osrm-backend/include/extractor/edge_based_edge.hpp
2022-12-20 18:00:11 +01:00

100 lines
3.4 KiB
C++

#ifndef EDGE_BASED_EDGE_HPP
#define EDGE_BASED_EDGE_HPP
#include "extractor/travel_mode.hpp"
#include "util/typedefs.hpp"
#include <tuple>
namespace osrm::extractor
{
struct EdgeBasedEdge
{
public:
struct EdgeData
{
EdgeData()
: turn_id(0), weight{0}, distance{0}, duration(0), forward(false), backward(false)
{
}
EdgeData(const NodeID turn_id,
const EdgeWeight weight,
const EdgeDistance distance,
const EdgeDuration duration,
const bool forward,
const bool backward)
: turn_id(turn_id), weight(weight), distance(distance), duration(duration),
forward(forward), backward(backward)
{
}
NodeID turn_id; // ID of the edge based node (node based edge)
EdgeWeight weight;
EdgeDistance distance;
EdgeDuration::value_type duration : 30;
std::uint32_t forward : 1;
std::uint32_t backward : 1;
auto is_unidirectional() const { return !forward || !backward; }
};
EdgeBasedEdge();
template <class EdgeT> explicit EdgeBasedEdge(const EdgeT &other);
EdgeBasedEdge(const NodeID source,
const NodeID target,
const NodeID edge_id,
const EdgeWeight weight,
const EdgeDuration duration,
const EdgeDistance distance,
const bool forward,
const bool backward);
EdgeBasedEdge(const NodeID source, const NodeID target, const EdgeBasedEdge::EdgeData &data);
bool operator<(const EdgeBasedEdge &other) const;
NodeID source;
NodeID target;
EdgeData data;
};
static_assert(sizeof(extractor::EdgeBasedEdge) == 24,
"Size of extractor::EdgeBasedEdge type is "
"bigger than expected. This will influence "
"memory consumption.");
// Impl.
inline EdgeBasedEdge::EdgeBasedEdge() : source(0), target(0) {}
inline EdgeBasedEdge::EdgeBasedEdge(const NodeID source,
const NodeID target,
const NodeID turn_id,
const EdgeWeight weight,
const EdgeDuration duration,
const EdgeDistance distance,
const bool forward,
const bool backward)
: source(source), target(target), data{turn_id, weight, distance, duration, forward, backward}
{
}
inline EdgeBasedEdge::EdgeBasedEdge(const NodeID source,
const NodeID target,
const EdgeBasedEdge::EdgeData &data)
: source(source), target(target), data{data}
{
}
inline bool EdgeBasedEdge::operator<(const EdgeBasedEdge &other) const
{
const auto unidirectional = data.is_unidirectional();
const auto other_is_unidirectional = other.data.is_unidirectional();
// if all items are the same, we want to keep bidirectional edges. due to the `<` operator,
// preferring 0 (false) over 1 (true), we need to compare the inverse of `bidirectional`
return std::tie(source, target, data.weight, unidirectional) <
std::tie(other.source, other.target, other.data.weight, other_is_unidirectional);
}
} // namespace osrm::extractor
#endif /* EDGE_BASED_EDGE_HPP */