100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
#ifndef LLMR_MAP_TILE
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#define LLMR_MAP_TILE
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#include "../geometry/debug_font_buffer.hpp"
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#include "../geometry/fill_buffer.hpp"
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#include "../geometry/line_buffer.hpp"
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#include "layer.hpp"
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#include "vector_tile.hpp"
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#include <stdint.h>
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#include <forward_list>
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#include <mutex>
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#include <llmr/util/vec.hpp>
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#include <string>
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#include <map>
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#include <memory>
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namespace llmr {
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struct pbf;
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class Style;
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class Bucket;
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class LayerDescription;
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class BucketDescription;
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class Tile : public std::enable_shared_from_this<Tile> {
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public:
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struct exception : std::exception {};
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struct geometry_too_long_exception : exception {};
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public:
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typedef std::shared_ptr<Tile> Ptr;
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typedef vec3<int32_t> ID;
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enum state {
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initial,
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loading,
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ready,
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obsolete
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};
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public:
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Tile(ID id, const Style& style);
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~Tile();
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// Make noncopyable
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Tile(const Tile&) = delete;
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Tile(const Tile&&) = delete;
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Tile& operator=(const Tile&) = delete;
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Tile& operator=(const Tile && ) = delete;
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// Start loading the tile.
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void request();
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// Other functions
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bool parse();
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void parseStyleLayers(const std::vector<LayerDescription>& layers);
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std::shared_ptr<Bucket> createBucket(const BucketDescription& bucket_desc);
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std::shared_ptr<Bucket> createFillBucket(const VectorTileLayer& layer, const BucketDescription& bucket_desc);
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std::shared_ptr<Bucket> createLineBucket(const VectorTileLayer& layer, const BucketDescription& bucket_desc);
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void cancel();
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const std::string toString() const;
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static ID parent(const ID& id, int32_t z);
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static std::forward_list<ID> children(const ID& id, int32_t z);
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public:
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const ID id;
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state state;
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// Holds the actual geometries in this tile.
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std::shared_ptr<DebugFontBuffer> debugFontBuffer;
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std::shared_ptr<FillBuffer> fillBuffer;
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std::shared_ptr<LineBuffer> lineBuffer;
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// Holds the buckets of this tile.
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// They contain the location offsets in the buffers stored above
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std::map<std::string, std::shared_ptr<Bucket>> buckets;
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// std::forward_list<Layer> layers;
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private:
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// Source data
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std::string data;
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VectorTile tile;
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// std::mutex mtx;
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const Style& style;
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};
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}
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#endif
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