pyCraft/PacketManager.py

import socket
import struct
import sys

def sendLoginRequest(socket, username):
    socket.send("\x01")
    socket.send(struct.pack('!i', 29))
    socket.send(struct.pack('!h', username.__len__()))
    socket.send(username.encode('utf-16be','strict'))
    socket.send(struct.pack('!h', "hello".__len__()))
    socket.send("hello".encode('utf-16be','strict'))
    socket.send(struct.pack('!i', 0))
    socket.send(struct.pack('!i', 1))
    socket.send(struct.pack('!b', 0))
    socket.send(struct.pack('!B', 1))
    socket.send(struct.pack('!B', 0))

def handle00(socket):
    KAid = struct.unpack('!i', socket.recv(4))[0]
    print "Sending keep alive response " + str(KAid)
    socket.send("\x00" + struct.pack('!i', KAid))
    
def handle01(socket):
    Eid = struct.unpack('!i', socket.recv(4))[0]
    length = struct.unpack('!h', socket.recv(2))[0] * 2
    socket.recv(length)
    length = struct.unpack('!h', socket.recv(2))[0] * 2 
    world = socket.recv(length).decode('utf-16be')
    mode = struct.unpack('!i', socket.recv(4))[0]
    dimension = struct.unpack('!i', socket.recv(4))[0]
    difficulty = struct.unpack('!b', socket.recv(1))[0]
    socket.recv(1)
    maxplayers = struct.unpack('!B', socket.recv(1))[0]
    toReturn = {'EntityID' : Eid,
                'World' : world,
                'Mode' : mode,
                'Dimension' : dimension,
                'Difficulty' : difficulty,
                'MaxPlayers' : maxplayers
                }
    print toReturn
    return toReturn

def handle02(socket):
    length = struct.unpack('!h', socket.recv(2))[0] * 2
    message = socket.recv(length)
    message = message.decode('utf-16be', 'strict')
    return message

def handle03(socket):
    length = struct.unpack('!h', socket.recv(2))[0] * 2
    message = socket.recv(length)
    message = message.decode('utf-16be','strict')
    print message
    return message

def handle04(socket):
    time = struct.unpack('!l', socket.recv(4))[0]
    return time

def handle05(socket):
    EntityID = struct.unpack('!i', socket.recv(4))[0]
    Slot = struct.unpack('!h', socket.recv(2))[0]
    ItemID = struct.unpack('!h', socket.recv(2))[0]
    Damage = struct.unpack('!h', socket.recv(2))[0]
    return {'EntityID' : EntityID,
            'Slot' : Slot,
            'ItemID' : ItemID,
            'Damage' : Damage
            }

def handle06(socket):
    x = struct.unpack('!i', socket.recv(4))[0]
    y = struct.unpack('!i', socket.recv(4))[0]
    z = struct.unpack('!i', socket.recv(4))[0]
    return {'x' : x,
            'y' : y,
            'z' : z
            }
    
def handle07(socket):
    userID = struct.unpack('!i', socket.recv(4))[0]
    targetID = struct.unpack('!i', socket.recv(4))[0]
    mButton = struct.unpack('?', socket.recv(1))[0]
    return {'userID' : userID,
            'targetID' : targetID,
            'mButton' : mButton
            }
    
def handle08(socket):
    health = struct.unpack('!h', socket.recv(2))[0]
    food = struct.unpack('!h', socket.recv(2))[0]
    saturation = struct.unpack('!f', socket.recv(4))[0]
    return {'health' : health,
            'food' : food,
            'saturation' : saturation
            }
    
def handle09(socket):
    dimension = struct.unpack('!i', socket.recv(4))[0]
    difficulty = struct.unpack('!b', socket.recv(1))[0]
    mode = struct.unpack('!b', socket.recv(1))[0]
    height = struct.unpack('!h', socket.recv(2))[0]
    length = struct.unpack('!h', socket.recv(2))[0] * 2 
    world = socket.recv(length).decode('utf-16be')
    return {'Dimension' : dimension,
            'Difficulty' : difficulty,
            'Mode' : mode,
            'Height' : height,
            'World' : world
            }
    
def handle0D(socket):
    x = struct.unpack('!d', socket.recv(8))[0]
    stance = struct.unpack('!d', socket.recv(8))[0]
    y = struct.unpack('!d', socket.recv(8))[0]
    z = struct.unpack('!d', socket.recv(8))[0]
    yaw = struct.unpack('!f', socket.recv(4))[0]
    pitch = struct.unpack('!f', socket.recv(4))[0]
    onGround = struct.unpack('?', socket.recv(1))[0]
    return {'x' : x,
            'stance' : stance,
            'y' : y,
            'z' : z,
            'yaw' : yaw,
            'pitch' : pitch,
            'onGround' : onGround
            }
    
def handle11(socket):
    EntityID = struct.unpack('!i', socket.recv(4))[0]
    socket.recv(1) #Unused
    x = struct.unpack('!i', socket.recv(4))[0]
    y = struct.unpack('!b', socket.recv(1))[0]
    z = struct.unpack('!i', socket.recv(4))[0]
    return {'EntityID' : EntityID,
            'x' : x,
            'y' : y,
            'z' : z
            }
    
def handle12(socket):
    EntityID = struct.unpack('!i', socket.recv(4))[0]
    Animation = struct.unpack('!b', socket.recv(1))[0]
    return {'EntityID' : EntityID,
            'AnimationID' : Animation
            }
    
def handle14(socket):
    EntityID = struct.unpack('!i', socket.recv(4))[0]
    length = struct.unpack('!h', socket.recv(2))[0] * 2
    PlayerName = socket.recv(length).decode('utf-16be')
    x = struct.unpack('!i', socket.recv(4))[0]
    y = struct.unpack('!i', socket.recv(4))[0]
    z = struct.unpack('!i', socket.recv(4))[0]
    yaw = struct.unpack('!f', socket.recv(4))[0]
    pitch = struct.unpack('!f', socket.recv(4))[0]
    curItem = struct.unpack('!h', socket.recv(2))[0]
    toReturn = {'EntityID' : EntityID,
                'Player Name' : PlayerName,
                'x' : x,
                'y' : y,
                'z' : z,
                'yaw' : yaw,
                'pitch' : pitch,
                'curItem' : curItem
                }
    print toReturn
    return toReturn

def handleFF(socket, response):
    response = socket.recv(2)
    length = struct.unpack('!h', response)[0] * 2
    response = socket.recv(length)
    response = response.decode("utf-16be", 'strict')
    print response
    return response