// ////////////////////////////////////////////////////////////////////
//
// ////////////////////////////////////////////////////////////////////
void DirectSound8AudioBuffer::VSetVolume(I32 volume)
{
if(!g_audioPtr || !g_audioPtr->VActive()) {
GF_LOG_TRACE_ERR("DirectSound8AudioBuffer::VSetVolume()", "The sound system is not active");
return;
}
LPDIRECTSOUNDBUFFER pDSB = static_cast<LPDIRECTSOUNDBUFFER>(VGet());
if(!pDSB) {
GF_LOG_TRACE_ERR("DirectSound8AudioBuffer::VSetVolume()", "Failed to cast the buffer to a DirectSound buffer");
return;
}
if(volume < 0) {
GF_LOG_TRACE_INF("DirectSound8AudioBuffer::VSetVolume()", "Volume cannot be less than 0 so we are setting it to 0");
volume = 0;
} else if(volume > 100) {
GF_LOG_TRACE_INF("DirectSound8AudioBuffer::VSetVolume()", "The volume cannot be greater than 100 so we are setting it to 100");
volume = 100;
}
// convert volume from 0-100 into range for DirectX - don't forget to use a logarithmic scale!
F32 coeff = (F32)volume / 100.0f;
F32 logarithmicProportion = coeff > 0.1f ? 1 + log10(coeff) : 0;
F32 range = (DSBVOLUME_MAX - GCC_DSBVOLUME_MIN);
F32 fvolume = (range * logarithmicProportion) + GCC_DSBVOLUME_MIN;
assert(fvolume >= GCC_DSBVOLUME_MIN && fvolume <= DSBVOLUME_MAX);
HRESULT hr = pDSB->SetVolume(LONG(fvolume));
if(hr != S_OK) {
GF_LOG_TRACE_ERR("DirectSound8AudioBuffer::VSetVolume()", "Failed to set the volum of the DirectSound Buffer");
}
}
// /////////////////////////////////////////////////////////////////
//
// /////////////////////////////////////////////////////////////////
GLint TextureManager::GetMaxTextureSize(const GLenum texType) const
{
if((texType != GL_MAX_TEXTURE_SIZE) || (texType != GL_MAX_CUBE_MAP_TEXTURE_SIZE))
{
GF_LOG_TRACE_INF("TextureManager::GetMaxTextureSize()", "Invalid parameters");
return (-1);
}
GLint maxSize;
GF_CLEAR_GL_ERROR();
glGetIntegerv(texType, &maxSize);
if(!GF_CHECK_GL_ERROR_TRC("TextureManager::GetMaxTextureSize(): "))
{
return (0);
}
return (maxSize);
}
