directmusicsegment.h

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

// DirectMusicSegment.h: interface for the CDirectMusicSegment class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_DIRECTMUSICSEGMENT_H__76D32507_76C2_4D59_841D_77D718FE1861__INCLUDED_)
#define AFX_DIRECTMUSICSEGMENT_H__76D32507_76C2_4D59_841D_77D718FE1861__INCLUDED_

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

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

#include "Sound.h"

namespace AudioEngine {

class CSoundInstance;

class CDirectMusicSegment : public CSound  
{
public:
	friend class CAudioManager;
  friend class CDynamicMusic;
  CDirectMusicSegment(CAudioManager *mgr);
	virtual ~CDirectMusicSegment();

  // implementation of required CSound pure virtual functions
  virtual bool Play() { return(Play(NULL)); }
  virtual bool Stop() { return(Stop(0,0)); }
  virtual bool IsPlaying();

  // extra functions specifically for CDirectMusicSegment
  IDirectMusicSegment8 *GetSegment() { return(m_Segment); }

  virtual bool Stop(MUSIC_TIME time, DWORD flags);
  virtual bool Play(CSoundInstance *newinst, bool control=false, IDirectMusicAudioPath8 *path=NULL);
  virtual bool PlayAsPrimary(CSoundInstance *newinst) {
    return(Play(newinst, true));
  }
  void SetRepeats(int repeats);
  
protected:
  unsigned char *m_OriginalData;
  IDirectMusicSegment8* m_Segment;

};

} // namespace

#endif // !defined(AFX_DIRECTMUSICSEGMENT_H__76D32507_76C2_4D59_841D_77D718FE1861__INCLUDED_)