Input.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 INPUT_HPP
#define INPUT_HPP

#include <map>
#include <queue>
#include <string>
#include <vector>
#include <gadget/Type/AnalogInterface.h>
#include <gadget/Type/DigitalInterface.h>
#include <gadget/Type/PositionInterface.h>
#include "Common.hpp"

namespace vrvis
{

class ActionSet;
class ConfigReader;

class Input
{
  // ================================================================== PUBLIC

  public:

  // ----------------------------------------------- Constructor & Destructor.

  Input(const std::string& crConfigFilename);
  ~Input(void);

  // -------------------------------------------------- Read-only Data Access.

  const float& getBGColor(int colorIndex) const;
  const gmtl::Point3f& getDrawOrigin(void);
  const gmtl::Point3f& getWandPos(void);
  const gmtl::Point3f& getHeadPos(void);

  // ---------------------------------------------- Read-Write Matrix Handles.

  gmtl::Matrix44f& getTransRotMatrixHandle(void);
  gmtl::Matrix44f& getScaleMatrixHandle(void);

  // ------------------------------------------------------------- ActionSets.

  ActionSet* createActionSet(const std::string& crName);
  ActionSet* createDefaultActionSet(void);
  void changeActiveActionSet(void);

  // ----------------------------------------------------------------- Update.

  void update(void);

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

  private:

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

  typedef std::map<std::string, std::string> StringMap;
  typedef std::vector<std::string> StringVector;
  typedef std::vector<gadget::AnalogInterface*> AnalogVector;
  typedef std::vector<gadget::DigitalInterface*> DigitalVector;
  typedef std::queue<ActionSet*> ActionSetQueue;

  // ---------------------------------------------------- Member Construction.

  static gmtl::Point3f* constructDrawOrigin(ConfigReader* pCr);
  static float* constructBGColor(ConfigReader* pCr);
  static gmtl::Matrix44f* constructTransRotMatrix(gmtl::Point3f* pDrawOrigin);
  static void initMaxTexSize(ConfigReader* pCr);

  // ------------------------------------------------------------ Device Init.

  static void initAnalogDevices(StringMap& rMap,
                                AnalogVector& rAnalogVec);

  static void initDigitalDevices(StringMap& rMap,
                                 DigitalVector& rDigitalVec,
                                 gadget::DigitalInterface** ppChangeButton);

  // ----------------------------------------------------------------- Errors.

  static void exitWithConfigFileError(const std::string& crErrorKey);

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

  gadget::PositionInterface mHead;
  gadget::PositionInterface mWand;
  AnalogVector  mAnalogs;
  DigitalVector mButtons;
  gadget::DigitalInterface* mpActionSetChangeButton;


  ActionSetQueue mActionSetQueue;


  ConfigReader* mpConfigReader;
  gmtl::Point3f* mpDrawOrigin;
  float* mpBGColor;
  gmtl::Matrix44f* mpTransRotMatrix;
  gmtl::Matrix44f* mpScaleMatrix;


  gmtl::Point3f* mpHeadPos;
  gmtl::Point3f* mpWandPos;

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

  static gmtl::Point3f* spOrigin;
  static const int scMaxAnalogDevices;
  static const int scMaxDigitalDevices;
};

}  // End namespace.

#endif // INPUT_HPP

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