int dsound_set_listener_doppler_factor ( float factor ) { unsigned int dsrval; #ifdef _WIN32 dsrval = IDirectSound3DListener_SetDopplerFactor ( d3dsound_listener, factor, DS3D_DEFERRED ); if ( dsrval != DS_OK ) { debug_log ( "Unable to set doppler factor of 3d listener object: %s", get_dsound_error_message ( dsrval ) ); return ( FALSE ); } else { return ( TRUE ); } #endif }
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; }