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#pragma once
#include <mbgl/renderer/bucket.hpp>
#include <mbgl/tile/geometry_tile_data.hpp>
#include <mbgl/gfx/vertex_buffer.hpp>
#include <mbgl/gfx/index_buffer.hpp>
#include <mbgl/programs/segment.hpp>
#include <mbgl/programs/line_program.hpp>
#include <mbgl/style/layers/line_layer_properties.hpp>
#include <mbgl/style/image_impl.hpp>
#include <vector>
namespace mbgl {
class BucketParameters;
class RenderLineLayer;
class LineBucket final : public Bucket {
public:
using PossiblyEvaluatedPaintProperties = style::LinePaintProperties::PossiblyEvaluated;
using PossiblyEvaluatedLayoutProperties = style::LineLayoutProperties::PossiblyEvaluated;
LineBucket(const PossiblyEvaluatedLayoutProperties layout,
const std::map<std::string, Immutable<style::LayerProperties>>& layerPaintProperties,
const float zoom,
const uint32_t overscaling);
~LineBucket() override;
void addFeature(const GeometryTileFeature&,
const GeometryCollection&,
const mbgl::ImagePositions& patternPositions,
const PatternLayerMap&) override;
bool hasData() const override;
void upload(gfx::Context&) override;
float getQueryRadius(const RenderLayer&) const override;
bool supportsLayer(const style::Layer::Impl&) const override;
PossiblyEvaluatedLayoutProperties layout;
gfx::VertexVector<LineLayoutVertex> vertices;
gfx::IndexVector<gfx::Triangles> triangles;
SegmentVector<LineAttributes> segments;
optional<gfx::VertexBuffer<LineLayoutVertex>> vertexBuffer;
optional<gfx::IndexBuffer> indexBuffer;
std::map<std::string, LineProgram::Binders> 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;
};
class Distances;
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,
optional<Distances> distances);
void addPieSliceVertex(const GeometryCoordinate& currentVertex, double distance,
const Point<double>& extrude, bool lineTurnsLeft, std::size_t startVertex,
std::vector<TriangleElement>& triangleStore,
optional<Distances> distances);
std::ptrdiff_t e1;
std::ptrdiff_t e2;
std::ptrdiff_t e3;
const float zoom;
const uint32_t overscaling;
};
} // namespace mbgl
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