Function Scene_DuplicateMotionObjectMulti

src/luxcore/pyluxcore.cpp:1217–1303

}

static void Scene_DuplicateMotionObjectMulti(luxcore::detail::SceneImpl *scene,
		const string &srcObjName,
		const string &dstObjName,
		const unsigned int count,
		const u_int steps,
		const boost::python::object &times,
		const boost::python::object &transformations,
		const boost::python::object &objectIDs) {

		if (!PyObject_CheckBuffer(times.ptr())){
			const string objType = extract<string>((times.attr("__class__")).attr("__name__"));
			throw runtime_error("Unsupported data type in Scene.DuplicateObject() method: " + objType);
		}
		if (!PyObject_CheckBuffer(transformations.ptr())){
			const string objType = extract<string>((transformations.attr("__class__")).attr("__name__"));
			throw runtime_error("Unsupported data type in Scene.DuplicateObject() method: " + objType);
		}
		if (!PyObject_CheckBuffer(objectIDs.ptr())){
			const string objType = extract<string>((objectIDs.attr("__class__")).attr("__name__"));
			throw runtime_error("Unsupported data type in Scene.DuplicateObject() method: " + objType);
		}

		Py_buffer timesView;
		if (PyObject_GetBuffer(times.ptr(), &timesView, PyBUF_SIMPLE)) {
			const string objType = extract<string>((times.attr("__class__")).attr("__name__"));
			throw runtime_error("Unable to get a data view in Scene.DuplicateObject() method: " + objType);
		}
		Py_buffer transformationsView;
		if (PyObject_GetBuffer(transformations.ptr(), &transformationsView, PyBUF_SIMPLE)) {
			PyBuffer_Release(&timesView);

			const string objType = extract<string>((transformations.attr("__class__")).attr("__name__"));
			throw runtime_error("Unable to get a data view in Scene.DuplicateObject() method: " + objType);
		}
		Py_buffer objectIDsView;
		if (PyObject_GetBuffer(objectIDs.ptr(), &objectIDsView, PyBUF_SIMPLE)) {
			PyBuffer_Release(&timesView);
			PyBuffer_Release(&transformationsView);

			const string objType = extract<string>((objectIDs.attr("__class__")).attr("__name__"));
			throw runtime_error("Unable to get a data view in Scene.DuplicateObject() method: " + objType);
		}

		const size_t timesBufferSize = sizeof(float) * count;
		if ((size_t)timesView.len < timesBufferSize) {
			const string errorMsg = "Not enough times in the buffer of Scene.DuplicateObject() method: " +
					luxrays::ToString(timesView.len) + " instead of " + luxrays::ToString(timesBufferSize);

			PyBuffer_Release(&timesView);
			PyBuffer_Release(&transformationsView);
			PyBuffer_Release(&objectIDsView);

			throw runtime_error(errorMsg);
		}
		const size_t transformationsBufferSize = sizeof(float) * 16 * count;
		if ((size_t)transformationsView.len < transformationsBufferSize) {
			const string errorMsg = "Not enough matrices in the buffer of Scene.DuplicateObject() method: " +
					luxrays::ToString(transformationsView.len) + " instead of " + luxrays::ToString(transformationsBufferSize);