Sound.h

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//    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 __SOUND_H__
#define __SOUND_H__
 
 
#include <H3D/X3DSoundNode.h>
#include <H3D/X3DSoundSourceNode.h>
 
namespace H3D {
 
  class H3DAPI_API Sound : public X3DSoundNode {
  public:
    
    class H3DAPI_API SFSoundSourceNode: public TypedSFNode< X3DSoundSourceNode > {
    public:
      ~SFSoundSourceNode() { value = NULL; }
    protected:
      virtual void onAdd( Node *n );
      virtual void onRemove( Node *n );
    };
    
    class ALSoundSetup: public PeriodicUpdate< Field > {
    public:
      virtual void update() {
        Sound *s = 
          static_cast< Sound * >( getOwner());
        s->ALrender();
      }
    };
 
    Sound( Inst< SFNode >  _metadata   = 0,
           Inst< SFVec3f>  _direction  = 0,
           Inst< SFFloat>  _intensity  = 0,
           Inst< SFVec3f>  _location   = 0,
           Inst< SFFloat>  _maxBack    = 0,
           Inst< SFFloat>  _maxFront   = 0,
           Inst< SFFloat>  _minBack    = 0,
           Inst< SFFloat>  _minFront   = 0,
           Inst< SFFloat>  _priority   = 0,
           Inst< SFSoundSourceNode >  _source     = 0,
           Inst< SFBool >  _spatialize = 0,
           Inst< ALSoundSetup > _soundSetup = 0 );
 
    ~Sound();
 
    virtual void traverseSG( TraverseInfo &ti );
 
    virtual void ALrender(); 
 
    H3DUniquePtr< SFVec3f >  direction;
 
    H3DUniquePtr< SFFloat >  intensity;
 
    H3DUniquePtr< SFVec3f >  location;
 
    H3DUniquePtr< SFFloat >  maxBack;
 
    H3DUniquePtr< SFFloat >  maxFront;
 
    H3DUniquePtr< SFFloat >  minBack;
 
    H3DUniquePtr< SFFloat >  minFront;
 
    H3DUniquePtr< SFFloat >  priority;
 
    H3DUniquePtr< SFSoundSourceNode  >  source;
 
    H3DUniquePtr< SFBool  >  spatialize;
 
    static H3DNodeDatabase database;
  protected:
    public:
#ifdef HAVE_OPENAL
    static bool alut_initialized;
    static ALCdevice *al_device;
    static ALCcontext *al_context;
#endif
    H3DUniquePtr< ALSoundSetup > soundSetup;
 
    H3DUniquePtr< SFMatrix4f > accForwardMatrix;
  };
}
 
#endif