Method AddExportedNode

Source/OpenNI/XnModuleLoader.cpp:444–504

}

XnStatus XnModuleLoader::AddExportedNode(XnVersion& moduleOpenNIVersion, XnModuleExportedProductionNodeInterface* pExportedInterface, const XnChar* strConfigDir)
{
	XnStatus nRetVal = XN_STATUS_OK;

	// Validate we have all mandatory functions
	XN_VALIDATE_FUNC_NOT_NULL(pExportedInterface, GetDescription);
	XN_VALIDATE_FUNC_NOT_NULL(pExportedInterface, EnumerateProductionTrees);
	XN_VALIDATE_FUNC_NOT_NULL(pExportedInterface, Create);
	XN_VALIDATE_FUNC_NOT_NULL(pExportedInterface, Destroy);
	XN_VALIDATE_FUNC_NOT_NULL(pExportedInterface, GetInterface.General);

	XnLoadedGenerator loaded;
	xnOSMemSet(&loaded, 0, sizeof(loaded));
	loaded.ExportedInterface = *pExportedInterface;

	// Get Description
	pExportedInterface->GetDescription(&loaded.Description);

	XnChar strDescription[512];
	xnProductionNodeDescriptionToString(&loaded.Description, strDescription, 512);

	xnLogVerbose(XN_MASK_MODULE_LOADER, "Found exported production node. %s", strDescription);
	if (m_loadingMode == LOADING_MODE_PRINT)
	{
		printf("\t%s\n", strDescription);
	}

	// make sure it's not in the list
	XnLoadedGeneratorsHash::ConstIterator it = m_AllGenerators.Find(loaded.Description);
	if (it != m_AllGenerators.End())
	{
		XN_LOG_WARNING_RETURN(XN_STATUS_INVALID_GENERATOR, XN_MASK_MODULE_LOADER, "A Generator with the same description already exists!");
	}

	// Now load specific interface
	XnProductionNodeInterfaceContainer* pInterfaceContainer = NULL;

	nRetVal = LoadSpecificInterface(moduleOpenNIVersion, loaded.Description.Type, pExportedInterface, pInterfaceContainer);
	XN_IS_STATUS_OK(nRetVal);

	loaded.pInterface = pInterfaceContainer;

	if (strConfigDir != NULL)
	{
		loaded.strConfigDir = xnOSStrDup(strConfigDir);
	}

	// Add it to list
	if (m_loadingMode == LOADING_MODE_LOAD)
	{
		nRetVal = m_AllGenerators.Set(loaded.Description, loaded);
		if (nRetVal != XN_STATUS_OK)
		{
			xnOSFree(loaded.strConfigDir);
			XN_DELETE(pInterfaceContainer);
			return (nRetVal);
		}
	}