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CypherCore/Source/Game/Handlers/PetHandler.cs
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/*
* Copyright (C) 2012-2020 CypherCore <http://github.com/CypherCore>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using Framework.Constants;
using Framework.Database;
using Game.AI;
using Game.Entities;
using Game.Networking;
using Game.Networking.Packets;
using Game.Spells;
using System.Collections.Generic;
namespace Game
{
public partial class WorldSession
{
[WorldPacketHandler(ClientOpcodes.DismissCritter)]
void HandleDismissCritter(DismissCritter packet)
{
Unit pet = ObjectAccessor.GetCreatureOrPetOrVehicle(GetPlayer(), packet.CritterGUID);
if (!pet)
{
Log.outDebug(LogFilter.Network, "Critter {0} does not exist - player '{1}' ({2} / account: {3}) attempted to dismiss it (possibly lagged out)",
packet.CritterGUID.ToString(), GetPlayer().GetName(), GetPlayer().GetGUID().ToString(), GetAccountId());
return;
}
if (GetPlayer().GetCritterGUID() == pet.GetGUID())
{
if (pet.IsCreature() && pet.IsSummon())
{
if (!_player.GetSummonedBattlePetGUID().IsEmpty() && _player.GetSummonedBattlePetGUID() == pet.GetBattlePetCompanionGUID())
_player.SetBattlePetData(null);
pet.ToTempSummon().UnSummon();
}
}
}
[WorldPacketHandler(ClientOpcodes.PetAction)]
void HandlePetAction(PetAction packet)
{
ObjectGuid guid1 = packet.PetGUID; //pet guid
ObjectGuid guid2 = packet.TargetGUID; //tag guid
uint spellid = UnitActionBarEntry.UNIT_ACTION_BUTTON_ACTION(packet.Action);
ActiveStates flag = (ActiveStates)UnitActionBarEntry.UNIT_ACTION_BUTTON_TYPE(packet.Action); //delete = 0x07 CastSpell = C1
// used also for charmed creature
Unit pet = Global.ObjAccessor.GetUnit(GetPlayer(), guid1);
if (!pet)
{
Log.outError(LogFilter.Network, "HandlePetAction: {0} doesn't exist for {1}", guid1.ToString(), GetPlayer().GetGUID().ToString());
return;
}
if (pet != GetPlayer().GetFirstControlled())
{
Log.outError(LogFilter.Network, "HandlePetAction: {0} does not belong to {1}", guid1.ToString(), GetPlayer().GetGUID().ToString());
return;
}
if (!pet.IsAlive())
{
SpellInfo spell = (flag == ActiveStates.Enabled || flag == ActiveStates.Passive) ? Global.SpellMgr.GetSpellInfo(spellid, pet.GetMap().GetDifficultyID()) : null;
if (spell == null)
return;
if (!spell.HasAttribute(SpellAttr0.CastableWhileDead))
return;
}
// @todo allow control charmed player?
if (pet.IsTypeId(TypeId.Player) && !(flag == ActiveStates.Command && spellid == (uint)CommandStates.Attack))
return;
if (GetPlayer().m_Controlled.Count == 1)
HandlePetActionHelper(pet, guid1, spellid, flag, guid2, packet.ActionPosition.X, packet.ActionPosition.Y, packet.ActionPosition.Z);
else
{
//If a pet is dismissed, m_Controlled will change
List<Unit> controlled = new();
foreach (var unit in GetPlayer().m_Controlled)
if (unit.GetEntry() == pet.GetEntry() && unit.IsAlive())
controlled.Add(unit);
foreach (var unit in controlled)
HandlePetActionHelper(unit, guid1, spellid, flag, guid2, packet.ActionPosition.X, packet.ActionPosition.Y, packet.ActionPosition.Z);
}
}
[WorldPacketHandler(ClientOpcodes.PetStopAttack, Processing = PacketProcessing.Inplace)]
void HandlePetStopAttack(PetStopAttack packet)
{
Unit pet = ObjectAccessor.GetCreatureOrPetOrVehicle(GetPlayer(), packet.PetGUID);
if (!pet)
{
Log.outError(LogFilter.Network, "HandlePetStopAttack: {0} does not exist", packet.PetGUID.ToString());
return;
}
if (pet != GetPlayer().GetPet() && pet != GetPlayer().GetCharmed())
{
Log.outError(LogFilter.Network, "HandlePetStopAttack: {0} isn't a pet or charmed creature of player {1}", packet.PetGUID.ToString(), GetPlayer().GetName());
return;
}
if (!pet.IsAlive())
return;
pet.AttackStop();
}
void HandlePetActionHelper(Unit pet, ObjectGuid guid1, uint spellid, ActiveStates flag, ObjectGuid guid2, float x, float y, float z)
{
CharmInfo charmInfo = pet.GetCharmInfo();
if (charmInfo == null)
{
Log.outError(LogFilter.Network, "WorldSession.HandlePetAction(petGuid: {0}, tagGuid: {1}, spellId: {2}, flag: {3}): object (GUID: {4} Entry: {5} TypeId: {6}) is considered pet-like but doesn't have a charminfo!",
guid1, guid2, spellid, flag, pet.GetGUID().ToString(), pet.GetEntry(), pet.GetTypeId());
return;
}
switch (flag)
{
case ActiveStates.Command: //0x07
switch ((CommandStates)spellid)
{
case CommandStates.Stay: // flat = 1792 //STAY
pet.GetMotionMaster().Clear(MovementGeneratorPriority.Normal);
pet.GetMotionMaster().MoveIdle();
charmInfo.SetCommandState(CommandStates.Stay);
charmInfo.SetIsCommandAttack(false);
charmInfo.SetIsAtStay(true);
charmInfo.SetIsCommandFollow(false);
charmInfo.SetIsFollowing(false);
charmInfo.SetIsReturning(false);
charmInfo.SaveStayPosition();
break;
case CommandStates.Follow: // spellid = 1792 //FOLLOW
pet.AttackStop();
pet.InterruptNonMeleeSpells(false);
pet.GetMotionMaster().MoveFollow(GetPlayer(), SharedConst.PetFollowDist, pet.GetFollowAngle());
charmInfo.SetCommandState(CommandStates.Follow);
charmInfo.SetIsCommandAttack(false);
charmInfo.SetIsAtStay(false);
charmInfo.SetIsReturning(true);
charmInfo.SetIsCommandFollow(true);
charmInfo.SetIsFollowing(false);
break;
case CommandStates.Attack: // spellid = 1792 //ATTACK
{
// Can't attack if owner is pacified
if (GetPlayer().HasAuraType(AuraType.ModPacify))
{
// @todo Send proper error message to client
return;
}
// only place where pet can be player
Unit TargetUnit = Global.ObjAccessor.GetUnit(GetPlayer(), guid2);
if (!TargetUnit)
return;
Unit owner = pet.GetOwner();
if (owner)
if (!owner.IsValidAttackTarget(TargetUnit))
return;
// This is true if pet has no target or has target but targets differs.
if (pet.GetVictim() != TargetUnit || !pet.GetCharmInfo().IsCommandAttack())
{
if (pet.GetVictim())
pet.AttackStop();
if (!pet.IsTypeId(TypeId.Player) && pet.ToCreature().IsAIEnabled())
{
charmInfo.SetIsCommandAttack(true);
charmInfo.SetIsAtStay(false);
charmInfo.SetIsFollowing(false);
charmInfo.SetIsCommandFollow(false);
charmInfo.SetIsReturning(false);
CreatureAI AI = pet.ToCreature().GetAI();
if (AI is PetAI)
((PetAI)AI)._AttackStart(TargetUnit); // force target switch
else
AI.AttackStart(TargetUnit);
//10% chance to play special pet attack talk, else growl
if (pet.IsPet() && pet.ToPet().GetPetType() == PetType.Summon && pet != TargetUnit && RandomHelper.IRand(0, 100) < 10)
pet.SendPetTalk(PetTalk.Attack);
else
{
// 90% chance for pet and 100% chance for charmed creature
pet.SendPetAIReaction(guid1);
}
}
else // charmed player
{
charmInfo.SetIsCommandAttack(true);
charmInfo.SetIsAtStay(false);
charmInfo.SetIsFollowing(false);
charmInfo.SetIsCommandFollow(false);
charmInfo.SetIsReturning(false);
pet.Attack(TargetUnit, true);
pet.SendPetAIReaction(guid1);
}
}
break;
}
case CommandStates.Abandon: // abandon (hunter pet) or dismiss (summoned pet)
if (pet.GetCharmerGUID() == GetPlayer().GetGUID())
GetPlayer().StopCastingCharm();
else if (pet.GetOwnerGUID() == GetPlayer().GetGUID())
{
Cypher.Assert(pet.IsTypeId(TypeId.Unit));
if (pet.IsPet())
{
if (pet.ToPet().GetPetType() == PetType.Hunter)
GetPlayer().RemovePet(pet.ToPet(), PetSaveMode.AsDeleted);
else
GetPlayer().RemovePet(pet.ToPet(), PetSaveMode.NotInSlot);
}
else if (pet.HasUnitTypeMask(UnitTypeMask.Minion))
{
((Minion)pet).UnSummon();
}
}
break;
case CommandStates.MoveTo:
pet.StopMoving();
pet.GetMotionMaster().Clear();
pet.GetMotionMaster().MovePoint(0, x, y, z);
charmInfo.SetCommandState(CommandStates.MoveTo);
charmInfo.SetIsCommandAttack(false);
charmInfo.SetIsAtStay(true);
charmInfo.SetIsFollowing(false);
charmInfo.SetIsReturning(false);
charmInfo.SaveStayPosition();
break;
default:
Log.outError(LogFilter.Network, "WORLD: unknown PET flag Action {0} and spellid {1}.", flag, spellid);
break;
}
break;
case ActiveStates.Reaction: // 0x6
switch ((ReactStates)spellid)
{
case ReactStates.Passive: //passive
pet.AttackStop();
goto case ReactStates.Defensive;
case ReactStates.Defensive: //recovery
case ReactStates.Aggressive: //activete
if (pet.IsTypeId(TypeId.Unit))
pet.ToCreature().SetReactState((ReactStates)spellid);
break;
}
break;
case ActiveStates.Disabled: // 0x81 spell (disabled), ignore
case ActiveStates.Passive: // 0x01
case ActiveStates.Enabled: // 0xC1 spell
{
Unit unit_target = null;
if (!guid2.IsEmpty())
unit_target = Global.ObjAccessor.GetUnit(GetPlayer(), guid2);
// do not cast unknown spells
SpellInfo spellInfo = Global.SpellMgr.GetSpellInfo(spellid, pet.GetMap().GetDifficultyID());
if (spellInfo == null)
{
Log.outError(LogFilter.Network, "WORLD: unknown PET spell id {0}", spellid);
return;
}
foreach (var spellEffectInfo in spellInfo.GetEffects())
{
if (spellEffectInfo.TargetA.GetTarget() == Targets.UnitSrcAreaEnemy || spellEffectInfo.TargetA.GetTarget() == Targets.UnitDestAreaEnemy || spellEffectInfo.TargetA.GetTarget() == Targets.DestDynobjEnemy)
return;
}
// do not cast not learned spells
if (!pet.HasSpell(spellid) || spellInfo.IsPassive())
return;
// Clear the flags as if owner clicked 'attack'. AI will reset them
// after AttackStart, even if spell failed
if (pet.GetCharmInfo() != null)
{
pet.GetCharmInfo().SetIsAtStay(false);
pet.GetCharmInfo().SetIsCommandAttack(true);
pet.GetCharmInfo().SetIsReturning(false);
pet.GetCharmInfo().SetIsFollowing(false);
}
Spell spell = new(pet, spellInfo, TriggerCastFlags.None);
SpellCastResult result = spell.CheckPetCast(unit_target);
//auto turn to target unless possessed
if (result == SpellCastResult.UnitNotInfront && !pet.IsPossessed() && !pet.IsVehicle())
{
Unit unit_target2 = spell.m_targets.GetUnitTarget();
if (unit_target)
{
if (!pet.HasSpellFocus())
pet.SetInFront(unit_target);
Player player = unit_target.ToPlayer();
if (player)
pet.SendUpdateToPlayer(player);
}
else if (unit_target2)
{
if (!pet.HasSpellFocus())
pet.SetInFront(unit_target2);
Player player = unit_target2.ToPlayer();
if (player)
pet.SendUpdateToPlayer(player);
}
Unit powner = pet.GetCharmerOrOwner();
if (powner)
{
Player player = powner.ToPlayer();
if (player)
pet.SendUpdateToPlayer(player);
}
result = SpellCastResult.SpellCastOk;
}
if (result == SpellCastResult.SpellCastOk)
{
unit_target = spell.m_targets.GetUnitTarget();
//10% chance to play special pet attack talk, else growl
//actually this only seems to happen on special spells, fire shield for imp, torment for voidwalker, but it's stupid to check every spell
if (pet.IsPet() && (pet.ToPet().GetPetType() == PetType.Summon) && (pet != unit_target) && (RandomHelper.IRand(0, 100) < 10))
pet.SendPetTalk(PetTalk.SpecialSpell);
else
{
pet.SendPetAIReaction(guid1);
}
if (unit_target && !GetPlayer().IsFriendlyTo(unit_target) && !pet.IsPossessed() && !pet.IsVehicle())
{
// This is true if pet has no target or has target but targets differs.
if (pet.GetVictim() != unit_target)
{
CreatureAI ai = pet.ToCreature().GetAI();
if (ai != null)
{
PetAI petAI = (PetAI)ai;
if (petAI != null)
petAI._AttackStart(unit_target); // force victim switch
else
ai.AttackStart(unit_target);
}
}
}
spell.Prepare(spell.m_targets);
}
else
{
if (pet.IsPossessed() || pet.IsVehicle()) // @todo: confirm this check
Spell.SendCastResult(GetPlayer(), spellInfo, spell.m_SpellVisual, spell.m_castId, result);
else
spell.SendPetCastResult(result);
if (!pet.GetSpellHistory().HasCooldown(spellid))
pet.GetSpellHistory().ResetCooldown(spellid, true);
spell.Finish(false);
spell.Dispose();
// reset specific flags in case of spell fail. AI will reset other flags
if (pet.GetCharmInfo() != null)
pet.GetCharmInfo().SetIsCommandAttack(false);
}
break;
}
default:
Log.outError(LogFilter.Network, "WORLD: unknown PET flag Action {0} and spellid {1}.", flag, spellid);
break;
}
}
[WorldPacketHandler(ClientOpcodes.QueryPetName, Processing = PacketProcessing.Inplace)]
void HandleQueryPetName(QueryPetName packet)
{
SendQueryPetNameResponse(packet.UnitGUID);
}
void SendQueryPetNameResponse(ObjectGuid guid)
{
QueryPetNameResponse response = new();
response.UnitGUID = guid;
Creature unit = ObjectAccessor.GetCreatureOrPetOrVehicle(GetPlayer(), guid);
if (unit)
{
response.Allow = true;
response.Timestamp = unit.m_unitData.PetNameTimestamp;
response.Name = unit.GetName();
Pet pet = unit.ToPet();
if (pet)
{
DeclinedName names = pet.GetDeclinedNames();
if (names != null)
{
response.HasDeclined = true;
response.DeclinedNames = names;
}
}
}
GetPlayer().SendPacket(response);
}
bool CheckStableMaster(ObjectGuid guid)
{
// spell case or GM
if (guid == GetPlayer().GetGUID())
{
if (!GetPlayer().IsGameMaster() && !GetPlayer().HasAuraType(AuraType.OpenStable))
{
Log.outDebug(LogFilter.Network, "{0} attempt open stable in cheating way.", guid.ToString());
return false;
}
}
// stable master case
else
{
if (!GetPlayer().GetNPCIfCanInteractWith(guid, NPCFlags.StableMaster, NPCFlags2.None))
{
Log.outDebug(LogFilter.Network, "Stablemaster {0} not found or you can't interact with him.", guid.ToString());
return false;
}
}
return true;
}
[WorldPacketHandler(ClientOpcodes.PetSetAction)]
void HandlePetSetAction(PetSetAction packet)
{
ObjectGuid petguid = packet.PetGUID;
Unit pet = Global.ObjAccessor.GetUnit(GetPlayer(), petguid);
if (!pet || pet != GetPlayer().GetFirstControlled())
{
Log.outError(LogFilter.Network, "HandlePetSetAction: Unknown {0} or pet owner {1}", petguid.ToString(), GetPlayer().GetGUID().ToString());
return;
}
CharmInfo charmInfo = pet.GetCharmInfo();
if (charmInfo == null)
{
Log.outError(LogFilter.Network, "WorldSession.HandlePetSetAction: {0} is considered pet-like but doesn't have a charminfo!", pet.GetGUID().ToString());
return;
}
List<Unit> pets = new();
foreach (Unit controlled in _player.m_Controlled)
if (controlled.GetEntry() == pet.GetEntry() && controlled.IsAlive())
pets.Add(controlled);
uint position = packet.Index;
uint actionData = packet.Action;
uint spell_id = UnitActionBarEntry.UNIT_ACTION_BUTTON_ACTION(actionData);
ActiveStates act_state = (ActiveStates)UnitActionBarEntry.UNIT_ACTION_BUTTON_TYPE(actionData);
Log.outDebug(LogFilter.Network, "Player {0} has changed pet spell action. Position: {1}, Spell: {2}, State: {3}", GetPlayer().GetName(), position, spell_id, act_state);
foreach (Unit petControlled in pets)
{
//if it's act for spell (en/disable/cast) and there is a spell given (0 = remove spell) which pet doesn't know, don't add
if (!((act_state == ActiveStates.Enabled || act_state == ActiveStates.Disabled || act_state == ActiveStates.Passive) && spell_id != 0 && !petControlled.HasSpell(spell_id)))
{
SpellInfo spellInfo = Global.SpellMgr.GetSpellInfo(spell_id, petControlled.GetMap().GetDifficultyID());
if (spellInfo != null)
{
//sign for autocast
if (act_state == ActiveStates.Enabled)
{
if (petControlled.GetTypeId() == TypeId.Unit && petControlled.IsPet())
((Pet)petControlled).ToggleAutocast(spellInfo, true);
else
{
foreach (var unit in GetPlayer().m_Controlled)
if (unit.GetEntry() == petControlled.GetEntry())
unit.GetCharmInfo().ToggleCreatureAutocast(spellInfo, true);
}
}
//sign for no/turn off autocast
else if (act_state == ActiveStates.Disabled)
{
if (petControlled.GetTypeId() == TypeId.Unit && petControlled.IsPet())
petControlled.ToPet().ToggleAutocast(spellInfo, false);
else
{
foreach (var unit in GetPlayer().m_Controlled)
if (unit.GetEntry() == petControlled.GetEntry())
unit.GetCharmInfo().ToggleCreatureAutocast(spellInfo, false);
}
}
}
charmInfo.SetActionBar((byte)position, spell_id, act_state);
}
}
}
[WorldPacketHandler(ClientOpcodes.PetRename)]
void HandlePetRename(PetRename packet)
{
ObjectGuid petguid = packet.RenameData.PetGUID;
bool isdeclined = packet.RenameData.HasDeclinedNames;
string name = packet.RenameData.NewName;
PetStable petStable = _player.GetPetStable();
Pet pet = ObjectAccessor.GetPet(GetPlayer(), petguid);
// check it!
if (!pet || !pet.IsPet() || pet.ToPet().GetPetType() != PetType.Hunter || !pet.HasPetFlag(UnitPetFlags.CanBeRenamed) ||
pet.GetOwnerGUID() != _player.GetGUID() || pet.GetCharmInfo() == null ||
petStable == null || petStable.GetCurrentPet() == null || petStable.GetCurrentPet().PetNumber != pet.GetCharmInfo().GetPetNumber())
return;
PetNameInvalidReason res = ObjectManager.CheckPetName(name);
if (res != PetNameInvalidReason.Success)
{
SendPetNameInvalid(res, name, null);
return;
}
if (Global.ObjectMgr.IsReservedName(name))
{
SendPetNameInvalid(PetNameInvalidReason.Reserved, name, null);
return;
}
pet.SetName(name);
pet.SetGroupUpdateFlag(GroupUpdatePetFlags.Name);
pet.RemovePetFlag(UnitPetFlags.CanBeRenamed);
petStable.GetCurrentPet().Name = name;
petStable.GetCurrentPet().WasRenamed = true;
PreparedStatement stmt;
SQLTransaction trans = new();
if (isdeclined)
{
stmt = DB.Characters.GetPreparedStatement(CharStatements.DEL_CHAR_PET_DECLINEDNAME);
stmt.AddValue(0, pet.GetCharmInfo().GetPetNumber());
trans.Append(stmt);
stmt = DB.Characters.GetPreparedStatement(CharStatements.INS_CHAR_PET_DECLINEDNAME);
stmt.AddValue(0, pet.GetCharmInfo().GetPetNumber());
stmt.AddValue(1, GetPlayer().GetGUID().ToString());
for (byte i = 0; i < SharedConst.MaxDeclinedNameCases; i++)
stmt.AddValue(i + 1, packet.RenameData.DeclinedNames.name[i]);
trans.Append(stmt);
}
stmt = DB.Characters.GetPreparedStatement(CharStatements.UPD_CHAR_PET_NAME);
stmt.AddValue(0, name);
stmt.AddValue(1, GetPlayer().GetGUID().ToString());
stmt.AddValue(2, pet.GetCharmInfo().GetPetNumber());
trans.Append(stmt);
DB.Characters.CommitTransaction(trans);
pet.SetPetNameTimestamp((uint)GameTime.GetGameTime()); // cast can't be helped
}
[WorldPacketHandler(ClientOpcodes.PetAbandon)]
void HandlePetAbandon(PetAbandon packet)
{
if (!GetPlayer().IsInWorld)
return;
// pet/charmed
Creature pet = ObjectAccessor.GetCreatureOrPetOrVehicle(GetPlayer(), packet.Pet);
if (pet && pet.ToPet() && pet.ToPet().GetPetType() == PetType.Hunter)
{
_player.RemovePet((Pet)pet, PetSaveMode.AsDeleted);
}
}
[WorldPacketHandler(ClientOpcodes.PetSpellAutocast, Processing = PacketProcessing.Inplace)]
void HandlePetSpellAutocast(PetSpellAutocast packet)
{
Creature pet = ObjectAccessor.GetCreatureOrPetOrVehicle(GetPlayer(), packet.PetGUID);
if (!pet)
{
Log.outError(LogFilter.Network, "WorldSession.HandlePetSpellAutocast: {0} not found.", packet.PetGUID.ToString());
return;
}
if (pet != GetPlayer().GetGuardianPet() && pet != GetPlayer().GetCharmed())
{
Log.outError(LogFilter.Network, "WorldSession.HandlePetSpellAutocast: {0} isn't pet of player {1} ({2}).",
packet.PetGUID.ToString(), GetPlayer().GetName(), GetPlayer().GetGUID().ToString());
return;
}
SpellInfo spellInfo = Global.SpellMgr.GetSpellInfo(packet.SpellID, pet.GetMap().GetDifficultyID());
if (spellInfo == null)
{
Log.outError(LogFilter.Network, "WorldSession.HandlePetSpellAutocast: Unknown spell id {0} used by {1}.", packet.SpellID, packet.PetGUID.ToString());
return;
}
List<Unit> pets = new();
foreach (Unit controlled in _player.m_Controlled)
if (controlled.GetEntry() == pet.GetEntry() && controlled.IsAlive())
pets.Add(controlled);
foreach (Unit petControlled in pets)
{
// do not add not learned spells/ passive spells
if (!petControlled.HasSpell(packet.SpellID) || !spellInfo.IsAutocastable())
return;
CharmInfo charmInfo = petControlled.GetCharmInfo();
if (charmInfo == null)
{
Log.outError(LogFilter.Network, "WorldSession.HandlePetSpellAutocastOpcod: object {0} is considered pet-like but doesn't have a charminfo!", petControlled.GetGUID().ToString());
return;
}
if (petControlled.IsPet())
petControlled.ToPet().ToggleAutocast(spellInfo, packet.AutocastEnabled);
else
charmInfo.ToggleCreatureAutocast(spellInfo, packet.AutocastEnabled);
charmInfo.SetSpellAutocast(spellInfo, packet.AutocastEnabled);
}
}
[WorldPacketHandler(ClientOpcodes.PetCastSpell, Processing = PacketProcessing.Inplace)]
void HandlePetCastSpell(PetCastSpell petCastSpell)
{
Unit caster = Global.ObjAccessor.GetUnit(GetPlayer(), petCastSpell.PetGUID);
if (!caster)
{
Log.outError(LogFilter.Network, "WorldSession.HandlePetCastSpell: Caster {0} not found.", petCastSpell.PetGUID.ToString());
return;
}
SpellInfo spellInfo = Global.SpellMgr.GetSpellInfo(petCastSpell.Cast.SpellID, caster.GetMap().GetDifficultyID());
if (spellInfo == null)
{
Log.outError(LogFilter.Network, "WorldSession.HandlePetCastSpell: unknown spell id {0} tried to cast by {1}", petCastSpell.Cast.SpellID, petCastSpell.PetGUID.ToString());
return;
}
// This opcode is also sent from charmed and possessed units (players and creatures)
if (caster != GetPlayer().GetGuardianPet() && caster != GetPlayer().GetCharmed())
{
Log.outError(LogFilter.Network, "WorldSession.HandlePetCastSpell: {0} isn't pet of player {1} ({2}).", petCastSpell.PetGUID.ToString(), GetPlayer().GetName(), GetPlayer().GetGUID().ToString());
return;
}
SpellCastTargets targets = new(caster, petCastSpell.Cast);
TriggerCastFlags triggerCastFlags = TriggerCastFlags.None;
if (spellInfo.IsPassive())
return;
// cast only learned spells
if (!caster.HasSpell(spellInfo.Id))
{
bool allow = false;
// allow casting of spells triggered by clientside periodic trigger auras
if (caster.HasAuraTypeWithTriggerSpell(AuraType.PeriodicTriggerSpellFromClient, spellInfo.Id))
{
allow = true;
triggerCastFlags = TriggerCastFlags.FullMask;
}
if (!allow)
return;
}
Spell spell = new(caster, spellInfo, triggerCastFlags);
spell.m_fromClient = true;
spell.m_misc.Data0 = petCastSpell.Cast.Misc[0];
spell.m_misc.Data1 = petCastSpell.Cast.Misc[1];
spell.m_targets = targets;
SpellCastResult result = spell.CheckPetCast(null);
if (result == SpellCastResult.SpellCastOk)
{
Creature creature = caster.ToCreature();
if (creature)
{
Pet pet = creature.ToPet();
if (pet)
{
// 10% chance to play special pet attack talk, else growl
// actually this only seems to happen on special spells, fire shield for imp, torment for voidwalker, but it's stupid to check every spell
if (pet.GetPetType() == PetType.Summon && (RandomHelper.IRand(0, 100) < 10))
pet.SendPetTalk(PetTalk.SpecialSpell);
else
pet.SendPetAIReaction(petCastSpell.PetGUID);
}
}
SpellPrepare spellPrepare = new();
spellPrepare.ClientCastID = petCastSpell.Cast.CastID;
spellPrepare.ServerCastID = spell.m_castId;
SendPacket(spellPrepare);
spell.Prepare(targets);
}
else
{
spell.SendPetCastResult(result);
if (!caster.GetSpellHistory().HasCooldown(spellInfo.Id))
caster.GetSpellHistory().ResetCooldown(spellInfo.Id, true);
spell.Finish(false);
spell.Dispose();
}
}
void SendPetNameInvalid(PetNameInvalidReason error, string name, DeclinedName declinedName)
{
PetNameInvalid petNameInvalid = new();
petNameInvalid.Result = error;
petNameInvalid.RenameData.NewName = name;
for (int i = 0; i < SharedConst.MaxDeclinedNameCases; i++)
petNameInvalid.RenameData.DeclinedNames.name[i] = declinedName.name[i];
SendPacket(petNameInvalid);
}
[WorldPacketHandler(ClientOpcodes.RequestPetInfo)]
void HandleRequestPetInfo(RequestPetInfo requestPetInfo)
{
// Handle the packet CMSG_REQUEST_PET_INFO - sent when player does ingame /reload command
// Packet sent when player has a pet
if (_player.GetPet())
_player.PetSpellInitialize();
else
{
Unit charm = _player.GetCharmed();
if (charm != null)
{
// Packet sent when player has a possessed unit
if (charm.HasUnitState(UnitState.Possessed))
_player.PossessSpellInitialize();
// Packet sent when player controlling a vehicle
else if (charm.HasUnitFlag(UnitFlags.PlayerControlled) && charm.HasUnitFlag(UnitFlags.Possessed))
_player.VehicleSpellInitialize();
// Packet sent when player has a charmed unit
else
_player.CharmSpellInitialize();
}
}
}
}
}
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