/**
* See PPH page 91, right column
*
* @param ArmamentCode $armamentCode
* @param Size $bodySize
* @param Strength $currentStrength
* @return int positive number
* @throws \DrdPlus\Tables\Armaments\Exceptions\UnknownArmament
*/
public function getMissingStrengthForArmament(ArmamentCode $armamentCode, Strength $currentStrength, Size $bodySize)
{
$requiredStrength = $this->tables->getArmamentsTableByArmamentCode($armamentCode)->getRequiredStrengthOf($armamentCode);
$missingStrength = $requiredStrength - $currentStrength->getValue();
if ($armamentCode instanceof ArmorCode) {
// only armor weight is related to body size
$missingStrength += $bodySize->getValue();
}
if ($missingStrength < 0) {
// missing strength can not be negative, of course
return 0;
}
return $missingStrength;
}
