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#include "search/v2/geometry_cache.hpp"
#include "search/geometry_utils.hpp"
#include "search/retrieval.hpp"
#include "search/v2/mwm_context.hpp"
#include "geometry/mercator.hpp"
namespace search
{
namespace v2
{
namespace
{
double constexpr kCellEps = MercatorBounds::GetCellID2PointAbsEpsilon();
} // namespace
// GeometryCache -----------------------------------------------------------------------------------
GeometryCache::GeometryCache(size_t maxNumEntries, my::Cancellable const & cancellable)
: m_maxNumEntries(maxNumEntries), m_cancellable(cancellable)
{
CHECK_GREATER(m_maxNumEntries, 0, ());
}
void GeometryCache::InitEntry(MwmContext const & context, m2::RectD const & rect, int scale,
Entry & entry)
{
entry.m_rect = rect;
entry.m_cbv = v2::RetrieveGeometryFeatures(context, m_cancellable, rect, scale);
entry.m_scale = scale;
}
// PivotRectsCache ---------------------------------------------------------------------------------
PivotRectsCache::PivotRectsCache(size_t maxNumEntries, my::Cancellable const & cancellable,
double maxRadiusMeters)
: GeometryCache(maxNumEntries, cancellable), m_maxRadiusMeters(maxRadiusMeters)
{
}
coding::CompressedBitVector const * PivotRectsCache::Get(MwmContext const & context,
m2::RectD const & rect, int scale)
{
auto p = FindOrCreateEntry(context.GetId(), [&rect, &scale](Entry const & entry)
{
return scale == entry.m_scale &&
(entry.m_rect.IsRectInside(rect) || IsEqualMercator(rect, entry.m_rect, kCellEps));
});
auto & entry = p.first;
if (p.second)
{
m2::RectD normRect =
MercatorBounds::RectByCenterXYAndSizeInMeters(rect.Center(), m_maxRadiusMeters);
if (!normRect.IsRectInside(rect))
normRect = rect;
InitEntry(context, normRect, scale, entry);
}
return entry.m_cbv.get();
}
// LocalityRectsCache ------------------------------------------------------------------------------
LocalityRectsCache::LocalityRectsCache(size_t maxNumEntries, my::Cancellable const & cancellable)
: GeometryCache(maxNumEntries, cancellable)
{
}
coding::CompressedBitVector const * LocalityRectsCache::Get(MwmContext const & context,
m2::RectD const & rect, int scale)
{
auto p = FindOrCreateEntry(context.GetId(), [&rect, &scale](Entry const & entry)
{
return scale == entry.m_scale && IsEqualMercator(rect, entry.m_rect, kCellEps);
});
auto & entry = p.first;
if (p.second)
InitEntry(context, rect, scale, entry);
return entry.m_cbv.get();
}
} // namespace v2
} // namespace search
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