/// <summary>
/// Gets the spell damage.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="target">The target.</param>
/// <param name="spellSlot">The spell slot.</param>
/// <param name="stage">The stage.</param>
/// <returns>System.Double.</returns>
public static double GetSpellDamage(
this Obj_AI_Hero source,
Obj_AI_Base target,
SpellSlot spellSlot,
DamageStage stage = DamageStage.Default)
{
if (source == null || !source.IsValid || target == null || !target.IsValid)
{
return(0);
}
if (!DamageLibrary.Damages.TryGetValue(source.ChampionName, out ChampionDamage value))
{
return(0);
}
var spellData = value.GetSlot(spellSlot)?.FirstOrDefault(e => e.Stage == stage)?.SpellData;
if (spellData == null)
{
return(0);
}
var spellLevel =
source.SpellBook.GetSpell(spellData.ScaleSlot != SpellSlot.Unknown ? spellData.ScaleSlot : spellSlot).Level;
if (spellLevel == 0)
{
return(0);
}
var alreadyAdd1 = false;
var targetHero = target as Obj_AI_Hero;
var targetMinion = target as Obj_AI_Minion;
var dmgBase = 0d;
var dmgBonus = 0d;
var dmgPassive = 0d;
var dmgReduce = 1d;
if (spellData.DamagesPerLvl?.Count > 0)
{
dmgBase = spellData.DamagesPerLvl[Math.Min(source.Level - 1, spellData.DamagesPerLvl.Count - 1)];
}
else if (spellData.Damages?.Count > 0)
{
dmgBase = spellData.Damages[Math.Min(spellLevel - 1, spellData.Damages.Count - 1)];
if (!string.IsNullOrEmpty(spellData.ScalingBuff))
{
var buffCount = (spellData.ScalingBuffTarget == DamageScalingTarget.Source ? source : target)
.GetRealBuffCount(spellData.ScalingBuff);
dmgBase = buffCount > 0 ? dmgBase * (buffCount + spellData.ScalingBuffOffset) : 0;
}
}
if (dmgBase > 0)
{
if (targetMinion != null && spellData.BonusDamageOnMinion?.Count > 0)
{
dmgBase += spellData.BonusDamageOnMinion[Math.Min(
spellLevel - 1,
spellData.BonusDamageOnMinion.Count - 1)];
}
if (spellData.IsApplyOnHit || spellData.IsModifiedDamage ||
spellData.SpellEffectType == SpellEffectType.Single)
{
alreadyAdd1 = true;
}
dmgBase = source.CalculateDamage(target, spellData.DamageType, dmgBase);
}
if (spellData.BonusDamages?.Count > 0)
{
foreach (var bonusDmg in spellData.BonusDamages)
{
var dmg = source.GetBonusSpellDamage(target, bonusDmg, spellLevel - 1);
if (dmg <= 0)
{
continue;
}
if (!alreadyAdd1 && (spellData.IsModifiedDamage ||
spellData.SpellEffectType == SpellEffectType.Single))
{
alreadyAdd1 = true;
}
dmgBonus += source.CalculateDamage(target, bonusDmg.DamageType, dmg);
}
}
var totalDamage = dmgBase + dmgBonus;
if (totalDamage > 0)
{
if (spellData.ScalePerCritPercent > 0)
{
totalDamage *= source.Crit * 100 * spellData.ScalePerCritPercent;
}
if (spellData.ScalePerTargetMissHealth > 0)
{
totalDamage *= (target.MaxHealth - target.Health) / target.MaxHealth
* spellData.ScalePerTargetMissHealth + 1;
}
if (target is Obj_AI_Minion && spellData.MaxDamageOnMinion?.Count > 0)
{
totalDamage = Math.Min(
totalDamage,
spellData.MaxDamageOnMinion[Math.Min(spellLevel - 1, spellData.MaxDamageOnMinion.Count - 1)]);
}
if (spellData.IsApplyOnHit || spellData.IsModifiedDamage)
{
var itemDamage = DamageItems.ComputeItemDamages(source, target);
dmgPassive += itemDamage.PhysicalDamage + itemDamage.MagicalDamage;
}
var sorcery = source.GetFerocityPage(MasteryId.Ferocity.Sorcery);
if (sorcery != null && source.IsUsingMastery(sorcery))
{
totalDamage *= 1 + new[] { 0.4, 0.8, 1.2, 1.6, 2 }[sorcery.Points - 1] / 100;
}
if (spellData.IsModifiedDamage)
{
if (targetHero != null &&
targetHero.HasItem(ItemId.NinjaTabi))
{
dmgReduce *= 0.9;
}
}
}
if (spellData.IsApplyOnHit || spellData.IsModifiedDamage)
{
dmgPassive += source.GetPassiveFlatMod(target);
}
if (source.ChampionName == "Sejuani" &&
target.HasBuff("sejuanistun"))
{
switch (target.Type)
{
case GameObjectType.obj_AI_Hero:
if (source.Level < 7)
{
dmgPassive += 0.1 * target.MaxHealth;
}
else if (source.Level < 14)
{
dmgPassive += 0.15 * target.MaxHealth;
}
else
{
dmgPassive += 0.2 * target.MaxHealth;
}
break;
case GameObjectType.obj_AI_Minion:
dmgPassive += 400;
break;
}
}
return(Math.Max(Math.Floor(totalDamage * dmgReduce + dmgPassive), 0));
}
