Files
CypherCore/Source/Game/Entities/Unit/Unit.Combat.cs
T
2021-06-08 12:56:09 -04:00

1869 lines
79 KiB
C#

/*
* Copyright (C) 2012-2020 CypherCore <http://github.com/CypherCore>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using Framework.Constants;
using Game.BattleFields;
using Game.BattleGrounds;
using Game.Combat;
using Game.DataStorage;
using Game.Loots;
using Game.Maps;
using Game.Networking.Packets;
using Game.PvP;
using Game.Spells;
using System;
using System.Collections.Generic;
using System.Linq;
namespace Game.Entities
{
public partial class Unit
{
public virtual void AtEnterCombat()
{
foreach (var pair in GetAppliedAuras())
pair.Value.GetBase().CallScriptEnterLeaveCombatHandlers(pair.Value, true);
Spell spell = GetCurrentSpell(CurrentSpellTypes.Generic);
if (spell != null)
if (spell.GetState() == SpellState.Preparing
&& spell.m_spellInfo.HasAttribute(SpellAttr0.CantUsedInCombat)
&& spell.m_spellInfo.InterruptFlags.HasFlag(SpellInterruptFlags.Combat))
InterruptNonMeleeSpells(false);
RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.EnteringCombat);
ProcSkillsAndAuras(null, ProcFlags.EnterCombat, ProcFlags.None, ProcFlagsSpellType.MaskAll, ProcFlagsSpellPhase.None, ProcFlagsHit.None, null, null, null);
}
public virtual void AtExitCombat()
{
foreach (var pair in GetAppliedAuras())
pair.Value.GetBase().CallScriptEnterLeaveCombatHandlers(pair.Value, false);
RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.LeavingCombat);
}
public void CombatStop(bool includingCast = false, bool mutualPvP = true)
{
if (includingCast && IsNonMeleeSpellCast(false))
InterruptNonMeleeSpells(false);
AttackStop();
RemoveAllAttackers();
if (IsTypeId(TypeId.Player))
ToPlayer().SendAttackSwingCancelAttack(); // melee and ranged forced attack cancel
if (mutualPvP)
ClearInCombat();
else
{ // vanish and brethren are weird
m_combatManager.EndAllPvECombat();
m_combatManager.SuppressPvPCombat();
}
}
public void CombatStopWithPets(bool includingCast = false)
{
CombatStop(includingCast);
foreach (var minion in m_Controlled)
minion.CombatStop(includingCast);
}
public bool IsInCombat() { return HasUnitFlag(UnitFlags.InCombat); }
public bool IsInCombatWith(Unit who) { return who != null && m_combatManager.IsInCombatWith(who); }
public bool IsPetInCombat() { return HasUnitFlag(UnitFlags.PetInCombat); }
public void SetInCombatWith(Unit enemy)
{
if (enemy != null)
m_combatManager.SetInCombatWith(enemy);
}
public void EngageWithTarget(Unit enemy)
{
if (enemy == null)
return;
if (IsEngagedBy(enemy))
return;
if (CanHaveThreatList())
m_threatManager.AddThreat(enemy, 0.0f, null, true, true);
else
SetInCombatWith(enemy);
Creature creature = ToCreature();
if (creature != null)
{
CreatureGroup formation = creature.GetFormation();
if (formation != null)
formation.MemberEngagingTarget(creature, enemy);
}
}
public void ClearInCombat() { m_combatManager.EndAllCombat(); }
public void ClearInPetCombat()
{
RemoveUnitFlag(UnitFlags.PetInCombat);
Unit owner = GetOwner();
if (owner != null)
owner.RemoveUnitFlag(UnitFlags.PetInCombat);
}
public void RemoveAllAttackers()
{
while (!attackerList.Empty())
{
var iter = attackerList.First();
if (!iter.AttackStop())
{
Log.outError(LogFilter.Unit, "WORLD: Unit has an attacker that isn't attacking it!");
attackerList.Remove(iter);
}
}
}
public virtual void OnCombatExit()
{
foreach (var pair in GetAppliedAuras())
{
AuraApplication aurApp = pair.Value;
aurApp.GetBase().CallScriptEnterLeaveCombatHandlers(aurApp, false);
}
}
public bool CanHaveThreatList() { return m_threatManager.CanHaveThreatList(); }
void SendThreatListUpdate() { m_threatManager.SendThreatListToClients(); }
// For NPCs with threat list: Whether there are any enemies on our threat list
// For other units: Whether we're in combat
// This value is different from IsInCombat when a projectile spell is midair (combat on launch - threat+aggro on impact)
public bool IsEngaged() { return CanHaveThreatList() ? m_threatManager.IsEngaged() : IsInCombat(); }
public bool IsEngagedBy(Unit who) { return CanHaveThreatList() ? IsThreatenedBy(who) : IsInCombatWith(who); }
public bool IsThreatenedBy(Unit who) { return who != null && m_threatManager.IsThreatenedBy(who, true); }
public bool IsTargetableForAttack(bool checkFakeDeath = true)
{
if (!IsAlive())
return false;
if (HasUnitFlag(UnitFlags.NonAttackable | UnitFlags.NotSelectable))
return false;
if (IsTypeId(TypeId.Player) && ToPlayer().IsGameMaster())
return false;
return !HasUnitState(UnitState.Unattackable) && (!checkFakeDeath || !HasUnitState(UnitState.Died));
}
public void ValidateAttackersAndOwnTarget()
{
// iterate attackers
List<Unit> toRemove = new();
foreach (Unit attacker in GetAttackers())
if (!attacker.IsValidAttackTarget(this))
toRemove.Add(attacker);
foreach (Unit attacker in toRemove)
attacker.AttackStop();
// remove our own victim
Unit victim = GetVictim();
if (victim != null)
if (!IsValidAttackTarget(victim))
AttackStop();
}
public void StopAttackFaction(uint factionId)
{
Unit victim = GetVictim();
if (victim != null)
{
if (victim.GetFactionTemplateEntry().Faction == factionId)
{
AttackStop();
if (IsNonMeleeSpellCast(false))
InterruptNonMeleeSpells(false);
// melee and ranged forced attack cancel
if (IsTypeId(TypeId.Player))
ToPlayer().SendAttackSwingCancelAttack();
}
}
var attackers = GetAttackers();
for (var i = 0; i < attackers.Count;)
{
var unit = attackers[i];
if (unit.GetFactionTemplateEntry().Faction == factionId)
{
unit.AttackStop();
i = 0;
}
else
++i;
}
List<CombatReference> refsToEnd = new();
foreach (var pair in m_combatManager.GetPvECombatRefs())
if (pair.Value.GetOther(this).GetFactionTemplateEntry().Faction == factionId)
refsToEnd.Add(pair.Value);
foreach (CombatReference refe in refsToEnd)
refe.EndCombat();
foreach (var minion in m_Controlled)
minion.StopAttackFaction(factionId);
}
public void HandleProcExtraAttackFor(Unit victim)
{
while (ExtraAttacks != 0)
{
AttackerStateUpdate(victim, WeaponAttackType.BaseAttack, true);
--ExtraAttacks;
}
}
public bool Attack(Unit victim, bool meleeAttack)
{
if (victim == null || victim.GetGUID() == GetGUID())
return false;
// dead units can neither attack nor be attacked
if (!IsAlive() || !victim.IsInWorld || !victim.IsAlive())
return false;
// player cannot attack in mount state
if (IsTypeId(TypeId.Player) && IsMounted())
return false;
Creature creature = ToCreature();
// creatures cannot attack while evading
if (creature != null && creature.IsInEvadeMode())
return false;
if (HasUnitFlag(UnitFlags.Pacified))
return false;
if (HasAuraType(AuraType.DisableAttackingExceptAbilities))
return false;
// nobody can attack GM in GM-mode
if (victim.IsTypeId(TypeId.Player))
{
if (victim.ToPlayer().IsGameMaster())
return false;
}
else
{
if (victim.ToCreature().IsEvadingAttacks())
return false;
}
// remove SPELL_AURA_MOD_UNATTACKABLE at attack (in case non-interruptible spells stun aura applied also that not let attack)
if (HasAuraType(AuraType.ModUnattackable))
RemoveAurasByType(AuraType.ModUnattackable);
if (attacking != null)
{
if (attacking == victim)
{
// switch to melee attack from ranged/magic
if (meleeAttack)
{
if (!HasUnitState(UnitState.MeleeAttacking))
{
AddUnitState(UnitState.MeleeAttacking);
SendMeleeAttackStart(victim);
return true;
}
}
else if (HasUnitState(UnitState.MeleeAttacking))
{
ClearUnitState(UnitState.MeleeAttacking);
SendMeleeAttackStop(victim);
return true;
}
return false;
}
// switch target
InterruptSpell(CurrentSpellTypes.Melee);
if (!meleeAttack)
ClearUnitState(UnitState.MeleeAttacking);
}
if (attacking != null)
attacking._removeAttacker(this);
attacking = victim;
attacking._addAttacker(this);
// Set our target
SetTarget(victim.GetGUID());
if (meleeAttack)
AddUnitState(UnitState.MeleeAttacking);
if (creature != null && !IsPet())
{
EngageWithTarget(victim); // ensure that anything we're attacking has threat
creature.SendAIReaction(AiReaction.Hostile);
creature.CallAssistance();
// Remove emote state - will be restored on creature reset
SetEmoteState(Emote.OneshotNone);
}
// delay offhand weapon attack by 50% of the base attack time
if (HaveOffhandWeapon() && GetTypeId() != TypeId.Player)
SetAttackTimer(WeaponAttackType.OffAttack, Math.Max(GetAttackTimer(WeaponAttackType.OffAttack), GetAttackTimer(WeaponAttackType.BaseAttack) + MathFunctions.CalculatePct(GetBaseAttackTime(WeaponAttackType.BaseAttack), 50)));
if (meleeAttack)
SendMeleeAttackStart(victim);
// Let the pet know we've started attacking someting. Handles melee attacks only
// Spells such as auto-shot and others handled in WorldSession.HandleCastSpellOpcode
if (IsTypeId(TypeId.Player))
{
foreach (Unit controlled in m_Controlled)
{
Creature cControlled = controlled.ToCreature();
if (cControlled != null)
if (cControlled.IsAIEnabled)
cControlled.GetAI().OwnerAttacked(victim);
}
}
return true;
}
public void SendMeleeAttackStart(Unit victim)
{
AttackStart packet = new();
packet.Attacker = GetGUID();
packet.Victim = victim.GetGUID();
SendMessageToSet(packet, true);
}
public void SendMeleeAttackStop(Unit victim = null)
{
SendMessageToSet(new SAttackStop(this, victim), true);
if (victim)
Log.outInfo(LogFilter.Unit, "{0} {1} stopped attacking {2} {3}", (IsTypeId(TypeId.Player) ? "Player" : "Creature"), GetGUID().ToString(),
(victim.IsTypeId(TypeId.Player) ? "player" : "creature"), victim.GetGUID().ToString());
else
Log.outInfo(LogFilter.Unit, "{0} {1} stopped attacking", (IsTypeId(TypeId.Player) ? "Player" : "Creature"), GetGUID().ToString());
}
public ObjectGuid GetTarget() { return m_unitData.Target; }
public virtual void SetTarget(ObjectGuid guid) { }
public bool AttackStop()
{
if (attacking == null)
return false;
Unit victim = attacking;
attacking._removeAttacker(this);
attacking = null;
// Clear our target
SetTarget(ObjectGuid.Empty);
ClearUnitState(UnitState.MeleeAttacking);
InterruptSpell(CurrentSpellTypes.Melee);
// reset only at real combat stop
Creature creature = ToCreature();
if (creature != null)
{
creature.SetNoCallAssistance(false);
if (creature.HasSearchedAssistance())
{
creature.SetNoSearchAssistance(false);
UpdateSpeed(UnitMoveType.Run);
}
}
SendMeleeAttackStop(victim);
return true;
}
void _addAttacker(Unit pAttacker)
{
attackerList.Add(pAttacker);
}
void _removeAttacker(Unit pAttacker)
{
attackerList.Remove(pAttacker);
}
public Unit GetVictim()
{
return attacking;
}
public Unit GetAttackerForHelper()
{
if (!IsEngaged())
return null;
Unit victim = GetVictim();
if (victim != null)
if ((!IsPet() && GetPlayerMovingMe() == null) || IsInCombatWith(victim))
return victim;
CombatManager mgr = GetCombatManager();
// pick arbitrary targets; our pvp combat > owner's pvp combat > our pve combat > owner's pve combat
Unit owner = GetCharmerOrOwner();
if (mgr.HasPvPCombat())
return mgr.GetPvPCombatRefs().First().Value.GetOther(this);
if (owner && (owner.GetCombatManager().HasPvPCombat()))
return owner.GetCombatManager().GetPvPCombatRefs().First().Value.GetOther(owner);
if (mgr.HasPvECombat())
return mgr.GetPvECombatRefs().First().Value.GetOther(this);
if (owner && (owner.GetCombatManager().HasPvECombat()))
return owner.GetCombatManager().GetPvECombatRefs().First().Value.GetOther(owner);
return null;
}
public List<Unit> GetAttackers()
{
return attackerList;
}
public override float GetCombatReach() { return m_unitData.CombatReach; }
public void SetCombatReach(float combatReach) { SetUpdateFieldValue(m_values.ModifyValue(m_unitData).ModifyValue(m_unitData.CombatReach), combatReach); }
public float GetBoundingRadius() { return m_unitData.BoundingRadius; }
public void SetBoundingRadius(float boundingRadius) { SetUpdateFieldValue(m_values.ModifyValue(m_unitData).ModifyValue(m_unitData.BoundingRadius), boundingRadius); }
public void ResetAttackTimer(WeaponAttackType type = WeaponAttackType.BaseAttack)
{
m_attackTimer[(int)type] = (uint)(GetBaseAttackTime(type) * m_modAttackSpeedPct[(int)type]);
}
public void SetAttackTimer(WeaponAttackType type, uint time)
{
m_attackTimer[(int)type] = time;
}
public uint GetAttackTimer(WeaponAttackType type)
{
return m_attackTimer[(int)type];
}
public bool IsAttackReady(WeaponAttackType type = WeaponAttackType.BaseAttack)
{
return m_attackTimer[(int)type] == 0;
}
public uint GetBaseAttackTime(WeaponAttackType att)
{
return m_baseAttackSpeed[(int)att];
}
public void AttackerStateUpdate(Unit victim, WeaponAttackType attType = WeaponAttackType.BaseAttack, bool extra = false)
{
if (HasUnitState(UnitState.CannotAutoattack) || HasUnitFlag(UnitFlags.Pacified))
return;
if (!victim.IsAlive())
return;
if ((attType == WeaponAttackType.BaseAttack || attType == WeaponAttackType.OffAttack) && !IsWithinLOSInMap(victim))
return;
AttackedTarget(victim, true);
RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.Attacking);
// ignore ranged case
if (attType != WeaponAttackType.BaseAttack && attType != WeaponAttackType.OffAttack)
return;
if (IsTypeId(TypeId.Unit) && !HasUnitFlag(UnitFlags.PlayerControlled) && !HasUnitFlag2(UnitFlags2.DisableTurn))
SetFacingToObject(victim, false); // update client side facing to face the target (prevents visual glitches when casting untargeted spells)
// melee attack spell casted at main hand attack only - no normal melee dmg dealt
if (attType == WeaponAttackType.BaseAttack && GetCurrentSpell(CurrentSpellTypes.Melee) != null && !extra)
m_currentSpells[CurrentSpellTypes.Melee].Cast();
else
{
// attack can be redirected to another target
victim = GetMeleeHitRedirectTarget(victim);
var meleeAttackOverrides = GetAuraEffectsByType(AuraType.OverrideAutoattackWithMeleeSpell);
AuraEffect meleeAttackAuraEffect = null;
uint meleeAttackSpellId = 0;
if (attType == WeaponAttackType.BaseAttack)
{
if (!meleeAttackOverrides.Empty())
{
meleeAttackAuraEffect = meleeAttackOverrides.First();
meleeAttackSpellId = meleeAttackAuraEffect.GetSpellEffectInfo().TriggerSpell;
}
}
else
{
var auraEffect = meleeAttackOverrides.Find(aurEff =>
{
return aurEff.GetSpellEffectInfo().MiscValue != 0;
});
if (auraEffect != null)
{
meleeAttackAuraEffect = auraEffect;
meleeAttackSpellId = (uint)meleeAttackAuraEffect.GetSpellEffectInfo().MiscValue;
}
}
if (meleeAttackAuraEffect == null)
{
CalcDamageInfo damageInfo;
CalculateMeleeDamage(victim, 0, out damageInfo, attType);
// Send log damage message to client
DealDamageMods(victim, ref damageInfo.damage, ref damageInfo.absorb);
SendAttackStateUpdate(damageInfo);
DealMeleeDamage(damageInfo, true);
DamageInfo dmgInfo = new(damageInfo);
ProcSkillsAndAuras(damageInfo.target, damageInfo.procAttacker, damageInfo.procVictim, ProcFlagsSpellType.None, ProcFlagsSpellPhase.None, dmgInfo.GetHitMask(), null, dmgInfo, null);
Log.outDebug(LogFilter.Unit, "AttackerStateUpdate: {0} attacked {1} for {2} dmg, absorbed {3}, blocked {4}, resisted {5}.",
GetGUID().ToString(), victim.GetGUID().ToString(), damageInfo.damage, damageInfo.absorb, damageInfo.blocked_amount, damageInfo.resist);
}
else
{
CastSpellExtraArgs args = new(TriggerCastFlags.FullMask);
args.TriggeringAura = meleeAttackAuraEffect;
CastSpell(victim, meleeAttackSpellId, args);
HitInfo hitInfo = HitInfo.AffectsVictim | HitInfo.NoAnimation;
if (attType == WeaponAttackType.OffAttack)
hitInfo |= HitInfo.OffHand;
SendAttackStateUpdate(hitInfo, victim, GetMeleeDamageSchoolMask(), 0, 0, 0, VictimState.Hit, 0);
}
}
}
public void FakeAttackerStateUpdate(Unit victim, WeaponAttackType attType = WeaponAttackType.BaseAttack)
{
if (HasUnitState(UnitState.CannotAutoattack) || HasUnitFlag(UnitFlags.Pacified))
return;
if (!victim.IsAlive())
return;
if ((attType == WeaponAttackType.BaseAttack || attType == WeaponAttackType.OffAttack) && !IsWithinLOSInMap(victim))
return;
AttackedTarget(victim, true);
RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.Attacking);
if (attType != WeaponAttackType.BaseAttack && attType != WeaponAttackType.OffAttack)
return; // ignore ranged case
if (IsTypeId(TypeId.Unit) && !HasUnitFlag(UnitFlags.PlayerControlled) && !HasUnitFlag2(UnitFlags2.DisableTurn))
SetFacingToObject(victim, false); // update client side facing to face the target (prevents visual glitches when casting untargeted spells)
CalcDamageInfo damageInfo = new();
damageInfo.attacker = this;
damageInfo.target = victim;
damageInfo.damageSchoolMask = (uint)GetMeleeDamageSchoolMask();
damageInfo.attackType = attType;
damageInfo.damage = 0;
damageInfo.originalDamage = 0;
damageInfo.cleanDamage = 0;
damageInfo.absorb = 0;
damageInfo.resist = 0;
damageInfo.blocked_amount = 0;
damageInfo.TargetState = VictimState.Hit;
damageInfo.HitInfo = HitInfo.AffectsVictim | HitInfo.NormalSwing | HitInfo.FakeDamage;
if (attType == WeaponAttackType.OffAttack)
damageInfo.HitInfo |= HitInfo.OffHand;
damageInfo.procAttacker = ProcFlags.None;
damageInfo.procVictim = ProcFlags.None;
damageInfo.hitOutCome = MeleeHitOutcome.Normal;
SendAttackStateUpdate(damageInfo);
}
public void SetBaseWeaponDamage(WeaponAttackType attType, WeaponDamageRange damageRange, float value) { m_weaponDamage[(int)attType][(int)damageRange] = value; }
public Unit GetMagicHitRedirectTarget(Unit victim, SpellInfo spellInfo)
{
// Patch 1.2 notes: Spell Reflection no longer reflects abilities
if (spellInfo.HasAttribute(SpellAttr0.Ability) || spellInfo.HasAttribute(SpellAttr1.CantBeRedirected) || spellInfo.HasAttribute(SpellAttr0.UnaffectedByInvulnerability))
return victim;
var magnetAuras = victim.GetAuraEffectsByType(AuraType.SpellMagnet);
foreach (var eff in magnetAuras)
{
Unit magnet = eff.GetBase().GetCaster();
if (magnet != null)
{
if (spellInfo.CheckExplicitTarget(this, magnet) == SpellCastResult.SpellCastOk && _IsValidAttackTarget(magnet, spellInfo))
{
// @todo handle this charge drop by proc in cast phase on explicit target
if (spellInfo.HasHitDelay())
{
// Set up missile speed based delay
float hitDelay = spellInfo.LaunchDelay;
if (spellInfo.HasAttribute(SpellAttr9.SpecialDelayCalculation))
hitDelay += spellInfo.Speed;
else if (spellInfo.Speed > 0.0f)
hitDelay += Math.Max(victim.GetDistance(this), 5.0f) / spellInfo.Speed;
uint delay = (uint)Math.Floor(hitDelay * 1000.0f);
// Schedule charge drop
eff.GetBase().DropChargeDelayed(delay, AuraRemoveMode.Expire);
}
else
eff.GetBase().DropCharge(AuraRemoveMode.Expire);
return magnet;
}
}
}
return victim;
}
public Unit GetMeleeHitRedirectTarget(Unit victim, SpellInfo spellInfo = null)
{
var interceptAuras = victim.GetAuraEffectsByType(AuraType.InterceptMeleeRangedAttacks);
foreach (var i in interceptAuras)
{
Unit magnet = i.GetCaster();
if (magnet != null)
if (_IsValidAttackTarget(magnet, spellInfo) && magnet.IsWithinLOSInMap(this)
&& (spellInfo == null || (spellInfo.CheckExplicitTarget(this, magnet) == SpellCastResult.SpellCastOk
&& spellInfo.CheckTarget(this, magnet, false) == SpellCastResult.SpellCastOk)))
{
i.GetBase().DropCharge(AuraRemoveMode.Expire);
return magnet;
}
}
return victim;
}
public bool IsValidAttackTarget(Unit target)
{
return _IsValidAttackTarget(target, null);
}
public void SendAttackStateUpdate(HitInfo HitInfo, Unit target, SpellSchoolMask damageSchoolMask, uint Damage, uint AbsorbDamage, uint Resist, VictimState TargetState, uint BlockedAmount)
{
CalcDamageInfo dmgInfo = new();
dmgInfo.HitInfo = HitInfo;
dmgInfo.attacker = this;
dmgInfo.target = target;
dmgInfo.damage = Damage - AbsorbDamage - Resist - BlockedAmount;
dmgInfo.originalDamage = Damage;
dmgInfo.damageSchoolMask = (uint)damageSchoolMask;
dmgInfo.absorb = AbsorbDamage;
dmgInfo.resist = Resist;
dmgInfo.TargetState = TargetState;
dmgInfo.blocked_amount = BlockedAmount;
SendAttackStateUpdate(dmgInfo);
}
public void SendAttackStateUpdate(CalcDamageInfo damageInfo)
{
AttackerStateUpdate packet = new();
packet.hitInfo = damageInfo.HitInfo;
packet.AttackerGUID = damageInfo.attacker.GetGUID();
packet.VictimGUID = damageInfo.target.GetGUID();
packet.Damage = (int)damageInfo.damage;
packet.OriginalDamage = (int)damageInfo.originalDamage;
int overkill = (int)(damageInfo.damage - damageInfo.target.GetHealth());
packet.OverDamage = (overkill < 0 ? -1 : overkill);
SubDamage subDmg = new();
subDmg.SchoolMask = (int)damageInfo.damageSchoolMask; // School of sub damage
subDmg.FDamage = damageInfo.damage; // sub damage
subDmg.Damage = (int)damageInfo.damage; // Sub Damage
subDmg.Absorbed = (int)damageInfo.absorb;
subDmg.Resisted = (int)damageInfo.resist;
packet.SubDmg.Set(subDmg);
packet.VictimState = (byte)damageInfo.TargetState;
packet.BlockAmount = (int)damageInfo.blocked_amount;
packet.LogData.Initialize(damageInfo.attacker);
ContentTuningParams contentTuningParams = new();
if (contentTuningParams.GenerateDataForUnits(damageInfo.attacker, damageInfo.target))
packet.ContentTuning = contentTuningParams;
SendCombatLogMessage(packet);
}
public void AttackedTarget(Unit target, bool canInitialAggro = true)
{
if (!target.IsEngaged() && !canInitialAggro)
return;
target.EngageWithTarget(this);
Unit targetOwner = target.GetCharmerOrOwner();
if (targetOwner != null)
targetOwner.EngageWithTarget(this);
Player myPlayerOwner = GetCharmerOrOwnerPlayerOrPlayerItself();
Player targetPlayerOwner = target.GetCharmerOrOwnerPlayerOrPlayerItself();
if (myPlayerOwner && targetPlayerOwner && !(myPlayerOwner.duel != null && myPlayerOwner.duel.opponent == targetPlayerOwner))
{
myPlayerOwner.UpdatePvP(true);
myPlayerOwner.SetContestedPvP(targetPlayerOwner);
myPlayerOwner.RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.PvPActive);
}
}
public void SetInCombatState(bool PvP, Unit enemy = null)
{
// only alive units can be in combat
if (!IsAlive())
return;
if (PvP)
{
combatTimer = 5000;
Player me = ToPlayer();
if (me)
me.EnablePvpRules(true);
}
if (IsInCombat() || HasUnitState(UnitState.Evade))
return;
AddUnitFlag(UnitFlags.InCombat);
Creature creature = ToCreature();
if (creature != null)
{
// Set home position at place of engaging combat for escorted creatures
if ((IsAIEnabled && creature.GetAI().IsEscorted()) || GetMotionMaster().GetCurrentMovementGeneratorType() == MovementGeneratorType.Waypoint ||
GetMotionMaster().GetCurrentMovementGeneratorType() == MovementGeneratorType.Point)
creature.SetHomePosition(GetPositionX(), GetPositionY(), GetPositionZ(), Orientation);
if (enemy != null)
{
if (IsAIEnabled)
creature.GetAI().JustEngagedWith(enemy);
if (creature.GetFormation() != null)
creature.GetFormation().MemberEngagingTarget(creature, enemy);
}
if (IsPet())
{
UpdateSpeed(UnitMoveType.Run);
UpdateSpeed(UnitMoveType.Swim);
UpdateSpeed(UnitMoveType.Flight);
}
if (!creature.GetCreatureTemplate().TypeFlags.HasAnyFlag(CreatureTypeFlags.MountedCombatAllowed))
Dismount();
}
foreach (var unit in m_Controlled)
unit.SetInCombatState(PvP, enemy);
foreach (var pair in GetAppliedAuras())
{
AuraApplication aurApp = pair.Value;
aurApp.GetBase().CallScriptEnterLeaveCombatHandlers(aurApp, true);
}
Spell spell = GetCurrentSpell(CurrentSpellTypes.Generic);
if (spell != null)
if (spell.GetState() == SpellState.Preparing && spell.m_spellInfo.HasAttribute(SpellAttr0.CantUsedInCombat) && spell.m_spellInfo.InterruptFlags.HasAnyFlag(SpellInterruptFlags.Combat))
InterruptNonMeleeSpells(false);
RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.EnteringCombat);
ProcSkillsAndAuras(enemy, ProcFlags.EnterCombat, ProcFlags.None, ProcFlagsSpellType.MaskAll, ProcFlagsSpellPhase.None, ProcFlagsHit.None, null, null, null);
}
internal void SendCombatLogMessage(CombatLogServerPacket combatLog)
{
CombatLogSender combatLogSender = new(combatLog);
if (IsPlayer())
combatLogSender.Invoke(ToPlayer());
var notifier = new MessageDistDeliverer<CombatLogSender>(this, combatLogSender, GetVisibilityRange());
Cell.VisitWorldObjects(this, notifier, GetVisibilityRange());
}
bool IsThreatened()
{
return !m_threatManager.IsThreatListEmpty();
}
public void Kill(Unit victim, bool durabilityLoss = true, bool skipSettingDeathState = false)
{
// Prevent killing unit twice (and giving reward from kill twice)
if (victim.GetHealth() == 0)
return;
// find player: owner of controlled `this` or `this` itself maybe
Player player = GetCharmerOrOwnerPlayerOrPlayerItself();
Creature creature = victim.ToCreature();
bool isRewardAllowed = true;
if (creature != null)
{
isRewardAllowed = creature.IsDamageEnoughForLootingAndReward();
if (!isRewardAllowed)
creature.SetLootRecipient(null);
}
if (isRewardAllowed && creature != null && creature.GetLootRecipient() != null)
player = creature.GetLootRecipient();
// Exploit fix
if (creature && creature.IsPet() && creature.GetOwnerGUID().IsPlayer())
isRewardAllowed = false;
// Reward player, his pets, and group/raid members
// call kill spell proc event (before real die and combat stop to triggering auras removed at death/combat stop)
if (isRewardAllowed && player != null && player != victim)
{
PartyKillLog partyKillLog = new();
partyKillLog.Player = player.GetGUID();
partyKillLog.Victim = victim.GetGUID();
Player looter = player;
var group = player.GetGroup();
bool hasLooterGuid = false;
if (group)
{
group.BroadcastPacket(partyKillLog, group.GetMemberGroup(player.GetGUID()) != 0);
if (creature)
{
group.UpdateLooterGuid(creature, true);
if (!group.GetLooterGuid().IsEmpty())
{
looter = Global.ObjAccessor.FindPlayer(group.GetLooterGuid());
if (looter)
{
hasLooterGuid = true;
creature.SetLootRecipient(looter); // update creature loot recipient to the allowed looter.
}
}
}
}
else
{
player.SendPacket(partyKillLog);
if (creature != null)
{
LootList lootList = new();
lootList.Owner = creature.GetGUID();
lootList.LootObj = creature.loot.GetGUID();
player.SendMessageToSet(lootList, true);
}
}
if (creature)
{
Loot loot = creature.loot;
loot.Clear();
uint lootid = creature.GetCreatureTemplate().LootId;
if (lootid != 0)
loot.FillLoot(lootid, LootStorage.Creature, looter, false, false, creature.GetLootMode(), GetMap().GetDifficultyLootItemContext());
if (creature.GetLootMode() > 0)
loot.GenerateMoneyLoot(creature.GetCreatureTemplate().MinGold, creature.GetCreatureTemplate().MaxGold);
if (group)
{
if (hasLooterGuid)
group.SendLooter(creature, looter);
else
group.SendLooter(creature, null);
// Update round robin looter only if the creature had loot
if (!loot.Empty())
group.UpdateLooterGuid(creature);
}
}
player.RewardPlayerAndGroupAtKill(victim, false);
}
// Do KILL and KILLED procs. KILL proc is called only for the unit who landed the killing blow (and its owner - for pets and totems) regardless of who tapped the victim
if (IsPet() || IsTotem())
{
// proc only once for victim
Unit owner = GetOwner();
if (owner != null)
owner.ProcSkillsAndAuras(victim, ProcFlags.Kill, ProcFlags.None, ProcFlagsSpellType.MaskAll, ProcFlagsSpellPhase.None, ProcFlagsHit.None, null, null, null);
}
if (!victim.IsCritter())
ProcSkillsAndAuras(victim, ProcFlags.Kill, ProcFlags.Killed, ProcFlagsSpellType.MaskAll, ProcFlagsSpellPhase.None, ProcFlagsHit.None, null, null, null);
// Proc auras on death - must be before aura/combat remove
victim.ProcSkillsAndAuras(victim, ProcFlags.None, ProcFlags.Death, ProcFlagsSpellType.MaskAll, ProcFlagsSpellPhase.None, ProcFlagsHit.None, null, null, null);
// update get killing blow achievements, must be done before setDeathState to be able to require auras on target
// and before Spirit of Redemption as it also removes auras
if (player != null)
player.UpdateCriteria(CriteriaTypes.GetKillingBlows, 1, 0, 0, victim);
if (!skipSettingDeathState)
{
Log.outDebug(LogFilter.Unit, "SET JUST_DIED");
victim.SetDeathState(DeathState.JustDied);
}
// Inform pets (if any) when player kills target)
// MUST come after victim.setDeathState(JUST_DIED); or pet next target
// selection will get stuck on same target and break pet react state
if (player != null)
{
Pet pet = player.GetPet();
if (pet != null && pet.IsAlive() && pet.IsControlled())
pet.GetAI().KilledUnit(victim);
}
// 10% durability loss on death
Player plrVictim = victim.ToPlayer();
if (plrVictim != null)
{
// remember victim PvP death for corpse type and corpse reclaim delay
// at original death (not at SpiritOfRedemtionTalent timeout)
plrVictim.SetPvPDeath(player != null);
// only if not player and not controlled by player pet. And not at BG
if ((durabilityLoss && player == null && !victim.ToPlayer().InBattleground()) || (player != null && WorldConfig.GetBoolValue(WorldCfg.DurabilityLossInPvp)))
{
double baseLoss = WorldConfig.GetFloatValue(WorldCfg.RateDurabilityLossOnDeath);
uint loss = (uint)(baseLoss - (baseLoss * plrVictim.GetTotalAuraMultiplier(AuraType.ModDurabilityLoss)));
Log.outDebug(LogFilter.Unit, "We are dead, losing {0} percent durability", loss);
// Durability loss is calculated more accurately again for each item in Player.DurabilityLoss
plrVictim.DurabilityLossAll(baseLoss, false);
// durability lost message
SendDurabilityLoss(plrVictim, loss);
}
// Call KilledUnit for creatures
if (IsTypeId(TypeId.Unit) && IsAIEnabled)
ToCreature().GetAI().KilledUnit(victim);
// last damage from non duel opponent or opponent controlled creature
if (plrVictim.duel != null)
{
plrVictim.duel.opponent.CombatStopWithPets(true);
plrVictim.CombatStopWithPets(true);
plrVictim.DuelComplete(DuelCompleteType.Interrupted);
}
}
else // creature died
{
Log.outDebug(LogFilter.Unit, "DealDamageNotPlayer");
if (!creature.IsPet())
{
creature.GetThreatManager().ClearAllThreat();
// must be after setDeathState which resets dynamic flags
if (!creature.loot.IsLooted())
creature.AddDynamicFlag(UnitDynFlags.Lootable);
else
creature.AllLootRemovedFromCorpse();
}
// Call KilledUnit for creatures, this needs to be called after the lootable flag is set
if (IsTypeId(TypeId.Unit) && IsAIEnabled)
ToCreature().GetAI().KilledUnit(victim);
// Call creature just died function
if (creature.IsAIEnabled)
creature.GetAI().JustDied(this);
TempSummon summon = creature.ToTempSummon();
if (summon != null)
{
Unit summoner = summon.GetSummoner();
if (summoner != null)
if (summoner.IsTypeId(TypeId.Unit) && summoner.IsAIEnabled)
summoner.ToCreature().GetAI().SummonedCreatureDies(creature, this);
}
// Dungeon specific stuff, only applies to players killing creatures
if (creature.GetInstanceId() != 0)
{
Map instanceMap = creature.GetMap();
Player creditedPlayer = GetCharmerOrOwnerPlayerOrPlayerItself();
// @todo do instance binding anyway if the charmer/owner is offline
if (instanceMap.IsDungeon() && (creditedPlayer || this == victim))
{
if (instanceMap.IsRaidOrHeroicDungeon())
{
if (creature.GetCreatureTemplate().FlagsExtra.HasAnyFlag(CreatureFlagsExtra.InstanceBind))
((InstanceMap)instanceMap).PermBindAllPlayers();
}
else
{
// the reset time is set but not added to the scheduler
// until the players leave the instance
long resettime = GameTime.GetGameTime() + 2 * Time.Hour;
InstanceSave save = Global.InstanceSaveMgr.GetInstanceSave(creature.GetInstanceId());
if (save != null)
if (save.GetResetTime() < resettime)
save.SetResetTime(resettime);
}
}
}
}
// outdoor pvp things, do these after setting the death state, else the player activity notify won't work... doh...
// handle player kill only if not suicide (spirit of redemption for example)
if (player != null && this != victim)
{
OutdoorPvP pvp = player.GetOutdoorPvP();
if (pvp != null)
pvp.HandleKill(player, victim);
BattleField bf = Global.BattleFieldMgr.GetBattlefieldToZoneId(player.GetZoneId());
if (bf != null)
bf.HandleKill(player, victim);
}
// Battlegroundthings (do this at the end, so the death state flag will be properly set to handle in the bg.handlekill)
if (player != null && player.InBattleground())
{
Battleground bg = player.GetBattleground();
if (bg)
{
Player playerVictim = victim.ToPlayer();
if (playerVictim)
bg.HandleKillPlayer(playerVictim, player);
else
bg.HandleKillUnit(victim.ToCreature(), player);
}
}
// achievement stuff
if (victim.IsTypeId(TypeId.Player))
{
if (IsTypeId(TypeId.Unit))
victim.ToPlayer().UpdateCriteria(CriteriaTypes.KilledByCreature, GetEntry());
else if (IsTypeId(TypeId.Player) && victim != this)
victim.ToPlayer().UpdateCriteria(CriteriaTypes.KilledByPlayer, 1, (ulong)ToPlayer().GetTeam());
}
// Hook for OnPVPKill Event
Player killerPlr = ToPlayer();
Creature killerCre = ToCreature();
if (killerPlr != null)
{
Player killedPlr = victim.ToPlayer();
Creature killedCre = victim.ToCreature();
if (killedPlr != null)
Global.ScriptMgr.OnPVPKill(killerPlr, killedPlr);
else if (killedCre != null)
Global.ScriptMgr.OnCreatureKill(killerPlr, killedCre);
}
else if (killerCre != null)
{
Player killed = victim.ToPlayer();
if (killed != null)
Global.ScriptMgr.OnPlayerKilledByCreature(killerCre, killed);
}
}
public void KillSelf(bool durabilityLoss = true, bool skipSettingDeathState = false) { Kill(this, durabilityLoss, skipSettingDeathState); }
public virtual bool CanUseAttackType(WeaponAttackType attacktype)
{
switch (attacktype)
{
case WeaponAttackType.BaseAttack:
return !HasUnitFlag(UnitFlags.Disarmed);
case WeaponAttackType.OffAttack:
return !HasUnitFlag2(UnitFlags2.DisarmOffhand);
case WeaponAttackType.RangedAttack:
return !HasUnitFlag2(UnitFlags2.DisarmRanged);
default:
return true;
}
}
// TODO for melee need create structure as in
void CalculateMeleeDamage(Unit victim, uint damage, out CalcDamageInfo damageInfo, WeaponAttackType attackType)
{
damageInfo = new CalcDamageInfo();
damageInfo.attacker = this;
damageInfo.target = victim;
damageInfo.damageSchoolMask = (uint)SpellSchoolMask.Normal;
damageInfo.attackType = attackType;
damageInfo.damage = 0;
damageInfo.originalDamage = 0;
damageInfo.cleanDamage = 0;
damageInfo.absorb = 0;
damageInfo.resist = 0;
damageInfo.blocked_amount = 0;
damageInfo.TargetState = 0;
damageInfo.HitInfo = 0;
damageInfo.procAttacker = ProcFlags.None;
damageInfo.procVictim = ProcFlags.None;
damageInfo.hitOutCome = MeleeHitOutcome.Evade;
if (victim == null)
return;
if (!IsAlive() || !victim.IsAlive())
return;
// Select HitInfo/procAttacker/procVictim flag based on attack type
switch (attackType)
{
case WeaponAttackType.BaseAttack:
damageInfo.procAttacker = ProcFlags.DoneMeleeAutoAttack | ProcFlags.DoneMainHandAttack;
damageInfo.procVictim = ProcFlags.TakenMeleeAutoAttack;
break;
case WeaponAttackType.OffAttack:
damageInfo.procAttacker = ProcFlags.DoneMeleeAutoAttack | ProcFlags.DoneOffHandAttack;
damageInfo.procVictim = ProcFlags.TakenMeleeAutoAttack;
damageInfo.HitInfo = HitInfo.OffHand;
break;
default:
return;
}
// Physical Immune check
if (damageInfo.target.IsImmunedToDamage((SpellSchoolMask)damageInfo.damageSchoolMask))
{
damageInfo.HitInfo |= HitInfo.NormalSwing;
damageInfo.TargetState = VictimState.Immune;
damageInfo.damage = 0;
damageInfo.cleanDamage = 0;
return;
}
damage += CalculateDamage(damageInfo.attackType, false, true);
// Add melee damage bonus
damage = MeleeDamageBonusDone(damageInfo.target, damage, damageInfo.attackType, DamageEffectType.Direct);
damage = damageInfo.target.MeleeDamageBonusTaken(this, damage, damageInfo.attackType, DamageEffectType.Direct);
// Script Hook For CalculateMeleeDamage -- Allow scripts to change the Damage pre class mitigation calculations
Global.ScriptMgr.ModifyMeleeDamage(damageInfo.target, damageInfo.attacker, ref damage);
// Calculate armor reduction
if (IsDamageReducedByArmor((SpellSchoolMask)damageInfo.damageSchoolMask))
{
damageInfo.damage = CalcArmorReducedDamage(damageInfo.attacker, damageInfo.target, damage, null, damageInfo.attackType);
damageInfo.cleanDamage += damage - damageInfo.damage;
}
else
damageInfo.damage = damage;
damageInfo.hitOutCome = RollMeleeOutcomeAgainst(damageInfo.target, damageInfo.attackType);
switch (damageInfo.hitOutCome)
{
case MeleeHitOutcome.Evade:
damageInfo.HitInfo |= HitInfo.Miss | HitInfo.SwingNoHitSound;
damageInfo.TargetState = VictimState.Evades;
damageInfo.originalDamage = damageInfo.damage;
damageInfo.damage = 0;
damageInfo.cleanDamage = 0;
return;
case MeleeHitOutcome.Miss:
damageInfo.HitInfo |= HitInfo.Miss;
damageInfo.TargetState = VictimState.Intact;
damageInfo.originalDamage = damageInfo.damage;
damageInfo.damage = 0;
damageInfo.cleanDamage = 0;
break;
case MeleeHitOutcome.Normal:
damageInfo.TargetState = VictimState.Hit;
damageInfo.originalDamage = damageInfo.damage;
break;
case MeleeHitOutcome.Crit:
damageInfo.HitInfo |= HitInfo.CriticalHit;
damageInfo.TargetState = VictimState.Hit;
// Crit bonus calc
damageInfo.damage += damageInfo.damage;
// Increase crit damage from SPELL_AURA_MOD_CRIT_DAMAGE_BONUS
float mod = (GetTotalAuraMultiplierByMiscMask(AuraType.ModCritDamageBonus, damageInfo.damageSchoolMask) - 1.0f) * 100;
if (mod != 0)
MathFunctions.AddPct(ref damageInfo.damage, mod);
damageInfo.originalDamage = damageInfo.damage;
break;
case MeleeHitOutcome.Parry:
damageInfo.TargetState = VictimState.Parry;
damageInfo.originalDamage = damageInfo.damage;
damageInfo.cleanDamage += damageInfo.damage;
damageInfo.damage = 0;
break;
case MeleeHitOutcome.Dodge:
damageInfo.TargetState = VictimState.Dodge;
damageInfo.originalDamage = damageInfo.damage;
damageInfo.cleanDamage += damageInfo.damage;
damageInfo.damage = 0;
break;
case MeleeHitOutcome.Block:
damageInfo.TargetState = VictimState.Hit;
damageInfo.HitInfo |= HitInfo.Block;
damageInfo.originalDamage = damageInfo.damage;
// 30% damage blocked, double blocked amount if block is critical
damageInfo.blocked_amount = MathFunctions.CalculatePct(damageInfo.damage, damageInfo.target.IsBlockCritical() ? damageInfo.target.GetBlockPercent(GetLevel()) * 2 : damageInfo.target.GetBlockPercent(GetLevel()));
damageInfo.damage -= damageInfo.blocked_amount;
damageInfo.cleanDamage += damageInfo.blocked_amount;
break;
case MeleeHitOutcome.Glancing:
damageInfo.HitInfo |= HitInfo.Glancing;
damageInfo.TargetState = VictimState.Hit;
damageInfo.originalDamage = damageInfo.damage;
int leveldif = (int)victim.GetLevel() - (int)GetLevel();
if (leveldif > 3)
leveldif = 3;
float reducePercent = 1.0f - leveldif * 0.1f;
damageInfo.cleanDamage += damageInfo.damage - (uint)(reducePercent * damageInfo.damage);
damageInfo.damage = (uint)(reducePercent * damageInfo.damage);
break;
case MeleeHitOutcome.Crushing:
damageInfo.HitInfo |= HitInfo.Crushing;
damageInfo.TargetState = VictimState.Hit;
// 150% normal damage
damageInfo.damage += (damageInfo.damage / 2);
damageInfo.originalDamage = damageInfo.damage;
break;
default:
break;
}
// Always apply HITINFO_AFFECTS_VICTIM in case its not a miss
if (!damageInfo.HitInfo.HasAnyFlag(HitInfo.Miss))
damageInfo.HitInfo |= HitInfo.AffectsVictim;
uint resilienceReduction = damageInfo.damage;
ApplyResilience(victim, ref resilienceReduction);
resilienceReduction = damageInfo.damage - resilienceReduction;
damageInfo.damage -= resilienceReduction;
damageInfo.cleanDamage += resilienceReduction;
// Calculate absorb resist
if (damageInfo.damage > 0)
{
damageInfo.procVictim |= ProcFlags.TakenDamage;
// Calculate absorb & resists
DamageInfo dmgInfo = new(damageInfo);
CalcAbsorbResist(dmgInfo);
damageInfo.absorb = dmgInfo.GetAbsorb();
damageInfo.resist = dmgInfo.GetResist();
if (damageInfo.absorb != 0)
damageInfo.HitInfo |= (damageInfo.damage - damageInfo.absorb == 0 ? HitInfo.FullAbsorb : HitInfo.PartialAbsorb);
if (damageInfo.resist != 0)
damageInfo.HitInfo |= (damageInfo.damage - damageInfo.resist == 0 ? HitInfo.FullResist : HitInfo.PartialResist);
damageInfo.damage = dmgInfo.GetDamage();
}
else // Impossible get negative result but....
damageInfo.damage = 0;
}
MeleeHitOutcome RollMeleeOutcomeAgainst(Unit victim, WeaponAttackType attType)
{
if (victim.IsTypeId(TypeId.Unit) && victim.ToCreature().IsEvadingAttacks())
return MeleeHitOutcome.Evade;
// Miss chance based on melee
int miss_chance = (int)(MeleeSpellMissChance(victim, attType, null) * 100.0f);
// Critical hit chance
int crit_chance = (int)(GetUnitCriticalChance(attType, victim) + GetTotalAuraModifier(AuraType.ModAutoAttackCritChance) * 100.0f);
int dodge_chance = (int)(GetUnitDodgeChance(attType, victim) * 100.0f);
int block_chance = (int)(GetUnitBlockChance(attType, victim) * 100.0f);
int parry_chance = (int)(GetUnitParryChance(attType, victim) * 100.0f);
// melee attack table implementation
// outcome priority:
// 1. > 2. > 3. > 4. > 5. > 6. > 7. > 8.
// MISS > DODGE > PARRY > GLANCING > BLOCK > CRIT > CRUSHING > HIT
int sum = 0;
int roll = RandomHelper.IRand(0, 9999);
uint attackerLevel = GetLevelForTarget(victim);
uint victimLevel = GetLevelForTarget(this);
// check if attack comes from behind, nobody can parry or block if attacker is behind
bool canParryOrBlock = victim.HasInArc((float)Math.PI, this) || victim.HasAuraType(AuraType.IgnoreHitDirection);
// only creatures can dodge if attacker is behind
bool canDodge = !victim.IsTypeId(TypeId.Player) || canParryOrBlock;
// if victim is casting or cc'd it can't avoid attacks
if (victim.IsNonMeleeSpellCast(false) || victim.HasUnitState(UnitState.Controlled))
{
canDodge = false;
canParryOrBlock = false;
}
// 1. MISS
int tmp = miss_chance;
if (tmp > 0 && roll < (sum += tmp))
return MeleeHitOutcome.Miss;
// always crit against a sitting target (except 0 crit chance)
if (victim.IsTypeId(TypeId.Player) && crit_chance > 0 && !victim.IsStandState())
return MeleeHitOutcome.Crit;
// 2. DODGE
if (canDodge)
{
tmp = dodge_chance;
if (tmp > 0 // check if unit _can_ dodge
&& roll < (sum += tmp))
return MeleeHitOutcome.Dodge;
}
// 3. PARRY
if (canParryOrBlock)
{
tmp = parry_chance;
if (tmp > 0 // check if unit _can_ parry
&& roll < (sum += tmp))
return MeleeHitOutcome.Parry;
}
// 4. GLANCING
// Max 40% chance to score a glancing blow against mobs that are higher level (can do only players and pets and not with ranged weapon)
if ((IsTypeId(TypeId.Player) || IsPet()) &&
!victim.IsTypeId(TypeId.Player) && !victim.IsPet() &&
attackerLevel + 3 < victimLevel)
{
// cap possible value (with bonuses > max skill)
tmp = (int)(10 + 10 * (victimLevel - attackerLevel)) * 100;
if (tmp > 0 && roll < (sum += tmp))
return MeleeHitOutcome.Glancing;
}
// 5. BLOCK
if (canParryOrBlock)
{
tmp = block_chance;
if (tmp > 0 // check if unit _can_ block
&& roll < (sum += tmp))
return MeleeHitOutcome.Block;
}
// 6.CRIT
tmp = crit_chance;
if (tmp > 0 && roll < (sum += tmp))
return MeleeHitOutcome.Crit;
// 7. CRUSHING
// mobs can score crushing blows if they're 4 or more levels above victim
if (attackerLevel >= victimLevel + 4 &&
// can be from by creature (if can) or from controlled player that considered as creature
!IsControlledByPlayer() &&
!(GetTypeId() == TypeId.Unit && ToCreature().GetCreatureTemplate().FlagsExtra.HasAnyFlag(CreatureFlagsExtra.NoCrush)))
{
// add 2% chance per level, min. is 15%
tmp = (int)(attackerLevel - victimLevel * 1000 - 1500);
if (roll < (sum += tmp))
{
Log.outDebug(LogFilter.Unit, "RollMeleeOutcomeAgainst: CRUSHING <{0}, {1})", sum - tmp, sum);
return MeleeHitOutcome.Crushing;
}
}
// 8. HIT
return MeleeHitOutcome.Normal;
}
public uint CalculateDamage(WeaponAttackType attType, bool normalized, bool addTotalPct)
{
float minDamage;
float maxDamage;
if (normalized || !addTotalPct)
{
CalculateMinMaxDamage(attType, normalized, addTotalPct, out minDamage, out maxDamage);
if (IsInFeralForm() && attType == WeaponAttackType.BaseAttack)
{
CalculateMinMaxDamage(WeaponAttackType.OffAttack, normalized, addTotalPct, out float minOffhandDamage, out float maxOffhandDamage);
minDamage += minOffhandDamage;
maxDamage += maxOffhandDamage;
}
}
else
{
switch (attType)
{
case WeaponAttackType.RangedAttack:
minDamage = m_unitData.MinRangedDamage;
maxDamage = m_unitData.MaxRangedDamage;
break;
case WeaponAttackType.BaseAttack:
minDamage = m_unitData.MinDamage;
maxDamage = m_unitData.MaxDamage;
if (IsInFeralForm())
{
minDamage += m_unitData.MinOffHandDamage;
maxDamage += m_unitData.MaxOffHandDamage;
}
break;
case WeaponAttackType.OffAttack:
minDamage = m_unitData.MinOffHandDamage;
maxDamage = m_unitData.MaxOffHandDamage;
break;
// Just for good manner
default:
minDamage = 0.0f;
maxDamage = 0.0f;
break;
}
}
minDamage = Math.Max(0.0f, minDamage);
maxDamage = Math.Max(0.0f, maxDamage);
if (minDamage > maxDamage)
{
minDamage += maxDamage;
maxDamage = minDamage - maxDamage;
minDamage -= maxDamage;
}
if (maxDamage == 0.0f)
maxDamage = 5.0f;
return RandomHelper.URand(minDamage, maxDamage);
}
public float GetWeaponDamageRange(WeaponAttackType attType, WeaponDamageRange type)
{
if (attType == WeaponAttackType.OffAttack && !HaveOffhandWeapon())
return 0.0f;
return m_weaponDamage[(int)attType][(int)type];
}
public float GetAPMultiplier(WeaponAttackType attType, bool normalized)
{
if (!IsTypeId(TypeId.Player) || (IsInFeralForm() && !normalized))
return GetBaseAttackTime(attType) / 1000.0f;
Item weapon = ToPlayer().GetWeaponForAttack(attType, true);
if (!weapon)
return 2.0f;
if (!normalized)
return weapon.GetTemplate().GetDelay() / 1000.0f;
switch ((ItemSubClassWeapon)weapon.GetTemplate().GetSubClass())
{
case ItemSubClassWeapon.Axe2:
case ItemSubClassWeapon.Mace2:
case ItemSubClassWeapon.Polearm:
case ItemSubClassWeapon.Sword2:
case ItemSubClassWeapon.Staff:
case ItemSubClassWeapon.FishingPole:
return 3.3f;
case ItemSubClassWeapon.Axe:
case ItemSubClassWeapon.Mace:
case ItemSubClassWeapon.Sword:
case ItemSubClassWeapon.Warglaives:
case ItemSubClassWeapon.Exotic:
case ItemSubClassWeapon.Exotic2:
case ItemSubClassWeapon.Fist:
return 2.4f;
case ItemSubClassWeapon.Dagger:
return 1.7f;
case ItemSubClassWeapon.Thrown:
return 2.0f;
default:
return weapon.GetTemplate().GetDelay() / 1000.0f;
}
}
public float GetTotalAttackPowerValue(WeaponAttackType attType, bool includeWeapon = true)
{
if (attType == WeaponAttackType.RangedAttack)
{
float ap = m_unitData.RangedAttackPower + m_unitData.RangedAttackPowerModPos + m_unitData.RangedAttackPowerModNeg;
if (includeWeapon)
ap += Math.Max(m_unitData.MainHandWeaponAttackPower, m_unitData.RangedWeaponAttackPower);
if (ap < 0)
return 0.0f;
return ap * (1.0f + m_unitData.RangedAttackPowerMultiplier);
}
else
{
float ap = m_unitData.AttackPower + m_unitData.AttackPowerModPos + m_unitData.AttackPowerModNeg;
if (includeWeapon)
{
if (attType == WeaponAttackType.BaseAttack)
ap += Math.Max(m_unitData.MainHandWeaponAttackPower, m_unitData.RangedWeaponAttackPower);
else
{
ap += m_unitData.OffHandWeaponAttackPower;
ap /= 2;
}
}
if (ap < 0)
return 0.0f;
return ap * (1.0f + m_unitData.AttackPowerMultiplier);
}
}
public bool IsWithinMeleeRange(Unit obj)
{
if (!obj || !IsInMap(obj) || !IsInPhase(obj))
return false;
float dx = GetPositionX() - obj.GetPositionX();
float dy = GetPositionY() - obj.GetPositionY();
float dz = GetPositionZMinusOffset() - obj.GetPositionZMinusOffset();
float distsq = (dx * dx) + (dy * dy) + (dz * dz);
float maxdist = GetMeleeRange(obj) + GetTotalAuraModifier(AuraType.ModAutoAttackRange);
return distsq <= maxdist * maxdist;
}
public float GetMeleeRange(Unit target)
{
float range = GetCombatReach() + target.GetCombatReach() + 4.0f / 3.0f;
return Math.Max(range, SharedConst.NominalMeleeRange);
}
public void SetBaseAttackTime(WeaponAttackType att, uint val)
{
m_baseAttackSpeed[(int)att] = val;
UpdateAttackTimeField(att);
}
void UpdateAttackTimeField(WeaponAttackType att)
{
switch (att)
{
case WeaponAttackType.BaseAttack:
case WeaponAttackType.OffAttack:
SetUpdateFieldValue(ref m_values.ModifyValue(m_unitData).ModifyValue(m_unitData.AttackRoundBaseTime, (int)att), (uint)(m_baseAttackSpeed[(int)att] * m_modAttackSpeedPct[(int)att]));
break;
case WeaponAttackType.RangedAttack:
SetUpdateFieldValue(m_values.ModifyValue(m_unitData).ModifyValue(m_unitData.RangedAttackRoundBaseTime), (uint)(m_baseAttackSpeed[(int)att] * m_modAttackSpeedPct[(int)att]));
break;
default:
break; ;
}
}
// function based on function Unit.CanAttack from 13850 client
public bool _IsValidAttackTarget(Unit target, SpellInfo bySpell, WorldObject obj = null)
{
Cypher.Assert(target != null);
// can't attack self
if (this == target)
return false;
// can't attack unattackable units or GMs
if (target.HasUnitState(UnitState.Unattackable)
|| (target.IsTypeId(TypeId.Player) && target.ToPlayer().IsGameMaster()))
return false;
// visibility checks
// skip visibility check for GO casts, needs removal when go cast is implemented. Also ignore for gameobject and dynauras
if (GetEntry() != SharedConst.WorldTrigger && (!obj || !obj.IsTypeMask(TypeMask.GameObject | TypeMask.DynamicObject)))
{
// can't attack invisible
if (bySpell == null || !bySpell.HasAttribute(SpellAttr6.CanTargetInvisible))
{
if (obj && !obj.CanSeeOrDetect(target, bySpell != null && bySpell.IsAffectingArea()))
return false;
else if (!obj)
{
// ignore stealth for aoe spells. Ignore stealth if target is player and unit in combat with same player
bool ignoreStealthCheck = (bySpell != null && bySpell.IsAffectingArea()) ||
(target.GetTypeId() == TypeId.Player && target.HasStealthAura() && IsInCombatWith(target));
if (!CanSeeOrDetect(target, ignoreStealthCheck))
return false;
}
}
}
// can't attack dead
if ((bySpell == null || !bySpell.IsAllowingDeadTarget()) && !target.IsAlive())
return false;
// can't attack untargetable
if ((bySpell == null || !bySpell.HasAttribute(SpellAttr6.CanTargetUntargetable))
&& target.HasUnitFlag(UnitFlags.NotSelectable))
return false;
Player playerAttacker = ToPlayer();
if (playerAttacker != null)
{
if (playerAttacker.HasPlayerFlag(PlayerFlags.Commentator2))
return false;
}
// check flags
if (target.HasUnitFlag(UnitFlags.NonAttackable | UnitFlags.TaxiFlight | UnitFlags.NotAttackable1 | UnitFlags.Unk16)
|| (!HasUnitFlag(UnitFlags.PvpAttackable) && target.HasUnitFlag(UnitFlags.ImmuneToNpc))
|| (!target.HasUnitFlag(UnitFlags.PvpAttackable) && HasUnitFlag(UnitFlags.ImmuneToNpc)))
return false;
if ((bySpell == null || !bySpell.HasAttribute(SpellAttr8.AttackIgnoreImmuneToPCFlag))
&& (HasUnitFlag(UnitFlags.PvpAttackable) && target.HasUnitFlag(UnitFlags.ImmuneToPc))
// check if this is a world trigger cast - GOs are using world triggers to cast their spells, so we need to ignore their immunity flag here, this is a temp workaround, needs removal when go cast is implemented properly
&& GetEntry() != SharedConst.WorldTrigger)
return false;
// CvC case - can attack each other only when one of them is hostile
if (!HasUnitFlag(UnitFlags.PvpAttackable) && !target.HasUnitFlag(UnitFlags.PvpAttackable))
return GetReactionTo(target) <= ReputationRank.Hostile || target.GetReactionTo(this) <= ReputationRank.Hostile;
// PvP, PvC, CvP case
// can't attack friendly targets
if (GetReactionTo(target) > ReputationRank.Neutral || target.GetReactionTo(this) > ReputationRank.Neutral)
return false;
Player playerAffectingAttacker = HasUnitFlag(UnitFlags.PvpAttackable) ? GetAffectingPlayer() : null;
Player playerAffectingTarget = target.HasUnitFlag(UnitFlags.PvpAttackable) ? target.GetAffectingPlayer() : null;
// Not all neutral creatures can be attacked (even some unfriendly faction does not react aggresive to you, like Sporaggar)
if ((playerAffectingAttacker && !playerAffectingTarget) || (!playerAffectingAttacker && playerAffectingTarget))
{
if (!(target.IsTypeId(TypeId.Player) && IsTypeId(TypeId.Player)) &&
!(target.IsTypeId(TypeId.Unit) && IsTypeId(TypeId.Unit)))
{
Player player = playerAffectingAttacker ? playerAffectingAttacker : playerAffectingTarget;
Unit creature = playerAffectingAttacker ? target : this;
if (creature.IsContestedGuard() && player.HasPlayerFlag(PlayerFlags.ContestedPVP))
return true;
var factionTemplate = creature.GetFactionTemplateEntry();
if (factionTemplate != null)
{
if (player.GetReputationMgr().GetForcedRankIfAny(factionTemplate) == ReputationRank.None)
{
var factionEntry = CliDB.FactionStorage.LookupByKey(factionTemplate.Faction);
if (factionEntry != null)
{
var repState = player.GetReputationMgr().GetState(factionEntry);
if (repState != null)
if (!repState.Flags.HasFlag(ReputationFlags.AtWar))
return false;
}
}
}
}
}
Creature creatureAttacker = ToCreature();
if (creatureAttacker != null && Convert.ToBoolean(creatureAttacker.GetCreatureTemplate().TypeFlags & CreatureTypeFlags.TreatAsRaidUnit))
return false;
// check duel - before sanctuary checks
if (playerAffectingAttacker != null && playerAffectingTarget != null)
if (playerAffectingAttacker.duel != null && playerAffectingAttacker.duel.opponent == playerAffectingTarget && playerAffectingAttacker.duel.startTime != 0)
return true;
// PvP case - can't attack when attacker or target are in sanctuary
// however, 13850 client doesn't allow to attack when one of the unit's has sanctuary flag and is pvp
if (target.HasUnitFlag(UnitFlags.PvpAttackable) && HasUnitFlag(UnitFlags.PvpAttackable) && (target.IsInSanctuary() || IsInSanctuary()))
return false;
// additional checks - only PvP case
if (playerAffectingAttacker != null && playerAffectingTarget != null)
{
if (target.IsPvP())
return true;
if (IsFFAPvP() && target.IsFFAPvP())
return true;
return HasPvpFlag(UnitPVPStateFlags.Unk1) || target.HasPvpFlag(UnitPVPStateFlags.Unk1);
}
return true;
}
public bool IsValidAssistTarget(Unit target)
{
return _IsValidAssistTarget(target, null);
}
// function based on function Unit.CanAssist from 13850 client
public bool _IsValidAssistTarget(Unit target, SpellInfo bySpell)
{
Cypher.Assert(target != null);
// can assist to self
if (this == target)
return true;
// can't assist unattackable units or GMs
if (target.HasUnitState(UnitState.Unattackable)
|| (target.IsTypeId(TypeId.Player) && target.ToPlayer().IsGameMaster()))
return false;
// can't assist own vehicle or passenger
if (m_vehicle != null)
if (IsOnVehicle(target) || m_vehicle.GetBase().IsOnVehicle(target))
return false;
// can't assist invisible
if ((bySpell == null || !bySpell.HasAttribute(SpellAttr6.CanTargetInvisible)) && !CanSeeOrDetect(target, bySpell != null && bySpell.IsAffectingArea()))
return false;
// can't assist dead
if ((bySpell == null || !bySpell.IsAllowingDeadTarget()) && !target.IsAlive())
return false;
// can't assist untargetable
if ((bySpell == null || !bySpell.HasAttribute(SpellAttr6.CanTargetUntargetable))
&& target.HasUnitFlag(UnitFlags.NotSelectable))
return false;
if (bySpell == null || !bySpell.HasAttribute(SpellAttr6.AssistIgnoreImmuneFlag))
{
if (HasUnitFlag(UnitFlags.PvpAttackable))
{
if (target.HasUnitFlag(UnitFlags.ImmuneToPc))
return false;
}
else
{
if (target.HasUnitFlag(UnitFlags.ImmuneToNpc))
return false;
}
}
// can't assist non-friendly targets
if (GetReactionTo(target) <= ReputationRank.Neutral
&& target.GetReactionTo(this) <= ReputationRank.Neutral
&& (!IsTypeId(TypeId.Unit) || !Convert.ToBoolean(ToCreature().GetCreatureTemplate().TypeFlags & CreatureTypeFlags.TreatAsRaidUnit)))
return false;
// Controlled player case, we can assist creatures (reaction already checked above, our faction == charmer faction)
if (IsTypeId(TypeId.Player) && IsCharmed() && GetCharmerGUID().IsCreature())
return true;
// PvP case
else if (target.HasUnitFlag(UnitFlags.PvpAttackable))
{
Player targetPlayerOwner = target.GetAffectingPlayer();
if (HasUnitFlag(UnitFlags.PvpAttackable))
{
Player selfPlayerOwner = GetAffectingPlayer();
if (selfPlayerOwner != null && targetPlayerOwner != null)
{
// can't assist player which is dueling someone
if (selfPlayerOwner != targetPlayerOwner && targetPlayerOwner.duel != null)
return false;
}
// can't assist player in ffa_pvp zone from outside
if (target.HasPvpFlag(UnitPVPStateFlags.FFAPvp) && !HasPvpFlag(UnitPVPStateFlags.FFAPvp))
return false;
// can't assist player out of sanctuary from sanctuary if has pvp enabled
if (target.HasPvpFlag(UnitPVPStateFlags.PvP))
if (IsInSanctuary() && !target.IsInSanctuary())
return false;
}
}
// PvC case - player can assist creature only if has specific type flags
else if (HasUnitFlag(UnitFlags.PvpAttackable)
&& (bySpell == null || !bySpell.HasAttribute(SpellAttr6.AssistIgnoreImmuneFlag))
&& !target.HasPvpFlag(UnitPVPStateFlags.PvP))
{
Creature creatureTarget = target.ToCreature();
if (creatureTarget != null)
return Convert.ToBoolean(creatureTarget.GetCreatureTemplate().TypeFlags & CreatureTypeFlags.TreatAsRaidUnit)
|| Convert.ToBoolean(creatureTarget.GetCreatureTemplate().TypeFlags & CreatureTypeFlags.CanAssist);
}
return true;
}
public virtual bool CheckAttackFitToAuraRequirement(WeaponAttackType attackType, AuraEffect aurEff) { return true; }
public void ApplyAttackTimePercentMod(WeaponAttackType att, float val, bool apply)
{
float remainingTimePct = m_attackTimer[(int)att] / (m_baseAttackSpeed[(int)att] * m_modAttackSpeedPct[(int)att]);
if (val > 0.0f)
{
MathFunctions.ApplyPercentModFloatVar(ref m_modAttackSpeedPct[(int)att], val, !apply);
if (att == WeaponAttackType.BaseAttack)
ApplyPercentModUpdateFieldValue(m_values.ModifyValue(m_unitData).ModifyValue(m_unitData.ModHaste), val, !apply);
else if (att == WeaponAttackType.RangedAttack)
ApplyPercentModUpdateFieldValue(m_values.ModifyValue(m_unitData).ModifyValue(m_unitData.ModRangedHaste), val, !apply);
}
else
{
MathFunctions.ApplyPercentModFloatVar(ref m_modAttackSpeedPct[(int)att], -val, apply);
if (att == WeaponAttackType.BaseAttack)
ApplyPercentModUpdateFieldValue(m_values.ModifyValue(m_unitData).ModifyValue(m_unitData.ModHaste), -val, apply);
else if (att == WeaponAttackType.RangedAttack)
ApplyPercentModUpdateFieldValue(m_values.ModifyValue(m_unitData).ModifyValue(m_unitData.ModRangedHaste), -val, apply);
}
UpdateAttackTimeField(att);
m_attackTimer[(int)att] = (uint)(m_baseAttackSpeed[(int)att] * m_modAttackSpeedPct[(int)att] * remainingTimePct);
}
}
}