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#include "routing/geometry.hpp"
#include "routing/routing_exceptions.hpp"
#include "editor/editable_data_source.hpp"
#include "indexer/altitude_loader.hpp"
#include "geometry/mercator.hpp"
#include "base/assert.hpp"
#include <string>
using namespace routing;
using namespace std;
namespace
{
// @TODO(bykoianko) Consider setting cache size based on available memory.
// Maximum road geometry cache size in items.
size_t constexpr kRoadsCacheSize = 5000;
// GeometryLoaderImpl ------------------------------------------------------------------------------
class GeometryLoaderImpl final : public GeometryLoader
{
public:
GeometryLoaderImpl(DataSourceBase const & dataSource, MwmSet::MwmHandle const & handle,
shared_ptr<VehicleModelInterface> vehicleModel, bool loadAltitudes);
// GeometryLoader overrides:
void Load(uint32_t featureId, RoadGeometry & road) override;
private:
shared_ptr<VehicleModelInterface> m_vehicleModel;
EditableDataSource::FeaturesLoaderGuard m_guard;
string const m_country;
feature::AltitudeLoader m_altitudeLoader;
bool const m_loadAltitudes;
};
GeometryLoaderImpl::GeometryLoaderImpl(DataSourceBase const & dataSource, MwmSet::MwmHandle const & handle,
shared_ptr<VehicleModelInterface> vehicleModel, bool loadAltitudes)
: m_vehicleModel(move(vehicleModel))
, m_guard(dataSource, handle.GetId())
, m_country(handle.GetInfo()->GetCountryName())
, m_altitudeLoader(dataSource, handle.GetId())
, m_loadAltitudes(loadAltitudes)
{
CHECK(handle.IsAlive(), ());
CHECK(m_vehicleModel, ());
}
void GeometryLoaderImpl::Load(uint32_t featureId, RoadGeometry & road)
{
FeatureType feature;
bool const isFound = m_guard.GetFeatureByIndex(featureId, feature);
if (!isFound)
MYTHROW(RoutingException, ("Feature", featureId, "not found in ", m_country));
feature.ParseGeometry(FeatureType::BEST_GEOMETRY);
feature::TAltitudes const * altitudes = nullptr;
if (m_loadAltitudes)
altitudes = &(m_altitudeLoader.GetAltitudes(featureId, feature.GetPointsCount()));
road.Load(*m_vehicleModel, feature, altitudes);
m_altitudeLoader.ClearCache();
}
// FileGeometryLoader ------------------------------------------------------------------------------
class FileGeometryLoader final : public GeometryLoader
{
public:
FileGeometryLoader(string const & fileName, shared_ptr<VehicleModelInterface> vehicleModel);
// GeometryLoader overrides:
void Load(uint32_t featureId, RoadGeometry & road) override;
private:
FeaturesVectorTest m_featuresVector;
shared_ptr<VehicleModelInterface> m_vehicleModel;
};
FileGeometryLoader::FileGeometryLoader(string const & fileName,
shared_ptr<VehicleModelInterface> vehicleModel)
: m_featuresVector(FilesContainerR(make_unique<FileReader>(fileName)))
, m_vehicleModel(vehicleModel)
{
CHECK(m_vehicleModel, ());
}
void FileGeometryLoader::Load(uint32_t featureId, RoadGeometry & road)
{
FeatureType feature;
m_featuresVector.GetVector().GetByIndex(featureId, feature);
feature.ParseGeometry(FeatureType::BEST_GEOMETRY);
road.Load(*m_vehicleModel, feature, nullptr /* altitudes */);
}
} // namespace
namespace routing
{
// RoadGeometry ------------------------------------------------------------------------------------
RoadGeometry::RoadGeometry(bool oneWay, double speed, Points const & points)
: m_speed(speed), m_isOneWay(oneWay), m_valid(true)
{
ASSERT_GREATER(speed, 0.0, ());
m_junctions.reserve(points.size());
for (auto const & point : points)
m_junctions.emplace_back(point, feature::kDefaultAltitudeMeters);
}
void RoadGeometry::Load(VehicleModelInterface const & vehicleModel, FeatureType const & feature,
feature::TAltitudes const * altitudes)
{
CHECK(altitudes == nullptr || altitudes->size() == feature.GetPointsCount(), ());
m_valid = vehicleModel.IsRoad(feature);
m_isOneWay = vehicleModel.IsOneWay(feature);
m_speed = vehicleModel.GetSpeed(feature);
m_isPassThroughAllowed = vehicleModel.IsPassThroughAllowed(feature);
m_junctions.clear();
m_junctions.reserve(feature.GetPointsCount());
for (size_t i = 0; i < feature.GetPointsCount(); ++i)
{
m_junctions.emplace_back(feature.GetPoint(i),
altitudes ? (*altitudes)[i] : feature::kDefaultAltitudeMeters);
}
if (m_valid && m_speed <= 0.0)
{
auto const & id = feature.GetID();
CHECK(!m_junctions.empty(), ("mwm:", id.GetMwmName(), ", featureId:", id.m_index));
auto const begin = MercatorBounds::ToLatLon(m_junctions.front().GetPoint());
auto const end = MercatorBounds::ToLatLon(m_junctions.back().GetPoint());
LOG(LERROR, ("Invalid speed", m_speed, "mwm:", id.GetMwmName(), ", featureId:", id.m_index,
", begin:", begin, "end:", end));
m_valid = false;
}
}
// Geometry ----------------------------------------------------------------------------------------
Geometry::Geometry(unique_ptr<GeometryLoader> loader)
: m_loader(move(loader))
, m_featureIdToRoad(make_unique<FifoCache<uint32_t, RoadGeometry>>(
kRoadsCacheSize,
[this](uint32_t featureId, RoadGeometry & road) { m_loader->Load(featureId, road); }))
{
CHECK(m_loader, ());
}
RoadGeometry const & Geometry::GetRoad(uint32_t featureId)
{
ASSERT(m_featureIdToRoad, ());
ASSERT(m_loader, ());
return m_featureIdToRoad->GetValue(featureId);
}
// static
unique_ptr<GeometryLoader> GeometryLoader::Create(DataSourceBase const & dataSource,
MwmSet::MwmHandle const & handle,
shared_ptr<VehicleModelInterface> vehicleModel,
bool loadAltitudes)
{
CHECK(handle.IsAlive(), ());
return make_unique<GeometryLoaderImpl>(dataSource, handle, vehicleModel, loadAltitudes);
}
// static
unique_ptr<GeometryLoader> GeometryLoader::CreateFromFile(string const & fileName,
shared_ptr<VehicleModelInterface> vehicleModel)
{
return make_unique<FileGeometryLoader>(fileName, vehicleModel);
}
} // namespace routing
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