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#include "routing/features_road_graph.hpp"
#include "routing/nearest_edge_finder.hpp"
#include "routing/route.hpp"
#include "routing_common/vehicle_model.hpp"
#include "indexer/classificator.hpp"
#include "indexer/data_source.hpp"
#include "indexer/ftypes_matcher.hpp"
#include "indexer/scales.hpp"
#include "geometry/distance_on_sphere.hpp"
#include "base/logging.hpp"
#include "base/macros.hpp"
#include "std/limits.hpp"
namespace routing
{
namespace
{
uint32_t constexpr kPowOfTwoForFeatureCacheSize = 10; // cache contains 2 ^ kPowOfTwoForFeatureCacheSize elements
double constexpr kMwmRoadCrossingRadiusMeters = 2.0;
double constexpr kMwmCrossingNodeEqualityRadiusMeters = 100.0;
} // namespace
double GetRoadCrossingRadiusMeters() { return kMwmRoadCrossingRadiusMeters; }
FeaturesRoadGraph::Value::Value(DataSource const & dataSource, MwmSet::MwmHandle handle)
: m_mwmHandle(move(handle))
{
if (!m_mwmHandle.IsAlive())
return;
m_altitudeLoader = make_unique<feature::AltitudeLoader>(dataSource, m_mwmHandle.GetId());
}
FeaturesRoadGraph::CrossCountryVehicleModel::CrossCountryVehicleModel(
shared_ptr<VehicleModelFactoryInterface> vehicleModelFactory)
: m_vehicleModelFactory(vehicleModelFactory)
, m_maxSpeed(m_vehicleModelFactory->GetVehicleModel()->GetMaxWeightSpeed())
, m_offroadSpeedKMpH(m_vehicleModelFactory->GetVehicleModel()->GetOffroadSpeed())
{
}
SpeedKMpH FeaturesRoadGraph::CrossCountryVehicleModel::GetSpeed(
FeatureType & f, SpeedParams const & speedParams) const
{
return GetVehicleModel(f.GetID())->GetSpeed(f, speedParams);
}
double FeaturesRoadGraph::CrossCountryVehicleModel::GetOffroadSpeed() const
{
return m_offroadSpeedKMpH;
}
bool FeaturesRoadGraph::CrossCountryVehicleModel::IsOneWay(FeatureType & f) const
{
return GetVehicleModel(f.GetID())->IsOneWay(f);
}
bool FeaturesRoadGraph::CrossCountryVehicleModel::IsRoad(FeatureType & f) const
{
return GetVehicleModel(f.GetID())->IsRoad(f);
}
bool FeaturesRoadGraph::CrossCountryVehicleModel::IsPassThroughAllowed(FeatureType & f) const
{
return GetVehicleModel(f.GetID())->IsPassThroughAllowed(f);
}
VehicleModelInterface * FeaturesRoadGraph::CrossCountryVehicleModel::GetVehicleModel(
FeatureID const & featureId) const
{
auto itr = m_cache.find(featureId.m_mwmId);
if (itr != m_cache.end())
return itr->second.get();
auto const vehicleModel = m_vehicleModelFactory->GetVehicleModelForCountry(
featureId.m_mwmId.GetInfo()->GetCountryName());
ASSERT(vehicleModel, ());
ASSERT_EQUAL(m_maxSpeed, vehicleModel->GetMaxWeightSpeed(), ());
itr = m_cache.insert(make_pair(featureId.m_mwmId, move(vehicleModel))).first;
return itr->second.get();
}
void FeaturesRoadGraph::CrossCountryVehicleModel::Clear()
{
m_cache.clear();
}
IRoadGraph::RoadInfo & FeaturesRoadGraph::RoadInfoCache::Find(FeatureID const & featureId, bool & found)
{
auto res = m_cache.insert(make_pair(featureId.m_mwmId, TMwmFeatureCache()));
if (res.second)
res.first->second.Init(kPowOfTwoForFeatureCacheSize);
return res.first->second.Find(featureId.m_index, found);
}
void FeaturesRoadGraph::RoadInfoCache::Clear()
{
m_cache.clear();
}
FeaturesRoadGraph::FeaturesRoadGraph(DataSource const & dataSource, IRoadGraph::Mode mode,
shared_ptr<VehicleModelFactoryInterface> vehicleModelFactory)
: m_dataSource(dataSource), m_mode(mode), m_vehicleModel(vehicleModelFactory)
{
}
int FeaturesRoadGraph::GetStreetReadScale() { return scales::GetUpperScale(); }
class CrossFeaturesLoader
{
public:
CrossFeaturesLoader(FeaturesRoadGraph const & graph, IRoadGraph::ICrossEdgesLoader & edgesLoader)
: m_graph(graph), m_edgesLoader(edgesLoader)
{}
void operator()(FeatureType & ft)
{
if (!m_graph.IsRoad(ft))
return;
FeatureID const featureId = ft.GetID();
auto constexpr invalidSpeed = numeric_limits<double>::max();
IRoadGraph::RoadInfo const & roadInfo = m_graph.GetCachedRoadInfo(featureId, ft, invalidSpeed);
CHECK_EQUAL(roadInfo.m_speedKMPH, invalidSpeed, ());
m_edgesLoader(featureId, roadInfo.m_junctions, roadInfo.m_bidirectional);
}
private:
FeaturesRoadGraph const & m_graph;
IRoadGraph::ICrossEdgesLoader & m_edgesLoader;
};
IRoadGraph::RoadInfo FeaturesRoadGraph::GetRoadInfo(FeatureID const & featureId,
SpeedParams const & speedParams) const
{
RoadInfo const & ri = GetCachedRoadInfo(featureId, speedParams);
ASSERT_GREATER(ri.m_speedKMPH, 0.0, ());
return ri;
}
double FeaturesRoadGraph::GetSpeedKMpH(FeatureID const & featureId, SpeedParams const & speedParams) const
{
double const speedKMPH = GetCachedRoadInfo(featureId, speedParams).m_speedKMPH;
ASSERT_GREATER(speedKMPH, 0.0, ());
return speedKMPH;
}
double FeaturesRoadGraph::GetMaxSpeedKMpH() const { return m_vehicleModel.GetMaxWeightSpeed(); }
void FeaturesRoadGraph::ForEachFeatureClosestToCross(m2::PointD const & cross,
ICrossEdgesLoader & edgesLoader) const
{
CrossFeaturesLoader featuresLoader(*this, edgesLoader);
m2::RectD const rect = MercatorBounds::RectByCenterXYAndSizeInMeters(cross, kMwmRoadCrossingRadiusMeters);
m_dataSource.ForEachInRect(featuresLoader, rect, GetStreetReadScale());
}
void FeaturesRoadGraph::FindClosestEdges(m2::PointD const & point, uint32_t count,
vector<pair<Edge, Junction>> & vicinities) const
{
NearestEdgeFinder finder(point);
auto const f = [&finder, this](FeatureType & ft)
{
if (!m_vehicleModel.IsRoad(ft))
return;
FeatureID const featureId = ft.GetID();
auto constexpr invalidSpeed = numeric_limits<double>::max();
IRoadGraph::RoadInfo const & roadInfo = GetCachedRoadInfo(featureId, ft, invalidSpeed);
CHECK_EQUAL(roadInfo.m_speedKMPH, invalidSpeed, ());
finder.AddInformationSource(featureId, roadInfo.m_junctions, roadInfo.m_bidirectional);
};
m_dataSource.ForEachInRect(
f, MercatorBounds::RectByCenterXYAndSizeInMeters(point, kMwmCrossingNodeEqualityRadiusMeters),
GetStreetReadScale());
finder.MakeResult(vicinities, count);
}
void FeaturesRoadGraph::GetFeatureTypes(FeatureID const & featureId, feature::TypesHolder & types) const
{
FeaturesLoaderGuard loader(m_dataSource, featureId.m_mwmId);
auto ft = loader.GetFeatureByIndex(featureId.m_index);
if (!ft)
return;
ASSERT_EQUAL(ft->GetFeatureType(), feature::GEOM_LINE, ());
types = feature::TypesHolder(*ft);
}
void FeaturesRoadGraph::GetJunctionTypes(Junction const & junction, feature::TypesHolder & types) const
{
types = feature::TypesHolder();
m2::PointD const & cross = junction.GetPoint();
auto const f = [&types, &cross](FeatureType & ft) {
if (!types.Empty())
return;
if (ft.GetFeatureType() != feature::GEOM_POINT)
return;
if (!base::AlmostEqualAbs(ft.GetCenter(), cross, routing::kPointsEqualEpsilon))
return;
feature::TypesHolder typesHolder(ft);
if (!typesHolder.Empty())
types = typesHolder;
};
m2::RectD const rect = MercatorBounds::RectByCenterXYAndSizeInMeters(cross, kMwmRoadCrossingRadiusMeters);
m_dataSource.ForEachInRect(f, rect, GetStreetReadScale());
}
IRoadGraph::Mode FeaturesRoadGraph::GetMode() const
{
return m_mode;
};
void FeaturesRoadGraph::ClearState()
{
m_cache.Clear();
m_vehicleModel.Clear();
m_mwmLocks.clear();
}
bool FeaturesRoadGraph::IsRoad(FeatureType & ft) const { return m_vehicleModel.IsRoad(ft); }
bool FeaturesRoadGraph::IsOneWay(FeatureType & ft) const { return m_vehicleModel.IsOneWay(ft); }
double FeaturesRoadGraph::GetSpeedKMpHFromFt(FeatureType & ft, SpeedParams const & speedParams) const
{
return m_vehicleModel.GetSpeed(ft, speedParams).m_weight;
}
void FeaturesRoadGraph::ExtractRoadInfo(FeatureID const & featureId, FeatureType & ft,
double speedKMpH, RoadInfo & ri) const
{
Value const & value = LockMwm(featureId.m_mwmId);
if (!value.IsAlive())
return;
ri.m_bidirectional = !IsOneWay(ft);
ri.m_speedKMPH = speedKMpH;
ft.ParseGeometry(FeatureType::BEST_GEOMETRY);
size_t const pointsCount = ft.GetPointsCount();
feature::TAltitudes altitudes;
if (value.m_altitudeLoader)
{
altitudes = value.m_altitudeLoader->GetAltitudes(featureId.m_index, ft.GetPointsCount());
}
else
{
ASSERT(false, ());
altitudes = feature::TAltitudes(ft.GetPointsCount(), feature::kDefaultAltitudeMeters);
}
CHECK_EQUAL(altitudes.size(), pointsCount,
("altitudeLoader->GetAltitudes(", featureId.m_index, "...) returns wrong alititudes:",
altitudes));
ri.m_junctions.resize(pointsCount);
for (size_t i = 0; i < pointsCount; ++i)
ri.m_junctions[i] = Junction(ft.GetPoint(i), altitudes[i]);
}
IRoadGraph::RoadInfo const & FeaturesRoadGraph::GetCachedRoadInfo(FeatureID const & featureId,
SpeedParams const & speedParams) const
{
bool found = false;
RoadInfo & ri = m_cache.Find(featureId, found);
if (found)
return ri;
FeaturesLoaderGuard loader(m_dataSource, featureId.m_mwmId);
auto ft = loader.GetFeatureByIndex(featureId.m_index);
if (!ft)
return ri;
ASSERT_EQUAL(ft->GetFeatureType(), feature::GEOM_LINE, ());
ExtractRoadInfo(featureId, *ft, GetSpeedKMpHFromFt(*ft, speedParams), ri);
return ri;
}
IRoadGraph::RoadInfo const & FeaturesRoadGraph::GetCachedRoadInfo(FeatureID const & featureId,
FeatureType & ft,
double speedKMPH) const
{
bool found = false;
RoadInfo & ri = m_cache.Find(featureId, found);
if (found)
return ri;
// ft must be set
ASSERT_EQUAL(featureId, ft.GetID(), ());
ExtractRoadInfo(featureId, ft, speedKMPH, ri);
return ri;
}
FeaturesRoadGraph::Value const & FeaturesRoadGraph::LockMwm(MwmSet::MwmId const & mwmId) const
{
ASSERT(mwmId.IsAlive(), ());
auto const itr = m_mwmLocks.find(mwmId);
if (itr != m_mwmLocks.end())
return itr->second;
return m_mwmLocks.insert(make_pair(move(mwmId), Value(m_dataSource, m_dataSource.GetMwmHandleById(mwmId))))
.first->second;
}
} // namespace routing
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