public SpAttackResult(Creature creature, int skillId, AttackResult atk)
{
Creature = creature;
Target = atk.Target;
SkillId = skillId;
AttackUid = atk.AttackUid;
AttackType = atk.AttackType.GetHashCode();
Damage = atk.Damage;
VisualEffect = atk.VisualEffect;
if (VisualEffect != null)
AttackType |= 1 << 24;
}
private static void TrySetCrit(Creature attacker, AttackResult result)
{
int chance = (attacker is Player) ? 10 : 30;
chance += attacker.GameStats.CritChanse - result.Target.GameStats.CritResist;
if (chance < 0)
chance = 2;
if (RandomUtilities.Random().Next(0, 100) > chance)
return;
result.Damage *= attacker.GameStats.CritPower;
result.AttackType = AttackType.Critical;
}
public static void UpdateAttackResult(Creature attacker, AttackResult result)
{
if(attacker is Player)
PassivityProcessor.OnAttack((Player)attacker, result);
if(result.Target is Player)
PassivityProcessor.OnAttacked((Player)result.Target, result);
TrySetCrit(attacker, result);
}
private async void ProcessArea(Creature creature, Skill skill, Targeting targeting, TargetingArea area,
Projectile projectile = null)
{
try
{
bool isProjectileSkill = skill.Type == SkillType.Projectile || skill.Type == SkillType.Userslug;
int skillId = creature.Attack.Args.SkillId;
if (isProjectileSkill)
skillId += 20;
if (targeting.Time > 0)
await Task.Delay((int) (targeting.Time/skill.TimeRate));
int elapsed = targeting.Time;
Player player = creature as Player;
do
{
try
{
if (creature.LifeStats.IsDead())
return;
if (area.DropItem != null)
creature.Instance.AddDrop(new Item
{
Owner = player,
ItemId = (int) area.DropItem,
Count = 1,
Position = Geom.ForwardPosition(creature.Position, 40),
Instance = player.Instance,
});
Point3D center =
projectile != null
? projectile.Position.ToPoint3D()
: Geom.GetNormal(creature.Position.Heading)
.Multiple(area.OffsetDistance)
.Add(creature.Position);
int count = 0;
List<Creature> targets =
creature.Attack.Args.Targets.Count > 0
? creature.Attack.Args.Targets
: VisibleService.FindTargets(creature,
center,
projectile != null
? projectile.AttackDistance
: area.MaxRadius,
area.Type);
foreach (Creature target in targets)
{
if (target != creature //Ignore checks for self-target
&& !isProjectileSkill
&& !creature.Attack.Args.IsItemSkill)
{
if (center.DistanceTo(target.Position) < area.MinRadius - 40)
continue;
if (center.DistanceTo(target.Position) > area.MaxRadius)
continue;
short diff = Geom.GetAngleDiff(creature.Attack.Args.StartPosition.Heading,
Geom.GetHeading(center, target.Position));
//diff from 0 to 180
//area.RangeAngel from 0 to 360
if (diff * 2 > (creature.Attack.Args.IsTargetAttack ? 90 : Math.Abs(area.RangeAngle) + 10))
continue;
}
if (skill.TotalAtk > 0)
{
int damage = SeUtils.CalculateDamage(creature, target, skill.TotalAtk*area.Effect.Atk);
AttackResult result
= new AttackResult
{
AttackType = AttackType.Normal,
AttackUid = creature.Attack.UID,
Damage = damage,
Target = target,
};
result.AngleDif = Geom.GetAngleDiff(creature.Attack.Args.StartPosition.Heading, result.Target.Position.Heading);
SeUtils.UpdateAttackResult(creature, result);
if (result.AttackType == AttackType.Block)
VisibleService.Send(target, new SpAttackShowBlock(target, skillId));
VisibleService.Send(target, new SpAttackResult(creature, skillId, result));
AiLogic.OnAttack(creature, target);
AiLogic.OnAttacked(target, creature, result.Damage);
if (target is Player && ((Player)target).Duel != null && player != null &&
((Player)target).Duel.Equals(player.Duel) &&
target.LifeStats.GetHpDiffResult(damage) < 1)
DuelService.FinishDuel(player);
else
CreatureLogic.HpChanged(target, target.LifeStats.MinusHp(result.Damage));
}
if (area.Effect.HpDiff > 0)
{
AttackResult result = new AttackResult {HpDiff = area.Effect.HpDiff, Target = target};
PassivityProcessor.OnHeal(player, result);
if(target is Player)
PassivityProcessor.OnHealed((Player)target, result);
CreatureLogic.HpChanged(target, target.LifeStats.PlusHp(result.HpDiff),
creature);
}
if (area.Effect.MpDiff > 0)
CreatureLogic.MpChanged(target, target.LifeStats.PlusMp(area.Effect.MpDiff), creature);
if (area.Effect.AbnormalityOnCommon != null)
for (int i = 0; i < area.Effect.AbnormalityOnCommon.Count; i++)
AbnormalityProcessor.AddAbnormality(target, area.Effect.AbnormalityOnCommon[i],
creature);
if (player != null)
{
DuelService.ProcessDamage(player);
//MP regen on combo skill
if (skill.Id/10000 == 1 && player.GameStats.CombatMpRegen > 0)
{
CreatureLogic.MpChanged(player, player.LifeStats.PlusMp(
player.MaxMp*player.GameStats.CombatMpRegen/200));
}
}
if (++count == area.MaxCount) break;
}
}
catch (Exception ex)
{
Logger.WriteLine(LogState.Exception,"SkillEngine: ProcessAreaExc: " + ex);
}
if (targeting.Interval > 0)
{
await Task.Delay((int) (targeting.Interval/skill.TimeRate));
elapsed += targeting.Interval;
}
} while (targeting.Interval > 0 && elapsed < targeting.Until);
}
catch (Exception ex)
{
Logger.WriteLine(LogState.Exception,"SkillEngine: ProcessArea: " + ex);
}
}
private static void ApplyPassivity(Player player, Condition condition, Passivity passivity, AttackResult result)
{
if(!CheckCondition(condition, passivity))
return;
if(passivity.Probability >= 0.001f && 1.0f - passivity.Probability > 0.001f)
if(RandomUtilities.Random().Next(0, 100) > passivity.Probability*100)
return;
switch (passivity.Type)
{
// Damage block
case 109:
if (result.AttackType != AttackType.Normal || !result.Target.EffectsImpact.IsBlockFrontAttacks)
return;
if (result.AngleDif < 135 || passivity.Value < result.Damage)
return;
result.Damage = 0;
result.AttackType = AttackType.Block;
break;
// Heal modifier
case 168:
case 169:
switch (passivity.Method)
{
case 2:
result.HpDiff += (int)passivity.Value;
break;
case 3:
result.HpDiff = (int)passivity.Value * result.HpDiff;
break;
}
break;
// Do more damage when attack ...
case 152:
if (passivity.MobSize != NpcSize.All)
{
if (result.Target is Player && passivity.MobSize != NpcSize.Player)
return;
if (result.Target is Npc && ((Npc)result.Target).NpcTemplate.Size != passivity.MobSize)
return;
}
switch (passivity.Method)
{
case 2:
result.Damage += (int)passivity.Value;
break;
case 3:
result.Damage = (int)(passivity.Value * result.Damage);
break;
}
break;
// Chance to regenerate MP when combat starts.
case 207:
Communication.Global.FeedbackService.MpChanged(player, (int)passivity.Value, player);
break;
}
}
private static void Apply(Player player, Condition condition, AttackResult result = null)
{
foreach (var passivity in player.GameStats.Passivities)
ApplyPassivity(player, condition, passivity, result);
}
public static void OnHealed(Player player, AttackResult heal)
{
Apply(player, Condition.Healed, heal);
}
public static void OnAttacked(Player player, AttackResult attack)
{
Apply(player, Condition.Attacked, attack);
}
public static void OnAttack(Player player, AttackResult attack)
{
}