Repo created

libs/map/elevation_info.hpp

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+#pragma once
+
+#include "kml/types.hpp"
+
+#include "geometry/latlon.hpp"
+#include "geometry/point_with_altitude.hpp"
+
+#include "platform/location.hpp"
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+struct ElevationInfo
+{
+public:
+  struct Point
+  {
+    Point(geometry::PointWithAltitude point, double distance) : m_point(point), m_distance(distance) {}
+    geometry::PointWithAltitude const m_point;
+    double const m_distance;
+  };
+
+  using Points = std::vector<Point>;
+  using GpsPoints = std::vector<location::GpsInfo>;
+  using GeometryLine = kml::MultiGeometry::LineT;
+  using SegmentsDistances = std::vector<double>;
+
+  enum Difficulty : uint8_t
+  {
+    Unknown,
+    Easy,
+    Medium,
+    Hard
+  };
+
+  ElevationInfo() = default;
+  explicit ElevationInfo(std::vector<GeometryLine> const & lines);
+
+  void AddGpsPoints(GpsPoints const & points);
+
+  size_t GetSize() const { return m_points.size(); }
+  Points const & GetPoints() const { return m_points; }
+  uint8_t GetDifficulty() const { return m_difficulty; }
+  SegmentsDistances const & GetSegmentsDistances() const { return m_segmentsDistances; }
+
+private:
+  // Points with distance from start of the track and altitude.
+  Points m_points;
+  // Some digital difficulty level with value in range [0-kMaxDifficulty]
+  // or kInvalidDifficulty when difficulty is not found or incorrect.
+  Difficulty m_difficulty = Difficulty::Unknown;
+  // Distances to the start of each segment.
+  SegmentsDistances m_segmentsDistances;
+
+  void AddPoints(GeometryLine const & line, bool isNewSegment = false);
+};