select_next_segment()

size_t MayaFlux::Kakshya::RegionOrganizationProcessor::select_next_segment ( const OrganizedRegion &  region ) const

protectedvirtual

Select the next segment to process according to the region's pattern.

Parameters

region

The organized region.

Returns

Index of the next segment.

Definition at line 340 of file RegionProcessors.cpp.

{
    if (region.segments.empty())
        return 0;
 
    switch (region.selection_pattern) {
    case RegionSelectionPattern::SEQUENTIAL:
        return (region.active_segment_index + 1) % region.segments.size();
 
    case RegionSelectionPattern::RANDOM:
        if (std::uniform_int_distribution<size_t> dist(0, region.segments.size() - 1); true) {
            return dist(m_random_engine);
        }
 
    case RegionSelectionPattern::WEIGHTED:
        if (m_segment_weights.empty() || m_segment_weights.size() != region.segments.size()) {
            return region.active_segment_index % region.segments.size();
        }
 
        if (std::discrete_distribution<size_t> dist(m_segment_weights.begin(), m_segment_weights.end()); true) {
            return dist(m_random_engine);
        }
 
    default:
        return 0;
    }
}

References MayaFlux::Kakshya::OrganizedRegion::active_segment_index, m_random_engine, m_segment_weights, MayaFlux::Kakshya::RANDOM, MayaFlux::Kakshya::OrganizedRegion::segments, MayaFlux::Kakshya::OrganizedRegion::selection_pattern, MayaFlux::Kakshya::SEQUENTIAL, and MayaFlux::Kakshya::WEIGHTED.

Referenced by process_organized_regions().

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