/// <summary>
/// Encrypts the given packet
/// </summary>
/// <param name="p">The packet to encrypt</param>
public static Packet Encrypt(Packet p, int key)
{
byte[] buffer = p.GetBuffer();
int packetLength = buffer.Length - 4;
string value;
int Lenght;
byte AL, BL;
long CX, CL, DL;
value = buffer[3].ToString("x2");
value += buffer[2].ToString("x2");
Lenght = Int32.Parse(value, NumberStyles.HexNumber);
AL = (byte)key;
BL = buffer[0];
CX = Lenght + 4;
CL = CX;
DL = CL;
DL = (byte)(DL + AL);
BL = (byte)(BL + DL); // First encrypted byte
buffer[0] = BL;
DL = (byte)(BL); // DL = Packet first byte
DL = (byte)(DL + CL); // ADD DL, CL
DL = (byte)(AL + DL); // ADD DL, AL (gotta parse 1)
DL = (byte)(DL + buffer[1]);
buffer[1] = (byte)DL;
for (int i = 0; i < packetLength; i++)
{
BL = (byte)(CL);
BL = (byte)(DL + BL);
BL = (byte)(AL + BL);
BL = (byte)(BL + buffer[i + 4]);
buffer[i + 4] = BL;
DL = BL;
}
return(new Packet(buffer));
}
/// <summary>
/// Decrypts the given packet
/// </summary>
/// <param name="p">The packet to decrypt</param>
public static Packet Decrypt(Packet p, int key)
{
byte[] data = p.GetBuffer();
int packetLength = data.Length - 4;
string value;
int Lenght;
byte BL, DL, CL;
long AL;
value = data[3].ToString("x2");
value += data[2].ToString("x2");
Lenght = Int32.Parse(value, NumberStyles.HexNumber);
BL = (byte)key;
CL = data[0];
AL = Lenght + 4;
DL = CL;
DL = (byte)(DL - AL);
DL = (byte)(DL - BL);
data[0] = DL;
DL = data[1];
BL = DL;
BL = (byte)(BL - AL);
BL = (byte)(BL - CL);
BL = (byte)(BL - key);
data[1] = BL;
for (int a = 0; a < Lenght; a++)
{
BL = data[a + 4];
BL = (byte)(BL - AL);
BL = (byte)(BL - DL);
BL = (byte)(BL - key);
DL = data[a + 4];
data[a + 4] = BL;
}
return(new Packet(data));
}
/// <summary>
/// Decrypts the given packet
/// </summary>
/// <param name="p">The packet to decrypt</param>
public static Packet Decrypt(Packet p, int key)
{
byte[] data = p.GetBuffer();
int packetLength = data.Length - 4;
string value;
int Lenght;
byte BL, DL, CL;
long AL;
value = data[3].ToString("x2");
value += data[2].ToString("x2");
Lenght = Int32.Parse(value, NumberStyles.HexNumber);
BL = (byte)key;
CL = data[0];
AL = Lenght + 4;
DL = CL;
DL = (byte)(DL - AL);
DL = (byte)(DL - BL);
data[0] = DL;
DL = data[1];
BL = DL;
BL = (byte)(BL - AL);
BL = (byte)(BL - CL);
BL = (byte)(BL - key);
data[1] = BL;
for (int a = 0; a < Lenght; a++)
{
BL = data[a + 4];
BL = (byte)(BL - AL);
BL = (byte)(BL - DL);
BL = (byte)(BL - key);
DL = data[a + 4];
data[a + 4] = BL;
}
return new Packet(data);
}
public static Packet Normal(Packet p)
{
byte[] data = p.GetBuffer();
return(new Packet(data));
}
public static Packet Normal(Packet p)
{
byte[] data = p.GetBuffer();
return new Packet(data);
}
/// <summary>
/// Encrypts the given packet
/// </summary>
/// <param name="p">The packet to encrypt</param>
public static Packet Encrypt(Packet p, int key)
{
byte[] buffer = p.GetBuffer();
int packetLength = buffer.Length - 4;
string value;
int Lenght;
byte AL, BL;
long CX, CL, DL;
value = buffer[3].ToString("x2");
value += buffer[2].ToString("x2");
Lenght = Int32.Parse(value, NumberStyles.HexNumber);
AL = (byte)key;
BL = buffer[0];
CX = Lenght + 4;
CL = CX;
DL = CL;
DL = (byte)(DL + AL);
BL = (byte)(BL + DL); // First encrypted byte
buffer[0] = BL;
DL = (byte)(BL); // DL = Packet first byte
DL = (byte)(DL + CL); // ADD DL, CL
DL = (byte)(AL + DL); // ADD DL, AL (gotta parse 1)
DL = (byte)(DL + buffer[1]);
buffer[1] = (byte)DL;
for (int i = 0; i < packetLength; i++)
{
BL = (byte)(CL);
BL = (byte)(DL + BL);
BL = (byte)(AL + BL);
BL = (byte)(BL + buffer[i + 4]);
buffer[i + 4] = BL;
DL = BL;
}
return new Packet(buffer);
}
private void HandlePacket(Packet p)
{
int curByte = 0;
int maxByte = p.Length;
while (curByte < maxByte)
{
int parsedLength = p.ReadShort((curByte + 2)) + 4;
byte[] parsed = new byte[parsedLength];
// read bytes from buffer to parsed packets.
for (int i = 0; i < parsed.Length; i++)
{
parsed[i] = p.GetBuffer()[i + curByte];
}
// decrypt those bytes as a new real deal parsed packet
Packet Parsed = Packet.Decrypt(new Packet(parsed), key);
curByte += parsedLength;
PacketIds PI = (PacketIds)Parsed.ReadShort();
switch (PI)
{
#region Login Recvs
case PacketIds.Recv_GameLogin:
HandleRecvGameLogin(Parsed);
break;
case PacketIds.Recv_ConnectWorld:
HandleRecvConnectWorld(Parsed);
break;
#endregion
#region World Recvs
case PacketIds.RecvUnitLogin:
HandleRecvUnitLogin(Parsed);
break;
case PacketIds.RecvCreateCharacter:
HandleRecvCreateCharacter(Parsed);
break;
case PacketIds.RecvChannelRequest:
HandleRecvChannelRequest(Parsed);
break;
#endregion
#region Channel Recvs
case PacketIds.RecvPing:
// needs check if too fast or so :I
break;
case PacketIds.RecvChannelLogin:
HandleRecvChannelLogin(Parsed);
break;
case PacketIds.RecvChannelChange:
HandleRecvChannelChange(Parsed);
break;
case PacketIds.RecvChannelSomething:
HandleRecvChannelStuff(Parsed);
break;
case PacketIds.RecvLoadMap:
HandleRecvMapRequest(Parsed);
break;
case PacketIds.RecvRequestSkillList:
HandleRecvSkillRequest(Parsed);
break;
case PacketIds.RecvRequestInventory:
HandleRecvInventoryRequest(Parsed);
break;
case PacketIds.RecvMoveItem:
HandleRecvMoveItem(Parsed);
break;
case PacketIds.RecvDropItem:
HandleRecvDropItem(Parsed);
break;
case PacketIds.RecvPickItem:
HandleRecvPickItem(Parsed);
break;
case PacketIds.RecvImbueItem:
HandleRecvImbueItem(Parsed);
break;
case PacketIds.RecvAcceptImbueItem:
HandleRecvAcceptImbueItem(Parsed);
break;
case PacketIds.RecvNpcTrade:
HandleRecvNpcTrade(Parsed);
break;
case PacketIds.RecvBuyItem:
HandleRecvBuyItem(Parsed);
break;
case PacketIds.RecvSomething:
Send(PacketManager.SendSomething());
break;
case PacketIds.RecvRequestFriendList:
Send(PacketManager.SendFriendList());
break;
case PacketIds.RecvRequestGuildList:
// AD GUILD LIST SEND
break;
case PacketIds.RecvSomething2:
Send(PacketManager.SendSomething2());
break;
case PacketIds.RecvStatRequest:
HandleRecvStatRequest(Parsed);
break;
case PacketIds.RecvSpawnRequest:
HandleRecvSpawnRequest(Parsed);
break;
case PacketIds.RecvSpawnPlayer: // request for other player to spawn
HandleRecvSpawnOtherPlayerRequest(Parsed);
break;
case PacketIds.RecvRequestStats:
HandleRecvRequestStats(Parsed);
break;
case PacketIds.RecvAddStat:
HandleRecvAddStat(Parsed);
break;
case PacketIds.RecvPlayerID:
HandleRecvSendPlayerIDRequest(Parsed);
break;
case PacketIds.RecvStartMoving:
HandleRecvStartMoving(Parsed);
break;
case PacketIds.RecvKeepMoving:
HandleRecvKeepMoving(Parsed);
break;
case PacketIds.RecvStopMoving:
HandleRecvStopMoving(Parsed);
break;
case PacketIds.RecvWalkToPortal:
HandleRecvWalkToPortal(Parsed);
break;
case PacketIds.RecvChatMessage:
HandleRecvChatMessage(Parsed);
break;
case PacketIds.RecvCommand:
HandleRecvCommand(Parsed);
break;
#endregion
default:
HandleRecvUnknownPacket(Parsed);
break; // needs logging system like "packet id received: " then whole buffer like in old one
}
}
}
private void HandlePacket(Packet p)
{
int curByte = 0;
int maxByte = p.Length;
while (curByte < maxByte)
{
int parsedLength = p.ReadShort((curByte + 2)) + 4;
byte[] parsed = new byte[parsedLength];
// read bytes from buffer to parsed packets.
for (int i = 0; i < parsed.Length; i++)
{
parsed[i] = p.GetBuffer()[i + curByte];
}
// decrypt those bytes as a new real deal parsed packet
Packet Parsed = Packet.Decrypt(new Packet(parsed), key);
curByte += parsedLength;
PacketIds PI = (PacketIds)Parsed.ReadShort();
switch (PI)
{
#region Login Recvs
case PacketIds.Recv_GameLogin:
HandleRecvGameLogin(Parsed);
break;
case PacketIds.Recv_ConnectWorld:
HandleRecvConnectWorld(Parsed);
break;
#endregion
#region World Recvs
case PacketIds.RecvUnitLogin:
HandleRecvUnitLogin(Parsed);
break;
case PacketIds.RecvCreateCharacter:
HandleRecvCreateCharacter(Parsed);
break;
case PacketIds.RecvChannelRequest:
HandleRecvChannelRequest(Parsed);
break;
#endregion
#region Channel Recvs
case PacketIds.RecvPing:
// needs check if too fast or so :I
break;
case PacketIds.RecvChannelLogin:
HandleRecvChannelLogin(Parsed);
break;
case PacketIds.RecvChannelChange:
HandleRecvChannelChange(Parsed);
break;
case PacketIds.RecvChannelSomething:
HandleRecvChannelStuff(Parsed);
break;
case PacketIds.RecvLoadMap:
HandleRecvMapRequest(Parsed);
break;
case PacketIds.RecvRequestSkillList:
HandleRecvSkillRequest(Parsed);
break;
case PacketIds.RecvRequestInventory:
HandleRecvInventoryRequest(Parsed);
break;
case PacketIds.RecvRequestOpenWarehouse:
HandleRecvOpenWarehouse(Parsed);
break;
case PacketIds.RecvMoveWarehouseItemToBag:
HandleRecvMoveWarehouseItemToBag(Parsed);
break;
case PacketIds.RecvAddItemToWarehouse:
HandleRecvAddItemToWarehouse(Parsed);
break;
case PacketIds.RecvMoveWarehouseItem:
HandleRecvMoveWarehouseItem(Parsed);
break;
case PacketIds.RecvMoveItem:
HandleRecvMoveItem(Parsed);
break;
case PacketIds.RecvDropItem:
HandleRecvDropItem(Parsed);
break;
case PacketIds.RecvPickItem:
HandleRecvPickItem(Parsed);
break;
case PacketIds.RecvStackItem:
HandleRecvStackItem(Parsed);
break;
case PacketIds.RecvImbueItem:
HandleRecvImbueItem(Parsed);
break;
case PacketIds.RecvAcceptImbueItem:
HandleRecvAcceptImbueItem(Parsed);
break;
case PacketIds.RecvNpcTrade:
HandleRecvNpcTrade(Parsed);
break;
case PacketIds.RecvBuyItem:
HandleRecvBuyItem(Parsed);
break;
case PacketIds.RecvSellItem:
HandleRecvSellItem(Parsed);
break;
case PacketIds.RecvUseItem:
HandleRecvUseItem(Parsed);
break;
case PacketIds.RecvUseRebirthPill:
HandleRecvUseRebirthPill(Parsed);
break;
case PacketIds.RecvTradePlayer:
HandleRecvTradePlayer(Parsed);
break;
case PacketIds.RecvTradePlayerCommands:
HandleRecvTradePlayerCommands(Parsed);
break;
case PacketIds.RecvTradeAddMoney:
HandleRecvTradeAddMoney(Parsed);
break;
case PacketIds.RecvTradeAddItem:
HandleRecvTradeAddItem(Parsed);
break;
case PacketIds.RecvBuyOtherPlayerShopItem:
HandleRecvBuyOtherPlayerShopItem(Parsed);
break;
case PacketIds.RecvShopTakeMoney:
HandleRecvShopTakeMoney(Parsed);
break;
case PacketIds.RecvOpenOtherPlayerShop:
HandleRecvOpenOtherPlayerShop(Parsed);
break;
case PacketIds.RecvShopStartSelling:
HandleRecvShopStartSelling(Parsed);
break;
case PacketIds.RecvAddItemToShop:
HandleRecvAddItemToShop(Parsed);
break;
case PacketIds.RecvMoveShopItem:
HandleRecvMoveShopItem(Parsed);
break;
case PacketIds.RecvMoveShopItemToBag:
HandleRecvMoveShopItemToBag(Parsed);
break;
case PacketIds.RecvChangeShopInfo:
HandleRecvChangeShopInfo(Parsed);
break;
case PacketIds.RecvLearnSkill:
HandleRecvLearnSkill(Parsed);
break;
case PacketIds.RecvQuickSlotRequest:
Send(PacketManager.SendQuickSlots(this.MyCharacter));
break;
case PacketIds.RecvUpdateQuickSlot:
HandleRecvUpdateQuickSlot(Parsed);
break;
case PacketIds.RecvSelectSkill:
HandleRecvSelectSkill(Parsed);
break;
case PacketIds.RecvRequestGuildList:
HandleRecvRequestGuild(Parsed);
break;
case PacketIds.RecvCreateGuild:
HandleRecvCreateGuild(Parsed);
break;
case PacketIds.RecvRequestGuildInformation:
HandleRecvRequestGuildInfo(Parsed);
break;
case PacketIds.RecvRequestGuildMemberStats:
HandleRecvRequestGuildMemberStats(Parsed);
break;
case PacketIds.RecvRequestChangeGuildMemberRank:
HandleRecvRequestChangeGuildMemberRank(Parsed);
break;
case PacketIds.RecvRequestChangeGuildMemberTitle:
HandleRecvRequestChangeGuildMemberTitle(Parsed);
break;
case PacketIds.RecvRequestChangeGuildNotice:
HandleRecvRequestChangeGuildNotice(Parsed);
break;
case PacketIds.RecvRequestJoinGuild:
HandleRecvRequestJoinGuild(Parsed);
break;
case PacketIds.RecvRequestCloseGuild:
HandleRecvRequestCloseGuild(Parsed);
break;
case PacketIds.RecvRequestLeaveGuild:
HandleRecvRequestLeaveGuild(Parsed);
break;
case PacketIds.RecvGuildChat:
HandleRecvGuildChat(Parsed);
break;
case PacketIds.RecvSomething2:
Send(PacketManager.SendSomething2());
break;
case PacketIds.RecvStatRequest:
HandleRecvStatRequest(Parsed);
break;
case PacketIds.RecvSpawnRequest:
HandleRecvSpawnRequest(Parsed);
break;
case PacketIds.RecvSpawnPlayer: // request for other player to spawn
HandleRecvSpawnOtherPlayerRequest(Parsed);
break;
case PacketIds.RecvRequestStats:
HandleRecvRequestStats(Parsed);
break;
case PacketIds.RecvAddStat:
HandleRecvAddStat(Parsed);
break;
case PacketIds.RecvPlayerPetReques:
HandleRecvSendPlayerPetRequest(Parsed);
break;
case PacketIds.RecvStartMoving:
HandleRecvStartMoving(Parsed);
break;
case PacketIds.RecvKeepMoving:
HandleRecvKeepMoving(Parsed);
break;
case PacketIds.RecvStopMoving:
HandleRecvStopMoving(Parsed);
break;
case PacketIds.RecvWalkToPortal:
HandleRecvWalkToPortal(Parsed);
break;
case PacketIds.RecvRequestFriendList:
HandleRecvRequestFriendList(Parsed);
break;
case PacketIds.RecvAddFriend:
HandleRecvAddFriend(Parsed);
break;
case PacketIds.RecvChatMessage:
HandleRecvChatMessage(Parsed);
break;
case PacketIds.RecvCommand:
HandleRecvCommand(Parsed);
break;
case PacketIds.RecvMonsterSpawnRequest:
HandleRecvMonsterSpawn(Parsed);
break;
case PacketIds.RecvUseTeleporter:
HandleRecvUseTeleporter(Parsed);
break;
case PacketIds.RecvAttack1:
HandleRecvAttack1(Parsed);
break;
case PacketIds.RecvAttack2:
HandleRecvAttack2(Parsed);
break;
case PacketIds.RecvCast1:
HandleRecvCast1(Parsed);
break;
case PacketIds.RecvCast2:
HandleRecvCast2(Parsed);
break;
case PacketIds.RecvCombineItems:
HandleRecvCombineItems(Parsed);
break;
case PacketIds.RecvPartyRequest:
HandleRecvPartyRequest(Parsed);
break;
case PacketIds.RecvLeaveParty:
HandleRecvLeaveParty(Parsed);
break;
case PacketIds.RecvChangePartyLeader:
HandleRecvChangePartyLeader(Parsed);
break;
case PacketIds.RecvAddToPartyRequest:
HandleRecvAddToParty(Parsed);
break;
case PacketIds.RecvPetStartMoving:
HandleRecvPetStartMoving(Parsed);
break;
case PacketIds.RecvPetKeepMoving:
HandleRecvPetKeepMoving(Parsed);
break;
case PacketIds.RecvPetStopMoving:
HandleRecvPetStopMoving(Parsed);
break;
case PacketIds.RecvKillPet:
HandleRecvKillPet(Parsed);
break;
case PacketIds.RecvBaitPet:
HandleRecvBaitPet(Parsed);
break;
case PacketIds.RecvRequestPetStats:
HandleRecvRequestPetStats(Parsed);
break;
case PacketIds.RecvRequestSpawnOtherPet:
HandleRecvSpawnOtherPet(Parsed);
break;
case PacketIds.RecvResurrectPet:
HandleRecvResurrectPet(Parsed);
break;
case PacketIds.RecvRenamePet:
HandleRecvRenamePet(Parsed);
break;
case PacketIds.RecvSendPetToMe:
HandleRecvSendPetToMe(Parsed);
break;
case PacketIds.RecvTradePet:
HandleRecvTradePet(Parsed);
break;
case PacketIds.RecvTradePetAmount:
HandleRecvTradePetAmount(Parsed);
break;
case PacketIds.RecvSealPet:
HandleRecvSealPet(Parsed);
break;
case PacketIds.RecvUnSealPet:
HandleRecvUnSealPet(Parsed);
break;
case PacketIds.RecvQuestListRequest:
List<QuestObject> objects = new List<QuestObject>();
objects.Add(new QuestObject(QuestObjectType.Hunt, 0, 5, 0));
objects.Add(new QuestObject(QuestObjectType.Hunt, 1, 5, 0));
objects.Add(new QuestObject(QuestObjectType.Hunt, 2, 5, 0));
objects.Add(new QuestObject(QuestObjectType.Join_Party, 0, 1, 1));
objects.Add(new QuestObject(QuestObjectType.Level_Up, 0, 5, 1));
objects.Add(new QuestObject(QuestObjectType.Obtain_Money, 0, 1000, 2));
List<QuestReward> rewards = new List<QuestReward>();
rewards.Add(new QuestReward(0, 23273, 10, QuestRewardType.PlusItem));
rewards.Add(new QuestReward(1, 20041, 10, QuestRewardType.Item));
rewards.Add(new QuestReward(2, 0, 1000, QuestRewardType.Money));
rewards.Add(new QuestReward(2, 0, 1, QuestRewardType.Fame));
Quest quest = new Quest
{
Name = "Fate and Meeting!",
ID = 1009,
Objectives = objects,
Rewards = rewards,
CurrentObjective = 2,
State = QuestState.Started
};
Send(PacketManager.SendQuestList(quest));
break;
case PacketIds.RecvPetRequestItems:
// this should send the equips and items in bag but without having anythign on it wont send anything
break;
case PacketIds.RecvRequestDeath:
HandleRecvRequestDeath(Parsed);
break;
#endregion
default:
HandleRecvUnknownPacket(Parsed);
break; // needs logging system like "packet id received: " then whole buffer like in old one
}
}
}
