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#pragma once
#include "indexer/feature_decl.hpp"
#include "geometry/point2d.hpp"
#include <cstdint>
#include <map>
#include <vector>
class DataSource;
namespace search
{
class NestedRectsCache
{
public:
explicit NestedRectsCache(DataSource const & dataSource);
void SetPosition(m2::PointD const & position, int scale);
double GetDistanceToFeatureMeters(FeatureID const & id) const;
void Clear();
private:
enum RectScale
{
RECT_SCALE_TINY,
RECT_SCALE_SMALL,
RECT_SCALE_MEDIUM,
RECT_SCALE_LARGE,
RECT_SCALE_COUNT
};
static double GetRadiusMeters(RectScale scale);
void Update();
DataSource const & m_dataSource;
int m_scale;
m2::PointD m_position;
bool m_valid;
using Features = std::vector<uint32_t>;
using Bucket = std::map<MwmSet::MwmId, Features>;
// Sorted lists of features.
Bucket m_buckets[RECT_SCALE_COUNT];
};
} // namespace search
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