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59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
#pragma once
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#include "routing_common/maxspeed_conversion.hpp"
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#include "routing_common/vehicle_model.hpp"
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#include "indexer/mwm_set.hpp"
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#include "coding/memory_region.hpp"
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#include "coding/reader.hpp"
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#include "coding/simple_dense_coding.hpp"
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#include <memory>
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#include <vector>
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#include <unordered_map>
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#include "3party/succinct/elias_fano.hpp"
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namespace routing
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{
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class MaxspeedsSerializer;
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class Maxspeeds
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{
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friend class MaxspeedsSerializer;
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public:
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/// \returns false if there's no maxspeeds (forward or bidirectional) and true otherwise.
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bool IsEmpty() const;
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/// \returns Maxspeed for feature id |fid|. If there's no Maxspeed value for |fid|
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/// returns an invalid Maxspeed value.
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Maxspeed GetMaxspeed(uint32_t fid) const;
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MaxspeedType GetDefaultSpeed(bool inCity, HighwayType hwType) const;
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using ReaderT = ModelReaderPtr;
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void Load(ReaderT const & reader);
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private:
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bool HasForwardMaxspeed(uint32_t fid) const;
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// Feature IDs (compressed rank bit-vector).
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std::unique_ptr<CopiedMemoryRegion> m_forwardMaxspeedTableRegion;
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succinct::elias_fano m_forwardMaxspeedsTable;
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// Forward speeds (compressed uint8_t vector).
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std::unique_ptr<CopiedMemoryRegion> m_forwardMaxspeedRegion;
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coding::SimpleDenseCoding m_forwardMaxspeeds;
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std::vector<FeatureMaxspeed> m_bidirectionalMaxspeeds;
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static int constexpr DEFAULT_SPEEDS_COUNT = 2;
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// Default speeds (KmPerH) for MWM, 0 - outside a city, 1 - inside a city.
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std::unordered_map<HighwayType, MaxspeedType> m_defaultSpeeds[DEFAULT_SPEEDS_COUNT];
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};
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std::unique_ptr<Maxspeeds> LoadMaxspeeds(MwmSet::MwmHandle const & handle);
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} // namespace routing
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