write_vertex_sample()

bool MayaFlux::IO::SpatialCache::write_vertex_sample ( const std::string &  stream_name, const SpatialSample &  sample  )

private

Definition at line 242 of file SpatialCache.cpp.

{
    auto it = m_impl->vertex_streams.find(stream_name);
    if (it == m_impl->vertex_streams.end()) {
        MetaData md;
        auto mit = m_impl->pending_metadata.find(stream_name);
        if (mit != m_impl->pending_metadata.end()) {
            md = mit->second;
            m_impl->pending_metadata.erase(mit);
        }
        auto stream = std::make_unique<VertexStream>();
        stream->object = OPoints(m_impl->archive->getTop(), stream_name, md);
        it = m_impl->vertex_streams.emplace(stream_name, std::move(stream)).first;
    }
    auto& stream = *it->second;
    auto& schema = stream.object.getSchema();
 
    const P3fArraySample pos_sample(
        reinterpret_cast<const V3f*>(sample.positions.data()), sample.positions.size());
    const V3fArraySample vel_sample = sample.velocities.empty()
        ? V3fArraySample()
        : V3fArraySample(reinterpret_cast<const V3f*>(sample.velocities.data()), sample.velocities.size());
 
    if (sample.ids.empty()) {
        schema.set(OPointsSchema::Sample(pos_sample, vel_sample));
    } else {
        const UInt64ArraySample id_sample(sample.ids.data(), sample.ids.size());
        schema.set(OPointsSchema::Sample(pos_sample, id_sample, vel_sample));
    }
 
    for (const auto& attr : sample.attributes) {
        const size_t expected = vertex_attribute_count(attr.scope, sample.positions.size());
        if (!set_attribute(stream.geom_params, schema.getArbGeomParams(), attr, expected)) {
            set_error("write: attribute '" + attr.name + "' has an unsupported type, wrong "
                + "element count, or was redeclared with a different type");
            MF_ERROR(Journal::Component::IO, Journal::Context::FileIO,
                "SpatialCache::write: '{}': {}", stream_name, get_last_error());
            return false;
        }
    }
 
    return true;
}

References MayaFlux::IO::SpatialSample::attributes, MayaFlux::Journal::FileIO, get_last_error(), MayaFlux::IO::SpatialSample::ids, MayaFlux::Journal::IO, m_impl, MF_ERROR, MayaFlux::IO::SpatialSample::positions, set_error(), stream, and MayaFlux::IO::SpatialSample::velocities.

Referenced by write().

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