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SpellHandler.cs
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SpellHandler.cs
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using Framework;
using HermesProxy.Enums;
using HermesProxy.World.Enums;
using HermesProxy.World.Objects;
using HermesProxy.World.Server.Packets;
using System;
namespace HermesProxy.World.Client
{
public partial class WorldClient
{
// Handlers for SMSG opcodes coming the legacy world server
[PacketHandler(Opcode.SMSG_SEND_KNOWN_SPELLS)]
void HandleSendKnownSpells(WorldPacket packet)
{
SendKnownSpells spells = new SendKnownSpells();
spells.InitialLogin = packet.ReadBool();
ushort spellCount = packet.ReadUInt16();
for (ushort i = 0; i < spellCount; i++)
{
uint spellId;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_1_0_9767))
spellId = packet.ReadUInt32();
else
spellId = packet.ReadUInt16();
spells.KnownSpells.Add(spellId);
packet.ReadInt16();
}
SendPacketToClient(spells);
ushort cooldownCount = packet.ReadUInt16();
if (cooldownCount != 0)
{
SendSpellHistory histories = new SendSpellHistory();
for (ushort i = 0; i < cooldownCount; i++)
{
SpellHistoryEntry history = new SpellHistoryEntry();
uint spellId;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_1_0_9767))
spellId = packet.ReadUInt32();
else
spellId = packet.ReadUInt16();
history.SpellID = spellId;
uint itemId;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V4_2_2_14545))
itemId = packet.ReadUInt32();
else
itemId = packet.ReadUInt16();
history.ItemID = itemId;
history.Category = packet.ReadUInt16();
history.RecoveryTime = packet.ReadInt32();
history.CategoryRecoveryTime = packet.ReadInt32();
histories.Entries.Add(history);
}
SendPacketToClient(histories, Opcode.SMSG_SEND_UNLEARN_SPELLS);
}
// These packets don't exist in Vanilla.
if (LegacyVersion.RemovedInVersion(ClientVersionBuild.V2_0_1_6180))
{
SendPacketToClient(new SendUnlearnSpells());
SendPacketToClient(new SendSpellCharges());
}
}
[PacketHandler(Opcode.SMSG_SUPERCEDED_SPELLS)]
void HandleSupercededSpells(WorldPacket packet)
{
SupercededSpells spells = new SupercededSpells();
uint spellId;
uint supercededId;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_2_9056))
{
supercededId = packet.ReadUInt32();
spellId = packet.ReadUInt32();
}
else
{
supercededId = packet.ReadUInt16();
spellId = packet.ReadUInt16();
}
spells.SpellID.Add(spellId);
spells.Superceded.Add(supercededId);
SendPacketToClient(spells);
}
[PacketHandler(Opcode.SMSG_LEARNED_SPELL)]
void HandleLearnedSpell(WorldPacket packet)
{
LearnedSpells spells = new LearnedSpells();
uint spellId = packet.ReadUInt32();
spells.Spells.Add(spellId);
SendPacketToClient(spells);
}
[PacketHandler(Opcode.SMSG_SEND_UNLEARN_SPELLS)]
void HandleSendUnlearnSpells(WorldPacket packet)
{
SendUnlearnSpells spells = new SendUnlearnSpells();
uint spellCount = packet.ReadUInt32();
for (uint i = 0; i < spellCount; i++)
{
uint spellId = packet.ReadUInt32();
spells.Spells.Add(spellId);
}
SendPacketToClient(spells);
}
[PacketHandler(Opcode.SMSG_UNLEARNED_SPELLS)]
void HandleUnlearnedSpells(WorldPacket packet)
{
UnlearnedSpells spells = new UnlearnedSpells();
uint spellId;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_1_0_9767))
spellId = packet.ReadUInt32();
else
spellId = packet.ReadUInt16();
spells.Spells.Add(spellId);
SendPacketToClient(spells);
}
[PacketHandler(Opcode.SMSG_CAST_FAILED)]
void HandleCastFailed(WorldPacket packet)
{
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_2_9056))
packet.ReadUInt8(); // cast count
uint spellId = packet.ReadUInt32();
if (LegacyVersion.RemovedInVersion(ClientVersionBuild.V2_0_1_6180))
{
var status = packet.ReadUInt8();
if (status != 2)
return;
}
uint reason = packet.ReadUInt8();
if (LegacyVersion.InVersion(ClientVersionBuild.V2_0_1_6180, ClientVersionBuild.V3_0_2_9056))
packet.ReadUInt8(); // cast count
int arg1 = 0;
int arg2 = 0;
if (packet.CanRead())
arg1 = packet.ReadInt32();
if (packet.CanRead())
arg2 = packet.ReadInt32();
if (GetSession().GameState.CurrentClientSpecialCast != null &&
GetSession().GameState.CurrentClientSpecialCast.SpellId == spellId)
{
CastFailed failed = new();
failed.SpellID = GetSession().GameState.CurrentClientSpecialCast.SpellId;
failed.SpellXSpellVisualID = GetSession().GameState.CurrentClientSpecialCast.SpellXSpellVisualId;
failed.Reason = LegacyVersion.ConvertSpellCastResult(reason);
failed.CastID = GetSession().GameState.CurrentClientSpecialCast.ServerGUID;
failed.FailedArg1 = arg1;
failed.FailedArg2 = arg2;
SendPacketToClient(failed);
GetSession().GameState.CurrentClientSpecialCast = null;
}
else if (GetSession().GameState.CurrentClientNormalCast != null &&
GetSession().GameState.CurrentClientNormalCast.SpellId == spellId)
{
if (!GetSession().GameState.CurrentClientNormalCast.HasStarted)
{
SpellPrepare prepare2 = new SpellPrepare();
prepare2.ClientCastID = GetSession().GameState.CurrentClientNormalCast.ClientGUID;
prepare2.ServerCastID = GetSession().GameState.CurrentClientNormalCast.ServerGUID;
SendPacketToClient(prepare2);
}
CastFailed failed = new();
failed.SpellID = GetSession().GameState.CurrentClientNormalCast.SpellId;
failed.SpellXSpellVisualID = GetSession().GameState.CurrentClientNormalCast.SpellXSpellVisualId;
failed.Reason = LegacyVersion.ConvertSpellCastResult(reason);
failed.CastID = GetSession().GameState.CurrentClientNormalCast.ServerGUID;
failed.FailedArg1 = arg1;
failed.FailedArg2 = arg2;
SendPacketToClient(failed);
GetSession().GameState.CurrentClientNormalCast = null;
foreach (var pending in GetSession().GameState.PendingClientCasts)
GetSession().InstanceSocket.SendCastRequestFailed(pending, false);
GetSession().GameState.PendingClientCasts.Clear();
}
}
[PacketHandler(Opcode.SMSG_PET_CAST_FAILED, ClientVersionBuild.Zero, ClientVersionBuild.V2_0_1_6180)]
void HandlePetCastFailed(WorldPacket packet)
{
uint spellId = packet.ReadUInt32();
var status = packet.ReadUInt8();
if (status != 2)
return;
if (GetSession().GameState.CurrentClientPetCast == null ||
GetSession().GameState.CurrentClientPetCast.SpellId != spellId)
return;
if (!GetSession().GameState.CurrentClientPetCast.HasStarted)
{
SpellPrepare prepare2 = new SpellPrepare();
prepare2.ClientCastID = GetSession().GameState.CurrentClientPetCast.ClientGUID;
prepare2.ServerCastID = GetSession().GameState.CurrentClientPetCast.ServerGUID;
SendPacketToClient(prepare2);
}
PetCastFailed spell = new PetCastFailed();
spell.SpellID = spellId;
uint reason = packet.ReadUInt8();
spell.Reason = LegacyVersion.ConvertSpellCastResult(reason);
spell.CastID = GetSession().GameState.CurrentClientPetCast.ServerGUID;
SendPacketToClient(spell);
foreach (var pending in GetSession().GameState.PendingClientPetCasts)
GetSession().InstanceSocket.SendCastRequestFailed(pending, true);
GetSession().GameState.PendingClientPetCasts.Clear();
}
[PacketHandler(Opcode.SMSG_PET_CAST_FAILED, ClientVersionBuild.V2_0_1_6180)]
void HandlePetCastFailedTBC(WorldPacket packet)
{
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_2_9056))
packet.ReadUInt8(); // cast count
uint spellId = packet.ReadUInt32();
if (GetSession().GameState.CurrentClientPetCast == null ||
GetSession().GameState.CurrentClientPetCast.SpellId != spellId)
return;
if (!GetSession().GameState.CurrentClientPetCast.HasStarted)
{
SpellPrepare prepare2 = new SpellPrepare();
prepare2.ClientCastID = GetSession().GameState.CurrentClientPetCast.ClientGUID;
prepare2.ServerCastID = GetSession().GameState.CurrentClientPetCast.ServerGUID;
SendPacketToClient(prepare2);
}
PetCastFailed failed = new PetCastFailed();
failed.SpellID = spellId;
uint reason = packet.ReadUInt8();
failed.Reason = LegacyVersion.ConvertSpellCastResult(reason);
failed.CastID = GetSession().GameState.CurrentClientPetCast.ServerGUID;
if (packet.CanRead())
failed.FailedArg1 = packet.ReadInt32();
if (packet.CanRead())
failed.FailedArg2 = packet.ReadInt32();
SendPacketToClient(failed);
foreach (var pending in GetSession().GameState.PendingClientPetCasts)
GetSession().InstanceSocket.SendCastRequestFailed(pending, true);
GetSession().GameState.PendingClientPetCasts.Clear();
}
[PacketHandler(Opcode.SMSG_SPELL_FAILED_OTHER)]
void HandleSpellFailedOther(WorldPacket packet)
{
WowGuid128 casterUnit;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180))
casterUnit = packet.ReadPackedGuid().To128(GetSession().GameState);
else
casterUnit = packet.ReadGuid().To128(GetSession().GameState);
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_2_9056))
packet.ReadUInt8(); // Cast Count
uint spellId = packet.ReadUInt32();
byte reason = 61;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_2_9056))
reason = (byte)LegacyVersion.ConvertSpellCastResult(packet.ReadUInt8());
WowGuid128 castId;
uint spellVisual;
if (GetSession().GameState.CurrentPlayerGuid == casterUnit &&
GetSession().GameState.CurrentClientNormalCast != null &&
GetSession().GameState.CurrentClientNormalCast.SpellId == spellId)
{
castId = GetSession().GameState.CurrentClientNormalCast.ServerGUID;
spellVisual = GetSession().GameState.CurrentClientNormalCast.SpellXSpellVisualId;
}
else if (GetSession().GameState.CurrentPetGuid == casterUnit &&
GetSession().GameState.CurrentClientPetCast != null &&
GetSession().GameState.CurrentClientPetCast.SpellId == spellId)
{
castId = GetSession().GameState.CurrentClientPetCast.ServerGUID;
spellVisual = GetSession().GameState.CurrentClientPetCast.SpellXSpellVisualId;
}
else
{
castId = WowGuid128.Create(HighGuidType703.Cast, SpellCastSource.Normal, (uint)GetSession().GameState.CurrentMapId, spellId, spellId + casterUnit.GetCounter());
spellVisual = GameData.GetSpellVisual(spellId);
}
SpellFailure spell = new SpellFailure();
spell.CasterUnit = casterUnit;
spell.CastID = castId;
spell.SpellID = spellId;
spell.SpellXSpellVisualID = spellVisual;
spell.Reason = reason;
SendPacketToClient(spell);
SpellFailedOther spell2 = new SpellFailedOther();
spell2.CasterUnit = casterUnit;
spell2.CastID = castId;
spell2.SpellID = spellId;
spell2.SpellXSpellVisualID = spellVisual;
spell2.Reason = reason;
SendPacketToClient(spell2);
}
[PacketHandler(Opcode.SMSG_SPELL_START)]
void HandleSpellStart(WorldPacket packet)
{
if (GetSession().GameState.CurrentMapId == null)
return;
SpellStart spell = new SpellStart();
spell.Cast = HandleSpellStartOrGo(packet, false);
byte failPending = 0;
if (GetSession().GameState.CurrentPlayerGuid == spell.Cast.CasterUnit &&
GetSession().GameState.CurrentClientNormalCast != null &&
GetSession().GameState.CurrentClientNormalCast.SpellId == spell.Cast.SpellID)
{
spell.Cast.CastID = GetSession().GameState.CurrentClientNormalCast.ServerGUID;
spell.Cast.SpellXSpellVisualID = GetSession().GameState.CurrentClientNormalCast.SpellXSpellVisualId;
GetSession().GameState.CurrentClientNormalCast.HasStarted = true;
SpellPrepare prepare = new();
prepare.ClientCastID = GetSession().GameState.CurrentClientNormalCast.ClientGUID;
prepare.ServerCastID = spell.Cast.CastID;
SendPacketToClient(prepare);
failPending = 1;
}
else if (GetSession().GameState.CurrentPetGuid == spell.Cast.CasterUnit &&
GetSession().GameState.CurrentClientPetCast != null &&
GetSession().GameState.CurrentClientPetCast.SpellId == spell.Cast.SpellID)
{
spell.Cast.CastID = GetSession().GameState.CurrentClientPetCast.ServerGUID;
spell.Cast.SpellXSpellVisualID = GetSession().GameState.CurrentClientPetCast.SpellXSpellVisualId;
GetSession().GameState.CurrentClientPetCast.HasStarted = true;
SpellPrepare prepare = new();
prepare.ClientCastID = GetSession().GameState.CurrentClientPetCast.ClientGUID;
prepare.ServerCastID = spell.Cast.CastID;
SendPacketToClient(prepare);
failPending = 2;
}
if (LegacyVersion.RemovedInVersion(ClientVersionBuild.V2_0_1_6180))
{
// We need spell id for SMSG_SPELL_DISPELL_LOG since its not sent by server
if (GameData.DispellSpells.Contains((uint)spell.Cast.SpellID))
GetSession().GameState.LastDispellSpellId = (uint)spell.Cast.SpellID;
}
SendPacketToClient(spell);
if (failPending == 1)
{
foreach (var pending in GetSession().GameState.PendingClientCasts)
GetSession().InstanceSocket.SendCastRequestFailed(pending, false);
GetSession().GameState.PendingClientCasts.Clear();
}
else if (failPending == 2)
{
foreach (var pending in GetSession().GameState.PendingClientPetCasts)
GetSession().InstanceSocket.SendCastRequestFailed(pending, true);
GetSession().GameState.PendingClientPetCasts.Clear();
}
}
[PacketHandler(Opcode.SMSG_SPELL_GO)]
void HandleSpellGo(WorldPacket packet)
{
if (GetSession().GameState.CurrentMapId == null)
return;
SpellGo spell = new SpellGo();
spell.Cast = HandleSpellStartOrGo(packet, true);
if (GetSession().GameState.CurrentPlayerGuid == spell.Cast.CasterUnit &&
GetSession().GameState.CurrentClientNormalCast != null &&
GetSession().GameState.CurrentClientNormalCast.SpellId == spell.Cast.SpellID)
{
spell.Cast.CastID = GetSession().GameState.CurrentClientNormalCast.ServerGUID;
spell.Cast.SpellXSpellVisualID = GetSession().GameState.CurrentClientNormalCast.SpellXSpellVisualId;
GetSession().GameState.CurrentClientNormalCast = null;
}
else if (GetSession().GameState.CurrentPlayerGuid == spell.Cast.CasterUnit &&
GetSession().GameState.CurrentClientSpecialCast != null &&
GetSession().GameState.CurrentClientSpecialCast.SpellId == spell.Cast.SpellID)
{
spell.Cast.CastID = GetSession().GameState.CurrentClientSpecialCast.ServerGUID;
spell.Cast.SpellXSpellVisualID = GetSession().GameState.CurrentClientSpecialCast.SpellXSpellVisualId;
GetSession().GameState.CurrentClientSpecialCast = null;
}
else if (GetSession().GameState.CurrentPetGuid == spell.Cast.CasterUnit &&
GetSession().GameState.CurrentClientPetCast != null &&
GetSession().GameState.CurrentClientPetCast.SpellId == spell.Cast.SpellID)
{
spell.Cast.CastID = GetSession().GameState.CurrentClientPetCast.ServerGUID;
spell.Cast.SpellXSpellVisualID = GetSession().GameState.CurrentClientPetCast.SpellXSpellVisualId;
GetSession().GameState.CurrentClientPetCast = null;
}
SendPacketToClient(spell);
}
SpellCastData HandleSpellStartOrGo(WorldPacket packet, bool isSpellGo)
{
SpellCastData dbdata = new SpellCastData();
dbdata.CasterGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
dbdata.CasterUnit = packet.ReadPackedGuid().To128(GetSession().GameState);
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_2_9056))
packet.ReadUInt8(); // cast count
dbdata.SpellID = packet.ReadInt32();
dbdata.SpellXSpellVisualID = GameData.GetSpellVisual((uint)dbdata.SpellID);
dbdata.CastID = WowGuid128.Create(HighGuidType703.Cast, SpellCastSource.Normal, (uint)GetSession().GameState.CurrentMapId, (uint)dbdata.SpellID, (ulong)dbdata.SpellID + dbdata.CasterUnit.GetCounter());
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180) && LegacyVersion.RemovedInVersion(ClientVersionBuild.V3_0_2_9056) && !isSpellGo)
packet.ReadUInt8(); // cast count
uint flags;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_2_9056))
flags = packet.ReadUInt32();
else
flags = packet.ReadUInt16();
dbdata.CastFlags = flags;
if (!isSpellGo || LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180))
dbdata.CastTime = packet.ReadUInt32();
if (isSpellGo)
{
var hitCount = packet.ReadUInt8();
for (var i = 0; i < hitCount; i++)
{
WowGuid128 hitTarget = packet.ReadGuid().To128(GetSession().GameState);
dbdata.HitTargets.Add(hitTarget);
}
var missCount = packet.ReadUInt8();
for (var i = 0; i < missCount; i++)
{
WowGuid128 missTarget = packet.ReadGuid().To128(GetSession().GameState);
SpellMissInfo missType = (SpellMissInfo)packet.ReadUInt8();
SpellMissInfo reflectType = SpellMissInfo.None;
if (missType == SpellMissInfo.Reflect)
reflectType = (SpellMissInfo)packet.ReadUInt8();
dbdata.MissTargets.Add(missTarget);
dbdata.MissStatus.Add(new SpellMissStatus(missType, reflectType));
}
}
var targetFlags = LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180) ?
(SpellCastTargetFlags)packet.ReadUInt32() : (SpellCastTargetFlags)packet.ReadUInt16();
dbdata.Target.Flags = targetFlags;
WowGuid128 unitTarget = WowGuid128.Empty;
if (targetFlags.HasAnyFlag(SpellCastTargetFlags.Unit | SpellCastTargetFlags.CorpseEnemy | SpellCastTargetFlags.GameObject |
SpellCastTargetFlags.CorpseAlly | SpellCastTargetFlags.UnitMinipet))
unitTarget = packet.ReadPackedGuid().To128(GetSession().GameState);
dbdata.Target.Unit = unitTarget;
WowGuid128 itemTarget = WowGuid128.Empty;
if (targetFlags.HasAnyFlag(SpellCastTargetFlags.Item | SpellCastTargetFlags.TradeItem))
itemTarget = packet.ReadPackedGuid().To128(GetSession().GameState);
dbdata.Target.Item = itemTarget;
if (targetFlags.HasAnyFlag(SpellCastTargetFlags.SourceLocation))
{
dbdata.Target.SrcLocation = new TargetLocation();
dbdata.Target.SrcLocation.Transport = WowGuid128.Empty;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_2_0_10192))
dbdata.Target.SrcLocation.Transport = packet.ReadPackedGuid().To128(GetSession().GameState);
dbdata.Target.SrcLocation.Location = packet.ReadVector3();
}
if (targetFlags.HasAnyFlag(SpellCastTargetFlags.DestLocation))
{
dbdata.Target.DstLocation = new TargetLocation();
dbdata.Target.DstLocation.Transport = WowGuid128.Empty;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_8_9464))
dbdata.Target.DstLocation.Transport = packet.ReadPackedGuid().To128(GetSession().GameState);
dbdata.Target.DstLocation.Location = packet.ReadVector3();
}
if (targetFlags.HasAnyFlag(SpellCastTargetFlags.String))
dbdata.Target.Name = packet.ReadCString();
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_2_9056))
{
if (flags.HasAnyFlag(CastFlag.PredictedPower))
{
packet.ReadInt32(); // Rune Cooldown
}
if (flags.HasAnyFlag(CastFlag.RuneInfo))
{
var spellRuneState = packet.ReadUInt8();
var playerRuneState = packet.ReadUInt8();
for (var i = 0; i < 6; i++)
{
var mask = 1 << i;
if ((mask & spellRuneState) == 0)
continue;
if ((mask & playerRuneState) != 0)
continue;
packet.ReadUInt8(); // Rune Cooldown Passed
}
}
if (isSpellGo)
{
if (flags.HasAnyFlag(CastFlag.AdjustMissile))
{
dbdata.MissileTrajectory.Pitch = packet.ReadFloat(); // Elevation
dbdata.MissileTrajectory.TravelTime = packet.ReadUInt32(); // Delay time
}
}
}
if (flags.HasAnyFlag(CastFlag.Projectile))
{
dbdata.AmmoDisplayId = packet.ReadInt32();
dbdata.AmmoInventoryType = packet.ReadInt32();
}
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_2_9056))
{
if (isSpellGo)
{
if (flags.HasAnyFlag(CastFlag.VisualChain))
{
packet.ReadInt32();
packet.ReadInt32();
}
if (targetFlags.HasAnyFlag(SpellCastTargetFlags.DestLocation))
packet.ReadInt8(); // Some count
if (targetFlags.HasAnyFlag(SpellCastTargetFlags.ExtraTargets))
{
var targetCount = packet.ReadInt32();
if (targetCount > 0)
{
TargetLocation location = new();
for (var i = 0; i < targetCount; i++)
{
location.Location = packet.ReadVector3();
location.Transport = packet.ReadGuid().To128(GetSession().GameState);
}
dbdata.TargetPoints.Add(location);
}
}
}
else
{
if (flags.HasAnyFlag(CastFlag.Immunity))
{
dbdata.Immunities.School = packet.ReadUInt32();
dbdata.Immunities.Value = packet.ReadUInt32();
}
if (flags.HasAnyFlag(CastFlag.HealPrediction))
{
packet.ReadInt32(); // Predicted Spell ID
if (packet.ReadUInt8() == 2)
packet.ReadPackedGuid();
}
}
}
return dbdata;
}
[PacketHandler(Opcode.SMSG_CANCEL_AUTO_REPEAT)]
void HandleCancelAutoRepeat(WorldPacket packet)
{
if (GetSession().GameState.CurrentClientSpecialCast != null &&
GameData.AutoRepeatSpells.Contains(GetSession().GameState.CurrentClientSpecialCast.SpellId))
{
GetSession().GameState.CurrentClientSpecialCast = null;
}
CancelAutoRepeat cancel = new CancelAutoRepeat();
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_2_9056))
cancel.Guid = packet.ReadPackedGuid().To128(GetSession().GameState);
else
cancel.Guid = GetSession().GameState.CurrentPlayerGuid;
SendPacketToClient(cancel);
}
[PacketHandler(Opcode.SMSG_SPELL_COOLDOWN)]
void HandleSpellCooldown(WorldPacket packet)
{
SpellCooldownPkt cooldown = new();
try
{
cooldown.Caster = packet.ReadGuid().To128(GetSession().GameState);
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180))
cooldown.Flags = packet.ReadUInt8();
while (packet.CanRead())
{
SpellCooldownStruct cd = new();
cd.SpellID = packet.ReadUInt32();
cd.ForcedCooldown = packet.ReadUInt32();
cooldown.SpellCooldowns.Add(cd);
}
}
catch (ArgumentOutOfRangeException ex)
{
// wrong structure from arcemu
// https://github.com/arcemu/arcemu/blob/2_4_3/src/arcemu-world/Spell.cpp#L1554
packet.ResetReadPos();
SpellCooldownStruct cd = new();
cd.SpellID = packet.ReadUInt32();
cooldown.Caster = packet.ReadPackedGuid().To128(GetSession().GameState);
cd.ForcedCooldown = packet.ReadUInt32();
cooldown.SpellCooldowns.Add(cd);
}
SendPacketToClient(cooldown);
}
[PacketHandler(Opcode.SMSG_COOLDOWN_EVENT)]
void HandleCooldownEvent(WorldPacket packet)
{
CooldownEvent cooldown = new();
cooldown.SpellID = packet.ReadUInt32();
WowGuid guid = packet.ReadGuid();
cooldown.IsPet = guid.GetHighType() == HighGuidType.Pet;
SendPacketToClient(cooldown);
}
[PacketHandler(Opcode.SMSG_CLEAR_COOLDOWN)]
void HandleClearCooldown(WorldPacket packet)
{
ClearCooldown cooldown = new();
cooldown.SpellID = packet.ReadUInt32();
WowGuid guid = packet.ReadGuid();
cooldown.IsPet = guid.GetHighType() == HighGuidType.Pet;
SendPacketToClient(cooldown);
}
[PacketHandler(Opcode.SMSG_COOLDOWN_CHEAT)]
void HandleCooldownCheat(WorldPacket packet)
{
CooldownCheat cooldown = new();
cooldown.Guid = packet.ReadGuid().To128(GetSession().GameState);
SendPacketToClient(cooldown);
}
[PacketHandler(Opcode.SMSG_SPELL_NON_MELEE_DAMAGE_LOG)]
void HandleSpellNonMeleeDamageLog(WorldPacket packet)
{
SpellNonMeleeDamageLog spell = new();
spell.TargetGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
spell.CasterGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
spell.SpellID = packet.ReadUInt32();
spell.SpellXSpellVisualID = GameData.GetSpellVisual(spell.SpellID);
spell.CastID = WowGuid128.Create(HighGuidType703.Cast, SpellCastSource.Normal, (uint)GetSession().GameState.CurrentMapId, spell.SpellID, spell.SpellID + spell.CasterGUID.GetCounter());
spell.Damage = packet.ReadInt32();
spell.OriginalDamage = spell.Damage;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_3_9183))
spell.Overkill = packet.ReadInt32();
else
spell.Overkill = -1;
byte school = packet.ReadUInt8();
if (LegacyVersion.RemovedInVersion(ClientVersionBuild.V2_0_1_6180))
school = (byte)(1u << school);
spell.SchoolMask = school;
spell.Absorbed = packet.ReadInt32();
spell.Resisted = packet.ReadInt32();
spell.Periodic = packet.ReadBool();
packet.ReadUInt8(); // unused
spell.ShieldBlock = packet.ReadInt32();
spell.Flags = (SpellHitType)packet.ReadUInt32();
bool debugOutput = packet.ReadBool();
if (debugOutput)
{
if (!spell.Flags.HasAnyFlag(SpellHitType.Split))
{
if (spell.Flags.HasAnyFlag(SpellHitType.CritDebug))
{
packet.ReadFloat(); // roll
packet.ReadFloat(); // needed
}
if (spell.Flags.HasAnyFlag(SpellHitType.HitDebug))
{
packet.ReadFloat(); // roll
packet.ReadFloat(); // needed
}
if (spell.Flags.HasAnyFlag(SpellHitType.AttackTableDebug))
{
packet.ReadFloat(); // miss chance
packet.ReadFloat(); // dodge chance
packet.ReadFloat(); // parry chance
packet.ReadFloat(); // block chance
packet.ReadFloat(); // glance chance
packet.ReadFloat(); // crush chance
}
}
}
SendPacketToClient(spell);
}
[PacketHandler(Opcode.SMSG_SPELL_HEAL_LOG)]
void HandleSpellHealLog(WorldPacket packet)
{
SpellHealLog spell = new();
spell.TargetGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
spell.CasterGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
spell.SpellID = packet.ReadUInt32();
spell.HealAmount = packet.ReadInt32();
spell.OriginalHealAmount = spell.HealAmount;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_3_9183))
spell.OverHeal = packet.ReadUInt32();
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_2_0_10192))
spell.Absorbed = packet.ReadUInt32();
spell.Crit = packet.ReadBool();
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180))
{
bool debugOutput = packet.ReadBool();
if (debugOutput)
{
spell.CritRollMade = packet.ReadFloat();
spell.CritRollNeeded = packet.ReadFloat();
}
}
SendPacketToClient(spell);
}
[PacketHandler(Opcode.SMSG_SPELL_PERIODIC_AURA_LOG)]
void HandleSpellPeriodicAuraLog(WorldPacket packet)
{
SpellPeriodicAuraLog spell = new();
spell.TargetGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
spell.CasterGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
spell.SpellID = packet.ReadUInt32();
var count = packet.ReadInt32();
for (var i = 0; i < count; i++)
{
var aura = (AuraType)packet.ReadUInt32();
switch (aura)
{
case AuraType.PeriodicDamage:
case AuraType.PeriodicDamagePercent:
{
SpellPeriodicAuraLog.SpellLogEffect effect = new();
effect.Effect = (uint)aura;
effect.Amount = packet.ReadInt32();
effect.OriginalDamage = effect.Amount;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_2_9056))
effect.OverHealOrKill = packet.ReadUInt32();
uint school = packet.ReadUInt32();
if (LegacyVersion.RemovedInVersion(ClientVersionBuild.V2_0_1_6180))
school = (1u << (byte)school);
effect.SchoolMaskOrPower = school;
effect.AbsorbedOrAmplitude = packet.ReadUInt32();
effect.Resisted = packet.ReadUInt32();
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_1_2_9901))
effect.Crit = packet.ReadBool();
spell.Effects.Add(effect);
break;
}
case AuraType.PeriodicHeal:
case AuraType.ObsModHealth:
{
SpellPeriodicAuraLog.SpellLogEffect effect = new();
effect.Effect = (uint)aura;
effect.Amount = packet.ReadInt32();
effect.OriginalDamage = effect.Amount;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_2_9056))
effect.OverHealOrKill = packet.ReadUInt32();
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_3_0_10958))
// no idea when this was added exactly
effect.AbsorbedOrAmplitude = packet.ReadUInt32();
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_1_2_9901))
effect.Crit = packet.ReadBool();
spell.Effects.Add(effect);
break;
}
case AuraType.ObsModPower:
case AuraType.PeriodicEnergize:
{
SpellPeriodicAuraLog.SpellLogEffect effect = new();
effect.Effect = (uint)aura;
effect.SchoolMaskOrPower = packet.ReadUInt32();
effect.Amount = packet.ReadInt32();
spell.Effects.Add(effect);
break;
}
case AuraType.PeriodicManaLeech:
{
SpellPeriodicAuraLog.SpellLogEffect effect = new();
effect.Effect = (uint)aura;
effect.SchoolMaskOrPower = packet.ReadUInt32();
effect.Amount = packet.ReadInt32();
packet.ReadFloat(); // Gain multiplier
spell.Effects.Add(effect);
break;
}
}
}
SendPacketToClient(spell);
}
[PacketHandler(Opcode.SMSG_SPELL_ENERGIZE_LOG)]
void HandleSpellEnergizeLog(WorldPacket packet)
{
SpellEnergizeLog spell = new();
spell.TargetGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
spell.CasterGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
spell.SpellID = packet.ReadUInt32();
spell.Type = (PowerType)packet.ReadUInt32();
spell.Amount = packet.ReadInt32();
SendPacketToClient(spell);
}
[PacketHandler(Opcode.SMSG_SPELL_DELAYED)]
void HandleSpellDelayed(WorldPacket packet)
{
SpellDelayed delay = new();
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180))
delay.CasterGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
else
delay.CasterGUID = packet.ReadGuid().To128(GetSession().GameState);
delay.Delay = packet.ReadInt32();
SendPacketToClient(delay);
}
[PacketHandler(Opcode.MSG_CHANNEL_START)]
void HandleSpellChannelStart(WorldPacket packet)
{
SpellChannelStart channel = new();
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180))
channel.CasterGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
else
channel.CasterGUID = GetSession().GameState.CurrentPlayerGuid;
channel.SpellID = packet.ReadUInt32();
channel.SpellXSpellVisualID = GameData.GetSpellVisual(channel.SpellID);
channel.Duration = packet.ReadUInt32();
SendPacketToClient(channel);
}
[PacketHandler(Opcode.MSG_CHANNEL_UPDATE)]
void HandleSpellChannelUpdate(WorldPacket packet)
{
SpellChannelUpdate channel = new();
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180))
channel.CasterGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
else
channel.CasterGUID = GetSession().GameState.CurrentPlayerGuid;
channel.TimeRemaining = packet.ReadInt32();
SendPacketToClient(channel);
}
[PacketHandler(Opcode.SMSG_SPELL_DAMAGE_SHIELD)]
void HandleSpellDamageShield(WorldPacket packet)
{
SpellDamageShield spell = new();
spell.VictimGUID = packet.ReadGuid().To128(GetSession().GameState);
spell.CasterGUID = packet.ReadGuid().To128(GetSession().GameState);
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180))
spell.SpellID = packet.ReadUInt32();
else
spell.SpellID = 7294; // Retribution Aura
spell.Damage = packet.ReadInt32();
spell.OriginalDamage = spell.Damage;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V3_0_2_9056))
spell.OverKill = packet.ReadUInt32();
uint school = packet.ReadUInt32();
if (LegacyVersion.RemovedInVersion(ClientVersionBuild.V2_0_1_6180))
school = (1u << (byte)school);
spell.SchoolMask = school;
SendPacketToClient(spell);
}
[PacketHandler(Opcode.SMSG_ENVIRONMENTAL_DAMAGE_LOG)]
void HandleEnvironmentalDamageLog(WorldPacket packet)
{
EnvironmentalDamageLog damage = new();
damage.Victim = packet.ReadGuid().To128(GetSession().GameState);
damage.Type = (EnvironmentalDamage)packet.ReadUInt8();
damage.Amount = packet.ReadInt32();
damage.Absorbed = packet.ReadInt32();
damage.Resisted = packet.ReadInt32();
SendPacketToClient(damage);
}
[PacketHandler(Opcode.SMSG_SPELL_INSTAKILL_LOG)]
void HandleSpellInstakillLog(WorldPacket packet)
{
SpellInstakillLog spell = new();
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180))
{
spell.CasterGUID = packet.ReadGuid().To128(GetSession().GameState);
spell.TargetGUID = packet.ReadGuid().To128(GetSession().GameState);
}
else
spell.CasterGUID = spell.TargetGUID = packet.ReadGuid().To128(GetSession().GameState);
spell.SpellID = packet.ReadUInt32();
SendPacketToClient(spell);
}
[PacketHandler(Opcode.SMSG_SPELL_DISPELL_LOG)]
void HandleSpellDispellLog(WorldPacket packet)
{
SpellDispellLog spell = new();
spell.TargetGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
spell.CasterGUID = packet.ReadPackedGuid().To128(GetSession().GameState);
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180))
spell.DispelledBySpellID = packet.ReadUInt32();
else
spell.DispelledBySpellID = GetSession().GameState.LastDispellSpellId;
bool hasDebug;
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180))
hasDebug = packet.ReadBool();
else
hasDebug = false;
int count = packet.ReadInt32();
for (int i = 0; i < count; i++)
{
SpellDispellData dispel = new SpellDispellData();
dispel.SpellID = packet.ReadUInt32();
if (LegacyVersion.AddedInVersion(ClientVersionBuild.V2_0_1_6180))
dispel.Harmful = packet.ReadBool();
spell.DispellData.Add(dispel);
}
if (hasDebug)
{
packet.ReadInt32(); // unk
packet.ReadInt32(); // unk
}
SendPacketToClient(spell);
}
[PacketHandler(Opcode.SMSG_PLAY_SPELL_VISUAL)]
void HandlePlaySpellVisualKit(WorldPacket packet)
{
PlaySpellVisualKit spell = new();
spell.Unit = packet.ReadGuid().To128(GetSession().GameState);
spell.KitRecID = packet.ReadUInt32();
SendPacketToClient(spell);
}
[PacketHandler(Opcode.SMSG_UPDATE_AURA_DURATION)]
void HandleUpdateAuraDuration(WorldPacket packet)
{
byte slot = packet.ReadUInt8();
int duration = packet.ReadInt32();
WowGuid128 guid = GetSession().GameState.CurrentPlayerGuid;