protected function add_add_penalty(ImsQtiWriter $processing, $question, $input_id = ImsQtiWriter::SCORE, $score_id = ImsQtiWriter::SCORE, $penalty_id = self::PENALTY)
{
if (!$this->has_penalty($question)) {
return null;
}
$result = $processing->add_setOutcomeValue($score_id);
$sum = $result->add_subtract();
$sum->add_variable($input_id);
$sum->add_variable($penalty_id);
$result = $processing->add_responseCondition();
$if = $result->add_responseIf();
$lt = $if->add_lt();
$lt->add_variable($input_id);
$lt->add_baseValue(ImsQtiWriter::BASETYPE_FLOAT, 0);
$if->add_setOutcomeValue($input_id)->add_baseValue(ImsQtiWriter::BASETYPE_FLOAT, 0);
return $result;
}
