std::vector<RouteStep> assembleSteps(const DataFacadeT &facade,
const std::vector<PathData> &leg_data,
const LegGeometry &leg_geometry,
const PhantomNode &source_node,
const PhantomNode &target_node,
const bool source_traversed_in_reverse,
const bool target_traversed_in_reverse)
{
const double constexpr ZERO_DURATION = 0., ZERO_DISTANCE = 0.;
const constexpr char *NO_ROTARY_NAME = "";
const EdgeWeight source_duration =
source_traversed_in_reverse ? source_node.reverse_weight : source_node.forward_weight;
const auto source_mode = source_traversed_in_reverse ? source_node.backward_travel_mode
: source_node.forward_travel_mode;
const EdgeWeight target_duration =
target_traversed_in_reverse ? target_node.reverse_weight : target_node.forward_weight;
const auto target_mode = target_traversed_in_reverse ? target_node.backward_travel_mode
: target_node.forward_travel_mode;
const auto number_of_segments = leg_geometry.GetNumberOfSegments();
std::vector<RouteStep> steps;
steps.reserve(number_of_segments);
std::size_t segment_index = 0;
BOOST_ASSERT(leg_geometry.locations.size() >= 2);
auto bearings = detail::getDepartBearings(leg_geometry);
StepManeuver maneuver{source_node.location,
bearings.first,
bearings.second,
extractor::guidance::TurnInstruction::NO_TURN(),
WaypointType::Depart,
0};
Intersection intersection{source_node.location,
std::vector<short>({bearings.second}),
std::vector<bool>({true}),
Intersection::NO_INDEX,
0};
if (leg_data.size() > 0)
{
// PathData saves the information we need of the segment _before_ the turn,
// but a RouteStep is with regard to the segment after the turn.
// We need to skip the first segment because it is already covered by the
// initial start of a route
int segment_duration = 0;
// some name changes are not announced in our processing. For these, we have to keep the
// first name on the segment
auto step_name_id = source_node.name_id;
for (std::size_t leg_data_index = 0; leg_data_index < leg_data.size(); ++leg_data_index)
{
const auto &path_point = leg_data[leg_data_index];
segment_duration += path_point.duration_until_turn;
// all changes to this check have to be matched with assemble_geometry
if (path_point.turn_instruction.type != extractor::guidance::TurnType::NoTurn)
{
BOOST_ASSERT(segment_duration >= 0);
const auto name = facade.GetNameForID(step_name_id);
const auto pronunciation = facade.GetPronunciationForID(step_name_id);
const auto destinations = facade.GetDestinationsForID(step_name_id);
const auto distance = leg_geometry.segment_distances[segment_index];
steps.push_back(RouteStep{step_name_id,
std::move(name),
std::move(pronunciation),
std::move(destinations),
NO_ROTARY_NAME,
segment_duration / 10.0,
distance,
path_point.travel_mode,
maneuver,
leg_geometry.FrontIndex(segment_index),
leg_geometry.BackIndex(segment_index) + 1,
{intersection}});
if (leg_data_index + 1 < leg_data.size())
{
step_name_id = leg_data[leg_data_index + 1].name_id;
}
else
{
step_name_id = target_node.name_id;
}
bearings = detail::getIntermediateBearings(leg_geometry, segment_index);
const auto entry_class = facade.GetEntryClass(path_point.entry_classid);
const auto bearing_class =
facade.GetBearingClass(facade.GetBearingClassID(path_point.turn_via_node));
intersection.in = bearing_class.findMatchingBearing(
util::bearing::reverseBearing(bearings.first));
intersection.out = bearing_class.findMatchingBearing(bearings.second);
intersection.location = facade.GetCoordinateOfNode(path_point.turn_via_node);
intersection.bearings.clear();
intersection.bearings.reserve(bearing_class.getAvailableBearings().size());
std::copy(bearing_class.getAvailableBearings().begin(),
bearing_class.getAvailableBearings().end(),
std::back_inserter(intersection.bearings));
intersection.entry.clear();
for (auto idx : util::irange<std::size_t>(0, intersection.bearings.size()))
{
intersection.entry.push_back(entry_class.allowsEntry(idx));
}
maneuver = {intersection.location,
bearings.first,
bearings.second,
path_point.turn_instruction,
WaypointType::None,
0};
segment_index++;
segment_duration = 0;
}
}
const auto distance = leg_geometry.segment_distances[segment_index];
const int duration = segment_duration + target_duration;
BOOST_ASSERT(duration >= 0);
steps.push_back(RouteStep{step_name_id,
facade.GetNameForID(step_name_id),
facade.GetPronunciationForID(step_name_id),
facade.GetDestinationsForID(step_name_id),
NO_ROTARY_NAME,
duration / 10.,
distance,
target_mode,
maneuver,
leg_geometry.FrontIndex(segment_index),
leg_geometry.BackIndex(segment_index) + 1,
{intersection}});
}
// In this case the source + target are on the same edge segment
else
{
BOOST_ASSERT(source_node.fwd_segment_position == target_node.fwd_segment_position);
// s t
// u-------------v
// |---| source_duration
// |---------| target_duration
int duration = target_duration - source_duration;
BOOST_ASSERT(duration >= 0);
steps.push_back(RouteStep{source_node.name_id,
facade.GetNameForID(source_node.name_id),
facade.GetPronunciationForID(source_node.name_id),
facade.GetDestinationsForID(source_node.name_id),
NO_ROTARY_NAME,
duration / 10.,
leg_geometry.segment_distances[segment_index],
source_mode,
std::move(maneuver),
leg_geometry.FrontIndex(segment_index),
leg_geometry.BackIndex(segment_index) + 1,
{intersection}});
}
BOOST_ASSERT(segment_index == number_of_segments - 1);
bearings = detail::getArriveBearings(leg_geometry);
// This step has length zero, the only reason we need it is the target location
maneuver = {intersection.location,
bearings.first,
bearings.second,
extractor::guidance::TurnInstruction::NO_TURN(),
WaypointType::Arrive,
0};
intersection = {
target_node.location,
std::vector<short>({static_cast<short>(util::bearing::reverseBearing(bearings.first))}),
std::vector<bool>({true}),
0,
Intersection::NO_INDEX};
BOOST_ASSERT(!leg_geometry.locations.empty());
steps.push_back(RouteStep{target_node.name_id,
facade.GetNameForID(target_node.name_id),
facade.GetPronunciationForID(target_node.name_id),
facade.GetDestinationsForID(target_node.name_id),
NO_ROTARY_NAME,
ZERO_DURATION,
ZERO_DISTANCE,
target_mode,
std::move(maneuver),
leg_geometry.locations.size() - 1,
leg_geometry.locations.size(),
{intersection}});
BOOST_ASSERT(steps.front().intersections.size() == 1);
BOOST_ASSERT(steps.front().intersections.front().bearings.size() == 1);
BOOST_ASSERT(steps.front().intersections.front().entry.size() == 1);
BOOST_ASSERT(steps.front().maneuver.waypoint_type == WaypointType::Depart);
BOOST_ASSERT(steps.back().intersections.size() == 1);
BOOST_ASSERT(steps.back().intersections.front().bearings.size() == 1);
BOOST_ASSERT(steps.back().intersections.front().entry.size() == 1);
BOOST_ASSERT(steps.back().maneuver.waypoint_type == WaypointType::Arrive);
return steps;
}
std::vector<RouteStep> assembleSteps(const DataFacadeT &facade,
const std::vector<PathData> &leg_data,
const LegGeometry &leg_geometry,
const PhantomNode &source_node,
const PhantomNode &target_node,
const bool source_traversed_in_reverse,
const bool target_traversed_in_reverse)
{
const double constexpr ZERO_DURATION = 0., ZERO_DISTANCE = 0.;
const constexpr char *NO_ROTARY_NAME = "";
const EdgeWeight source_duration =
source_traversed_in_reverse ? source_node.reverse_weight : source_node.forward_weight;
const auto source_mode = source_traversed_in_reverse ? source_node.backward_travel_mode
: source_node.forward_travel_mode;
const EdgeWeight target_duration =
target_traversed_in_reverse ? target_node.reverse_weight : target_node.forward_weight;
const auto target_mode = target_traversed_in_reverse ? target_node.backward_travel_mode
: target_node.forward_travel_mode;
const auto number_of_segments = leg_geometry.GetNumberOfSegments();
std::vector<RouteStep> steps;
steps.reserve(number_of_segments);
std::size_t segment_index = 0;
BOOST_ASSERT(leg_geometry.locations.size() >= 2);
if (leg_data.size() > 0)
{
StepManeuver maneuver = detail::stepManeuverFromGeometry(
extractor::guidance::TurnInstruction::NO_TURN(), WaypointType::Depart, leg_geometry);
maneuver.location = source_node.location;
// PathData saves the information we need of the segment _before_ the turn,
// but a RouteStep is with regard to the segment after the turn.
// We need to skip the first segment because it is already covered by the
// initial start of a route
int segment_duration = 0;
for (const auto &path_point : leg_data)
{
segment_duration += path_point.duration_until_turn;
// all changes to this check have to be matched with assemble_geometry
if (path_point.turn_instruction.type != extractor::guidance::TurnType::NoTurn)
{
BOOST_ASSERT(segment_duration >= 0);
const auto name = facade.GetNameForID(path_point.name_id);
const auto distance = leg_geometry.segment_distances[segment_index];
steps.push_back(RouteStep{path_point.name_id, name, NO_ROTARY_NAME,
segment_duration / 10.0, distance, path_point.travel_mode,
maneuver, leg_geometry.FrontIndex(segment_index),
leg_geometry.BackIndex(segment_index) + 1});
maneuver = detail::stepManeuverFromGeometry(path_point.turn_instruction,
leg_geometry, segment_index);
segment_index++;
segment_duration = 0;
}
}
const auto distance = leg_geometry.segment_distances[segment_index];
const int duration = segment_duration + target_duration;
BOOST_ASSERT(duration >= 0);
steps.push_back(RouteStep{target_node.name_id, facade.GetNameForID(target_node.name_id),
NO_ROTARY_NAME, duration / 10., distance, target_mode, maneuver,
leg_geometry.FrontIndex(segment_index),
leg_geometry.BackIndex(segment_index) + 1});
}
// In this case the source + target are on the same edge segment
else
{
BOOST_ASSERT(source_node.fwd_segment_position == target_node.fwd_segment_position);
// s t
// u-------------v
// |---| source_duration
// |---------| target_duration
StepManeuver maneuver = detail::stepManeuverFromGeometry(
extractor::guidance::TurnInstruction::NO_TURN(), WaypointType::Depart, leg_geometry);
int duration = target_duration - source_duration;
BOOST_ASSERT(duration >= 0);
steps.push_back(RouteStep{source_node.name_id, facade.GetNameForID(source_node.name_id),
NO_ROTARY_NAME, duration / 10.,
leg_geometry.segment_distances[segment_index], source_mode,
std::move(maneuver), leg_geometry.FrontIndex(segment_index),
leg_geometry.BackIndex(segment_index) + 1});
}
BOOST_ASSERT(segment_index == number_of_segments - 1);
// This step has length zero, the only reason we need it is the target location
auto final_maneuver = detail::stepManeuverFromGeometry(
extractor::guidance::TurnInstruction::NO_TURN(), WaypointType::Arrive, leg_geometry);
BOOST_ASSERT(!leg_geometry.locations.empty());
steps.push_back(RouteStep{target_node.name_id, facade.GetNameForID(target_node.name_id),
NO_ROTARY_NAME, ZERO_DURATION, ZERO_DISTANCE, target_mode,
final_maneuver, leg_geometry.locations.size()-1,
leg_geometry.locations.size()});
return steps;
}