56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
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#pragma once
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#include "drape_frontend/batcher_bucket.hpp"
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#include "geometry/rect2d.hpp"
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#include "geometry/screenbase.hpp"
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#include "base/matrix.hpp"
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#include <string>
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namespace df
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{
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struct TileKey
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{
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TileKey();
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TileKey(int x, int y, uint8_t zoomLevel);
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TileKey(TileKey const & key, uint64_t generation, uint64_t userMarksGeneration);
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// Operators < and == do not consider parameter m_generation.
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// m_generation is used to determine a generation of geometry for this tile key.
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// Geometry with different generations must be able to group by (x, y, zoomlevel).
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bool operator<(TileKey const & other) const;
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bool operator==(TileKey const & other) const;
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// These methods implement strict comparison of tile keys. It's necessary to merger of
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// batches which must not merge batches with different m_generation.
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bool LessStrict(TileKey const & other) const;
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bool EqualStrict(TileKey const & other) const;
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m2::RectD GetGlobalRect(bool clipByDataMaxZoom = true) const;
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math::Matrix<float, 4, 4> GetTileBasedModelView(ScreenBase const & screen) const;
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m2::PointI GetTileCoords() const;
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uint64_t GetHashValue(BatcherBucket bucket) const;
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std::string Coord2String() const;
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int m_x;
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int m_y;
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uint8_t m_zoomLevel;
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uint64_t m_generation;
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uint64_t m_userMarksGeneration;
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};
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struct TileKeyStrictComparator
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{
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bool operator()(TileKey const & lhs, TileKey const & rhs) const { return lhs.LessStrict(rhs); }
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};
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std::string DebugPrint(TileKey const & key);
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} // namespace df
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