//--------------------------------
// DirectSound用バッファの確保
//--------------------------------
LPDIRECTSOUNDBUFFER Sound::creatBuffer()
{
LPDIRECTSOUNDBUFFER pDSBuffer = NULL;
if(m_pDirectSound)
{
DSBUFFERDESC Desc;
ZeroMemory(&Desc,sizeof(DSBUFFERDESC));
Desc.dwSize = sizeof(DSBUFFERDESC);
Desc.dwFlags = DSBCAPS_STATIC|DSBCAPS_LOCSOFTWARE|DSBCAPS_GLOBALFOCUS;
Desc.dwBufferBytes = getWaveData()->getDataSize();
Desc.lpwfxFormat = getWaveData()->getFormat();
m_pDirectSound->CreateSoundBuffer(&Desc,&pDSBuffer,NULL);
if(pDSBuffer)
{
LPVOID pData1;
DWORD dwBytes1;
pDSBuffer->Lock(0,getWaveData()->getDataSize(),&pData1,&dwBytes1,NULL,NULL,0);
CopyMemory(pData1,getWaveData()->getWaveData(),dwBytes1);
pDSBuffer->Unlock(pData1,dwBytes1,NULL,0);
}
}
return pDSBuffer;
}
//--------------------------------
// 同時発音用バッファの確保
//--------------------------------
void Sound::createList(int nCount,int bFlag)
{
int i;
if(!getWaveData()->isData())
return;
release();
m_ppDSBuffer = NEW LPDIRECTSOUNDBUFFER[nCount];
m_nCount = nCount;
// if(bFlag == 0)
{
m_ppDSBuffer[0] = creatBuffer();
for(i=1;i<m_nCount;i++)
m_pDirectSound->DuplicateSoundBuffer(m_ppDSBuffer[0],&m_ppDSBuffer[i]);
}
}
void DisplayWave::draw()
{
sf::Vector2i windowSize = Globals::Window->getSize();
float * wave = getWaveData(windowSize.x);
OpenGLUtils::Enable2d();
float y, lastY;
for (int i = 0; i < windowSize.x - 2; i += 2)
{
y = (windowSize.y / 2) + (windowSize.y / 3) * wave[i];
if (i != 0)
OpenGLUtils::DrawLine(i - 2, lastY, i, y, sf::Color(140, 25, 25));
lastY = y;
}
delete wave;
}
//--------------------------------
// WAVファイルを読む
//--------------------------------
BOOL Sound::open(LPCSTR pName,LPCSTR pType)
{
getWaveData()->open(pName,pType);
createList(3);
return TRUE;
}
