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#pragma once
#include "drape_frontend/color_constants.hpp"
#include "drape_frontend/map_shape.hpp"
#include "drape_frontend/render_state_extension.hpp"
#include "drape_frontend/shape_view_params.hpp"
#include "drape/render_bucket.hpp"
#include "drape/utils/vertex_decl.hpp"
#include "drape/pointers.hpp"
#include "traffic/speed_groups.hpp"
#include "geometry/polyline2d.hpp"
#include <cmath>
#include <memory>
#include <vector>
namespace df
{
double const kArrowSize = 0.0008;
// Constants below depend on arrow texture.
double const kArrowTextureWidth = 74.0;
double const kArrowTextureHeight = 44.0;
double const kArrowBodyHeight = 24.0;
double const kArrowHeadTextureWidth = 32.0;
double const kArrowTailTextureWidth = 4.0;
double const kArrowHeadSize = kArrowHeadTextureWidth / kArrowTextureWidth;
float const kArrowHeadFactor = static_cast<float>(2.0 * kArrowHeadTextureWidth / kArrowTextureHeight);
double const kArrowTailSize = kArrowTailTextureWidth / kArrowTextureWidth;
float const kArrowTailFactor = static_cast<float>(2.0 * kArrowTailTextureWidth / kArrowTextureHeight);
double const kArrowHeightFactor = kArrowTextureHeight / kArrowBodyHeight;
double const kArrowAspect = kArrowTextureWidth / kArrowTextureHeight;
extern std::vector<float> const kRouteHalfWidthInPixelCar;
extern std::vector<float> const kRouteHalfWidthInPixelTransit;
extern std::vector<float> const kRouteHalfWidthInPixelOthers;
enum class RouteType : uint8_t
{
Car,
Pedestrian,
Bicycle,
Taxi,
Transit
};
struct RoutePattern
{
RoutePattern() = default;
RoutePattern(double dashLength, double gapLength)
: m_isDashed(true)
, m_dashLength(dashLength)
, m_gapLength(gapLength)
{}
bool operator == (RoutePattern const & pattern) const
{
double const kEps = 1e-5;
return m_isDashed == pattern.m_isDashed &&
std::fabs(m_dashLength - pattern.m_dashLength) < kEps &&
std::fabs(m_gapLength - pattern.m_gapLength) < kEps;
}
bool m_isDashed = false;
double m_dashLength = 0.0;
double m_gapLength = 0.0;
};
enum class SubrouteStyleType
{
Single = 0,
Multiple
};
struct SubrouteStyle
{
SubrouteStyle() = default;
explicit SubrouteStyle(df::ColorConstant const & color)
: m_color(color)
, m_outlineColor(color)
{}
SubrouteStyle(df::ColorConstant const & color, df::ColorConstant const & outlineColor)
: m_color(color)
, m_outlineColor(outlineColor)
{}
SubrouteStyle(df::ColorConstant const & color, df::RoutePattern const & pattern)
: m_color(color)
, m_outlineColor(color)
, m_pattern(pattern)
{}
SubrouteStyle(df::ColorConstant const & color, df::ColorConstant const & outlineColor,
df::RoutePattern const & pattern)
: m_color(color)
, m_outlineColor(outlineColor)
, m_pattern(pattern)
{}
bool operator==(SubrouteStyle const & style) const
{
return m_color == style.m_color && m_outlineColor == style.m_outlineColor &&
m_pattern == style.m_pattern;
}
bool operator!=(SubrouteStyle const & style) const { return !operator==(style); }
df::ColorConstant m_color;
df::ColorConstant m_outlineColor;
df::RoutePattern m_pattern;
size_t m_startIndex = 0;
size_t m_endIndex = 0;
};
// Colored circle on the subroute.
struct SubrouteMarker
{
// Position in mercator.
m2::PointD m_position = {};
// Distance from the beginning of route.
double m_distance = 0.0;
// Array of colors in range [0;2].
std::vector<df::ColorConstant> m_colors;
// Color of inner circle.
df::ColorConstant m_innerColor;
// Normalized up vector to determine rotation of circle.
m2::PointD m_up = m2::PointD(0.0, 1.0);
// Scale (1.0 when the radius is equal to route line half-width).
float m_scale = 1.0f;
};
struct Subroute
{
void AddStyle(SubrouteStyle const & style);
df::RouteType m_routeType;
m2::PolylineD m_polyline;
std::vector<double> m_turns;
std::vector<traffic::SpeedGroup> m_traffic;
double m_baseDistance = 0.0;
double m_baseDepthIndex = 0.0;
float m_maxPixelWidth = -1.0f;
SubrouteStyleType m_styleType = SubrouteStyleType::Single;
std::vector<SubrouteStyle> m_style;
std::vector<SubrouteMarker> m_markers;
};
using SubrouteConstPtr = std::shared_ptr<Subroute const>;
struct RouteRenderProperty
{
RouteRenderProperty()
: m_state(CreateRenderState(gpu::Program::Route, DepthLayer::GeometryLayer))
{}
dp::RenderState m_state;
std::vector<drape_ptr<dp::RenderBucket>> m_buckets;
std::vector<m2::RectD> m_boundingBoxes;
};
struct BaseSubrouteData
{
dp::DrapeID m_subrouteId = 0;
m2::PointD m_pivot = m2::PointD(0.0, 0.0);
int m_recacheId = -1;
RouteRenderProperty m_renderProperty;
};
struct SubrouteData : public BaseSubrouteData
{
SubrouteConstPtr m_subroute;
size_t m_startPointIndex = 0;
size_t m_endPointIndex = 0;
size_t m_styleIndex = 0;
double m_distanceOffset = 0.0;
};
struct SubrouteArrowsData : public BaseSubrouteData {};
struct SubrouteMarkersData : public BaseSubrouteData {};
struct ArrowBorders
{
double m_startDistance = 0.0;
double m_endDistance = 0.0;
int m_groupIndex = 0;
};
class RouteShape
{
public:
using RV = gpu::RouteVertex;
using GeometryBuffer = buffer_vector<RV, 128>;
using AV = gpu::SolidTexturingVertex;
using ArrowGeometryBuffer = buffer_vector<AV, 128>;
using MV = gpu::RouteMarkerVertex;
using MarkersGeometryBuffer = buffer_vector<MV, 32>;
static drape_ptr<df::SubrouteData> CacheRoute(ref_ptr<dp::GraphicsContext> context,
dp::DrapeID subrouteId, SubrouteConstPtr subroute,
size_t styleIndex, int recacheId,
ref_ptr<dp::TextureManager> textures);
static drape_ptr<df::SubrouteMarkersData> CacheMarkers(ref_ptr<dp::GraphicsContext> context,
dp::DrapeID subrouteId,
SubrouteConstPtr subroute, int recacheId,
ref_ptr<dp::TextureManager> textures);
static void CacheRouteArrows(ref_ptr<dp::GraphicsContext> context,
ref_ptr<dp::TextureManager> mng, m2::PolylineD const & polyline,
std::vector<ArrowBorders> const & borders, double baseDepthIndex,
SubrouteArrowsData & routeArrowsData);
private:
template<typename GeometryBufferType>
struct GeometryBufferData
{
GeometryBufferData()
: m_boundingBox(m2::RectD::GetEmptyRect())
{}
GeometryBufferType m_geometry;
GeometryBufferType m_joinsGeometry;
m2::RectD m_boundingBox;
};
static void PrepareGeometry(std::vector<m2::PointD> const & path, m2::PointD const & pivot,
std::vector<glsl::vec4> const & segmentsColors, float baseDepth,
std::vector<GeometryBufferData<GeometryBuffer>> & geometryBufferData);
static void PrepareArrowGeometry(std::vector<m2::PointD> const & path, m2::PointD const & pivot,
m2::RectF const & texRect, float depthStep, float depth,
GeometryBufferData<ArrowGeometryBuffer> & geometryBufferData);
static void PrepareMarkersGeometry(std::vector<SubrouteMarker> const & markers,
m2::PointD const & pivot, float baseDepth,
MarkersGeometryBuffer & geometry);
static void BatchGeometry(ref_ptr<dp::GraphicsContext> context, dp::RenderState const & state,
ref_ptr<void> geometry, uint32_t geomSize, ref_ptr<void> joinsGeometry,
uint32_t joinsGeomSize, m2::RectD const & boundingBox,
dp::BindingInfo const & bindingInfo, RouteRenderProperty & property);
};
} // namespace df
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