/// <summary>
/// Rage for the attacker of an AttackAction
/// </summary>
public static void GenerateDefaultAttackerRage(AttackAction action)
{
var attacker = action.Attacker;
// only generate Rage for white damage
if (action.IsWeaponAttack)
{
double hitFactor;
if (action.Weapon == attacker.OffHandWeapon)
{
hitFactor = 1.75;
}
else
{
hitFactor = 3.5;
}
if (action.IsCritical)
{
hitFactor *= 2;
}
hitFactor *= action.Weapon.AttackTime;
var lvl = attacker.Level;
var c = 0.0092f * lvl * lvl + 3.23f * lvl + 4.27f;
var rage = ((15 * action.ActualDamage / c) + (hitFactor / 2000f)) + 1;
// Multiplied by 2 to match an approximate value, check the formula instead.
attacker.Power += (int)(rage*2);
}
}
/// <summary>
/// Rage for the victim of an AttackAction
/// </summary>
public static void GenerateDefaultVictimRage(AttackAction action)
{
var victim = action.Victim;
var lvl = victim.Level;
var c = (int)(0.0092 * lvl * lvl + 3.23f * lvl + 4.27f); // polynomial rage co-efficient
victim.Power += (5 * (action.ActualDamage + 1) / (2 * c))*10;
}
/// <summary>
/// Any spell and ranged damage
/// SMSG_SPELLNONMELEEDAMAGELOG
/// </summary>
/*
Target: High: 0xF530 (Unit) - Low: 619710 - Entry: UmbralBrute (30922)
Caster: High: 0x0000 (Player) - Low: 2211871
Spell: ClassSkillArcaneShot_11 (49045)
Damage: 776
Overkill: 0
SchoolMask: Arcane (64)
Absorbed: 0
Resisted: 0
UnkByte1: 0
UnkByte2 (Unused): 0
Blocked: 0
HitFlags: 37
UnkByte3 (Unused): 0
*/
public static void SendMagicDamage(AttackAction state)
{
using (var packet = new RealmPacketOut(RealmServerOpCode.SMSG_SPELLNONMELEEDAMAGELOG, 40))
{
state.Victim.EntityId.WritePacked(packet);
if (state.Attacker != null)
{
state.Attacker.EntityId.WritePacked(packet);
}
else
{
packet.Write((byte)0);
}
packet.Write(state.SpellEffect != null ? state.SpellEffect.Spell.Id : 0);
packet.Write(state.Damage);
packet.Write(0); // overkill?
packet.Write((byte)state.Schools);
packet.Write(state.Absorbed);
packet.Write(state.Resisted);
//packet.Write(0); // is always 0
packet.Write((state.Schools & DamageSchoolMask.Physical) != 0);
packet.Write((byte)0); // 0 or 1
packet.Write(state.Blocked);
// also flags 0x8, 0x10,
var hitFlags = state.IsCritical ? SpellLogFlags.Critical : SpellLogFlags.None;
packet.Write((int)hitFlags);
packet.Write((byte)0);// unused by client
state.Victim.SendPacketToArea(packet, true);
}
}
public static void SendAttackerStateUpdate(AttackAction action)
{
using (var packet = new RealmPacketOut(RealmServerOpCode.SMSG_ATTACKERSTATEUPDATE, 100))
{
var evade = action.VictimState == VictimState.Evade;
if (evade)
{
//action.HitFlags |= HitFlags.HitFlag_0x800 | HitFlags.Absorb_1;
}
packet.Write((uint)action.HitFlags);
action.Attacker.EntityId.WritePacked(packet);
action.Victim.EntityId.WritePacked(packet);
var dmg = action.ActualDamage;
packet.Write(dmg);
packet.Write(0); // unknown (overkill?)
//damage count
const byte damageCount = 1;
packet.Write(damageCount);
for (byte i = 0; i < damageCount; i++)
{
packet.Write((uint) action.Schools);
packet.Write((float) dmg);
packet.Write(dmg);
}
if (action.HitFlags.HasAny(HitFlags.Absorb_1 | HitFlags.Absorb_2))
{
for (byte i = 0; i < damageCount; i++)
{
packet.Write(action.Absorbed);
}
}
if (action.HitFlags.HasAny(HitFlags.Resist_1 | HitFlags.Resist_2))
{
for (byte i =0;i<damageCount;i++)
{
packet.Write(action.Resisted);
}
}
packet.Write((byte)action.VictimState);
if (evade)
{
packet.Write(0x1000002);
}
else
{
packet.Write(dmg > 0 ? -1 : 0); // 0 if no damage, else -1 or 1000 or very rarely something else (eg when evading)
}
packet.Write(0);// this is a spell id
if (action.HitFlags.HasAny(HitFlags.Block))
{
packet.Write(action.Blocked);
}
//if ((hitFlags & HitFlags.HitFlag_0x800000) != 0)
//{
// packet.Write(0);
//}
//if ((hitFlags & HitFlags.HitFlag_0x1) != 0)
//{
// packet.Write(0);
// packet.Write((float)0);
// packet.Write((float)0);
// packet.Write((float)0);
// packet.Write((float)0);
// packet.Write((float)0);
// packet.Write((float)0);
// packet.Write((float)0);
// packet.Write((float)0);
// for (int i = 0; i < 5; i++)
// {
// packet.Write(0);
// packet.Write(0);
// }
// packet.Write(0);
//}
action.Victim.SendPacketToArea(packet, true);
}
}
/// <summary>
/// Does spell-damage to this Unit
/// </summary>
public void DoSpellDamage(Unit attacker, SpellEffect effect, int dmg)
{
DamageSchool school;
if (effect != null)
{
school = GetLeastResistant(effect.Spell);
}
else
{
school = DamageSchool.Physical;
}
if (IsEvading || IsImmune(school) || IsInvulnerable || !IsAlive)
{
return;
}
var action = attacker != null ? attacker.m_AttackAction : m_AttackAction;
if (action == null || action.IsInUse)
{
// currently in use
action = new AttackAction(attacker);
}
else
{
action.Attacker = attacker;
action.HitFlags = 0;
action.VictimState = 0;
action.Weapon = null;
}
if (effect != null)
{
action.UsedSchool = school;
action.Schools = effect.Spell.SchoolMask;
action.IsDot = effect.IsPeriodic;
}
else
{
action.UsedSchool = DamageSchool.Physical;
action.Schools = DamageSchoolMask.Physical;
action.IsDot = false;
}
var resChance = GetResistChance(this, action.UsedSchool);
action.Victim = this;
if (attacker != null)
{
action.Damage = attacker.AddDamageMods(dmg, action.SpellEffect, action.UsedSchool);
if (effect != null && !action.IsDot && !effect.Spell.AttributesExB.Has(SpellAttributesExB.CannotCrit) &&
attacker.CalcSpellCritChance(this, action.UsedSchool, resChance, effect.Spell) > Utility.Random(0f, 100f))
{
action.Damage = attacker.CalcCritDamage(action.ActualDamage, this, effect).RoundInt();
action.IsCritical = true;
}
else
{
action.IsCritical = false;
}
}
action.Absorbed = Absorb(action.UsedSchool, action.Damage);
action.Resisted = (int)Math.Round(action.Damage * resChance);
action.Blocked = 0; // TODO: Deflect
action.SpellEffect = effect;
//TODO: figure this out: However, when spells do only damage, it's not just a full hit or full miss situation. Pure damage spells can be resisted for 0%, 25%, 50%, 75%, or 100% of their regular damage.
DoRawDamage(action);
CombatLogHandler.SendMagicDamage(action);
action.OnFinished();
//Your average resistance can still be anywhere betweeen 0% and 75%. If your average resistance is maxed out, then there's a really good chance of having 75% of the spell's damage be resisted.
//There's also a fairly good chance of having 100% of the spell's damage be resisted, a slightly lower chance of 50% of its damage being resisted, a small chances of only 25%, or even 0% of the damage being resisted.
//It's a weighted average. Visualize it as a bell curve around your average resistance.
}
/// <summary>
/// Do a single attack using the given Weapon and AttackAction.
/// </summary>
/// <param name="weapon"></param>
/// <param name="action"></param>
public void Strike(IWeapon weapon, AttackAction action, Unit target)
{
if (weapon == null)
{
log.Error("Trying to strike without weapon: " + this);
return;
}
//if (IsMovementConrolled)
//{
// // stop running when landing a hit
// m_Movement.Stop();
//}
// calc damage
if (weapon == m_offhandWeapon)
{
action.Damage = Utility.Random((int)MinOffHandDamage, (int)MaxOffHandDamage + 1);
}
else
{
if (weapon.IsRanged)
{
action.Damage = Utility.Random((int)MinRangedDamage, (int)MaxRangedDamage + 1);
}
else
{
action.Damage = Utility.Random((int)MinDamage, (int)MaxDamage + 1);
}
}
action.Victim = target;
action.Attacker = this;
action.Weapon = weapon;
if (m_pendingCombatAbility != null && m_pendingCombatAbility.IsCasting)
{
// Pending combat ability
var ability = m_pendingCombatAbility;
// get boni, damage and let the Spell impact
var multiplier = 100;
SpellEffect effect = null;
foreach (var effectHandler in ability.Handlers)
{
if (effectHandler.Effect.IsStrikeEffectFlat)
{
action.Damage += effectHandler.CalcEffectValue();
}
else if (effectHandler.Effect.IsStrikeEffectPct)
{
multiplier += effectHandler.CalcEffectValue();
}
if (effect == null)
{
// use the first effect
effect = effectHandler.Effect;
}
}
action.Damage = (action.Damage * multiplier) / 100;
// send pending animation
if (ability.IsInstant)
{
m_pendingCombatAbility.SendCastStart();
}
if (!ability.Spell.IsRangedAbility)
{
m_pendingCombatAbility.CheckHitAndSendSpellGo(true);
}
// prevent the ability from cancelling itself
m_pendingCombatAbility = null;
action.Schools = ability.Spell.SchoolMask;
action.SpellEffect = effect;
if (ability.Spell.IsAreaSpell)
{
var totalDmg = action.Damage;
action.IsDot = false;
// AoE spell
foreach (var targ in ability.Targets)
{
action.Reset(this, (Unit)targ, weapon, totalDmg);
action.DoAttack();
if (ability.Spell.IsDualWieldAbility)
{
action.Reset(this, (Unit)targ, weapon, Utility.Random((int)MinOffHandDamage, (int)MaxOffHandDamage + 1));
action.DoAttack();
}
}
}
else
{
// single target
if (!action.DoAttack() &&
ability.Spell.AttributesExC.Has(SpellAttributesExC.RequiresTwoWeapons))
{
// missed and is not attacking with both weapons -> don't trigger spell
CancelPendingAbility();
return;
}
}
// Impact and trigger remaining effects (if not cancelled)
if (!ability.Spell.IsRangedAbility)
{
ability.Impact(ability.Spell.IsOnNextStrike);
}
}
else
{
m_extraAttacks += 1;
do
{
action.Schools = weapon.Damages.AllSchools();
if (action.Schools == DamageSchoolMask.None)
{
action.Schools = DamageSchoolMask.Physical;
}
// normal attack
action.DoAttack();
} while (--m_extraAttacks > 0);
}
action.OnFinished();
}
