soundinstance.h

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

// SoundInstance.h: interface for the CSoundInstance class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_SOUNDINSTANCE_H__AC82C068_C016_4367_85C6_99906A7950CC__INCLUDED_)
#define AFX_SOUNDINSTANCE_H__AC82C068_C016_4367_85C6_99906A7950CC__INCLUDED_

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

#include <windows.h>
#include <mmreg.h>

#include <dmusicc.h>
#include <dmusici.h>
#include <dsound.h>
#include "dxutil.h"

#include "DirectMusicSegment.h"

namespace AudioEngine {

class CSound;
class CAudioManager;

class CSoundInstance  
{
public:
	CSoundInstance();
	virtual ~CSoundInstance();

  void Init(CDirectMusicSegment *seg, IDirectMusicAudioPath8 *path);
  void UnInit();

  bool IsPlaying();
  bool IsValid() { return(m_Valid); }
  bool Stop(MUSIC_TIME time = 0, DWORD flags = 0);

  void SetVolume(const CVolume &vol, int fadeoverms = 0);

  IDirectMusicSegmentState8 *GetSegmentState() { return(m_SegmentState); }

protected:
  bool m_Valid;
  IDirectMusicSegmentState8 *m_SegmentState;
  IDirectMusicAudioPath8 *m_AudioPath;
};

}; // namespace

#endif // !defined(AFX_SOUNDINSTANCE_H__AC82C068_C016_4367_85C6_99906A7950CC__INCLUDED_)