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CypherCore/Source/Game/Spells/Spell.cs
T
hondacrx caca2dcb7e don't save auras casted by items
2017-11-22 12:34:00 -05:00

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/*
* Copyright (C) 2012-2017 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 Framework.Dynamic;
using Game.BattleFields;
using Game.BattleGrounds;
using Game.Conditions;
using Game.DataStorage;
using Game.Entities;
using Game.Loots;
using Game.Maps;
using Game.Movement;
using Game.Network.Packets;
using Game.Scripting;
using System;
using System.Collections.Generic;
using System.Diagnostics.Contracts;
using System.Linq;
using System.Runtime.InteropServices;
using Game.AI;
namespace Game.Spells
{
public partial class Spell : IDisposable
{
public Spell(Unit caster, SpellInfo info, TriggerCastFlags triggerFlags, ObjectGuid originalCasterGUID = default(ObjectGuid), bool skipcheck = false)
{
m_spellInfo = info;
m_caster = (info.HasAttribute(SpellAttr6.CastByCharmer) && caster.GetCharmerOrOwner() != null ? caster.GetCharmerOrOwner() : caster);
m_spellValue = new SpellValue(caster.GetMap().GetDifficultyID(), m_spellInfo);
m_preGeneratedPath = new PathGenerator(m_caster);
m_castItemLevel = -1;
_effects = info.GetEffectsForDifficulty(caster.GetMap().GetDifficultyID());
m_castId = ObjectGuid.Create(HighGuid.Cast, SpellCastSource.Normal, m_caster.GetMapId(), m_spellInfo.Id, m_caster.GetMap().GenerateLowGuid(HighGuid.Cast));
m_SpellVisual = caster.GetCastSpellXSpellVisualId(m_spellInfo);
m_customError = SpellCustomErrors.None;
m_skipCheck = skipcheck;
m_fromClient = false;
m_needComboPoints = m_spellInfo.NeedsComboPoints();
// Get data for type of attack
switch (m_spellInfo.DmgClass)
{
case SpellDmgClass.Melee:
if (m_spellInfo.HasAttribute(SpellAttr3.ReqOffhand))
m_attackType = WeaponAttackType.OffAttack;
else
m_attackType = WeaponAttackType.BaseAttack;
break;
case SpellDmgClass.Ranged:
m_attackType = m_spellInfo.IsRangedWeaponSpell() ? WeaponAttackType.RangedAttack : WeaponAttackType.BaseAttack;
break;
default:
// Wands
if (m_spellInfo.HasAttribute(SpellAttr2.AutorepeatFlag))
m_attackType = WeaponAttackType.RangedAttack;
else
m_attackType = WeaponAttackType.BaseAttack;
break;
}
m_spellSchoolMask = m_spellInfo.GetSchoolMask(); // Can be override for some spell (wand shoot for example)
if (m_attackType == WeaponAttackType.RangedAttack)
{
if ((m_caster.getClassMask() & (uint)Class.ClassMaskWandUsers) != 0 && m_caster.IsTypeId(TypeId.Player))
{
Item pItem = m_caster.ToPlayer().GetWeaponForAttack(WeaponAttackType.RangedAttack);
if (pItem != null)
m_spellSchoolMask = (SpellSchoolMask)(1 << (int)pItem.GetTemplate().GetDamageType());
}
}
if (!originalCasterGUID.IsEmpty())
m_originalCasterGUID = originalCasterGUID;
else
m_originalCasterGUID = m_caster.GetGUID();
if (m_originalCasterGUID == m_caster.GetGUID())
m_originalCaster = m_caster;
else
{
m_originalCaster = Global.ObjAccessor.GetUnit(m_caster, m_originalCasterGUID);
if (m_originalCaster != null && !m_originalCaster.IsInWorld)
m_originalCaster = null;
}
m_spellState = SpellState.None;
_triggeredCastFlags = triggerFlags;
if (m_spellInfo.HasAttribute(SpellAttr4.CanCastWhileCasting))
_triggeredCastFlags = _triggeredCastFlags | TriggerCastFlags.IgnoreCastInProgress | TriggerCastFlags.CastDirectly;
effectHandleMode = SpellEffectHandleMode.Launch;
//Auto Shot & Shoot (wand)
m_autoRepeat = m_spellInfo.IsAutoRepeatRangedSpell();
// Determine if spell can be reflected back to the caster
// Patch 1.2 notes: Spell Reflection no longer reflects abilities
m_canReflect = m_spellInfo.DmgClass == SpellDmgClass.Magic && !m_spellInfo.HasAttribute(SpellAttr0.Ability)
&& !m_spellInfo.HasAttribute(SpellAttr1.CantBeReflected) && !m_spellInfo.HasAttribute(SpellAttr0.UnaffectedByInvulnerability)
&& !m_spellInfo.IsPassive() && !m_spellInfo.IsPositive();
CleanupTargetList();
for (var i = 0; i < SpellConst.MaxEffects; ++i)
m_destTargets[i] = new SpellDestination(m_caster);
//not sure needed.
m_targets = new SpellCastTargets();
m_appliedMods = new List<Aura>();
}
public virtual void Dispose()
{
// unload scripts
foreach (var script in m_loadedScripts.ToList())
script._Unload();
if (m_referencedFromCurrentSpell && m_selfContainer && m_selfContainer == this)
{
// Clean the reference to avoid later crash.
// If this error is repeating, we may have to add an ASSERT to better track down how we get into this case.
Log.outError(LogFilter.Spells, "SPELL: deleting spell for spell ID {0}. However, spell still referenced.", m_spellInfo.Id);
m_selfContainer = null;
}
if (m_caster && m_caster.GetTypeId() == TypeId.Player)
Contract.Assert(m_caster.ToPlayer().m_spellModTakingSpell != this);
}
void InitExplicitTargets(SpellCastTargets targets)
{
m_targets = targets;
m_targets.SetOrigUnitTarget(m_targets.GetUnitTarget());
// this function tries to correct spell explicit targets for spell
// client doesn't send explicit targets correctly sometimes - we need to fix such spells serverside
// this also makes sure that we correctly send explicit targets to client (removes redundant data)
SpellCastTargetFlags neededTargets = m_spellInfo.GetExplicitTargetMask();
WorldObject target = m_targets.GetObjectTarget();
if (target != null)
{
// check if object target is valid with needed target flags
// for unit case allow corpse target mask because player with not released corpse is a unit target
if ((target.ToUnit() && !Convert.ToBoolean(neededTargets & (SpellCastTargetFlags.UnitMask | SpellCastTargetFlags.CorpseMask)))
|| (target.IsTypeId(TypeId.GameObject) && !Convert.ToBoolean(neededTargets & SpellCastTargetFlags.GameobjectMask))
|| (target.IsTypeId(TypeId.Corpse) && !Convert.ToBoolean(neededTargets & SpellCastTargetFlags.CorpseMask)))
m_targets.RemoveObjectTarget();
}
else
{
// try to select correct unit target if not provided by client or by serverside cast
if (Convert.ToBoolean(neededTargets & SpellCastTargetFlags.UnitMask))
{
Unit unit = null;
// try to use player selection as a target
Player playerCaster = m_caster.ToPlayer();
if (playerCaster != null)
{
// selection has to be found and to be valid target for the spell
Unit selectedUnit = Global.ObjAccessor.GetUnit(m_caster, playerCaster.GetTarget());
if (selectedUnit != null)
if (m_spellInfo.CheckExplicitTarget(m_caster, selectedUnit) == SpellCastResult.SpellCastOk)
unit = selectedUnit;
}
// try to use attacked unit as a target
else if ((m_caster.IsTypeId(TypeId.Unit)) && Convert.ToBoolean(neededTargets & (SpellCastTargetFlags.UnitEnemy | SpellCastTargetFlags.Unit)))
unit = m_caster.GetVictim();
// didn't find anything - let's use self as target
if (unit == null && Convert.ToBoolean(neededTargets & (SpellCastTargetFlags.UnitRaid | SpellCastTargetFlags.UnitParty | SpellCastTargetFlags.UnitAlly)))
unit = m_caster;
m_targets.SetUnitTarget(unit);
}
}
// check if spell needs dst target
if (Convert.ToBoolean(neededTargets & SpellCastTargetFlags.DestLocation))
{
// and target isn't set
if (!m_targets.HasDst())
{
// try to use unit target if provided
WorldObject targett = targets.GetObjectTarget();
if (targett != null)
m_targets.SetDst(targett);
// or use self if not available
else
m_targets.SetDst(m_caster);
}
}
else
m_targets.RemoveDst();
if (Convert.ToBoolean(neededTargets & SpellCastTargetFlags.SourceLocation))
{
if (!targets.HasSrc())
m_targets.SetSrc(m_caster);
}
else
m_targets.RemoveSrc();
}
void SelectExplicitTargets()
{
// here go all explicit target changes made to explicit targets after spell prepare phase is finished
Unit target = m_targets.GetUnitTarget();
if (target != null)
{
// check for explicit target redirection, for Grounding Totem for example
if (m_spellInfo.GetExplicitTargetMask().HasAnyFlag(SpellCastTargetFlags.UnitEnemy)
|| (m_spellInfo.GetExplicitTargetMask().HasAnyFlag(SpellCastTargetFlags.Unit) && !m_caster.IsFriendlyTo(target)))
{
Unit redirect;
switch (m_spellInfo.DmgClass)
{
case SpellDmgClass.Magic:
redirect = m_caster.GetMagicHitRedirectTarget(target, m_spellInfo);
break;
case SpellDmgClass.Melee:
case SpellDmgClass.Ranged:
redirect = m_caster.GetMeleeHitRedirectTarget(target, m_spellInfo);
break;
default:
redirect = null;
break;
}
if (redirect != null && (redirect != target))
m_targets.SetUnitTarget(redirect);
}
}
}
public void SelectSpellTargets()
{
// select targets for cast phase
SelectExplicitTargets();
uint processedAreaEffectsMask = 0;
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect == null)
continue;
// not call for empty effect.
// Also some spells use not used effect targets for store targets for dummy effect in triggered spells
if (!effect.IsEffect())
continue;
// set expected type of implicit targets to be sent to client
SpellCastTargetFlags implicitTargetMask = SpellInfo.GetTargetFlagMask(effect.TargetA.GetObjectType()) | SpellInfo.GetTargetFlagMask(effect.TargetB.GetObjectType());
if (Convert.ToBoolean(implicitTargetMask & SpellCastTargetFlags.Unit))
m_targets.SetTargetFlag(SpellCastTargetFlags.Unit);
if (Convert.ToBoolean(implicitTargetMask & (SpellCastTargetFlags.Gameobject | SpellCastTargetFlags.GameobjectItem)))
m_targets.SetTargetFlag(SpellCastTargetFlags.Gameobject);
SelectEffectImplicitTargets(effect.EffectIndex, effect.TargetA, processedAreaEffectsMask);
SelectEffectImplicitTargets(effect.EffectIndex, effect.TargetB, processedAreaEffectsMask);
// Select targets of effect based on effect type
// those are used when no valid target could be added for spell effect based on spell target type
// some spell effects use explicit target as a default target added to target map (like SPELL_EFFECT_LEARN_SPELL)
// some spell effects add target to target map only when target type specified (like SPELL_EFFECT_WEAPON)
// some spell effects don't add anything to target map (confirmed with sniffs) (like SPELL_EFFECT_DESTROY_ALL_TOTEMS)
SelectEffectTypeImplicitTargets(effect.EffectIndex);
if (m_targets.HasDst())
AddDestTarget(m_targets.GetDst(), effect.EffectIndex);
if (m_spellInfo.IsChanneled())
{
uint mask = (1u << (int)effect.EffectIndex);
foreach (var ihit in m_UniqueTargetInfo)
{
if (Convert.ToBoolean(ihit.effectMask & mask))
{
m_channelTargetEffectMask |= mask;
break;
}
}
}
else if (m_auraScaleMask != 0)
{
bool checkLvl = !m_UniqueTargetInfo.Empty();
foreach (var ihit in m_UniqueTargetInfo)
{
// remove targets which did not pass min level check
if (m_auraScaleMask != 0 && ihit.effectMask == m_auraScaleMask)
{
// Do not check for selfcast
if (!ihit.scaleAura && ihit.targetGUID != m_caster.GetGUID())
{
m_UniqueTargetInfo.Remove(ihit);
continue;
}
}
}
if (checkLvl && m_UniqueTargetInfo.Empty())
{
SendCastResult(SpellCastResult.Lowlevel);
finish(false);
}
}
}
if (m_targets.HasDst())
{
if (m_targets.HasTraj())
{
float speed = m_targets.GetSpeedXY();
if (speed > 0.0f)
m_delayMoment = (ulong)Math.Floor(m_targets.GetDist2d() / speed * 1000.0f);
}
else if (m_spellInfo.Speed > 0.0f)
{
float dist = m_caster.GetDistance(m_targets.GetDstPos());
if (!m_spellInfo.HasAttribute(SpellAttr9.SpecialDelayCalculation))
m_delayMoment = (ulong)Math.Floor(dist / m_spellInfo.Speed * 1000.0f);
else
m_delayMoment = (ulong)(m_spellInfo.Speed * 1000.0f);
}
}
}
void SelectEffectImplicitTargets(uint effIndex, SpellImplicitTargetInfo targetType, uint processedEffectMask)
{
if (targetType.GetTarget() == 0)
return;
uint effectMask = (uint)(1 << (int)effIndex);
// set the same target list for all effects
// some spells appear to need this, however this requires more research
switch (targetType.GetSelectionCategory())
{
case SpellTargetSelectionCategories.Nearby:
case SpellTargetSelectionCategories.Cone:
case SpellTargetSelectionCategories.Area:
// targets for effect already selected
if (Convert.ToBoolean(effectMask & processedEffectMask))
return;
SpellEffectInfo _effect = GetEffect(effIndex);
if (_effect != null)
{
// choose which targets we can select at once
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect == null || effect.EffectIndex <= effIndex)
continue;
if (effect.IsEffect() &&
_effect.TargetA.GetTarget() == effect.TargetA.GetTarget() &&
_effect.TargetB.GetTarget() == effect.TargetB.GetTarget() &&
_effect.ImplicitTargetConditions == effect.ImplicitTargetConditions &&
_effect.CalcRadius(m_caster) == effect.CalcRadius(m_caster) &&
CheckScriptEffectImplicitTargets(effIndex, effect.EffectIndex))
{
effectMask |= (uint)(1 << (int)effect.EffectIndex);
}
}
}
processedEffectMask |= effectMask;
break;
default:
break;
}
switch (targetType.GetSelectionCategory())
{
case SpellTargetSelectionCategories.Channel:
SelectImplicitChannelTargets(effIndex, targetType);
break;
case SpellTargetSelectionCategories.Nearby:
SelectImplicitNearbyTargets(effIndex, targetType, effectMask);
break;
case SpellTargetSelectionCategories.Cone:
SelectImplicitConeTargets(effIndex, targetType, effectMask);
break;
case SpellTargetSelectionCategories.Area:
SelectImplicitAreaTargets(effIndex, targetType, effectMask);
break;
case SpellTargetSelectionCategories.Default:
switch (targetType.GetObjectType())
{
case SpellTargetObjectTypes.Src:
switch (targetType.GetReferenceType())
{
case SpellTargetReferenceTypes.Caster:
m_targets.SetSrc(m_caster);
break;
default:
Contract.Assert(false, "Spell.SelectEffectImplicitTargets: received not implemented select target reference type for TARGET_TYPE_OBJECT_SRC");
break;
}
break;
case SpellTargetObjectTypes.Dest:
switch (targetType.GetReferenceType())
{
case SpellTargetReferenceTypes.Caster:
SelectImplicitCasterDestTargets(effIndex, targetType);
break;
case SpellTargetReferenceTypes.Target:
SelectImplicitTargetDestTargets(effIndex, targetType);
break;
case SpellTargetReferenceTypes.Dest:
SelectImplicitDestDestTargets(effIndex, targetType);
break;
default:
Contract.Assert(false, "Spell.SelectEffectImplicitTargets: received not implemented select target reference type for TARGET_TYPE_OBJECT_DEST");
break;
}
break;
default:
switch (targetType.GetReferenceType())
{
case SpellTargetReferenceTypes.Caster:
SelectImplicitCasterObjectTargets(effIndex, targetType);
break;
case SpellTargetReferenceTypes.Target:
SelectImplicitTargetObjectTargets(effIndex, targetType);
break;
default:
Contract.Assert(false, "Spell.SelectEffectImplicitTargets: received not implemented select target reference type for TARGET_TYPE_OBJECT");
break;
}
break;
}
break;
case SpellTargetSelectionCategories.Nyi:
Log.outDebug(LogFilter.Spells, "SPELL: target type {0}, found in spellID {1}, effect {2} is not implemented yet!", m_spellInfo.Id, effIndex, targetType.GetTarget());
break;
default:
Contract.Assert(false, "Spell.SelectEffectImplicitTargets: received not implemented select target category");
break;
}
}
void SelectImplicitChannelTargets(uint effIndex, SpellImplicitTargetInfo targetType)
{
if (targetType.GetReferenceType() != SpellTargetReferenceTypes.Caster)
{
Contract.Assert(false, "Spell.SelectImplicitChannelTargets: received not implemented target reference type");
return;
}
Spell channeledSpell = m_originalCaster.GetCurrentSpell(CurrentSpellTypes.Channeled);
if (channeledSpell == null)
{
Log.outDebug(LogFilter.Spells, "Spell.SelectImplicitChannelTargets: cannot find channel spell for spell ID {0}, effect {1}", m_spellInfo.Id, effIndex);
return;
}
switch (targetType.GetTarget())
{
case Targets.UnitChannelTarget:
{
foreach (ObjectGuid channelTarget in m_originalCaster.GetChannelObjects())
{
WorldObject target = Global.ObjAccessor.GetUnit(m_caster, channelTarget);
CallScriptObjectTargetSelectHandlers(ref target, effIndex, targetType);
// unit target may be no longer avalible - teleported out of map for example
Unit unitTarget = target ? target.ToUnit() : null;
if (unitTarget)
AddUnitTarget(unitTarget, 1u << (int)effIndex);
else
Log.outDebug(LogFilter.Spells, "SPELL: cannot find channel spell target for spell ID {0}, effect {1}", m_spellInfo.Id, effIndex);
}
break;
}
case Targets.DestChannelTarget:
{
if (channeledSpell.m_targets.HasDst())
m_targets.SetDst(channeledSpell.m_targets);
else
{
var channelObjects = m_originalCaster.GetChannelObjects();
WorldObject target = channelObjects.Count > 0 ? Global.ObjAccessor.GetWorldObject(m_caster, channelObjects[0]) : null;
if (target != null)
{
CallScriptObjectTargetSelectHandlers(ref target, effIndex, targetType);
if (target)
{
SpellDestination dest = new SpellDestination(target);
CallScriptDestinationTargetSelectHandlers(ref dest, effIndex, targetType);
m_targets.SetDst(dest);
}
}
else
Log.outDebug(LogFilter.Spells, "SPELL: cannot find channel spell destination for spell ID {0}, effect {1}", m_spellInfo.Id, effIndex);
}
break;
}
case Targets.DestChannelCaster:
{
SpellDestination dest = new SpellDestination(channeledSpell.GetCaster());
CallScriptDestinationTargetSelectHandlers(ref dest, effIndex, targetType);
m_targets.SetDst(dest);
break;
}
default:
Contract.Assert(false, "Spell.SelectImplicitChannelTargets: received not implemented target type");
break;
}
}
void SelectImplicitNearbyTargets(uint effIndex, SpellImplicitTargetInfo targetType, uint effMask)
{
if (targetType.GetReferenceType() != SpellTargetReferenceTypes.Caster)
{
Contract.Assert(false, "Spell.SelectImplicitNearbyTargets: received not implemented target reference type");
return;
}
SpellEffectInfo effect = GetEffect(effIndex);
if (effect == null)
return;
float range = 0.0f;
switch (targetType.GetCheckType())
{
case SpellTargetCheckTypes.Enemy:
range = m_spellInfo.GetMaxRange(false, m_caster, this);
break;
case SpellTargetCheckTypes.Ally:
case SpellTargetCheckTypes.Party:
case SpellTargetCheckTypes.Raid:
case SpellTargetCheckTypes.RaidClass:
range = m_spellInfo.GetMaxRange(true, m_caster, this);
break;
case SpellTargetCheckTypes.Entry:
case SpellTargetCheckTypes.Default:
range = m_spellInfo.GetMaxRange(m_spellInfo.IsPositive(), m_caster, this);
break;
default:
Contract.Assert(false, "Spell.SelectImplicitNearbyTargets: received not implemented selection check type");
break;
}
List<Condition> condList = effect.ImplicitTargetConditions;
// handle emergency case - try to use other provided targets if no conditions provided
if (targetType.GetCheckType() == SpellTargetCheckTypes.Entry && (condList == null || condList.Empty()))
{
Log.outDebug(LogFilter.Spells, "Spell.SelectImplicitNearbyTargets: no conditions entry for target with TARGET_CHECK_ENTRY of spell ID {0}, effect {1} - selecting default targets", m_spellInfo.Id, effIndex);
switch (targetType.GetObjectType())
{
case SpellTargetObjectTypes.Gobj:
if (m_spellInfo.RequiresSpellFocus != 0)
{
if (focusObject != null)
AddGOTarget(focusObject, effMask);
return;
}
break;
case SpellTargetObjectTypes.Dest:
if (m_spellInfo.RequiresSpellFocus != 0)
{
if (focusObject != null)
{
SpellDestination dest = new SpellDestination(focusObject);
CallScriptDestinationTargetSelectHandlers(ref dest, effIndex, targetType);
m_targets.SetDst(dest);
}
return;
}
break;
default:
break;
}
}
WorldObject target = SearchNearbyTarget(range, targetType.GetObjectType(), targetType.GetCheckType(), condList);
if (target == null)
{
Log.outDebug(LogFilter.Spells, "Spell.SelectImplicitNearbyTargets: cannot find nearby target for spell ID {0}, effect {1}", m_spellInfo.Id, effIndex);
return;
}
CallScriptObjectTargetSelectHandlers(ref target, effIndex, targetType);
switch (targetType.GetObjectType())
{
case SpellTargetObjectTypes.Unit:
Unit unitTarget = target.ToUnit();
if (unitTarget != null)
AddUnitTarget(unitTarget, effMask, true, false);
break;
case SpellTargetObjectTypes.Gobj:
GameObject gobjTarget = target.ToGameObject();
if (gobjTarget != null)
AddGOTarget(gobjTarget, effMask);
break;
case SpellTargetObjectTypes.Dest:
SpellDestination dest = new SpellDestination(target);
CallScriptDestinationTargetSelectHandlers(ref dest, effIndex, targetType);
m_targets.SetDst(dest);
break;
default:
Contract.Assert(false, "Spell.SelectImplicitNearbyTargets: received not implemented target object type");
break;
}
SelectImplicitChainTargets(effIndex, targetType, target, effMask);
}
void SelectImplicitConeTargets(uint effIndex, SpellImplicitTargetInfo targetType, uint effMask)
{
if (targetType.GetReferenceType() != SpellTargetReferenceTypes.Caster)
{
Contract.Assert(false, "Spell.SelectImplicitConeTargets: received not implemented target reference type");
return;
}
List<WorldObject> targets = new List<WorldObject>();
SpellTargetObjectTypes objectType = targetType.GetObjectType();
SpellTargetCheckTypes selectionType = targetType.GetCheckType();
SpellEffectInfo effect = GetEffect(effIndex);
if (effect == null)
return;
var condList = effect.ImplicitTargetConditions;
float radius = effect.CalcRadius(m_caster) * m_spellValue.RadiusMod;
GridMapTypeMask containerTypeMask = GetSearcherTypeMask(objectType, condList);
if (containerTypeMask != 0)
{
var spellCone = new WorldObjectSpellConeTargetCheck(MathFunctions.DegToRad(m_spellInfo.ConeAngle), radius, m_caster, m_spellInfo, selectionType, condList);
var searcher = new WorldObjectListSearcher(m_caster, targets, spellCone, containerTypeMask);
SearchTargets(searcher, containerTypeMask, m_caster, m_caster.GetPosition(), radius);
CallScriptObjectAreaTargetSelectHandlers(targets, effIndex, targetType);
if (!targets.Empty())
{
// Other special target selection goes here
uint maxTargets = m_spellValue.MaxAffectedTargets;
if (maxTargets != 0)
targets.RandomResize(maxTargets);
foreach (var obj in targets)
{
Unit unitTarget = obj.ToUnit();
GameObject gObjTarget = obj.ToGameObject();
if (unitTarget)
AddUnitTarget(unitTarget, effMask, false);
else if (gObjTarget)
AddGOTarget(gObjTarget, effMask);
}
}
}
}
void SelectImplicitAreaTargets(uint effIndex, SpellImplicitTargetInfo targetType, uint effMask)
{
Unit referer = null;
switch (targetType.GetReferenceType())
{
case SpellTargetReferenceTypes.Src:
case SpellTargetReferenceTypes.Dest:
case SpellTargetReferenceTypes.Caster:
referer = m_caster;
break;
case SpellTargetReferenceTypes.Target:
referer = m_targets.GetUnitTarget();
break;
case SpellTargetReferenceTypes.Last:
{
// find last added target for this effect
foreach (var target in m_UniqueTargetInfo)
{
if (Convert.ToBoolean(target.effectMask & (1 << (int)effIndex)))
{
referer = Global.ObjAccessor.GetUnit(m_caster, target.targetGUID);
break;
}
}
break;
}
default:
Contract.Assert(false, "Spell.SelectImplicitAreaTargets: received not implemented target reference type");
return;
}
if (referer == null)
return;
Position center = null;
switch (targetType.GetReferenceType())
{
case SpellTargetReferenceTypes.Src:
center = m_targets.GetSrcPos();
break;
case SpellTargetReferenceTypes.Dest:
center = m_targets.GetDstPos();
break;
case SpellTargetReferenceTypes.Caster:
case SpellTargetReferenceTypes.Target:
case SpellTargetReferenceTypes.Last:
center = referer.GetPosition();
break;
default:
Contract.Assert(false, "Spell.SelectImplicitAreaTargets: received not implemented target reference type");
return;
}
List<WorldObject> targets = new List<WorldObject>();
SpellEffectInfo effect = GetEffect(effIndex);
if (effect == null)
return;
float radius = effect.CalcRadius(m_caster) * m_spellValue.RadiusMod;
SearchAreaTargets(targets, radius, center, referer, targetType.GetObjectType(), targetType.GetCheckType(), effect.ImplicitTargetConditions);
CallScriptObjectAreaTargetSelectHandlers(targets, effIndex, targetType);
if (!targets.Empty())
{
// Other special target selection goes here
uint maxTargets = m_spellValue.MaxAffectedTargets;
if (maxTargets != 0)
targets.RandomResize(maxTargets);
foreach (var obj in targets)
{
Unit unitTarget = obj.ToUnit();
GameObject gObjTarget = obj.ToGameObject();
if (unitTarget)
AddUnitTarget(unitTarget, effMask, false, true, center);
else if (gObjTarget)
AddGOTarget(gObjTarget, effMask);
}
}
}
void SelectImplicitCasterDestTargets(uint effIndex, SpellImplicitTargetInfo targetType)
{
SpellDestination dest = new SpellDestination(m_caster);
switch (targetType.GetTarget())
{
case Targets.DestCaster:
break;
case Targets.DestHome:
Player playerCaster = m_caster.ToPlayer();
if (playerCaster != null)
dest = new SpellDestination(playerCaster.GetHomebind().posX, playerCaster.GetHomebind().posY, playerCaster.GetHomebind().posZ, playerCaster.GetOrientation(), playerCaster.GetHomebind().GetMapId());
break;
case Targets.DestDb:
SpellTargetPosition st = Global.SpellMgr.GetSpellTargetPosition(m_spellInfo.Id, effIndex);
if (st != null)
{
/// @todo fix this check
if (m_spellInfo.HasEffect(SpellEffectName.TeleportUnits) || m_spellInfo.HasEffect(SpellEffectName.Bind))
dest = new SpellDestination(st.target_X, st.target_Y, st.target_Z, st.target_Orientation, st.target_mapId);
else if (st.target_mapId == m_caster.GetMapId())
dest = new SpellDestination(st.target_X, st.target_Y, st.target_Z, st.target_Orientation);
}
else
{
Log.outDebug(LogFilter.Spells, "SPELL: unknown target coordinates for spell ID {0}", m_spellInfo.Id);
WorldObject target = m_targets.GetObjectTarget();
if (target)
dest = new SpellDestination(target);
}
break;
case Targets.DestCasterFishing:
{
float min_dis = m_spellInfo.GetMinRange(true);
float max_dis = m_spellInfo.GetMaxRange(true);
float dis = (float)RandomHelper.NextDouble() * (max_dis - min_dis) + min_dis;
float x, y, z;
float angle = (float)RandomHelper.NextDouble() * (MathFunctions.PI * 35.0f / 180.0f) - (float)(Math.PI * 17.5f / 180.0f);
m_caster.GetClosePoint(out x, out y, out z, SharedConst.DefaultWorldObjectSize, dis, angle);
float ground = z;
float liquidLevel = m_caster.GetMap().GetWaterOrGroundLevel(m_caster.GetPhases(), x, y, z, ref ground);
if (liquidLevel <= ground) // When there is no liquid Map.GetWaterOrGroundLevel returns ground level
{
SendCastResult(SpellCastResult.NotHere);
SendChannelUpdate(0);
finish(false);
return;
}
if (ground + 0.75 > liquidLevel)
{
SendCastResult(SpellCastResult.TooShallow);
SendChannelUpdate(0);
finish(false);
return;
}
dest = new SpellDestination(x, y, liquidLevel, m_caster.GetOrientation());
break;
}
default:
SpellEffectInfo effect = GetEffect(effIndex);
if (effect != null)
{
float dist = effect.CalcRadius(m_caster);
float angl = targetType.CalcDirectionAngle();
float objSize = m_caster.GetObjectSize();
switch (targetType.GetTarget())
{
case Targets.DestCasterSummon:
dist = SharedConst.PetFollowDist;
break;
case Targets.DestCasterRandom:
if (dist > objSize)
dist = objSize + (dist - objSize) * (float)RandomHelper.NextDouble();
break;
case Targets.DestCasterFrontLeft:
case Targets.DestCasterBackLeft:
case Targets.DestCasterFrontRight:
case Targets.DestCasterBackRight:
{
float DefaultTotemDistance = 3.0f;
if (!effect.HasRadius() && !effect.HasMaxRadius())
dist = DefaultTotemDistance;
break;
}
default:
break;
}
if (dist < objSize)
dist = objSize;
Position pos = dest.Position;
m_caster.MovePositionToFirstCollision(ref pos, dist, angl);
dest.Relocate(pos);
}
break;
}
CallScriptDestinationTargetSelectHandlers(ref dest, effIndex, targetType);
m_targets.SetDst(dest);
}
void SelectImplicitTargetDestTargets(uint effIndex, SpellImplicitTargetInfo targetType)
{
WorldObject target = m_targets.GetObjectTarget();
SpellDestination dest = new SpellDestination(target);
switch (targetType.GetTarget())
{
case Targets.DestEnemy:
case Targets.DestAny:
break;
default:
SpellEffectInfo effect = GetEffect(effIndex);
if (effect != null)
{
float angle = targetType.CalcDirectionAngle();
float objSize = target.GetObjectSize();
float dist = effect.CalcRadius(m_caster);
if (dist < objSize)
dist = objSize;
else if (targetType.GetTarget() == Targets.DestRandom)
dist = objSize + (dist - objSize) * (float)RandomHelper.NextDouble();
Position pos = dest.Position;
target.MovePositionToFirstCollision(ref pos, dist, angle);
dest.Relocate(pos);
}
break;
}
CallScriptDestinationTargetSelectHandlers(ref dest, effIndex, targetType);
m_targets.SetDst(dest);
}
void SelectImplicitDestDestTargets(uint effIndex, SpellImplicitTargetInfo targetType)
{
// set destination to caster if no dest provided
// can only happen if previous destination target could not be set for some reason
// (not found nearby target, or channel target for example
// maybe we should abort the spell in such case?
CheckDst();
SpellDestination dest = m_targets.GetDst();
switch (targetType.GetTarget())
{
case Targets.DestDynobjEnemy:
case Targets.DestDynobjAlly:
case Targets.DestDynobjNone:
case Targets.DestDest:
return;
case Targets.DestTraj:
SelectImplicitTrajTargets(effIndex);
return;
default:
SpellEffectInfo effect = GetEffect(effIndex);
if (effect != null)
{
float angle = targetType.CalcDirectionAngle();
float dist = effect.CalcRadius(m_caster);
if (targetType.GetTarget() == Targets.DestRandom)
dist *= (float)RandomHelper.NextDouble();
Position pos = m_targets.GetDstPos();
m_caster.MovePositionToFirstCollision(ref pos, dist, angle);
dest.Relocate(pos);
}
break;
}
CallScriptDestinationTargetSelectHandlers(ref dest, effIndex, targetType);
m_targets.ModDst(dest);
}
void SelectImplicitCasterObjectTargets(uint effIndex, SpellImplicitTargetInfo targetType)
{
WorldObject target = null;
bool checkIfValid = true;
switch (targetType.GetTarget())
{
case Targets.UnitCaster:
target = m_caster;
checkIfValid = false;
break;
case Targets.UnitMaster:
target = m_caster.GetCharmerOrOwner();
break;
case Targets.UnitPet:
target = m_caster.GetGuardianPet();
break;
case Targets.UnitSummoner:
if (m_caster.IsSummon())
target = m_caster.ToTempSummon().GetSummoner();
break;
case Targets.UnitVehicle:
target = m_caster.GetVehicleBase();
break;
case Targets.UnitPassenger0:
case Targets.UnitPassenger1:
case Targets.UnitPassenger2:
case Targets.UnitPassenger3:
case Targets.UnitPassenger4:
case Targets.UnitPassenger5:
case Targets.UnitPassenger6:
case Targets.UnitPassenger7:
if (m_caster.IsTypeId(TypeId.Unit) && m_caster.ToCreature().IsVehicle())
target = m_caster.GetVehicleKit().GetPassenger((sbyte)(targetType.GetTarget() - Targets.UnitPassenger0));
break;
default:
break;
}
CallScriptObjectTargetSelectHandlers(ref target, effIndex, targetType);
if (target != null && target.ToUnit())
AddUnitTarget(target.ToUnit(), (uint)(1 << (int)effIndex), checkIfValid);
}
void SelectImplicitTargetObjectTargets(uint effIndex, SpellImplicitTargetInfo targetType)
{
WorldObject target = m_targets.GetObjectTarget();
CallScriptObjectTargetSelectHandlers(ref target, effIndex, targetType);
Item item = m_targets.GetItemTarget();
if (target != null)
{
if (target.ToUnit())
AddUnitTarget(target.ToUnit(), (uint)(1 << (int)effIndex), true, false);
else if (target.IsTypeId(TypeId.GameObject))
AddGOTarget(target.ToGameObject(), (uint)(1 << (int)effIndex));
SelectImplicitChainTargets(effIndex, targetType, target, (uint)(1 << (int)effIndex));
}
// Script hook can remove object target and we would wrongly land here
else if (item != null)
AddItemTarget(item, (uint)(1 << (int)effIndex));
}
void SelectImplicitChainTargets(uint effIndex, SpellImplicitTargetInfo targetType, WorldObject target, uint effMask)
{
SpellEffectInfo effect = GetEffect(effIndex);
if (effect == null)
return;
uint maxTargets = effect.ChainTargets;
Player modOwner = m_caster.GetSpellModOwner();
if (modOwner)
modOwner.ApplySpellMod(m_spellInfo.Id, SpellModOp.JumpTargets, ref maxTargets, this);
if (maxTargets > 1)
{
// mark damage multipliers as used
foreach (SpellEffectInfo eff in GetEffects())
if (eff != null && Convert.ToBoolean(effMask & (1 << (int)eff.EffectIndex)))
m_damageMultipliers[eff.EffectIndex] = 1.0f;
m_applyMultiplierMask |= (byte)effMask;
List<WorldObject> targets = new List<WorldObject>();
SearchChainTargets(targets, maxTargets - 1, target, targetType.GetObjectType(), targetType.GetCheckType(), effect.ImplicitTargetConditions, targetType.GetTarget() == Targets.UnitChainhealAlly);
// Chain primary target is added earlier
CallScriptObjectAreaTargetSelectHandlers(targets, effIndex, targetType);
foreach (var obj in targets)
{
Unit unitTarget = obj.ToUnit();
if (unitTarget)
AddUnitTarget(unitTarget, effMask, false);
}
}
}
float tangent(float x)
{
x = (float)Math.Tan(x);
if (x < 100000.0f && x > -100000.0f) return x;
if (x >= 100000.0f) return 100000.0f;
if (x <= 100000.0f) return -100000.0f;
return 0.0f;
}
void SelectImplicitTrajTargets(uint effIndex)
{
if (!m_targets.HasTraj())
return;
float dist2d = m_targets.GetDist2d();
if (dist2d == 0)
return;
float srcToDestDelta = m_targets.GetDstPos().posZ - m_targets.GetSrcPos().posZ;
List<WorldObject> targets = new List<WorldObject>();
var spellTraj = new WorldObjectSpellTrajTargetCheck(dist2d, m_targets.GetSrcPos(), m_caster, m_spellInfo);
var searcher = new WorldObjectListSearcher(m_caster, targets, spellTraj);
SearchTargets(searcher, GridMapTypeMask.All, m_caster, m_targets.GetSrcPos(), dist2d);
if (targets.Empty())
return;
targets.Sort(new ObjectDistanceOrderPred(m_caster));
float b = tangent(m_targets.GetPitch());
float a = (srcToDestDelta - dist2d * b) / (dist2d * dist2d);
if (a > -0.0001f)
a = 0;
Log.outError(LogFilter.Spells, "Spell.SelectTrajTargets: a {0} b {1}", a, b);
float bestDist = m_spellInfo.GetMaxRange(false);
foreach (var obj in targets)
{
if (!m_caster.HasInLine(obj, 5.0f))
continue;
if (m_spellInfo.CheckTarget(m_caster, obj, true) != SpellCastResult.SpellCastOk)
continue;
Unit unitTarget = obj.ToUnit();
if (unitTarget)
{
if (m_caster == obj || m_caster.IsOnVehicle(unitTarget) || unitTarget.GetVehicle())
continue;
Creature creatureTarget = unitTarget.ToCreature();
if (creatureTarget)
{
if (!creatureTarget.GetCreatureTemplate().TypeFlags.HasAnyFlag(CreatureTypeFlags.CanCollideWithMissiles))
continue;
}
}
float size = Math.Max(obj.GetObjectSize() * 0.7f, 1.0f); // 1/sqrt(3)
// @todo all calculation should be based on src instead of m_caster
float objDist2d = (float)(m_targets.GetSrcPos().GetExactDist2d(obj) * Math.Cos(m_targets.GetSrcPos().GetRelativeAngle(obj)));
float dz = obj.GetPositionZ() - m_targets.GetSrcPos().posZ;
Log.outError(LogFilter.Spells, "Spell.SelectTrajTargets: check {0}, dist between {1} {2}, height between {3} {4}.", obj.GetEntry(), objDist2d - size, objDist2d + size, dz - size, dz + size);
float dist = objDist2d - size;
float height = dist * (a * dist + b);
Log.outError(LogFilter.Spells, "Spell.SelectTrajTargets: dist {0}, height {1}.", dist, height);
if (dist < bestDist && height < dz + size && height > dz - size)
{
bestDist = dist > 0 ? dist : 0;
break;
}
if (a == 0)
{
height = dz - size;
dist = height / b;
if (dist > bestDist)
continue;
if (dist < objDist2d + size && dist > objDist2d - size)
{
bestDist = dist;
break;
}
height = dz + size;
dist = height / b;
if (dist > bestDist)
continue;
if (dist < objDist2d + size && dist > objDist2d - size)
{
bestDist = dist;
break;
}
continue;
}
height = dz - size;
float sqrt1 = b * b + 4 * a * height;
if (sqrt1 > 0)
{
sqrt1 = (float)Math.Sqrt(sqrt1);
dist = (sqrt1 - b) / (2 * a);
if (dist > bestDist)
continue;
if (dist < objDist2d + size && dist > objDist2d - size)
{
bestDist = dist;
break;
}
}
height = dz + size;
float sqrt2 = b * b + 4 * a * height;
if (sqrt2 > 0)
{
sqrt2 = (float)Math.Sqrt(sqrt2);
dist = (sqrt2 - b) / (2 * a);
if (dist > bestDist)
continue;
if (dist < objDist2d + size && dist > objDist2d - size)
{
bestDist = dist;
break;
}
dist = (-sqrt2 - b) / (2 * a);
if (dist > bestDist)
continue;
if (dist < objDist2d + size && dist > objDist2d - size)
{
bestDist = dist;
break;
}
}
if (sqrt1 > 0)
{
dist = (-sqrt1 - b) / (2 * a);
if (dist > bestDist)
continue;
if (dist < objDist2d + size && dist > objDist2d - size)
{
bestDist = dist;
break;
}
}
}
if (m_targets.GetSrcPos().GetExactDist2d(m_targets.GetDstPos()) > bestDist)
{
float x = (float)(m_targets.GetSrcPos().posX + Math.Cos(m_caster.GetOrientation()) * bestDist);
float y = (float)(m_targets.GetSrcPos().posY + Math.Sin(m_caster.GetOrientation()) * bestDist);
float z = m_targets.GetSrcPos().posZ + bestDist * (a * bestDist + b);
var obj = targets[0];
if (obj != null)
{
float distSq = obj.GetExactDistSq(x, y, z);
float sizeSq = obj.GetObjectSize();
sizeSq *= sizeSq;
if (distSq > sizeSq)
{
float factor = 1 - (float)Math.Sqrt(sizeSq / distSq);
x += factor * (obj.GetPositionX() - x);
y += factor * (obj.GetPositionY() - y);
z += factor * (obj.GetPositionZ() - z);
distSq = obj.GetExactDistSq(x, y, z);
}
}
Position trajDst = new Position();
trajDst.Relocate(x, y, z, m_caster.GetOrientation());
SpellDestination dest = m_targets.GetDst();
dest.Relocate(trajDst);
CallScriptDestinationTargetSelectHandlers(ref dest, effIndex, new SpellImplicitTargetInfo(Targets.DestTraj));
m_targets.ModDst(dest);
}
Vehicle veh = m_caster.GetVehicleKit();
if (veh != null)
veh.SetLastShootPos(m_targets.GetDstPos());
}
void SelectEffectTypeImplicitTargets(uint effIndex)
{
// special case for SPELL_EFFECT_SUMMON_RAF_FRIEND and SPELL_EFFECT_SUMMON_PLAYER
/// @todo this is a workaround - target shouldn't be stored in target map for those spells
SpellEffectInfo effect = GetEffect(effIndex);
if (effect == null)
return;
switch (effect.Effect)
{
case SpellEffectName.SummonRafFriend:
case SpellEffectName.SummonPlayer:
if (m_caster.IsTypeId(TypeId.Player) && !m_caster.GetTarget().IsEmpty())
{
WorldObject target1 = Global.ObjAccessor.FindPlayer(m_caster.GetTarget());
CallScriptObjectTargetSelectHandlers(ref target1, effIndex, new SpellImplicitTargetInfo());
if (target1 != null && target1.IsTypeId(TypeId.Player))
AddUnitTarget(target1.ToUnit(), (uint)(1 << (int)effIndex), false);
}
return;
default:
break;
}
// select spell implicit targets based on effect type
if (effect.GetImplicitTargetType() == 0)
return;
SpellCastTargetFlags targetMask = effect.GetMissingTargetMask();
if (targetMask == 0)
return;
WorldObject target = null;
switch (effect.GetImplicitTargetType())
{
// add explicit object target or self to the target map
case SpellEffectImplicitTargetTypes.Explicit:
// player which not released his spirit is Unit, but target flag for it is TARGET_FLAG_CORPSE_MASK
if (Convert.ToBoolean(targetMask & (SpellCastTargetFlags.UnitMask | SpellCastTargetFlags.CorpseMask)))
{
Unit unitTarget = m_targets.GetUnitTarget();
if (unitTarget != null)
target = unitTarget;
else if (Convert.ToBoolean(targetMask & SpellCastTargetFlags.CorpseMask))
{
Corpse corpseTarget = m_targets.GetCorpseTarget();
if (corpseTarget != null)
{
// @todo this is a workaround - corpses should be added to spell target map too, but we can't do that so we add owner instead
Player owner = Global.ObjAccessor.FindPlayer(corpseTarget.GetOwnerGUID());
if (owner != null)
target = owner;
}
}
else //if (targetMask & TARGET_FLAG_UNIT_MASK)
target = m_caster;
}
if (Convert.ToBoolean(targetMask & SpellCastTargetFlags.ItemMask))
{
Item itemTarget = m_targets.GetItemTarget();
if (itemTarget != null)
AddItemTarget(itemTarget, (uint)(1 << (int)effIndex));
return;
}
if (Convert.ToBoolean(targetMask & SpellCastTargetFlags.GameobjectMask))
target = m_targets.GetGOTarget();
break;
// add self to the target map
case SpellEffectImplicitTargetTypes.Caster:
if (Convert.ToBoolean(targetMask & SpellCastTargetFlags.UnitMask))
target = m_caster;
break;
default:
break;
}
CallScriptObjectTargetSelectHandlers(ref target, effIndex, new SpellImplicitTargetInfo());
if (target != null)
{
if (target.ToUnit())
AddUnitTarget(target.ToUnit(), (uint)(1 << (int)effIndex), false);
else if (target.IsTypeId(TypeId.GameObject))
AddGOTarget(target.ToGameObject(), (uint)(1 << (int)effIndex));
}
}
public GridMapTypeMask GetSearcherTypeMask(SpellTargetObjectTypes objType, List<Condition> condList)
{
// this function selects which containers need to be searched for spell target
GridMapTypeMask retMask = GridMapTypeMask.All;
// filter searchers based on searched object type
switch (objType)
{
case SpellTargetObjectTypes.Unit:
case SpellTargetObjectTypes.UnitAndDest:
case SpellTargetObjectTypes.Corpse:
case SpellTargetObjectTypes.CorpseEnemy:
case SpellTargetObjectTypes.CorpseAlly:
retMask &= GridMapTypeMask.Player | GridMapTypeMask.Corpse | GridMapTypeMask.Creature;
break;
case SpellTargetObjectTypes.Gobj:
case SpellTargetObjectTypes.GobjItem:
retMask &= GridMapTypeMask.GameObject;
break;
default:
break;
}
if (!m_spellInfo.HasAttribute(SpellAttr2.CanTargetDead))
retMask &= ~GridMapTypeMask.Corpse;
if (m_spellInfo.HasAttribute(SpellAttr3.OnlyTargetPlayers))
retMask &= GridMapTypeMask.Corpse | GridMapTypeMask.Player;
if (m_spellInfo.HasAttribute(SpellAttr3.OnlyTargetGhosts))
retMask &= GridMapTypeMask.Player;
if (condList != null)
retMask &= Global.ConditionMgr.GetSearcherTypeMaskForConditionList(condList);
return retMask;
}
void SearchTargets(Notifier notifier, GridMapTypeMask containerMask, Unit referer, Position pos, float radius)
{
if (containerMask == 0)
return;
bool searchInGrid = containerMask.HasAnyFlag(GridMapTypeMask.Creature | GridMapTypeMask.GameObject);
bool searchInWorld = containerMask.HasAnyFlag(GridMapTypeMask.Creature | GridMapTypeMask.Player | GridMapTypeMask.Corpse);
if (searchInGrid || searchInWorld)
{
float x, y;
x = pos.GetPositionX();
y = pos.GetPositionY();
CellCoord p = GridDefines.ComputeCellCoord(x, y);
Cell cell = new Cell(p);
cell.SetNoCreate();
Map map = referer.GetMap();
if (searchInWorld)
Cell.VisitWorldObjects(x, y, map, notifier, radius);
if (searchInGrid)
Cell.VisitGridObjects(x, y, map, notifier, radius);
}
}
WorldObject SearchNearbyTarget(float range, SpellTargetObjectTypes objectType, SpellTargetCheckTypes selectionType, List<Condition> condList)
{
GridMapTypeMask containerTypeMask = GetSearcherTypeMask(objectType, condList);
if (containerTypeMask == 0)
return null;
var check = new WorldObjectSpellNearbyTargetCheck(range, m_caster, m_spellInfo, selectionType, condList);
var searcher = new WorldObjectLastSearcher(m_caster, check, containerTypeMask);
SearchTargets(searcher, containerTypeMask, m_caster, m_caster.GetPosition(), range);
return searcher.GetTarget();
}
void SearchAreaTargets(List<WorldObject> targets, float range, Position position, Unit referer, SpellTargetObjectTypes objectType, SpellTargetCheckTypes selectionType, List<Condition> condList)
{
var containerTypeMask = GetSearcherTypeMask(objectType, condList);
if (containerTypeMask == 0)
return;
var check = new WorldObjectSpellAreaTargetCheck(range, position, m_caster, referer, m_spellInfo, selectionType, condList);
var searcher = new WorldObjectListSearcher(m_caster, targets, check, containerTypeMask);
SearchTargets(searcher, containerTypeMask, m_caster, position, range);
}
void SearchChainTargets(List<WorldObject> targets, uint chainTargets, WorldObject target, SpellTargetObjectTypes objectType, SpellTargetCheckTypes selectType, List<Condition> condList, bool isChainHeal)
{
// max dist for jump target selection
float jumpRadius = 0.0f;
switch (m_spellInfo.DmgClass)
{
case SpellDmgClass.Ranged:
// 7.5y for multi shot
jumpRadius = 7.5f;
break;
case SpellDmgClass.Melee:
// 5y for swipe, cleave and similar
jumpRadius = 5.0f;
break;
case SpellDmgClass.None:
case SpellDmgClass.Magic:
// 12.5y for chain heal spell since 3.2 patch
if (isChainHeal)
jumpRadius = 12.5f;
// 10y as default for magic chain spells
else
jumpRadius = 10.0f;
break;
}
Player modOwner = m_caster.GetSpellModOwner();
if (modOwner)
modOwner.ApplySpellMod(m_spellInfo.Id, SpellModOp.JumpDistance, ref jumpRadius, this);
// chain lightning/heal spells and similar - allow to jump at larger distance and go out of los
bool isBouncingFar = (m_spellInfo.HasAttribute(SpellAttr4.AreaTargetChain)
|| m_spellInfo.DmgClass == SpellDmgClass.None
|| m_spellInfo.DmgClass == SpellDmgClass.Magic);
// max dist which spell can reach
float searchRadius = jumpRadius;
if (isBouncingFar)
searchRadius *= chainTargets;
List<WorldObject> tempTargets = new List<WorldObject>();
SearchAreaTargets(tempTargets, searchRadius, target.GetPosition(), m_caster, objectType, selectType, condList);
tempTargets.Remove(target);
// remove targets which are always invalid for chain spells
// for some spells allow only chain targets in front of caster (swipe for example)
if (!isBouncingFar)
{
foreach (var obj in tempTargets.ToList())
{
if (!m_caster.HasInArc(MathFunctions.PI, obj))
tempTargets.Remove(obj);
}
}
while (chainTargets != 0)
{
// try to get unit for next chain jump
var found = tempTargets.LastOrDefault();
// get unit with highest hp deficit in dist
if (isChainHeal)
{
uint maxHPDeficit = 0;
foreach (var obj in tempTargets)
{
Unit unitTarget = obj.ToUnit();
if (unitTarget != null)
{
uint deficit = (uint)(unitTarget.GetMaxHealth() - unitTarget.GetHealth());
if ((deficit > maxHPDeficit || found == null) && target.IsWithinDist(unitTarget, jumpRadius) && target.IsWithinLOSInMap(unitTarget))
{
found = obj;
maxHPDeficit = deficit;
}
}
}
}
// get closest object
else
{
foreach (var obj in tempTargets)
{
if (found == null)
{
if ((!isBouncingFar || target.IsWithinDist(obj, jumpRadius)) && target.IsWithinLOSInMap(obj))
found = obj;
}
else if (target.GetDistanceOrder(obj, found) && target.IsWithinLOSInMap(obj))
found = obj;
}
}
// not found any valid target - chain ends
if (found == null)
break;
target = found;
tempTargets.Remove(found);
targets.Add(target);
--chainTargets;
}
}
GameObject SearchSpellFocus()
{
var check = new GameObjectFocusCheck(m_caster, m_spellInfo.RequiresSpellFocus);
var searcher = new GameObjectSearcher(m_caster, check);
SearchTargets(searcher, GridMapTypeMask.GameObject, m_caster, m_caster, m_caster.GetVisibilityRange());
return searcher.GetTarget();
}
void prepareDataForTriggerSystem()
{
//==========================================================================================
// Now fill data for trigger system, need know:
// Create base triggers flags for Attacker and Victim (m_procAttacker, m_procVictim and m_hitMask)
//==========================================================================================
m_procVictim = m_procAttacker = 0;
// Get data for type of attack and fill base info for trigger
switch (m_spellInfo.DmgClass)
{
case SpellDmgClass.Melee:
m_procAttacker = ProcFlags.DoneSpellMeleeDmgClass;
if (m_attackType == WeaponAttackType.OffAttack)
m_procAttacker |= ProcFlags.DoneOffHandAttack;
else
m_procAttacker |= ProcFlags.DoneMainHandAttack;
m_procVictim = ProcFlags.TakenSpellMeleeDmgClass;
break;
case SpellDmgClass.Ranged:
// Auto attack
if (m_spellInfo.HasAttribute(SpellAttr2.AutorepeatFlag))
{
m_procAttacker = ProcFlags.DoneRangedAutoAttack;
m_procVictim = ProcFlags.TakenRangedAutoAttack;
}
else // Ranged spell attack
{
m_procAttacker = ProcFlags.DoneSpellRangedDmgClass;
m_procVictim = ProcFlags.TakenSpellRangedDmgClass;
}
break;
default:
if (m_spellInfo.EquippedItemClass == ItemClass.Weapon &&
Convert.ToBoolean(m_spellInfo.EquippedItemSubClassMask & (1 << (int)ItemSubClassWeapon.Wand))
&& m_spellInfo.HasAttribute(SpellAttr2.AutorepeatFlag)) // Wands auto attack
{
m_procAttacker = ProcFlags.DoneRangedAutoAttack;
m_procVictim = ProcFlags.TakenRangedAutoAttack;
}
break;
// For other spells trigger procflags are set in Spell.DoAllEffectOnTarget
// Because spell positivity is dependant on target
}
m_hitMask = ProcFlagsHit.None;
// Hunter trap spells - activation proc for Lock and Load, Entrapment and Misdirection
if (m_spellInfo.SpellFamilyName == SpellFamilyNames.Hunter && (m_spellInfo.SpellFamilyFlags[0].HasAnyFlag(0x18u) || // Freezing and Frost Trap, Freezing Arrow
m_spellInfo.Id == 57879 || // Snake Trap - done this way to avoid double proc
m_spellInfo.SpellFamilyFlags[2].HasAnyFlag(0x00024000u))) // Explosive and Immolation Trap
{
m_procAttacker |= ProcFlags.DoneTrapActivation;
// also fill up other flags (DoAllEffectOnTarget only fills up flag if both are not set)
m_procAttacker |= ProcFlags.DoneSpellMagicDmgClassNeg;
m_procVictim |= ProcFlags.TakenSpellMagicDmgClassNeg;
}
// Hellfire Effect - trigger as DOT
if (m_spellInfo.SpellFamilyName == SpellFamilyNames.Warlock && m_spellInfo.SpellFamilyFlags[0].HasAnyFlag(0x00000040u))
{
m_procAttacker = ProcFlags.DonePeriodic;
m_procVictim = ProcFlags.TakenPeriodic;
}
}
public void CleanupTargetList()
{
m_UniqueTargetInfo.Clear();
m_UniqueGOTargetInfo.Clear();
m_UniqueItemInfo.Clear();
m_delayMoment = 0;
}
void AddUnitTarget(Unit target, uint effectMask, bool checkIfValid = true, bool Implicit = true, Position losPosition = null)
{
uint validEffectMask = 0;
foreach (SpellEffectInfo effect in GetEffects())
if (effect != null && (effectMask & (1 << (int)effect.EffectIndex)) != 0 && CheckEffectTarget(target, effect, losPosition))
validEffectMask |= 1u << (int)effect.EffectIndex;
effectMask &= validEffectMask;
// no effects left
if (effectMask == 0)
return;
if (checkIfValid)
if (m_spellInfo.CheckTarget(m_caster, target, Implicit || m_caster.GetEntry() == SharedConst.WorldTrigger) != SpellCastResult.SpellCastOk) // skip stealth checks for GO casts
return;
// Check for effect immune skip if immuned
foreach (SpellEffectInfo effect in GetEffects())
if (effect != null && target.IsImmunedToSpellEffect(m_spellInfo, effect.EffectIndex))
effectMask &= ~(uint)(1 << (int)effect.EffectIndex);
ObjectGuid targetGUID = target.GetGUID();
// Lookup target in already in list
foreach (var ihit in m_UniqueTargetInfo)
{
if (targetGUID == ihit.targetGUID) // Found in list
{
ihit.effectMask |= effectMask; // Immune effects removed from mask
ihit.scaleAura = false;
if (m_auraScaleMask != 0 && ihit.effectMask == m_auraScaleMask && m_caster != target)
{
SpellInfo auraSpell = Global.SpellMgr.GetSpellInfo(Global.SpellMgr.GetFirstSpellInChain(m_spellInfo.Id));
if (target.GetLevelForTarget(m_caster) + 10 >= auraSpell.SpellLevel)
ihit.scaleAura = true;
}
return;
}
}
// This is new target calculate data for him
// Get spell hit result on target
TargetInfo targetInfo = new TargetInfo();
targetInfo.targetGUID = targetGUID; // Store target GUID
targetInfo.effectMask = effectMask; // Store all effects not immune
targetInfo.processed = false; // Effects not apply on target
targetInfo.alive = target.IsAlive();
targetInfo.damage = 0;
targetInfo.crit = false;
targetInfo.scaleAura = false;
if (m_auraScaleMask != 0 && targetInfo.effectMask == m_auraScaleMask && m_caster != target)
{
SpellInfo auraSpell = Global.SpellMgr.GetSpellInfo(Global.SpellMgr.GetFirstSpellInChain(m_spellInfo.Id));
if (target.GetLevelForTarget(m_caster) + 10 >= auraSpell.SpellLevel)
targetInfo.scaleAura = true;
}
// Calculate hit result
if (m_originalCaster != null)
{
targetInfo.missCondition = m_originalCaster.SpellHitResult(target, m_spellInfo, m_canReflect);
if (m_skipCheck && targetInfo.missCondition != SpellMissInfo.Immune)
targetInfo.missCondition = SpellMissInfo.None;
}
else
targetInfo.missCondition = SpellMissInfo.Evade;
// Spell have speed - need calculate incoming time
// Incoming time is zero for self casts. At least I think so.
if (m_spellInfo.Speed > 0.0f && m_caster != target)
{
// calculate spell incoming interval
/// @todo this is a hack
float dist = m_caster.GetDistance(target.GetPositionX(), target.GetPositionY(), target.GetPositionZ());
if (dist < 5.0f)
dist = 5.0f;
if (!(m_spellInfo.HasAttribute(SpellAttr9.SpecialDelayCalculation)))
targetInfo.timeDelay = (ulong)Math.Floor((dist / m_spellInfo.Speed) * 1000.0f);
else
targetInfo.timeDelay = (ulong)(m_spellInfo.Speed * 1000.0f);
// Calculate minimum incoming time
if (m_delayMoment == 0 || m_delayMoment > targetInfo.timeDelay)
m_delayMoment = targetInfo.timeDelay;
}
else
targetInfo.timeDelay = 0L;
// If target reflect spell back to caster
if (targetInfo.missCondition == SpellMissInfo.Reflect)
{
// Calculate reflected spell result on caster
targetInfo.reflectResult = m_caster.SpellHitResult(m_caster, m_spellInfo, false);
// Proc spell reflect aura when missile hits the original target
target.m_Events.AddEvent(new ProcReflectDelayed(target, m_originalCasterGUID), target.m_Events.CalculateTime(targetInfo.timeDelay));
// Increase time interval for reflected spells by 1.5
targetInfo.timeDelay += targetInfo.timeDelay >> 1;
}
else
targetInfo.reflectResult = SpellMissInfo.None;
// Add target to list
m_UniqueTargetInfo.Add(targetInfo);
}
void AddGOTarget(GameObject go, uint effectMask)
{
uint validEffectMask = 0;
foreach (SpellEffectInfo effect in GetEffects())
if (effect != null && (effectMask & (1 << (int)effect.EffectIndex)) != 0 && CheckEffectTarget(go, effect))
validEffectMask |= (uint)(1 << (int)effect.EffectIndex);
effectMask &= validEffectMask;
// no effects left
if (effectMask == 0)
return;
ObjectGuid targetGUID = go.GetGUID();
// Lookup target in already in list
foreach (var ihit in m_UniqueGOTargetInfo)
{
if (targetGUID == ihit.targetGUID) // Found in list
{
ihit.effectMask |= effectMask; // Add only effect mask
return;
}
}
// This is new target calculate data for him
GOTargetInfo target = new GOTargetInfo();
target.targetGUID = targetGUID;
target.effectMask = effectMask;
target.processed = false; // Effects not apply on target
// Spell have speed - need calculate incoming time
if (m_spellInfo.Speed > 0.0f)
{
// calculate spell incoming interval
float dist = m_caster.GetDistance(go.GetPositionX(), go.GetPositionY(), go.GetPositionZ());
if (dist < 5.0f)
dist = 5.0f;
if (!m_spellInfo.HasAttribute(SpellAttr9.SpecialDelayCalculation))
target.timeDelay = (ulong)Math.Floor(dist / m_spellInfo.Speed * 1000.0f);
else
target.timeDelay = (ulong)(m_spellInfo.Speed * 1000.0f);
if (m_delayMoment == 0 || m_delayMoment > target.timeDelay)
m_delayMoment = target.timeDelay;
}
else
target.timeDelay = 0L;
// Add target to list
m_UniqueGOTargetInfo.Add(target);
}
void AddItemTarget(Item item, uint effectMask)
{
uint validEffectMask = 0;
foreach (SpellEffectInfo effect in GetEffects())
if (effect != null && (effectMask & (1 << (int)effect.EffectIndex)) != 0 && CheckEffectTarget(item, effect))
validEffectMask |= 1u << (int)effect.EffectIndex;
// no effects left
if (effectMask == 0)
return;
// Lookup target in already in list
foreach (var ihit in m_UniqueItemInfo)
{
if (item == ihit.item) // Found in list
{
ihit.effectMask |= effectMask; // Add only effect mask
return;
}
}
// This is new target add data
ItemTargetInfo target = new ItemTargetInfo();
target.item = item;
target.effectMask = effectMask;
m_UniqueItemInfo.Add(target);
}
void AddDestTarget(SpellDestination dest, uint effIndex)
{
m_destTargets[effIndex] = dest;
}
void DoAllEffectOnTarget(TargetInfo target)
{
if (target == null || target.processed)
return;
target.processed = true; // Target checked in apply effects procedure
// Get mask of effects for target
uint mask = target.effectMask;
Unit unit = m_caster.GetGUID() == target.targetGUID ? m_caster : Global.ObjAccessor.GetUnit(m_caster, target.targetGUID);
if (!unit && target.targetGUID.IsPlayer()) // only players may be targeted across maps
{
uint farMask = 0;
// create far target mask
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect != null && effect.IsFarUnitTargetEffect())
if (Convert.ToBoolean((1 << (int)effect.EffectIndex) & mask))
farMask |= (1u << (int)effect.EffectIndex);
}
if (farMask == 0)
return;
// find unit in world
unit = Global.ObjAccessor.FindPlayer(target.targetGUID);
if (unit == null)
return;
// do far effects on the unit
// can't use default call because of threading, do stuff as fast as possible
foreach (SpellEffectInfo effect in GetEffects())
if (effect != null && Convert.ToBoolean(farMask & (1 << (int)effect.EffectIndex)))
HandleEffects(unit, null, null, effect.EffectIndex, SpellEffectHandleMode.HitTarget);
return;
}
if (!unit)
return;
if (unit.IsAlive() != target.alive)
return;
if (getState() == SpellState.Delayed && !m_spellInfo.IsPositive() && (Time.GetMSTime() - target.timeDelay) <= unit.m_lastSanctuaryTime)
return; // No missinfo in that case
// Get original caster (if exist) and calculate damage/healing from him data
Unit caster = m_originalCaster ?? m_caster;
// Skip if m_originalCaster not avaiable
if (caster == null)
return;
SpellMissInfo missInfo = target.missCondition;
// Need init unitTarget by default unit (can changed in code on reflect)
// Or on missInfo != SPELL_MISS_NONE unitTarget undefined (but need in trigger subsystem)
unitTarget = unit;
// Reset damage/healing counter
m_damage = target.damage;
m_healing = -target.damage;
// Fill base trigger info
ProcFlags procAttacker = m_procAttacker;
ProcFlags procVictim = m_procVictim;
ProcFlagsHit hitMask = m_hitMask;
m_spellAura = null;
//Spells with this flag cannot trigger if effect is cast on self
bool canEffectTrigger = !m_spellInfo.HasAttribute(SpellAttr3.CantTriggerProc) && (CanExecuteTriggersOnHit(mask) || missInfo == SpellMissInfo.Immune || missInfo == SpellMissInfo.Immune2);
Unit spellHitTarget = null;
if (missInfo == SpellMissInfo.None) // In case spell hit target, do all effect on that target
spellHitTarget = unit;
else if (missInfo == SpellMissInfo.Reflect) // In case spell reflect from target, do all effect on caster (if hit)
{
if (target.reflectResult == SpellMissInfo.None) // If reflected spell hit caster . do all effect on him
{
spellHitTarget = m_caster;
if (m_caster.IsTypeId(TypeId.Unit))
m_caster.ToCreature().LowerPlayerDamageReq((uint)target.damage);
}
}
PrepareScriptHitHandlers();
CallScriptBeforeHitHandlers(missInfo);
bool enablePvP = false; // need to check PvP state before spell effects, but act on it afterwards
if (spellHitTarget != null)
{
// if target is flagged for pvp also flag caster if a player
if (unit.IsPvP() && m_caster.IsTypeId(TypeId.Player))
enablePvP = true; // Decide on PvP flagging now, but act on it later.
SpellMissInfo missInfo2 = DoSpellHitOnUnit(spellHitTarget, mask, target.scaleAura);
if (missInfo2 != SpellMissInfo.None)
{
if (missInfo2 != SpellMissInfo.Miss)
m_caster.SendSpellMiss(unit, m_spellInfo.Id, missInfo2);
m_damage = 0;
spellHitTarget = null;
}
}
// Do not take combo points on dodge and miss
if (missInfo != SpellMissInfo.None && m_needComboPoints && m_targets.GetUnitTargetGUID() == target.targetGUID)
m_needComboPoints = false;
// Trigger info was not filled in spell.preparedatafortriggersystem - we do it now
if (canEffectTrigger && procAttacker == 0 && procVictim == 0)
{
bool positive = true;
if (m_damage > 0)
positive = false;
else if (m_healing == 0)
{
for (byte i = 0; i < SpellConst.MaxEffects; ++i)
{
if (!Convert.ToBoolean(target.effectMask & (1 << i)))
continue;
if (!m_spellInfo.IsPositiveEffect(i))
{
positive = false;
break;
}
}
}
switch (m_spellInfo.DmgClass)
{
case SpellDmgClass.Magic:
if (positive)
{
procAttacker |= ProcFlags.DoneSpellMagicDmgClassPos;
procVictim |= ProcFlags.TakenSpellMagicDmgClassPos;
}
else
{
procAttacker |= ProcFlags.DoneSpellMagicDmgClassNeg;
procVictim |= ProcFlags.TakenSpellMagicDmgClassNeg;
}
break;
case SpellDmgClass.None:
if (positive)
{
procAttacker |= ProcFlags.DoneSpellNoneDmgClassPos;
procVictim |= ProcFlags.TakenSpellNoneDmgClassPos;
}
else
{
procAttacker |= ProcFlags.DoneSpellNoneDmgClassNeg;
procVictim |= ProcFlags.TakenSpellNoneDmgClassNeg;
}
break;
}
}
CallScriptOnHitHandlers();
// All calculated do it!
// Do healing and triggers
if (m_healing > 0)
{
bool crit = target.crit;
uint addhealth = (uint)m_healing;
if (crit)
{
hitMask |= ProcFlagsHit.Critical;
addhealth = (uint)caster.SpellCriticalHealingBonus(m_spellInfo, (int)addhealth, null);
}
else
hitMask |= ProcFlagsHit.Normal;
HealInfo healInfo = new HealInfo(caster, unitTarget, addhealth, m_spellInfo, m_spellInfo.GetSchoolMask());
caster.HealBySpell(healInfo, crit);
unitTarget.getHostileRefManager().threatAssist(caster, healInfo.GetEffectiveHeal() * 0.5f, m_spellInfo);
m_healing = (int)healInfo.GetEffectiveHeal();
// Do triggers for unit
if (canEffectTrigger)
caster.ProcSkillsAndAuras(unitTarget, procAttacker, procVictim, ProcFlagsSpellType.Heal, ProcFlagsSpellPhase.Hit, hitMask, this, null, healInfo);
}
// Do damage and triggers
else if (m_damage > 0)
{
// Fill base damage struct (unitTarget - is real spell target)
SpellNonMeleeDamage damageInfo = new SpellNonMeleeDamage(caster, unitTarget, m_spellInfo.Id, m_SpellVisual, m_spellSchoolMask, m_castId);
// Add bonuses and fill damageInfo struct
caster.CalculateSpellDamageTaken(damageInfo, m_damage, m_spellInfo, m_attackType, target.crit);
caster.DealDamageMods(damageInfo.target, ref damageInfo.damage, ref damageInfo.absorb);
hitMask |= Unit.createProcHitMask(damageInfo, missInfo);
procVictim |= ProcFlags.TakenDamage;
// Do triggers for unit
if (canEffectTrigger)
{
DamageInfo spellDamageInfo = new DamageInfo(damageInfo, DamageEffectType.SpellDirect, m_attackType, hitMask);
caster.ProcSkillsAndAuras(unitTarget, procAttacker, procVictim, ProcFlagsSpellType.Damage, ProcFlagsSpellPhase.Hit, hitMask, this, spellDamageInfo, null);
if (caster.IsPlayer() && !m_spellInfo.HasAttribute(SpellAttr0.StopAttackTarget) &&
(m_spellInfo.DmgClass == SpellDmgClass.Melee || m_spellInfo.DmgClass == SpellDmgClass.Ranged))
caster.ToPlayer().CastItemCombatSpell(spellDamageInfo);
}
m_damage = (int)damageInfo.damage;
caster.DealSpellDamage(damageInfo, true);
// Send log damage message to client
caster.SendSpellNonMeleeDamageLog(damageInfo);
}
// Passive spell hits/misses or active spells only misses (only triggers)
else
{
// Fill base damage struct (unitTarget - is real spell target)
SpellNonMeleeDamage damageInfo = new SpellNonMeleeDamage(caster, unitTarget, m_spellInfo.Id, m_SpellVisual, m_spellSchoolMask);
hitMask |= Unit.createProcHitMask(damageInfo, missInfo);
// Do triggers for unit
if (canEffectTrigger)
{
DamageInfo spellNoDamageInfo = new DamageInfo(damageInfo, DamageEffectType.NoDamage, m_attackType, hitMask);
caster.ProcSkillsAndAuras(unitTarget, procAttacker, procVictim, ProcFlagsSpellType.NoDmgHeal, ProcFlagsSpellPhase.Hit, hitMask, this, spellNoDamageInfo, null);
if (caster.IsPlayer() && !m_spellInfo.HasAttribute(SpellAttr0.StopAttackTarget) &&
(m_spellInfo.DmgClass == SpellDmgClass.Melee || m_spellInfo.DmgClass == SpellDmgClass.Ranged))
caster.ToPlayer().CastItemCombatSpell(spellNoDamageInfo);
}
// Failed Pickpocket, reveal rogue
if (missInfo == SpellMissInfo.Resist && m_spellInfo.HasAttribute(SpellCustomAttributes.PickPocket) && unitTarget.IsTypeId(TypeId.Unit))
{
m_caster.RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.Talk);
if (unitTarget.ToCreature().IsAIEnabled)
unitTarget.ToCreature().GetAI().AttackStart(m_caster);
}
}
if (missInfo != SpellMissInfo.Evade && !m_caster.IsFriendlyTo(unit) && (!m_spellInfo.IsPositive() || m_spellInfo.HasEffect(SpellEffectName.Dispel)))
{
m_caster.CombatStart(unit, m_spellInfo.HasInitialAggro());
if (!unit.IsStandState())
unit.SetStandState(UnitStandStateType.Stand);
}
// Check for SPELL_ATTR7_INTERRUPT_ONLY_NONPLAYER
if (missInfo == SpellMissInfo.None && m_spellInfo.HasAttribute(SpellAttr7.InterruptOnlyNonplayer) && !unit.IsTypeId(TypeId.Player))
caster.CastSpell(unit, 32747, true);
if (spellHitTarget != null)
{
//AI functions
if (spellHitTarget.IsTypeId(TypeId.Unit))
if (spellHitTarget.ToCreature().IsAIEnabled)
spellHitTarget.ToCreature().GetAI().SpellHit(m_caster, m_spellInfo);
if (m_caster.IsTypeId(TypeId.Unit) && m_caster.ToCreature().IsAIEnabled)
m_caster.ToCreature().GetAI().SpellHitTarget(spellHitTarget, m_spellInfo);
// Needs to be called after dealing damage/healing to not remove breaking on damage auras
DoTriggersOnSpellHit(spellHitTarget, mask);
// if target is fallged for pvp also flag caster if a player
if (enablePvP)
m_caster.ToPlayer().UpdatePvP(true);
CallScriptAfterHitHandlers();
}
}
SpellMissInfo DoSpellHitOnUnit(Unit unit, uint effectMask, bool scaleAura)
{
if (unit == null || effectMask == 0)
return SpellMissInfo.Evade;
// For delayed spells immunity may be applied between missile launch and hit - check immunity for that case
if (m_spellInfo.Speed != 0.0f && (unit.IsImmunedToDamage(m_spellInfo) || unit.IsImmunedToSpell(m_spellInfo)))
return SpellMissInfo.Immune;
// disable effects to which unit is immune
SpellMissInfo returnVal = SpellMissInfo.Immune;
foreach (SpellEffectInfo effect in GetEffects())
if (effect != null && Convert.ToBoolean(effectMask & (1 << (int)effect.EffectIndex)))
if (unit.IsImmunedToSpellEffect(m_spellInfo, effect.EffectIndex))
effectMask &= (uint)~(1 << (int)effect.EffectIndex);
if (effectMask == 0)
return returnVal;
Player player = unit.ToPlayer();
if (player != null)
{
player.StartCriteriaTimer(CriteriaTimedTypes.SpellTarget, m_spellInfo.Id);
player.UpdateCriteria(CriteriaTypes.BeSpellTarget, m_spellInfo.Id, 0, 0, m_caster);
player.UpdateCriteria(CriteriaTypes.BeSpellTarget2, m_spellInfo.Id);
}
player = m_caster.ToPlayer();
if (player != null)
{
player.StartCriteriaTimer(CriteriaTimedTypes.SpellCaster, m_spellInfo.Id);
player.UpdateCriteria(CriteriaTypes.CastSpell2, m_spellInfo.Id, 0, 0, unit);
}
if (m_caster != unit)
{
// Recheck UNIT_FLAG_NON_ATTACKABLE for delayed spells
if (m_spellInfo.Speed > 0.0f && unit.HasFlag(UnitFields.Flags, UnitFlags.NonAttackable) && unit.GetCharmerOrOwnerGUID() != m_caster.GetGUID())
return SpellMissInfo.Evade;
if (m_caster._IsValidAttackTarget(unit, m_spellInfo))
unit.RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.Hitbyspell);
else if (m_caster.IsFriendlyTo(unit))
{
// for delayed spells ignore negative spells (after duel end) for friendly targets
/// @todo this cause soul transfer bugged
// 63881 - Malady of the Mind jump spell (Yogg-Saron)
if (m_spellInfo.Speed > 0.0f && unit.IsTypeId(TypeId.Player) && !m_spellInfo.IsPositive() && m_spellInfo.Id != 63881)
return SpellMissInfo.Evade;
// assisting case, healing and resurrection
if (unit.HasUnitState(UnitState.AttackPlayer))
{
m_caster.SetContestedPvP();
if (m_caster.IsTypeId(TypeId.Player))
m_caster.ToPlayer().UpdatePvP(true);
}
if (unit.IsInCombat() && m_spellInfo.HasInitialAggro())
{
m_caster.SetInCombatState(unit.GetCombatTimer() > 0, unit);
unit.getHostileRefManager().threatAssist(m_caster, 0.0f);
}
}
}
uint aura_effmask = 0;
foreach (SpellEffectInfo effect in GetEffects())
if (effect != null && (Convert.ToBoolean(effectMask & (1 << (int)effect.EffectIndex)) && effect.IsUnitOwnedAuraEffect()))
aura_effmask |= (1u << (int)effect.EffectIndex);
// Get Data Needed for Diminishing Returns, some effects may have multiple auras, so this must be done on spell hit, not aura add
DiminishingGroup diminishGroup = m_spellInfo.GetDiminishingReturnsGroupForSpell();
DiminishingLevels diminishLevel = DiminishingLevels.Level1;
if (diminishGroup != 0 && aura_effmask != 0)
{
diminishLevel = unit.GetDiminishing(diminishGroup);
DiminishingReturnsType type = m_spellInfo.GetDiminishingReturnsGroupType();
// Increase Diminishing on unit, current informations for actually casts will use values above
if ((type == DiminishingReturnsType.Player && (unit.GetCharmerOrOwnerPlayerOrPlayerItself()
|| (unit.IsCreature() && unit.ToCreature().GetCreatureTemplate().FlagsExtra.HasAnyFlag(CreatureFlagsExtra.AllDiminish))))
|| type == DiminishingReturnsType.All)
unit.IncrDiminishing(m_spellInfo);
}
if (aura_effmask != 0)
{
// Select rank for aura with level requirements only in specific cases
// Unit has to be target only of aura effect, both caster and target have to be players, target has to be other than unit target
SpellInfo aurSpellInfo = m_spellInfo;
int[] basePoints = new int[SpellConst.MaxEffects];
if (scaleAura)
{
aurSpellInfo = m_spellInfo.GetAuraRankForLevel(unitTarget.getLevel());
Contract.Assert(aurSpellInfo != null);
foreach (SpellEffectInfo effect in aurSpellInfo.GetEffectsForDifficulty(0))
{
if (effect == null)
continue;
basePoints[effect.EffectIndex] = effect.BasePoints;
SpellEffectInfo myEffect = GetEffect(effect.EffectIndex);
if (myEffect != null && myEffect.Effect != effect.Effect)
{
aurSpellInfo = m_spellInfo;
break;
}
}
}
if (m_originalCaster != null)
{
bool refresh = false;
bool resetPeriodicTimer = !_triggeredCastFlags.HasAnyFlag(TriggerCastFlags.DontResetPeriodicTimer);
m_spellAura = Aura.TryRefreshStackOrCreate(aurSpellInfo, m_castId, (byte)effectMask, unit,
m_originalCaster, out refresh, (aurSpellInfo == m_spellInfo) ? m_spellValue.EffectBasePoints : basePoints, m_CastItem, ObjectGuid.Empty, resetPeriodicTimer, ObjectGuid.Empty, m_castItemLevel);
if (m_spellAura != null)
{
// Set aura stack amount to desired value
if (m_spellValue.AuraStackAmount > 1)
{
if (!refresh)
m_spellAura.SetStackAmount(m_spellValue.AuraStackAmount);
else
m_spellAura.ModStackAmount(m_spellValue.AuraStackAmount);
}
// Now Reduce spell duration using data received at spell hit
int duration = m_spellAura.GetMaxDuration();
float diminishMod = unit.ApplyDiminishingToDuration(aurSpellInfo, ref duration, m_originalCaster, diminishLevel);
// unit is immune to aura if it was diminished to 0 duration
if (diminishMod == 0.0f)
{
m_spellAura.Remove();
bool found = false;
foreach (SpellEffectInfo effect in GetEffects())
if (effect != null && (Convert.ToBoolean(effectMask & (1 << (int)effect.EffectIndex)) && effect.Effect != SpellEffectName.ApplyAura))
found = true;
if (!found)
return SpellMissInfo.Immune;
}
else
{
((UnitAura)m_spellAura).SetDiminishGroup(diminishGroup);
bool positive = m_spellAura.GetSpellInfo().IsPositive();
AuraApplication aurApp = m_spellAura.GetApplicationOfTarget(m_originalCaster.GetGUID());
if (aurApp != null)
positive = aurApp.IsPositive();
duration = m_originalCaster.ModSpellDuration(aurSpellInfo, unit, duration, positive, effectMask);
if (duration > 0)
{
// Haste modifies duration of channeled spells
if (m_spellInfo.IsChanneled())
m_originalCaster.ModSpellDurationTime(aurSpellInfo, ref duration, this);
else if (m_spellInfo.HasAttribute(SpellAttr5.HasteAffectDuration))
{
int origDuration = duration;
duration = 0;
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect != null)
{
AuraEffect eff = m_spellAura.GetEffect(effect.EffectIndex);
if (eff != null)
{
int period = eff.GetPeriod();
if (period != 0) // period is hastened by UNIT_MOD_CAST_SPEED
duration = Math.Max(Math.Max(origDuration / period, 1) * period, duration);
}
}
}
// if there is no periodic effect
if (duration == 0)
duration = (int)(origDuration * m_originalCaster.GetFloatValue(UnitFields.ModCastSpeed));
}
}
if (duration != m_spellAura.GetMaxDuration())
{
m_spellAura.SetMaxDuration(duration);
m_spellAura.SetDuration(duration);
}
m_spellAura._RegisterForTargets();
}
}
}
}
foreach (SpellEffectInfo effect in GetEffects())
if (effect != null && Convert.ToBoolean(effectMask & (1 << (int)effect.EffectIndex)))
HandleEffects(unit, null, null, effect.EffectIndex, SpellEffectHandleMode.HitTarget);
return SpellMissInfo.None;
}
void DoTriggersOnSpellHit(Unit unit, uint effMask)
{
// Apply additional spell effects to target
/// @todo move this code to scripts
if (m_preCastSpell != 0)
{
// Paladin immunity shields
if (m_preCastSpell == 61988)
{
// Cast Forbearance
m_caster.CastSpell(unit, 25771, true);
// Cast Avenging Wrath Marker
unit.CastSpell(unit, 61987, true);
}
// Avenging Wrath
if (m_preCastSpell == 61987)
// Cast the serverside immunity shield marker
m_caster.CastSpell(unit, 61988, true);
if (Global.SpellMgr.GetSpellInfo(m_preCastSpell) != null)
// Blizz seems to just apply aura without bothering to cast
m_caster.AddAura(m_preCastSpell, unit);
}
// handle SPELL_AURA_ADD_TARGET_TRIGGER auras
// this is executed after spell proc spells on target hit
// spells are triggered for each hit spell target
// info confirmed with retail sniffs of permafrost and shadow weaving
if (!m_hitTriggerSpells.Empty())
{
int _duration = 0;
foreach (var hit in m_hitTriggerSpells)
{
if (CanExecuteTriggersOnHit(effMask, hit.triggeredByAura) && RandomHelper.randChance(hit.chance))
{
m_caster.CastSpell(unit, hit.triggeredSpell, true);
Log.outDebug(LogFilter.Spells, "Spell {0} triggered spell {1} by SPELL_AURA_ADD_TARGET_TRIGGER aura", m_spellInfo.Id, hit.triggeredSpell.Id);
// SPELL_AURA_ADD_TARGET_TRIGGER auras shouldn't trigger auras without duration
// set duration of current aura to the triggered spell
if (hit.triggeredSpell.GetDuration() == -1)
{
Aura triggeredAur = unit.GetAura(hit.triggeredSpell.Id, m_caster.GetGUID());
if (triggeredAur != null)
{
// get duration from aura-only once
if (_duration == 0)
{
Aura aur = unit.GetAura(m_spellInfo.Id, m_caster.GetGUID());
_duration = aur != null ? aur.GetDuration() : -1;
}
triggeredAur.SetDuration(_duration);
}
}
}
}
}
// trigger linked auras remove/apply
// @todo remove/cleanup this, as this table is not documented and people are doing stupid things with it
var spellTriggered = Global.SpellMgr.GetSpellLinked((int)m_spellInfo.Id + (int)SpellLinkedType.Hit);
if (spellTriggered != null)
{
foreach (var id in spellTriggered)
{
if (id < 0)
unit.RemoveAurasDueToSpell((uint)-(id));
else
unit.CastSpell(unit, (uint)id, true, null, null, m_caster.GetGUID());
}
}
}
void DoAllEffectOnTarget(GOTargetInfo target)
{
if (target.processed) // Check target
return;
target.processed = true; // Target checked in apply effects procedure
uint effectMask = target.effectMask;
if (effectMask == 0)
return;
GameObject go = m_caster.GetMap().GetGameObject(target.targetGUID);
if (go == null)
return;
PrepareScriptHitHandlers();
CallScriptBeforeHitHandlers(SpellMissInfo.None);
foreach (SpellEffectInfo effect in GetEffects())
if (effect != null && Convert.ToBoolean(effectMask & (1 << (int)effect.EffectIndex)))
HandleEffects(null, null, go, effect.EffectIndex, SpellEffectHandleMode.HitTarget);
CallScriptOnHitHandlers();
CallScriptAfterHitHandlers();
}
void DoAllEffectOnTarget(ItemTargetInfo target)
{
uint effectMask = target.effectMask;
if (target.item == null || effectMask == 0)
return;
PrepareScriptHitHandlers();
CallScriptBeforeHitHandlers(SpellMissInfo.None);
foreach (SpellEffectInfo effect in GetEffects())
if (effect != null && Convert.ToBoolean(effectMask & (1 << (int)effect.EffectIndex)))
HandleEffects(null, target.item, null, effect.EffectIndex, SpellEffectHandleMode.HitTarget);
CallScriptOnHitHandlers();
CallScriptAfterHitHandlers();
}
bool UpdateChanneledTargetList()
{
// Not need check return true
if (m_channelTargetEffectMask == 0)
return true;
uint channelTargetEffectMask = m_channelTargetEffectMask;
uint channelAuraMask = 0;
foreach (SpellEffectInfo effect in GetEffects())
if (effect != null && effect.Effect == SpellEffectName.ApplyAura)
channelAuraMask |= (1u << (int)effect.EffectIndex);
channelAuraMask &= channelTargetEffectMask;
float range = 0;
if (channelAuraMask != 0)
{
range = m_spellInfo.GetMaxRange(m_spellInfo.IsPositive());
Player modOwner = m_caster.GetSpellModOwner();
if (modOwner != null)
modOwner.ApplySpellMod(m_spellInfo.Id, SpellModOp.Range, ref range, this);
}
foreach (var ihit in m_UniqueTargetInfo)
{
if (ihit.missCondition == SpellMissInfo.None && Convert.ToBoolean(channelTargetEffectMask & ihit.effectMask))
{
Unit unit = m_caster.GetGUID() == ihit.targetGUID ? m_caster : Global.ObjAccessor.GetUnit(m_caster, ihit.targetGUID);
if (unit == null)
continue;
if (IsValidDeadOrAliveTarget(unit))
{
if (Convert.ToBoolean(channelAuraMask & ihit.effectMask))
{
var b = unit.GetGUID();
AuraApplication aurApp = unit.GetAuraApplication(m_spellInfo.Id, m_originalCasterGUID);
if (aurApp != null)
{
if (m_caster != unit && !m_caster.IsWithinDistInMap(unit, range))
{
ihit.effectMask &= ~aurApp.GetEffectMask();
unit.RemoveAura(aurApp);
continue;
}
}
else // aura is dispelled
continue;
}
channelTargetEffectMask &= (byte)~ihit.effectMask; // remove from need alive mask effect that have alive target
}
}
}
// is all effects from m_needAliveTargetMask have alive targets
return channelTargetEffectMask == 0;
}
public void prepare(SpellCastTargets targets, AuraEffect triggeredByAura = null)
{
if (m_CastItem != null)
{
m_castItemGUID = m_CastItem.GetGUID();
m_castItemEntry = m_CastItem.GetEntry();
Player owner = m_CastItem.GetOwner();
if (owner)
m_castItemLevel = (int)m_CastItem.GetItemLevel(owner);
else if (m_CastItem.GetOwnerGUID() == m_caster.GetGUID())
m_castItemLevel = (int)m_CastItem.GetItemLevel(m_caster.ToPlayer());
else
{
SendCastResult(SpellCastResult.EquippedItem);
finish(false);
return;
}
}
InitExplicitTargets(targets);
// Fill aura scaling information
if (m_caster.IsControlledByPlayer() && !m_spellInfo.IsPassive() && m_spellInfo.SpellLevel != 0 && !m_spellInfo.IsChanneled() && !Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreAuraScaling))
{
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect != null && effect.Effect == SpellEffectName.ApplyAura)
{
// Change aura with ranks only if basepoints are taken from spellInfo and aura is positive
if (m_spellInfo.IsPositiveEffect(effect.EffectIndex))
{
m_auraScaleMask |= (byte)(1 << (int)effect.EffectIndex);
if (m_spellValue.EffectBasePoints[effect.EffectIndex] != effect.BasePoints)
{
m_auraScaleMask = 0;
break;
}
}
}
}
}
m_spellState = SpellState.Preparing;
if (triggeredByAura != null)
{
m_triggeredByAuraSpell = triggeredByAura.GetSpellInfo();
m_castItemLevel = triggeredByAura.GetBase().GetCastItemLevel();
}
// create and add update event for this spell
SpellEvent Event = new SpellEvent(this);
m_caster.m_Events.AddEvent(Event, m_caster.m_Events.CalculateTime(1));
//Prevent casting at cast another spell (ServerSide check)
if (!Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreCastInProgress) && m_caster.IsNonMeleeSpellCast(false, true, true) && !m_castId.IsEmpty())
{
SendCastResult(SpellCastResult.SpellInProgress);
finish(false);
return;
}
if (Global.DisableMgr.IsDisabledFor(DisableType.Spell, m_spellInfo.Id, m_caster))
{
SendCastResult(SpellCastResult.SpellUnavailable);
finish(false);
return;
}
LoadScripts();
if (m_caster.IsTypeId(TypeId.Player))
m_caster.ToPlayer().SetSpellModTakingSpell(this, true);
// Fill cost data (not use power for item casts
if (!m_CastItem)
m_powerCost = m_spellInfo.CalcPowerCost(m_caster, m_spellSchoolMask);
if (m_caster.IsTypeId(TypeId.Player))
m_caster.ToPlayer().SetSpellModTakingSpell(this, false);
// Set combo point requirement
if (Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreComboPoints) || m_CastItem != null || m_caster.m_playerMovingMe == null)
m_needComboPoints = false;
SpellCastResult result = CheckCast(true);
// target is checked in too many locations and with different results to handle each of them
// handle just the general SPELL_FAILED_BAD_TARGETS result which is the default result for most DBC target checks
if (Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreTargetCheck) && result == SpellCastResult.BadTargets)
result = SpellCastResult.SpellCastOk;
if (result != SpellCastResult.SpellCastOk && !IsAutoRepeat()) //always cast autorepeat dummy for triggering
{
// Periodic auras should be interrupted when aura triggers a spell which can't be cast
// for example bladestorm aura should be removed on disarm as of patch 3.3.5
// channeled periodic spells should be affected by this (arcane missiles, penance, etc)
// a possible alternative sollution for those would be validating aura target on unit state change
if (triggeredByAura != null && triggeredByAura.IsPeriodic() && !triggeredByAura.GetBase().IsPassive())
{
SendChannelUpdate(0);
triggeredByAura.GetBase().SetDuration(0);
}
if (m_caster.IsTypeId(TypeId.Player))
{
m_caster.ToPlayer().RestoreSpellMods(this);
// cleanup after mod system
// triggered spell pointer can be not removed in some cases
m_caster.ToPlayer().SetSpellModTakingSpell(this, false);
}
SendCastResult(result);
finish(false);
return;
}
// Prepare data for triggers
prepareDataForTriggerSystem();
if (m_caster.IsTypeId(TypeId.Player))
{
if (!m_caster.ToPlayer().GetCommandStatus(PlayerCommandStates.Casttime))
{
m_caster.ToPlayer().SetSpellModTakingSpell(this, true);
m_casttime = m_spellInfo.CalcCastTime(m_caster.getLevel(), this);
m_caster.ToPlayer().SetSpellModTakingSpell(this, false);
}
else
m_casttime = 0;
}
else
m_casttime = m_spellInfo.CalcCastTime(m_caster.getLevel(), this);
if (m_caster.IsTypeId(TypeId.Unit) && !m_caster.HasFlag(UnitFields.Flags, UnitFlags.PlayerControlled)) // _UNIT actually means creature. for some reason.
{
if (!(IsNextMeleeSwingSpell() || IsAutoRepeat() || _triggeredCastFlags.HasAnyFlag(TriggerCastFlags.IgnoreSetFacing)))
{
if (m_targets.GetObjectTarget() && m_caster != m_targets.GetObjectTarget())
m_caster.ToCreature().FocusTarget(this, m_targets.GetObjectTarget());
else if (m_spellInfo.HasAttribute(SpellAttr5.DontTurnDuringCast))
m_caster.ToCreature().FocusTarget(this, null);
}
}
// don't allow channeled spells / spells with cast time to be casted while moving
// exception are only channeled spells that have no casttime and SPELL_ATTR5_CAN_CHANNEL_WHEN_MOVING
// (even if they are interrupted on moving, spells with almost immediate effect get to have their effect processed before movement interrupter kicks in)
// don't cancel spells which are affected by a SPELL_AURA_CAST_WHILE_WALKING effect
if (((m_spellInfo.IsChanneled() || m_casttime != 0) && m_caster.IsTypeId(TypeId.Player) && !(m_caster.IsCharmed() && m_caster.GetCharmerGUID().IsCreature()) && m_caster.isMoving() &&
m_spellInfo.InterruptFlags.HasAnyFlag(SpellInterruptFlags.Movement) && !m_caster.HasAuraTypeWithAffectMask(AuraType.CastWhileWalking, m_spellInfo)))
{
// 1. Is a channel spell, 2. Has no casttime, 3. And has flag to allow movement during channel
if (!(m_spellInfo.IsChanneled() && m_casttime == 0 && m_spellInfo.HasAttribute(SpellAttr5.CanChannelWhenMoving)))
{
SendCastResult(SpellCastResult.Moving);
finish(false);
return;
}
}
// set timer base at cast time
ReSetTimer();
Log.outDebug(LogFilter.Spells, "Spell.prepare: spell id {0} source {1} caster {2} customCastFlags {3} mask {4}", m_spellInfo.Id, m_caster.GetEntry(), m_originalCaster != null ? (int)m_originalCaster.GetEntry() : -1, _triggeredCastFlags, m_targets.GetTargetMask());
//Containers for channeled spells have to be set
// @todoApply this to all casted spells if needed
// Why check duration? 29350: channelled triggers channelled
if (_triggeredCastFlags.HasAnyFlag(TriggerCastFlags.CastDirectly) && (!m_spellInfo.IsChanneled() || m_spellInfo.GetMaxDuration() == 0))
cast(true);
else
{
// stealth must be removed at cast starting (at show channel bar)
// skip triggered spell (item equip spell casting and other not explicit character casts/item uses)
if (!_triggeredCastFlags.HasAnyFlag(TriggerCastFlags.IgnoreAuraInterruptFlags) && m_spellInfo.IsBreakingStealth())
{
m_caster.RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.Cast);
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect != null && effect.GetUsedTargetObjectType() == SpellTargetObjectTypes.Unit)
{
m_caster.RemoveAurasWithInterruptFlags(SpellAuraInterruptFlags.SpellAttack);
break;
}
}
}
m_caster.SetCurrentCastSpell(this);
SendSpellStart();
if (!_triggeredCastFlags.HasAnyFlag(TriggerCastFlags.IgnoreGCD))
TriggerGlobalCooldown();
//item: first cast may destroy item and second cast causes crash
if (m_casttime == 0 && m_spellInfo.StartRecoveryTime == 0 && m_castItemGUID.IsEmpty() && GetCurrentContainer() == CurrentSpellTypes.Generic)
cast(true);
}
}
public void cancel()
{
if (m_spellState == SpellState.Finished)
return;
SpellState oldState = m_spellState;
m_spellState = SpellState.Finished;
m_autoRepeat = false;
switch (oldState)
{
case SpellState.Preparing:
CancelGlobalCooldown();
if (m_caster.IsTypeId(TypeId.Player))
m_caster.ToPlayer().RestoreSpellMods(this);
goto case SpellState.Delayed;
case SpellState.Delayed:
SendInterrupted(0);
SendCastResult(SpellCastResult.Interrupted);
break;
case SpellState.Casting:
foreach (var ihit in m_UniqueTargetInfo)
{
if (ihit.missCondition == SpellMissInfo.None)
{
Unit unit = m_caster.GetGUID() == ihit.targetGUID ? m_caster : Global.ObjAccessor.GetUnit(m_caster, ihit.targetGUID);
if (unit != null)
unit.RemoveOwnedAura(m_spellInfo.Id, m_originalCasterGUID, 0, AuraRemoveMode.Cancel);
}
}
SendChannelUpdate(0);
SendInterrupted(0);
SendCastResult(SpellCastResult.Interrupted);
m_appliedMods.Clear();
break;
default:
break;
}
SetReferencedFromCurrent(false);
if (m_selfContainer != null && m_selfContainer == this)
m_selfContainer = null;
m_caster.RemoveDynObject(m_spellInfo.Id);
if (m_spellInfo.IsChanneled()) // if not channeled then the object for the current cast wasn't summoned yet
m_caster.RemoveGameObject(m_spellInfo.Id, true);
//set state back so finish will be processed
m_spellState = oldState;
finish(false);
}
public void cast(bool skipCheck = false)
{
if (!UpdatePointers())
{
// cancel the spell if UpdatePointers() returned false, something wrong happened there
cancel();
return;
}
// cancel at lost explicit target during cast
if (!m_targets.GetObjectTargetGUID().IsEmpty() && m_targets.GetObjectTarget() == null)
{
cancel();
return;
}
Player playerCaster = m_caster.ToPlayer();
if (playerCaster != null)
{
// now that we've done the basic check, now run the scripts
// should be done before the spell is actually executed
Global.ScriptMgr.OnPlayerSpellCast(playerCaster, this, skipCheck);
// As of 3.0.2 pets begin attacking their owner's target immediately
// Let any pets know we've attacked something. Check DmgClass for harmful spells only
// This prevents spells such as Hunter's Mark from triggering pet attack
if (m_spellInfo.DmgClass != SpellDmgClass.None)
{
Pet playerPet = playerCaster.GetPet();
if (playerPet != null)
if (playerPet.IsAlive() && playerPet.isControlled() && Convert.ToBoolean(m_targets.GetTargetMask() & SpellCastTargetFlags.Unit))
playerPet.GetAI().OwnerAttacked(m_targets.GetUnitTarget());
}
}
SetExecutedCurrently(true);
if (!Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreSetFacing))
if (m_caster.IsTypeId(TypeId.Unit) && m_targets.GetObjectTarget() != null && m_caster != m_targets.GetObjectTarget())
m_caster.SetInFront(m_targets.GetObjectTarget());
// Should this be done for original caster?
if (m_caster.IsTypeId(TypeId.Player))
{
// Set spell which will drop charges for triggered cast spells
// if not successfully casted, will be remove in finish(false)
m_caster.ToPlayer().SetSpellModTakingSpell(this, true);
}
CallScriptBeforeCastHandlers();
// skip check if done already (for instant cast spells for example)
if (!skipCheck)
{
SpellCastResult castResult = CheckCast(false);
if (castResult != SpellCastResult.SpellCastOk)
{
SendCastResult(castResult);
SendInterrupted(0);
//restore spell mods
if (m_caster.IsTypeId(TypeId.Player))
{
m_caster.ToPlayer().RestoreSpellMods(this);
// cleanup after mod system
m_caster.ToPlayer().SetSpellModTakingSpell(this, false);
}
finish(false);
SetExecutedCurrently(false);
return;
}
// additional check after cast bar completes (must not be in CheckCast)
// if trade not complete then remember it in trade data
if (Convert.ToBoolean(m_targets.GetTargetMask() & SpellCastTargetFlags.TradeItem))
{
if (m_caster.IsTypeId(TypeId.Player))
{
TradeData my_trade = m_caster.ToPlayer().GetTradeData();
if (my_trade != null)
{
if (!my_trade.IsInAcceptProcess())
{
// Spell will be casted at completing the trade. Silently ignore at this place
my_trade.SetSpell(m_spellInfo.Id, m_CastItem);
SendCastResult(SpellCastResult.DontReport);
SendInterrupted(0);
m_caster.ToPlayer().RestoreSpellMods(this);
// cleanup after mod system
m_caster.ToPlayer().SetSpellModTakingSpell(this, false);
finish(false);
SetExecutedCurrently(false);
return;
}
}
}
}
}
// if the spell allows the creature to turn while casting, then adjust server-side orientation to face the target now
// client-side orientation is handled by the client itself, as the cast target is targeted due to Creature::FocusTarget
if (m_caster.IsTypeId(TypeId.Unit) && !m_caster.HasFlag(UnitFields.Flags, UnitFlags.PlayerControlled))
{
if (!m_spellInfo.HasAttribute(SpellAttr5.DontTurnDuringCast))
{
WorldObject objTarget = m_targets.GetObjectTarget();
if (objTarget != null)
m_caster.SetInFront(objTarget);
}
}
SelectSpellTargets();
// Spell may be finished after target map check
if (m_spellState == SpellState.Finished)
{
SendInterrupted(0);
//restore spell mods
if (m_caster.IsTypeId(TypeId.Player))
{
m_caster.ToPlayer().RestoreSpellMods(this);
// cleanup after mod system
m_caster.ToPlayer().SetSpellModTakingSpell(this, false);
}
finish(false);
SetExecutedCurrently(false);
return;
}
if (m_spellInfo.HasAttribute(SpellAttr1.DismissPet))
{
Creature pet = ObjectAccessor.GetCreature(m_caster, m_caster.GetPetGUID());
if (pet)
pet.DespawnOrUnsummon();
}
PrepareTriggersExecutedOnHit();
CallScriptOnCastHandlers();
// traded items have trade slot instead of guid in m_itemTargetGUID
// set to real guid to be sent later to the client
m_targets.UpdateTradeSlotItem();
Player player = m_caster.ToPlayer();
if (player != null)
{
if (!Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreCastItem) && m_CastItem != null)
{
player.StartCriteriaTimer(CriteriaTimedTypes.Item, m_CastItem.GetEntry());
player.UpdateCriteria(CriteriaTypes.UseItem, m_CastItem.GetEntry());
}
player.UpdateCriteria(CriteriaTypes.CastSpell, m_spellInfo.Id);
}
Item targetItem = m_targets.GetItemTarget();
if (!Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnorePowerAndReagentCost))
{
// Powers have to be taken before SendSpellGo
TakePower();
TakeReagents(); // we must remove reagents before HandleEffects to allow place crafted item in same slot
}
else if (targetItem != null)
{
// Not own traded item (in trader trade slot) req. reagents including triggered spell case
if (targetItem.GetOwnerGUID() != m_caster.GetGUID())
TakeReagents();
}
// CAST SPELL
SendSpellCooldown();
PrepareScriptHitHandlers();
HandleLaunchPhase();
// we must send smsg_spell_go packet before m_castItem delete in TakeCastItem()...
SendSpellGo();
// Okay, everything is prepared. Now we need to distinguish between immediate and evented delayed spells
if ((m_spellInfo.Speed > 0.0f && !m_spellInfo.IsChanneled()) || m_spellInfo.HasAttribute(SpellAttr4.Unk4))
{
// Remove used for cast item if need (it can be already NULL after TakeReagents call
// in case delayed spell remove item at cast delay start
TakeCastItem();
// Okay, maps created, now prepare flags
m_immediateHandled = false;
m_spellState = SpellState.Delayed;
SetDelayStart(0);
if (m_caster.HasUnitState(UnitState.Casting) && !m_caster.IsNonMeleeSpellCast(false, false, true))
m_caster.ClearUnitState(UnitState.Casting);
}
else
{
// Immediate spell, no big deal
handle_immediate();
}
CallScriptAfterCastHandlers();
var spell_triggered = Global.SpellMgr.GetSpellLinked((int)m_spellInfo.Id);
if (spell_triggered != null)
{
foreach (var spellId in spell_triggered)
{
if (spellId < 0)
m_caster.RemoveAurasDueToSpell((uint)-spellId);
else
m_caster.CastSpell(m_targets.GetUnitTarget() ?? m_caster, (uint)spellId, true);
}
}
if (m_caster.IsTypeId(TypeId.Player))
{
m_caster.ToPlayer().SetSpellModTakingSpell(this, false);
//Clear spell cooldowns after every spell is cast if .cheat cooldown is enabled.
if (m_caster.ToPlayer().GetCommandStatus(PlayerCommandStates.Cooldown))
{
m_caster.GetSpellHistory().ResetCooldown(m_spellInfo.Id, true);
m_caster.GetSpellHistory().RestoreCharge(m_spellInfo.ChargeCategoryId);
}
}
SetExecutedCurrently(false);
Creature creatureCaster = m_caster.ToCreature();
if (creatureCaster)
creatureCaster.ReleaseFocus(this);
if (!m_originalCaster)
return;
// Handle procs on cast
ProcFlags procAttacker = m_procAttacker;
if (procAttacker == 0)
{
if (m_spellInfo.DmgClass == SpellDmgClass.Magic)
procAttacker = m_spellInfo.IsPositive() ? ProcFlags.DoneSpellMagicDmgClassPos : ProcFlags.DoneSpellMagicDmgClassNeg;
else
procAttacker = m_spellInfo.IsPositive() ? ProcFlags.DoneSpellNoneDmgClassPos : ProcFlags.DoneSpellNoneDmgClassNeg;
}
ProcFlagsHit hitMask = m_hitMask;
if (!hitMask.HasAnyFlag(ProcFlagsHit.Critical))
hitMask |= ProcFlagsHit.Normal;
m_originalCaster.ProcSkillsAndAuras(null, procAttacker, ProcFlags.None, ProcFlagsSpellType.MaskAll, ProcFlagsSpellPhase.Cast, hitMask, this, null, null);
}
void handle_immediate()
{
// start channeling if applicable
if (m_spellInfo.IsChanneled())
{
int duration = m_spellInfo.GetDuration();
if (duration > 0)
{
// First mod_duration then haste - see Missile Barrage
// Apply duration mod
Player modOwner = m_caster.GetSpellModOwner();
if (modOwner != null)
modOwner.ApplySpellMod(m_spellInfo.Id, SpellModOp.Duration, ref duration);
// Apply haste mods
m_caster.ModSpellDurationTime(m_spellInfo, ref duration, this);
m_spellState = SpellState.Casting;
m_caster.AddInterruptMask((uint)m_spellInfo.ChannelInterruptFlags);
SendChannelStart((uint)duration);
}
else if (duration == -1)
{
m_spellState = SpellState.Casting;
m_caster.AddInterruptMask((uint)m_spellInfo.ChannelInterruptFlags);
SendChannelStart((uint)duration);
}
}
PrepareTargetProcessing();
// process immediate effects (items, ground, etc.) also initialize some variables
_handle_immediate_phase();
foreach (var ihit in m_UniqueTargetInfo)
DoAllEffectOnTarget(ihit);
foreach (var ihit in m_UniqueGOTargetInfo)
DoAllEffectOnTarget(ihit);
FinishTargetProcessing();
// spell is finished, perform some last features of the spell here
_handle_finish_phase();
// Remove used for cast item if need (it can be already NULL after TakeReagents call
TakeCastItem();
if (m_spellState != SpellState.Casting)
finish(true); // successfully finish spell cast (not last in case autorepeat or channel spell)
}
public ulong handle_delayed(ulong t_offset)
{
if (!UpdatePointers())
{
// finish the spell if UpdatePointers() returned false, something wrong happened there
finish(false);
return 0;
}
if (m_caster.IsTypeId(TypeId.Player))
m_caster.ToPlayer().SetSpellModTakingSpell(this, true);
ulong next_time = 0;
PrepareTargetProcessing();
if (!m_immediateHandled)
{
_handle_immediate_phase();
m_immediateHandled = true;
}
bool single_missile = m_targets.HasDst();
// now recheck units targeting correctness (need before any effects apply to prevent adding immunity at first effect not allow apply second spell effect and similar cases)
foreach (var ihit in m_UniqueTargetInfo)
{
if (!ihit.processed)
{
if (single_missile || ihit.timeDelay <= t_offset)
{
ihit.timeDelay = t_offset;
DoAllEffectOnTarget(ihit);
}
else if (next_time == 0 || ihit.timeDelay < next_time)
next_time = ihit.timeDelay;
}
}
// now recheck gameobject targeting correctness
foreach (var ighit in m_UniqueGOTargetInfo)
{
if (!ighit.processed)
{
if (single_missile || ighit.timeDelay <= t_offset)
DoAllEffectOnTarget(ighit);
else if (next_time == 0 || ighit.timeDelay < next_time)
next_time = ighit.timeDelay;
}
}
FinishTargetProcessing();
if (m_caster.IsTypeId(TypeId.Player))
m_caster.ToPlayer().SetSpellModTakingSpell(this, false);
// All targets passed - need finish phase
if (next_time == 0)
{
// spell is finished, perform some last features of the spell here
_handle_finish_phase();
finish(true); // successfully finish spell cast
// return zero, spell is finished now
return 0;
}
else
{
// spell is unfinished, return next execution time
return next_time;
}
}
void _handle_immediate_phase()
{
m_spellAura = null;
// handle some immediate features of the spell here
HandleThreatSpells();
PrepareScriptHitHandlers();
// handle effects with SPELL_EFFECT_HANDLE_HIT mode
foreach (SpellEffectInfo effect in GetEffects())
{
// don't do anything for empty effect
if (effect == null || !effect.IsEffect())
continue;
// call effect handlers to handle destination hit
HandleEffects(null, null, null, effect.EffectIndex, SpellEffectHandleMode.Hit);
}
// process items
foreach (var ihit in m_UniqueItemInfo)
DoAllEffectOnTarget(ihit);
}
void _handle_finish_phase()
{
if (m_caster.m_playerMovingMe != null)
{
// Take for real after all targets are processed
if (m_needComboPoints)
m_caster.m_playerMovingMe.ClearComboPoints();
// Real add combo points from effects
if (m_comboPointGain != 0)
m_caster.m_playerMovingMe.GainSpellComboPoints(m_comboPointGain);
}
if (m_caster.m_extraAttacks != 0 && m_spellInfo.HasEffect(SpellEffectName.AddExtraAttacks))
{
Unit victim = Global.ObjAccessor.GetUnit(m_caster, m_targets.GetOrigUnitTargetGUID());
if (victim)
m_caster.HandleProcExtraAttackFor(victim);
else
m_caster.m_extraAttacks = 0;
}
// Handle procs on finish
if (!m_originalCaster)
return;
ProcFlags procAttacker = m_procAttacker;
if (procAttacker == 0)
{
if (m_spellInfo.DmgClass == SpellDmgClass.Magic)
procAttacker = m_spellInfo.IsPositive() ? ProcFlags.DoneSpellMagicDmgClassPos : ProcFlags.DoneSpellMagicDmgClassNeg;
else
procAttacker = m_spellInfo.IsPositive() ? ProcFlags.DoneSpellNoneDmgClassPos : ProcFlags.DoneSpellNoneDmgClassNeg;
}
ProcFlagsHit hitMask = m_hitMask;
if (!hitMask.HasAnyFlag(ProcFlagsHit.Critical))
hitMask |= ProcFlagsHit.Normal;
m_originalCaster.ProcSkillsAndAuras(null, procAttacker, ProcFlags.None, ProcFlagsSpellType.MaskAll, ProcFlagsSpellPhase.Finish, hitMask, this, null, null);
}
void SendSpellCooldown()
{
if (m_CastItem)
m_caster.GetSpellHistory().HandleCooldowns(m_spellInfo, m_CastItem, this);
else
m_caster.GetSpellHistory().HandleCooldowns(m_spellInfo, m_castItemEntry, this);
}
public void update(uint difftime)
{
if (!UpdatePointers())
{
// cancel the spell if UpdatePointers() returned false, something wrong happened there
cancel();
return;
}
if (!m_targets.GetUnitTargetGUID().IsEmpty() && m_targets.GetUnitTarget() == null)
{
Log.outDebug(LogFilter.Spells, "Spell {0} is cancelled due to removal of target.", m_spellInfo.Id);
cancel();
return;
}
// check if the player caster has moved before the spell finished
// with the exception of spells affected with SPELL_AURA_CAST_WHILE_WALKING effect
SpellEffectInfo effect = GetEffect(0);
if ((m_caster.IsTypeId(TypeId.Player) && m_timer != 0) &&
m_caster.isMoving() && m_spellInfo.InterruptFlags.HasAnyFlag(SpellInterruptFlags.Movement) &&
((effect != null && effect.Effect != SpellEffectName.Stuck) || !m_caster.HasUnitMovementFlag(MovementFlag.FallingFar)) &&
!m_caster.HasAuraTypeWithAffectMask(AuraType.CastWhileWalking, m_spellInfo))
{
// don't cancel for melee, autorepeat, triggered and instant spells
if (!IsNextMeleeSwingSpell() && !IsAutoRepeat() && !IsTriggered() && !(IsChannelActive() && m_spellInfo.HasAttribute(SpellAttr5.CanChannelWhenMoving)))
{
// if charmed by creature, trust the AI not to cheat and allow the cast to proceed
// @todo this is a hack, "creature" movesplines don't differentiate turning/moving right now
// however, checking what type of movement the spline is for every single spline would be really expensive
if (!m_caster.GetCharmerGUID().IsCreature())
cancel();
}
}
switch (m_spellState)
{
case SpellState.Preparing:
{
if (m_timer > 0)
{
if (difftime >= m_timer)
m_timer = 0;
else
m_timer -= (int)difftime;
}
if (m_timer == 0 && !IsNextMeleeSwingSpell() && !IsAutoRepeat())
// don't CheckCast for instant spells - done in spell.prepare, skip duplicate checks, needed for range checks for example
cast(m_casttime == 0);
break;
}
case SpellState.Casting:
{
if (m_timer != 0)
{
// check if there are alive targets left
if (!UpdateChanneledTargetList())
{
Log.outDebug(LogFilter.Spells, "Channeled spell {0} is removed due to lack of targets", m_spellInfo.Id);
m_timer = 0;
// Also remove applied auras
foreach (TargetInfo target in m_UniqueTargetInfo)
{
Unit unit = m_caster.GetGUID() == target.targetGUID ? m_caster : Global.ObjAccessor.GetUnit(m_caster, target.targetGUID);
if (unit)
unit.RemoveOwnedAura(m_spellInfo.Id, m_originalCasterGUID, 0, AuraRemoveMode.Cancel);
}
}
if (m_timer > 0)
{
if (difftime >= m_timer)
m_timer = 0;
else
m_timer -= (int)difftime;
}
}
if (m_timer == 0)
{
SendChannelUpdate(0);
finish();
}
break;
}
default:
break;
}
}
public void finish(bool ok = true)
{
if (!m_caster)
return;
if (m_spellState == SpellState.Finished)
return;
m_spellState = SpellState.Finished;
if (m_spellInfo.IsChanneled())
m_caster.UpdateInterruptMask();
if (m_caster.HasUnitState(UnitState.Casting) && !m_caster.IsNonMeleeSpellCast(false, false, true))
m_caster.ClearUnitState(UnitState.Casting);
// Unsummon summon as possessed creatures on spell cancel
if (m_spellInfo.IsChanneled() && m_caster.IsTypeId(TypeId.Player))
{
Unit charm = m_caster.GetCharm();
if (charm != null)
if (charm.IsTypeId(TypeId.Unit) && charm.ToCreature().HasUnitTypeMask(UnitTypeMask.Puppet)
&& charm.GetUInt32Value(UnitFields.CreatedBySpell) == m_spellInfo.Id)
((Puppet)charm).UnSummon();
}
if (m_caster.IsTypeId(TypeId.Unit))
m_caster.ToCreature().ReleaseFocus(this);
if (!ok)
return;
if (m_caster.IsTypeId(TypeId.Unit) && m_caster.ToCreature().IsSummon())
{
// Unsummon statue
uint spell = m_caster.GetUInt32Value(UnitFields.CreatedBySpell);
SpellInfo spellInfo = Global.SpellMgr.GetSpellInfo(spell);
if (spellInfo != null && spellInfo.IconFileDataId == 134230)
{
Log.outDebug(LogFilter.Spells, "Statue {0} is unsummoned in spell {1} finish", m_caster.GetGUID().ToString(), m_spellInfo.Id);
m_caster.setDeathState(DeathState.JustDied);
return;
}
}
if (IsAutoActionResetSpell())
{
bool found = false;
var vIgnoreReset = m_caster.GetAuraEffectsByType(AuraType.IgnoreMeleeReset);
foreach (var i in vIgnoreReset)
{
if (i.IsAffectingSpell(m_spellInfo))
{
found = true;
break;
}
}
if (!found && !m_spellInfo.HasAttribute(SpellAttr2.NotResetAutoActions))
{
m_caster.resetAttackTimer(WeaponAttackType.BaseAttack);
if (m_caster.haveOffhandWeapon())
m_caster.resetAttackTimer(WeaponAttackType.OffAttack);
m_caster.resetAttackTimer(WeaponAttackType.RangedAttack);
}
}
// potions disabled by client, send event "not in combat" if need
if (m_caster.IsTypeId(TypeId.Player))
{
if (m_triggeredByAuraSpell == null)
m_caster.ToPlayer().UpdatePotionCooldown(this);
}
// Stop Attack for some spells
if (m_spellInfo.HasAttribute(SpellAttr0.StopAttackTarget))
m_caster.AttackStop();
}
static void FillSpellCastFailedArgs<T>(T packet, ObjectGuid castId, SpellInfo spellInfo, SpellCastResult result, SpellCustomErrors customError, uint[] misc, Player caster) where T : CastFailedBase
{
packet.CastID = castId;
packet.SpellID = (int)spellInfo.Id;
packet.Reason = result;
switch (result)
{
case SpellCastResult.NotReady:
packet.FailedArg1 = 0; // unknown (value 1 update cooldowns on client flag)
break;
case SpellCastResult.RequiresSpellFocus:
packet.FailedArg1 = (int)spellInfo.RequiresSpellFocus; // SpellFocusObject.dbc id
break;
case SpellCastResult.RequiresArea: // AreaTable.dbc id
// hardcode areas limitation case
switch (spellInfo.Id)
{
case 41617: // Cenarion Mana Salve
case 41619: // Cenarion Healing Salve
packet.FailedArg1 = 3905;
break;
case 41618: // Bottled Nethergon Energy
case 41620: // Bottled Nethergon Vapor
packet.FailedArg1 = 3842;
break;
case 45373: // Bloodberry Elixir
packet.FailedArg1 = 4075;
break;
default: // default case (don't must be)
packet.FailedArg1 = 0;
break;
}
break;
case SpellCastResult.Totems:
if (spellInfo.Totem[0] != 0)
packet.FailedArg1 = (int)spellInfo.Totem[0];
if (spellInfo.Totem[1] != 0)
packet.FailedArg2 = (int)spellInfo.Totem[1];
break;
case SpellCastResult.TotemCategory:
if (spellInfo.TotemCategory[0] != 0)
packet.FailedArg1 = (int)spellInfo.TotemCategory[0];
if (spellInfo.TotemCategory[1] != 0)
packet.FailedArg2 = (int)spellInfo.TotemCategory[1];
break;
case SpellCastResult.EquippedItemClass:
case SpellCastResult.EquippedItemClassMainhand:
case SpellCastResult.EquippedItemClassOffhand:
packet.FailedArg1 = (int)spellInfo.EquippedItemClass;
packet.FailedArg2 = spellInfo.EquippedItemSubClassMask;
break;
case SpellCastResult.TooManyOfItem:
{
uint item = 0;
foreach (SpellEffectInfo effect in spellInfo.GetEffectsForDifficulty(caster.GetMap().GetDifficultyID()))
if (effect.ItemType != 0)
item = effect.ItemType;
ItemTemplate proto = Global.ObjectMgr.GetItemTemplate(item);
if (proto != null && proto.GetItemLimitCategory() != 0)
packet.FailedArg1 = (int)proto.GetItemLimitCategory();
break;
}
case SpellCastResult.PreventedByMechanic:
packet.FailedArg1 = (int)spellInfo.GetAllEffectsMechanicMask(); // SpellMechanic.dbc id
break;
case SpellCastResult.NeedExoticAmmo:
packet.FailedArg1 = spellInfo.EquippedItemSubClassMask; // seems correct...
break;
case SpellCastResult.NeedMoreItems:
packet.FailedArg1 = 0; // Item id
packet.FailedArg2 = 0; // Item count?
break;
case SpellCastResult.MinSkill:
packet.FailedArg1 = 0; // SkillLine.dbc id
packet.FailedArg2 = 0; // required skill value
break;
case SpellCastResult.FishingTooLow:
packet.FailedArg1 = 0; // required fishing skill
break;
case SpellCastResult.CustomError:
packet.FailedArg1 = (int)customError;
break;
case SpellCastResult.Silenced:
packet.FailedArg1 = 0; // Unknown
break;
case SpellCastResult.Reagents:
{
uint missingItem = 0;
for (uint i = 0; i < SpellConst.MaxReagents; i++)
{
if (spellInfo.Reagent[i] <= 0)
continue;
uint itemid = (uint)spellInfo.Reagent[i];
uint itemcount = spellInfo.ReagentCount[i];
if (!caster.HasItemCount(itemid, itemcount))
{
missingItem = itemid;
break;
}
}
packet.FailedArg1 = (int)missingItem; // first missing item
break;
}
case SpellCastResult.CantUntalent:
{
if (misc != null)
{
TalentRecord talent = CliDB.TalentStorage.LookupByKey(misc[0]);
if (talent != null)
packet.FailedArg1 = (int)talent.SpellID;
}
break;
}
// TODO: SPELL_FAILED_NOT_STANDING
default:
break;
}
}
public void SendCastResult(SpellCastResult result)
{
if (result == SpellCastResult.SpellCastOk)
return;
if (!m_caster.IsTypeId(TypeId.Player))
return;
if (m_caster.ToPlayer().GetSession().PlayerLoading()) // don't send cast results at loading time
return;
if (_triggeredCastFlags.HasAnyFlag(TriggerCastFlags.DontReportCastError))
result = SpellCastResult.DontReport;
CastFailed castFailed = new CastFailed();
castFailed.SpellXSpellVisualID = (int)m_SpellVisual;
FillSpellCastFailedArgs(castFailed, m_castId, m_spellInfo, result, m_customError, m_misc.GetRawData(), m_caster.ToPlayer());
m_caster.ToPlayer().SendPacket(castFailed);
}
public void SendPetCastResult(SpellCastResult result)
{
if (result == SpellCastResult.SpellCastOk)
return;
Unit owner = m_caster.GetCharmerOrOwner();
if (!owner || !owner.IsTypeId(TypeId.Player))
return;
if (_triggeredCastFlags.HasAnyFlag(TriggerCastFlags.DontReportCastError))
result = SpellCastResult.DontReport;
PetCastFailed petCastFailed = new PetCastFailed();
FillSpellCastFailedArgs(petCastFailed, m_castId, m_spellInfo, result, SpellCustomErrors.None, m_misc.GetRawData(), owner.ToPlayer());
owner.ToPlayer().SendPacket(petCastFailed);
}
public static void SendCastResult(Player caster, SpellInfo spellInfo, uint spellVisual, ObjectGuid cast_count, SpellCastResult result, SpellCustomErrors customError = SpellCustomErrors.None, uint[] misc = null)
{
if (result == SpellCastResult.SpellCastOk)
return;
CastFailed packet = new CastFailed();
packet.SpellXSpellVisualID = (int)spellVisual;
FillSpellCastFailedArgs(packet, cast_count, spellInfo, result, customError, misc, caster);
caster.SendPacket(packet);
}
void SendSpellStart()
{
if (!IsNeedSendToClient())
return;
SpellCastFlags castFlags = SpellCastFlags.HasTrajectory;
uint schoolImmunityMask = m_caster.GetSchoolImmunityMask();
uint mechanicImmunityMask = m_caster.GetMechanicImmunityMask();
if (schoolImmunityMask != 0 || mechanicImmunityMask != 0)
castFlags |= SpellCastFlags.Immunity;
if (((IsTriggered() && !m_spellInfo.IsAutoRepeatRangedSpell()) || m_triggeredByAuraSpell != null) && !m_fromClient)
castFlags |= SpellCastFlags.Pending;
if (m_spellInfo.HasAttribute(SpellAttr0.ReqAmmo) || m_spellInfo.HasAttribute(SpellCustomAttributes.NeedsAmmoData))
castFlags |= SpellCastFlags.Projectile;
if ((m_caster.IsTypeId(TypeId.Player) || (m_caster.IsTypeId(TypeId.Unit) && m_caster.IsPet())) && m_powerCost.Any(cost => cost.Power != PowerType.Health))
castFlags |= SpellCastFlags.PowerLeftSelf;
if (m_powerCost.Any(cost => cost.Power == PowerType.Runes))
castFlags |= SpellCastFlags.NoGCD; // not needed, but Blizzard sends it
SpellStart packet = new SpellStart();
SpellCastData castData = packet.Cast;
if (m_CastItem)
castData.CasterGUID = m_CastItem.GetGUID();
else
castData.CasterGUID = m_caster.GetGUID();
castData.CasterUnit = m_caster.GetGUID();
castData.CastID = m_castId;
castData.OriginalCastID = m_originalCastId;
castData.SpellID = (int)m_spellInfo.Id;
castData.SpellXSpellVisualID = m_SpellVisual;
castData.CastFlags = castFlags;
castData.CastFlagsEx = m_castFlagsEx;
castData.CastTime = (uint)m_casttime;
m_targets.Write(castData.Target);
if (castFlags.HasAnyFlag(SpellCastFlags.PowerLeftSelf))
{
foreach (SpellPowerCost cost in m_powerCost)
{
SpellPowerData powerData;
powerData.Type = cost.Power;
powerData.Cost = m_caster.GetPower(cost.Power);
castData.RemainingPower.Add(powerData);
}
}
if (castFlags.HasAnyFlag(SpellCastFlags.RuneList)) // rune cooldowns list
{
castData.RemainingRunes.HasValue = true;
RuneData runeData = castData.RemainingRunes.Value;
//TODO: There is a crash caused by a spell with CAST_FLAG_RUNE_LIST casted by a creature
//The creature is the mover of a player, so HandleCastSpellOpcode uses it as the caster
Player player = m_caster.ToPlayer();
if (player)
{
runeData.Start = m_runesState; // runes state before
runeData.Count = player.GetRunesState(); // runes state after
for (byte i = 0; i < player.GetMaxPower(PowerType.Runes); ++i)
{
// float casts ensure the division is performed on floats as we need float result
float baseCd = player.GetRuneBaseCooldown();
runeData.Cooldowns.Add((byte)((baseCd - player.GetRuneCooldown(i)) / baseCd * 255)); // rune cooldown passed
}
}
else
{
runeData.Start = 0;
runeData.Count = 0;
for (byte i = 0; i < player.GetMaxPower(PowerType.Runes); ++i)
runeData.Cooldowns.Add(0);
}
}
UpdateSpellCastDataAmmo(castData.Ammo);
if (castFlags.HasAnyFlag(SpellCastFlags.Immunity))
{
castData.Immunities.School = schoolImmunityMask;
castData.Immunities.Value = mechanicImmunityMask;
}
/** @todo implement heal prediction packet data
if (castFlags & CAST_FLAG_HEAL_PREDICTION)
{
castData.Predict.BeconGUID = ??
castData.Predict.Points = 0;
castData.Predict.Type = 0;
}**/
m_caster.SendMessageToSet(packet, true);
}
void SendSpellGo()
{
// not send invisible spell casting
if (!IsNeedSendToClient())
return;
Log.outDebug(LogFilter.Spells, "Sending SMSG_SPELL_GO id={0}", m_spellInfo.Id);
SpellCastFlags castFlags = SpellCastFlags.Unk9;
// triggered spells with spell visual != 0
if (((IsTriggered() && !m_spellInfo.IsAutoRepeatRangedSpell()) || m_triggeredByAuraSpell != null) && !m_fromClient)
castFlags |= SpellCastFlags.Pending;
if (m_spellInfo.HasAttribute(SpellAttr0.ReqAmmo) || m_spellInfo.HasAttribute(SpellCustomAttributes.NeedsAmmoData))
castFlags |= SpellCastFlags.Projectile; // arrows/bullets visual
if ((m_caster.IsTypeId(TypeId.Player) || (m_caster.IsTypeId(TypeId.Unit) && m_caster.IsPet())) && m_powerCost.Any(cost => cost.Power != PowerType.Health))
castFlags |= SpellCastFlags.PowerLeftSelf; // should only be sent to self, but the current messaging doesn't make that possible
if ((m_caster.IsTypeId(TypeId.Player)) && (m_caster.GetClass() == Class.Deathknight) &&
m_powerCost.Any(cost => cost.Power == PowerType.Runes) && !_triggeredCastFlags.HasAnyFlag(TriggerCastFlags.IgnorePowerAndReagentCost))
{
castFlags |= SpellCastFlags.NoGCD; // same as in SMSG_SPELL_START
castFlags |= SpellCastFlags.RuneList; // rune cooldowns list
}
if (m_spellInfo.HasEffect(SpellEffectName.ActivateRune))
castFlags |= SpellCastFlags.RuneList; // rune cooldowns list
if (m_targets.HasTraj())
castFlags |= SpellCastFlags.AdjustMissile;
if (m_spellInfo.StartRecoveryTime == 0)
castFlags |= SpellCastFlags.NoGCD;
SpellGo packet = new SpellGo();
SpellCastData castData = packet.Cast;
if (m_CastItem != null)
castData.CasterGUID = m_CastItem.GetGUID();
else
castData.CasterGUID = m_caster.GetGUID();
castData.CasterUnit = m_caster.GetGUID();
castData.CastID = m_castId;
castData.OriginalCastID = m_originalCastId;
castData.SpellID = (int)m_spellInfo.Id;
castData.SpellXSpellVisualID = m_SpellVisual;
castData.CastFlags = castFlags;
castData.CastFlagsEx = m_castFlagsEx;
castData.CastTime = Time.GetMSTime();
castData.HitTargets = new List<ObjectGuid>();
UpdateSpellCastDataTargets(castData);
m_targets.Write(castData.Target);
if (Convert.ToBoolean(castFlags & SpellCastFlags.PowerLeftSelf))
{
castData.RemainingPower = new List<SpellPowerData>();
foreach (SpellPowerCost cost in m_powerCost)
{
SpellPowerData powerData;
powerData.Type = cost.Power;
powerData.Cost = m_caster.GetPower(cost.Power);
castData.RemainingPower.Add(powerData);
}
}
if (Convert.ToBoolean(castFlags & SpellCastFlags.RuneList)) // rune cooldowns list
{
castData.RemainingRunes.HasValue = true;
RuneData runeData = castData.RemainingRunes.Value;
//TODO: There is a crash caused by a spell with CAST_FLAG_RUNE_LIST casted by a creature
//The creature is the mover of a player, so HandleCastSpellOpcode uses it as the caster
Player player = m_caster.ToPlayer();
if (player)
{
runeData.Start = m_runesState; // runes state before
runeData.Count = player.GetRunesState(); // runes state after
for (byte i = 0; i < player.GetMaxPower(PowerType.Runes); ++i)
{
// float casts ensure the division is performed on floats as we need float result
float baseCd = player.GetRuneBaseCooldown();
runeData.Cooldowns.Add((byte)((baseCd - player.GetRuneCooldown(i)) / baseCd * 255)); // rune cooldown passed
}
}
else
{
runeData.Start = 0;
runeData.Count = 0;
for (byte i = 0; i < player.GetMaxPower(PowerType.Runes); ++i)
runeData.Cooldowns.Add(0);
}
}
if (Convert.ToBoolean(castFlags & SpellCastFlags.AdjustMissile))
{
castData.MissileTrajectory.TravelTime = (uint)m_delayMoment;
castData.MissileTrajectory.Pitch = m_targets.GetPitch();
}
packet.LogData.Initialize(this);
m_caster.SendCombatLogMessage(packet);
}
// Writes miss and hit targets for a SMSG_SPELL_GO packet
void UpdateSpellCastDataTargets(SpellCastData data)
{
// This function also fill data for channeled spells:
// m_needAliveTargetMask req for stop channelig if one target die
foreach (var targetInfo in m_UniqueTargetInfo)
{
if (targetInfo.effectMask == 0) // No effect apply - all immuned add state
// possibly SPELL_MISS_IMMUNE2 for this??
targetInfo.missCondition = SpellMissInfo.Immune2;
if (targetInfo.missCondition == SpellMissInfo.None) // hits
{
data.HitTargets.Add(targetInfo.targetGUID);
m_channelTargetEffectMask |= targetInfo.effectMask;
}
else // misses
{
data.MissTargets.Add(targetInfo.targetGUID);
SpellMissStatus missStatus = new SpellMissStatus();
missStatus.Reason = (byte)targetInfo.missCondition;
if (targetInfo.missCondition == SpellMissInfo.Reflect)
missStatus.ReflectStatus = (byte)targetInfo.reflectResult;
data.MissStatus.Add(missStatus);
}
}
foreach (GOTargetInfo targetInfo in m_UniqueGOTargetInfo)
data.HitTargets.Add(targetInfo.targetGUID); // Always hits
// Reset m_needAliveTargetMask for non channeled spell
if (!m_spellInfo.IsChanneled())
m_channelTargetEffectMask = 0;
}
void UpdateSpellCastDataAmmo(SpellAmmo ammo)
{
InventoryType ammoInventoryType = 0;
uint ammoDisplayID = 0;
if (m_caster.IsTypeId(TypeId.Player))
{
Item pItem = m_caster.ToPlayer().GetWeaponForAttack(WeaponAttackType.RangedAttack);
if (pItem)
{
ammoInventoryType = pItem.GetTemplate().GetInventoryType();
if (ammoInventoryType == InventoryType.Thrown)
ammoDisplayID = pItem.GetDisplayId(m_caster.ToPlayer());
else if (m_caster.HasAura(46699)) // Requires No Ammo
{
ammoDisplayID = 5996; // normal arrow
ammoInventoryType = InventoryType.Ammo;
}
}
}
else
{
for (byte i = 0; i < 3; ++i)
{
uint itemId = m_caster.GetVirtualItemId(i);
if (itemId != 0)
{
ItemRecord itemEntry = CliDB.ItemStorage.LookupByKey(itemId);
if (itemEntry != null)
{
if (itemEntry.Class == ItemClass.Weapon)
{
switch ((ItemSubClassWeapon)itemEntry.SubClass)
{
case ItemSubClassWeapon.Thrown:
ammoDisplayID = Global.DB2Mgr.GetItemDisplayId(itemId, m_caster.GetVirtualItemAppearanceMod(i));
ammoInventoryType = itemEntry.inventoryType;
break;
case ItemSubClassWeapon.Bow:
case ItemSubClassWeapon.Crossbow:
ammoDisplayID = 5996; // is this need fixing?
ammoInventoryType = InventoryType.Ammo;
break;
case ItemSubClassWeapon.Gun:
ammoDisplayID = 5998; // is this need fixing?
ammoInventoryType = InventoryType.Ammo;
break;
}
if (ammoDisplayID != 0)
break;
}
}
}
}
}
ammo.DisplayID = (int)ammoDisplayID;
ammo.InventoryType = (sbyte)ammoInventoryType;
}
void SendSpellExecuteLog()
{
SpellExecuteLog spellExecuteLog = new SpellExecuteLog();
spellExecuteLog.Caster = m_caster.GetGUID();
spellExecuteLog.SpellID = m_spellInfo.Id;
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect == null)
continue;
if (_powerDrainTargets[effect.EffectIndex].Empty() && _extraAttacksTargets[effect.EffectIndex].Empty() &&
_durabilityDamageTargets[effect.EffectIndex].Empty() && _genericVictimTargets[effect.EffectIndex].Empty() &&
_tradeSkillTargets[effect.EffectIndex].Empty() && _feedPetTargets[effect.EffectIndex].Empty())
continue;
SpellExecuteLog.SpellLogEffect spellLogEffect = new SpellExecuteLog.SpellLogEffect();
spellLogEffect.Effect = (int)effect.Effect;
spellLogEffect.PowerDrainTargets = _powerDrainTargets[effect.EffectIndex];
spellLogEffect.ExtraAttacksTargets = _extraAttacksTargets[effect.EffectIndex];
spellLogEffect.DurabilityDamageTargets = _durabilityDamageTargets[effect.EffectIndex];
spellLogEffect.GenericVictimTargets = _genericVictimTargets[effect.EffectIndex];
spellLogEffect.TradeSkillTargets = _tradeSkillTargets[effect.EffectIndex];
spellLogEffect.FeedPetTargets = _feedPetTargets[effect.EffectIndex];
spellExecuteLog.Effects.Add(spellLogEffect);
}
if (!spellExecuteLog.Effects.Empty())
m_caster.SendCombatLogMessage(spellExecuteLog);
CleanupExecuteLogList();
}
void CleanupExecuteLogList()
{
_powerDrainTargets.Clear();
_extraAttacksTargets.Clear();
_durabilityDamageTargets.Clear();
_genericVictimTargets.Clear();
_tradeSkillTargets.Clear();
_feedPetTargets.Clear();
}
void ExecuteLogEffectTakeTargetPower(uint effIndex, Unit target, PowerType powerType, uint points, float amplitude)
{
SpellLogEffectPowerDrainParams spellLogEffectPowerDrainParams;
spellLogEffectPowerDrainParams.Victim = target.GetGUID();
spellLogEffectPowerDrainParams.Points = points;
spellLogEffectPowerDrainParams.PowerType = (uint)powerType;
spellLogEffectPowerDrainParams.Amplitude = amplitude;
_powerDrainTargets.Add(effIndex, spellLogEffectPowerDrainParams);
}
void ExecuteLogEffectExtraAttacks(uint effIndex, Unit victim, uint numAttacks)
{
SpellLogEffectExtraAttacksParams spellLogEffectExtraAttacksParams;
spellLogEffectExtraAttacksParams.Victim = victim.GetGUID();
spellLogEffectExtraAttacksParams.NumAttacks = numAttacks;
_extraAttacksTargets.Add(effIndex, spellLogEffectExtraAttacksParams);
}
void ExecuteLogEffectInterruptCast(uint effIndex, Unit victim, uint spellId)
{
SpellInterruptLog data = new SpellInterruptLog();
data.Caster = m_caster.GetGUID();
data.Victim = victim.GetGUID();
data.InterruptedSpellID = m_spellInfo.Id;
data.SpellID = spellId;
m_caster.SendMessageToSet(data, true);
}
void ExecuteLogEffectDurabilityDamage(uint effIndex, Unit victim, int itemId, int amount)
{
SpellLogEffectDurabilityDamageParams spellLogEffectDurabilityDamageParams;
spellLogEffectDurabilityDamageParams.Victim = victim.GetGUID();
spellLogEffectDurabilityDamageParams.ItemID = itemId;
spellLogEffectDurabilityDamageParams.Amount = amount;
_durabilityDamageTargets.Add(effIndex, spellLogEffectDurabilityDamageParams);
}
void ExecuteLogEffectOpenLock(uint effIndex, WorldObject obj)
{
SpellLogEffectGenericVictimParams spellLogEffectGenericVictimParams;
spellLogEffectGenericVictimParams.Victim = obj.GetGUID();
_genericVictimTargets.Add(effIndex, spellLogEffectGenericVictimParams);
}
void ExecuteLogEffectCreateItem(uint effIndex, uint entry)
{
SpellLogEffectTradeSkillItemParams spellLogEffectTradeSkillItemParams;
spellLogEffectTradeSkillItemParams.ItemID = (int)entry;
_tradeSkillTargets.Add(effIndex, spellLogEffectTradeSkillItemParams);
}
void ExecuteLogEffectDestroyItem(uint effIndex, uint entry)
{
SpellLogEffectFeedPetParams spellLogEffectFeedPetParams;
spellLogEffectFeedPetParams.ItemID = (int)entry;
_feedPetTargets.Add(effIndex, spellLogEffectFeedPetParams);
}
void ExecuteLogEffectSummonObject(uint effIndex, WorldObject obj)
{
SpellLogEffectGenericVictimParams spellLogEffectGenericVictimParams;
spellLogEffectGenericVictimParams.Victim = obj.GetGUID();
_genericVictimTargets.Add(effIndex, spellLogEffectGenericVictimParams);
}
void ExecuteLogEffectUnsummonObject(uint effIndex, WorldObject obj)
{
SpellLogEffectGenericVictimParams spellLogEffectGenericVictimParams;
spellLogEffectGenericVictimParams.Victim = obj.GetGUID();
_genericVictimTargets.Add(effIndex, spellLogEffectGenericVictimParams);
}
void ExecuteLogEffectResurrect(uint effIndex, Unit target)
{
SpellLogEffectGenericVictimParams spellLogEffectGenericVictimParams;
spellLogEffectGenericVictimParams.Victim = target.GetGUID();
_genericVictimTargets.Add(effIndex, spellLogEffectGenericVictimParams);
}
void SendInterrupted(byte result)
{
SpellFailure failurePacket = new SpellFailure();
failurePacket.CasterUnit = m_caster.GetGUID();
failurePacket.CastID = m_castId;
failurePacket.SpellID = m_spellInfo.Id;
failurePacket.SpellXSpellVisualID = m_SpellVisual;
failurePacket.Reason = result;
m_caster.SendMessageToSet(failurePacket, true);
SpellFailedOther failedPacket = new SpellFailedOther();
failedPacket.CasterUnit = m_caster.GetGUID();
failedPacket.CastID = m_castId;
failedPacket.SpellID = m_spellInfo.Id;
failedPacket.Reason = result;
m_caster.SendMessageToSet(failedPacket, true);
}
public void SendChannelUpdate(uint time)
{
if (time == 0)
{
m_caster.ClearDynamicValue(UnitDynamicFields.ChannelObjects);
m_caster.SetChannelSpellId(0);
m_caster.SetChannelSpellXSpellVisualId(0);
}
SpellChannelUpdate spellChannelUpdate = new SpellChannelUpdate();
spellChannelUpdate.CasterGUID = m_caster.GetGUID();
spellChannelUpdate.TimeRemaining = (int)time;
m_caster.SendMessageToSet(spellChannelUpdate, true);
}
void SendChannelStart(uint duration)
{
SpellChannelStart spellChannelStart = new SpellChannelStart();
spellChannelStart.CasterGUID = m_caster.GetGUID();
spellChannelStart.SpellID = (int)m_spellInfo.Id;
spellChannelStart.SpellXSpellVisualID = (int)m_SpellVisual;
spellChannelStart.ChannelDuration = duration;
uint schoolImmunityMask = m_caster.GetSchoolImmunityMask();
uint mechanicImmunityMask = m_caster.GetMechanicImmunityMask();
if (schoolImmunityMask != 0 || mechanicImmunityMask != 0)
{
spellChannelStart.InterruptImmunities.HasValue = true;
spellChannelStart.InterruptImmunities.Value.SchoolImmunities = (int)schoolImmunityMask;
spellChannelStart.InterruptImmunities.Value.Immunities = (int)mechanicImmunityMask;
}
m_caster.SendMessageToSet(spellChannelStart, true);
m_timer = (int)duration;
foreach (TargetInfo target in m_UniqueTargetInfo)
m_caster.AddChannelObject(target.targetGUID);
foreach (GOTargetInfo target in m_UniqueGOTargetInfo)
m_caster.AddChannelObject(target.targetGUID);
m_caster.SetChannelSpellId(m_spellInfo.Id);
m_caster.SetChannelSpellXSpellVisualId(m_SpellVisual);
}
void SendResurrectRequest(Player target)
{
// get ressurector name for creature resurrections, otherwise packet will be not accepted
// for player resurrections the name is looked up by guid
string sentName = (m_caster.IsTypeId(TypeId.Player) ? "" : m_caster.GetName(target.GetSession().GetSessionDbLocaleIndex()));
ResurrectRequest resurrectRequest = new ResurrectRequest();
resurrectRequest.ResurrectOffererGUID = m_caster.GetGUID();
resurrectRequest.ResurrectOffererVirtualRealmAddress = Global.WorldMgr.GetVirtualRealmAddress();
Pet pet = target.GetPet();
if (pet)
{
CharmInfo charmInfo = pet.GetCharmInfo();
if (charmInfo != null)
resurrectRequest.PetNumber = charmInfo.GetPetNumber();
}
resurrectRequest.SpellID = m_spellInfo.Id;
//packet.ReadBit("UseTimer"); /// @todo: 6.x Has to be implemented
resurrectRequest.Sickness = !m_caster.IsTypeId(TypeId.Player); // "you'll be afflicted with resurrection sickness"
resurrectRequest.Name = sentName;
target.SendPacket(resurrectRequest);
}
void TakeCastItem()
{
if (m_CastItem == null || !m_caster.IsTypeId(TypeId.Player))
return;
// not remove cast item at triggered spell (equipping, weapon damage, etc)
if (Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreCastItem))
return;
ItemTemplate proto = m_CastItem.GetTemplate();
if (proto == null)
{
// This code is to avoid a crash
// I'm not sure, if this is really an error, but I guess every item needs a prototype
Log.outError(LogFilter.Spells, "Cast item has no item prototype {0}", m_CastItem.GetGUID().ToString());
return;
}
bool expendable = false;
bool withoutCharges = false;
for (int i = 0; i < proto.Effects.Count && i < 5; ++i)
{
if (proto.Effects[i].SpellID != 0)
{
// item has limited charges
if (proto.Effects[i].Charges != 0)
{
if (proto.Effects[i].Charges < 0)
expendable = true;
int charges = m_CastItem.GetSpellCharges(i);
// item has charges left
if (charges != 0)
{
if (charges > 0)
--charges;
else
++charges;
if (proto.GetMaxStackSize() == 1)
m_CastItem.SetSpellCharges(i, charges);
m_CastItem.SetState(ItemUpdateState.Changed, m_caster.ToPlayer());
}
// all charges used
withoutCharges = (charges == 0);
}
}
}
if (expendable && withoutCharges)
{
uint count = 1;
m_caster.ToPlayer().DestroyItemCount(m_CastItem, ref count, true);
// prevent crash at access to deleted m_targets.GetItemTarget
if (m_CastItem == m_targets.GetItemTarget())
m_targets.SetItemTarget(null);
m_CastItem = null;
m_castItemGUID.Clear();
m_castItemEntry = 0;
}
}
void TakePower()
{
if (m_CastItem != null || m_triggeredByAuraSpell != null)
return;
//Don't take power if the spell is cast while .cheat power is enabled.
if (m_caster.IsTypeId(TypeId.Player))
{
if (m_caster.ToPlayer().GetCommandStatus(PlayerCommandStates.Power))
return;
}
foreach (SpellPowerCost cost in m_powerCost)
{
bool hit = true;
if (m_caster.IsTypeId(TypeId.Player))
{
if (cost.Power == PowerType.Rage || cost.Power == PowerType.Energy || cost.Power == PowerType.Runes)
{
ObjectGuid targetGUID = m_targets.GetUnitTargetGUID();
if (!targetGUID.IsEmpty())
{
foreach (var ihit in m_UniqueTargetInfo)
{
if (ihit.targetGUID == targetGUID)
{
if (ihit.missCondition != SpellMissInfo.None)
{
hit = false;
//lower spell cost on fail (by talent aura)
Player modOwner = m_caster.ToPlayer().GetSpellModOwner();
if (modOwner)
modOwner.ApplySpellMod(m_spellInfo.Id, SpellModOp.SpellCostRefundOnFail, ref cost.Amount);
}
break;
}
}
}
}
}
if (cost.Power == PowerType.Runes)
{
TakeRunePower(hit);
continue;
}
if (cost.Amount == 0)
continue;
// health as power used
if (cost.Power == PowerType.Health)
{
m_caster.ModifyHealth(-cost.Amount);
continue;
}
if (cost.Power >= PowerType.Max)
{
Log.outError(LogFilter.Spells, "Spell.TakePower: Unknown power type '{0}'", cost.Power);
continue;
}
if (hit)
m_caster.ModifyPower(cost.Power, -cost.Amount);
else
m_caster.ModifyPower(cost.Power, -RandomHelper.IRand(0, cost.Amount / 4));
}
}
SpellCastResult CheckRuneCost()
{
int runeCost = m_powerCost.Sum(cost => cost.Power == PowerType.Runes ? cost.Amount : 0);
if (runeCost == 0)
return SpellCastResult.SpellCastOk;
Player player = m_caster.ToPlayer();
if (!player)
return SpellCastResult.SpellCastOk;
if (player.GetClass() != Class.Deathknight)
return SpellCastResult.SpellCastOk;
int readyRunes = 0;
for (byte i = 0; i < player.GetMaxPower(PowerType.Runes); ++i)
if (player.GetRuneCooldown(i) == 0)
++readyRunes;
if (readyRunes < runeCost)
return SpellCastResult.NoPower; // not sure if result code is correct
return SpellCastResult.SpellCastOk;
}
void TakeRunePower(bool didHit)
{
if (!m_caster.IsTypeId(TypeId.Player) || m_caster.GetClass() != Class.Deathknight)
return;
Player player = m_caster.ToPlayer();
m_runesState = player.GetRunesState(); // store previous state
int runeCost = m_powerCost.Sum(cost => cost.Power == PowerType.Runes ? cost.Amount : 0);
for (byte i = 0; i < player.GetMaxPower(PowerType.Runes); ++i)
{
if (player.GetRuneCooldown(i) == 0 && runeCost > 0)
{
player.SetRuneCooldown(i, didHit ? player.GetRuneBaseCooldown() : RuneCooldowns.Miss);
--runeCost;
}
}
}
void TakeReagents()
{
if (!m_caster.IsTypeId(TypeId.Player))
return;
ItemTemplate castItemTemplate = m_CastItem?.GetTemplate();
// do not take reagents for these item casts
if (castItemTemplate != null && Convert.ToBoolean(castItemTemplate.GetFlags() & ItemFlags.NoReagentCost))
return;
Player p_caster = m_caster.ToPlayer();
if (p_caster.CanNoReagentCast(m_spellInfo))
return;
for (int x = 0; x < SpellConst.MaxReagents; ++x)
{
if (m_spellInfo.Reagent[x] <= 0)
continue;
uint itemid = (uint)m_spellInfo.Reagent[x];
uint itemcount = m_spellInfo.ReagentCount[x];
// if CastItem is also spell reagent
if (castItemTemplate != null && castItemTemplate.GetId() == itemid)
{
for (int s = 0; s < castItemTemplate.Effects.Count && s < 5; ++s)
{
// CastItem will be used up and does not count as reagent
int charges = m_CastItem.GetSpellCharges(s);
if (castItemTemplate.Effects[s].Charges < 0 && Math.Abs(charges) < 2)
{
++itemcount;
break;
}
}
m_CastItem = null;
m_castItemGUID.Clear();
m_castItemEntry = 0;
}
// if GetItemTarget is also spell reagent
if (m_targets.GetItemTargetEntry() == itemid)
m_targets.SetItemTarget(null);
p_caster.DestroyItemCount(itemid, itemcount, true);
}
}
void HandleThreatSpells()
{
if (m_UniqueTargetInfo.Empty())
return;
if (!m_spellInfo.HasInitialAggro())
return;
float threat = 0.0f;
SpellThreatEntry threatEntry = Global.SpellMgr.GetSpellThreatEntry(m_spellInfo.Id);
if (threatEntry != null)
{
if (threatEntry.apPctMod != 0.0f)
threat += threatEntry.apPctMod * m_caster.GetTotalAttackPowerValue(WeaponAttackType.BaseAttack);
threat += threatEntry.flatMod;
}
else if (!m_spellInfo.HasAttribute(SpellCustomAttributes.NoInitialThreat))
threat += m_spellInfo.SpellLevel;
// past this point only multiplicative effects occur
if (threat == 0.0f)
return;
// since 2.0.1 threat from positive effects also is distributed among all targets, so the overall caused threat is at most the defined bonus
threat /= m_UniqueTargetInfo.Count;
foreach (var ihit in m_UniqueTargetInfo)
{
float threatToAdd = threat;
if (ihit.missCondition != SpellMissInfo.None)
threatToAdd = 0.0f;
Unit target = Global.ObjAccessor.GetUnit(m_caster, ihit.targetGUID);
if (target == null)
continue;
// positive spells distribute threat among all units that are in combat with target, like healing
if (m_spellInfo.IsPositive())
target.getHostileRefManager().threatAssist(m_caster, threatToAdd, m_spellInfo);
// for negative spells threat gets distributed among affected targets
else
{
if (!target.CanHaveThreatList())
continue;
target.AddThreat(m_caster, threatToAdd, m_spellInfo.GetSchoolMask(), m_spellInfo);
}
}
Log.outDebug(LogFilter.Spells, "Spell {0}, added an additional {1} threat for {2} {3} target(s)", m_spellInfo.Id, threat, m_spellInfo.IsPositive() ? "assisting" : "harming", m_UniqueTargetInfo.Count);
}
void HandleEffects(Unit pUnitTarget, Item pItemTarget, GameObject pGOTarget, uint i, SpellEffectHandleMode mode)
{
effectHandleMode = mode;
unitTarget = pUnitTarget;
itemTarget = pItemTarget;
gameObjTarget = pGOTarget;
destTarget = m_destTargets[i].Position;
effectInfo = GetEffect(i);
if (effectInfo == null)
{
Log.outError(LogFilter.Spells, "Spell: {0} HandleEffects at EffectIndex: {1} missing effect", m_spellInfo.Id, i);
return;
}
SpellEffectName eff = effectInfo.Effect;
Log.outDebug(LogFilter.Spells, "Spell: {0} Effect : {1}", m_spellInfo.Id, eff);
damage = CalculateDamage(i, unitTarget, out variance);
bool preventDefault = CallScriptEffectHandlers(i, mode);
if (!preventDefault && eff < SpellEffectName.TotalSpellEffects)
Global.SpellMgr.GetSpellEffectHandler(eff).Invoke(this, i);
}
public SpellCastResult CheckCast(bool strict)
{
SpellCastResult castResult = SpellCastResult.SpellCastOk;
// check death state
if (!m_caster.IsAlive() && !m_spellInfo.IsPassive() && !(m_spellInfo.HasAttribute(SpellAttr0.CastableWhileDead) || (IsTriggered() && m_triggeredByAuraSpell == null)))
return SpellCastResult.CasterDead;
// check cooldowns to prevent cheating
if (!m_spellInfo.IsPassive())
{
if (m_caster.IsTypeId(TypeId.Player))
{
//can cast triggered (by aura only?) spells while have this flag
if (!_triggeredCastFlags.HasAnyFlag(TriggerCastFlags.IgnoreCasterAurastate) && m_caster.ToPlayer().HasFlag(PlayerFields.Flags, PlayerFlags.AllowOnlyAbility))
return SpellCastResult.SpellInProgress;
// check if we are using a potion in combat for the 2nd+ time. Cooldown is added only after caster gets out of combat
if (m_caster.ToPlayer().GetLastPotionId() != 0 && m_CastItem && (m_CastItem.IsPotion() || m_spellInfo.IsCooldownStartedOnEvent()))
return SpellCastResult.NotReady;
}
if (!m_caster.GetSpellHistory().IsReady(m_spellInfo, m_castItemEntry, IsIgnoringCooldowns()))
{
if (m_triggeredByAuraSpell != null)
return SpellCastResult.DontReport;
else
return SpellCastResult.NotReady;
}
}
if (m_spellInfo.HasAttribute(SpellAttr7.IsCheatSpell) && !m_caster.HasFlag(UnitFields.Flags2, UnitFlags2.AllowCheatSpells))
{
m_customError = SpellCustomErrors.GmOnly;
return SpellCastResult.CustomError;
}
// Check global cooldown
if (strict && !Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreGCD) && HasGlobalCooldown())
return !m_spellInfo.HasAttribute(SpellAttr0.DisabledWhileActive) ? SpellCastResult.NotReady : SpellCastResult.DontReport;
// only triggered spells can be processed an ended Battleground
if (!IsTriggered() && m_caster.IsTypeId(TypeId.Player))
{
Battleground bg = m_caster.ToPlayer().GetBattleground();
if (bg)
if (bg.GetStatus() == BattlegroundStatus.WaitLeave)
return SpellCastResult.DontReport;
}
if (m_caster.IsTypeId(TypeId.Player) && Global.VMapMgr.isLineOfSightCalcEnabled())
{
if (m_spellInfo.HasAttribute(SpellAttr0.OutdoorsOnly) &&
!m_caster.GetMap().IsOutdoors(m_caster.posX, m_caster.posY, m_caster.posZ))
return SpellCastResult.OnlyOutdoors;
if (m_spellInfo.HasAttribute(SpellAttr0.IndoorsOnly) &&
m_caster.GetMap().IsOutdoors(m_caster.posX, m_caster.posY, m_caster.posZ))
return SpellCastResult.OnlyIndoors;
}
// only check at first call, Stealth auras are already removed at second call
// for now, ignore triggered spells
if (strict && !Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreShapeshift))
{
bool checkForm = true;
// Ignore form req aura
var ignore = m_caster.GetAuraEffectsByType(AuraType.ModIgnoreShapeshift);
foreach (var aura in ignore)
{
if (!aura.IsAffectingSpell(m_spellInfo))
continue;
checkForm = false;
break;
}
if (checkForm)
{
// Cannot be used in this stance/form
SpellCastResult shapeError = m_spellInfo.CheckShapeshift(m_caster.GetShapeshiftForm());
if (shapeError != SpellCastResult.SpellCastOk)
return shapeError;
if (m_spellInfo.HasAttribute(SpellAttr0.OnlyStealthed) && !m_caster.HasStealthAura())
return SpellCastResult.OnlyStealthed;
}
}
var blockSpells = m_caster.GetAuraEffectsByType(AuraType.BlockSpellFamily);
foreach (var block in blockSpells)
if (block.GetMiscValue() == (int)m_spellInfo.SpellFamilyName)
return SpellCastResult.SpellUnavailable;
bool reqCombat = true;
var stateAuras = m_caster.GetAuraEffectsByType(AuraType.AbilityIgnoreAurastate);
foreach (var aura in stateAuras)
{
if (aura.IsAffectingSpell(m_spellInfo))
{
m_needComboPoints = false;
if (aura.GetMiscValue() == 1)
{
reqCombat = false;
break;
}
}
}
// caster state requirements
// not for triggered spells (needed by execute)
if (!Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreCasterAurastate))
{
if (m_spellInfo.CasterAuraState != 0 && !m_caster.HasAuraState(m_spellInfo.CasterAuraState, m_spellInfo, m_caster))
return SpellCastResult.CasterAurastate;
if (m_spellInfo.CasterAuraStateNot != 0 && m_caster.HasAuraState(m_spellInfo.CasterAuraStateNot, m_spellInfo, m_caster))
return SpellCastResult.CasterAurastate;
// Note: spell 62473 requres casterAuraSpell = triggering spell
if (m_spellInfo.CasterAuraSpell != 0 && !m_caster.HasAura(m_spellInfo.CasterAuraSpell))
return SpellCastResult.CasterAurastate;
if (m_spellInfo.ExcludeCasterAuraSpell != 0 && m_caster.HasAura(m_spellInfo.ExcludeCasterAuraSpell))
return SpellCastResult.CasterAurastate;
if (reqCombat && m_caster.IsInCombat() && !m_spellInfo.CanBeUsedInCombat())
return SpellCastResult.AffectingCombat;
}
// cancel autorepeat spells if cast start when moving
// (not wand currently autorepeat cast delayed to moving stop anyway in spell update code)
// Do not cancel spells which are affected by a SPELL_AURA_CAST_WHILE_WALKING effect
if (m_caster.IsTypeId(TypeId.Player) && m_caster.ToPlayer().isMoving() && (!m_caster.IsCharmed() || !m_caster.GetCharmerGUID().IsCreature()) && !m_caster.HasAuraTypeWithAffectMask(AuraType.CastWhileWalking, m_spellInfo))
{
// skip stuck spell to allow use it in falling case and apply spell limitations at movement
SpellEffectInfo effect = GetEffect(0);
if ((!m_caster.HasUnitMovementFlag(MovementFlag.FallingFar) || (effect != null && effect.Effect != SpellEffectName.Stuck)) &&
(IsAutoRepeat() || (m_spellInfo.AuraInterruptFlags & SpellAuraInterruptFlags.NotSeated) != 0))
return SpellCastResult.Moving;
}
// Check vehicle flags
if (!Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreCasterMountedOrOnVehicle))
{
SpellCastResult vehicleCheck = m_spellInfo.CheckVehicle(m_caster);
if (vehicleCheck != SpellCastResult.SpellCastOk)
return vehicleCheck;
}
// check spell cast conditions from database
{
ConditionSourceInfo condInfo = new ConditionSourceInfo(m_caster, m_targets.GetObjectTarget());
if (!Global.ConditionMgr.IsObjectMeetingNotGroupedConditions(ConditionSourceType.Spell, m_spellInfo.Id, condInfo))
{
// mLastFailedCondition can be NULL if there was an error processing the condition in Condition.Meets (i.e. wrong data for ConditionTarget or others)
if (condInfo.mLastFailedCondition != null && condInfo.mLastFailedCondition.ErrorType != 0)
{
if (condInfo.mLastFailedCondition.ErrorType == (uint)SpellCastResult.CustomError)
m_customError = (SpellCustomErrors)condInfo.mLastFailedCondition.ErrorTextId;
return (SpellCastResult)condInfo.mLastFailedCondition.ErrorType;
}
if (condInfo.mLastFailedCondition == null || condInfo.mLastFailedCondition.ConditionTarget == 0)
return SpellCastResult.CasterAurastate;
return SpellCastResult.BadTargets;
}
}
// Don't check explicit target for passive spells (workaround) (check should be skipped only for learn case)
// those spells may have incorrect target entries or not filled at all (for example 15332)
// such spells when learned are not targeting anyone using targeting system, they should apply directly to caster instead
// also, such casts shouldn't be sent to client
if (!(m_spellInfo.IsPassive() && (m_targets.GetUnitTarget() == null || m_targets.GetUnitTarget() == m_caster)))
{
// Check explicit target for m_originalCaster - todo: get rid of such workarounds
Unit caster = m_caster;
if (m_originalCaster && m_caster.GetEntry() != SharedConst.WorldTrigger) // Do a simplified check for gameobject casts
caster = m_originalCaster;
castResult = m_spellInfo.CheckExplicitTarget(caster, m_targets.GetObjectTarget(), m_targets.GetItemTarget());
if (castResult != SpellCastResult.SpellCastOk)
return castResult;
}
Unit unitTarget = m_targets.GetUnitTarget();
if (unitTarget != null)
{
castResult = m_spellInfo.CheckTarget(m_caster, unitTarget, m_caster.GetEntry() == SharedConst.WorldTrigger); // skip stealth checks for GO casts
if (castResult != SpellCastResult.SpellCastOk)
return castResult;
// If it's not a melee spell, check if vision is obscured by SPELL_AURA_INTERFERE_TARGETTING
if (m_spellInfo.DmgClass != SpellDmgClass.Melee)
{
foreach (var auraEffect in m_caster.GetAuraEffectsByType(AuraType.InterfereTargetting))
if (!m_caster.IsFriendlyTo(auraEffect.GetCaster()) && !unitTarget.HasAura(auraEffect.GetId(), auraEffect.GetCasterGUID()))
return SpellCastResult.VisionObscured;
foreach (var auraEffect in unitTarget.GetAuraEffectsByType(AuraType.InterfereTargetting))
if (!m_caster.IsFriendlyTo(auraEffect.GetCaster()) && (!unitTarget.HasAura(auraEffect.GetId(), auraEffect.GetCasterGUID()) || !m_caster.HasAura(auraEffect.GetId(), auraEffect.GetCasterGUID())))
return SpellCastResult.VisionObscured;
}
if (unitTarget != m_caster)
{
// Must be behind the target
if (m_spellInfo.HasAttribute(SpellCustomAttributes.ReqCasterBehindTarget) && unitTarget.HasInArc(MathFunctions.PI, m_caster))
return SpellCastResult.NotBehind;
// Target must be facing you
if (m_spellInfo.HasAttribute(SpellCustomAttributes.ReqTargetFacingCaster) && !unitTarget.HasInArc(MathFunctions.PI, m_caster))
return SpellCastResult.NotInfront;
if (m_caster.GetEntry() != SharedConst.WorldTrigger) // Ignore LOS for gameobjects casts (wrongly casted by a trigger)
{
WorldObject losTarget = m_caster;
if (IsTriggered() && m_triggeredByAuraSpell != null)
{
DynamicObject dynObj = m_caster.GetDynObject(m_triggeredByAuraSpell.Id);
if (dynObj)
losTarget = dynObj;
}
if (!m_spellInfo.HasAttribute(SpellAttr2.CanTargetNotInLos) && !Global.DisableMgr.IsDisabledFor(DisableType.Spell, m_spellInfo.Id, null, DisableFlags.SpellLOS)
&& !unitTarget.IsWithinLOSInMap(losTarget))
return SpellCastResult.LineOfSight;
}
}
}
// Check for line of sight for spells with dest
if (m_targets.HasDst())
{
float x, y, z;
m_targets.GetDstPos().GetPosition(out x, out y, out z);
if (!m_spellInfo.HasAttribute(SpellAttr2.CanTargetDead) && !Global.DisableMgr.IsDisabledFor(DisableType.Spell, m_spellInfo.Id, null, DisableFlags.SpellLOS)
&& !m_caster.IsWithinLOS(x, y, z))
return SpellCastResult.LineOfSight;
}
// check pet presence
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect != null && effect.TargetA.GetTarget() == Targets.UnitPet)
{
if (m_caster.GetGuardianPet() == null)
{
if (m_triggeredByAuraSpell != null) // not report pet not existence for triggered spells
return SpellCastResult.DontReport;
else
return SpellCastResult.NoPet;
}
break;
}
}
// Spell casted only on Battleground
if (m_spellInfo.HasAttribute(SpellAttr3.Battleground) && m_caster.IsTypeId(TypeId.Player))
if (!m_caster.ToPlayer().InBattleground())
return SpellCastResult.OnlyBattlegrounds;
// do not allow spells to be cast in arenas or rated Battlegrounds
Player player = m_caster.ToPlayer();
if (player != null)
if (player.InArena()/* || player.InRatedBattleground() NYI*/)
{
castResult = CheckArenaAndRatedBattlegroundCastRules();
if (castResult != SpellCastResult.SpellCastOk)
return castResult;
}
// zone check
if (m_caster.IsTypeId(TypeId.Unit) || !m_caster.ToPlayer().IsGameMaster())
{
uint zone, area;
m_caster.GetZoneAndAreaId(out zone, out area);
SpellCastResult locRes = m_spellInfo.CheckLocation(m_caster.GetMapId(), zone, area, m_caster.ToPlayer());
if (locRes != SpellCastResult.SpellCastOk)
return locRes;
}
// not let players cast spells at mount (and let do it to creatures)
if (m_caster.IsMounted() && m_caster.IsTypeId(TypeId.Player) && !Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreCasterMountedOrOnVehicle) &&
!m_spellInfo.IsPassive() && !m_spellInfo.HasAttribute(SpellAttr0.CastableWhileMounted))
{
if (m_caster.IsInFlight())
return SpellCastResult.NotOnTaxi;
else
return SpellCastResult.NotMounted;
}
// check spell focus object
if (m_spellInfo.RequiresSpellFocus != 0)
{
focusObject = SearchSpellFocus();
if (!focusObject)
return SpellCastResult.RequiresSpellFocus;
}
castResult = SpellCastResult.SpellCastOk;
// always (except passive spells) check items (focus object can be required for any type casts)
if (!m_spellInfo.IsPassive())
{
castResult = CheckItems();
if (castResult != SpellCastResult.SpellCastOk)
return castResult;
}
// Triggered spells also have range check
// @todo determine if there is some flag to enable/disable the check
castResult = CheckRange(strict);
if (castResult != SpellCastResult.SpellCastOk)
return castResult;
if (!Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnorePowerAndReagentCost))
{
castResult = CheckPower();
if (castResult != SpellCastResult.SpellCastOk)
return castResult;
}
if (!Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreCasterAuras))
{
castResult = CheckCasterAuras();
if (castResult != SpellCastResult.SpellCastOk)
return castResult;
}
// script hook
castResult = CallScriptCheckCastHandlers();
if (castResult != SpellCastResult.SpellCastOk)
return castResult;
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect == null)
continue;
// for effects of spells that have only one target
switch (effect.Effect)
{
case SpellEffectName.Dummy:
{
if (m_spellInfo.Id == 19938) // Awaken Peon
{
Unit unit = m_targets.GetUnitTarget();
if (unit == null || !unit.HasAura(17743))
return SpellCastResult.BadTargets;
}
else if (m_spellInfo.Id == 31789) // Righteous Defense
{
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.DontReport;
Unit target1 = m_targets.GetUnitTarget();
if (target1 == null || !target1.IsFriendlyTo(m_caster) || target1.getAttackers().Empty())
return SpellCastResult.BadTargets;
}
break;
}
case SpellEffectName.LearnSpell:
{
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.BadTargets;
if (effect.TargetA.GetTarget() != Targets.UnitPet)
break;
Pet pet = m_caster.ToPlayer().GetPet();
if (pet == null)
return SpellCastResult.NoPet;
SpellInfo learn_spellproto = Global.SpellMgr.GetSpellInfo(effect.TriggerSpell);
if (learn_spellproto == null)
return SpellCastResult.NotKnown;
if (m_spellInfo.SpellLevel > pet.getLevel())
return SpellCastResult.Lowlevel;
break;
}
case SpellEffectName.UnlockGuildVaultTab:
{
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.BadTargets;
var guild = m_caster.ToPlayer().GetGuild();
if (guild != null)
if (guild.GetLeaderGUID() != m_caster.ToPlayer().GetGUID())
return SpellCastResult.CantDoThatRightNow;
break;
}
case SpellEffectName.LearnPetSpell:
{
// check target only for unit target case
Unit target = m_targets.GetUnitTarget();
if (target != null)
{
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.BadTargets;
Pet pet = target.ToPet();
if (pet == null || pet.GetOwner() != m_caster)
return SpellCastResult.BadTargets;
SpellInfo learn_spellproto = Global.SpellMgr.GetSpellInfo(effect.TriggerSpell);
if (learn_spellproto == null)
return SpellCastResult.NotKnown;
if (m_spellInfo.SpellLevel > pet.getLevel())
return SpellCastResult.Lowlevel;
}
break;
}
case SpellEffectName.ApplyGlyph:
{
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.GlyphNoSpec;
Player caster = m_caster.ToPlayer();
if (!caster.HasSpell(m_misc.SpellId))
return SpellCastResult.NotKnown;
uint glyphId = (uint)effect.MiscValue;
if (glyphId != 0)
{
GlyphPropertiesRecord glyphProperties = CliDB.GlyphPropertiesStorage.LookupByKey(glyphId);
if (glyphProperties == null)
return SpellCastResult.InvalidGlyph;
List<uint> glyphBindableSpells = Global.DB2Mgr.GetGlyphBindableSpells(glyphId);
if (glyphBindableSpells.Empty())
return SpellCastResult.InvalidGlyph;
if (!glyphBindableSpells.Contains(m_misc.SpellId))
return SpellCastResult.InvalidGlyph;
List<uint> glyphRequiredSpecs = Global.DB2Mgr.GetGlyphRequiredSpecs(glyphId);
if (!glyphRequiredSpecs.Empty())
{
if (caster.GetUInt32Value(PlayerFields.CurrentSpecId) == 0)
return SpellCastResult.GlyphNoSpec;
if (!glyphRequiredSpecs.Contains(caster.GetUInt32Value(PlayerFields.CurrentSpecId)))
return SpellCastResult.GlyphInvalidSpec;
}
uint replacedGlyph = 0;
foreach (uint activeGlyphId in caster.GetGlyphs(caster.GetActiveTalentGroup()))
{
List<uint> activeGlyphBindableSpells = Global.DB2Mgr.GetGlyphBindableSpells(activeGlyphId);
if (!activeGlyphBindableSpells.Empty())
{
if (activeGlyphBindableSpells.Contains(m_misc.SpellId))
{
replacedGlyph = activeGlyphId;
break;
}
}
}
foreach (uint activeGlyphId in caster.GetGlyphs(caster.GetActiveTalentGroup()))
{
if (activeGlyphId == replacedGlyph)
continue;
if (activeGlyphId == glyphId)
return SpellCastResult.UniqueGlyph;
if (CliDB.GlyphPropertiesStorage.LookupByKey(activeGlyphId).GlyphExclusiveCategoryID == glyphProperties.GlyphExclusiveCategoryID)
return SpellCastResult.GlyphExclusiveCategory;
}
}
break;
}
case SpellEffectName.FeedPet:
{
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.BadTargets;
Item foodItem = m_targets.GetItemTarget();
if (!foodItem)
return SpellCastResult.BadTargets;
Pet pet = m_caster.ToPlayer().GetPet();
if (!pet)
return SpellCastResult.NoPet;
if (!pet.HaveInDiet(foodItem.GetTemplate()))
return SpellCastResult.WrongPetFood;
if (pet.GetCurrentFoodBenefitLevel(foodItem.GetTemplate().GetBaseItemLevel()) == 0)
return SpellCastResult.FoodLowlevel;
if (m_caster.IsInCombat() || pet.IsInCombat())
return SpellCastResult.AffectingCombat;
break;
}
case SpellEffectName.PowerBurn:
case SpellEffectName.PowerDrain:
{
// Can be area effect, Check only for players and not check if target - caster (spell can have multiply drain/burn effects)
if (m_caster.IsTypeId(TypeId.Player))
{
Unit target1 = m_targets.GetUnitTarget();
if (target1 != null)
if (target1 != m_caster && unitTarget.getPowerType() != (PowerType)effect.MiscValue)
return SpellCastResult.BadTargets;
}
break;
}
case SpellEffectName.Charge:
{
if (m_caster.HasUnitState(UnitState.Root))
return SpellCastResult.Rooted;
if (GetSpellInfo().NeedsExplicitUnitTarget())
{
Unit target1 = m_targets.GetUnitTarget();
if (target1 == null)
return SpellCastResult.DontReport;
float objSize = target1.GetObjectSize();
float range = m_spellInfo.GetMaxRange(true, m_caster, this) * 1.5f + objSize; // can't be overly strict
m_preGeneratedPath.SetPathLengthLimit(range);
//first try with raycast, if it fails fall back to normal path
float targetObjectSize = Math.Min(target1.GetObjectSize(), 4.0f);
bool result = m_preGeneratedPath.CalculatePath(target1.GetPositionX(), target1.GetPositionY(), target1.GetPositionZ() + targetObjectSize, false, true);
if (m_preGeneratedPath.GetPathType().HasAnyFlag(PathType.Short))
return SpellCastResult.OutOfRange;
else if (!result || m_preGeneratedPath.GetPathType().HasAnyFlag(PathType.NoPath | PathType.Incomplete))
{
result = m_preGeneratedPath.CalculatePath(target1.GetPositionX(), target1.GetPositionY(), target1.GetPositionZ() + targetObjectSize, false, false);
if (m_preGeneratedPath.GetPathType().HasAnyFlag(PathType.Short))
return SpellCastResult.OutOfRange;
else if (!result || m_preGeneratedPath.GetPathType().HasAnyFlag(PathType.NoPath | PathType.Incomplete))
return SpellCastResult.NoPath;
else if (m_preGeneratedPath.IsInvalidDestinationZ(target1)) // Check position z, if not in a straight line
return SpellCastResult.NoPath;
}
else if (m_preGeneratedPath.IsInvalidDestinationZ(target1)) // Check position z, if in a straight line
return SpellCastResult.NoPath;
m_preGeneratedPath.ReducePathLenghtByDist(objSize); //move back
}
break;
}
case SpellEffectName.Skinning:
{
if (!m_caster.IsTypeId(TypeId.Player) || m_targets.GetUnitTarget() == null || !m_targets.GetUnitTarget().IsTypeId(TypeId.Unit))
return SpellCastResult.BadTargets;
if (!Convert.ToBoolean(m_targets.GetUnitTarget().GetUInt32Value(UnitFields.Flags) & (uint)UnitFlags.Skinnable))
return SpellCastResult.TargetUnskinnable;
Creature creature = m_targets.GetUnitTarget().ToCreature();
if (!creature.IsCritter() && !creature.loot.isLooted())
return SpellCastResult.TargetNotLooted;
SkillType skill = creature.GetCreatureTemplate().GetRequiredLootSkill();
ushort skillValue = m_caster.ToPlayer().GetSkillValue(skill);
uint TargetLevel = m_targets.GetUnitTarget().GetLevelForTarget(m_caster);
int ReqValue = (int)(skillValue < 100 ? (TargetLevel - 10) * 10 : TargetLevel * 5);
if (ReqValue > skillValue)
return SpellCastResult.LowCastlevel;
break;
}
case SpellEffectName.OpenLock:
{
if (effect.TargetA.GetTarget() != Targets.GameobjectTarget &&
effect.TargetA.GetTarget() != Targets.GameobjectItemTarget)
break;
if (!m_caster.IsTypeId(TypeId.Player) // only players can open locks, gather etc.
// we need a go target in case of TARGET_GAMEOBJECT_TARGET
|| (effect.TargetA.GetTarget() == Targets.GameobjectTarget && m_targets.GetGOTarget() == null))
return SpellCastResult.BadTargets;
Item pTempItem = null;
if (Convert.ToBoolean(m_targets.GetTargetMask() & SpellCastTargetFlags.TradeItem))
{
TradeData pTrade = m_caster.ToPlayer().GetTradeData();
if (pTrade != null)
pTempItem = pTrade.GetTraderData().GetItem((TradeSlots)m_targets.GetItemTargetGUID().GetLowValue());
}
else if (Convert.ToBoolean(m_targets.GetTargetMask() & SpellCastTargetFlags.Item))
pTempItem = m_caster.ToPlayer().GetItemByGuid(m_targets.GetItemTargetGUID());
// we need a go target, or an openable item target in case of TARGET_GAMEOBJECT_ITEM_TARGET
if (effect.TargetA.GetTarget() == Targets.GameobjectItemTarget &&
m_targets.GetGOTarget() == null && (pTempItem == null || pTempItem.GetTemplate().GetLockID() == 0 || !pTempItem.IsLocked()))
return SpellCastResult.BadTargets;
if (m_spellInfo.Id != 1842 || (m_targets.GetGOTarget() != null &&
m_targets.GetGOTarget().GetGoInfo().type != GameObjectTypes.Trap))
if (m_caster.ToPlayer().InBattleground() && // In Battlegroundplayers can use only flags and banners
!m_caster.ToPlayer().CanUseBattlegroundObject(m_targets.GetGOTarget()))
return SpellCastResult.TryAgain;
// get the lock entry
uint lockId = 0;
GameObject go = m_targets.GetGOTarget();
Item itm = m_targets.GetItemTarget();
if (go != null)
{
lockId = go.GetGoInfo().GetLockId();
if (lockId == 0)
return SpellCastResult.BadTargets;
}
else if (itm != null)
lockId = itm.GetTemplate().GetLockID();
SkillType skillId = SkillType.None;
int reqSkillValue = 0;
int skillValue = 0;
// check lock compatibility
SpellCastResult res = CanOpenLock(effect.EffectIndex, lockId, ref skillId, ref reqSkillValue, ref skillValue);
if (res != SpellCastResult.SpellCastOk)
return res;
break;
}
case SpellEffectName.ResurrectPet:
{
Creature pet = m_caster.GetGuardianPet();
if (pet != null && pet.IsAlive())
return SpellCastResult.AlreadyHaveSummon;
break;
}
// This is generic summon effect
case SpellEffectName.Summon:
{
var SummonProperties = CliDB.SummonPropertiesStorage.LookupByKey(effect.MiscValueB);
if (SummonProperties == null)
break;
switch (SummonProperties.Category)
{
case SummonCategory.Pet:
if (!m_spellInfo.HasAttribute(SpellAttr1.DismissPet) && !m_caster.GetPetGUID().IsEmpty())
return SpellCastResult.AlreadyHaveSummon;
break;
case SummonCategory.Puppet:
if (!m_caster.GetCharmGUID().IsEmpty())
return SpellCastResult.AlreadyHaveCharm;
break;
}
break;
}
case SpellEffectName.CreateTamedPet:
{
if (m_targets.GetUnitTarget() != null)
{
if (!m_targets.GetUnitTarget().IsTypeId(TypeId.Player))
return SpellCastResult.BadTargets;
if (!m_spellInfo.HasAttribute(SpellAttr1.DismissPet) && !m_targets.GetUnitTarget().GetPetGUID().IsEmpty())
return SpellCastResult.AlreadyHaveSummon;
}
break;
}
case SpellEffectName.SummonPet:
{
if (!m_caster.GetPetGUID().IsEmpty()) //let warlock do a replacement summon
{
if (m_caster.IsTypeId(TypeId.Player))
{
if (strict) //starting cast, trigger pet stun (cast by pet so it doesn't attack player)
{
Pet pet = m_caster.ToPlayer().GetPet();
if (pet != null)
pet.CastSpell(pet, 32752, true, null, null, pet.GetGUID());
}
}
else if (!m_spellInfo.HasAttribute(SpellAttr1.DismissPet))
return SpellCastResult.AlreadyHaveSummon;
}
if (!m_caster.GetCharmGUID().IsEmpty())
return SpellCastResult.AlreadyHaveCharm;
break;
}
case SpellEffectName.SummonPlayer:
{
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.BadTargets;
if (m_caster.ToPlayer().GetTarget().IsEmpty())
return SpellCastResult.BadTargets;
Player target = Global.ObjAccessor.FindPlayer(m_caster.ToPlayer().GetTarget());
if (target == null || m_caster.ToPlayer() == target || (!target.IsInSameRaidWith(m_caster.ToPlayer()) && m_spellInfo.Id != 48955)) // refer-a-friend spell
return SpellCastResult.BadTargets;
if (target.HasSummonPending())
return SpellCastResult.SummonPending;
// check if our map is dungeon
MapRecord map = CliDB.MapStorage.LookupByKey(m_caster.GetMapId());
if (map.IsDungeon())
{
uint mapId = m_caster.GetMap().GetId();
Difficulty difficulty = m_caster.GetMap().GetDifficultyID();
if (map.IsRaid())
{
InstanceBind targetBind = target.GetBoundInstance(mapId, difficulty);
if (targetBind != null)
{
InstanceBind casterBind = m_caster.ToPlayer().GetBoundInstance(mapId, difficulty);
if (casterBind != null)
if (targetBind.perm && targetBind.save != casterBind.save)
return SpellCastResult.TargetLockedToRaidInstance;
}
}
InstanceTemplate instance = Global.ObjectMgr.GetInstanceTemplate(mapId);
if (instance == null)
return SpellCastResult.TargetNotInInstance;
if (!target.Satisfy(Global.ObjectMgr.GetAccessRequirement(mapId, difficulty), mapId))
return SpellCastResult.BadTargets;
}
break;
}
// RETURN HERE
case SpellEffectName.SummonRafFriend:
{
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.BadTargets;
Player playerCaster = m_caster.ToPlayer();
//
if (playerCaster.GetTarget().IsEmpty())
return SpellCastResult.BadTargets;
Player target1 = Global.ObjAccessor.FindPlayer(playerCaster.GetTarget());
if (target1 == null ||
!(target1.GetSession().GetRecruiterId() == playerCaster.GetSession().GetAccountId() || target1.GetSession().GetAccountId() == playerCaster.GetSession().GetRecruiterId()))
return SpellCastResult.BadTargets;
break;
}
case SpellEffectName.Leap:
case SpellEffectName.TeleportUnitsFaceCaster:
{
//Do not allow to cast it before BG starts.
if (m_caster.IsTypeId(TypeId.Player))
{
Battleground bg = m_caster.ToPlayer().GetBattleground();
if (bg)
if (bg.GetStatus() != BattlegroundStatus.InProgress)
return SpellCastResult.TryAgain;
}
break;
}
case SpellEffectName.StealBeneficialBuff:
{
if (m_targets.GetUnitTarget() == m_caster)
return SpellCastResult.BadTargets;
break;
}
case SpellEffectName.LeapBack:
{
if (m_caster.HasUnitState(UnitState.Root))
{
if (m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.Rooted;
else
return SpellCastResult.DontReport;
}
break;
}
case SpellEffectName.TalentSpecSelect:
{
ChrSpecializationRecord spec = CliDB.ChrSpecializationStorage.LookupByKey(m_misc.SpecializationId);
Player playerCaster = m_caster.ToPlayer();
if (!playerCaster)
return SpellCastResult.TargetNotPlayer;
if (spec == null || (spec.ClassID != (uint)m_caster.GetClass() && !spec.IsPetSpecialization()))
return SpellCastResult.NoSpec;
if (spec.IsPetSpecialization())
{
Pet pet = player.GetPet();
if (!pet || pet.getPetType() != PetType.Hunter || pet.GetCharmInfo() == null)
return SpellCastResult.NoPet;
}
// can't change during already started arena/Battleground
Battleground bg = player.GetBattleground();
if (bg)
if (bg.GetStatus() == BattlegroundStatus.InProgress)
return SpellCastResult.NotInBattleground;
break;
}
case SpellEffectName.RemoveTalent:
{
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.BadTargets;
TalentRecord talent = CliDB.TalentStorage.LookupByKey(m_misc.TalentId);
if (talent == null)
return SpellCastResult.DontReport;
if (m_caster.GetSpellHistory().HasCooldown(talent.SpellID))
return SpellCastResult.CantUntalent;
break;
}
case SpellEffectName.GiveArtifactPower:
case SpellEffectName.GiveArtifactPowerNoBonus:
{
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.BadTargets;
Aura artifactAura = m_caster.GetAura(PlayerConst.ArtifactsAllWeaponsGeneralWeaponEquippedPassive);
if (artifactAura == null)
return SpellCastResult.NoArtifactEquipped;
Item artifact = m_caster.ToPlayer().GetItemByGuid(artifactAura.GetCastItemGUID());
if (artifact == null)
return SpellCastResult.NoArtifactEquipped;
if (effect.Effect == SpellEffectName.GiveArtifactPower)
{
ArtifactRecord artifactEntry = CliDB.ArtifactStorage.LookupByKey(artifact.GetTemplate().GetArtifactID());
if (artifactEntry == null || artifactEntry.ArtifactCategoryID != effect.MiscValue)
return SpellCastResult.WrongArtifactEquipped;
}
break;
}
default:
break;
}
}
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect == null)
continue;
switch (effect.ApplyAuraName)
{
case AuraType.ModPossessPet:
{
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.NoPet;
Pet pet = m_caster.ToPlayer().GetPet();
if (pet == null)
return SpellCastResult.NoPet;
if (!pet.GetCharmerGUID().IsEmpty())
return SpellCastResult.Charmed;
break;
}
case AuraType.ModPossess:
case AuraType.ModCharm:
case AuraType.AoeCharm:
{
if (!m_caster.GetCharmerGUID().IsEmpty())
return SpellCastResult.Charmed;
if (effect.ApplyAuraName == AuraType.ModCharm
|| effect.ApplyAuraName == AuraType.ModPossess)
{
if (!m_spellInfo.HasAttribute(SpellAttr1.DismissPet) && !m_caster.GetPetGUID().IsEmpty())
return SpellCastResult.AlreadyHaveSummon;
if (!m_caster.GetCharmGUID().IsEmpty())
return SpellCastResult.AlreadyHaveCharm;
}
Unit target1 = m_targets.GetUnitTarget();
if (target1 != null)
{
if (target1.IsTypeId(TypeId.Unit) && target1.ToCreature().IsVehicle())
return SpellCastResult.BadImplicitTargets;
if (target1.IsMounted())
return SpellCastResult.CantBeCharmed;
if (!target1.GetCharmerGUID().IsEmpty())
return SpellCastResult.Charmed;
if (target1.GetOwner() != null && target1.GetOwner().IsTypeId(TypeId.Player))
return SpellCastResult.TargetIsPlayerControlled;
int damage = CalculateDamage(effect.EffectIndex, target1);
if (damage != 0 && target1.GetLevelForTarget(m_caster) > damage)
return SpellCastResult.Highlevel;
}
break;
}
case AuraType.Mounted:
{
if (m_caster.IsInWater() && m_spellInfo.HasAura(m_caster.GetMap().GetDifficultyID(), AuraType.ModIncreaseMountedFlightSpeed))
return SpellCastResult.OnlyAbovewater;
// Ignore map check if spell have AreaId. AreaId already checked and this prevent special mount spells
bool allowMount = !m_caster.GetMap().IsDungeon() || m_caster.GetMap().IsBattlegroundOrArena();
InstanceTemplate it = Global.ObjectMgr.GetInstanceTemplate(m_caster.GetMapId());
if (it != null)
allowMount = it.AllowMount;
if (m_caster.IsTypeId(TypeId.Player) && !allowMount && m_spellInfo.RequiredAreasID == 0)
return SpellCastResult.NoMountsAllowed;
if (m_caster.IsInDisallowedMountForm())
return SpellCastResult.NotShapeshift;
break;
}
case AuraType.RangedAttackPowerAttackerBonus:
{
if (m_targets.GetUnitTarget() == null)
return SpellCastResult.BadImplicitTargets;
// can be casted at non-friendly unit or own pet/charm
if (m_caster.IsFriendlyTo(m_targets.GetUnitTarget()))
return SpellCastResult.TargetFriendly;
break;
}
case AuraType.Fly:
case AuraType.ModIncreaseFlightSpeed:
{
// not allow cast fly spells if not have req. skills (all spells is self target)
// allow always ghost flight spells
if (m_originalCaster != null && m_originalCaster.IsTypeId(TypeId.Player) && m_originalCaster.IsAlive())
{
BattleField Bf = Global.BattleFieldMgr.GetBattlefieldToZoneId(m_originalCaster.GetZoneId());
var area = CliDB.AreaTableStorage.LookupByKey(m_originalCaster.GetAreaId());
if (area != null)
if (area.Flags[0].HasAnyFlag(AreaFlags.NoFlyZone) || (Bf != null && !Bf.CanFlyIn()))
return SpellCastResult.NotHere;
}
break;
}
case AuraType.PeriodicManaLeech:
{
if (effect.IsTargetingArea())
break;
if (m_targets.GetUnitTarget() == null)
return SpellCastResult.BadImplicitTargets;
if (!m_caster.IsTypeId(TypeId.Player) || m_CastItem != null)
break;
if (m_targets.GetUnitTarget().getPowerType() != PowerType.Mana)
return SpellCastResult.BadTargets;
break;
}
default:
break;
}
}
// check trade slot case (last, for allow catch any another cast problems)
if (Convert.ToBoolean(m_targets.GetTargetMask() & SpellCastTargetFlags.TradeItem))
{
if (m_CastItem != null)
return SpellCastResult.ItemEnchantTradeWindow;
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.NotTrading;
TradeData my_trade = m_caster.ToPlayer().GetTradeData();
if (my_trade == null)
return SpellCastResult.NotTrading;
TradeSlots slot = (TradeSlots)m_targets.GetItemTargetGUID().GetLowValue();
if (slot != TradeSlots.NonTraded)
return SpellCastResult.BadTargets;
if (!IsTriggered())
if (my_trade.GetSpell() != 0)
return SpellCastResult.ItemAlreadyEnchanted;
}
// check if caster has at least 1 combo point for spells that require combo points
if (m_needComboPoints)
{
Player plrCaster = m_caster.ToPlayer();
if (plrCaster != null)
if (plrCaster.GetComboPoints() == 0)
return SpellCastResult.NoComboPoints;
}
// all ok
return SpellCastResult.SpellCastOk;
}
public SpellCastResult CheckPetCast(Unit target)
{
if (m_caster.HasUnitState(UnitState.Casting) && !Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreCastInProgress)) //prevent spellcast interruption by another spellcast
return SpellCastResult.SpellInProgress;
// dead owner (pets still alive when owners ressed?)
Unit owner = m_caster.GetCharmerOrOwner();
if (owner != null)
if (!owner.IsAlive())
return SpellCastResult.CasterDead;
if (target == null && m_targets.GetUnitTarget() != null)
target = m_targets.GetUnitTarget();
if (m_spellInfo.NeedsExplicitUnitTarget())
{
if (target == null)
return SpellCastResult.BadImplicitTargets;
m_targets.SetUnitTarget(target);
}
// cooldown
Creature creatureCaster = m_caster.ToCreature();
if (creatureCaster)
if (creatureCaster.GetSpellHistory().HasCooldown(m_spellInfo.Id))
return SpellCastResult.NotReady;
// Check if spell is affected by GCD
if (m_spellInfo.StartRecoveryCategory > 0)
if (m_caster.GetCharmInfo() != null && m_caster.GetSpellHistory().HasGlobalCooldown(m_spellInfo))
return SpellCastResult.NotReady;
return CheckCast(true);
}
SpellCastResult CheckCasterAuras()
{
// spells totally immuned to caster auras (wsg flag drop, give marks etc)
if (m_spellInfo.HasAttribute(SpellAttr6.IgnoreCasterAuras))
return SpellCastResult.SpellCastOk;
int school_immune = 0;
uint mechanic_immune = 0;
uint dispel_immune = 0;
// Check if the spell grants school or mechanic immunity.
// We use bitmasks so the loop is done only once and not on every aura check below.
if (m_spellInfo.HasAttribute(SpellAttr1.DispelAurasOnImmunity))
{
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect == null)
continue;
if (effect.ApplyAuraName == AuraType.SchoolImmunity)
school_immune |= effect.MiscValue;
else if (effect.ApplyAuraName == AuraType.MechanicImmunity)
mechanic_immune |= (uint)(1 << effect.MiscValue);
else if (effect.ApplyAuraName == AuraType.DispelImmunity)
dispel_immune |= SpellInfo.GetDispelMask((DispelType)effect.MiscValue);
}
// immune movement impairment and loss of control
if (m_spellInfo.Id == 42292 || m_spellInfo.Id == 59752 || m_spellInfo.Id == 19574 || m_spellInfo.Id == 53490)
mechanic_immune = (uint)Mechanics.ImmuneToMovementImpairmentAndLossControlMask;
}
bool usableInStun = m_spellInfo.HasAttribute(SpellAttr5.UsableWhileStunned);
// Glyph of Pain Suppression
// Allow Pain Suppression and Guardian Spirit to be cast while stunned
// there is no other way to handle it
if ((m_spellInfo.Id == 33206 || m_spellInfo.Id == 47788) && !m_caster.HasAura(63248))
usableInStun = false;
// Check whether the cast should be prevented by any state you might have.
SpellCastResult prevented_reason = SpellCastResult.SpellCastOk;
// Have to check if there is a stun aura. Otherwise will have problems with ghost aura apply while logging out
UnitFlags unitflag = (UnitFlags)m_caster.GetUInt32Value(UnitFields.Flags); // Get unit state
if (Convert.ToBoolean(unitflag & UnitFlags.Stunned))
{
// spell is usable while stunned, check if caster has allowed stun auras, another stun types must prevent cast spell
if (usableInStun)
{
uint allowedStunMask =
1 << (int)Mechanics.Stun
| 1 << (int)Mechanics.Freeze
| 1 << (int)Mechanics.Sapped
| 1 << (int)Mechanics.Sleep;
bool foundNotStun = false;
var stunAuras = m_caster.GetAuraEffectsByType(AuraType.ModStun);
foreach (var auraEffect in stunAuras)
{
uint mechanicMask = auraEffect.GetSpellInfo().GetAllEffectsMechanicMask();
if (mechanicMask != 0 && !Convert.ToBoolean(mechanicMask & allowedStunMask))
{
foundNotStun = true;
break;
}
}
if (foundNotStun)
prevented_reason = SpellCastResult.Stunned;
}
else
prevented_reason = SpellCastResult.Stunned;
}
else if (unitflag.HasAnyFlag(UnitFlags.Confused) && !m_spellInfo.HasAttribute(SpellAttr5.UsableWhileConfused))
prevented_reason = SpellCastResult.Confused;
else if (unitflag.HasAnyFlag(UnitFlags.Fleeing) && !m_spellInfo.HasAttribute(SpellAttr5.UsableWhileFeared))
prevented_reason = SpellCastResult.Fleeing;
else if (unitflag.HasAnyFlag(UnitFlags.Silenced) && m_spellInfo.PreventionType.HasAnyFlag(SpellPreventionType.Silence))
prevented_reason = SpellCastResult.Silenced;
else if (unitflag.HasAnyFlag(UnitFlags.Pacified) && m_spellInfo.PreventionType.HasAnyFlag(SpellPreventionType.Pacify))
prevented_reason = SpellCastResult.Pacified;
else if (m_caster.HasFlag(UnitFields.Flags2, UnitFlags2.NoActions) && m_spellInfo.PreventionType.HasAnyFlag(SpellPreventionType.NoActions))
prevented_reason = SpellCastResult.NoActions;
// Attr must make flag drop spell totally immune from all effects
if (prevented_reason != SpellCastResult.SpellCastOk)
{
if (school_immune != 0 || mechanic_immune != 0 || dispel_immune != 0)
{
//Checking auras is needed now, because you are prevented by some state but the spell grants immunity.
foreach (var pair in m_caster.GetAppliedAuras())
{
Aura aura = pair.Value.GetBase();
SpellInfo auraInfo = aura.GetSpellInfo();
if (Convert.ToBoolean(auraInfo.GetAllEffectsMechanicMask() & mechanic_immune))
continue;
if (Convert.ToBoolean((int)auraInfo.GetSchoolMask() & school_immune) && !auraInfo.HasAttribute(SpellAttr1.UnaffectedBySchoolImmune))
continue;
if (Convert.ToBoolean((int)auraInfo.GetDispelMask() & dispel_immune))
continue;
//Make a second check for spell failed so the right SPELL_FAILED message is returned.
//That is needed when your casting is prevented by multiple states and you are only immune to some of them.
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect == null)
continue;
AuraEffect part = aura.GetEffect(effect.EffectIndex);
if (part != null)
{
switch (part.GetAuraType())
{
case AuraType.ModStun:
if (!usableInStun || !Convert.ToBoolean(auraInfo.GetAllEffectsMechanicMask() & (1 << (int)Mechanics.Stun)))
return SpellCastResult.Stunned;
break;
case AuraType.ModConfuse:
if (!m_spellInfo.HasAttribute(SpellAttr5.UsableWhileConfused))
return SpellCastResult.Confused;
break;
case AuraType.ModFear:
if (!m_spellInfo.HasAttribute(SpellAttr5.UsableWhileFeared))
return SpellCastResult.Fleeing;
break;
case AuraType.ModSilence:
case AuraType.ModPacify:
case AuraType.ModPacifySilence:
if (m_spellInfo.PreventionType.HasAnyFlag(SpellPreventionType.Pacify))
return SpellCastResult.Pacified;
else if (m_spellInfo.PreventionType.HasAnyFlag(SpellPreventionType.Silence))
return SpellCastResult.Silenced;
break;
default:
break;
}
}
}
}
}
// You are prevented from casting and the spell casted does not grant immunity. Return a failed error.
else
return prevented_reason;
}
return SpellCastResult.SpellCastOk;
}
SpellCastResult CheckArenaAndRatedBattlegroundCastRules()
{
bool isRatedBattleground = false; // NYI
bool isArena = !isRatedBattleground;
// check USABLE attributes
// USABLE takes precedence over NOT_USABLE
if (isRatedBattleground && m_spellInfo.HasAttribute(SpellAttr9.UsableInRatedBattlegrounds))
return SpellCastResult.SpellCastOk;
if (isArena && m_spellInfo.HasAttribute(SpellAttr4.UsableInArena))
return SpellCastResult.SpellCastOk;
// check NOT_USABLE attributes
if (m_spellInfo.HasAttribute(SpellAttr4.NotUsableInArenaOrRatedBg))
return isArena ? SpellCastResult.NotInArena : SpellCastResult.NotInBattleground;
if (isArena && m_spellInfo.HasAttribute(SpellAttr9.NotUsableInArena))
return SpellCastResult.NotInArena;
// check cooldowns
uint spellCooldown = m_spellInfo.GetRecoveryTime();
if (isArena && spellCooldown > 10 * Time.Minute * Time.InMilliseconds) // not sure if still needed
return SpellCastResult.NotInArena;
if (isRatedBattleground && spellCooldown > 15 * Time.Minute * Time.InMilliseconds)
return SpellCastResult.NotInBattleground;
return SpellCastResult.SpellCastOk;
}
public bool CanAutoCast(Unit target)
{
if (!target)
return (CheckPetCast(target) == SpellCastResult.SpellCastOk);
ObjectGuid targetguid = target.GetGUID();
// check if target already has the same or a more powerful aura
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect == null)
continue;
if (!effect.IsAura())
continue;
AuraType auraType = effect.ApplyAuraName;
var auras = target.GetAuraEffectsByType(auraType);
foreach (var eff in auras)
{
if (GetSpellInfo().Id == eff.GetSpellInfo().Id)
return false;
switch (Global.SpellMgr.CheckSpellGroupStackRules(GetSpellInfo(), eff.GetSpellInfo()))
{
case SpellGroupStackRule.Exclusive:
return false;
case SpellGroupStackRule.ExclusiveFromSameCaster:
if (GetCaster() == eff.GetCaster())
return false;
break;
case SpellGroupStackRule.ExclusiveSameEffect: // this one has further checks, but i don't think they're necessary for autocast logic
case SpellGroupStackRule.ExclusiveHighest:
if (Math.Abs(effect.BasePoints) <= Math.Abs(eff.GetAmount()))
return false;
break;
case SpellGroupStackRule.Default:
default:
break;
}
}
}
SpellCastResult result = CheckPetCast(target);
if (result == SpellCastResult.SpellCastOk || result == SpellCastResult.UnitNotInfront)
{
// do not check targets for ground-targeted spells (we target them on top of the intended target anyway)
if (GetSpellInfo().ExplicitTargetMask.HasAnyFlag((uint)SpellCastTargetFlags.DestLocation))
return true;
SelectSpellTargets();
//check if among target units, our WANTED target is as well (.only self cast spells return false)
foreach (var ihit in m_UniqueTargetInfo)
if (ihit.targetGUID == targetguid)
return true;
}
// either the cast failed or the intended target wouldn't be hit
return false;
}
SpellCastResult CheckRange(bool strict)
{
// Don't check for instant cast spells
if (!strict && m_casttime == 0)
return SpellCastResult.SpellCastOk;
(float minRange, float maxRange) = GetMinMaxRange(strict);
// get square values for sqr distance checks
minRange *= minRange;
maxRange *= maxRange;
Unit target = m_targets.GetUnitTarget();
if (target && target != m_caster)
{
if (m_caster.GetExactDistSq(target) > maxRange)
return SpellCastResult.OutOfRange;
if (minRange > 0.0f && m_caster.GetExactDistSq(target) < minRange)
return SpellCastResult.OutOfRange;
if (m_caster.IsTypeId(TypeId.Player) &&
((m_spellInfo.FacingCasterFlags.HasAnyFlag(1u) && !m_caster.HasInArc((float)Math.PI, target))
&& !m_caster.IsWithinBoundaryRadius(target)))
return SpellCastResult.UnitNotInfront;
}
if (m_targets.HasDst() && !m_targets.HasTraj())
{
if (m_caster.GetExactDistSq(m_targets.GetDstPos()) > maxRange)
return SpellCastResult.OutOfRange;
if (minRange > 0.0f && m_caster.GetExactDistSq(m_targets.GetDstPos()) < minRange)
return SpellCastResult.OutOfRange;
}
return SpellCastResult.SpellCastOk;
}
Tuple<float, float> GetMinMaxRange(bool strict)
{
float rangeMod = 0.0f;
float minRange = 0.0f;
float maxRange = 0.0f;
if (strict && IsNextMeleeSwingSpell())
{
maxRange = 100.0f;
return Tuple.Create(minRange, maxRange);
}
if (m_spellInfo.RangeEntry != null)
{
Unit target = m_targets.GetUnitTarget();
if (m_spellInfo.RangeEntry.Flags.HasAnyFlag(SpellRangeFlag.Melee))
{
rangeMod = m_caster.GetMeleeRange(target ? target : m_caster); // when the target is not a unit, take the caster's combat reach as the target's combat reach.
}
else
{
float meleeRange = 0.0f;
if (m_spellInfo.RangeEntry.Flags.HasAnyFlag(SpellRangeFlag.Ranged))
meleeRange = m_caster.GetMeleeRange(target ? target : m_caster); // when the target is not a unit, take the caster's combat reach as the target's combat reach.
minRange = m_caster.GetSpellMinRangeForTarget(target, m_spellInfo) + meleeRange;
maxRange = m_caster.GetSpellMaxRangeForTarget(target, m_spellInfo);
if (target || m_targets.GetCorpseTarget())
{
rangeMod = m_caster.GetCombatReach() + (target ? target.GetCombatReach() : m_caster.GetCombatReach());
if (minRange > 0.0f && !m_spellInfo.RangeEntry.Flags.HasAnyFlag(SpellRangeFlag.Ranged))
minRange += rangeMod;
}
}
if (target && m_caster.isMoving() && target.isMoving() && !m_caster.IsWalking() && !target.IsWalking() &&
(m_spellInfo.RangeEntry.Flags.HasAnyFlag(SpellRangeFlag.Melee) || target.IsTypeId(TypeId.Player)))
rangeMod += 8.0f / 3.0f;
}
if (m_spellInfo.HasAttribute(SpellAttr0.ReqAmmo) && m_caster.IsTypeId(TypeId.Player))
{
Item ranged = m_caster.ToPlayer().GetWeaponForAttack(WeaponAttackType.RangedAttack, true);
if (ranged)
maxRange *= ranged.GetTemplate().GetRangedModRange() * 0.01f;
}
Player modOwner = m_caster.GetSpellModOwner();
if (modOwner)
modOwner.ApplySpellMod(m_spellInfo.Id, SpellModOp.Range, ref maxRange, this);
maxRange += rangeMod;
return Tuple.Create(minRange, maxRange);
}
SpellCastResult CheckPower()
{
// item cast not used power
if (m_CastItem != null)
return SpellCastResult.SpellCastOk;
foreach (SpellPowerCost cost in m_powerCost)
{
// health as power used - need check health amount
if (cost.Power == PowerType.Health)
{
if (m_caster.GetHealth() <= (uint)cost.Amount)
return SpellCastResult.CasterAurastate;
continue;
}
// Check valid power type
if (cost.Power >= PowerType.Max)
{
Log.outError(LogFilter.Spells, "Spell.CheckPower: Unknown power type '{0}'", cost.Power);
return SpellCastResult.Unknown;
}
//check rune cost only if a spell has PowerType == POWER_RUNES
if (cost.Power == PowerType.Runes)
{
SpellCastResult failReason = CheckRuneCost();
if (failReason != SpellCastResult.SpellCastOk)
return failReason;
}
// Check power amount
if (m_caster.GetPower(cost.Power) < cost.Amount)
return SpellCastResult.NoPower;
}
return SpellCastResult.SpellCastOk;
}
SpellCastResult CheckItems()
{
Player player = m_caster.ToPlayer();
if (!player)
return SpellCastResult.SpellCastOk;
if (m_CastItem == null)
{
if (!m_castItemGUID.IsEmpty())
return SpellCastResult.ItemNotReady;
}
else
{
uint itemid = m_CastItem.GetEntry();
if (!player.HasItemCount(itemid))
return SpellCastResult.ItemNotReady;
ItemTemplate proto = m_CastItem.GetTemplate();
if (proto == null)
return SpellCastResult.ItemNotReady;
for (int i = 0; i < proto.Effects.Count && i < 5; ++i)
if (proto.Effects[i].Charges > 0)
if (m_CastItem.GetSpellCharges(i) == 0)
return SpellCastResult.NoChargesRemain;
// consumable cast item checks
if (proto.GetClass() == ItemClass.Consumable && m_targets.GetUnitTarget() != null)
{
// such items should only fail if there is no suitable effect at all - see Rejuvenation Potions for example
SpellCastResult failReason = SpellCastResult.SpellCastOk;
foreach (SpellEffectInfo effect in GetEffects())
{
// skip check, pet not required like checks, and for TARGET_UNIT_PET m_targets.GetUnitTarget() is not the real target but the caster
if (effect == null || effect.TargetA.GetTarget() == Targets.UnitPet)
continue;
if (effect.Effect == SpellEffectName.Heal)
{
if (m_targets.GetUnitTarget().IsFullHealth())
{
failReason = SpellCastResult.AlreadyAtFullHealth;
continue;
}
else
{
failReason = SpellCastResult.SpellCastOk;
break;
}
}
// Mana Potion, Rage Potion, Thistle Tea(Rogue), ...
if (effect.Effect == SpellEffectName.Energize)
{
if (effect.MiscValue < 0 || effect.MiscValue >= (int)PowerType.Max)
{
failReason = SpellCastResult.AlreadyAtFullPower;
continue;
}
PowerType power = (PowerType)effect.MiscValue;
if (m_targets.GetUnitTarget().GetPower(power) == m_targets.GetUnitTarget().GetMaxPower(power))
{
failReason = SpellCastResult.AlreadyAtFullPower;
continue;
}
else
{
failReason = SpellCastResult.SpellCastOk;
break;
}
}
}
if (failReason != SpellCastResult.SpellCastOk)
return failReason;
}
}
// check target item
if (!m_targets.GetItemTargetGUID().IsEmpty())
{
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.BadTargets;
if (m_targets.GetItemTarget() == null)
return SpellCastResult.ItemGone;
if (!m_targets.GetItemTarget().IsFitToSpellRequirements(m_spellInfo))
return SpellCastResult.EquippedItemClass;
}
// if not item target then required item must be equipped
else
{
if (!Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreEquippedItemRequirement))
if (m_caster.IsTypeId(TypeId.Player) && !m_caster.ToPlayer().HasItemFitToSpellRequirements(m_spellInfo))
return SpellCastResult.EquippedItemClass;
}
// do not take reagents for these item casts
if (!(m_CastItem != null && Convert.ToBoolean(m_CastItem.GetTemplate().GetFlags() & ItemFlags.NoReagentCost)))
{
bool checkReagents = !Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnorePowerAndReagentCost) && !player.CanNoReagentCast(m_spellInfo);
// Not own traded item (in trader trade slot) requires reagents even if triggered spell
if (!checkReagents)
{
Item targetItem = m_targets.GetItemTarget();
if (targetItem != null)
if (targetItem.GetOwnerGUID() != m_caster.GetGUID())
checkReagents = true;
}
// check reagents (ignore triggered spells with reagents processed by original spell) and special reagent ignore case.
if (checkReagents)
{
for (byte i = 0; i < SpellConst.MaxReagents; i++)
{
if (m_spellInfo.Reagent[i] <= 0)
continue;
uint itemid = (uint)m_spellInfo.Reagent[i];
uint itemcount = m_spellInfo.ReagentCount[i];
// if CastItem is also spell reagent
if (m_CastItem != null && m_CastItem.GetEntry() == itemid)
{
ItemTemplate proto = m_CastItem.GetTemplate();
if (proto == null)
return SpellCastResult.ItemNotReady;
for (int s = 0; s < proto.Effects.Count && s < 5; ++s)
{
// CastItem will be used up and does not count as reagent
int charges = m_CastItem.GetSpellCharges(s);
if (proto.Effects[s].Charges < 0 && Math.Abs(charges) < 2)
{
++itemcount;
break;
}
}
}
if (!player.HasItemCount(itemid, itemcount))
return SpellCastResult.Reagents;
}
}
// check totem-item requirements (items presence in inventory)
uint totems = 2;
for (int i = 0; i < 2; ++i)
{
if (m_spellInfo.Totem[i] != 0)
{
if (player.HasItemCount(m_spellInfo.Totem[i]))
{
totems -= 1;
continue;
}
} else
totems -= 1;
}
if (totems != 0)
return SpellCastResult.Totems;
// Check items for TotemCategory (items presence in inventory)
uint totemCategory = 2;
for (byte i = 0; i < 2; ++i)
{
if (m_spellInfo.TotemCategory[i] != 0)
{
if (player.HasItemTotemCategory(m_spellInfo.TotemCategory[i]))
{
totemCategory -= 1;
continue;
}
}
else
totemCategory -= 1;
}
if (totemCategory != 0)
return SpellCastResult.TotemCategory;
}
// special checks for spell effects
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect == null)
continue;
switch (effect.Effect)
{
case SpellEffectName.CreateItem:
case SpellEffectName.CreateLoot:
{
if (!IsTriggered() && effect.ItemType != 0)
{
List<ItemPosCount> dest = new List<ItemPosCount>();
InventoryResult msg = player.CanStoreNewItem(ItemConst.NullBag, ItemConst.NullSlot, dest, effect.ItemType, 1);
if (msg != InventoryResult.Ok)
{
ItemTemplate pProto = Global.ObjectMgr.GetItemTemplate(effect.ItemType);
// @todo Needs review
if (pProto != null && pProto.GetItemLimitCategory() == 0)
{
player.SendEquipError(msg, null, null, effect.ItemType);
return SpellCastResult.DontReport;
}
else
{
SpellEffectInfo efi;
if (!(m_spellInfo.SpellFamilyName == SpellFamilyNames.Mage && m_spellInfo.SpellFamilyFlags[0].HasAnyFlag(0x40000000u)))
return SpellCastResult.TooManyOfItem;
else if (!player.HasItemCount(effect.ItemType))
return SpellCastResult.TooManyOfItem;
else if ((efi = GetEffect(1)) != null)
player.CastSpell(m_caster, (uint)efi.CalcValue(), false); // move this to anywhere
return SpellCastResult.DontReport;
}
}
}
break;
}
case SpellEffectName.EnchantItem:
if (effect.ItemType != 0 && m_targets.GetItemTarget() != null && m_targets.GetItemTarget().IsVellum())
{
// cannot enchant vellum for other player
if (m_targets.GetItemTarget().GetOwner() != m_caster)
return SpellCastResult.NotTradeable;
// do not allow to enchant vellum from scroll made by vellum-prevent exploit
if (m_CastItem != null && Convert.ToBoolean(m_CastItem.GetTemplate().GetFlags() & ItemFlags.NoReagentCost))
return SpellCastResult.TotemCategory;
List<ItemPosCount> dest = new List<ItemPosCount>();
InventoryResult msg = player.CanStoreNewItem(ItemConst.NullBag, ItemConst.NullSlot, dest, effect.ItemType, 1);
if (msg != InventoryResult.Ok)
{
player.SendEquipError(msg, null, null, effect.ItemType);
return SpellCastResult.DontReport;
}
}
goto case SpellEffectName.EnchantItemPrismatic;
case SpellEffectName.EnchantItemPrismatic:
{
Item targetItem = m_targets.GetItemTarget();
if (targetItem == null)
return SpellCastResult.ItemNotFound;
if (targetItem.GetTemplate().GetBaseItemLevel() < m_spellInfo.BaseLevel)
return SpellCastResult.Lowlevel;
bool isItemUsable = false;
ItemTemplate proto = targetItem.GetTemplate();
for (byte e = 0; e < proto.Effects.Count; ++e)
{
if (proto.Effects[e].SpellID != 0 && proto.Effects[e].Trigger == ItemSpelltriggerType.OnUse)
{
isItemUsable = true;
break;
}
}
var enchantEntry = CliDB.SpellItemEnchantmentStorage.LookupByKey(effect.MiscValue);
// do not allow adding usable enchantments to items that have use effect already
if (enchantEntry != null)
{
for (var s = 0; s < ItemConst.MaxItemEnchantmentEffects; ++s)
{
switch (enchantEntry.Effect[s])
{
case ItemEnchantmentType.UseSpell:
if (isItemUsable)
return SpellCastResult.OnUseEnchant;
break;
case ItemEnchantmentType.PrismaticSocket:
{
uint numSockets = 0;
for (uint socket = 0; socket < ItemConst.MaxGemSockets; ++socket)
if (targetItem.GetSocketColor(socket) != 0)
++numSockets;
if (numSockets == ItemConst.MaxGemSockets || targetItem.GetEnchantmentId(EnchantmentSlot.Prismatic) != 0)
return SpellCastResult.MaxSockets;
break;
}
}
}
}
// Not allow enchant in trade slot for some enchant type
if (targetItem.GetOwner() != m_caster)
{
if (enchantEntry == null)
return SpellCastResult.Error;
if (enchantEntry.Flags.HasAnyFlag(EnchantmentSlotMask.CanSouldBound))
return SpellCastResult.NotTradeable;
}
break;
}
case SpellEffectName.EnchantItemTemporary:
{
Item item = m_targets.GetItemTarget();
if (item == null)
return SpellCastResult.ItemNotFound;
// Not allow enchant in trade slot for some enchant type
if (item.GetOwner() != m_caster)
{
int enchant_id = effect.MiscValue;
var pEnchant = CliDB.SpellItemEnchantmentStorage.LookupByKey(enchant_id);
if (pEnchant == null)
return SpellCastResult.Error;
if (pEnchant.Flags.HasAnyFlag(EnchantmentSlotMask.CanSouldBound))
return SpellCastResult.NotTradeable;
}
break;
}
case SpellEffectName.EnchantHeldItem:
// check item existence in effect code (not output errors at offhand hold item effect to main hand for example
break;
case SpellEffectName.Disenchant:
{
if (m_targets.GetItemTarget() == null)
return SpellCastResult.CantBeDisenchanted;
// prevent disenchanting in trade slot
if (m_targets.GetItemTarget().GetOwnerGUID() != m_caster.GetGUID())
return SpellCastResult.CantBeDisenchanted;
ItemTemplate itemProto = m_targets.GetItemTarget().GetTemplate();
if (itemProto == null)
return SpellCastResult.CantBeDisenchanted;
int item_quality = (int)itemProto.GetQuality();
// 2.0.x addon: Check player enchanting level against the item disenchanting requirements
uint item_disenchantskilllevel = itemProto.RequiredDisenchantSkill;
if (item_disenchantskilllevel == Convert.ToUInt32(-1))
return SpellCastResult.CantBeDisenchanted;
if (item_disenchantskilllevel > player.GetSkillValue(SkillType.Enchanting))
return SpellCastResult.LowCastlevel;
if (item_quality > 4 || item_quality < 2)
return SpellCastResult.CantBeDisenchanted;
if (itemProto.GetClass() != ItemClass.Weapon && itemProto.GetClass() != ItemClass.Armor)
return SpellCastResult.CantBeDisenchanted;
if (itemProto.DisenchantID == 0)
return SpellCastResult.CantBeDisenchanted;
break;
}
case SpellEffectName.Prospecting:
{
if (m_targets.GetItemTarget() == null)
return SpellCastResult.CantBeProspected;
//ensure item is a prospectable ore
if (!Convert.ToBoolean(m_targets.GetItemTarget().GetTemplate().GetFlags() & ItemFlags.IsProspectable))
return SpellCastResult.CantBeProspected;
//prevent prospecting in trade slot
if (m_targets.GetItemTarget().GetOwnerGUID() != m_caster.GetGUID())
return SpellCastResult.CantBeProspected;
//Check for enough skill in jewelcrafting
uint item_prospectingskilllevel = m_targets.GetItemTarget().GetTemplate().GetRequiredSkillRank();
if (item_prospectingskilllevel > player.GetSkillValue(SkillType.Jewelcrafting))
return SpellCastResult.LowCastlevel;
//make sure the player has the required ores in inventory
if (m_targets.GetItemTarget().GetCount() < 5)
return SpellCastResult.NeedMoreItems;
if (!LootStorage.Prospecting.HaveLootFor(m_targets.GetItemTargetEntry()))
return SpellCastResult.CantBeProspected;
break;
}
case SpellEffectName.Milling:
{
if (m_targets.GetItemTarget() == null)
return SpellCastResult.CantBeMilled;
//ensure item is a millable herb
if (!(m_targets.GetItemTarget().GetTemplate().GetFlags().HasAnyFlag(ItemFlags.IsMillable)))
return SpellCastResult.CantBeMilled;
//prevent milling in trade slot
if (m_targets.GetItemTarget().GetOwnerGUID() != m_caster.GetGUID())
return SpellCastResult.CantBeMilled;
//Check for enough skill in inscription
uint item_millingskilllevel = m_targets.GetItemTarget().GetTemplate().GetRequiredSkillRank();
if (item_millingskilllevel > player.GetSkillValue(SkillType.Inscription))
return SpellCastResult.LowCastlevel;
//make sure the player has the required herbs in inventory
if (m_targets.GetItemTarget().GetCount() < 5)
return SpellCastResult.NeedMoreItems;
if (!LootStorage.Milling.HaveLootFor(m_targets.GetItemTargetEntry()))
return SpellCastResult.CantBeMilled;
break;
}
case SpellEffectName.WeaponDamage:
case SpellEffectName.WeaponDamageNoschool:
{
if (!m_caster.IsTypeId(TypeId.Player))
return SpellCastResult.TargetNotPlayer;
if (m_attackType != WeaponAttackType.RangedAttack)
break;
Item pItem = m_caster.ToPlayer().GetWeaponForAttack(m_attackType);
if (pItem == null || pItem.IsBroken())
return SpellCastResult.EquippedItem;
break;
}
case SpellEffectName.RechargeItem:
{
uint itemId = effect.ItemType;
ItemTemplate proto = Global.ObjectMgr.GetItemTemplate(itemId);
if (proto == null)
return SpellCastResult.ItemAtMaxCharges;
Item item = player.GetItemByEntry(itemId);
if (item != null)
{
for (int x = 0; x < proto.Effects.Count && x < 5; ++x)
if (proto.Effects[x].Charges != 0 && item.GetSpellCharges(x) == proto.Effects[x].Charges)
return SpellCastResult.ItemAtMaxCharges;
}
break;
}
default:
break;
}
}
// check weapon presence in slots for main/offhand weapons
if (!Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.IgnoreEquippedItemRequirement) && m_spellInfo.EquippedItemClass >= 0)
{
// main hand weapon required
if (m_spellInfo.HasAttribute(SpellAttr3.MainHand))
{
Item item = m_caster.ToPlayer().GetWeaponForAttack(WeaponAttackType.BaseAttack);
// skip spell if no weapon in slot or broken
if (item == null || item.IsBroken())
return SpellCastResult.EquippedItemClass;
// skip spell if weapon not fit to triggered spell
if (!item.IsFitToSpellRequirements(m_spellInfo))
return SpellCastResult.EquippedItemClass;
}
// offhand hand weapon required
if (m_spellInfo.HasAttribute(SpellAttr3.ReqOffhand))
{
Item item = m_caster.ToPlayer().GetWeaponForAttack(WeaponAttackType.OffAttack);
// skip spell if no weapon in slot or broken
if (item == null || item.IsBroken())
return SpellCastResult.EquippedItemClass;
// skip spell if weapon not fit to triggered spell
if (!item.IsFitToSpellRequirements(m_spellInfo))
return SpellCastResult.EquippedItemClass;
}
}
return SpellCastResult.SpellCastOk;
}
public void Delayed() // only called in DealDamage()
{
if (m_caster == null)
return;
if (isDelayableNoMore()) // Spells may only be delayed twice
return;
//check pushback reduce
int delaytime = 500; // spellcasting delay is normally 500ms
int delayReduce = 100; // must be initialized to 100 for percent modifiers
m_caster.ToPlayer().ApplySpellMod(m_spellInfo.Id, SpellModOp.NotLoseCastingTime, ref delayReduce, this);
delayReduce += m_caster.GetTotalAuraModifier(AuraType.ReducePushback) - 100;
if (delayReduce >= 100)
return;
MathFunctions.AddPct(ref delaytime, -delayReduce);
if (m_timer + delaytime > m_casttime)
{
delaytime = m_casttime - m_timer;
m_timer = m_casttime;
}
else
m_timer += delaytime;
Log.outDebug(LogFilter.Spells, "Spell {0} partially interrupted for ({1}) ms at damage", m_spellInfo.Id, delaytime);
SpellDelayed spellDelayed = new SpellDelayed();
spellDelayed.Caster = m_caster.GetGUID();
spellDelayed.ActualDelay = delaytime;
m_caster.SendMessageToSet(spellDelayed, true);
}
public void DelayedChannel()
{
if (m_caster == null || !m_caster.IsTypeId(TypeId.Player) || getState() != SpellState.Casting)
return;
if (isDelayableNoMore()) // Spells may only be delayed twice
return;
//check pushback reduce
int delaytime = MathFunctions.CalculatePct(m_spellInfo.GetDuration(), 25); // channeling delay is normally 25% of its time per hit
int delayReduce = 100; // must be initialized to 100 for percent modifiers
m_caster.ToPlayer().ApplySpellMod(m_spellInfo.Id, SpellModOp.NotLoseCastingTime, ref delayReduce, this);
delayReduce += m_caster.GetTotalAuraModifier(AuraType.ReducePushback) - 100;
if (delayReduce >= 100)
return;
MathFunctions.AddPct(ref delaytime, -delayReduce);
if (m_timer <= delaytime)
{
delaytime = m_timer;
m_timer = 0;
}
else
m_timer -= delaytime;
Log.outDebug(LogFilter.Spells, "Spell {0} partially interrupted for {1} ms, new duration: {2} ms", m_spellInfo.Id, delaytime, m_timer);
foreach (var ihit in m_UniqueTargetInfo)
if (ihit.missCondition == SpellMissInfo.None)
{
Unit unit = (m_caster.GetGUID() == ihit.targetGUID) ? m_caster : Global.ObjAccessor.GetUnit(m_caster, ihit.targetGUID);
if (unit != null)
unit.DelayOwnedAuras(m_spellInfo.Id, m_originalCasterGUID, delaytime);
}
// partially interrupt persistent area auras
DynamicObject dynObj = m_caster.GetDynObject(m_spellInfo.Id);
if (dynObj != null)
dynObj.Delay(delaytime);
SendChannelUpdate((uint)m_timer);
}
bool UpdatePointers()
{
if (m_originalCasterGUID == m_caster.GetGUID())
m_originalCaster = m_caster;
else
{
m_originalCaster = Global.ObjAccessor.GetUnit(m_caster, m_originalCasterGUID);
if (m_originalCaster != null && !m_originalCaster.IsInWorld)
m_originalCaster = null;
}
if (!m_castItemGUID.IsEmpty() && m_caster.IsTypeId(TypeId.Player))
{
m_CastItem = m_caster.ToPlayer().GetItemByGuid(m_castItemGUID);
m_castItemLevel = -1;
// cast item not found, somehow the item is no longer where we expected
if (!m_CastItem)
return false;
// check if the item is really the same, in case it has been wrapped for example
if (m_castItemEntry != m_CastItem.GetEntry())
return false;
m_castItemLevel = (int)m_CastItem.GetItemLevel(m_caster.ToPlayer());
}
m_targets.Update(m_caster);
// further actions done only for dest targets
if (!m_targets.HasDst())
return true;
// cache last transport
WorldObject transport = null;
// update effect destinations (in case of moved transport dest target)
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect == null)
continue;
SpellDestination dest = m_destTargets[effect.EffectIndex];
if (dest.TransportGUID.IsEmpty())
continue;
if (transport == null || transport.GetGUID() != dest.TransportGUID)
transport = Global.ObjAccessor.GetWorldObject(m_caster, dest.TransportGUID);
if (transport != null)
{
dest.Position.Relocate(transport.GetPosition());
dest.Position.RelocateOffset(dest.TransportOffset);
}
}
return true;
}
public CurrentSpellTypes GetCurrentContainer()
{
if (IsNextMeleeSwingSpell())
return CurrentSpellTypes.Melee;
else if (IsAutoRepeat())
return CurrentSpellTypes.AutoRepeat;
else if (m_spellInfo.IsChanneled())
return CurrentSpellTypes.Channeled;
else
return CurrentSpellTypes.Generic;
}
bool CheckEffectTarget(Unit target, SpellEffectInfo effect, Position losPosition)
{
if (!effect.IsEffect())
return false;
switch (effect.ApplyAuraName)
{
case AuraType.ModPossess:
case AuraType.ModCharm:
case AuraType.ModPossessPet:
case AuraType.AoeCharm:
if (target.IsTypeId(TypeId.Unit) && target.IsVehicle())
return false;
if (target.IsMounted())
return false;
if (!target.GetCharmerGUID().IsEmpty())
return false;
int damage = CalculateDamage(effect.EffectIndex, target);
if (damage != 0)
if (target.GetLevelForTarget(m_caster) > damage)
return false;
break;
default:
break;
}
// check for ignore LOS on the effect itself
if (m_spellInfo.HasAttribute(SpellAttr2.CanTargetNotInLos) || Global.DisableMgr.IsDisabledFor(DisableType.Spell, m_spellInfo.Id, null, DisableFlags.SpellLOS))
return true;
// if spell is triggered, need to check for LOS disable on the aura triggering it and inherit that behaviour
if (IsTriggered() && m_triggeredByAuraSpell != null && (m_triggeredByAuraSpell.HasAttribute(SpellAttr2.CanTargetNotInLos) || Global.DisableMgr.IsDisabledFor(DisableType.Spell, m_triggeredByAuraSpell.Id, null, DisableFlags.SpellLOS)))
return true;
// @todo shit below shouldn't be here, but it's temporary
if (losPosition != null)
return target.IsWithinLOS(losPosition.GetPositionX(), losPosition.GetPositionY(), losPosition.GetPositionZ());
else
{
// Get GO cast coordinates if original caster . GO
WorldObject caster = null;
if (m_originalCasterGUID.IsGameObject())
caster = m_caster.GetMap().GetGameObject(m_originalCasterGUID);
if (!caster)
caster = m_caster;
if (target != m_caster && !target.IsWithinLOSInMap(caster))
return false;
}
return true;
}
bool CheckEffectTarget(GameObject target, SpellEffectInfo effect)
{
if (!effect.IsEffect())
return false;
switch (effect.Effect)
{
case SpellEffectName.GameObjectDamage:
case SpellEffectName.GameobjectRepair:
case SpellEffectName.GameobjectSetDestructionState:
if (target.GetGoType() != GameObjectTypes.DestructibleBuilding)
return false;
break;
default:
break;
}
return true;
}
bool CheckEffectTarget(Item target, SpellEffectInfo effect)
{
if (!effect.IsEffect())
return false;
return true;
}
bool IsNextMeleeSwingSpell()
{
return m_spellInfo.HasAttribute(SpellAttr0.OnNextSwing | SpellAttr0.OnNextSwing2);
}
bool IsAutoActionResetSpell()
{
// @todo changed SPELL_INTERRUPT_FLAG_AUTOATTACK . SPELL_INTERRUPT_FLAG_INTERRUPT to fix compile - is this check correct at all?
if (IsTriggered() || !m_spellInfo.InterruptFlags.HasAnyFlag(SpellInterruptFlags.Interrupt))
return false;
if (m_casttime == 0 && m_spellInfo.HasAttribute(SpellAttr6.NotResetSwingIfInstant))
return false;
return true;
}
bool IsNeedSendToClient()
{
return m_SpellVisual != 0 || m_spellInfo.IsChanneled() ||
m_spellInfo.HasAttribute(SpellAttr8.AuraSendAmount) || m_spellInfo.Speed > 0.0f || (m_triggeredByAuraSpell == null && !IsTriggered());
}
bool HaveTargetsForEffect(byte effect)
{
foreach (var targetInfo in m_UniqueTargetInfo)
if (Convert.ToBoolean(targetInfo.effectMask & (1 << effect)))
return true;
foreach (var targetInfo in m_UniqueGOTargetInfo)
if (Convert.ToBoolean(targetInfo.effectMask & (1 << effect)))
return true;
foreach (var targetInfo in m_UniqueItemInfo)
if (Convert.ToBoolean(targetInfo.effectMask & (1 << effect)))
return true;
return false;
}
bool IsValidDeadOrAliveTarget(Unit target)
{
if (target.IsAlive())
return !m_spellInfo.IsRequiringDeadTarget();
if (m_spellInfo.IsAllowingDeadTarget())
return true;
return false;
}
void HandleLaunchPhase()
{
// handle effects with SPELL_EFFECT_HANDLE_LAUNCH mode
foreach (SpellEffectInfo effect in GetEffects())
{
// don't do anything for empty effect
if (effect == null || !effect.IsEffect())
continue;
HandleEffects(null, null, null, effect.EffectIndex, SpellEffectHandleMode.Launch);
}
float[] multiplier = new float[SpellConst.MaxEffects];
foreach (SpellEffectInfo effect in GetEffects())
if (effect != null && Convert.ToBoolean(m_applyMultiplierMask & (1 << (int)effect.EffectIndex)))
multiplier[effect.EffectIndex] = effect.CalcDamageMultiplier(m_originalCaster, this);
PrepareTargetProcessing();
foreach (var ihit in m_UniqueTargetInfo)
{
TargetInfo target = ihit;
uint mask = target.effectMask;
if (mask == 0)
continue;
DoAllEffectOnLaunchTarget(target, multiplier);
}
FinishTargetProcessing();
}
void DoAllEffectOnLaunchTarget(TargetInfo targetInfo, float[] multiplier)
{
Unit unit = null;
// In case spell hit target, do all effect on that target
if (targetInfo.missCondition == SpellMissInfo.None)
unit = m_caster.GetGUID() == targetInfo.targetGUID ? m_caster : Global.ObjAccessor.GetUnit(m_caster, targetInfo.targetGUID);
// In case spell reflect from target, do all effect on caster (if hit)
else if (targetInfo.missCondition == SpellMissInfo.Reflect && targetInfo.reflectResult == SpellMissInfo.None)
unit = m_caster;
if (unit == null)
return;
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect != null && Convert.ToBoolean(targetInfo.effectMask & (1 << (int)effect.EffectIndex)))
{
m_damage = 0;
m_healing = 0;
HandleEffects(unit, null, null, effect.EffectIndex, SpellEffectHandleMode.LaunchTarget);
if (m_damage > 0)
{
if (effect.IsTargetingArea() || effect.IsAreaAuraEffect() || effect.IsEffect(SpellEffectName.PersistentAreaAura))
{
m_damage = (int)(m_damage * unit.GetTotalAuraMultiplierByMiscMask(AuraType.ModAoeDamageAvoidance, (uint)m_spellInfo.SchoolMask));
if (!m_caster.IsTypeId(TypeId.Player))
m_damage = (int)(m_damage * unit.GetTotalAuraMultiplierByMiscMask(AuraType.ModCreatureAoeDamageAvoidance, (uint)m_spellInfo.SchoolMask));
if (m_caster.IsTypeId(TypeId.Player))
{
int targetAmount = m_UniqueTargetInfo.Count;
if (targetAmount > 10)
m_damage = m_damage * 10 / targetAmount;
}
}
}
if (Convert.ToBoolean(m_applyMultiplierMask & (1 << (int)effect.EffectIndex)))
{
m_damage = (int)(m_damage * m_damageMultipliers[effect.EffectIndex]);
m_damageMultipliers[effect.EffectIndex] *= multiplier[effect.EffectIndex];
}
targetInfo.damage += m_damage;
}
}
Player modOwner = m_caster.GetSpellModOwner();
if (modOwner)
modOwner.SetSpellModTakingSpell(this, true);
targetInfo.crit = m_caster.IsSpellCrit(unit, m_spellInfo, m_spellSchoolMask, m_attackType);
modOwner = m_caster.GetSpellModOwner();
if (modOwner)
modOwner.SetSpellModTakingSpell(this, false);
}
SpellCastResult CanOpenLock(uint effIndex, uint lockId, ref SkillType skillId, ref int reqSkillValue, ref int skillValue)
{
if (lockId == 0) // possible case for GO and maybe for items.
return SpellCastResult.SpellCastOk;
// Get LockInfo
var lockInfo = CliDB.LockStorage.LookupByKey(lockId);
if (lockInfo == null)
return SpellCastResult.BadTargets;
SpellEffectInfo effect = GetEffect(effIndex);
if (effect == null)
return SpellCastResult.BadTargets; // no idea about correct error
bool reqKey = false; // some locks not have reqs
for (int j = 0; j < SharedConst.MaxLockCase; ++j)
{
switch ((LockKeyType)lockInfo.LockType[j])
{
// check key item (many fit cases can be)
case LockKeyType.Item:
if (lockInfo.Index[j] != 0 && m_CastItem && m_CastItem.GetEntry() == lockInfo.Index[j])
return SpellCastResult.SpellCastOk;
reqKey = true;
break;
// check key skill (only single first fit case can be)
case LockKeyType.Skill:
{
reqKey = true;
// wrong locktype, skip
if (effect.MiscValue != lockInfo.Index[j])
continue;
skillId = SharedConst.SkillByLockType((LockType)lockInfo.Index[j]);
if (skillId != SkillType.None || lockInfo.Index[j] == (uint)LockType.Picklock)
{
reqSkillValue = lockInfo.Skill[j];
// castitem check: rogue using skeleton keys. the skill values should not be added in this case.
skillValue = 0;
if (!m_CastItem && m_caster.IsTypeId(TypeId.Player))
skillValue = m_caster.ToPlayer().GetSkillValue(skillId);
else if (lockInfo.Index[j] == (uint)LockType.Picklock)
skillValue = (int)m_caster.getLevel() * 5;
// skill bonus provided by casting spell (mostly item spells)
// add the effect base points modifier from the spell cast (cheat lock / skeleton key etc.)
if (effect.TargetA.GetTarget() == Targets.GameobjectItemTarget || effect.TargetB.GetTarget() == Targets.GameobjectItemTarget)
skillValue += effect.CalcValue();
if (skillValue < reqSkillValue)
return SpellCastResult.LowCastlevel;
}
return SpellCastResult.SpellCastOk;
}
}
}
if (reqKey)
return SpellCastResult.BadTargets;
return SpellCastResult.SpellCastOk;
}
public void SetSpellValue(SpellValueMod mod, int value)
{
if (mod < SpellValueMod.End)
{
SpellEffectInfo effect = GetEffect((uint)mod);
if (effect != null)
m_spellValue.EffectBasePoints[(int)mod] = effect.CalcBaseValue(value);
return;
}
switch (mod)
{
case SpellValueMod.RadiusMod:
m_spellValue.RadiusMod = (float)value / 10000;
break;
case SpellValueMod.MaxTargets:
m_spellValue.MaxAffectedTargets = (uint)value;
break;
case SpellValueMod.AuraStack:
m_spellValue.AuraStackAmount = (byte)value;
break;
}
}
void PrepareTargetProcessing()
{
}
void FinishTargetProcessing()
{
SendSpellExecuteLog();
}
void LoadScripts()
{
m_loadedScripts = Global.ScriptMgr.CreateSpellScripts(m_spellInfo.Id, this);
var holder = Global.SmartAIMgr.GetScript((int)GetSpellInfo().Id, SmartScriptType.Spell);
if (!holder.Empty())
{
var script = new SmartSpell();
script._Init("", GetSpellInfo().Id);
if (script._Load(this))
{
script._Register();
if (script._Validate(GetSpellInfo()))
m_loadedScripts.Add(script);
}
}
foreach (var script in m_loadedScripts)
{
Log.outDebug(LogFilter.Spells, "Spell.LoadScripts: Script `{0}` for spell `{1}` is loaded now", script._GetScriptName(), m_spellInfo.Id);
script.Register();
}
}
void CallScriptBeforeCastHandlers()
{
foreach (var script in m_loadedScripts)
{
script._PrepareScriptCall(SpellScriptHookType.BeforeCast);
foreach (var hook in script.BeforeCast)
hook.Call();
script._FinishScriptCall();
}
}
void CallScriptOnCastHandlers()
{
foreach (var script in m_loadedScripts)
{
script._PrepareScriptCall(SpellScriptHookType.OnCast);
foreach (var hook in script.OnCast)
hook.Call();
script._FinishScriptCall();
}
}
void CallScriptAfterCastHandlers()
{
foreach (var script in m_loadedScripts)
{
script._PrepareScriptCall(SpellScriptHookType.AfterCast);
foreach (var hook in script.AfterCast)
hook.Call();
script._FinishScriptCall();
}
}
SpellCastResult CallScriptCheckCastHandlers()
{
SpellCastResult retVal = SpellCastResult.SpellCastOk;
foreach (var script in m_loadedScripts)
{
script._PrepareScriptCall(SpellScriptHookType.CheckCast);
foreach (var hook in script.OnCheckCast)
{
SpellCastResult tempResult = hook.Call();
if (tempResult != SpellCastResult.SpellCastOk)
retVal = tempResult;
}
script._FinishScriptCall();
}
return retVal;
}
void PrepareScriptHitHandlers()
{
foreach (var script in m_loadedScripts)
script._InitHit();
}
bool CallScriptEffectHandlers(uint effIndex, SpellEffectHandleMode mode)
{
// execute script effect handler hooks and check if effects was prevented
bool preventDefault = false;
foreach (var script in m_loadedScripts)
{
SpellScriptHookType hookType;
List<SpellScript.EffectHandler> effList;
switch (mode)
{
case SpellEffectHandleMode.Launch:
effList = script.OnEffectLaunch;
hookType = SpellScriptHookType.Launch;
break;
case SpellEffectHandleMode.LaunchTarget:
effList = script.OnEffectLaunchTarget;
hookType = SpellScriptHookType.LaunchTarget;
break;
case SpellEffectHandleMode.Hit:
effList = script.OnEffectHit;
hookType = SpellScriptHookType.EffectHit;
break;
case SpellEffectHandleMode.HitTarget:
effList = script.OnEffectHitTarget;
hookType = SpellScriptHookType.EffectHitTarget;
break;
default:
Contract.Assert(false);
return false;
}
script._PrepareScriptCall(hookType);
foreach (var eff in effList)
{
// effect execution can be prevented
if (!script._IsEffectPrevented(effIndex) && eff.IsEffectAffected(m_spellInfo, effIndex))
eff.Call(effIndex);
}
if (!preventDefault)
preventDefault = script._IsDefaultEffectPrevented(effIndex);
script._FinishScriptCall();
}
return preventDefault;
}
void CallScriptSuccessfulDispel(uint effIndex)
{
foreach (var script in m_loadedScripts)
{
script._PrepareScriptCall(SpellScriptHookType.EffectSuccessfulDispel);
foreach (var hook in script.OnEffectSuccessfulDispel)
hook.Call(effIndex);
script._FinishScriptCall();
}
}
void CallScriptBeforeHitHandlers(SpellMissInfo missInfo)
{
foreach (var script in m_loadedScripts)
{
script._PrepareScriptCall(SpellScriptHookType.BeforeHit);
foreach (var hook in script.BeforeHit)
hook.Call(missInfo);
script._FinishScriptCall();
}
}
void CallScriptOnHitHandlers()
{
foreach (var script in m_loadedScripts)
{
script._PrepareScriptCall(SpellScriptHookType.OnHit);
foreach (var hook in script.OnHit)
hook.Call();
script._FinishScriptCall();
}
}
void CallScriptAfterHitHandlers()
{
foreach (var script in m_loadedScripts)
{
script._PrepareScriptCall(SpellScriptHookType.AfterHit);
foreach (var hook in script.AfterHit)
hook.Call();
script._FinishScriptCall();
}
}
void CallScriptObjectAreaTargetSelectHandlers(List<WorldObject> targets, uint effIndex, SpellImplicitTargetInfo targetType)
{
foreach (var script in m_loadedScripts)
{
script._PrepareScriptCall(SpellScriptHookType.ObjectAreaTargetSelect);
foreach (var hook in script.OnObjectAreaTargetSelect)
if (hook.IsEffectAffected(m_spellInfo, effIndex) && targetType.GetTarget() == hook.GetTarget())
hook.Call(targets);
script._FinishScriptCall();
}
}
void CallScriptObjectTargetSelectHandlers(ref WorldObject target, uint effIndex, SpellImplicitTargetInfo targetType)
{
foreach (var script in m_loadedScripts)
{
script._PrepareScriptCall(SpellScriptHookType.ObjectTargetSelect);
foreach (var hook in script.OnObjectTargetSelect)
if (hook.IsEffectAffected(m_spellInfo, effIndex) && targetType.GetTarget() == hook.GetTarget())
hook.Call(ref target);
script._FinishScriptCall();
}
}
void CallScriptDestinationTargetSelectHandlers(ref SpellDestination target, uint effIndex, SpellImplicitTargetInfo targetType)
{
foreach (var script in m_loadedScripts)
{
script._PrepareScriptCall(SpellScriptHookType.DestinationTargetSelect);
foreach (var hook in script.OnDestinationTargetSelect)
if (hook.IsEffectAffected(m_spellInfo, effIndex) && targetType.GetTarget() == hook.GetTarget())
hook.Call(ref target);
script._FinishScriptCall();
}
}
bool CheckScriptEffectImplicitTargets(uint effIndex, uint effIndexToCheck)
{
// Skip if there are not any script
if (m_loadedScripts.Empty())
return true;
foreach (var script in m_loadedScripts)
{
foreach (var hook in script.OnObjectTargetSelect)
if ((hook.IsEffectAffected(m_spellInfo, effIndex) && !hook.IsEffectAffected(m_spellInfo, effIndexToCheck)) ||
(!hook.IsEffectAffected(m_spellInfo, effIndex) && hook.IsEffectAffected(m_spellInfo, effIndexToCheck)))
return false;
foreach (var hook in script.OnObjectAreaTargetSelect)
if ((hook.IsEffectAffected(m_spellInfo, effIndex) && !hook.IsEffectAffected(m_spellInfo, effIndexToCheck)) ||
(!hook.IsEffectAffected(m_spellInfo, effIndex) && hook.IsEffectAffected(m_spellInfo, effIndexToCheck)))
return false;
}
return true;
}
bool CanExecuteTriggersOnHit(uint effMask, SpellInfo triggeredByAura = null)
{
bool only_on_caster = (triggeredByAura != null && triggeredByAura.HasAttribute(SpellAttr4.ProcOnlyOnCaster));
// If triggeredByAura has SPELL_ATTR4_PROC_ONLY_ON_CASTER then it can only proc on a casted spell with TARGET_UNIT_CASTER
foreach (SpellEffectInfo effect in GetEffects())
{
if (effect != null && (Convert.ToBoolean(effMask & (1 << (int)effect.EffectIndex)) && (!only_on_caster || (effect.TargetA.GetTarget() == Targets.UnitCaster))))
return true;
}
return false;
}
void PrepareTriggersExecutedOnHit()
{
// @todo move this to scripts
if (m_spellInfo.SpellFamilyName != 0)
{
SpellInfo excludeCasterSpellInfo = Global.SpellMgr.GetSpellInfo(m_spellInfo.ExcludeCasterAuraSpell);
if (excludeCasterSpellInfo != null && !excludeCasterSpellInfo.IsPositive())
m_preCastSpell = m_spellInfo.ExcludeCasterAuraSpell;
SpellInfo excludeTargetSpellInfo = Global.SpellMgr.GetSpellInfo(m_spellInfo.ExcludeTargetAuraSpell);
if (excludeTargetSpellInfo != null && !excludeTargetSpellInfo.IsPositive())
m_preCastSpell = m_spellInfo.ExcludeTargetAuraSpell;
}
// @todo move this to scripts
switch (m_spellInfo.SpellFamilyName)
{
case SpellFamilyNames.Mage:
{
// Permafrost
if (m_spellInfo.SpellFamilyFlags[1].HasAnyFlag(0x00001000u) || m_spellInfo.SpellFamilyFlags[0].HasAnyFlag(0x00100220u))
m_preCastSpell = 68391;
break;
}
}
// handle SPELL_AURA_ADD_TARGET_TRIGGER auras:
// save auras which were present on spell caster on cast, to prevent triggered auras from affecting caster
// and to correctly calculate proc chance when combopoints are present
var targetTriggers = m_caster.GetAuraEffectsByType(AuraType.AddTargetTrigger);
foreach (var eff in targetTriggers)
{
if (!eff.IsAffectingSpell(m_spellInfo))
continue;
SpellInfo auraSpellInfo = eff.GetSpellInfo();
byte auraSpellIdx = eff.GetEffIndex();
SpellEffectInfo auraEffect = auraSpellInfo.GetEffect(m_caster.GetMap().GetDifficultyID(), auraSpellIdx);
if (auraEffect != null)
{
SpellInfo spellInfo = Global.SpellMgr.GetSpellInfo(auraEffect.TriggerSpell);
if (spellInfo != null)
{
// calculate the chance using spell base amount, because aura amount is not updated on combo-points change
// this possibly needs fixing
int auraBaseAmount = eff.GetBaseAmount();
// proc chance is stored in effect amount
int chance = m_caster.CalculateSpellDamage(null, auraSpellInfo, auraSpellIdx, auraBaseAmount);
// build trigger and add to the list
HitTriggerSpell spellTriggerInfo = new HitTriggerSpell();
spellTriggerInfo.triggeredSpell = spellInfo;
spellTriggerInfo.triggeredByAura = auraSpellInfo;
spellTriggerInfo.chance = chance * eff.GetBase().GetStackAmount();
m_hitTriggerSpells.Add(spellTriggerInfo);
}
}
}
}
bool HasGlobalCooldown()
{
// Only players or controlled units have global cooldown
if (!m_caster.IsTypeId(TypeId.Player) && m_caster.GetCharmInfo() == null)
return false;
return m_caster.GetSpellHistory().HasGlobalCooldown(m_spellInfo);
}
void TriggerGlobalCooldown()
{
int gcd = (int)m_spellInfo.StartRecoveryTime;
if (gcd == 0 || m_spellInfo.StartRecoveryCategory == 0)
return;
// Only players or controlled units have global cooldown
if (!m_caster.IsTypeId(TypeId.Player) && m_caster.GetCharmInfo() == null)
return;
if (m_caster.IsTypeId(TypeId.Player))
if (m_caster.ToPlayer().GetCommandStatus(PlayerCommandStates.Cooldown))
return;
// Global cooldown can't leave range 1..1.5 secs
// There are some spells (mostly not casted directly by player) that have < 1 sec and > 1.5 sec global cooldowns
// but as tests show are not affected by any spell mods.
if (m_spellInfo.StartRecoveryTime >= 750 && m_spellInfo.StartRecoveryTime <= 1500)
{
// gcd modifier auras are applied only to own spells and only players have such mods
Player modOwner = m_caster.GetSpellModOwner();
if (modOwner)
modOwner.ApplySpellMod(m_spellInfo.Id, SpellModOp.GlobalCooldown, ref gcd, this);
bool isMeleeOrRangedSpell = m_spellInfo.DmgClass == SpellDmgClass.Melee || m_spellInfo.DmgClass == SpellDmgClass.Ranged ||
m_spellInfo.HasAttribute(SpellAttr0.ReqAmmo) || m_spellInfo.HasAttribute(SpellAttr0.Ability);
// Apply haste rating
if (gcd > 750 && ((m_spellInfo.StartRecoveryCategory == 133 && !isMeleeOrRangedSpell) || m_caster.HasAuraTypeWithAffectMask(AuraType.ModGlobalCooldownByHaste, m_spellInfo)))
{
gcd = (int)(gcd * m_caster.GetFloatValue(UnitFields.ModCastHaste));
MathFunctions.RoundToInterval(ref gcd, 750, 1500);
}
if (gcd > 750 && m_caster.HasAuraTypeWithAffectMask(AuraType.ModGlobalCooldownByHasteRegen, m_spellInfo))
{
gcd = (int)(gcd * m_caster.GetFloatValue(UnitFields.ModHasteRegen));
MathFunctions.RoundToInterval(ref gcd, 750, 1500);
}
}
m_caster.GetSpellHistory().AddGlobalCooldown(m_spellInfo, (uint)gcd);
}
void CancelGlobalCooldown()
{
if (m_spellInfo.StartRecoveryTime == 0)
return;
// Cancel global cooldown when interrupting current cast
if (m_caster.GetCurrentSpell(CurrentSpellTypes.Generic) != this)
return;
// Only players or controlled units have global cooldown
if (!m_caster.IsTypeId(TypeId.Player) && m_caster.GetCharmInfo() == null)
return;
m_caster.GetSpellHistory().CancelGlobalCooldown(m_spellInfo);
}
List<SpellScript> m_loadedScripts = new List<SpellScript>();
int CalculateDamage(uint i, Unit target)
{
return m_caster.CalculateSpellDamage(target, m_spellInfo, i, m_spellValue.EffectBasePoints[i], m_castItemLevel);
}
int CalculateDamage(uint i, Unit target, out float variance)
{
return m_caster.CalculateSpellDamage(target, m_spellInfo, i, out variance, m_spellValue.EffectBasePoints[i], m_castItemLevel);
}
public SpellState getState()
{
return m_spellState;
}
public void setState(SpellState state)
{
m_spellState = state;
}
void CheckSrc()
{
if (!m_targets.HasSrc()) m_targets.SetSrc(m_caster);
}
void CheckDst()
{
if (!m_targets.HasDst()) m_targets.SetDst(m_caster);
}
public int GetCastTime()
{
return m_casttime;
}
bool IsAutoRepeat()
{
return m_autoRepeat;
}
void SetAutoRepeat(bool rep)
{
m_autoRepeat = rep;
}
void ReSetTimer()
{
m_timer = m_casttime > 0 ? m_casttime : 0;
}
public bool IsTriggered() { return _triggeredCastFlags.HasAnyFlag(TriggerCastFlags.FullMask); }
public bool IsIgnoringCooldowns() { return _triggeredCastFlags.HasAnyFlag(TriggerCastFlags.IgnoreSpellAndCategoryCD); }
public bool IsChannelActive() { return m_caster.GetChannelSpellId() != 0; }
public bool IsDeletable()
{
return !m_referencedFromCurrentSpell && !m_executedCurrently;
}
public void SetReferencedFromCurrent(bool yes)
{
m_referencedFromCurrentSpell = yes;
}
public bool IsInterruptable()
{
return !m_executedCurrently;
}
void SetExecutedCurrently(bool yes)
{
m_executedCurrently = yes;
}
public ulong GetDelayStart()
{
return m_delayStart;
}
public void SetDelayStart(ulong m_time)
{
m_delayStart = m_time;
}
public ulong GetDelayMoment()
{
return m_delayMoment;
}
public Unit GetCaster()
{
return m_caster;
}
public Unit GetOriginalCaster()
{
return m_originalCaster;
}
public SpellInfo GetSpellInfo()
{
return m_spellInfo;
}
public List<SpellPowerCost> GetPowerCost()
{
return m_powerCost;
}
bool isDelayableNoMore()
{
if (m_delayAtDamageCount >= 2)
return true;
m_delayAtDamageCount++;
return false;
}
bool DontReport()
{
return Convert.ToBoolean(_triggeredCastFlags & TriggerCastFlags.DontReportCastError);
}
public SpellInfo GetTriggeredByAuraSpell() { return m_triggeredByAuraSpell; }
SpellEffectInfo[] GetEffects() { return _effects; }
public SpellEffectInfo GetEffect(uint index)
{
if (index >= _effects.Length)
return null;
return _effects[index];
}
bool HasEffect(SpellEffectName effect)
{
foreach (SpellEffectInfo eff in GetEffects())
{
if (eff != null && eff.IsEffect(effect))
return true;
}
return false;
}
public static implicit operator bool (Spell spell)
{
return spell != null;
}
#region Fields
MultiMap<uint, SpellLogEffectPowerDrainParams> _powerDrainTargets = new MultiMap<uint, SpellLogEffectPowerDrainParams>();
MultiMap<uint, SpellLogEffectExtraAttacksParams> _extraAttacksTargets = new MultiMap<uint, SpellLogEffectExtraAttacksParams>();
MultiMap<uint, SpellLogEffectDurabilityDamageParams> _durabilityDamageTargets = new MultiMap<uint, SpellLogEffectDurabilityDamageParams>();
MultiMap<uint, SpellLogEffectGenericVictimParams> _genericVictimTargets = new MultiMap<uint, SpellLogEffectGenericVictimParams>();
MultiMap<uint, SpellLogEffectTradeSkillItemParams> _tradeSkillTargets = new MultiMap<uint, SpellLogEffectTradeSkillItemParams>();
MultiMap<uint, SpellLogEffectFeedPetParams> _feedPetTargets = new MultiMap<uint, SpellLogEffectFeedPetParams>();
PathGenerator m_preGeneratedPath;
public SpellInfo m_spellInfo;
public Item m_CastItem;
public ObjectGuid m_castItemGUID;
public uint m_castItemEntry;
public int m_castItemLevel;
public ObjectGuid m_castId;
public ObjectGuid m_originalCastId;
public bool m_fromClient;
public SpellCastFlagsEx m_castFlagsEx;
public SpellMisc m_misc;
public uint m_SpellVisual;
public uint m_preCastSpell;
public SpellCastTargets m_targets;
public sbyte m_comboPointGain;
public SpellCustomErrors m_customError;
public List<Aura> m_appliedMods;
Unit m_caster;
public SpellValue m_spellValue;
ObjectGuid m_originalCasterGUID;
Unit m_originalCaster;
public Spell m_selfContainer;
//Spell data
SpellSchoolMask m_spellSchoolMask; // Spell school (can be overwrite for some spells (wand shoot for example)
WeaponAttackType m_attackType; // For weapon based attack
List<SpellPowerCost> m_powerCost = new List<SpellPowerCost>();
int m_casttime; // Calculated spell cast time initialized only in Spell.prepare
bool m_canReflect; // can reflect this spell?
bool m_autoRepeat;
byte m_runesState;
byte m_delayAtDamageCount;
// Delayed spells system
ulong m_delayStart; // time of spell delay start, filled by event handler, zero = just started
ulong m_delayMoment; // moment of next delay call, used internally
bool m_immediateHandled; // were immediate actions handled? (used by delayed spells only)
// These vars are used in both delayed spell system and modified immediate spell system
bool m_referencedFromCurrentSpell;
bool m_executedCurrently;
bool m_needComboPoints;
uint m_applyMultiplierMask;
float[] m_damageMultipliers = new float[SpellConst.MaxEffects];
// Current targets, to be used in SpellEffects (MUST BE USED ONLY IN SPELL EFFECTS)
public Unit unitTarget;
public Item itemTarget;
public GameObject gameObjTarget;
public WorldLocation destTarget;
public int damage;
float variance;
SpellEffectHandleMode effectHandleMode;
public SpellEffectInfo effectInfo;
// used in effects handlers
public Aura m_spellAura;
// -------------------------------------------
GameObject focusObject;
// Damage and healing in effects need just calculate
public int m_damage; // Damge in effects count here
public int m_healing; // Healing in effects count here
// ******************************************
// Spell trigger system
// ******************************************
ProcFlags m_procAttacker; // Attacker trigger flags
ProcFlags m_procVictim; // Victim trigger flags
ProcFlagsHit m_hitMask;
// *****************************************
// Spell target subsystem
// *****************************************
// Targets store structures and data
List<TargetInfo> m_UniqueTargetInfo = new List<TargetInfo>();
uint m_channelTargetEffectMask; // Mask req. alive targets
List<GOTargetInfo> m_UniqueGOTargetInfo = new List<GOTargetInfo>();
List<ItemTargetInfo> m_UniqueItemInfo = new List<ItemTargetInfo>();
SpellDestination[] m_destTargets = new SpellDestination[SpellConst.MaxEffects];
List<HitTriggerSpell> m_hitTriggerSpells = new List<HitTriggerSpell>();
SpellState m_spellState;
int m_timer;
TriggerCastFlags _triggeredCastFlags;
// if need this can be replaced by Aura copy
// we can't store original aura link to prevent access to deleted auras
// and in same time need aura data and after aura deleting.
public SpellInfo m_triggeredByAuraSpell;
SpellEffectInfo[] _effects = new SpellEffectInfo[SpellConst.MaxEffects];
bool m_skipCheck;
byte m_auraScaleMask;
#endregion
}
[StructLayout(LayoutKind.Explicit)]
public struct SpellMisc
{
// Alternate names for this value
[FieldOffset(0)]
public uint TalentId;
[FieldOffset(0)]
public uint SpellId;
[FieldOffset(0)]
public uint SpecializationId;
// SPELL_EFFECT_SET_FOLLOWER_QUALITY
// SPELL_EFFECT_INCREASE_FOLLOWER_ITEM_LEVEL
// SPELL_EFFECT_INCREASE_FOLLOWER_EXPERIENCE
// SPELL_EFFECT_RANDOMIZE_FOLLOWER_ABILITIES
// SPELL_EFFECT_LEARN_FOLLOWER_ABILITY
[FieldOffset(0)]
public uint FollowerId;
[FieldOffset(4)]
public uint FollowerAbilityId; // only SPELL_EFFECT_LEARN_FOLLOWER_ABILITY
// SPELL_EFFECT_FINISH_GARRISON_MISSION
[FieldOffset(0)]
public uint GarrMissionId;
// SPELL_EFFECT_UPGRADE_HEIRLOOM
[FieldOffset(0)]
public uint ItemId;
[FieldOffset(0)]
public uint Data0;
[FieldOffset(4)]
public uint Data1;
public uint[] GetRawData()
{
return new uint[] { Data0, Data1 };
}
}
public struct HitTriggerSpell
{
public SpellInfo triggeredSpell;
public SpellInfo triggeredByAura;
// ubyte triggeredByEffIdx This might be needed at a later stage - No need known for now
public int chance;
}
public enum SpellEffectHandleMode
{
Launch,
LaunchTarget,
Hit,
HitTarget
}
public class SkillStatusData
{
public SkillStatusData(uint _pos, SkillState state)
{
Pos = (byte)_pos;
State = state;
}
public byte Pos;
public SkillState State;
}
public class SpellChainNode
{
public SpellInfo prev;
public SpellInfo next;
public SpellInfo first;
public SpellInfo last;
public byte rank;
}
public class SpellLearnSkillNode
{
public SkillType skill;
public ushort step;
public ushort value; // 0 - max skill value for player level
public ushort maxvalue; // 0 - max skill value for player level
}
public class SpellLearnSpellNode
{
public uint Spell;
public uint OverridesSpell;
public bool Active; // show in spellbook or not
public bool AutoLearned; // This marks the spell as automatically learned from another source that - will only be used for unlearning
}
public class SpellDestination
{
public SpellDestination()
{
Position = new WorldLocation();
TransportGUID = ObjectGuid.Empty;
TransportOffset = new Position();
}
public SpellDestination(float x, float y, float z, float orientation = 0.0f, uint mapId = 0xFFFFFFFF) : this()
{
Position.Relocate(x, y, z, orientation);
TransportGUID = ObjectGuid.Empty;
Position.SetMapId(mapId);
}
public SpellDestination(Position pos) : this()
{
Position.Relocate(pos);
TransportGUID = ObjectGuid.Empty;
}
public SpellDestination(WorldObject wObj) : this()
{
TransportGUID = wObj.GetTransGUID();
TransportOffset.Relocate(wObj.GetTransOffsetX(), wObj.GetTransOffsetY(), wObj.GetTransOffsetZ(), wObj.GetTransOffsetO());
Position.Relocate(wObj.GetPosition());
}
public void Relocate(Position pos)
{
if (!TransportGUID.IsEmpty())
{
Position offset;
Position.GetPositionOffsetTo(pos, out offset);
TransportOffset.RelocateOffset(offset);
}
Position.Relocate(pos);
}
public void RelocateOffset(Position offset)
{
if (!TransportGUID.IsEmpty())
TransportOffset.RelocateOffset(offset);
Position.RelocateOffset(offset);
}
public WorldLocation Position;
public ObjectGuid TransportGUID;
public Position TransportOffset;
}
public class TargetInfo
{
public ObjectGuid targetGUID;
public ulong timeDelay;
public SpellMissInfo missCondition;
public SpellMissInfo reflectResult;
public uint effectMask;
public bool processed;
public bool alive;
public bool crit;
public bool scaleAura;
public int damage;
}
public class GOTargetInfo
{
public ObjectGuid targetGUID;
public ulong timeDelay;
public uint effectMask;
public bool processed;
}
public class ItemTargetInfo
{
public Item item;
public uint effectMask;
}
public class SpellValue
{
public SpellValue(Difficulty difficulty, SpellInfo proto)
{
var effects = proto.GetEffectsForDifficulty(difficulty);
Contract.Assert(effects.Length <= SpellConst.MaxEffects);
foreach (SpellEffectInfo effect in effects)
if (effect != null)
EffectBasePoints[effect.EffectIndex] = effect.BasePoints;
MaxAffectedTargets = proto.MaxAffectedTargets;
RadiusMod = 1.0f;
AuraStackAmount = 1;
}
public int[] EffectBasePoints = new int[SpellConst.MaxEffects];
public uint MaxAffectedTargets;
public float RadiusMod;
public byte AuraStackAmount;
}
// Spell modifier (used for modify other spells)
public class SpellModifier
{
public SpellModifier(Aura _ownerAura)
{
op = SpellModOp.Damage;
type = SpellModType.Flat;
value = 0;
mask = new FlagArray128();
spellId = 0;
ownerAura = _ownerAura;
}
public SpellModOp op { get; set; }
public SpellModType type { get; set; }
public int value { get; set; }
public FlagArray128 mask { get; set; }
public uint spellId { get; set; }
public Aura ownerAura { get; set; }
}
public class WorldObjectSpellTargetCheck : ICheck<WorldObject>
{
public WorldObjectSpellTargetCheck(Unit caster, Unit referer, SpellInfo spellInfo,
SpellTargetCheckTypes selectionType, List<Condition> condList)
{
_caster = caster;
_referer = referer;
_spellInfo = spellInfo;
_targetSelectionType = selectionType;
_condList = condList;
if (condList != null)
_condSrcInfo = new ConditionSourceInfo(null, caster);
else
_condSrcInfo = null;
}
public virtual bool Invoke(WorldObject obj)
{
if (_spellInfo.CheckTarget(_caster, obj, true) != SpellCastResult.SpellCastOk)
return false;
Unit unitTarget = obj.ToUnit();
Corpse corpseTarget = obj.ToCorpse();
if (corpseTarget != null)
{
// use ofter for party/assistance checks
Player owner = Global.ObjAccessor.FindPlayer(corpseTarget.GetOwnerGUID());
if (owner != null)
unitTarget = owner;
else
return false;
}
if (unitTarget != null)
{
switch (_targetSelectionType)
{
case SpellTargetCheckTypes.Enemy:
if (unitTarget.IsTotem())
return false;
if (!_caster._IsValidAttackTarget(unitTarget, _spellInfo))
return false;
break;
case SpellTargetCheckTypes.Ally:
if (unitTarget.IsTotem())
return false;
if (!_caster._IsValidAssistTarget(unitTarget, _spellInfo))
return false;
break;
case SpellTargetCheckTypes.Party:
if (unitTarget.IsTotem())
return false;
if (!_caster._IsValidAssistTarget(unitTarget, _spellInfo))
return false;
if (!_referer.IsInPartyWith(unitTarget))
return false;
break;
case SpellTargetCheckTypes.RaidClass:
case SpellTargetCheckTypes.Raid:
if (_referer.GetClass() != unitTarget.GetClass())
return false;
if (unitTarget.IsTotem())
return false;
if (!_caster._IsValidAssistTarget(unitTarget, _spellInfo))
return false;
if (!_referer.IsInRaidWith(unitTarget))
return false;
break;
default:
break;
}
}
if (_condSrcInfo == null)
return true;
_condSrcInfo.mConditionTargets[0] = obj;
return Global.ConditionMgr.IsObjectMeetToConditions(_condSrcInfo, _condList);
}
public Unit _caster { get; set; }
Unit _referer;
public SpellInfo _spellInfo { get; set; }
SpellTargetCheckTypes _targetSelectionType;
ConditionSourceInfo _condSrcInfo;
List<Condition> _condList;
}
public class WorldObjectSpellNearbyTargetCheck : WorldObjectSpellTargetCheck
{
float _range;
Position _position;
public WorldObjectSpellNearbyTargetCheck(float range, Unit caster, SpellInfo spellInfo,
SpellTargetCheckTypes selectionType, List<Condition> condList)
: base(caster, caster, spellInfo, selectionType, condList)
{
_range = range;
_position = caster.GetPosition();
}
public override bool Invoke(WorldObject target)
{
float dist = target.GetDistance(_position);
if (dist < _range && base.Invoke(target))
{
_range = dist;
return true;
}
return false;
}
}
public class WorldObjectSpellAreaTargetCheck : WorldObjectSpellTargetCheck
{
float _range;
Position _position;
public WorldObjectSpellAreaTargetCheck(float range, Position position, Unit caster,
Unit referer, SpellInfo spellInfo, SpellTargetCheckTypes selectionType, List<Condition> condList)
: base(caster, referer, spellInfo, selectionType, condList)
{
_range = range;
_position = position;
}
public override bool Invoke(WorldObject target)
{
if (!target.IsWithinDist3d(_position, _range) && !(target.IsTypeId(TypeId.GameObject) && target.ToGameObject().IsInRange(_position.posX, _position.posY, _position.posZ, _range)))
return false;
return base.Invoke(target);
}
}
public class WorldObjectSpellConeTargetCheck : WorldObjectSpellAreaTargetCheck
{
public WorldObjectSpellConeTargetCheck(float coneAngle, float range, Unit caster, SpellInfo spellInfo, SpellTargetCheckTypes selectionType, List<Condition> condList)
: base(range, caster.GetPosition(), caster, caster, spellInfo, selectionType, condList)
{
_coneAngle = coneAngle;
}
public override bool Invoke(WorldObject target)
{
if (_spellInfo.HasAttribute(SpellCustomAttributes.ConeBack))
{
if (!_caster.isInBack(target, _coneAngle))
return false;
}
else if (_spellInfo.HasAttribute(SpellCustomAttributes.ConeLine))
{
if (!_caster.HasInLine(target, _caster.GetObjectSize() + target.GetObjectSize()))
return false;
}
else
{
if (!_caster.IsWithinBoundaryRadius(target.ToUnit()))
// ConeAngle > 0 -> select targets in front
// ConeAngle < 0 -> select targets in back
if (_caster.HasInArc(_coneAngle, target) != MathFunctions.fuzzyGe(_coneAngle, 0.0f))
return false;
}
return base.Invoke(target);
}
float _coneAngle;
}
public class WorldObjectSpellTrajTargetCheck : WorldObjectSpellAreaTargetCheck
{
public WorldObjectSpellTrajTargetCheck(float range, Position position, Unit caster, SpellInfo spellInfo)
: base(range, position, caster, caster, spellInfo, SpellTargetCheckTypes.Default, null) { }
public override bool Invoke(WorldObject target)
{
// return all targets on missile trajectory (0 - size of a missile)
if (!_caster.HasInLine(target, target.GetObjectSize()))
return false;
return base.Invoke(target);
}
}
public class SpellEvent : BasicEvent
{
public SpellEvent(Spell spell)
{
m_Spell = spell;
}
public override bool Execute(ulong e_time, uint p_time)
{
// update spell if it is not finished
if (m_Spell.getState() != SpellState.Finished)
m_Spell.update(p_time);
// check spell state to process
switch (m_Spell.getState())
{
case SpellState.Finished:
{
// spell was finished, check deletable state
if (m_Spell.IsDeletable())
{
// check, if we do have unfinished triggered spells
return true; // spell is deletable, finish event
}
// event will be re-added automatically at the end of routine)
break;
}
case SpellState.Delayed:
{
// first, check, if we have just started
if (m_Spell.GetDelayStart() != 0)
{
// run the spell handler and think about what we can do next
ulong t_offset = e_time - m_Spell.GetDelayStart();
ulong n_offset = m_Spell.handle_delayed(t_offset);
if (n_offset != 0)
{
// re-add us to the queue
m_Spell.GetCaster().m_Events.AddEvent(this, m_Spell.GetDelayStart() + n_offset, false);
return false; // event not complete
}
// event complete
// finish update event will be re-added automatically at the end of routine)
}
else
{
// delaying had just started, record the moment
m_Spell.SetDelayStart(e_time);
// handle effects on caster if the spell has travel time but also affects the caster in some way
if (!m_Spell.m_targets.HasDst())
{
ulong n_offset = m_Spell.handle_delayed(0);
Contract.Assert(n_offset == m_Spell.GetDelayMoment());
}
// re-plan the event for the delay moment
m_Spell.GetCaster().m_Events.AddEvent(this, e_time + m_Spell.GetDelayMoment(), false);
return false; // event not complete
}
break;
}
default:
{
// all other states
// event will be re-added automatically at the end of routine)
break;
}
}
// spell processing not complete, plan event on the next update interval
m_Spell.GetCaster().m_Events.AddEvent(this, e_time + 1, false);
return false; // event not complete
}
public override void Abort(ulong e_time)
{
// oops, the spell we try to do is aborted
if (m_Spell.getState() != SpellState.Finished)
m_Spell.cancel();
}
public override bool IsDeletable()
{
return m_Spell.IsDeletable();
}
Spell m_Spell;
}
class ProcReflectDelayed : BasicEvent
{
public ProcReflectDelayed(Unit owner, ObjectGuid casterGuid)
{
_victim = owner;
_casterGuid = casterGuid;
}
public override bool Execute(ulong e_time, uint p_time)
{
Unit caster = Global.ObjAccessor.GetUnit(_victim, _casterGuid);
if (!caster)
return true;
ProcFlags typeMaskActor = ProcFlags.None;
ProcFlags typeMaskActionTarget = ProcFlags.TakenSpellMagicDmgClassNeg | ProcFlags.TakenSpellNoneDmgClassNeg;
ProcFlagsSpellType spellTypeMask = ProcFlagsSpellType.Damage | ProcFlagsSpellType.NoDmgHeal;
ProcFlagsSpellPhase spellPhaseMask = ProcFlagsSpellPhase.None;
ProcFlagsHit hitMask = ProcFlagsHit.Reflect;
caster.ProcSkillsAndAuras(_victim, typeMaskActor, typeMaskActionTarget, spellTypeMask, spellPhaseMask, hitMask, null, null, null);
return true;
}
Unit _victim;
ObjectGuid _casterGuid;
}
}
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