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#pragma once
#include <mbgl/renderer/bucket.hpp>
#include <mbgl/tile/geometry_tile_data.hpp>
#include <mbgl/gl/vertex_buffer.hpp>
#include <mbgl/gl/index_buffer.hpp>
#include <mbgl/programs/segment.hpp>
#include <mbgl/programs/line_program.hpp>
#include <mbgl/style/layers/line_layer_properties.hpp>
#include <vector>
namespace mbgl {
class BucketParameters;
class RenderLineLayer;
class LineBucket : public Bucket {
public:
LineBucket(const BucketParameters&,
const std::vector<const RenderLayer*>&,
const style::LineLayoutProperties::Unevaluated&);
void addFeature(const GeometryTileFeature&,
const GeometryCollection&) override;
bool hasData() const override;
void upload(gl::Context&) override;
float getQueryRadius(const RenderLayer&) const override;
style::LineLayoutProperties::PossiblyEvaluated layout;
gl::VertexVector<LineLayoutVertex> vertices;
gl::IndexVector<gl::Triangles> triangles;
SegmentVector<LineAttributes> segments;
optional<gl::VertexBuffer<LineLayoutVertex>> vertexBuffer;
optional<gl::IndexBuffer<gl::Triangles>> indexBuffer;
std::map<std::string, LineProgram::PaintPropertyBinders> paintPropertyBinders;
private:
void addGeometry(const GeometryCoordinates&, const GeometryTileFeature&);
struct TriangleElement {
TriangleElement(uint16_t a_, uint16_t b_, uint16_t c_) : a(a_), b(b_), c(c_) {}
uint16_t a, b, c;
};
void addCurrentVertex(const GeometryCoordinate& currentVertex, double& distance,
const Point<double>& normal, double endLeft, double endRight, bool round,
std::size_t startVertex, std::vector<LineBucket::TriangleElement>& triangleStore);
void addPieSliceVertex(const GeometryCoordinate& currentVertex, double distance,
const Point<double>& extrude, bool lineTurnsLeft, std::size_t startVertex,
std::vector<TriangleElement>& triangleStore);
std::ptrdiff_t e1;
std::ptrdiff_t e2;
std::ptrdiff_t e3;
const uint32_t overscaling;
const float zoom;
float getLineWidth(const RenderLineLayer& layer) const;
};
} // namespace mbgl
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