#ifndef __SoundH__
#define __SoundH__
#include <dsound.h>
#include "SDKwavefile.h"
#include <vector>
using namespace std;
struct SSound
{
IDirectSoundBuffer8* pSoundBuffer;
bool bLooping;
SSound() { pSoundBuffer = 0; bLooping = false; }
};
class CSound
{
private:
IDirectSound8* m_pSound;
vector<SSound> m_Sound;
public:
void Init(HWND hWnd);
void CreateSound(WCHAR* wsFileName);
void Play(int nIndex);
void Pause(int nIndex);
void ChangeState(int nIndex);
void Start(int nIndex);
};
void CSound::Init(HWND hWnd)
{
DirectSoundCreate8(0, &m_pSound, 0);
m_pSound->SetCooperativeLevel(hWnd, DSSCL_PRIORITY);
}
void CSound::CreateSound(WCHAR* wsFileName)
{
SSound Sound, Sound0;
CWaveFile WaveFile;
ZeroMemory(&WaveFile, sizeof(CWaveFile));
if(WaveFile.Open(wsFileName, 0, WAVEFILE_READ) != S_OK) { m_Sound.push_back(Sound0); return; }
DSBUFFERDESC dsbd;
ZeroMemory(&dsbd, sizeof(DSBUFFERDESC));
dsbd.dwSize = sizeof(DSBUFFERDESC);
dsbd.dwFlags = DSBCAPS_CTRLPAN | DSBCAPS_CTRLVOLUME | DSBCAPS_GLOBALFOCUS | DSBCAPS_CTRLPOSITIONNOTIFY;
dsbd.dwBufferBytes = WaveFile.GetSize();
dsbd.lpwfxFormat = WaveFile.m_pwfx;
IDirectSoundBuffer* pBuffer = 0;
if(m_pSound->CreateSoundBuffer(&dsbd, &pBuffer, 0) != S_OK) { m_Sound.push_back(Sound0); return; }
if(pBuffer->QueryInterface(IID_IDirectSoundBuffer8, (void**)&Sound.pSoundBuffer) != S_OK) { m_Sound.push_back(Sound0); return; }
pBuffer->Release();
void* pvoid = 0;
DWORD nLen = 0;
DWORD dwWrite = 0;
if(Sound.pSoundBuffer->Lock(0, 0, &pvoid, &nLen, 0, 0, DSBLOCK_ENTIREBUFFER) != S_OK) { m_Sound.push_back(Sound0); return; }
if(WaveFile.Read((BYTE*)pvoid, nLen, &dwWrite) != S_OK) { m_Sound.push_back(Sound0); return; }
if(Sound.pSoundBuffer->Unlock(pvoid, nLen, 0, 0)) { { m_Sound.push_back(Sound0); return; } }
m_Sound.push_back(Sound);
}
void CSound::Play(int nIndex)
{
if(nIndex >= m_Sound.size() || m_Sound[nIndex].pSoundBuffer == NULL) return;
m_Sound[nIndex].pSoundBuffer->Play(0, 0, DSBPLAY_LOOPING);
m_Sound[nIndex].bLooping = true;
}
void CSound::Pause(int nIndex)
{
if(nIndex >= m_Sound.size() || m_Sound[nIndex].pSoundBuffer == NULL) return;
m_Sound[nIndex].pSoundBuffer->Stop();
m_Sound[nIndex].bLooping = false;
}
void CSound::ChangeState(int nIndex)
{
if(nIndex >= m_Sound.size() || m_Sound[nIndex].pSoundBuffer == NULL) return;
if(m_Sound[nIndex].bLooping) Pause(nIndex);
else Play(nIndex);
}
void CSound::Start(int nIndex)
{
if(nIndex >= m_Sound.size() || m_Sound[nIndex].pSoundBuffer == NULL) return;
m_Sound[nIndex].pSoundBuffer->SetCurrentPosition(0);
m_Sound[nIndex].pSoundBuffer->Play(0, 0, DSBPLAY_LOOPING);
m_Sound[nIndex].bLooping = true;
}
#endif
//Init初始化
//CreateSound加载声音资源，没加载成功的仍进行管理，这样就可以根据加载的顺序知道对应声音文件的下标
//Play继续播放
//Pause暂停播放
//ChangeState在继续播放与暂停播放间改变状态
//Start开始播放
//由于使用了DXUT，所以需要把DXUT的相关文件都添加进项目
//可能需要的lib文件包括dsound.lib;version.lib;imm32.lib;comctl32.lib;d3dx10d.lib;d3dx9d.lib;dxerr.lib;dxguid.lib;winmm.lib;d3d9.lib;d3dx9.lib;