3dsoundlistener.cpp

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

// 3DSoundListener.cpp: implementation of the C3DSoundListener class.
//
//////////////////////////////////////////////////////////////////////

#include "3DSoundListener.h"
#include "ErrorHandling.h"

namespace AudioEngine {

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

C3DSoundListener::C3DSoundListener() 
{
  ZeroMemory(&m_Props, sizeof(DS3DLISTENER));
  m_Props.dwSize = sizeof(DS3DLISTENER);
  m_Props.flDistanceFactor = 1.0f;
  m_Props.flRolloffFactor = 1.0f;
  m_Props.flDopplerFactor = 1.0f;
  m_Props.vOrientTop.y = 1.0f;
  m_Props.vOrientFront.z = 1.0f;
}

C3DSoundListener::~C3DSoundListener()
{

}

void C3DSoundListener::RefreshProps()
{
  HRESULT hr = m_Listener->SetAllParameters(&m_Props, DS3D_DEFERRED);
  ThrowIfFailed(hr, "C3DSoundListener::RefreshProps(): Error calling SetAllParameters");
}

} // namespace