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#pragma once
#include "render/route_shape.hpp"
#include "render/events.hpp"
#include "graphics/color.hpp"
#include "graphics/display_list.hpp"
#include "graphics/defines.hpp"
#include "graphics/screen.hpp"
#include "graphics/opengl/storage.hpp"
#include "geometry/polyline2d.hpp"
#include "geometry/screenbase.hpp"
#include "platform/location.hpp"
#include "std/vector.hpp"
namespace rg
{
struct ArrowBorders
{
double m_startDistance = 0;
double m_endDistance = 0;
double m_headSize = 0;
double m_tailSize = 0;
int m_groupIndex = 0;
vector<m2::PointD> m_points;
bool operator==(ArrowBorders const & rhs) const
{
double const eps = 1e-7;
return fabs(m_startDistance - rhs.m_startDistance) < eps &&
fabs(m_endDistance - rhs.m_endDistance) < eps &&
fabs(m_headSize - rhs.m_headSize) < eps &&
fabs(m_tailSize - rhs.m_tailSize) < eps;
}
bool operator!=(ArrowBorders const & rhs) const
{
return !operator==(rhs);
}
};
struct RouteSegment
{
double m_start;
double m_end;
bool m_isAvailable;
RouteSegment(double start, double end, bool isAvailable)
: m_start(start)
, m_end(end)
, m_isAvailable(isAvailable)
{}
};
class RouteRenderer final
{
public:
RouteRenderer();
~RouteRenderer();
void PrepareToShutdown();
void Setup(m2::PolylineD const & routePolyline, vector<double> const & turns, graphics::Color const & color);
void Clear();
void Render(graphics::Screen * dlScreen, ScreenBase const & screen);
void UpdateDistanceFromBegin(double distanceFromBegin);
private:
void ConstructRoute(graphics::Screen * dlScreen);
void ClearRoute(graphics::Screen * dlScreen);
void InterpolateByZoom(ScreenBase const & screen, float & halfWidth, float & alpha, double & zoom) const;
void CalculateArrowBorders(m2::RectD const & clipRect, double arrowLength, double scale,
double arrowTextureWidth, double joinsBoundsScalar,
vector<ArrowBorders> & arrowBorders);
void ApplyJoinsBounds(double joinsBoundsScalar, double glbHeadLength,
vector<ArrowBorders> & arrowBorders);
void RenderArrow(graphics::Screen * dlScreen, float halfWidth, ScreenBase const & screen);
bool RecacheArrows();
void DestroyDisplayLists();
graphics::DisplayList * m_displayList;
graphics::DisplayList * m_endOfRouteDisplayList;
graphics::gl::Storage m_storage;
graphics::DisplayList * m_arrowDisplayList;
graphics::gl::Storage m_arrowsStorage;
double m_distanceFromBegin;
RouteData m_routeData;
m2::RectF m_arrowTextureRect;
graphics::Color m_color;
vector<double> m_turns;
m2::PointD m_endOfRoutePoint;
m2::PolylineD m_polyline;
ArrowsBuffer m_arrowBuffer;
vector<ArrowBorders> m_arrowBorders;
vector<RouteSegment> m_routeSegments;
bool m_needClear;
bool m_waitForConstruction;
};
} // namespace rg
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