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// Audio.h: interface for the CAudio class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#if !defined(AFX_AUDIO_H__C59411DC_4F55_40AF_945A_7157AAE6F15B__INCLUDED_) 
#define AFX_AUDIO_H__C59411DC_4F55_40AF_945A_7157AAE6F15B__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
include  
#include  
 
#define INIT_GUID 
#define LPDIRECTMUSICLOADER8	  IDirectMusicLoader8* 
#define LPDIRECTMUSICPERFORMANCE8 IDirectMusicPerformance8* 
#define LPDIRECTMUSICSEGMENT8	  IDirectMusicSegment8* 
#define LPDIRECTMUSICAUDIOPATH	  IDirectMusicAudioPath* 
#define LPDIRECTCSound3DBUFFER	  IDirectSound3DBuffer* 
#define LPDIRECTCSound3DLISTENER	  IDirectSound3DListener* 
 
class CSound 
{ 
	public: 
 
		LPDIRECTMUSICSEGMENT8 dmSegment; 
		LPDIRECTCSound3DBUFFER ds3DBuffer; 
		bool is3DSound; 
 
	void Set3DPos(float x, float y, float z); 
	void Set3DDistances(float minDistance, float maxDistance);	 
	void Shutdown(void); 
 
	CSound() : dmSegment(NULL),  ds3DBuffer(NULL), is3DSound(false)  
		{	} 
 
	~CSound()  
		{	} 
}; 
 
 
class CAudio   
{ 
protected: 
 
	LPDIRECTMUSICLOADER8	  dmLoader;			// the loader 
	LPDIRECTMUSICPERFORMANCE8 dmPerformance;	// the performance 
	LPDIRECTMUSICAUDIOPATH    dm3DAudioPath;	// the audiopath 
	LPDIRECTCSound3DLISTENER	  ds3DListener;		// 3d listener 
 
	DS3DLISTENER dsListenerParams;				// 3d listener properties 
    ////////////////////////////////// 
	CSound  *pSound; 
	unsigned int m_MaxNum;//max number of CSound object 
 
public: 
	bool Init(HWND hwnd,unsigned int MaxNumber);	 
	void Shutdown(void); 
 
	bool Create(unsigned int NumOfSound, char* filename, bool is3DSound); 
 
	void Play(unsigned int NumOfSound, DWORD numRepeats); 
	void Stop(unsigned int NumOfSound); 
 
	void SetListenerPos(float x, float y, float z); 
	void SetListenerRolloff(float rolloff); 
	void SetListenerOrientation(float forwardX, float forwardY, float forwardZ, float topX, float topY, float topZ); 
 
	CAudio(): dm3DAudioPath(NULL), dmLoader(NULL), dmPerformance(NULL),  
		         ds3DListener(NULL),pSound(NULL),m_MaxNum(0) 
	{  } 
 
	virtual ~CAudio() 
	{  } 
 
}; 
 
#endif // !defined(AFX_AUDIO_H__C59411DC_4F55_40AF_945A_7157AAE6F15B__INCLUDED_)