/// <summary>
/// Calculates ability resistance for an ability.
/// The attacker and defender's skills, ability modifiers, and balance affinity will be
/// used to make this determination.
/// </summary>
/// <param name="attacker">The creature using the ability.</param>
/// <param name="defender">The creature being targeted by the ability.</param>
/// <param name="skill">The skill used for this ability.</param>
/// <param name="balanceType">The force balance type to use for this ability.</param>
/// <param name="sendRollMessage">If true, the roll message will be sent. Otherwise it won't be.</param>
/// <returns>Data regarding the ability resistance roll</returns>
public static AbilityResistanceResult CalculateAbilityResistance(NWCreature attacker, NWCreature defender, SkillType skill, ForceBalanceType balanceType, bool sendRollMessage = true)
{
int abilityScoreType;
switch (skill)
{
case SkillType.ForceAlter:
abilityScoreType = ABILITY_INTELLIGENCE;
break;
case SkillType.ForceControl:
abilityScoreType = ABILITY_WISDOM;
break;
case SkillType.ForceSense:
abilityScoreType = ABILITY_CHARISMA;
break;
default:
throw new ArgumentException("Invalid skill type called for " + nameof(CalculateAbilityResistance) + ", value '" + skill + "' not supported.");
}
AbilityResistanceResult result = new AbilityResistanceResult();
int attackerSkill = SkillService.GetPCSkillRank(attacker.Object, skill);
int attackerAbility = _.GetAbilityModifier(abilityScoreType, attacker);
int defenderSkill = SkillService.GetPCSkillRank(defender.Object, skill);
int defenderAbility = _.GetAbilityModifier(abilityScoreType, defender);
// If the defender is equipped with a lightsaber, we check their lightsaber skill
if (defender.RightHand.CustomItemType == CustomItemType.Lightsaber ||
defender.LeftHand.CustomItemType == CustomItemType.Lightsaber)
{
int lightsaberSkill = SkillService.GetPCSkillRank(defender.Object, SkillType.Lightsaber);
if (lightsaberSkill > defenderSkill)
{
defenderSkill = lightsaberSkill;
}
}
// If the defender's martial arts skill is greater than the current skill they're using, we'll use that instead.
int defenderMASkill = SkillService.GetPCSkillRank(defender.Object, SkillType.MartialArts);
if (defenderMASkill > defenderSkill)
{
defenderSkill = defenderMASkill;
}
int attackerAffinity = 0;
int defenderAffinity = 0;
// Only check affinity if ability has a force balance type.
if (balanceType == ForceBalanceType.Dark || balanceType == ForceBalanceType.Light)
{
attackerAffinity = GetBalanceAffinity(attacker.Object, balanceType);
defenderAffinity = GetBalanceAffinity(defender.Object, balanceType);
}
float attackerCR = attacker.IsPlayer ? 0f : attacker.ChallengeRating * 5f;
float defenderCR = defender.IsPlayer ? 0f : defender.ChallengeRating * 5f;
float attackerTotal = attackerSkill + attackerAbility + attackerAffinity + attackerCR;
float defenderTotal = defenderSkill + defenderAbility + defenderAffinity + defenderCR;
float divisor = attackerTotal + defenderTotal + 1; // +1 to prevent division by zero.
//Console.WriteLine("attackerCR = " + attackerCR);
//Console.WriteLine("defenderCR = " + defenderCR);
//Console.WriteLine("attackerSkill = " + attackerSkill);
//Console.WriteLine("attackerAbility = " + attackerAbility);
//Console.WriteLine("attackerAffinity = " + attackerAffinity);
//Console.WriteLine("defenderSkill = " + defenderSkill);
//Console.WriteLine("defenderAbility = " + defenderAbility);
//Console.WriteLine("defenderAffinity = " + defenderAffinity);
//Console.WriteLine("attackerTotal = " + attackerTotal);
//Console.WriteLine("defenderTotal = " + defenderTotal);
//Console.WriteLine("divisor = " + divisor);
result.DC = (int)(attackerTotal / divisor * 100);
result.Roll = RandomService.D100(1);
if (sendRollMessage)
{
string resisted = result.IsResisted ? ColorTokenService.Red(" [RESISTED " + Math.Abs(result.Delta) + "%]") : string.Empty;
string message = ColorTokenService.SavingThrow("Roll: " + result.Roll + " VS " + result.DC + " DC") + resisted;
attacker.SendMessage(message);
defender.SendMessage(message);
}
return(result);
}