Method pull_actor

crawl-ref/source/beam.cc:5381–5427

}

void bolt::pull_actor(actor *act, int dam)
{
    if (!act || !can_pull(*act, dam) || act->resists_dislodge("being pulled"))
        return;

    // How far we'll try to pull the actor to make them adjacent to the source.
    const int distance = (act->pos() - source).rdist() - 1;
    ASSERT(distance > 0);

    const coord_def oldpos = act->pos();
    ASSERT(ray.pos() == oldpos);

    coord_def newpos = oldpos;
    for (int dist_travelled = 0; dist_travelled < distance; ++dist_travelled)
    {
        const ray_def oldray(ray);

        ray.regress();

        newpos = ray.pos();
        if (newpos == oldray.pos()
            || cell_is_solid(newpos)
            || actor_at(newpos)
            || !act->can_pass_through(newpos)
            || !act->is_habitable(newpos))
        {
            ray = oldray;
            break;
        }

        act->move_to(newpos, MV_DEFAULT, true);
    }

    if (newpos == oldpos)
        return;

    if (you.can_see(*act))
    {
        mprf("%s %s yanked forward by the %s.", act->name(DESC_THE).c_str(),
             act->conj_verb("are").c_str(), name.c_str());
    }

    if (act->pos() != newpos)
        act->collide(newpos, agent(), default_collision_damage(ench_power, true).roll());

    act->finalise_movement();
}

// Return true if the player's god will be unforgiving about the effects
// of this beam.