL();
  void initSpotLight();
  void initViewer();
  virtual void draw();
  void drawAllPieces(bool pick = false);
  void drawAllSpaces(bool pick = false);
  virtual void drawWithNames();
  virtual void postSelection(const QPoint& point);
  virtual QString helpString() const;

  virtual void keyPressEvent(QKeyEvent* e);
  virtual void mousePressEvent(QMouseEvent* e);
  virtual void mouseMoveEvent(QMouseEvent* e);
  virtual void mouseReleaseEvent(QMouseEvent* e);
  void commitDstPicked();

private:
  dvonn::Game* game_;
  dvonn::Drawer* drawer_;

  int selectionMode_;
  bool piecePicked_;
  dvonn::Board::ConstStackHandle dstPicked_;
  dvonn::Board::ConstStackHandle srcPicked_;
  bool showPossDest_;
  bool showStatus_;
  bool showLabels_;
  bool useLight_;
  std::deque<dvonn::Board::ConstStackHandle> possDests_;
  bool dragToPlay_;
  const dvonn::Board::Ghosts* fadeGhosts_;
  QTimer* fadeTimer_;
  float fadeAlpha_;
  QTimer* animateTimer_;
  float animateT_;
  dvonn::Game::Move animateMove_;
  bool showAnimation_;
  QTimer* scoreTimer_;
  float scoreT_;
  dvonn::Game::Move scoreMove_;
};
#endif // DVONNVIEWER_H
