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#pragma once
#include <mbgl/tile/tile_id.hpp>
#include <mbgl/util/geometry.hpp>
#include <mbgl/util/constants.hpp>
#include <mbgl/util/optional.hpp>
#include <map>
#include <vector>
#include <string>
#include <memory>
#include <unordered_set>
namespace mbgl {
class SymbolInstance;
class RenderSymbolLayer;
class SymbolBucket;
class IndexEntry {
Point<float> anchorPoint;
};
class IndexedSymbolInstance {
public:
IndexedSymbolInstance(uint32_t crossTileID_, Point<int64_t> coord_)
: crossTileID(crossTileID_), coord(coord_) {};
uint32_t crossTileID;
Point<int64_t> coord;
};
class TileLayerIndex {
public:
TileLayerIndex(OverscaledTileID coord, std::vector<SymbolInstance>&, uint32_t bucketInstanceId);
Point<int64_t> getScaledCoordinates(SymbolInstance&, const OverscaledTileID&);
void findMatches(std::vector<SymbolInstance>&, const OverscaledTileID&);
OverscaledTileID coord;
uint32_t bucketInstanceId;
std::map<std::u16string,std::vector<IndexedSymbolInstance>> indexedSymbolInstances;
};
class CrossTileSymbolLayerIndex {
public:
CrossTileSymbolLayerIndex();
void addBucket(const OverscaledTileID&, SymbolBucket&);
bool removeStaleBuckets(const std::unordered_set<uint32_t>& currentIDs);
private:
std::map<uint8_t,std::map<OverscaledTileID,TileLayerIndex>> indexes;
uint32_t maxBucketInstanceId = 0;
static uint32_t maxCrossTileID;
};
class CrossTileSymbolIndex {
public:
CrossTileSymbolIndex();
bool addLayer(RenderSymbolLayer&);
void reset();
private:
std::map<std::string,CrossTileSymbolLayerIndex> layerIndexes;
};
} // namespace mbgl
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