41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
#ifndef OSRM_EXTRACTOR_TRAFFIC_SIGNALS_HPP
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#define OSRM_EXTRACTOR_TRAFFIC_SIGNALS_HPP
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#include "util/std_hash.hpp"
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#include "util/typedefs.hpp"
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#include <unordered_set>
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#include <utility>
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namespace osrm::extractor
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{
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struct TrafficSignals
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{
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std::unordered_set<NodeID> bidirectional_nodes;
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std::unordered_set<std::pair<NodeID, NodeID>> unidirectional_segments;
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inline bool HasSignal(NodeID from, NodeID to) const
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{
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return bidirectional_nodes.count(to) > 0 || unidirectional_segments.count({from, to}) > 0;
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}
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void Compress(NodeID from, NodeID via, NodeID to)
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{
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bidirectional_nodes.erase(via);
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if (unidirectional_segments.count({via, to}))
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{
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unidirectional_segments.erase({via, to});
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unidirectional_segments.insert({from, to});
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}
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if (unidirectional_segments.count({via, from}))
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{
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unidirectional_segments.erase({via, from});
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unidirectional_segments.insert({to, from});
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}
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}
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};
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} // namespace osrm::extractor
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#endif // OSRM_EXTRACTOR_TRAFFIC_SIGNALS_HPP
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