// One of the core methods of PyOpenNI:
// It tries to find the exposed class that best matches the given node.
BP::object wrapNode(XnNodeHandle node) {
if (node == NULL) {
return BP::object();
}
XnNodeInfo* info = xnGetNodeInfo(node);
const XnProductionNodeDescription* desc = xnNodeInfoGetDescription(info);
XnProductionNodeType original = desc->Type;
if (isInstanceOf(original, XN_NODE_TYPE_PRODUCTION_NODE)) {
if (isInstanceOf(original, XN_NODE_TYPE_GENERATOR)) {
if (isInstanceOf(original, XN_NODE_TYPE_MAP_GENERATOR)) {
if (isInstanceOf(original, XN_NODE_TYPE_DEPTH)) {
return BP::object(xn::DepthGenerator(node));
}
if (isInstanceOf(original, XN_NODE_TYPE_IMAGE)) {
return BP::object(xn::ImageGenerator(node));
}
if (isInstanceOf(original, XN_NODE_TYPE_SCENE)) {
return BP::object(xn::SceneAnalyzer(node));
}
return BP::object(xn::MapGenerator(node));
}
if (isInstanceOf(original, XN_NODE_TYPE_GESTURE)) {
return BP::object(xn::GestureGenerator(node));
}
if (isInstanceOf(original, XN_NODE_TYPE_USER)) {
return BP::object(xn::UserGenerator(node));
}
if (isInstanceOf(original, XN_NODE_TYPE_AUDIO)) {
return BP::object(xn::AudioGenerator(node));
}
return BP::object(xn::Generator(node));
}
return BP::object(xn::ProductionNode(node));
}
//This should never happen
PyErr_SetString(PyExc_TypeError, "Couldn't find appropiate type to wrap node.");
throw BP::error_already_set();
}
XnStatus PlayerImpl::EnumerateNodes(XnNodeInfoList** ppList)
{
XnStatus nRetVal = XN_STATUS_OK;
nRetVal = xnNodeInfoListAllocate(ppList);
XN_IS_STATUS_OK(nRetVal);
for (PlayedNodesHash::Iterator it = m_playedNodes.begin(); it != m_playedNodes.end(); ++it)
{
XnNodeInfo* pNodeInfo = xnGetNodeInfo(it.Value().hNode);
nRetVal = xnNodeInfoListAddNode(*ppList, pNodeInfo);
if (nRetVal != XN_STATUS_OK)
{
xnNodeInfoListFree(*ppList);
return (nRetVal);
}
}
return (XN_STATUS_OK);
}
