/
Packet.cs
1071 lines (1052 loc) · 29.4 KB
/
Packet.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
namespace MinecraftLibrary
{
public abstract class Packet
{
public abstract void write(Stream str);
public abstract void read(Stream str);
protected byte[] reverse(byte[] data)
{
byte[] res = new byte[data.Length];
for (int i = 0; i < data.Length; i++)
{
res[i]=data[data.Length-1-i];
}
return res;
}
protected string readString(Stream str)
{
int len = readShort(str);
byte[] tmp=new byte[len*2];
str.Read(tmp, 0, len*2);
return UnicodeEncoding.BigEndianUnicode.GetString(tmp, 0, tmp.Length);
}
protected void writeString(Stream str, string data)
{
writeShort(str,(short)data.Length);
byte[] name = ASCIIEncoding.BigEndianUnicode.GetBytes(data);
str.Write(name, 0, name.Length);
}
protected short readShort(Stream str)
{
byte[] tmp=new byte[2];
str.Read(tmp, 0, 2);
return BitConverter.ToInt16(reverse(tmp), 0);
}
protected void writeShort(Stream str,short data)
{
byte[] tmp=reverse(BitConverter.GetBytes(data));
str.Write(tmp, 0, tmp.Length);
}
protected int readInt(Stream str)
{
byte[] tmp = new byte[4];
str.Read(tmp, 0, 4);
tmp = reverse(tmp);
return BitConverter.ToInt32(tmp, 0);
}
protected void writeInt(Stream str,int data)
{
byte[] tmp= reverse(BitConverter.GetBytes(data));
str.Write(tmp, 0, tmp.Length);
}
protected long readLong(Stream str)
{
byte[] tmp = new byte[8];
str.Read(tmp, 0, 8);
return BitConverter.ToInt64(reverse(tmp), 0);
}
protected void writeLong(Stream str, long data)
{
byte[] tmp = reverse(BitConverter.GetBytes(data));
str.Write(tmp, 0, tmp.Length);
}
protected float readFloat(Stream str)
{
byte[] tmp = new byte[4];
str.Read(tmp, 0, 4);
return BitConverter.ToSingle(reverse(tmp), 0);
}
protected void writeFloat(Stream str, float data)
{
byte[] tmp = reverse(BitConverter.GetBytes(data));
str.Write(tmp, 0, tmp.Length);
}
protected double readDouble(Stream str)
{
byte[] tmp = new byte[8];
str.Read(tmp, 0, 8);
return BitConverter.ToDouble (reverse(tmp), 0);
}
protected void writeDouble(Stream str, double data)
{
byte[] tmp = reverse(BitConverter.GetBytes(data));
str.Write(tmp, 0, tmp.Length);
}
protected bool readBool(Stream str)
{
byte[] tmp = new byte[1];
str.Read(tmp, 0, 1);
return BitConverter.ToBoolean(tmp, 0);
}
protected void writeBool(Stream str, bool data)
{
byte[] tmp = reverse(BitConverter.GetBytes(data));
str.Write(tmp, 0, tmp.Length);
}
protected sbyte readSByte(Stream str)
{
byte[] tmp=new byte[1];
str.Read(tmp, 0,1);
return (sbyte)tmp[0];
}
protected byte readByte (Stream str)
{
byte[] tmp=new byte[1];
str.Read(tmp, 0,1);
return (byte)tmp[0];
}
class Packet_KeepAlive : Packet
{
public int ID { get; set; }
public override byte[] write()
{
writeInt(ID), ref data);
return data.ToArray();
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x00)
{
data.Dequeue();
ID = readInt(fromQueue(4, ref data), 0);
return true;
}
else { return false; }
}
}
class Packet_Login : Packet
{
public int protocol;
public string username;
public int eID;
public long seed;
public int mode;
public SByte dim;
public SByte difficulty;
public byte worldHeight;
public byte maxPlayers;
public override byte[] write()
{
Queue<byte> data = new Queue<byte>();
data.Enqueue(0x01);
toQueue(writeInt(protocol), ref data);
toQueue(writeString(username), ref data);
toQueue(writeLong(0), ref data);
data.Enqueue(0x00);//int
data.Enqueue(0x00);//int
data.Enqueue(0x00);//int
data.Enqueue(0x00);//int
data.Enqueue(0x00);//byte
data.Enqueue(0x00);//byte
data.Enqueue(0x00);//ubyte
data.Enqueue(0x00);//ubyte
return data.ToArray();
}
public override void read(Stream str)
{
readInt(str);
readString(str);
readLong(str);
readInt(str);
readSByte(str);
readSByte(str);
readByte(str);
readByte(str);
}
}
class Packet_Handshake : Packet
{
public string dataString { get; set; }
public override byte[] write()
{
Queue<byte> data = new Queue<byte>();
data.Enqueue(0x02);
byte[] strData;
strData = writeString(dataString);
for (int I = 0; I < strData.Length; I++)
{
data.Enqueue(strData[I]);
}
return data.ToArray();
}
public override void read(Stream str)
{
dataString=readString(str);
}
}
class Packet_Chat : Packet
{
public string dataString { get; set; }
public override byte[] write()
{
Queue<byte> data = new Queue<byte>();
data.Enqueue(0x03);
byte[] strData;
strData = writeString(dataString);
for (int I = 0; I < strData.Length; I++)
{
data.Enqueue(strData[I]);
}
return data.ToArray();
}
public override void read(Stream str)
{
dataString=readString(str);
}
}
class Packet_Time : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override void read(Stream str)
{
time=readLong(str);
}//:P Im going back to my pc to write writing code. :P I suppose ill let you finish it :P awwwww....
//gotta go for a bath -.-
}
class Packet_EntityEquipment : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x05)
{
fromQueue(11, ref data);
return true;
}
else { return false; }
}
}
class Packet_SpawnPosition : Packet
{
public int x;
public int y;
public int z;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x06)
{
if (data.Count < 13) return false;
data.Dequeue();
x = readInt(fromQueue(4, ref data), 0);
y = readInt(fromQueue(4, ref data), 0);
z = readInt(fromQueue(4, ref data), 0);
return true;
}
else { return false; }
}
}
class Packet_UpdateHealth: Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x08)
{
fromQueue(9, ref data);
return true;
}
else { return false; }
}
}
class Packet_Respawn : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x09)
{
fromQueue(14, ref data);
return true;
}
else { return false; }
}
}
class Packet_PlayerPosAndLook : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x0D)
{
fromQueue(42, ref data);
return true;
}
else { return false; }
}
}
class Packet_UseBed : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x11)
{
fromQueue(15, ref data);
return true;
}
else { return false; }
}
}
class Packet_Animation : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x12)
{
fromQueue(6, ref data);
return true;
}
else { return false; }
}
}
class Packet_NamedEntitySpawn : Packet
{
public int eID;
public string name;
public int x;
public int y;
public int z;
public SByte rotation;
public SByte pitch;
public short item;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x14)
{
if (data.Count < 23) return false;
data.Dequeue();
eID = readInt(fromQueue(4, ref data),0);
string tmp = readString(data.ToArray());
if (tmp != "")
{
fromQueue((tmp.Length + 1) * 2, ref data);
name = tmp;
}
x = readInt(fromQueue(4, ref data), 0);
y = readInt(fromQueue(4, ref data), 0);
z = readInt(fromQueue(4, ref data), 0);
rotation = (SByte)data.Dequeue();
pitch = (SByte)data.Dequeue();
item = readShort(fromQueue(2, ref data), 0);
return true;
}
else { return false; }
}
}
class Packet_PickupSpawn : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x15)
{
fromQueue(25, ref data);
return true;
}
else { return false; }
}
}
class Packet_CollectItem : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x16)
{
fromQueue(9, ref data);
return true;
}
else { return false; }
}
}
class Packet_AddObjVehicle : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x17)
{
fromQueue(22, ref data);
return true;
}
else { return false; }
}
}
class Packet_MobSpawn : Packet
{
public int eID;
public byte type;
public int x;
public int y;
public int z;
public byte yaw;
public byte pitch;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x18)
{
if (!data.Contains(0x7f)) return false;
if (data.Count < 20) return false;
data.Dequeue();
eID = readInt(fromQueue(4, ref data), 0);
type = data.Dequeue();
x = readInt(fromQueue(4, ref data), 0);
y = readInt(fromQueue(4, ref data), 0);
z = readInt(fromQueue(4, ref data), 0);
yaw = data.Dequeue();
pitch=data.Dequeue();
byte xx = data.Dequeue();
while (xx != 127)
{
int index = xx & 0x1F ;//# Lower 5 bits
int ty = xx >> 5 ;//# Upper 3 bits
//Console.WriteLine(xx + "_" + index + "_" + ty);
if (ty == 0) data.Dequeue();
if (ty == 1) fromQueue(2,ref data);
if (ty == 2) fromQueue(4,ref data);
if (ty == 3) fromQueue(4,ref data);
if (ty == 4)
{
string tmp= readString(data.ToArray());
for (int I = 0; I < (tmp.Length + 1) * 2; I++)
{
data.Dequeue();
}
}
xx = data.Dequeue();
}
return true;
}
else { return false; }
}
}
class Packet_ExpOrb : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x1A)
{
fromQueue(19, ref data);
return true;
}
else { return false; }
}
}
class Packet_EntityVel : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x1C)
{
fromQueue(11, ref data);
return true;
}
else { return false; }
}
}
class Packet_DestroyEntity : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x1D)
{
fromQueue(5, ref data);
return true;
}
else { return false; }
}
}
class Packet_Entity : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x1E)
{
fromQueue(5, ref data);
return true;
}
else { return false; }
}
}
class Packet_EntityRelativeMove : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x1F)
{
fromQueue(8, ref data);
return true;
}
else { return false; }
}
}
class Packet_EntityPainting : Packet
{
public string name;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x19)
{
if (data.Count < 32) return false;
data.Dequeue();
fromQueue(4, ref data);
string tmp = readString(data.ToArray());
for (int I = 0; I < (tmp.Length + 1) * 2; I++)
{
data.Dequeue();
}
name = tmp;
fromQueue(16, ref data);
return true;
}
else { return false; }
}
}
class Packet_EntityLook : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x20)
{
fromQueue(7, ref data);
return true;
}
else { return false; }
}
}
class Packet_EntityLookAndRelativeMove : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x21)
{
fromQueue(10, ref data);
return true;
}
else { return false; }
}
}
class Packet_EntityTeleport : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x22)
{
fromQueue(19, ref data);
return true;
}
else { return false; }
}
}
class Packet_EntityStatus : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x26)
{
fromQueue(6, ref data);
return true;
}
else { return false; }
}
}
class Packet_AttachEntity : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x27)
{
fromQueue(9, ref data);
return true;
}
else { return false; }
}
}
class Packet_EntityEffect : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x29)
{
fromQueue(9, ref data);
return true;
}
else { return false; }
}
}
class Packet_RemoveEntityEffect : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x2A)
{
fromQueue(6, ref data);
return true;
}
else { return false; }
}
}
class Packet_PreChunk : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x32)
{
fromQueue(10, ref data);
return true;
}
else { return false; }
}
}
class Packet_MapChunk : Packet
{
public int x;
public short y;
public int z;
public SByte size_x;
public SByte size_y;
public SByte size_z;
public int size;
public byte[] data;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x33)
{
data.Dequeue();
x = readInt(fromQueue(4, ref data), 0);
y = readShort(fromQueue(2, ref data), 0);
z = readInt(fromQueue(4, ref data), 0);
size_x = (SByte)data.Dequeue();
size_y = (SByte)data.Dequeue();
size_z = (SByte)data.Dequeue();
size = readInt(fromQueue(4, ref data), 0);
if (data.Count < size) return false;
this.data = fromQueue(size, ref data);
return true;
}
else { return false; }
}
}
class Packet_MultiBlockChange : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x34)
{
fromQueue(9, ref data);
int cnt = readShort(fromQueue(2, ref data),0);
fromQueue(cnt * 4, ref data);
return true;
}
else { return false; }
}
}
class Packet_BlockChange : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x35)
{
fromQueue(12, ref data);
return true;
}
else { return false; }
}
}
class Packet_BlockAction : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x36)
{
fromQueue(13, ref data);
return true;
}
else { return false; }
}
}
class Packet_SoundEffect : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x3D)
{
fromQueue(18, ref data);
return true;
}
else { return false; }
}
}
class Packet_NewOrInvalidState : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x46)
{
fromQueue(3, ref data);
return true;
}
else { return false; }
}
}
class Packet_Thunder : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x47)
{
fromQueue(18, ref data);
return true;
}
else { return false; }
}
}
class Packet_CloseWnd : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x65)
{
fromQueue(2, ref data);
return true;
}
else { return false; }
}
}
class Packet_SetSlot : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x67)
{
fromQueue(6, ref data);
return true;
}
else { return false; }
}
}
class Packet_WndItems : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x68)
{
fromQueue(94, ref data);
return true;
}
else { return false; }
}
}
class Packet_UpdateWndProp : Packet
{
public long time;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x69)
{
fromQueue(6, ref data);
return true;
}
else { return false; }
}
}
class Packet_UpdateSign : Packet
{
public int x;
public short y;
public int z;
public string text1;
public string text2;
public string text3;
public string text4;
public override byte[] write()
{
return new byte[] { };
}
public override bool read(Queue<byte> data)
{
if (data.Peek() == 0x82)
{
//todo Messy! Cleanup!
data.Dequeue();
x = readInt(fromQueue(4, ref data), 0);
y = readShort(fromQueue(2, ref data), 0);
z = readInt(fromQueue(4, ref data), 0);
string tmp;
tmp = readString(data.ToArray());
for (int I = 0; I < (tmp.Length + 1) * 2; I++)
{
data.Dequeue();
}
text1 = tmp;
tmp = readString(data.ToArray());
for (int I = 0; I < (tmp.Length + 1) * 2; I++)
{
data.Dequeue();
}
text2 = tmp;
tmp = readString(data.ToArray());
for (int I = 0; I < (tmp.Length + 1) * 2; I++)
{
data.Dequeue();
}
text3 = tmp;
tmp = readString(data.ToArray());
for (int I = 0; I < (tmp.Length + 1) * 2; I++)