collect()

void MayaFlux::Kriya::Chimera::collect ( State &  state, Layer &  layer, uint32_t  index, double  elapsed  )

staticprivate

Definition at line 200 of file Chimera.cpp.

{
    const auto& collection = layer.collection;
    const uint64_t head = collection->get_write_head();
    if (head == 0) {
        return;
    }
 
    const double rate = layer.collection_rate > 0.0 ? layer.collection_rate : state.frame_rate;
    place(state, layer, head, rate, 1.0, elapsed);
 
    const auto frame = static_cast<uint64_t>(std::max(std::floor(layer.position), 0.0));
    const uint64_t ring = collection->get_spec().ring_layers;
    if (frame >= head || (ring > 0 && frame + ring < head)) {
        if (!layer.missed) {
            MF_WARN(Journal::Component::Kriya, Journal::Context::CoroutineScheduling,
                "Chimera layer {} is outside the collection, holding its last frame", index);
            layer.missed = true;
        }
        return;
    }
    layer.missed = false;
 
    const auto slot = static_cast<uint32_t>(ring > 0 ? frame % ring : frame);
    if (state.buffer->submit_layer(index, collection->to_image(slot))) {
        stamp(state, index,
            glm::vec4(static_cast<float>(elapsed), static_cast<float>(static_cast<double>(head) - layer.position),
                static_cast<float>(layer.position), 1.0F));
    }
}

References MayaFlux::Kriya::Chimera::State::buffer, MayaFlux::Kriya::Chimera::Layer::collection, MayaFlux::Kriya::Chimera::Layer::collection_rate, MayaFlux::Journal::CoroutineScheduling, MayaFlux::Kriya::Chimera::State::frame_rate, index, MayaFlux::Journal::Kriya, MF_WARN, MayaFlux::Kriya::Chimera::Layer::missed, place(), MayaFlux::Kriya::Chimera::Layer::position, rate, and stamp().

Referenced by tick().

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