89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
#ifndef EDGE_BASED_EDGE_HPP
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#define EDGE_BASED_EDGE_HPP
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#include "extractor/travel_mode.hpp"
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#include "util/typedefs.hpp"
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#include <tuple>
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namespace osrm
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{
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namespace extractor
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{
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struct EdgeBasedEdge
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{
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public:
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EdgeBasedEdge();
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template <class EdgeT> explicit EdgeBasedEdge(const EdgeT &other);
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EdgeBasedEdge(const NodeID source,
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const NodeID target,
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const NodeID edge_id,
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const EdgeWeight weight,
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const EdgeWeight duration,
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const bool forward,
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const bool backward);
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bool operator<(const EdgeBasedEdge &other) const;
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NodeID source;
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NodeID target;
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struct EdgeData
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{
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EdgeData() : edge_id(0), weight(0), duration(0), forward(false), backward(false) {}
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EdgeData(const NodeID edge_id,
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const EdgeWeight weight,
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const EdgeWeight duration,
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const bool forward,
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const bool backward)
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: edge_id(edge_id), weight(weight), duration(duration), forward(forward),
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backward(backward)
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{
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}
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NodeID edge_id;
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EdgeWeight weight;
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EdgeWeight duration : 30;
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std::uint32_t forward : 1;
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std::uint32_t backward : 1;
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auto is_unidirectional() const { return !forward || !backward; }
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} data;
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};
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static_assert(sizeof(extractor::EdgeBasedEdge) == 20,
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"Size of extractor::EdgeBasedEdge type is "
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"bigger than expected. This will influence "
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"memory consumption.");
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// Impl.
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inline EdgeBasedEdge::EdgeBasedEdge() : source(0), target(0) {}
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inline EdgeBasedEdge::EdgeBasedEdge(const NodeID source,
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const NodeID target,
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const NodeID edge_id,
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const EdgeWeight weight,
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const EdgeWeight duration,
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const bool forward,
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const bool backward)
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: source(source), target(target), data{edge_id, weight, duration, forward, backward}
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{
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}
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inline bool EdgeBasedEdge::operator<(const EdgeBasedEdge &other) const
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{
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const auto unidirectional = data.is_unidirectional();
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const auto other_is_unidirectional = other.data.is_unidirectional();
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// if all items are the same, we want to keep bidirectional edges. due to the `<` operator,
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// preferring 0 (false) over 1 (true), we need to compare the inverse of `bidirectional`
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return std::tie(source, target, data.weight, unidirectional) <
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std::tie(other.source, other.target, other.data.weight, other_is_unidirectional);
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}
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} // ns extractor
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} // ns osrm
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#endif /* EDGE_BASED_EDGE_HPP */
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