VirtualHandGloveSensor.h

Go to the documentation of this file.

//    Copyright 2004-2019, SenseGraphics AB
//
//    This file is part of H3D API.
//
//    H3D API 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 2 of the License, or
//    (at your option) any later version.
//
//    H3D API 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 H3D API; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    A commercial license is also available. Please contact us at 
//    www.sensegraphics.com for more information.
//
//
//
#ifndef __VIRTUALHANDGLOVESENSOR_H__
#define __VIRTUALHANDGLOVESENSOR_H__
 
// H3D includes
#include <H3D/X3DSensorNode.h>
#include <H3D/SFString.h>
#include <H3D/SFInt32.h>
#include <H3D/MFDouble.h>
 
#ifdef HAVE_VIRTUAL_HAND_SDK
// Virtual Hand SDK includes
#include <vhandtk/vhtGlove.h>
#endif
 
namespace H3D {
 
  class H3DAPI_API VirtualHandGloveSensor : public X3DSensorNode {
  public:
 
    // Connects or disconnects the device depending on the value of the enabled
    // field.
    class OnEnable : public AutoUpdate< OnValueChangeSField< SFBool > > {
    protected:
      virtual void onValueChange( const bool &new_value) {
        VirtualHandGloveSensor * vhgs =
          static_cast< VirtualHandGloveSensor * >( owner );
        if( vhgs->isInitialized() ) {
          if( new_value ) {
            if( vhgs->connect() )
              vhgs->isActive->setValue( true, vhgs->id );
            
          } else {
            vhgs->disconnect();
            vhgs->isActive->setValue( false, vhgs->id );
          }
        }
      }
    };
 
    VirtualHandGloveSensor( Inst< OnEnable   > _enabled  = 0,
                            Inst< SFNode   > _metadata = 0,
                            Inst< SFBool   > _isActive = 0,
                            Inst< SFString > _host = 0,
                            Inst< SFString > _port = 0 );
 
    ~VirtualHandGloveSensor() {
#ifdef HAVE_VIRTUAL_HAND_SDK
      if( glove ) {
        delete glove;
        glove = 0;
      }
#endif
    }
 
    virtual void initialize();
 
#ifdef HAVE_VIRTUAL_HAND_SDK
    inline vhtGlove * getGlove() { return glove; }
#endif
 
    inline void resetGlove() {
#ifdef HAVE_VIRTUAL_HAND_SDK
      glove = 0;
#endif
    }
 
    H3DUniquePtr< SFString> host;
 
    H3DUniquePtr< SFString> port;
 
    static H3DNodeDatabase database;
 
  protected:
    virtual void updateValues() = 0;
 
    virtual bool connect() = 0;
 
    virtual void disconnect() = 0;
 
#ifdef HAVE_VIRTUAL_HAND_SDK
    // vhtGlove instance
    vhtGlove * glove;
#endif
 
  private:
    // Calls the updateValues function whenever it gets an event.
    // Scene::time will be routed to this field.
    struct H3DAPI_API Update
      : AutoUpdate<Field> {
      void update(){
        static_cast<VirtualHandGloveSensor*>
          (owner)->updateValues();
      }
    };
 
    H3DUniquePtr< Update > update;
  };
}
 
#endif