Organic Maps sources as of 02.04.2025 (fad26bbf22ac3da75e01e62aa01e5c8e11861005)

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routing/guides_graph.hpp

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+#pragma once
+
+#include "routing/fake_ending.hpp"
+#include "routing/latlon_with_altitude.hpp"
+#include "routing/segment.hpp"
+
+#include "routing/base/small_list.hpp"
+
+#include "routing_common/num_mwm_id.hpp"
+
+#include "geometry/point2d.hpp"
+
+#include <cstdint>
+#include <map>
+#include <utility>
+#include <vector>
+
+namespace routing
+{
+// Segment of the track in the guides graph.
+struct GuideSegmentData
+{
+  LatLonWithAltitude m_pointFirst;
+  LatLonWithAltitude m_pointLast;
+  double m_weight = 0.0;
+};
+
+// Custom comparison optimized for Guides segments: they all have the same |m_mwmId| and
+// |m_forward| is always true.
+struct GuideSegmentCompare
+{
+  bool operator()(Segment const & lhs, Segment const & rhs) const;
+};
+
+using GuideSegments = std::map<Segment, GuideSegmentData, GuideSegmentCompare>;
+using IterOnTrack = GuideSegments::const_iterator;
+
+// Graph used in IndexGraphStarter for building routes through the guides tracks.
+class GuidesGraph
+{
+public:
+  GuidesGraph() = default;
+  explicit GuidesGraph(double maxSpeedMpS, NumMwmId mwmId);
+
+  Segment AddTrack(std::vector<geometry::PointWithAltitude> const & guideTrack,
+                   size_t requiredSegmentIdx);
+
+  FakeEnding MakeFakeEnding(Segment const & segment, m2::PointD const & point,
+                            geometry::PointWithAltitude const & projection) const;
+
+  using EdgeListT = SmallList<SegmentEdge>;
+  void GetEdgeList(Segment const & segment, bool isOutgoing, EdgeListT & edges,
+                   RouteWeight const & prevWeight) const;
+  routing::LatLonWithAltitude const & GetJunction(Segment const & segment, bool front) const;
+  RouteWeight CalcSegmentWeight(Segment const & segment) const;
+  Segment FindSegment(Segment const & segment, size_t segmentIdx) const;
+
+  // Returns back and front points of the segment. Segment belongs to one of the guides tracks.
+  std::pair<LatLonWithAltitude, LatLonWithAltitude> GetFromTo(Segment const & segment) const;
+
+  NumMwmId GetMwmId() const;
+
+private:
+  double CalcSegmentTimeS(LatLonWithAltitude const & point1,
+                          LatLonWithAltitude const & point2) const;
+
+  GuideSegments m_segments;
+  double m_maxSpeedMpS = 0.0;
+  NumMwmId m_mwmId = 0;
+  uint32_t m_curGuidesFeatrueId = 0;
+};
+}  // namespace routing