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#include "generator/feature_builder.hpp"
#include "routing/bicycle_model.hpp"
#include "routing/car_model.hpp"
#include "routing/pedestrian_model.hpp"
#include "indexer/feature_impl.hpp"
#include "indexer/feature_visibility.hpp"
#include "indexer/geometry_serialization.hpp"
#include "indexer/coding_params.hpp"
#include "geometry/region2d.hpp"
#include "coding/bit_streams.hpp"
#include "coding/byte_stream.hpp"
#include "base/logging.hpp"
#include "base/string_utils.hpp"
#include "std/cstring.hpp"
#include "std/algorithm.hpp"
using namespace feature;
///////////////////////////////////////////////////////////////////////////////////////////////////
// FeatureBuilder1 implementation
///////////////////////////////////////////////////////////////////////////////////////////////////
FeatureBuilder1::FeatureBuilder1()
: m_coastCell(-1)
{
m_polygons.push_back(TPointSeq());
}
bool FeatureBuilder1::IsGeometryClosed() const
{
TPointSeq const & poly = GetOuterGeometry();
return (poly.size() > 2 && poly.front() == poly.back());
}
m2::PointD FeatureBuilder1::GetGeometryCenter() const
{
//TODO(govako): Check reqirements in this assert
//ASSERT ( IsGeometryClosed(), () );
m2::PointD ret(0.0, 0.0);
TPointSeq const & poly = GetOuterGeometry();
size_t const count = poly.size();
for (size_t i = 0; i < count; ++i)
ret += poly[i];
return ret / count;
}
m2::PointD FeatureBuilder1::GetKeyPoint() const
{
switch (GetGeomType())
{
case GEOM_POINT:
return m_center;
case GEOM_LINE: case GEOM_AREA:
return GetGeometryCenter();
default:
CHECK(false, ());
return m2::PointD();
}
}
void FeatureBuilder1::SetCenter(m2::PointD const & p)
{
m_center = p;
m_params.SetGeomType(GEOM_POINT);
m_limitRect.Add(p);
}
void FeatureBuilder1::SetRank(uint8_t rank)
{
m_params.rank = rank;
}
void FeatureBuilder1::SetTestId(uint64_t id)
{
m_params.GetMetadata().Set(Metadata::FMD_TEST_ID, strings::to_string(id));
}
void FeatureBuilder1::AddHouseNumber(string const & houseNumber)
{
m_params.AddHouseNumber(houseNumber);
}
void FeatureBuilder1::AddStreet(string const & streetName) { m_params.AddStreet(streetName); }
void FeatureBuilder1::AddPostcode(string const & postcode)
{
m_params.GetMetadata().Set(Metadata::FMD_POSTCODE, postcode);
}
void FeatureBuilder1::AddPoint(m2::PointD const & p)
{
m_polygons.front().push_back(p);
m_limitRect.Add(p);
}
void FeatureBuilder1::SetLinear(bool reverseGeometry)
{
m_params.SetGeomType(feature::GEOM_LINE);
m_polygons.resize(1);
if (reverseGeometry)
{
auto & cont = m_polygons.front();
ASSERT(!cont.empty(), ());
reverse(cont.begin(), cont.end());
}
}
void FeatureBuilder1::SetAreaAddHoles(FeatureBuilder1::TGeometry const & holes)
{
m_params.SetGeomType(GEOM_AREA);
m_polygons.resize(1);
if (holes.empty()) return;
TPointSeq const & poly = GetOuterGeometry();
m2::Region<m2::PointD> rgn(poly.begin(), poly.end());
for (TPointSeq const & points : holes)
{
ASSERT ( !points.empty(), (*this) );
size_t j = 0;
size_t const count = points.size();
for (; j < count; ++j)
if (!rgn.Contains(points[j]))
break;
if (j == count)
m_polygons.push_back(points);
}
}
void FeatureBuilder1::AddPolygon(vector<m2::PointD> & poly)
{
// check for closing
if (poly.size() < 3)
return;
if (poly.front() != poly.back())
poly.push_back(poly.front());
CalcRect(poly, m_limitRect);
if (!m_polygons.back().empty())
m_polygons.push_back(TPointSeq());
m_polygons.back().swap(poly);
}
void FeatureBuilder1::ResetGeometry()
{
m_polygons.clear();
m_polygons.push_back(TPointSeq());
m_limitRect.MakeEmpty();
}
bool FeatureBuilder1::RemoveInvalidTypes()
{
if (!m_params.FinishAddingTypes())
return false;
return feature::RemoveNoDrawableTypes(m_params.m_Types,
m_params.GetGeomType(),
m_params.IsEmptyNames());
}
bool FeatureBuilder1::FormatFullAddress(string & res) const
{
return m_params.FormatFullAddress(m_limitRect.Center(), res);
}
FeatureBase FeatureBuilder1::GetFeatureBase() const
{
CHECK ( CheckValid(), (*this) );
FeatureBase f;
f.SetHeader(m_params.GetHeader());
f.m_params = m_params;
memcpy(f.m_types, &m_params.m_Types[0], sizeof(uint32_t) * m_params.m_Types.size());
f.m_limitRect = m_limitRect;
f.m_bTypesParsed = f.m_bCommonParsed = true;
return f;
}
namespace
{
bool is_equal(double d1, double d2)
{
//return my::AlmostEqualULPs(d1, d2, 100000000);
return (fabs(d1 - d2) < MercatorBounds::GetCellID2PointAbsEpsilon());
}
bool is_equal(m2::PointD const & p1, m2::PointD const & p2)
{
return p1.EqualDxDy(p2, MercatorBounds::GetCellID2PointAbsEpsilon());
}
bool is_equal(m2::RectD const & r1, m2::RectD const & r2)
{
return (is_equal(r1.minX(), r2.minX()) &&
is_equal(r1.minY(), r2.minY()) &&
is_equal(r1.maxX(), r2.maxX()) &&
is_equal(r1.maxY(), r2.maxY()));
}
bool is_equal(vector<m2::PointD> const & v1, vector<m2::PointD> const & v2)
{
if (v1.size() != v2.size())
return false;
for (size_t i = 0; i < v1.size(); ++i)
if (!is_equal(v1[i], v2[i]))
return false;
return true;
}
}
bool FeatureBuilder1::IsRoad() const
{
static routing::PedestrianModel const pedModel;
static routing::BicycleModel const bicModel;
return routing::CarModel::Instance().IsRoad(m_params.m_Types) || pedModel.IsRoad(m_params.m_Types)
|| bicModel.IsRoad(m_params.m_Types);
}
bool FeatureBuilder1::PreSerialize()
{
if (!m_params.IsValid())
return false;
switch (m_params.GetGeomType())
{
case GEOM_POINT:
// Store house number like HEADER_GEOM_POINT_EX.
if (!m_params.house.IsEmpty())
{
m_params.SetGeomTypePointEx();
m_params.rank = 0;
}
// Store ref's in name field (used in "highway-motorway_junction").
if (m_params.name.IsEmpty() && !m_params.ref.empty())
m_params.name.AddString(StringUtf8Multilang::kDefaultCode, m_params.ref);
m_params.ref.clear();
break;
case GEOM_LINE:
{
// We need refs for road's numbers.
if (!IsRoad())
m_params.ref.clear();
m_params.rank = 0;
m_params.house.Clear();
break;
}
case GEOM_AREA:
m_params.rank = 0;
m_params.ref.clear();
break;
default:
return false;
}
// Clear name for features with invisible texts.
// AlexZ: Commented this line to enable captions on subway exits, which
// are not drawn but should be visible in balloons and search results
//RemoveNameIfInvisible();
RemoveUselessNames();
return true;
}
void FeatureBuilder1::RemoveUselessNames()
{
if (!m_params.name.IsEmpty() && !IsCoastCell())
{
using namespace feature;
// Use lambda syntax to correctly compile according to standard:
// http://en.cppreference.com/w/cpp/algorithm/remove
// The signature of the predicate function should be equivalent to the following:
// bool pred(const Type &a);
// Without it on clang-libc++ on Linux we get:
// candidate template ignored: substitution failure
// [with _Tp = bool (unsigned int) const]: reference to function type 'bool (unsigned int) const' cannot have 'const'
// qualifier
auto const typeRemover = [](uint32_t type)
{
static TypeSetChecker const checkBoundary({ "boundary", "administrative" });
return checkBoundary.IsEqual(type);
};
TypesHolder types(GetFeatureBase());
if (types.RemoveIf(typeRemover))
{
pair<int, int> const range = GetDrawableScaleRangeForRules(types, RULE_ANY_TEXT);
if (range.first == -1)
m_params.name.Clear();
}
}
}
void FeatureBuilder1::RemoveNameIfInvisible(int minS, int maxS)
{
if (!m_params.name.IsEmpty() && !IsCoastCell())
{
pair<int, int> const range = GetDrawableScaleRangeForRules(GetFeatureBase(), RULE_ANY_TEXT);
if (range.first > maxS || range.second < minS)
m_params.name.Clear();
}
}
bool FeatureBuilder1::operator == (FeatureBuilder1 const & fb) const
{
if (!(m_params == fb.m_params))
return false;
if (m_coastCell != fb.m_coastCell)
return false;
if (m_params.GetGeomType() == GEOM_POINT && !is_equal(m_center, fb.m_center))
return false;
if (!is_equal(m_limitRect, fb.m_limitRect))
return false;
if (m_polygons.size() != fb.m_polygons.size())
return false;
if (m_osmIds != fb.m_osmIds)
return false;
for (auto i = m_polygons.cbegin(), j = fb.m_polygons.cbegin(); i != m_polygons.cend(); ++i, ++j)
if (!is_equal(*i, *j))
return false;
return true;
}
bool FeatureBuilder1::CheckValid() const
{
CHECK(m_params.CheckValid(), (*this));
EGeomType const type = m_params.GetGeomType();
if (type == GEOM_LINE)
CHECK(GetOuterGeometry().size() >= 2, (*this));
if (type == GEOM_AREA)
for (TPointSeq const & points : m_polygons)
CHECK(points.size() >= 3, (*this));
return true;
}
void FeatureBuilder1::SerializeBase(TBuffer & data, serial::CodingParams const & params, bool saveAddInfo) const
{
PushBackByteSink<TBuffer> sink(data);
m_params.Write(sink, saveAddInfo);
if (m_params.GetGeomType() == GEOM_POINT)
serial::SavePoint(sink, m_center, params);
}
void FeatureBuilder1::Serialize(TBuffer & data) const
{
CHECK ( CheckValid(), (*this) );
data.clear();
serial::CodingParams cp;
SerializeBase(data, cp, true /* store additional info from FeatureParams */);
PushBackByteSink<TBuffer> sink(data);
if (m_params.GetGeomType() != GEOM_POINT)
{
WriteVarUint(sink, static_cast<uint32_t>(m_polygons.size()));
for (TPointSeq const & points : m_polygons)
serial::SaveOuterPath(points, cp, sink);
WriteVarInt(sink, m_coastCell);
}
// save OSM IDs to link meta information with sorted features later
rw::WriteVectorOfPOD(sink, m_osmIds);
// check for correct serialization
#ifdef DEBUG
TBuffer tmp(data);
FeatureBuilder1 fb;
fb.Deserialize(tmp);
ASSERT ( fb == *this, ("Source feature: ", *this, "Deserialized feature: ", fb) );
#endif
}
void FeatureBuilder1::Deserialize(TBuffer & data)
{
serial::CodingParams cp;
ArrayByteSource source(&data[0]);
m_params.Read(source);
m_limitRect.MakeEmpty();
EGeomType const type = m_params.GetGeomType();
if (type == GEOM_POINT)
{
m_center = serial::LoadPoint(source, cp);
m_limitRect.Add(m_center);
}
else
{
m_polygons.clear();
uint32_t const count = ReadVarUint<uint32_t>(source);
ASSERT_GREATER ( count, 0, (*this) );
for (uint32_t i = 0; i < count; ++i)
{
m_polygons.push_back(TPointSeq());
serial::LoadOuterPath(source, cp, m_polygons.back());
CalcRect(m_polygons.back(), m_limitRect);
}
m_coastCell = ReadVarInt<int64_t>(source);
}
rw::ReadVectorOfPOD(source, m_osmIds);
CHECK ( CheckValid(), (*this) );
}
void FeatureBuilder1::AddOsmId(osm::Id id)
{
m_osmIds.push_back(id);
}
void FeatureBuilder1::SetOsmId(osm::Id id)
{
m_osmIds.assign(1, id);
}
osm::Id FeatureBuilder1::GetFirstOsmId() const
{
ASSERT(!m_osmIds.empty(), ());
return m_osmIds.front();
}
osm::Id FeatureBuilder1::GetLastOsmId() const
{
ASSERT(!m_osmIds.empty(), ());
return m_osmIds.back();
}
bool FeatureBuilder1::HasOsmId(osm::Id const & id) const
{
for (auto const & cid : m_osmIds)
if (cid == id)
return true;
return false;
}
string FeatureBuilder1::GetOsmIdsString() const
{
if (m_osmIds.empty())
return "(NOT AN OSM FEATURE)";
ostringstream out;
for (auto const & id : m_osmIds)
out << id.Type() << " id=" << id.OsmId() << " ";
return out.str();
}
int FeatureBuilder1::GetMinFeatureDrawScale() const
{
int const minScale = feature::GetMinDrawableScale(GetFeatureBase());
// some features become invisible after merge processing, so -1 is possible
return (minScale == -1 ? 1000 : minScale);
}
bool FeatureBuilder1::AddName(string const & lang, string const & name)
{
return m_params.AddName(lang, name);
}
string FeatureBuilder1::GetName(int8_t lang) const
{
string s;
VERIFY(m_params.name.GetString(lang, s) != s.empty(), ());
return s;
}
size_t FeatureBuilder1::GetPointsCount() const
{
size_t counter = 0;
for (auto const & p : m_polygons)
counter += p.size();
return counter;
}
string DebugPrint(FeatureBuilder1 const & f)
{
ostringstream out;
switch (f.GetGeomType())
{
case GEOM_POINT: out << DebugPrint(f.m_center); break;
case GEOM_LINE: out << "line with " << f.GetPointsCount() << " points"; break;
case GEOM_AREA: out << "area with " << f.GetPointsCount() << " points"; break;
default: out << "ERROR: unknown geometry type"; break;
}
out << " " << DebugPrint(f.m_limitRect) << " " << DebugPrint(f.m_params) << " " << DebugPrint(f.m_osmIds);
return out.str();
}
bool FeatureBuilder1::IsDrawableInRange(int lowScale, int highScale) const
{
if (!GetOuterGeometry().empty())
{
FeatureBase const fb = GetFeatureBase();
while (lowScale <= highScale)
if (feature::IsDrawableForIndex(fb, lowScale++))
return true;
return RequireGeometryInIndex(fb);
}
return false;
}
uint64_t FeatureBuilder1::GetWayIDForRouting() const
{
if (m_osmIds.size() == 1 && m_osmIds[0].IsWay() && IsLine() && IsRoad())
return m_osmIds[0].OsmId();
return 0;
}
string DebugPrint(FeatureBuilder2 const & f)
{
return DebugPrint(static_cast<FeatureBuilder1 const &>(f));
}
bool FeatureBuilder2::PreSerialize(SupportingData const & data)
{
// make flags actual before header serialization
EGeomType const geoType = m_params.GetGeomType();
if (geoType == GEOM_LINE)
{
if (data.m_ptsMask == 0 && data.m_innerPts.empty())
return false;
}
else if (geoType == GEOM_AREA)
{
if (data.m_trgMask == 0 && data.m_innerTrg.empty())
return false;
}
// we don't need empty features without geometry
return TBase::PreSerialize();
}
void FeatureBuilder2::Serialize(SupportingData & data, serial::CodingParams const & params)
{
data.m_buffer.clear();
// header data serialization
SerializeBase(data.m_buffer, params, false /* don't store additional info from FeatureParams*/);
PushBackByteSink<TBuffer> sink(data.m_buffer);
uint8_t const ptsCount = static_cast<uint8_t>(data.m_innerPts.size());
uint8_t trgCount = static_cast<uint8_t>(data.m_innerTrg.size());
if (trgCount > 0)
{
ASSERT_GREATER ( trgCount, 2, () );
trgCount -= 2;
}
EGeomType const type = m_params.GetGeomType();
{
BitWriter<PushBackByteSink<TBuffer>> bitSink(sink);
if (type == GEOM_LINE)
{
bitSink.Write(ptsCount, 4);
if (ptsCount == 0)
bitSink.Write(data.m_ptsMask, 4);
}
else if (type == GEOM_AREA)
{
bitSink.Write(trgCount, 4);
if (trgCount == 0)
bitSink.Write(data.m_trgMask, 4);
}
}
if (type == GEOM_LINE)
{
if (ptsCount > 0)
{
if (ptsCount > 2)
{
uint32_t v = data.m_ptsSimpMask;
int const count = (ptsCount - 2 + 3) / 4;
for (int i = 0; i < count; ++i)
{
WriteToSink(sink, static_cast<uint8_t>(v));
v >>= 8;
}
}
serial::SaveInnerPath(data.m_innerPts, params, sink);
}
else
{
ASSERT_GREATER ( GetOuterGeometry().size(), 2, () );
// Store first point once for outer linear features.
serial::SavePoint(sink, GetOuterGeometry()[0], params);
// offsets was pushed from high scale index to low
reverse(data.m_ptsOffset.begin(), data.m_ptsOffset.end());
serial::WriteVarUintArray(data.m_ptsOffset, sink);
}
}
else if (type == GEOM_AREA)
{
if (trgCount > 0)
serial::SaveInnerTriangles(data.m_innerTrg, params, sink);
else
{
// offsets was pushed from high scale index to low
reverse(data.m_trgOffset.begin(), data.m_trgOffset.end());
serial::WriteVarUintArray(data.m_trgOffset, sink);
}
}
}
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