private function sumSpentPoints(Heritage $heritage, BackgroundSkillPoints $backgroundSkillPoints, BelongingsValue $belongingsValue)
{
return $heritage->getSpentBackgroundPoints() + $backgroundSkillPoints->getSpentBackgroundPoints() + $belongingsValue->getSpentBackgroundPoints();
}
private static function checkIfBackgroundSkillPointsAreTheSame(BackgroundSkillPoints $firstBackgroundSkillPoints, BackgroundSkillPoints $secondBackgroundSkillPoints)
{
if ($firstBackgroundSkillPoints->getSpentBackgroundPoints() !== $secondBackgroundSkillPoints->getSpentBackgroundPoints()) {
throw new Exceptions\BackgroundSkillPointsAreNotSame('All skill points, originated in person background, have to use same background skill points.' . " Got different background skill points with values {$firstBackgroundSkillPoints->getSpentBackgroundPoints()}" . " and {$secondBackgroundSkillPoints->getSpentBackgroundPoints()}");
}
}
