public float GetShieldMod(WorldObject attacker, DamageType damageType)
{
// does the player have a shield equipped?
var shield = GetEquippedShield();
if (shield == null)
{
return(1.0f);
}
// is monster in front of player,
// within shield effectiveness area?
var effectiveAngle = 135.0f;
var angle = GetAngle(attacker);
if (Math.Abs(angle) > effectiveAngle / 2.0f)
{
return(1.0f);
}
// get base shield AL
var baseSL = shield.GetProperty(PropertyInt.ArmorLevel) ?? 0.0f;
// shield AL item enchantment additives:
// impenetrability, brittlemail
var modSL = EnchantmentManager.GetArmorMod();
var effectiveSL = baseSL + modSL;
// get shield RL against damage type
var baseRL = GetResistance(shield, damageType);
// shield RL item enchantment additives:
// banes, lures
var modRL = EnchantmentManager.GetArmorModVsType(damageType);
var effectiveRL = (float)(baseRL + modRL);
// resistance cap
if (effectiveRL > 2.0f)
{
effectiveRL = 2.0f;
}
var effectiveLevel = effectiveSL * effectiveRL;
// SL cap:
// Trained / untrained: 1/2 shield skill
// Spec: shield skill
// SL cap is applied *after* item enchantments
var shieldSkill = GetCreatureSkill(Skill.Shield);
var shieldCap = shieldSkill.Current;
if (shieldSkill.Status != SkillStatus.Specialized)
{
shieldCap = (uint)Math.Round(shieldCap / 2.0f);
}
effectiveLevel = Math.Min(effectiveLevel, shieldCap);
// SL is multiplied by existing AL
var shieldMod = SkillFormula.CalcArmorMod(effectiveLevel);
//Console.WriteLine("ShieldMod: " + shieldMod);
return(shieldMod);
}