road/element/Waypoint.h

浏览该文件的文档.

// Copyright (c) 2017 Computer Vision Center (CVC) at the Universitat Autonoma
// de Barcelona (UAB).
//
// This work is licensed under the terms of the MIT license.
// For a copy, see <https://opensource.org/licenses/MIT>.
 
#pragma once
 
#include "carla/road/RoadTypes.h"
 
#include <cstdint>
#include <functional>
 
namespace carla {
namespace road {
namespace element {
 
  struct Waypoint {
 
    RoadId road_id = 0u;
 
    SectionId section_id = 0u;
 
    LaneId lane_id = 0;
 
    double s = 0.0;
  };
 
} // namespace element
} // namespace road
} // namespace carla
 
namespace std {
 
  template <>
  struct hash<carla::road::element::Waypoint> {
 
    using argument_type = carla::road::element::Waypoint;
 
    using result_type = uint64_t;
 
    /// Generates an unique id for @a waypoint based on its road_id, lane_id,
    /// section_id, and "s" offset. The "s" offset is truncated to half
    /// centimetre precision.
    result_type operator()(const argument_type &waypoint) const;
 
  };
 
} // namespace std
 
namespace carla {
namespace road {
namespace element {
 
  inline bool operator==(const Waypoint &lhs, const Waypoint &rhs) {
    auto hasher = std::hash<Waypoint>();
    return hasher(lhs) == hasher(rhs);
  }
 
  inline bool operator!=(const Waypoint &lhs, const Waypoint &rhs) {
    return !operator==(lhs, rhs);
  }
 
} // namespace element
} // namespace road
} // namespace carla