all()

template<typename PointT >

std::vector< std::pair< uint32_t, PointT > > MayaFlux::Kinesis::SpatialIndex< PointT >::all

(

)

const

Return all entity ids and positions from the published snapshot.

Returns

Vector of (id, position) pairs. Empty if no snapshot published.

Definition at line 364 of file SpatialIndex.cpp.

{
    std::vector<std::pair<uint32_t, PointT>> result;
 
#ifdef MAYAFLUX_PLATFORM_MACOS
    auto [snap, slot] = acquire_snapshot();
    if (!snap) {
        return result;
    }
    result.reserve(snap->positions.size());
    for (uint32_t i = 0; i < static_cast<uint32_t>(snap->positions.size()); ++i) {
        result.emplace_back(snap->slot_to_id[i], snap->positions[i]);
    }
    release_snapshot(slot);
#else
    auto snap_ptr = m_snapshot.load(std::memory_order_acquire);
    if (!snap_ptr) {
        return result;
    }
    result.reserve(snap_ptr->positions.size());
    for (uint32_t i = 0; i < static_cast<uint32_t>(snap_ptr->positions.size()); ++i) {
        result.emplace_back(snap_ptr->slot_to_id[i], snap_ptr->positions[i]);
    }
#endif
 
    return result;
}

Referenced by MayaFlux::Kinesis::ray_cast(), and MayaFlux::Kinesis::ray_cast_all().

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