public void CheckWriting1Packet()
{
m_PacketReader.RegisterType(typeof(WrapperPacket));
WrapperPacket writtenPacket = new WrapperPacket("Test1", 100);
m_PacketWriter.Write(writtenPacket);
Assert.AreEqual(108, m_MemoryStream.Position);
m_MemoryStream.Position = 0;
IPacket readPacket = m_PacketReader.Read();
Assert.AreEqual(writtenPacket, readPacket);
}
public void Read_Packet_With_Complex_Content()
{
PacketOutput output = _packetReader.Read("inv 1 0.5.4.1.0 1.2.9.7.0");
Check.That(output.Header).Is("inv");
Check.That(output.Content).IsNotNullOrEmpty();
string[] contentSplit = output.Content.Split(' ');
Check.That(contentSplit).CountIs(3);
Check.That(contentSplit).HasElementAt(0).WhichIs("1");
Check.That(contentSplit).HasElementAt(1).WhichIs("0.5.4.1.0");
Check.That(contentSplit).HasElementAt(2).WhichIs("1.2.9.7.0");
}
public void ReadFromPacket(IPacketReader reader)
{
_ = reader.ReadByte(); // FieldKey
_ = reader.ReadInt(); // dr0
_ = reader.ReadInt(); // dr1
var attackInfo = reader.ReadByte();
DamagePerMob = attackInfo >> 0 & 0xF;
MobCount = attackInfo >> 4 & 0xF;
_ = reader.ReadInt(); // dr2
_ = reader.ReadInt(); // dr3
SkillID = reader.ReadInt();
_ = reader.ReadBool(); // unk
_ = reader.ReadInt(); // dr rand
_ = reader.ReadInt(); // crc
_ = reader.ReadInt(); // skillLevel crc
_ = reader.ReadInt(); // skillLevel crc
Keydown = 0; // TODO keydownskill check - int keydown
var skillFlags = reader.ReadByte();
IsFinalAfterSlashBlast = (skillFlags & 0x0) > 0;
IsShadowPartner = (skillFlags & 8) > 0;
IsSerialAttack = (skillFlags & 32) > 0;
var actionInfo = reader.ReadShort();
Action = actionInfo & 0x7FFF;
IsFacingLeft = (actionInfo >> 15 & 1) > 0;
_ = reader.ReadInt(); // action crc?
ActionType = reader.ReadByte();
ActionSpeed = reader.ReadByte();
ActionTime = reader.ReadInt();
Phase = reader.ReadInt(); // BattleMage?
for (var i = 0; i < MobCount; i++)
{
Mobs.Add(reader.Read(new ClientAttackMobInfo(DamagePerMob)));
}
_ = reader.ReadPoint2D(); // unk
// TODO grenade readpoint2d
}
public IPacket Deserialize(string packet)
{
PacketOutput output = _packetReader.Read(packet);
CachedType cachedType = _reflectionCache.GetCachedType(output.Header);
if (string.IsNullOrEmpty(output.Header))
{
throw new InvalidOperationException("Failed to deserialize packet");
}
char firstChar = output.Header[0];
if (firstChar == '$' || firstChar == '%')
{
string name = output.Header.Remove(0);
string[] args = output.Content.Split(' ');
_logger.Debug($"[DESERIALIZER] Deserialized Command packet [Header: {firstChar} / Name {name}]");
return(new CommandPacket
{
Header = $"{firstChar}",
Content = output.Content,
Name = name,
Arguments = args
});
}
if (cachedType == null)
{
_logger.Debug($"[DESERIALIZER] No type found in cache for header {output.Header}");
return(new UnknownPacket
{
Header = output.Header,
Content = packet
});
}
var deserialized = (IPacket)_conversionFactory.ToObject(output.Content, cachedType.PacketType);
deserialized.Header = output.Header;
deserialized.Content = output.Content;
_logger.Debug($"[DESERIALIZER] {output.Header} successfully deserialized to {deserialized.GetType()}");
return(deserialized);
}
protected override async Task Handle(
GameStageUser stageUser,
IFieldObjUser user,
IPacketReader packet
)
{
_ = packet.ReadLong();
_ = packet.ReadByte();
_ = packet.ReadLong();
_ = packet.ReadInt();
_ = packet.ReadInt();
_ = packet.ReadInt();
var path = packet.Read(new MovePath());
var movement = new UnstructuredOutgoingPacket(PacketSendOperations.UserMove);
movement.WriteInt(user.ID);
movement.Write(path);
await user.Move(path);
await user.FieldSplit.Dispatch(user, movement);
}
protected override async Task Handle(
GameStageUser stageUser,
IFieldObjUser controller,
IFieldObjNPC controlled,
IPacketReader packet
)
{
var movement = new UnstructuredOutgoingPacket(PacketSendOperations.NpcMove);
movement.WriteInt(controlled.ID);
movement.WriteByte(packet.ReadByte()); // TODO: actions
movement.WriteByte(packet.ReadByte());
if (controlled.Info.Move)
{
var path = packet.Read(new MovePath());
movement.Write(path);
await controlled.Move(path);
}
await controlled.FieldSplit.Dispatch(movement);
}
protected override async Task Handle(GameStageUser stageUser, IFieldObjUser user, IPacketReader packet)
{
var clientAttackInfo = packet.Read(new ClientAttackInfo());
var skill = (Skill)clientAttackInfo.SkillID;
var skillLevel = clientAttackInfo.SkillID > 0 ? user.Character.GetSkillLevel(clientAttackInfo.SkillID) : 0;
var damageType = Type == AttackType.Magic ? DamageType.Magic : DamageType.Physical;
var damageApply = new List <Tuple <IFieldObjMob, int> >();
if (Type == AttackType.Melee)
{
// TODO bmage blows
}
if (Type == AttackType.Body)
{
// TODO teleport mastery
}
var operation = (PacketSendOperations)((int)PacketSendOperations.UserMeleeAttack + (int)Type);
var response = new UnstructuredOutgoingPacket(operation);
response.WriteInt(user.ID);
response.WriteByte((byte)(clientAttackInfo.DamagePerMob | 16 * clientAttackInfo.MobCount));
response.WriteByte(user.Character.Level);
response.WriteByte((byte)skillLevel);
if (skillLevel > 0)
{
response.WriteInt(clientAttackInfo.SkillID);
}
response.WriteByte((byte)(
1 * Convert.ToByte(clientAttackInfo.IsFinalAfterSlashBlast) |
8 * Convert.ToByte(clientAttackInfo.IsShadowPartner) |
16 * 0 |
32 * Convert.ToByte(clientAttackInfo.IsSerialAttack)
));
response.WriteShort((short)(
clientAttackInfo.Action & 0x7FFF |
Convert.ToByte(clientAttackInfo.IsFacingLeft) << 15)
);
if (clientAttackInfo.Action <= 0x110)
{
response.WriteByte(0); // nMastery
response.WriteByte(0); // v82
response.WriteInt(0); // bMovingShoot
clientAttackInfo.Mobs.ForEach(m =>
{
var critical = new bool[clientAttackInfo.DamagePerMob];
var damage = new int[clientAttackInfo.DamagePerMob];
var totalDamage = m.Damage.Sum();
var mob = user.Field.GetObject <IFieldObjMob>(m.MobID);
response.WriteInt(m.MobID);
response.WriteByte(m.HitAction);
if (mob != null)
{
var equipInventory = user.Character.Inventories[ItemInventoryType.Equip];
var serverAttackInfo = new AttackInfo(user, mob)
{
WeaponID = equipInventory.Items.ContainsKey((short)BodyPart.Weapon)
? equipInventory.Items[(short)BodyPart.Weapon].TemplateID
: 0,
BulletID = 0,
SkillID = clientAttackInfo.SkillID,
SkillLevel = skillLevel
};
var calculatedDamage = damageType == DamageType.Physical
? user.Damage.CalculateCharacterPDamage(serverAttackInfo)
: user.Damage.CalculateCharacterMDamage(serverAttackInfo);
var calculatedTotalDamage = calculatedDamage.Select(d => d.Damage).Sum();
// TODO cheatdetector?
if (clientAttackInfo.DamagePerMob != calculatedDamage.Length)
{
user.Message($"Attack count mismatch: {clientAttackInfo.DamagePerMob} : {calculatedDamage.Length}");
return;
}
if (totalDamage != calculatedTotalDamage)
{
user.Message($"Client damage: {string.Join(" + ", m.Damage.Select(m => $"{m}"))} = {totalDamage}");
user.Message($"Server damage: {string.Join(" + ", calculatedDamage.Select(m => $"{m.Damage}"))} = {calculatedTotalDamage}");
}
damageApply.Add(Tuple.Create(mob, calculatedTotalDamage));
for (var i = 0; i < clientAttackInfo.DamagePerMob; i++)
{
critical[i] = calculatedDamage[i].IsCritical;
damage[i] = calculatedDamage[i].Damage;
}
}
else
{
user.Damage.SkipCalculationForCharacterDamage();
}
for (var i = 0; i < clientAttackInfo.DamagePerMob; i++)
{
response.WriteBool(critical[i]);
response.WriteInt(damage[i]);
}
});
}
// TODO Keydown
await user.FieldSplit.Dispatch(user, response);
await Task.WhenAll(damageApply.Select(async a =>
{
var(mob, damage) = a;
mob.Controller = user;
await mob.Damage(user, damage);
}));
}
protected override async Task Handle(
GameStageUser stageUser,
IFieldObjUser controller,
IFieldObjMob controlled,
IPacketReader packet
)
{
if (controlled.HP <= 0)
{
return;
}
var mobCtrlSN = packet.ReadShort();
var v7 = packet.ReadByte(); //v85 = nDistance | 4 * (v184 | 2 * ((unsigned __int8)retaddr | 2 * v72)); [ CONFIRMED ]
var oldSplit = (v7 & 0xF0) != 0; //this is a type of CFieldSplit
var mobMoveStartResult = (v7 & 0xF) != 0;
var curSplit = packet.ReadByte();
var illegalVelocity = packet.ReadInt();
var v8 = packet.ReadByte();
var cheatedRandom = (v8 & 0xF0) != 0;
var cheatedCtrlMove = (v8 & 0xF) != 0;
var multiTargetForBall = packet.ReadInt();
for (var i = 0; i < multiTargetForBall; i++)
{
packet.ReadLong(); // int, int
}
var randTimeForAreaAttack = packet.ReadInt();
for (var i = 0; i < randTimeForAreaAttack; i++)
{
packet.ReadInt();
}
packet.ReadInt(); // HackedCode
packet.ReadInt(); // idk
packet.ReadInt(); // HackedCodeCrc
packet.ReadInt(); // idk
var path = packet.Read(new MovePath());
await controlled.Move(path);
var response = new UnstructuredOutgoingPacket(PacketSendOperations.MobCtrlAck);
response.WriteInt(controlled.ID);
response.WriteShort(mobCtrlSN);
response.WriteBool(mobMoveStartResult);
response.WriteShort((short)controlled.MP); // nMP
response.WriteByte(0); // SkillCommand
response.WriteByte(0); // SLV
await controller.Dispatch(response);
var movement = new UnstructuredOutgoingPacket(PacketSendOperations.MobMove);
movement.WriteInt(controlled.ID);
movement.WriteBool(false); // NotForceLandingWhenDiscard
movement.WriteBool(false); // NotChangeAction
movement.WriteBool(false); // NextAttackPossible
movement.WriteBool(false); // Left
movement.WriteInt(illegalVelocity);
movement.WriteInt(0); // MultiTargetForBall
movement.WriteInt(0); // RandTimeForAreaAttack
movement.Write(path);
await controlled.Field.Dispatch(controller, movement);
}