// create the instance of the nui sensor
HRESULT KinectSensor::CreateNuiDevice()
{
assert( m_wsPortID.size() != 0 );
// check if we can use it
CComPtr<INuiSensor> pNuiSensor;
HRESULT hr = NuiCreateSensorById( m_wsPortID.c_str(), &pNuiSensor );
if( FAILED(hr) )
{
return hr;
}
// is this one we already have
if( m_pNuiSensor == pNuiSensor )
{
return S_OK;
}
assert( nullptr == m_pNuiSensor );
// if the device is not in use by another process
if( !IsSensorConflict(pNuiSensor) )
{
// start clean
ResetDevice();
m_pNuiSensor = pNuiSensor; // auto refcount with CComPtr
}
// update internal state and return
return GetNUISensorStatus(true);
}
/// <summary>
/// Update the sensor resource when sensor status changed and the new status is not NuiSensorDisconnected
/// </summary>
void KinectWindowManager::HandleSensorConnected(PCWSTR instanceName, HRESULT hrSensorCallbackStatus)
{
auto iter = m_sensorMap.find(instanceName);
// The changed sensor has not been saved
if (m_sensorMap.end() == iter)
{
INuiSensor* pNuiSensor = nullptr;
if (SUCCEEDED(NuiCreateSensorById(instanceName, &pNuiSensor)))
{
iter = AddSensor(instanceName, pNuiSensor);
}
else
{
return;
}
}
// Show/Hide the Kinect window
UpdateKinectWindow(hrSensorCallbackStatus, iter->second.NuiSensor, &(iter->second.KinectWindow));
}