3dsoundlistener.h

游戏音频程序设计-Beginning.Game.Audio.Programming

// 3DSoundListener.h: interface for the C3DSoundListener class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_3DSOUNDLISTENER_H__194C6682_6B54_4877_A537_30683342DDA9__INCLUDED_)
#define AFX_3DSOUNDLISTENER_H__194C6682_6B54_4877_A537_30683342DDA9__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include <dsound.h>

namespace AudioEngine {

class C3DSoundListener  
{
public:
  friend class CAudioManager;
	virtual ~C3DSoundListener();

  void SetPosition(D3DVECTOR position) { m_Props.vPosition = position; RefreshProps(); }
  D3DVECTOR GetPosition() { return(m_Props.vPosition); }

  void SetVelocity(D3DVECTOR Velocity) { m_Props.vVelocity = Velocity; RefreshProps();}
  D3DVECTOR GetVelocity() { return(m_Props.vVelocity); }

  void SetOrient(D3DVECTOR OrientTop, D3DVECTOR OrientFront) { 
    m_Props.vOrientTop = OrientTop; 
    m_Props.vOrientFront = OrientFront;
    RefreshProps();
  }
  D3DVECTOR GetOrientTop() { return(m_Props.vOrientTop); }
  D3DVECTOR GetOrientFront() { return(m_Props.vOrientFront); }

  void SetDistanceFactor(float f) { m_Props.flDistanceFactor = f; RefreshProps(); }
  float GetDistanceFactor() { return(m_Props.flDistanceFactor); }

  void SetRolloffFactor(float f) { m_Props.flRolloffFactor = f; RefreshProps(); }
  float GetRolloffFactor() { return(m_Props.flRolloffFactor); }                 

  void SetDopplerFactor(float f) { m_Props.flDopplerFactor = f; RefreshProps(); }
  float GetDopplerFactor() { return(m_Props.flDopplerFactor); }

protected:
  C3DSoundListener(); // only accessible to friends (i.e., CAudioManager)
	
  CAudioManager *m_Manager;
  void RefreshProps();
  DS3DLISTENER m_Props;
  IDirectSound3DListener8 *m_Listener;
};

} // namespace
#endif // !defined(AFX_3DSOUNDLISTENER_H__194C6682_6B54_4877_A537_30683342DDA9__INCLUDED_)