int I2_Init()
{
DSBUFFERDESC desc;
LPDIRECTSOUNDBUFFER bufTemp;
if(initOk) return true; // Don't init a second time.
if(FAILED(hr = EAXDirectSoundCreate(NULL, &dsound, NULL)))
{
// EAX can't be initialized. Use normal DS, then.
ST_Message("I2_Init: EAX 2 couldn't be initialized (result: %i).\n", hr & 0xffff);
if(FAILED(hr = DirectSoundCreate(NULL, &dsound, NULL)))
{
ST_Message("I2_Init: Couldn't create dsound (result: %i).\n", hr & 0xffff);
return false;
}
}
// Set the cooperative level.
if(FAILED(hr = IDirectSound_SetCooperativeLevel(dsound, hWndMain, DSSCL_PRIORITY)))
{
ST_Message("I2_Init: Couldn't set dSound cooperative level (result: %i).\n", hr & 0xffff);
return false;
}
// Get the listener.
memset(&desc, 0, sizeof(desc));
desc.dwSize = sizeof(desc);
desc.dwFlags = DSBCAPS_CTRL3D | DSBCAPS_PRIMARYBUFFER;
if(SUCCEEDED(IDirectSound_CreateSoundBuffer(dsound, &desc, &bufTemp, NULL)))
{
// Query the listener interface.
IDirectSoundBuffer_QueryInterface(bufTemp, &IID_IDirectSound3DListener, &dsListener);
}
// Release the primary buffer interface, we won't need it.
IDirectSoundBuffer_Release(bufTemp);
// Try to get the EAX listener property set. Create a temporary secondary buffer for it.
if(SUCCEEDED( createDSBuffer(DSBCAPS_STATIC | DSBCAPS_CTRL3D, DSBSIZE_MIN, 22050, 8, 1, &bufTemp) ))
{
// Now try to get the property set.
if(SUCCEEDED(hr = IDirectSoundBuffer_QueryInterface(bufTemp,
&IID_IKsPropertySet, &eaxListener)))
{
DWORD support = 0, revsize = 0;
// Check for support.
if(FAILED(hr = IKsPropertySet_QuerySupport(eaxListener,
&DSPROPSETID_EAX_ListenerProperties,
DSPROPERTY_EAXLISTENER_ENVIRONMENT,
&support))
|| ((support & NEEDED_SUPPORT) != NEEDED_SUPPORT))
{
ST_Message("I2_Init: Property set acquired, but EAX 2 not supported.\n Result:%i, support:%x\n", hr&0xffff, support);
IKsPropertySet_Release(eaxListener);
eaxListener = NULL;
}
else
{
// EAX is supported!
ST_Message("I2_Init: EAX 2 available.\n");
}
}
// Release the temporary buffer interface.
IDirectSoundBuffer_Release(bufTemp);
}
// Get the caps.
dsCaps.dwSize = sizeof(dsCaps);
IDirectSound_GetCaps(dsound, &dsCaps);
ST_Message("I2_Init: Number of hardware 3D buffers: %i\n", dsCaps.dwMaxHw3DAllBuffers);
// Configure the DS3D listener.
if(dsListener)
{
IDirectSound3DListener_SetDistanceFactor(dsListener, 1/36.0f, DS3D_DEFERRED);
IDirectSound3DListener_SetDopplerFactor(dsListener, 2, DS3D_DEFERRED);
}
// Success!
initOk = true;
return true;
}
//===========================================================================
// DS_Init
//===========================================================================
int DS_Init(void)
{
HWND hWnd;
DSBUFFERDESC desc;
LPDIRECTSOUNDBUFFER bufTemp;
if(initOk) return true;
// Are we in verbose mode?
if((verbose = ArgExists("-verbose")))
Con_Message("DS_Init(Compat): Initializing sound driver...\n");
// Get Doomsday's window handle.
hWnd = (HWND) DD_GetInteger(DD_WINDOW_HANDLE);
hr = DS_OK;
if(ArgExists("-noeax")
|| FAILED(hr = EAXDirectSoundCreate(NULL, &dsound, NULL)))
{
// EAX can't be initialized. Use normal DS, then.
if(FAILED(hr)) Error("DS_Init", "EAX 2 couldn't be initialized.");
if(FAILED(hr = DirectSoundCreate(NULL, &dsound, NULL)))
{
Error("DS_Init", "Failed to create dsound interface.");
return false;
}
}
// Set the cooperative level.
if(FAILED(hr = dsound->SetCooperativeLevel(hWnd, DSSCL_PRIORITY)))
{
Error("DS_Init", "Couldn't set dSound coop level.");
return false;
}
// Get the primary buffer and the listener.
primary = NULL;
memset(&desc, 0, sizeof(desc));
desc.dwSize = sizeof(desc);
desc.dwFlags = DSBCAPS_CTRL3D | DSBCAPS_PRIMARYBUFFER;
dsListener = NULL;
if(SUCCEEDED(dsound->CreateSoundBuffer(&desc, &primary, NULL)))
{
// Query the listener interface.
primary->QueryInterface(IID_IDirectSound3DListener,
(void**) &dsListener);
}
else
{
// Failure; get a 2D primary buffer, then.
desc.dwFlags = DSBCAPS_PRIMARYBUFFER;
dsound->CreateSoundBuffer(&desc, &primary, NULL);
}
// Start playing the primary buffer.
if(primary)
{
if(FAILED(hr = primary->Play(0, 0, DSBPLAY_LOOPING)))
Error("DS_Init", "Can't play primary buffer.");
}
// Try to get the EAX listener property set.
// Create a temporary secondary buffer for it.
eaxListener = NULL;
if(SUCCEEDED(CreateDSBuffer(DSBCAPS_STATIC | DSBCAPS_CTRL3D,
DSBSIZE_MIN, 22050, 8, 1, &bufTemp)))
{
// Now try to get the property set.
if(SUCCEEDED(hr = bufTemp->QueryInterface(IID_IKsPropertySet,
(void**) &eaxListener)))
{
DWORD support = 0, revsize = 0;
// Check for support.
if(FAILED(hr = eaxListener->QuerySupport(
DSPROPSETID_EAX_ListenerProperties,
DSPROPERTY_EAXLISTENER_ENVIRONMENT,
&support))
|| ((support & NEEDED_SUPPORT) != NEEDED_SUPPORT))
{
Error("DS_Init", "Sufficient EAX2 support not present.");
eaxListener->Release();
eaxListener = NULL;
}
else
{
// EAX is supported!
if(verbose) Con_Message("DS_Init(Compat): EAX2 is available.\n");
}
}
// Release the temporary buffer interface.
bufTemp->Release();
}
// Get the caps.
dsCaps.dwSize = sizeof(dsCaps);
dsound->GetCaps(&dsCaps);
if(verbose) Con_Message("DS_Init(Compat): Number of hardware 3D "
"buffers: %i\n", dsCaps.dwMaxHw3DAllBuffers);
// Configure the DS3D listener.
if(dsListener)
{
dsListener->SetDistanceFactor(1/36.0f, DS3D_DEFERRED);
dsListener->SetDopplerFactor(2, DS3D_DEFERRED);
}
// Success!
initOk = true;
return true;
}
