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SND_SoundListener.h

/*
 * SND_SoundListener.h
 *
 * A SoundListener is for sound what a camera is for vision.
 *
 * $Id: SND_SoundListener.h,v 1.5 2002/12/27 13:10:58 mein Exp $
 *
 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
 *
 * This program 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. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * This program 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 this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */

#ifndef __SND_SOUNDLISTENER_H
#define __SND_SOUNDLISTENER_H

#include "SND_Object.h"

class SND_SoundListener : public SND_Object
{
public:
      SND_SoundListener();
      virtual ~SND_SoundListener();

      void SetStateFlag(unsigned int stateflags);
      void SetGain(MT_Scalar gain);
      void SetPosition(const MT_Vector3& pos);
      void SetVelocity(const MT_Vector3& vel);
      void SetOrientation(const MT_Matrix3x3& ori);
      void SetDopplerFactor(MT_Scalar dopplerfactor);
      void SetDopplerVelocity(MT_Scalar dopplervelocity);
      void SetScale(MT_Scalar scale);

      void SetModified(bool modified);
      bool IsModified() const;

      unsigned int      GetStateFlags() const;
      MT_Scalar         GetGain() const;
      MT_Vector3        GetPosition() const;
      MT_Vector3        GetVelocity() const;
      MT_Matrix3x3      GetOrientation();

      MT_Scalar         GetDopplerFactor() const;
      MT_Scalar         GetDopplerVelocity() const;
      MT_Scalar         GetScale() const;
      
private:
      void*             m_listener;
      bool              m_modified;

      MT_Scalar         m_gain;                       /* overall gain */
      MT_Vector3        m_position;             /* position; left/right, up/down, in/out */
      MT_Vector3        m_velocity;             /* velocity of the listener */
      MT_Matrix3x3      m_orientation;          /* orientation of the listener */

      MT_Scalar         m_dopplerfactor;  /* scaling factor for the Doppler (pitch) shift */
      MT_Scalar         m_dopplervelocity;      /* factor for the reference velocity (for Dopplereffect) */
      MT_Scalar         m_scale;
};

#endif //__SND_SOUNDLISTENER_H


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