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#ifndef GEOMETRY_HPP
#define GEOMETRY_HPP
#include <vector>
#include <atomic>
#include <set>
#include <string>
#include <sqlite3.h>
#include <stdio.h>
#include <mvt.hpp>
#include "jsonpull/jsonpull.h"
#include "attribute.hpp"
#define VT_POINT 1
#define VT_LINE 2
#define VT_POLYGON 3
#define VT_END 0
#define VT_MOVETO 1
#define VT_LINETO 2
#define VT_CLOSEPATH 7
// The bitfield is to make sizeof(draw) be 16 instead of 24
// at the cost, apparently, of a 0.7% increase in running time
// for packing and unpacking.
struct draw {
long long x : 40;
signed char op;
long long y : 40;
signed char necessary;
draw(int nop, long long nx, long long ny)
: x(nx),
op(nop),
y(ny),
necessary(0) {
}
draw()
: x(0),
op(0),
y(0),
necessary(0) {
}
bool operator<(draw const &s) const {
if (y < s.y || (y == s.y && x < s.x)) {
return true;
} else {
return false;
}
}
bool operator>(draw const &s) const {
return s < *this;
}
bool operator==(draw const &s) const {
return y == s.y && x == s.x;
}
bool operator!=(draw const &s) const {
return y != s.y || x != s.x;
}
};
typedef std::vector<draw> drawvec;
struct serial_feature;
drawvec decode_geometry(const char **meta, int z, unsigned tx, unsigned ty, long long *bbox, unsigned initial_x, unsigned initial_y);
void to_tile_scale(drawvec &geom, int z, int detail);
drawvec from_tile_scale(drawvec const &geom, int z, int detail);
drawvec remove_noop(drawvec geom, int type, int shift);
drawvec clip_point(drawvec &geom, int z, long long buffer);
drawvec clean_or_clip_poly(drawvec &geom, int z, int buffer, bool clip, bool try_scaling);
drawvec close_poly(drawvec &geom);
drawvec reduce_tiny_poly(const drawvec &geom, int z, int detail, bool *still_needs_simplification, bool *reduced_away, double *accum_area);
int clip(long long *x0, long long *y0, long long *x1, long long *y1, long long xmin, long long ymin, long long xmax, long long ymax);
drawvec clip_lines(drawvec &geom, int z, long long buffer);
drawvec stairstep(drawvec &geom, int z, int detail);
bool point_within_tile(long long x, long long y, int z);
int quick_check(const long long *bbox, int z, long long buffer);
drawvec simplify_lines(drawvec &geom, int z, int tx, int ty, int detail, bool mark_tile_bounds, double simplification, size_t retain, drawvec const &shared_nodes, struct node *shared_nodes_map, size_t nodepos);
drawvec reorder_lines(const drawvec &geom);
drawvec fix_polygon(const drawvec &geom);
std::vector<drawvec> chop_polygon(std::vector<drawvec> &geoms);
void check_polygon(drawvec &geom);
double get_area(const drawvec &geom, size_t i, size_t j);
double get_mp_area(drawvec &geom);
drawvec polygon_to_anchor(const drawvec &geom);
drawvec checkerboard_anchors(drawvec const &geom, int tx, int ty, int z, unsigned long long label_point);
drawvec simple_clip_poly(drawvec &geom, int z, int buffer, drawvec &shared_nodes, bool prevent_simplify_shared_nodes);
drawvec simple_clip_poly(drawvec &geom, long long x1, long long y1, long long x2, long long y2, bool prevent_simplify_shared_nodes);
drawvec simple_clip_poly(drawvec &geom, long long x1, long long y1, long long x2, long long y2,
long long ax, long long ay, long long bx, long long by, drawvec &shared_nodes, bool prevent_simplify_shared_nodes);
drawvec clip_lines(drawvec &geom, long long x1, long long y1, long long x2, long long y2);
drawvec clip_point(drawvec &geom, long long x1, long long y1, long long x2, long long y2);
void visvalingam(drawvec &ls, size_t start, size_t end, double threshold, size_t retain);
int pnpoly(const drawvec &vert, size_t start, size_t nvert, long long testx, long long testy);
double distance_from_line(long long point_x, long long point_y, long long segA_x, long long segA_y, long long segB_x, long long segB_y);
std::string overzoom(const mvt_tile &tile, int oz, int ox, int oy, int nz, int nx, int ny,
int detail, int buffer, std::set<std::string> const &keep, bool do_compress,
std::vector<std::pair<unsigned, unsigned>> *next_overzoomed_tiles,
bool demultiply, json_object *filter, bool preserve_input_order,
std::unordered_map<std::string, attribute_op> const &attribute_accum,
std::vector<std::string> const &unidecode_data);
std::string overzoom(const std::string &s, int oz, int ox, int oy, int nz, int nx, int ny,
int detail, int buffer, std::set<std::string> const &keep, bool do_compress,
std::vector<std::pair<unsigned, unsigned>> *next_overzoomed_tiles,
bool demultiply, json_object *filter, bool preserve_input_order,
std::unordered_map<std::string, attribute_op> const &attribute_accum,
std::vector<std::string> const &unidecode_data);
#endif
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