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#ifndef MBGL_TEXT_COLLISION_TILE
#define MBGL_TEXT_COLLISION_TILE
#include <mbgl/text/collision_feature.hpp>
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-function"
#pragma GCC diagnostic ignored "-Wunused-parameter"
#pragma GCC diagnostic ignored "-Wunused-variable"
#pragma GCC diagnostic ignored "-Wshadow"
#ifdef __clang__
#pragma GCC diagnostic ignored "-Wdeprecated-register"
#pragma GCC diagnostic ignored "-Wshorten-64-to-32"
#else
#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
#endif
#include <boost/geometry.hpp>
#include <boost/geometry/geometries/point.hpp>
#include <boost/geometry/geometries/box.hpp>
#include <boost/geometry/index/rtree.hpp>
#pragma GCC diagnostic pop
namespace mbgl {
namespace bg = boost::geometry;
namespace bgm = bg::model;
namespace bgi = bg::index;
typedef bgm::point<float, 2, bg::cs::cartesian> Point;
typedef bgm::box<Point> Box;
typedef std::pair<Box, CollisionBox> CollisionTreeBox;
typedef bgi::rtree<CollisionTreeBox, bgi::linear<16,4>> Tree;
class CollisionTile {
public:
inline explicit CollisionTile(float _zoom, float tileExtent, float tileSize, float angle_, bool debug_) :
zoom(_zoom), tilePixelRatio(tileExtent / tileSize), debug(debug_) { reset(angle_, 0); }
void reset(const float angle, const float pitch);
float placeFeature(const CollisionFeature &feature);
void insertFeature(CollisionFeature &feature, const float minPlacementScale);
void setDebug(bool debug_) { debug = debug_; }
bool getDebug() { return debug; }
const float zoom;
const float tilePixelRatio;
float angle = 0;
const float minScale = 0.5f;
const float maxScale = 2.0f;
private:
Box getTreeBox(const vec2<float> &anchor, const CollisionBox &box);
Tree tree;
std::array<float, 4> rotationMatrix;
float yStretch;
bool debug;
};
}
#endif
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