static void arm_shooter( npc &shooter, std::string gun_type, std::vector<std::string> mods = {} )
{
    shooter.remove_weapon();

    itype_id gun_id( gun_type );
    // Give shooter a loaded gun of the requested type.
    item &gun = shooter.i_add( item( gun_id ) );
    const itype_id ammo_id = gun.ammo_default();
    if( gun.magazine_integral() ) {
        item &ammo = shooter.i_add( item( ammo_id, calendar::turn, gun.ammo_capacity() ) );
        REQUIRE( gun.is_reloadable_with( ammo_id ) );
        REQUIRE( shooter.can_reload( gun, ammo_id ) );
        gun.reload( shooter, item_location( shooter, &ammo ), gun.ammo_capacity() );
    } else {
        const itype_id magazine_id = gun.magazine_default();
        item &magazine = shooter.i_add( item( magazine_id ) );
        item &ammo = shooter.i_add( item( ammo_id, calendar::turn, magazine.ammo_capacity() ) );
        REQUIRE( magazine.is_reloadable_with( ammo_id ) );
        REQUIRE( shooter.can_reload( magazine, ammo_id ) );
        magazine.reload( shooter, item_location( shooter, &ammo ), magazine.ammo_capacity() );
        gun.reload( shooter, item_location( shooter, &magazine ), magazine.ammo_capacity() );
    }
    for( auto mod : mods ) {
        gun.contents.push_back( item( itype_id( mod ) ) );
    }
    shooter.wield( gun );
}
void talk_function::drop_weapon( npc &p )
{
    g->m.add_item_or_charges( p.pos(), p.remove_weapon() );
}