Drawable.hpp

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/****************************************************************************\
 *                                 VRVis                                    *
 *                      http://vrvis.sourceforge.net                        *
 *                       (C) 2004 by Alex Loeffler                          *
 *                 mailto:aloeffler@users.sourceforge.net                   *
 ****************************************************************************
 *                                License                                   *
 *                                                                          *
 * This library is free software; you can redistribute it and/or modify it  *
 * under the terms of the GNU Library General Public License as published   *
 * by the Free Software Foundation, version 2.                              *
 *                                                                          *
 * 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        *
 * Library General Public License for more details.                         *
 *                                                                          *
 * You should have received a copy of the GNU Library General Public        *
 * License along with this library; if not, write to the Free Software      *
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                *
\****************************************************************************/

#ifndef DRAWABLE_HPP
#define DRAWABLE_HPP

#include <map>
#include <vector>
#include <vrj/Draw/OGL/GlContextData.h>
#include "Common.hpp"

namespace vrvis
{

class Drawable
{
  // ================================================================== PUBLIC

  public:

  // ------------------------------------------------------------- Destructor.

  virtual ~Drawable(void);

  // ----------------------------------------- Forwarded VR Juggler Callbacks.

  virtual void init(void);
  virtual void contextInit(void);
  virtual void contextUpdate(void);
  virtual void draw(void) = 0;

  // ----------------------------------------- Forwarded VR Juggler Callbacks.

  static void initAll(void);
  static void contextInitAll(void);
  static void contextUpdateAll(void);
  static void drawAll(void);

  // -------------------------------------------------------------- Draw Flag.

  virtual void show(void);
  virtual void hide(void);
  bool isHidden(void) const;

  void setContextUpdateFlag(void);

  // =============================================================== PROTECTED

  protected:

  // ------------------------------------------------------------ Constructor.

  Drawable(void);

  // ---------------------------------------------------------- Display Lists.

  int createListID(const std::string& crName);
  int getListID(const std::string& crName);
  void drawAllLists(void);

  // ================================================================= PRIVATE

  private:

  // ---------------------------------------------------------------- Friends.

  friend class Input;

  // --------------------------------------------------------------- Typedefs.

  typedef std::vector<Drawable*> DrawableVector;
  typedef std::map<std::string, int> StringIntMap;

  // ------------------------------------------------------------ Draw Matrix.

  static void initMatrixData(const float* cTransRotMatrixData,
                             const float* cScaleMatrixData);

  // ---------------------------------------------------------------- Members.

  vrj::GlContextData<StringIntMap> mDisplayLists;
  bool mDrawFlag;
  bool mContextUpdateFlag;

  // --------------------------------------------------------- Static Members.

  static DrawableVector sAllDrawables;
  static const float* sTransRotMatrixData;
  static const float* sScaleMatrixData;
};

}  // End namespace.

#endif // DRAWABLE_HPP

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