public AttackResult Attack(Character attacker, Character defender, int? attackRoll = null)
{
if (attackRoll == null) {
throw new NotImplementedException("Random dice roll not implemented; specify a roll");
}
var result = new AttackResult { AttackRoll = attackRoll.Value };
var isCriticalHit = (attackRoll == 20);
var isCriticalMiss = (attackRoll == 1);
var attackDoesNotBeatArmor = ((attackRoll + attacker.GetModifier(Attribute.Strength)) < defender.EffectiveArmorClass);
if (isCriticalMiss || attackDoesNotBeatArmor) {
result.Success = false;
return result;
}
result.Success = true;
result.EarnedXP = XP_EARNED_FOR_SUCCESSFUL_ATTACK;
var baseDamage = 1;
var damageTaken = baseDamage + attacker.GetModifier(Attribute.Strength);
if (isCriticalHit)
damageTaken = damageTaken * 2;
// strength modifier should never result in less than 1 point of damage
if (damageTaken < 1)
damageTaken = 1;
result.Damage = damageTaken;
defender.TakeDamage(damageTaken);
return result;
}