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#include "AppHdr.h"
#include "coord-circle.h"
#include "coordit.h"
#include "los.h"
#include <cmath>
bool rect_def::contains(const coord_def& p) const
{
return (p.x >= min.x && p.x <= max.x && p.y >= min.y && p.y <= max.y);
}
rect_def rect_def::intersect(const rect_def& other) const
{
rect_def res;
res.min.x = std::max(min.x, other.min.x);
res.min.y = std::max(min.y, other.min.y);
res.max.x = std::min(max.x, other.max.x);
res.max.y = std::min(max.y, other.max.y);
return (res);
}
rectangle_iterator rect_def::iter() const
{
return (rectangle_iterator(min, max));
}
circle_def::circle_def()
: los_radius(true), origin(coord_def(0,0))
{
// Set up bounding box and shape.
init(LOS_MAX_RADIUS, C_ROUND);
}
circle_def::circle_def(const coord_def& origin_, const circle_def& bds)
: los_radius(bds.los_radius), shape(bds.shape),
origin(origin_), radius(bds.radius), radius_sq(bds.radius_sq)
{
// Set up bounding box.
init_bbox();
}
circle_def::circle_def(int param, circle_type ctype)
: los_radius(false), origin(coord_def(0,0))
{
init(param, ctype);
}
circle_def::circle_def(const coord_def &origin_, int param,
circle_type ctype)
: los_radius(false), origin(origin_)
{
init(param, ctype);
}
void circle_def::init(int param, circle_type ctype)
{
switch (ctype)
{
case C_SQUARE:
shape = SH_SQUARE;
radius = param;
break;
case C_CIRCLE:
shape = SH_CIRCLE;
radius_sq = param;
radius = static_cast<int>(ceil(sqrt(radius_sq)));
break;
case C_ROUND:
shape = SH_CIRCLE;
radius = param;
radius_sq = radius * radius + 1;
break;
case C_POINTY:
shape = SH_CIRCLE;
radius = param;
radius_sq = radius * radius;
}
init_bbox();
}
void circle_def::init_bbox()
{
bbox = rect_def(origin - coord_def(radius, radius),
origin + coord_def(radius, radius));
if (!origin.origin())
bbox = bbox.intersect(RECT_MAP_BOUNDS);
}
const rect_def& circle_def::get_bbox() const
{
return (bbox);
}
const coord_def& circle_def::get_center() const
{
return (origin);
}
circle_iterator circle_def::iter() const
{
return (circle_iterator(*this));
}
bool circle_def::contains(const coord_def &p) const
{
if (!bbox.contains(p))
return (false);
switch (shape)
{
case SH_SQUARE:
return ((p - origin).rdist() <= radius);
case SH_CIRCLE:
{
int r_sq = los_radius ? get_los_radius_sq() : radius_sq;
return ((p - origin).abs() <= r_sq);
}
default:
return (false);
}
}
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