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#include "AppHdr.h"
#include "act-iter.h"
#include "actor.h"
#include "coord-circle.h"
#include "mon-iter.h"
#include "monster.h"
#include "player.h"
actor_iterator::actor_iterator()
: restr(R_NONE), did_you(false), mi()
{
advance(true);
}
actor_iterator::actor_iterator(const circle_def* circle_)
: restr(R_CIRC), circle(circle_), did_you(false), mi(circle_)
{
advance(true);
}
actor_iterator::actor_iterator(const los_base* los_)
: restr(R_LOS), los(los_), did_you(false), mi(los_)
{
advance(true);
}
actor_iterator::actor_iterator(const actor* act_)
: restr(R_ACT), act(act_), did_you(false), mi(act_)
{
advance(true);
}
actor_iterator::operator bool() const
{
return (!did_you || mi);
}
actor* actor_iterator::operator*() const
{
if (!did_you)
return (&you);
else
return (*mi);
}
actor* actor_iterator::operator->() const
{
return (**this);
}
actor_iterator& actor_iterator::operator++()
{
advance();
return (*this);
}
actor_iterator actor_iterator::operator++(int)
{
actor_iterator copy = *this;
++(*this);
return (copy);
}
bool actor_iterator::valid(const actor* a) const
{
if (!a->alive())
return (false);
switch (restr)
{
case R_CIRC:
return (circle->contains(a->pos()));
case R_LOS:
return (los->see_cell(a->pos()));
case R_ACT:
return (act->can_see(a));
default:
return (true);
}
}
void actor_iterator::raw_advance()
{
if (!did_you)
did_you = true;
else
++mi;
}
void actor_iterator::advance(bool may_stay)
{
if (!may_stay)
raw_advance();
while (*this && !valid(**this))
raw_advance();
}
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