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/*
* File: los_def.cc
* Summary: LOS wrapper class.
*/
#include "AppHdr.h"
#include "los_def.h"
#include "coord-circle.h"
los_def::los_def()
: show(0), opc(opc_default.clone()), bds(BDS_DEFAULT), arena(false)
{
}
los_def::los_def(const coord_def& c, const opacity_func &o,
const circle_def &b)
: show(0), center(c), opc(o.clone()), bds(b), arena(false)
{
}
los_def::los_def(const los_def& los)
: show(los.show), center(los.center),
opc(los.opc->clone()), bds(los.bds), arena(los.arena)
{
}
los_def& los_def::operator=(const los_def& los)
{
init(los.center, *los.opc, los.bds);
show = los.show;
arena = los.arena;
return (*this);
}
void los_def::init(const coord_def &c, const opacity_func &o,
const circle_def &b)
{
show.init(0);
set_center(c);
set_opacity(o);
set_bounds(b);
arena = false;
}
void los_def::init_arena(const coord_def& c)
{
center = c;
arena = true;
set_bounds(circle_def(LOS_MAX_RADIUS, C_SQUARE));
}
los_def::~los_def()
{
delete opc;
}
void los_def::update()
{
losight(show, center, *opc, bds);
}
void los_def::set_center(const coord_def& c)
{
center = c;
}
void los_def::set_opacity(const opacity_func &o)
{
delete opc;
opc = o.clone();
}
void los_def::set_bounds(const circle_def &b)
{
bds = b;
}
circle_def los_def::get_bounds() const
{
return (circle_def(center, bds));
}
bool los_def::in_bounds(const coord_def& p) const
{
return (bds.contains(p - center));
}
bool los_def::see_cell(const coord_def& p) const
{
if (arena)
return (in_bounds(p));
const coord_def sp = p - center;
return (sp.rdist() <= LOS_MAX_RANGE && show(sp));
}
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