class NetworkClient():
def __init__(self):
self.timeout = 3000
self.c_manager = QueuedConnectionManager()
self.c_reader = QueuedConnectionReader(self.c_manager, 0)
self.c_writer = ConnectionWriter(self.c_manager, 0)
def connect(self, ip, port):
self.connection = self.c_manager.openTCPClientConnection(
ip, port, self.timeout)
if self.connection:
self.c_reader.addConnection(self.connection)
return (True)
return (False)
def disconnect(self):
if self.connection:
self.c_manager.closeConnection(self.connection)
else:
print("Trying to disconnect while not connected!")
def send_data(self):
data = PyDatagram()
data.addString("Hello, world!")
self.c_writer.send(data, self.connection)
class Client(object):
def __init__(self, host="localhost", port=5001, name="client"):
self.name = name
self.cManager = QueuedConnectionManager()
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.readerCallbacks = []
taskMgr = Task.TaskManager()
# how long until we give up trying to reach the server?
timeout_in_miliseconds = 3000 # 3 seconds
self.myConnection = self.cManager.openTCPClientConnection(
host, port, timeout_in_miliseconds)
if not self.myConnection:
print("{}: Failed to connect to server!".format(self.name))
return
self.cReader.addConnection(
self.myConnection) # receive messages from server
taskMgr.add(self.tskReaderPolling, "Poll the connection reader", -40)
print("{}: Successfully connected to server {} at {}!".format(
self.name, port, host))
def tskReaderPolling(self, taskdata):
# reader callback
if not self.cReader.dataAvailable():
return Task.cont
# catch the incoming data in this instance
# Check the return value; if we were threaded, someone else could have
# snagged this data before we did
datagram = NetDatagram()
if not self.cReader.getData(datagram):
return Task.cont
for callback in self.readerCallbacks:
callback(datagram)
return Task.cont
def addReaderCallback(self, callbackFunction):
self.readerCallbacks.append(callbackFunction)
def ProcessReaderData(self, data):
# TODO(vicdie): overwrite in derived classes
pass
def Close(self):
# close connection if it exists
if self.myConnection:
self.cManager.closeConnection(self.myConnection)
class Network():
def __init__(self):
self.c_manager = QueuedConnectionManager()
self.c_listener = QueuedConnectionListener(self.c_manager, 0)
self.c_reader = QueuedConnectionReader(self.c_manager, 0)
self.c_writer = ConnectionWriter(self.c_manager,0)
self.active_conns=[]
self.port_address=9099 #No-other TCP/IP services are using this port
self.backlog=1000 #If we ignore 1,000 connection attempts, something is wrong!
#tcp_socket = c_manager.openTCPServerRendezvous(port_address,backlog)
#self.tcp_socket = self.c_manager.openTCPServerRendezvous("0.0.0.0", 9099, 1000)
#self.c_listener.addConnection(self.tcp_socket)
def tsk_listener_pol(self, taskdata):
if self.c_listener.newConnectionAvailable():
rendezvous = PointerToConnection()
netAddress = NetAddress()
newConnection = PointerToConnection()
if self.c_listener.getNewConnection(rendezvous,netAddress,newConnection):
print("Connected: "+str(netAddress))
newConnection = newConnection.p()
self.active_conns.append(newConnection) # Remember connection
self.c_reader.addConnection(newConnection) # Begin reading connection
return Task.cont
def tsk_reader_pol(self, taskdata):
if self.c_reader.dataAvailable():
datagram=NetDatagram() # catch the incoming data in this instance
# Check the return value; if we were threaded, someone else could have
# snagged this data before we did
if self.c_reader.getData(datagram):
self.data_process(datagram)
return Task.cont
def data_process(self, datagram):
it = PyDatagramIterator(datagram)
message = it.getString()
print("Processed: "+message+" from: "+str(datagram.getAddress()))
def listen(self):
print("Now listening on all addresses on port 9099")
self.tcp_socket = self.c_manager.openTCPServerRendezvous("0.0.0.0", 9099, 1000)
self.c_listener.addConnection(self.tcp_socket)
taskMgr.add(self.tsk_listener_pol, "Poll connection listener", -39)
taskMgr.add(self.tsk_reader_pol, "Pol the connection reader", -40)
def unlisten(self):
print("Stopping listen")
self.c_manager.closeConnection(self.tcp_socket)
class Client(ShowBase):
def __init__(self):
ShowBase.__init__(self, windowType='none')
self.port = 5555
self.addr = "127.0.0.1"
self.timeout = 3000
self.connect_to_server()
def connect_to_server(self) -> None:
self.manager = QueuedConnectionManager()
self.reader = QueuedConnectionReader(self.manager, 0)
self.writer = ConnectionWriter(self.manager, 0)
try:
self.connection = self.manager.openTCPClientConnection(
self.addr, self.port, self.timeout)
# Listen for data sent from server
taskMgr.add(self.handle_server_connection,
"Poll the connection listener", -40)
print("Connected to server...")
self.reader.addConnection(self.connection)
taskMgr.add(self.send_server_message, "Send msg", -41)
except:
print("Server not connected...")
def handle_server_connection(self, task_data: Task) -> Task:
if self.reader.dataAvailable():
datagram = PyDatagram()
if self.reader.getData(datagram):
self.handle_server_message(datagram)
return Task.cont
def send_server_message(self, task_data: Task) -> None:
new_datagram = PyDatagram()
name = input("What's your name? ")
new_datagram.addString(name)
self.writer.send(new_datagram, self.connection)
def handle_server_message(self, message: str) -> None:
iterator = PyDatagramIterator(message)
print(iterator.getString())
class Server:
def __init__(self):
self.port = 5555
self.addr = "127.0.0.1"
self.backlog = 7
self.active_connections = dict()
self.start = False
self.connect()
def connect(self) -> None:
# Handle connections and terminations
self.manager = QueuedConnectionManager()
# Wait for clients connection requests
self.listener = QueuedConnectionListener(self.manager, 0)
# Buffers incoming data from active connection
self.reader = QueuedConnectionReader(self.manager, 0)
# Transmit PyDatagrams to active connection
self.writer = ConnectionWriter(self.manager, 0)
# Open TCP Rendezvous to accept client connections with a limit
self.socket = self.manager.openTCPServerRendezvous(
self.port, self.backlog)
self.listener.addConnection(self.socket)
print("Server listening on port %s...." % str(self.port))
# Listen for mew incoming connections
taskMgr.add(self.handle_incoming_connections,
"Poll the connection listener", -39)
# Listen for new datagrams
taskMgr.add(self.handle_connection_data,
"Poll the connection reader", -40)
# Listen for dropped connections
taskMgr.add(self.handle_dropped_connections,
"Poll the dropped connection listener", -41)
# See if game can be started
taskMgr.add(self.start_game, "Start Game", -42)
def start_game(self, task_data: Task) -> Task:
if len(self.active_connections) == self.backlog:
self.start = True
return Task.cont
def handle_incoming_connections(self, task_data: Task) -> Task:
if self.listener.newConnectionAvailable():
rendezvous = PointerToConnection()
net_addr = NetAddress()
new_connection = PointerToConnection()
if self.listener.getNewConnection(rendezvous, net_addr, new_connection):
new_connection = new_connection.p()
# Keep track of our active connections
self.active_connections[str(
new_connection.this)] = new_connection
# Start reading the new connection
self.reader.addConnection(new_connection)
print("%s just connected" % str(new_connection))
return Task.cont
def handle_connection_data(self, task_data: Task) -> Task:
if self.reader.dataAvailable():
# Catch the incoming data
datagram = NetDatagram()
if self.reader.getData(datagram):
name = self.handle_client_message(datagram)
broadcast = f"Everyone, welcome {name} to the game!"
self.broadcast_message(broadcast)
return Task.cont
def handle_dropped_connections(self, task_data: Task) -> Task:
if self.manager.resetConnectionAvailable():
connection_pointer = PointerToConnection()
self.manager.getResetConnection(connection_pointer)
lost_connection = connection_pointer.p()
print("% s disconnected from server" % str(lost_connection))
del self.active_connections[str(lost_connection.this)]
self.manager.closeConnection(lost_connection)
return Task.cont
def handle_client_message(self, message: str) -> str:
iterator = PyDatagramIterator(message)
return iterator.getString()
def get_connections_count(self) -> int:
return len(self.active_connections)
def send_personal_message(self, message: str, client: PointerToConnection) -> None:
datagram = self.create_new_datagram(message)
self.writer.send(datagram, client)
def broadcast_message(self, message: str) -> None:
datagram = self.create_new_datagram(message)
for client in self.active_connections:
self.writer.send(datagram, self.active_connections[client])
def create_new_datagram(self, message: str) -> PyDatagram:
new_datagram = PyDatagram()
new_datagram.addString(message)
return new_datagram
def terminate_all_clients(self) -> None:
for client in self.active_connections:
self.reader.removeConnection(client)
self.active_connections = list()
def terminate_specific_client(self, client: PointerToConnection) -> None:
self.reader.removeConnection(client)
del self.active_connections[str(client)]
class Login_Page(DirectObject):
def __init__(self):
base.setBackgroundColor( 254, 254, 254 )
# sets the background color to black because the
# default grey color bugs me for some reason
self.loginScreen()
# draws the login screen
self.usernameBox['focus'] = 1
# sets the cursor to the username field by default
self.accept('tab', self.cycleLoginBox)
# enables the user to cycle through the text fields with the tab key
# this is a standard feature on most login forms
self.accept('enter', self.attemptLogin)
# submits the login form, or you can just click the Login button
def loginScreen(self):
# creates a basic login screen that asks for a username/password
boxloc = Vec3(0.0, 0.0, 0.0)
# all items in the login form will have a position relative to this
# this makes it easier to shift the entire form around once we have
# some graphics to display with it without having to change the
# positioning of every form element
# p is the position of the form element relative to the boxloc
# coordinates set above it is changed for every form element
p = boxloc + Vec3(-0.5, 0, 0.0)
self.textObject = OnscreenText(text = "Username:"******"Username: "******"" , pos = p, scale=.05, initialText="", numLines = 1)
# Username textbox where you type in your username
p = boxloc + Vec3(-0.5, -0.1, 0.0)
self.textObject = OnscreenText(text = "Password:"******"Password: "******"" , pos = p, scale=.05, initialText="", numLines = 1, obscured = 1)
# Password textbox where you type in your password
# Note - obscured = 1 denotes that all text entered will be replaced
# with a * like a standard password box
p = boxloc + Vec3(0, 0, -0.2)
self.loginButton = DirectButton(text = ("Login", "Login", "Login", "Login"), pos = p, scale = 0.075, command=self.attemptLogin)
# The 'Login' button that will trigger the attemptLogin function
# when clicked
p = boxloc + Vec3(-0.5, -0.4, 0)
self.statusText = OnscreenText(text = "", pos = p, scale = 0.05, fg = (1, 0, 0, 1), align=TextNode.ALeft)
# A simple text object that you can display an error/status messages
# to the user
def updateStatus(self, statustext):
self.statusText.setText(statustext)
# all this does is change the status text.
def composeStringMessage(self, msg):
myPyDatagram = PyDatagram()
myPyDatagram.addString(msg)
return myPyDatagram
def retrieveStringMessage(self,datagram):
myIterator = PyDatagramIterator(datagram)
msg = myIterator.getString()
print msg, " received"
def sendRequest(self):
if(self.received):
print "->Client request:"
# Send a request to the server
msg = self.usernameBox.get()+" "+self.passwordBox.get()
request = self.composeStringMessage(msg)
ack = self.cWriter.send(request,self.connection)
print msg, " sent"
self.received = 0
def receiveResponse(self):
print "<-Server response:"
while self.cReader.dataAvailable():
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
self.retrieveStringMessage(datagram)
self.received = 1
def communicate(self):
#print "communicate"
self.sendRequest()
self.receiveResponse()
def updateRoutine(self,task):
self.communicate()
return task.again;
def attemptLogin(self):
# checks to make sure the user inputed a username and password:
# if they didn't it will spit out an error message
# if they did, it will try to connect to the login server
# (under construction)
if(self.usernameBox.get() == ""):
if(self.passwordBox.get() == ""):
self.updateStatus("ERROR: You must enter a username and password before logging in.")
else:
self.updateStatus("ERROR: You must specify a username")
self.passwordBox['focus'] = 0
self.usernameBox['focus'] = 1
elif(self.passwordBox.get() == ""):
self.updateStatus("ERROR: You must enter a password")
self.usernameBox['focus'] = 0
self.passwordBox['focus'] = 1
else:
self.updateStatus("Attempting to login...")
print "Attempting to connect to Server with credentials: (" + self.usernameBox.get() + ", " + self.passwordBox.get() + ")"
# this is where the networking code will get put in
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
HOST = "localhost";
PORT = 1234;
self.connection = self.cManager.openTCPClientConnection(HOST, PORT, 10000)
self.received = 1
if self.connection:
self.cReader.addConnection(self.connection)
#taskMgr.add(self.updateRoutine, 'updateRoutine')
taskMgr.doMethodLater(3, self.updateRoutine, 'updateRoutine')
def cycleLoginBox(self):
# function is triggered by the tab key so you can cycle between
# the two input fields like on most login screens
# IMPORTANT: When you change the focus to one of the text boxes,
# you have to unset the focus on the other textbox. If you do not
# do this Panda seems to get confused.
if(self.passwordBox['focus'] == 1):
self.passwordBox['focus'] = 0
self.usernameBox['focus'] = 1
elif(self.usernameBox['focus'] == 1):
self.usernameBox['focus'] = 0
self.passwordBox['focus'] = 1
class TCP():
def __init__(self, _core):
print ("TCP Protocol Startup...")
self.core = _core
self.config = self.core.client.config
# Connection on TCP
self.tcpConnection = None
def start(self):
self.setupTCP()
self.startTCPTasks()
def setupTCP(self):
self.tcpManager = QueuedConnectionManager()
self.tcpReader = QueuedConnectionReader(self.tcpManager, 0)
self.tcpWriter = ConnectionWriter(self.tcpManager, 0)
def startTCPTasks(self):
taskMgr.add(self.tcpReaderTask, "tcpReaderTask", -10)
print ("TCP Reader Started")
def tcpReaderTask(self, task):
"""
Handle any data from clients by sending it to the Handlers.
"""
while 1:
(datagram, data, opcode) = self.tcpNonBlockingRead(self.tcpReader)
if opcode is MSG_NONE:
# Do nothing or use it as some 'keep_alive' thing.
break
else:
# Handle it
self.core.packetManager.handlePacket(opcode, data)
return Task.cont
# TCP NonBlockingRead??
def tcpNonBlockingRead(self, qcr):
"""
Return a datagram collection and type if data is available on
the queued connection udpReader
"""
if self.tcpReader.dataAvailable():
datagram = NetDatagram()
if self.tcpReader.getData(datagram):
data = DatagramIterator(datagram)
opcode = data.getUint8()
else:
data = None
opcode = MSG_NONE
else:
datagram = None
data = None
opcode = MSG_NONE
# Return the datagram to keep a handle on the data
return (datagram, data, opcode)
def connectToServer(self, _ip, _port):
self.tcpConnection = self.tcpManager.openTCPClientConnection(_ip, _port, 1000)
if self.tcpConnection != None:
self.tcpReader.addConnection(self.tcpConnection)
# Close the main menu and move the client into the game
# for now we will make a shortcut
#self.clientManager.guiManager.menu.hide()
class Client(DirectObject):
def __init__(self,
host,
port,
timeout=3000,
compress=False,
connectionStateChangedHandler=None):
DirectObject.__init__(self)
self.connectionStateChangedHandler = connectionStateChangedHandler
self.myConnection = None
self.host = host
self.port = port
self.timeout = timeout
self.compress = compress
self.cManager = QueuedConnectionManager()
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
# By default, we are not connected
self.connected = False
self.passedData = []
self.connect(self.host, self.port, self.timeout)
def cleanup(self):
self.removeAllTasks()
def startPolling(self):
self.doMethodLater(0.1, self.tskDisconnectPolling,
"clientDisconnectTask")
def connect(self, host, port, timeout=3000):
# Connect to our host's socket
self.myConnection = self.cManager.openTCPClientConnection(
host, port, timeout)
if self.myConnection:
self.myConnection.setNoDelay(True)
self.myConnection.setKeepAlive(True)
print "Connected"
self.cReader.addConnection(
self.myConnection) # receive messages from server
self.connected = True # Let us know that we're connected
self.startPolling()
if self.connectionStateChangedHandler:
self.connectionStateChangedHandler.handleConnection()
else:
print "Unable to connect"
if self.connectionStateChangedHandler:
self.connectionStateChangedHandler.handleFailure()
def tskDisconnectPolling(self, task):
if not self.connected:
return Task.done
# TODO: Hacky sending nothing to force disconnect triggers
#self.sendData()
# Also checking for dataAvailable on reader will trigger the connection disconnected
self.cReader.dataAvailable()
# TODO: Confirm this works for client side (to both game server and master server)
while self.cManager.resetConnectionAvailable():
connPointer = PointerToConnection()
self.cManager.getResetConnection(connPointer)
connection = connPointer.p()
# Remove the connection we just found to be "reset" or "disconnected"
self.cReader.removeConnection(connection)
# Let us know that we are not connected
self.connected = False
print "disconnected"
if self.connectionStateChangedHandler:
self.connectionStateChangedHandler.handleDisconnection()
return Task.again
def processData(self, netDatagram):
myIterator = PyDatagramIterator(netDatagram)
return self.decode(myIterator.getString())
def encode(self, data, compress=False):
# encode(and possibly compress) the data with rencode
return rencode.dumps(data, compress)
def decode(self, data):
# decode(and possibly decompress) the data with rencode
return rencode.loads(data)
def sendData(self, data=None):
myPyDatagram = PyDatagram()
myPyDatagram.addString(self.encode(data, self.compress))
self.cWriter.send(myPyDatagram, self.myConnection)
def passData(self, data):
self.passedData.append(data)
def getData(self):
data = self.passedData
self.passedData = []
while self.cReader.dataAvailable():
datagram = NetDatagram()
if self.cReader.getData(datagram):
data.append(self.processData(datagram))
return data
class World(DirectObject):
def __init__(self):
self.keyMap = {"left":0, "right":0, "forward":0, "cam-left":0, "cam-right":0}
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.opponents = dict()
self.logStat = -1
self.id = 0
self.username = ""
host = "localhost"
port = 9252
self.connection = self.cManager.openTCPClientConnection(host, port, 10000)
self.received = 1
self.playersText = []
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, 'updateRoutine')
taskMgr.add(self.login, 'login')
taskMgr.doMethodLater(.1, self.heartbeat, 'heartbeat')
# Replace with actual, dynamic list of players from the server
self.players = dict()
# Placeholder, replace with actual # of players later
self.numberOfPlayers = 2
# Stores the OnScreenText for each player in the players list
# Populated and depopulated using listPlayers and delistPlayers
self.playersText = []
# Stores all the player objects currently logged in
self.playerObjects = []
base.win.setClearColor(Vec4(0,0,0,1))
# Post the instructions
#self.title = addTitle("Panda3D Tutorial: Roaming Ralph (Walking on Uneven Terrain)")
#self.inst1 = addInstructions(0.95, "[ESC]: Quit")
#self.inst2 = addInstructions(0.90, "[Left Arrow]: Rotate Ralph Left")
#self.inst3 = addInstructions(0.85, "[Right Arrow]: Rotate Ralph Right")
#self.inst4 = addInstructions(0.80, "[Up Arrow]: Run Ralph Forward")
#self.inst6 = addInstructions(0.70, "[A]: Rotate Camera Left")
#self.inst7 = addInstructions(0.65, "[S]: Rotate Camera Right")
#self.inst8 = addInstructions(0.60, "[Q]: Display List Of Connected Players")
# Set up the environment
#
# This environment model contains collision meshes. If you look
# in the egg file, you will see the following:
#
# <Collide> { Polyset keep descend }
#
# This tag causes the following mesh to be converted to a collision
# mesh -- a mesh which is optimized for collision, not rendering.
# It also keeps the original mesh, so there are now two copies ---
# one optimized for rendering, one for collisions.
self.environ = loader.loadModel("models/world")
self.environ.reparentTo(render)
self.environ.setPos(0,0,0)
# Create the main character, Ralph
ralphStartPos = self.environ.find("**/start_point").getPos()
self.ralph = Actor("models/ralph",
{"run":"models/ralph-run",
"walk":"models/ralph-walk"})
self.ralph.reparentTo(render)
self.ralph.setScale(.2)
self.ralph.setPos(ralphStartPos)
ralphStartPos.setY(ralphStartPos.getY()-10)
self.ralph.setPos(ralphStartPos.getX(),ralphStartPos.getY(),ralphStartPos.getZ())
self.initx = ralphStartPos.getX()
# Add our Ralph to list to Ralphs
self.playerObjects.append(self.ralph)
# Load and transform the panda actor.
self.pandaActor = Actor("models/panda-model",
{"walk": "models/panda-walk4"})
self.pandaActor.setScale(0.003, 0.003, 0.003)
self.pandaActor.reparentTo(render)
# Loop its animation.
#self.pandaActor.loop("walk")
self.pandaActor.setPos(ralphStartPos.getX(),ralphStartPos.getY()-20,ralphStartPos.getZ())
# Create a floater object. We use the "floater" as a temporary
# variable in a variety of calculations.
self.floater = NodePath(PandaNode("floater"))
self.floater.reparentTo(render)
# Accept the control keys for movement and rotation
self.accept("escape", self.disconnect)
self.accept("arrow_left", self.setKey, ["left",1])
self.accept("arrow_right", self.setKey, ["right",1])
self.accept("arrow_up", self.setKey, ["forward",1])
self.accept("a", self.setKey, ["cam-left",1])
self.accept("s", self.setKey, ["cam-right",1])
self.accept("arrow_left-up", self.setKey, ["left",0])
self.accept("arrow_right-up", self.setKey, ["right",0])
self.accept("arrow_up-up", self.setKey, ["forward",0])
self.accept("a-up", self.setKey, ["cam-left",0])
self.accept("s-up", self.setKey, ["cam-right",0])
self.accept("q", self.listPlayers)
self.accept("q-up", self.delistPlayers)
taskMgr.add(self.move,"moveTask")
# Call whenever a ralph has logged in, use arg "out" for logouts
self.displayLoginText()
# Game state variables
self.isMoving = False
# Set up the camera
base.disableMouse()
base.camera.setPos(self.ralph.getX(),self.ralph.getY()+10,2)
# We will detect the height of the terrain by creating a collision
# ray and casting it downward toward the terrain. One ray will
# start above ralph's head, and the other will start above the camera.
# A ray may hit the terrain, or it may hit a rock or a tree. If it
# hits the terrain, we can detect the height. If it hits anything
# else, we rule that the move is illegal.
self.cTrav = CollisionTraverser()
self.ralphGroundRay = CollisionRay()
self.ralphGroundRay.setOrigin(0,0,1000)
self.ralphGroundRay.setDirection(0,0,-1)
self.ralphGroundCol = CollisionNode('ralphRay')
self.ralphGroundCol.addSolid(self.ralphGroundRay)
self.ralphGroundCol.setFromCollideMask(BitMask32.bit(0))
self.ralphGroundCol.setIntoCollideMask(BitMask32.allOff())
self.ralphGroundColNp = self.ralph.attachNewNode(self.ralphGroundCol)
self.ralphGroundHandler = CollisionHandlerQueue()
self.cTrav.addCollider(self.ralphGroundColNp, self.ralphGroundHandler)
self.pandaActorGroundRay = CollisionRay()
self.pandaActorGroundRay.setOrigin(0,0,1000)
self.pandaActorGroundRay.setDirection(0,0,-1)
self.pandaActorGroundCol = CollisionNode('pandaActorRay')
self.pandaActorGroundCol.addSolid(self.pandaActorGroundRay)
self.pandaActorGroundCol.setFromCollideMask(BitMask32.bit(0))
self.pandaActorGroundCol.setIntoCollideMask(BitMask32.allOff())
self.pandaActorGroundColNp = self.pandaActor.attachNewNode(self.pandaActorGroundCol)
self.pandaActorGroundHandler = CollisionHandlerQueue()
self.cTrav.addCollider(self.pandaActorGroundColNp, self.pandaActorGroundHandler)
self.camGroundRay = CollisionRay()
self.camGroundRay.setOrigin(0,0,1000)
self.camGroundRay.setDirection(0,0,-1)
self.camGroundCol = CollisionNode('camRay')
self.camGroundCol.addSolid(self.camGroundRay)
self.camGroundCol.setFromCollideMask(BitMask32.bit(0))
self.camGroundCol.setIntoCollideMask(BitMask32.allOff())
self.camGroundColNp = base.camera.attachNewNode(self.camGroundCol)
self.camGroundHandler = CollisionHandlerQueue()
self.cTrav.addCollider(self.camGroundColNp, self.camGroundHandler)
# Uncomment this line to see the collision rays
#self.ralphGroundColNp.show()
#self.camGroundColNp.show()
self.miniMap = miniMap(self.ralph)
self.miniMap.setNpc('tower_1', 'models/hexahedron.png', 0.05, 0.2, 0.3)
self.miniMap.setNpc('tower_2', 'models/hexahedron.png', 0.05, -0.4, -0.5)
# Uncomment this line to show a visual representation of the
# collisions occuring
#self.cTrav.showCollisions(render)
# Create some lighting
ambientLight = AmbientLight("ambientLight")
ambientLight.setColor(Vec4(.3, .3, .3, 1))
directionalLight = DirectionalLight("directionalLight")
directionalLight.setDirection(Vec3(-5, -5, -5))
directionalLight.setColor(Vec4(1, 1, 1, 1))
directionalLight.setSpecularColor(Vec4(1, 1, 1, 1))
render.setLight(render.attachNewNode(ambientLight))
render.setLight(render.attachNewNode(directionalLight))
self.setAI()
#Records the state of the arrow keys
def setKey(self, key, value):
self.keyMap[key] = value
# Accepts arrow keys to move either the player or the menu cursor,
# Also deals with grid checking and collision detection
def move(self, task):
self.miniMap.updateHeroPos(self.ralph.getX(), self.ralph.getY())
self.miniMap.updateHeroHpr(self.ralph.getH())
# If the camera-left key is pressed, move camera left.
# If the camera-right key is pressed, move camera right.
base.camera.lookAt(self.ralph)
if (self.keyMap["cam-left"]!=0):
base.camera.setX(base.camera, -20 * globalClock.getDt())
if (self.keyMap["cam-right"]!=0):
base.camera.setX(base.camera, +20 * globalClock.getDt())
# save ralph's initial position so that we can restore it,
# in case he falls off the map or runs into something.
startpos = self.ralph.getPos()
# If a move-key is pressed, move ralph in the specified direction.
if (self.keyMap["left"]!=0):
self.ralph.setH(self.ralph.getH() + 300 * globalClock.getDt())
if (self.keyMap["right"]!=0):
self.ralph.setH(self.ralph.getH() - 300 * globalClock.getDt())
if (self.keyMap["forward"]!=0):
self.ralph.setY(self.ralph, -25 * globalClock.getDt())
# Makes the panda look at ralph when not using AI
#self.pandaActor.lookAt(self.ralph)
#self.pandaActor.setH(self.pandaActor.getH() + 180)
# If ralph is moving, loop the run animation.
# If he is standing still, stop the animation.
if (self.keyMap["forward"]!=0) or (self.keyMap["left"]!=0) or (self.keyMap["right"]!=0):
if self.isMoving is False:
self.ralph.loop("run")
self.isMoving = True
else:
if self.isMoving:
self.ralph.stop()
self.ralph.pose("walk",5)
self.isMoving = False
print "stop"
self.requestStop()
# If the camera is too far from ralph, move it closer.
# If the camera is too close to ralph, move it farther.
camvec = self.ralph.getPos() - base.camera.getPos()
camvec.setZ(0)
camdist = camvec.length()
camvec.normalize()
if (camdist > 10.0):
base.camera.setPos(base.camera.getPos() + camvec*(camdist-10))
camdist = 10.0
if (camdist < 5.0):
base.camera.setPos(base.camera.getPos() - camvec*(5-camdist))
camdist = 5.0
# Now check for collisions.
self.cTrav.traverse(render)
# Adjust ralph's Z coordinate. If ralph's ray hit terrain,
# update his Z. If it hit anything else, or didn't hit anything, put
# him back where he was last frame.
entries = []
for i in range(self.ralphGroundHandler.getNumEntries()):
entry = self.ralphGroundHandler.getEntry(i)
entries.append(entry)
entries.sort(lambda x,y: cmp(y.getSurfacePoint(render).getZ(),
x.getSurfacePoint(render).getZ()))
if (len(entries)>0) and (entries[0].getIntoNode().getName() == "terrain"):
self.ralph.setZ(entries[0].getSurfacePoint(render).getZ())
else:
self.ralph.setPos(startpos)
entries2 = []
for i in range(self.pandaActorGroundHandler.getNumEntries()):
entry = self.pandaActorGroundHandler.getEntry(i)
entries2.append(entry)
entries2.sort(lambda x,y: cmp(y.getSurfacePoint(render).getZ(),
x.getSurfacePoint(render).getZ()))
if (len(entries2)>0) and (entries2[0].getIntoNode().getName() == "terrain"):
self.pandaActor.setZ(entries2[0].getSurfacePoint(render).getZ())
else:
self.pandaActor.setPos(startpos)
# Keep the camera at one foot above the terrain,
# or two feet above ralph, whichever is greater.
entries = []
for i in range(self.camGroundHandler.getNumEntries()):
entry = self.camGroundHandler.getEntry(i)
entries.append(entry)
entries.sort(lambda x,y: cmp(y.getSurfacePoint(render).getZ(),
x.getSurfacePoint(render).getZ()))
if (len(entries)>0) and (entries[0].getIntoNode().getName() == "terrain"):
base.camera.setZ(entries[0].getSurfacePoint(render).getZ()+1.0)
if (base.camera.getZ() < self.ralph.getZ() + 2.0):
base.camera.setZ(self.ralph.getZ() + 2.0)
# The camera should look in ralph's direction,
# but it should also try to stay horizontal, so look at
# a floater which hovers above ralph's head.
self.floater.setPos(self.ralph.getPos())
self.floater.setZ(self.ralph.getZ() + 2.0)
base.camera.lookAt(self.floater)
if self.isMoving:
self.moveRalph()
return task.cont
def displayLoginText(self, s="in"):
self.loginText = addInstructions(-0.95, "A Ralph has logged " + s)
myTask = taskMgr.doMethodLater(3, self.removeLoginText, 'removeLoginTextTask')
def moveRalph(self):
pkg = PyDatagram()
pkg.addUint16(114)
pkg.addFloat32(self.ralph.getX())
pkg.addFloat32(self.ralph.getY())
pkg.addFloat32(self.ralph.getZ())
pkg.addFloat32(self.ralph.getH())
self.cWriter.send(pkg,self.connection)
def disconnect(self):
pkg = PyDatagram()
pkg.addUint16(119)
self.cWriter.send(pkg,self.connection)
sys.exit()
def requestStop(self):
pkg = PyDatagram()
pkg.addUint16(115)
self.cWriter.send(pkg,self.connection)
def stopPlayer(self, data):
id = data.getInt32()
if id != self.id:
self.opponents[id].character.stop()
self.opponents[id].character.pose("walk",5)
def movePlayer(self, data):
id = data.getInt32()
x = data.getFloat32()
y = data.getFloat32()
z = data.getFloat32()
rotation = data.getFloat32()
if id == self.id:
self.ralph.setPos(x, y, z)
self.ralph.setH(rotation)
else:
self.opponents[id].character.setPos(x,y,z)
self.opponents[id].character.setH(rotation)
self.opponents[id].character.loop("run", restart = 0)
self.miniMap.updateTeamMatePos(id, x, y)
def check(self):
while self.cReader.dataAvailable():
print "data here"
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
data = PyDatagramIterator(datagram)
responseCode = data.getUint16()
print responseCode
if responseCode == 201:
self.getPlayer(data)
elif responseCode == 202:
self.register(data)
elif responseCode == 203:
self.getOpponent(data)
elif responseCode == 214:
self.movePlayer(data)
elif responseCode == 215:
self.stopPlayer(data)
elif responseCode == 219:
self.dropPlayer(data)
else:
print "nothing found"
def heartbeat(self, task):
pkg = PyDatagram()
pkg.addUint16(113)
self.cWriter.send(pkg,self.connection)
return task.again
def updateRoutine(self,task):
self.check()
return task.again;
def login(self, task):
self.option = 0
self.option = str(raw_input("1-Login\n2-Register\n"))
if self.option == "1":
un = str(raw_input("Username: "******"Password: "******"2":
un = str(raw_input("Username: "******"Password: "******"Account Made"
taskMgr.add(self.login, 'login')
else:
print "Username Taken"
taskMgr.add(self.login, 'login')
def registerRequest(self, username, password):
pkg = PyDatagram()
pkg.addUint16(102)
pkg.addString(username)
pkg.addString(password)
return pkg
def getPlayer(self, data):
self.logStat = data.getUint16()
if self.logStat == 0:
self.id = data.getInt32()
self.username = data.getString()
x = data.getFloat32()
y = data.getFloat32()
z = data.getFloat32()
rotation = data.getFloat32()
if x == 0 and y == 0 and z == 0:
ralphStartPos = self.environ.find("**/start_point").getPos()
self.ralph.setPos(ralphStartPos.getX(),ralphStartPos.getY(),ralphStartPos.getZ())
else:
self.ralph.setPos( x, y, z )
self.ralph.setH( rotation )
else:
print "login failed"
taskMgr.add(self.login, 'login')
def getOpponent(self, data):
opponent = Player()
opponent.id = data.getInt32()
opponent.username = data.getString()
x = data.getFloat32()
y = data.getFloat32()
z = data.getFloat32()
rotation = data.getFloat32()
opponent.character.reparentTo(render)
opponent.character.setScale(.2)
opponent.character.setPos(x, y, z)
opponent.character.setH(rotation)
self.opponents[opponent.id] = opponent
self.displayLoginText()
self.miniMap.setTeamMate(opponent.id, 0.025, x, y)
def dropPlayer(self, data):
id = data.getInt32()
self.opponents[id].character.removeNode()
del self.opponents[id]
self.displayLoginText(s="out")
self.miniMap.delTeamMate(id)
def removeLoginText(self, task):
self.loginText.destroy()
return task.done
def listPlayers(self):
i = 0.55
for p in self.opponents:
self.playersText.append( addInstructions(i, self.opponents[p].username) )
i -= 0.05
def delistPlayers(self):
for x in self.playersText:
x.destroy()
def findClosestRalph(self):
px = self.pandaActor.getX()
py = self.pandaActor.getY()
pz = self.pandaActor.getZ()
closestPlayer = self.ralph
rx = self.ralph.getX()
ry = self.ralph.getY()
rz = self.ralph.getZ()
minDist = math.sqrt( (rx-px)*(rx-px) + (ry-py)*(ry-py) + (rz-pz)*(rz-pz) )
for x in self.opponents:
rx = self.opponents[x].character.getX()
ry = self.opponents[x].character.getY()
rz = self.opponents[x].character.getZ()
dist = math.sqrt( (rx-px)*(rx-px) + (ry-py)*(ry-py) + (rz-pz)*(rz-pz) )
if (dist < minDist):
minDist = dist
closestPlayer = self.opponents[x].character
return closestPlayer, minDist
# Panda chasing Ralph
def setAI(self):
#Creating AI World
self.AIworld = AIWorld(render)
self.AIchar = AICharacter("panda",self.pandaActor, 100, 0.05, 5)
self.AIworld.addAiChar(self.AIchar)
self.AIbehaviors = self.AIchar.getAiBehaviors()
closestRalph = self.findClosestRalph()
self.AIbehaviors.pursue(closestRalph[0])
self.pandaActor.loop("walk")
#AI World update
taskMgr.add(self.AIUpdate,"AIUpdate")
#to update the AIWorld
def AIUpdate(self,task):
self.AIworld.update()
closestRalph = self.findClosestRalph()
if ( self.numberOfPlayers <= 1 or not restrain(closestRalph[1], -CHASE_DISTANCE, CHASE_DISTANCE) or closestRalph[1] < 3):
self.AIbehaviors.pauseAi("pursue")
else: self.AIbehaviors.pursue(closestRalph[0])
return task.cont
class ConnectionManager:
notify = DirectNotifyGlobal.directNotify.newCategory("ConnectionManager")
def __init__(self):
self.socket = None
self.hostName = None
self.port = None
self.ourChannel = 100001
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
def start(self):
self.hostName = base.configManager.getString('host-name', '127.0.0.1')
self.port = base.configManager.getInt('port-number', 6667)
self.socket = self.cManager.openTCPServerRendezvous(
self.hostName, self.port, 1000)
if self.socket:
self.cListener.addConnection(self.socket)
self._serverStarted(self.hostName, self.port)
taskMgr.add(self._socketListener, 'Connection Listener')
taskMgr.add(self._socketReader, 'Connection Reader')
else:
self.notify.warning(
"Unable to start server on %s:%d - is the port in use?" %
(self.hostName, self.port))
base.logManager.writeServerEvent(
'ServerBase',
'Unable to start server on %s:%d - is the port in use?' %
(self.hostName, self.port))
sys.exit()
def _serverStarted(self, host, port):
self.notify.warning("Server started on %s:%d" % (host, port))
base.logManager.writeServerEvent(
'ServerBase', 'Server started on %s:%d' % (host, port))
def _socketListener(self, task):
if self.cListener.newConnectionAvailable():
rendezvous = PointerToConnection()
netAddress = NetAddress()
newConnection = PointerToConnection()
if self.cListener.getNewConnection(rendezvous, netAddress,
newConnection):
newConnection = newConnection.p()
base.activeConnections[newConnection] = NetworkedClient()
self.cReader.addConnection(newConnection)
self.notify.warning("New Unauthed Client Connected: %s" %
(netAddress))
return Task.cont
def _socketReader(self, task):
if self.cReader.dataAvailable():
datagram = NetDatagram()
if self.cReader.getData(datagram):
base.messageManager.handleMessage(datagram)
return Task.cont
class NetworkClient():
"""
All remote clients will have one of these in their GameManager. This
class communicates with a server (NetworkHost) to update game state.
"""
def __init__(self, gameManager):
self._connManager = QueuedConnectionManager()
self._timeout = CLIENT_TIMEOUT
self._loadConfig()
self._gameManager = gameManager
self._playerInfo = dict() # Party Member Info
self._creatures = dict() # Creates by cID.
self._connection = None
def _loadConfig(self):
"""
Loads network configuration defaults.
"""
self._portAddress = ConfigVariableInt("default-port",
DEFAULT_PORT).getValue()
def startClient(self, ipAddress):
"""
Finishes client init and attempts a connection.
"""
# Initialize Reader and Writer:
self._connReader = QueuedConnectionReader(self._connManager, 0)
self._connWriter = ConnectionWriter(self._connManager, 0)
# Initialize connection:
self._connection = self._connManager.openTCPClientConnection(
ipAddress, self._portAddress, self._timeout)
if self._connection:
print("[Client Connected]")
self._connReader.addConnection(self._connection)
# Begin handling messages (start listening):
taskMgr.add(self._onReaderPoll, "Poll the connection reader", -40)
self._gameManager.onLocalClientJoinedParty(self._connection\
.this) # GameManager callback
def _onReaderPoll(self, taskdata):
"""
Called on an interval to interpret messages from the reader.
"""
if self._connReader.dataAvailable():
newDatagram = NetDatagram()
# Double check to make sure (Multithreading safety):
if self._connReader.getData(newDatagram):
self._interpretDatagram(newDatagram)
return Task.cont # Repeat this call on an interval
def sendMessage(self, msg, msgType):
"""
Sends a given message to the server.
"""
print("[Client Sending %s message type %s]" %
(str(self._connection), str(msgType)))
self._connWriter.send(msg, self._connection)
def _interpretDatagram(self, datagram):
"""
Interprets a received datagram and performs actions based on
its values.
"""
msg = PyDatagramIterator(datagram)
msgType = msg.getUint8()
if msgType == DEBUG_MESSAGE:
print(msg.getString())
elif msgType == MAP_MESSAGE:
print("[Client Received Map Data]")
if self._gameManager.getTileMap() == None:
data = msg.getString32()
self._gameManager.onClientFirstReceivedMap(data)
elif msgType == UPDATE_PLAYER_INFO:
data = msg.getString()
self._updatePlayerInfoHandler(data)
elif msgType == SPAWN_CHARACTER:
data = msg.getString()
dataDict = json.loads(data)
self._onSpawnHandler(dataDict)
elif msgType == SYNC_ACTION:
data = msg.getString()
dataDict = json.loads(data)
self._onActionSyncHandler(dataDict)
elif msgType == SYNC_HEALTH:
data = msg.getString()
dataDict = json.loads(data)
self._onHealthSyncHandler(dataDict)
elif msgType == SYNC_DEATH:
data = msg.getString()
dataDict = json.loads(data)
self._onDeathSyncHandler(dataDict)
elif msgType == SYNC_RESPAWN:
data = msg.getString()
dataDict = json.loads(data)
self._onRespawnPermissionGranted(dataDict)
elif msgType == SPAWN_ITEM:
data = msg.getString()
dataDict = json.loads(data)
self._onItemSpawned(dataDict)
elif msgType == WIN_STATE:
data = msg.getString()
self._onGameWon(data)
def _onGameWon(self, data):
"""
Show the win state achieved screen with the specified playerinfo as
the winner details.
"""
newPlayerData = PlayerInfo(fromJson=data)
self._gameManager.onWinStateAchieved(newPlayerData)
def _onItemSpawned(self, dataDict):
""" The server spawned an item, handle spawning on this client """
itemType = ITEM_ID_DICT[dataDict['itemType']]
itemID = dataDict['objID']
newPos = Point2D(dataDict['pos'][0], dataDict['pos'][1])
# Create item locally:
newItem = itemType(self._gameManager, itemID, coords=newPos)
self._gameManager.getTileMap().spawnItem(newItem, newPos)
# Track new item:
self._creatures[itemID] = newItem
def _onDeathSyncHandler(self, dataDict):
""" Handles syncing of death for the given creature """
deadCreature = self._creatures[dataDict['objID']]
# Play death sequence on this character:
deadCreature.deathSequence(amClient=True)
def _onHealthSyncHandler(self, dataDict):
""" Handles syncing of health values for creatures """
print("_onHealthSyncHandler")
newHealth = dataDict['newHealth']
affectedCreature = self._creatures[dataDict['objID']]
affectedCreature.onHPModified(newHealth)
def _onSpawnHandler(self, dataDict):
""" Handles networking spawning characters """
# Spawn object locally if the object at cID doesn't already exist.
if not dataDict['objID'] in self._creatures.keys():
# Spawn object of charType at pos
objectType = getCharacterTypeAsClass(dataDict['charType'])
newPos = Point2D(dataDict['pos'][0], dataDict['pos'][1])
newChar = objectType(parentCtrlr=None,
cID=dataDict['objID'],
gameManager=self._gameManager,
coords=newPos)
self._creatures[dataDict['objID']] = newChar
self._gameManager.getTileMap().spawnObject(newChar, newPos)
print("[Client Spawned %s]" % dataDict['objID'])
# If we have a player info for this player, use their name for the
# displayName:
print(dataDict['objID'], self._playerInfo)
if dataDict['objID'] in self._playerInfo:
newName = self._playerInfo[dataDict['objID']].cName
newChar.setNameDisplay(newName)
else:
# Ignore Overwrite
pass
def _updatePlayerInfoHandler(self, data):
"""
Update our player list with a player info given by data.
"""
newPlayerData = PlayerInfo(fromJson=data)
self._playerInfo[newPlayerData.cID] = newPlayerData
self._gameManager.updatePartyInfo(self._playerInfo,
self._connection.this)
# Update the creature's floating display name (unless it is ours):
ignoreThisUpdate = False
if self._gameManager._localPlayer:
if newPlayerData.cID == self._gameManager._localPlayer\
.getCharacter().getCID():
ignoreThisUpdate = True
if not ignoreThisUpdate and newPlayerData.cID in self._creatures:
self._creatures[newPlayerData.cID]\
.setNameDisplay(newPlayerData.cName)
def _onRespawnPermissionGranted(self, dataDict):
"""
Respawn the given character at the given location.
"""
targetObj = self._creatures[dataDict['objID']]
newPos = Point2D(dataDict['pos'][0], dataDict['pos'][1])
targetObj.respawn(newPos)
def _onActionSyncHandler(self, dataDict):
"""
Attempts to queue an action for execution on a target denoted by
dataDict['objID']
"""
syncedAction = ACTION_NETWORKING_DICT[dataDict['actionID']]
# Add a few local variables to dataDict:
targetObj = self._creatures[
dataDict['objID']] # TODO Maybe make this part of dataDict!
dataDict['tileMap'] = self._gameManager.getTileMap()
if 'targetCID' in dataDict: # If there is another target:
# Assign the target:
dataDict['target'] = self._creatures[dataDict['targetCID']]
dataDict['isServer'] = False # Let sync function know we are remote
# Create the newAction
newAction = syncedAction(targetObj, **dataDict)
targetObj.startAction(newAction) # queue or start the new action
def updateLocalPlayerInfo(self, info=None):
"""
Updates info for this local player and sends it to the server.
"""
if not info:
initData = PlayerInfo(cID=self._connection.this)
self._playerInfo[self._connection.this] = initData
infoMsg = createPlayerInfoMessage(initData)
self.sendMessage(infoMsg, UPDATE_PLAYER_INFO)
else:
infoMsg = createPlayerInfoMessage(info)
self.sendMessage(infoMsg, UPDATE_PLAYER_INFO)
def syncAction(self, actionID, **kwargs):
"""
The local player has performed an action that must be synced across
the network. Send a message to all clients telling them to perform
a related action on that character.
"""
msg = createSyncActionMessage(self._connection.this, actionID,
**kwargs)
self.sendMessage(msg, SYNC_ACTION)
def sendPlayerRespawnRequest(self):
msg = createRespawnRequest(self._connection.this)
self.sendMessage(msg, SYNC_RESPAWN)
def localPlayerWins(self):
"""
Tell host we won. Then wait for a response.
"""
msg = createWinMessage(self._playerInfo[self._connection.this])
self.sendMessage(msg, WIN_STATE)
def spawnGameObject(self, gameObject):
"""
Tracks the given gameObject and sends it to the server
"""
# First, track it locally:
self._creatures[self.getCID()] = gameObject
# Tell server to spawn it for them and everyone else:
msg = createSpawnCharacterMessage(gameObject, self.getCID())
self.sendMessage(msg, SPAWN_CHARACTER)
def getCID(self):
return self._connection.this
class Connection(GlobalClockMixin, TaskMixin):
def __init__(self, base, host, port):
self.base = base
self.host = host
self.port = port
self._conn = None
self._retry_elapsed = 0
self._retry_next = 0
self._data_last_received = 0
self.manager = QueuedConnectionManager()
self.reader = QueuedConnectionReader(
self.manager,
0, # number of threads
)
# we're using our own protocol so we don't want panda reading our headers and getting
# all foobared by it (not setting raw mode causes `dataAvailable` to block
# once there is actually data to process)
self.reader.setRawMode(True)
self.writer = ConnectionWriter(
self.manager,
0, # number of threads
)
def connect(self, connected_callback, task):
"""
Attempts to connect to the server and if unable to will retry adding
a second to the wait time to each consecutive failure.
"""
self._retry_elapsed += self.get_dt()
if self._retry_elapsed < self._retry_next:
return task.cont
logging.debug('attempting to connect to server at %s:%d', self.host,
self.port)
self._conn = self.manager.openTCPClientConnection(
self.host,
self.port,
10000, # timeout ms
)
if self._conn:
logging.debug('connection established')
self.reader.addConnection(self._conn)
# reset the counters in case the connection drops and we have to restart the
# connection process
self._retry_elapsed = 0
self._retry_next = 0
# add a task to poll the connection for data
self.add_task(
self.task_read_polling,
name='connection_reader_poll',
sort=-39,
)
connected_callback()
return
# no connection so retry in a bit
self._retry_elapsed = 0
if self._retry_next == 0:
self._retry_next = 1
elif self._retry_next > 9:
self._retry_next = 10
else:
self._retry_next += 1
logging.error(
'Unable to connect to server %s:%s, will retry in %d seconds',
self.host,
self.port,
self._retry_next,
)
return task.cont
def task_read_polling(self, task):
if self.reader.dataAvailable():
logging.debug('data available from server')
datagram = Datagram()
if self.reader.getData(datagram):
logging.debug('received data from server: %s', datagram)
logging.debug('received data from server: %s',
datagram.getMessage())
# TODO: provide a way to supply a data callback
self._data_last_received = 0
else:
# no data received
logging.debug('no data')
self._data_last_received += self.get_dt()
if self._data_last_received >= 10:
logging.error('connection to server lost')
return
return task.cont
def shutdown(self):
logging.info('connection reader shutting down')
self.reader.shutdown()
class SocketTCP(ShowBase):
def __init__(self, _parent=None):
ShowBase.__init__(self, windowType = 'none')
print ("TCP Protocol Startup...")
#self.parent = _parent
#self.config = self.parent.server.config
# tmp config
self.tcpport = 6000
self.backlog = 10
self.hostname = '127.0.0.1'
self.sendPacketQueue = None
def startAll(self):
self.setupTCP()
self.startTCPTasks()
def setupTCP(self):
self.tcpManager = QueuedConnectionManager()
self.tcpReader = QueuedConnectionReader(self.tcpManager, 0)
self.tcpWriter = ConnectionWriter(self.tcpManager, 0)
self.tcpListener = QueuedConnectionListener(self.tcpManager, 0)
self.tcpSocket = self.tcpManager.openTCPServerRendezvous(self.tcpport, self.backlog)
self.tcpListener.addConnection(self.tcpSocket)
print ("Started Server on: ", self.hostname, self.tcpport)
def startTCPTasks(self):
taskMgr.add(self.tcpListenerTask, "tcpListenerTask", 0)
print ("TCP Listener Started")
taskMgr.add(self.tcpReaderTask, "tcpReaderTask", -10)
print ("TCP Reader Started")
taskMgr.add(self.tcpDisconnectionHandler, "tcpDisconnectionHandler", 20)
print ("TCP Disconnection Handler Started")
taskMgr.add(self.tcpQueuedSendHandlerTask, "tcpQueuedSendhandlerTask", -11)
print ("TCP Queued Send Handler Started")
# TCP Listener Task
def tcpListenerTask(self, task):
"""
Accept new incoming connection from clients, related to TCP
"""
# Handle new connection
if self.tcpListener.newConnectionAvailable():
rendezvous = PointerToConnection()
netAddress = NetAddress()
newConnection = PointerToConnection()
if self.tcpListener.getNewConnection(rendezvous, netAddress, newConnection):
newConnection = newConnection.p()
# Tell the reader about the new TCP connection
self.tcpReader.addConnection(newConnection)
#self.core.createPlayerObject(generateUUID(),newConnection, netAddress)
print ("Server: " + str(generateUUID), str(netAddress.getIpString()))
else:
print ("Server: Connection Failed from -", str(netAddress.getIpString()))
return Task.cont
def tcpReaderTask(self, task):
"""
Handle any data from clients by sending it to the Handlers.
"""
while 1:
(datagram, data, opcode) = self.tcpNonBlockingRead(self.tcpReader)
if opcode is MSG_NONE:
# Do nothing or use it as some 'keep_alive' thing.
break
else:
# Handle it
#self.core.packetManager.handlePacket(opcode, data, datagram.getAddress())
print("Set Packet Handler to handle packets!")
return Task.cont
# TCP NonBlockingRead??
def tcpNonBlockingRead(self, qcr):
"""
Return a datagram collection and type if data is available on
the queued connection udpReader
"""
if self.tcpReader.dataAvailable():
datagram = NetDatagram()
if self.tcpReader.getData(datagram):
data = DatagramIterator(datagram)
opcode = data.getUint8()
else:
data = None
opcode = MSG_NONE
else:
datagram = None
data = None
opcode = MSG_NONE
# Return the datagram to keep a handle on the data
return (datagram, data, opcode)
# TCP Disconnection Handler
def tcpDisconnectionHandler(self, task):
# Check for resets
if self.tcpManager.resetConnectionAvailable():
resetConnection = PointerToConnection()
self.tcpManager.getResetConnection(resetConnection)
print(str(resetConnection.p()))
#for client in self.core.server.clients:
# if self.core.server.clients[client].connection == resetConnection.p():
# del self.core.server.clients[client]
# self.tcpReader.removeConnection(resetConnection.p())
# print ("Removed Connection:", resetConnection.p())
# print ('Current Clients:', self.core.server.clients)
# break
return Task.cont
def sendPacket(self, _pkt, _connection):
self.tcpWriter.send(_pkt, _connection)
def sendBroadcast(self, _pkt, _skipif=None):
for client in self.serverManager.clients:
if _skipif == client:
pass
else:
conn = self.serverManager.clients[client].connection
self.tcpWriter.send(_pkt, conn)
def addPacketToSendQueue(self, _data):
# _data should contain packet and connection
pass
def addPacketToBroadcastQueue(self, _pkt, _connectionList):
# _data should contain the pkt data and _connectionList should be the valid connections for that broadcast
# Could have a grouping system that put clients together and broadcasts go per group
pass
def tcpQueuedSendHandlerTask(self, task):
if not self.sendPacketQueue.isEmpty():
self.addPacketToSendQueue(self.sendPacketQueue.removeFromQue())
return Task.cont
class MyApp(ShowBase):
def __init__(self):
ShowBase.__init__(self)
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
host = "localhost"
port = 9252
self.connection = self.cManager.openTCPClientConnection(host, port, 10000)
self.received = 1
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, 'updateRoutine')
taskMgr.add(self.message, 'message')
def message(self, task):
self.option = 0
self.option = str(raw_input("1-Send integer\n2-Send string\n3-Send short\n4-Send float\n"))
if self.option == "1":
msg = int(100 * random.random()) - 50
request = self.intRequest(msg)
self.cWriter.send(request,self.connection)
print "sent ", msg
taskMgr.remove('message')
elif self.option == "2":
msg = ''.join(random.choice('abcdefghijklmnopqrstuvwxyz') for x in range(7))
request = self.stringRequest(msg)
self.cWriter.send(request,self.connection)
print "sent ", msg
taskMgr.remove('message')
elif self.option == "3":
msg = int(100 * random.random())
request = self.shortRequest(msg)
self.cWriter.send(request,self.connection)
print "sent ", msg
taskMgr.remove('message')
elif self.option == "4":
msg = 100 * random.random()
request = self.floatRequest(msg)
self.cWriter.send(request,self.connection)
print "sent ", msg
taskMgr.remove('message')
def intRequest(self, msg):
pkg = PyDatagram()
pkg.addUint16(1)
pkg.addInt32(msg)
return pkg
def stringRequest(self, msg):
pkg = PyDatagram()
pkg.addUint16(2)
pkg.addString(msg)
return pkg
def shortRequest(self, msg):
pkg = PyDatagram()
pkg.addUint16(3)
pkg.addUint16(msg)
return pkg
def floatRequest(self, msg):
pkg = PyDatagram()
pkg.addUint16(4)
pkg.addFloat32(msg)
return pkg
def registerRequest(self, username, password):
pkg = PyDatagram()
pkg.addUint16(102)
pkg.addString(username)
pkg.addString(password)
return pkg
def check(self):
while self.cReader.dataAvailable():
print "data here"
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
data = PyDatagramIterator(datagram)
responseCode = data.getUint16()
print responseCode
if responseCode == 1:
self.getInt(data)
elif responseCode == 2:
self.getString(data)
elif responseCode == 3:
self.getShort(data)
elif responseCode == 4:
self.getFloat(data)
else:
print "nothing found"
def getInt(self, data):
msg = data.getInt32()
print "recieved ", msg
taskMgr.add(self.message, 'message')
def getString(self, data):
msg = data.getString()
print "recieved ", msg
taskMgr.add(self.message, 'message')
def getShort(self, data):
msg = data.getUint16()
print "recieved ", msg
taskMgr.add(self.message, 'message')
def getFloat(self, data):
msg = data.getFloat32()
print "recieved ", msg
taskMgr.add(self.message, 'message')
def updateRoutine(self,task):
self.check()
return task.again;
class Connection(ShowBase):
def __init__(self):
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
try:
host = "localhost"
port = 9252
self.connection = self.cManager.openTCPClientConnection(
host, port, 10000)
self.received = 1
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, 'updateRoutine')
# taskMgr.add(self.message, 'message')
except:
pass
# def message(self, task):
# self.option = 0
# self.option = str(raw_input("1-Send integer\n2-Send string\n3-Send short\n4-Send float\n"))
# if self.option == "1":
# msg = int(100 * random.random()) - 50
# request = self.intRequest(msg)
# self.cWriter.send(request,self.connection)
# print "sent ", msg
# taskMgr.remove('message')
# elif self.option == "2":
# msg = ''.join(random.choice('abcdefghijklmnopqrstuvwxyz') for x in range(7))
# request = self.stringRequest(msg)
# self.cWriter.send(request,self.connection)
# print "sent ", msg
# taskMgr.remove('message')
# elif self.option == "3":
# msg = int(100 * random.random())
# request = self.shortRequest(msg)
# self.cWriter.send(request,self.connection)
# print "sent ", msg
# taskMgr.remove('message')
# elif self.option == "4":
# msg = 100 * random.random()
# request = self.floatRequest(msg)
# self.cWriter.send(request,self.connection)
# print "sent ", msg
# taskMgr.remove('message')
def intRequest(self, msg):
pkg = PyDatagram()
pkg.addUint16(1)
pkg.addInt32(msg)
return pkg
def stringRequest(self, msg):
pkg = PyDatagram()
pkg.addUint16(2)
pkg.addString(msg)
return pkg
def shortRequest(self, msg):
pkg = PyDatagram()
pkg.addUint16(3)
pkg.addUint16(msg)
return pkg
def floatRequest(self, msg):
pkg = PyDatagram()
pkg.addUint16(4)
pkg.addFloat32(msg)
return pkg
def loginRequest(self, username, password):
pkg = PyDatagram()
pkg.addUint16(101)
pkg.addString(username)
pkg.addString(password)
return pkg
def registerRequest(self, username, password):
pkg = PyDatagram()
pkg.addUint16(103)
pkg.addString(username)
pkg.addString(password)
return pkg
def characterCreationRequest(self, username, classType):
pkg = PyDatagram()
pkg.addUint16(104)
pkg.addString(username)
pkg.addUint16(0)
pkg.addUint16(classType)
return pkg
def chatRequest(self, message):
pkg = PyDatagram()
pkg.addUint16(105)
pkg.addString(message)
return pkg
def moveRequest(self, x, y, z, h, isMoving):
pkg = PyDatagram()
pkg.addUint16(106)
pkg.addFloat32(x)
pkg.addFloat32(y)
pkg.addFloat32(z)
pkg.addFloat32(h)
pkg.addUint16(isMoving)
return pkg
def check(self):
while self.cReader.dataAvailable():
print "data here"
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
data = PyDatagramIterator(datagram)
responseCode = data.getUint16()
print responseCode
if responseCode == 1:
self.getInt(data)
elif responseCode == 2:
self.getString(data)
elif responseCode == 3:
self.getShort(data)
elif responseCode == 4:
self.getFloat(data)
elif responseCode == 201:
self.getLogin(data)
elif responseCode == 203:
self.getRegistion(data)
elif responseCode == 204:
self.getCharacterCreation(data)
elif responseCode == 205:
self.getChat(data)
elif responseCode == 206:
self.getMove(data)
else:
print "nothing found"
def getInt(self, data):
msg = data.getInt32()
print "recieved ", msg
taskMgr.add(self.message, 'message')
def getString(self, data):
msg = data.getString()
print "recieved ", msg
taskMgr.add(self.message, 'message')
def getShort(self, data):
msg = data.getUint16()
print "recieved ", msg
taskMgr.add(self.message, 'message')
def getFloat(self, data):
msg = data.getFloat32()
print "recieved ", msg
taskMgr.add(self.message, 'message')
def getLogin(self, data):
flag = data.getUint16()
if (flag == 0):
print "Invalid Login"
else:
listSize = data.getUint16()
for i in xrange(listSize):
characterName = data.getString()
characterId = data.getUint16()
characterType = data.getUint16()
characterFaction = data.getUint16()
# Need to add these to an active characters class
def getRegistion(self, data):
flag = data.getUint16()
if (flag == 0):
print "Invalid Login"
else:
print "Account Created"
def getCharacterCreation(self, data):
flag = data.getUint16()
if (flag == 0):
print "Invalid Character"
else:
listSize = data.getUint16()
for i in xrange(listSize):
characterName = data.getString()
characterId = data.getUint16()
characterType = data.getUint16()
characterFaction = data.getUint16()
# Need to add these to an active characters class
def getChat(self, data):
username = data.getString()
factionId = data.getUint16()
message = data.getString()
def getMove(self, data):
username = data.getString()
x = data.getFloat32()
y = data.getFloat32()
z = data.getFloat32()
h = data.getFloat32()
isMoving = data.getUint16()
def updateRoutine(self, task):
self.check()
return task.again
class login(DirectObject):
TEXT_COLOR = (1,1,1,1)
FONT_TYPE_01 = 0
TEXT_SHADOW_COLOR = (0,0,0,0.5)
usernameInput = ""
passwordInput = ""
frame = DirectFrame()
username = OnscreenText()
password = OnscreenText()
cpassword = OnscreenText()
failed = OnscreenText()
userTextbox = DirectEntry()
passTextbox = DirectEntry()
submitBtn = DirectButton()
registerBtn = DirectButton()
cancelBtn = DirectButton()
registerUsername = ""
registerPassword = ""
registerCPassword = ""
regInputUser = DirectEntry()
regInputPass = DirectEntry()
regInputCPass = DirectEntry()
regRegisterBtn = DirectButton()
regCancelBtn = DirectButton()
#character selection varaiables
createCharacter = DirectButton()
deleteCharacter = DirectButton()
selectCharacter = OnscreenText()
selectCharacterTextbox = DirectEntry()
selectCharacterInput=''
referenceForSelection = OnscreenText()
myScrolledList = DirectScrolledList()
submitBtn = DirectButton()
cancelBtn = DirectButton()
#character deletion varaiables
selectCharactertodelete = OnscreenText()
deleteBtn = DirectButton()
delCancelBtn = DirectButton()
CharacterToDeleteTextbox = DirectEntry()
referenceForDeletion = OnscreenText()
CharacterToDeleteInput = ' '
#character creation varaiables
v=[0]
v1=[0]
nameOfChar = OnscreenText()
nameOfCharTextbox = DirectEntry()
factionSelection = OnscreenText()
nameOfCharInput =''
def __init__(self):
print 'Loading Login...'
# self.cManager = ConnectionManager()
# self.startConnection()
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
frame = DirectFrame(frameColor=(0, 0, 0, 1), #(R,G,B,A)
frameSize=(-1, 1, -1, 1),#(Left,Right,Bottom,Top)
pos=(-0.5, 0, 0.5))
self.connection = self.cManager.openTCPClientConnection(Constants.SERVER_IP,
Constants.SERVER_PORT,
1000)
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, 'updateRoutine-Connection', -39)
taskMgr.doMethodLater(5, self.checkConnection, 'checkConnection')
self.createLoginWindow()
def startConnection(self):
"""Create a connection to the remote host.
If a connection cannot be created, it will ask the user to perform
additional retries.
"""
if self.cManager.connection == None:
if not self.cManager.startConnection():
return False
return True
def func1(self):
self.clickedSubmit()
self.createSelectionWindow()
def clearPassText(self):
self.passTextbox.enterText('')
def clearUserText(self):
self.userTextbox.enterText('')
def getUserText(self):
self.usernameInput = self.userTextbox.get()
def getPassText(self):
self.passwordInput = self.passTextbox.get()
def setUserText(self, textEntered):
print "username: "******"password: "******"" and self.passwordInput is not ""):
print "You pressed Submit", self.usernameInput, " ; ",self.passwordInput
# self.cManager.sendRequest(Constants.CMSG_AUTH, self.usernameInput+" "+self.passwordInput);
login_info = self.usernameInput + " " + self.passwordInput
request = self.loginRequest(login_info)
self.cWriter.send(request,self.connection)
self.createSelectionWindow()
else:
print "Please enter in a username and password"
def clickedCancel(self):
print "You pressed Cancel"
exit()
def clickedRegister(self):
print "You pressed Register"
self.createRegisterWindow()
def clickedRegRegister(self):
self.registerUsername = self.regInputUser.get()
self.registerPassword = self.regInputPass.get()
self.registerCPassword = self.regInputCPass.get()
if self.registerPassword == self.registerCPassword:
print "Success (",self.registerUsername, ", ",self.registerPassword,", ",self.registerCPassword,")"
#self.cManager.sendRequest(Constants.CMSG_REGISTER, self.registerUsername+" "+self.registerPassword)
register_info = self.registerUsername + " " + self.registerPassword
request = self.registerRequest(register_info)
self.cWriter.send(request,self.connection)
self.createLoginWindow()
else:
self.failed = OnscreenText(text="Your password does not match Confirm Password.", pos=(-0.5, 0, 1), scale=0.06,fg=(1,0.5,0.5,1), align=TextNode.ACenter,mayChange=0)
self.failed.reparentTo(self.frame)
print "Failed (",self.registerUsername, ", ",self.registerPassword,", ",self.registerCPassword,")"
def clickedRegCancel(self):
self.destroyRegisterWindow()
self.createLoginWindow()
def destroyLoginWindow(self):
self.frame.destroy()
self.username.destroy()
self.password.destroy()
self.userTextbox.destroy()
self.passTextbox.destroy()
self.submitBtn.destroy()
self.registerBtn.destroy()
self.cancelBtn.destroy()
def destroyRegisterWindow(self):
self.frame.destroy()
self.username.destroy()
self.password.destroy()
self.cpassword.destroy()
self.regInputUser.destroy()
self.regInputPass.destroy()
self.regInputCPass.destroy()
self.cancelBtn.destroy()
self.registerBtn.destroy()
self.failed.destroy();
def createLoginWindow(self):
self.frame = DirectFrame(frameColor=(0, 0, 0, 1), #(R,G,B,A)
frameSize=(-1, 1, -1, 1),#(Left,Right,Bottom,Top)
pos=(-0.5, 0, 0.5))
self.username = OnscreenText(text = "username:"******"password: "******"" ,scale=.05,pos=(.1,0,0), command=self.setUserText,initialText="username", numLines = 1,focus=1,focusInCommand=self.clearUserText, focusOutCommand=self.getUserText)
self.passTextbox = DirectEntry(text = "" ,scale=.05,pos=(.1,0, -.2),command=self.setPassText,initialText="password", numLines = 1,focus=0,focusInCommand=self.clearPassText, focusOutCommand=self.getPassText)
self.userTextbox.reparentTo(self.frame)
self.passTextbox.reparentTo(self.frame)
self.submitBtn = DirectButton(text = ("Submit", "Login", "Submit", "disabled"), scale=.08, command=self.func1, pos=(0.8, 0.0, -0.90))
self.registerBtn = DirectButton(text = ("Register", "Register", "Register", "disabled"), scale=.075, command=self.clickedRegister, pos=(0.5, 0.0, -0.90))
self.cancelBtn = DirectButton(text = ("Cancel", "Cancel", "Cancel", "disabled"), scale=.08, command=self.clickedCancel, pos=(0.2, 0.0, -0.90))
self.submitBtn.reparentTo(self.frame)
self.cancelBtn.reparentTo(self.frame)
self.registerBtn.reparentTo(self.frame)
def createRegisterWindow(self):
self.frame = DirectFrame(frameColor=(0, 0, 0, 1), #(R,G,B,A)
frameSize=(-1, 1, -1, 1),#(Left,Right,Bottom,Top)
pos=(-0.5, 0, 0.5))
self.username = OnscreenText(text = "Username:"******"Password: "******"Confirm Password: "******"" ,scale=.05,pos=(.1,0,0), command=self.setUserText,initialText="username", numLines = 1,focus=1,focusInCommand=self.clearUserText, focusOutCommand=self.getUserText)
self.regInputPass = DirectEntry(text = "" ,scale=.05,pos=(.1,0, -.2),command=self.setPassText,initialText="password", numLines = 1,focus=0,focusInCommand=self.clearPassText, focusOutCommand=self.getPassText)
self.regInputCPass = DirectEntry(text = "" ,scale=.05,pos=(.1,0, -.4),command=self.setPassText,initialText="confirm password", numLines = 1,focus=0,focusInCommand=self.clearPassText, focusOutCommand=self.getPassText)
self.regInputUser.reparentTo(self.frame)
self.regInputPass.reparentTo(self.frame)
self.regInputCPass.reparentTo(self.frame)
self.registerBtn = DirectButton(text = ("Register", "Register", "Register", "disabled"), scale=.075, command=self.clickedRegRegister, pos=(0.8, 0.0, -0.90))
self.cancelBtn = DirectButton(text = ("Cancel", "Cancel", "Cancel", "disabled"), scale=.08, command=self.clickedRegCancel, pos=(0.2, 0.0, -0.90))
self.cancelBtn.reparentTo(self.frame)
self.registerBtn.reparentTo(self.frame)
def check(self):
while self.cReader.dataAvailable():
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
data = PyDatagramIterator(datagram)
responseCode = data.getUint16()
if responseCode == 1:
self.getInt(data)
elif responseCode == 201: #login code
if (self.getString(data)=="Unsuccessful login"): #appears if login unsuccessful
print " "
print "Unsuccessful login"
print " "
self.createLoginWindow()
else:
print "Your are logged in" #appear if login successful
self.createLoginWindow()#appears the login options
self.showRalph()
elif responseCode == 203: #register code
if (self.getString(data)=="Registration successful"): #appear if registration was successful
print "You are now registered"
print "Please login" #user must login
print " "
self.createLoginWindow()
else:
print " "#appear if registration wasn't successful
print "Registration was unsuccessful. Pick a different username and please try again "
print " "
self.createLoginWindow()#user must attempt to register again
elif responseCode == 4:
self.getFloat(data)
else:
print "nothing found"
def updateRoutine(self,task):
self.check()
return task.again;
def checkConnection(self, task):
if not self.cReader.isConnectionOk(self.connection):
self.closeConnection()
self.showDisconnected(0)
return task.done
return task.again
def closeConnection(self):
"""Close the current connection with the remote host.
If an existing connection is found, remove both the Main task, which
is responsible for the heartbeat, and the Connection task, which is
responsible for reading packets from the socket, then properly close
the existing connection.
"""
if self.connection != None:
taskMgr.remove('updateRoutine-Main')
taskMgr.remove('updateRoutine-Connection')
taskMgr.remove('checkConnection')
self.cManager.closeConnection(self.connection)
self.connection = None
#function that unpackage the message from server
def getString(self, data):
msg = data.getString()
return msg
#package login request
def loginRequest(self, login_info):
pkg = PyDatagram()
pkg.addUint16(101)
pkg.addString(login_info)
return pkg
#package register request
def registerRequest(self, register_info):
pkg = PyDatagram()
pkg.addUint16(103)
pkg.addString(register_info)
return
def showRalph(self):
self.environ = loader.loadModel("models/square")
self.environ.reparentTo(render)
self.environ.setPos(0,0,0)
self.environ.setScale(100,100,1)
self.moon_tex = loader.loadTexture("models/moon_1k_tex.jpg")
self.environ.setTexture(self.moon_tex, 1)
# Create the main character, Ralph
self.ralph = Actor("models/ralph",
{"run":"models/ralph-run",
"walk":"models/ralph-walk"})
self.ralph.reparentTo(render)
self.ralph.setScale(.2)
self.ralph.setPos(0,0,0)
#character Creation
def createCreateCharWindow(self):
self.frame = DirectFrame(frameColor=(0, 0, 0, 1), #(R,G,B,A)
frameSize=(-3, 3, -3, 3),#(Left,Right,Bottom,Top)
pos=(-0.5, 0, 0.9))
self.buttons = [
DirectRadioButton(text = ' Sword ', variable=self.v, value=[0], scale=0.07, pos=(-0.4,0,0.32), command=self.setText),
DirectRadioButton(text = ' Axe ', variable=self.v, value=[1], scale=0.07, pos=(0.2,0,0.32), command=self.setText)
]
for button in self.buttons:
button.setOthers(self.buttons)
self.nameOfChar = OnscreenText(text = "Name The Character :", pos = (-0.2, -0.75), scale = 0.08,fg=(1,0.5,0.5,1),align=TextNode.ACenter,mayChange=0)
self.nameOfChar.reparentTo(self.frame)
self.nameOfCharTextbox = DirectEntry(text = "" ,scale=.07,pos=(0.25,0, -.75),command=self.setnameOfChar,initialText="name of character", numLines = 1,focus=0,focusInCommand=self.clearnameOfChar, focusOutCommand=self.getnameOfChar)
self.nameOfCharTextbox.reparentTo(self.frame)
self.factionSelection = OnscreenText(text = "Faction Selection :", pos = (-0.15, -0.95), scale = 0.08,fg=(1,0.5,0.5,1),align=TextNode.ACenter,mayChange=0)
self.factionSelection.reparentTo(self.frame)
self.factionBtns = [
DirectRadioButton(text = ' Blue ', variable=self.v1, value=[0], scale=0.07, pos=(-0.05,0,-0.05), command=self.setfaction),
DirectRadioButton(text = ' Red ', variable=self.v1, value=[1], scale=0.07, pos=(0.3,0,-0.05), command=self.setfaction)
]
for button1 in self.factionBtns:
button1.setOthers(self.factionBtns)
self.okForCreateBtn = DirectButton(text = ("Ok", "Ok", "Ok", "disabled"), scale=.08, command=self.clickedOkForCreateBtn, pos=(-0.05, 0.0, -1.25))
self.cancelForCreateBtn = DirectButton(text = ("Cancel", "Cancel", "Cancel", "disabled"), scale=.08, command=self.clickedCancelForCreateBtn, pos=(0.4, 0.0, -1.25))
self.okForCreateBtn.reparentTo(self.frame)
self.cancelForCreateBtn.reparentTo(self.frame)
def destroyCreateCharWindow(self):
self.frame.destroy()
self.nameOfChar.destroy()
self.nameOfCharTextbox.destroy()
self.factionSelection.destroy()
self.okForCreateBtn.destroy()
self.cancelForCreateBtn.destroy()
def clearnameOfChar(self):
self.nameOfCharTextbox.enterText('')
def getnameOfChar(self):
self.nameOfCharInput = self.nameOfCharTextbox.get()
def setnameOfChar(self, textEntered):
print "name Of Char: ",textEntered
self.nameOfChar = textEntered
def clickedOkForCreateBtn(self):
print "you have pressed the ok button for creating a character"
def clickedCancelForCreateBtn(self):
print "you have press the cancel button from the create character frame"
self.destroyCreateCharWindow()
self.createSelectionWindow()
def setText(status=None):
bk_text = "CurrentValue "
def setfaction(status=None):
bk_text = "CurrentValue "
#character deletion
def createDeleteCharWindow(self):
self.frame = DirectFrame(frameColor=(0, 0, 0, 1), #(R,G,B,A)
frameSize=(-3, 3, -3, 3),#(Left,Right,Bottom,Top)
pos=(-0.5, 0, 0.9))
self.selectCharactertodelete = OnscreenText(text = "Select Character :", pos = (-0.02, -0.35), scale = 0.08,fg=(1,0.5,0.5,1),align=TextNode.ACenter,mayChange=0)
self.selectCharactertodelete.reparentTo(self.frame)
self.selectCharacterToDeleteTextbox = DirectEntry(text = "" ,scale=.07,pos=(0.45,0, -.35),command=self.setselectCharacterToDelete,initialText="name of character", numLines = 1,focus=0,focusInCommand=self.clearselectCharacterToDelete, focusOutCommand=self.getselectCharacterToDelete)
self.selectCharacterToDeleteTextbox.reparentTo(self.frame)
self.referenceForDeletion = OnscreenText(text = "Reference to Character List:", pos = (-0.15, -0.75), scale = 0.08,fg=(1,0.5,0.5,1),align=TextNode.ACenter,mayChange=0)
self.referenceForDeletion.reparentTo(self.frame)
self.deleteScrolledList = DirectScrolledList(
decButton_pos= (0.35, 0, 0.53),
decButton_text = "Dec",
decButton_text_scale = 0.04,
decButton_borderWidth = (0.005, 0.005),
incButton_pos= (0.35, 0, -0.02),
incButton_text = "Inc",
incButton_text_scale = 0.04,
incButton_borderWidth = (0.005, 0.005),
pos = (0.7, 0, -0.99),
numItemsVisible = 4,
forceHeight = .11,
itemFrame_frameSize = (-0.6, 0.6, -0.37, 0.11),
itemFrame_pos = (0.35, 0, 0.4))
for playerchar in ['xxxbluesword', 'xxxblueaxe', 'xxxredsword', 'xxxredsword01','xxx_red_sword04']:
l = DirectLabel(text = playerchar, text_scale=0.1)
self.deleteScrolledList.addItem(l)
self.deleteScrolledList.reparentTo(self.frame)
self.deleteBtn = DirectButton(text = ("Delete", "Delete", "Delete", "disabled"), scale=.08, command=self.clickedDelete, pos=(-0.2, 0.0, -1.25))
self.delCancelBtn = DirectButton(text = ("Cancel", "Cancel", "Cancel", "disabled"), scale=.08, command=self.clickedDelCancel, pos=(0.3, 0.0, -1.25))
self.deleteBtn.reparentTo(self.frame)
self.delCancelBtn.reparentTo(self.frame)
def destroyDeleteCharWindow(self):
self.frame.destroy()
self.selectCharactertodelete.destroy()
self.deleteBtn.destroy()
self.delCancelBtn.destroy()
self.selectCharacterToDeleteTextbox.destroy()
self.referenceForDeletion.destroy()
def clearselectCharacterToDelete(self):
self.selectCharacterToDeleteTextbox.enterText('')
def getselectCharacterToDelete(self):
self.selectCharacterToDeleteInput = self.nameOfCharTextbox.get()
def setselectCharacterToDelete(self, textEntered):
print "name Of Char: ",textEntered
self.selectCharacterToDelete = textEntered
def clickedDelete(self):
print "You pressed delete a character"
def clickedDelCancel(self):
print "to go back to slection menu"
self.destroyDeleteCharWindow()
self.createSelectionWindow()
#character Selection
def createSelectionWindow(self):
self.frame = DirectFrame(frameColor=(0, 0, 0, 1), #(R,G,B,A)
frameSize=(-3, 3, -3, 3),#(Left,Right,Bottom,Top)
pos=(-0.5, 0, 0.9))
self.createCharacter = DirectButton(text = ("Create Character","Create Character","Create Character","disabled"), scale=.08, command = self.clickedCreateChar, pos=(-0.14,0.0,-0.25))
self.deleteCharacter = DirectButton(text = ("Delete Character","Delete Character","Delete Character","disabled"), scale=.08, command = self.clickedDeleteChar, pos=(-0.14,0.0,-0.40))
self.createCharacter.reparentTo(self.frame)
self.deleteCharacter.reparentTo(self.frame)
self.selectCharacter = OnscreenText(text = "Select Character :", pos = (-0.12, -0.55), scale = 0.08,fg=(1,0.5,0.5,1),align=TextNode.ACenter,mayChange=0)
self.selectCharacter.reparentTo(self.frame)
self.myScrolledList = DirectScrolledList(
decButton_pos= (0.35, 0, 0.53),
decButton_text = "Dec",
decButton_text_scale = 0.04,
decButton_borderWidth = (0.005, 0.005),
incButton_pos= (0.35, 0, -0.02),
incButton_text = "Inc",
incButton_text_scale = 0.04,
incButton_borderWidth = (0.005, 0.005),
pos = (0.05, 0, -0.3),
numItemsVisible = 4,
forceHeight = .11,
itemFrame_frameSize = (-0.6, 0.6, -0.37, 0.11),
itemFrame_pos = (0.35, 0, 0.4),
)
self.selectCharacterTextbox = DirectEntry(text = "" ,scale=.07,pos=(0.28,0, -.55),command=self.setselectCharacterTextbox,initialText="name of character", numLines = 1,focus=0,focusInCommand=self.clearselectCharacterTextbox, focusOutCommand=self.getselectCharacterTextbox)
self.selectCharacterTextbox.reparentTo(self.frame)
self.referenceForSeletion = OnscreenText(text = "Reference to Character List:\n that already exists", pos = (-0.30, -0.75), scale = 0.08,fg=(1,0.5,0.5,1),align=TextNode.ACenter,mayChange=0)
self.referenceForSeletion.reparentTo(self.frame)
for playerchar in ['xxxbluesword', 'xxxblueaxe', 'xxxredsword', 'xxxredsword01','xxx_red_sword04']:
l = DirectLabel(text = playerchar, text_scale=0.1)
self.myScrolledList.addItem(l)
self.submitBtn = DirectButton(text = ("Start", "Start", "Start", "disabled"), scale=.08, command=self.clickedSubmit, pos=(-0.2, 0.0, -1.45))
self.cancelBtn = DirectButton(text = ("Cancel", "Cancel", "Cancel", "disabled"), scale=.08, command=self.clickedCancel, pos=(0.3, 0.0, -1.45))
self.submitBtn.reparentTo(self.frame)
self.cancelBtn.reparentTo(self.frame)
def destroySelectionWindow(self):
self.frame.destroy()
self.selectCharacter.destroy()
self.createCharacter.destroy()
self.deleteCharacter.destroy()
self.submitBtn.destroy()
self.cancelBtn.destroy()
def clearselectCharacterTextbox(self):
self.selectCharacterTextbox.enterText('')
def getselectCharacterTextbox(self):
self.selectCharacterTextbox = self.selectCharacterTextbox.get()
def setselectCharacterTextbox(self, textEntered):
print "name Of Char: ",textEntered
self.selectCharacterTextbox = textEntered
def clickedCreateChar(self):
print "You pressed create a new character"
self.destroySelectionWindow()
self.createCreateCharWindow()
def clickedDeleteChar(self):
print "You pressed delete a character"
self.destroySelectionWindow()
self.createDeleteCharWindow()
def clickedSubmit(self):
print "you pressed start button"
def clickedCancel(self):
print "You pressed Cancel"
class MyApp(ShowBase):
uname = None
def __init__(self):
ShowBase.__init__(self)
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
host = "localhost";
port = 6002;
self.connection = self.cManager.openTCPClientConnection(host, port, 10000)
self.received = 1
if self.connection:
self.cReader.addConnection(self.connection)
#taskMgr.add(self.updateRoutine, 'updateRoutine')
# LOGIN Request Starts
self.uname = raw_input('Enter username :'******'Enter password :'******'Login')
if(self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram101 = PyDatagram()
prot = 101
myPyDatagram101.addUint16(prot)
myPyDatagram101.addString(self.uname)
myPyDatagram101.addString(self.password)
self.cWriter.send(myPyDatagram101,self.connection)
self.received = 0
taskMgr.add(self.receiveResponse101,'Login')
def sendRequest101(self):
if(self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram101 = PyDatagram()
prot = 101
myPyDatagram101.addUint16(prot)
myPyDatagram101.addString(self.uname)
myPyDatagram101.addString(self.password)
self.cWriter.send(myPyDatagram101,self.connection)
self.received = 0
def receiveResponse101(self,task):
while self.cReader.dataAvailable():
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
self.myIterator = PyDatagramIterator(datagram)
print "<-Server response:"
print self.myIterator.getUint16()
self.msg = self.myIterator.getUint32()
self.l = self.myIterator.getUint32()
if self.msg is not None:
if self.l is not 0:
for x in range(0,self.l):
print self.myIterator.getString()
print self.myIterator.getUint32()
print self.myIterator.getUint32()
print self.msg, " received"
#raw_input("Press Enter to continue...")
self.received = 0
taskMgr.remove('Login')
#1-Character creatopm
#taskMgr.add(self.sendRequest104, 'CharacterCreation')
#2-heartbeat of playgame after login
MyApp.sendRequest113(self)
return task.again
# LOGIN Request End
# CHARACTER CREATION Starts
def sendRequest104(self,task):
if(self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram = PyDatagram()
prot = 104
cname = raw_input('Character Name :')
faction_id_104 = raw_input('press 0 for Red Or 1 for Blue ? :')
classType_104 = raw_input('press 0 for Axe Or 1 for Sword ? :')
myPyDatagram.addUint16(prot)
myPyDatagram.addString(cname)
myPyDatagram.addUint32(faction_id_104)
myPyDatagram.addUint32(classType_104)
self.cWriter.send(myPyDatagram,self.connection)
print "104 sent"
self.received = 0
taskMgr.add(self.receiveResponse104,"characterresponse")
def receiveResponse104(self,task):
while self.cReader.dataAvailable():
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
self.myIterator1 = PyDatagramIterator(datagram)
print '------'
print self.myIterator1.getUint16()
self.msg = self.myIterator1.getUint32()
if self.msg is not None:
print "<-Server response:"
print self.msg, " received"
raw_input("Press Enter to continue...")
self.received = 0
taskMgr.remove('CharacterCreation')
taskMgr.add(self.sendRequest106, 'move')
return task.again
#CHARACTER CREATION Ends
# Move Starts
def sendRequest106(self,task):
if(self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram106 = PyDatagram()
prot = 106
xpos = raw_input('X Position :')
ypos = raw_input('Y Position :')
zpos = raw_input('Z Position :')
hpos = raw_input('Heading (0 to 360):')
ismoving = raw_input('Moving ? -- 0 for NO , 1 for YES :')
myPyDatagram106.addUint16(prot)
myPyDatagram106.addUint32(xpos)
myPyDatagram106.addUint32(ypos)
myPyDatagram106.addUint32(zpos)
myPyDatagram106.addUint32(hpos)
myPyDatagram106.addUint32(ismoving)
self.cWriter.send(myPyDatagram106,self.connection)
self.received = 0
taskMgr.add(self.receiveResponse106,"characterresponse")
def receiveResponse106(self,task):
while self.cReader.dataAvailable():
datagram6 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram6):
myIterator = PyDatagramIterator(datagram6)
print myIterator.getUint16()
msg = myIterator.getString()
if msg is not None:
print "<-Server response:"
print msg
print myIterator.getUint32()
print myIterator.getUint32()
print myIterator.getUint32()
print myIterator.getUint32()
print myIterator.getUint32()
raw_input("Press Enter to continue...")
self.received = 1
# Attack
#raw_input("Press Enter to continue...")
taskMgr.add(self.sendRequest108, 'health')
return task.again
#Move Ends
#Change Health Starts
def sendRequest108(self,task):
if(self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram108 = PyDatagram()
prot = 108
change_Health = raw_input('Change in health (-100 to 100):')
myPyDatagram108.addUint16(prot)
myPyDatagram108.addUint32(change_Health)
self.cWriter.send(myPyDatagram108,self.connection)
self.received = 0
taskMgr.add(self.receiveResponse108,"healthresponse")
def receiveResponse108(self,task):
while self.cReader.dataAvailable():
datagram8 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram8):
myIterator = PyDatagramIterator(datagram8)
print myIterator.getUint16()
msg = myIterator.getString()
if msg is not None:
print "<-Server response:"
print msg
print myIterator.getUint32()
self.received = 1
# CP State
raw_input("Press Enter to continue...")
taskMgr.add(self.sendRequest107, 'attack')
#Change Health Ends
return task.again
# Attack Starts
def sendRequest107(self,task):
if(self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram107 = PyDatagram()
prot = 107
attackId = raw_input('Attack Id (0 or 1):')
myPyDatagram107.addUint16(prot)
myPyDatagram107.addUint32(attackId)
self.cWriter.send(myPyDatagram107,self.connection)
#print " sent"
self.received = 0
taskMgr.add(self.receiveResponse108,"attackresponse")
def receiveResponse107(self,task):
while self.cReader.dataAvailable():
datagram7 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram7):
myIterator = PyDatagramIterator(datagram7)
print myIterator.getUint16()
msg = myIterator.getString()
if msg is not None:
print "<-Server response:"
print msg
print myIterator.getUint32()
raw_input("Press Enter to continue...")
self.received = 1
# Change Health
taskMgr.add(self.sendRequest112, 'CP Capture')
return task.again
#Attack Ends
#CP Capture Starts
def sendRequest112(self,task):
if(self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram112 = PyDatagram()
prot = 112
CP_id = raw_input('Control Point ID (1 to 5): ')
faction_id = raw_input('press 0 for Red Or 1 for Blue ? :')
myPyDatagram112.addUint16(prot)
myPyDatagram112.addUint32(CP_id)
myPyDatagram112.addUint32(faction_id)
self.cWriter.send(myPyDatagram112,self.connection)
#print " sent"
self.received = 0
taskMgr.add(self.receiveResponse112,"CPCaptureRes")
def receiveResponse112(self,task):
while self.cReader.dataAvailable():
datagram12 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram12):
myIterator = PyDatagramIterator(datagram12)
print myIterator.getUint16()
msg = myIterator.getUint32()
if msg is not None:
print "<-Server response:"
print msg
print myIterator.getUint32()
raw_input("Press Enter to continue...")
self.received = 1
#HeartBeat
#raw_input("Press Enter to continue...")
#taskMgr.add(self.communicate105, 'chat')
#CP Capture Ends
# CHAT Starts
def communicate105(self,task):
#print "communicate"
self.sendRequest105()
self.receiveResponse105(task)
return task.again;
def sendRequest105(self):
if(self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram105 = PyDatagram()
prot = 105
chat = raw_input('Insert Chat Message :')
myPyDatagram105.addUint16(prot)
myPyDatagram105.addString(chat)
self.cWriter.send(myPyDatagram105,self.connection)
print " sent"
self.received = 0
def receiveResponse105(self,task):
print "<-Server response:"
while self.cReader.dataAvailable():
datagram5 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram5):
myIterator = PyDatagramIterator(datagram5)
print myIterator.getUint16()
msg = myIterator.getUint16()
print msg, " received"
if msg is not None:
raw_input("Press Enter to continue...")
self.received = 1
# Move
raw_input("Press Enter to continue...")
taskMgr.add(self.communicate111, 'CP state')
#CHAT Ends
#CP State Starts
def communicate111(self,task):
#print "communicate"
self.sendRequest111()
self.receiveResponse111(task)
return task.again;
def sendRequest111(self):
if(self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram111 = PyDatagram()
prot = 111
CP_id = raw_input('Control Point ID (1 to 5): ')
CP_state = raw_input('Control Point state (1 red, 2 blue, 3 purple): ')
myPyDatagram111.addUint16(prot)
myPyDatagram111.addUint16(CP_id)
myPyDatagram111.addUint16(CP_state)
self.cWriter.send(myPyDatagram111,self.connection)
print " sent"
self.received = 0
def receiveResponse111(self,task):
print "<-Server response:"
while self.cReader.dataAvailable():
datagram11 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram11):
myIterator = PyDatagramIterator(datagram11)
print myIterator.getUint16()
msg = myIterator.getUint16()
print msg, " received"
if msg is not None:
raw_input("Press Enter to continue...")
self.received = 1
# CP Capture
raw_input("Press Enter to continue...")
taskMgr.add(self.communicate102, 'Logout')
#CP State Ends
# LOGOUT Starts
def communicate102(self,task):
#print "communicate"
self.sendRequest102()
self.receiveResponse102(task)
return task.again;
def sendRequest102(self):
if(self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram102 = PyDatagram()
prot = 102
myPyDatagram102.addUint16(prot)
self.cWriter.send(myPyDatagram102,self.connection)
print " sent"
self.received = 0
def receiveResponse102(self,task):
print "<-Server response:"
while self.cReader.dataAvailable():
datagram2 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram2):
myIterator = PyDatagramIterator(datagram2)
print myIterator.getUint16()
msg = myIterator.getUint16()
print msg, " received"
if msg is not None:
raw_input("Press Enter to continue...")
self.received = 1
# Register
raw_input("Press Enter to continue...")
taskMgr.add(self.communicate301, 'Heartbeat')
#LOGOUT Ends
#HeartBeat Starts
def communicate301(self):
#print "communicate"
self.sendRequest301()
self.receiveResponse301()
#return task.again;
def sendRequest301(self,task):
if(self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram301 = PyDatagram()
prot = 301
myPyDatagram301.addUint16(prot)
self.cWriter.send(myPyDatagram301,self.connection)
self.received = 0
return task.again
def receiveResponse301(self):
while self.cReader.dataAvailable():
datagram301 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram301):
myIterator = PyDatagramIterator(datagram301)
p = myIterator.getUint16()
if p == 213:
un = myIterator.getString()
cname = myIterator.getString()
ctype = myIterator.getUint32()
cteam = myIterator.getUint32()
if un == MyApp.uname:
abc = 'abc'
else:
print cname+' just joined a game......!! hurray'
#print msg, " received"
self.received = 1
#HeartBeat Ends
#heartbeat
def sendRequest113(self):
if(self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram113 = PyDatagram()
prot = 113
myPyDatagram113.addUint16(prot)
print MyApp.uname+'-------'
if MyApp.uname == 'chintan':
myPyDatagram113.addUint32(18)
elif MyApp.uname == 'paras':
myPyDatagram113.addUint32(35)
else:
myPyDatagram113.addUint32(3)
self.cWriter.send(myPyDatagram113,self.connection)
self.received = 0
#taskMgr.add(self.updateRoutine,'update113')
#taskMgr.doMethodLater(1,self.sendRequest301,'HeatBeat')
MyApp.retrieve113(self)
def retrieve113(self):
taskMgr.add(self.updateRoutine,'update113')
taskMgr.doMethodLater(1,self.sendRequest301,'HeatBeat')
def updateRoutine(self,task):
self.receiveResponse301()
return task.again;
cReader.addConnection(newConnection) # Begin reading connection
return Task.cont
def tskReaderPolling(taskdata):
if cReader.dataAvailable():
datagram = NetDatagram() # catch the incoming data in this instance
# Check the return value; if we were threaded, someone else could have
# snagged this data before we did
if cReader.getData(datagram):
myProcessDataFunction(datagram)
return Task.cont
taskMgr.add(tskListenerPolling, "Poll the connection listener", -39)
taskMgr.add(tskReaderPolling, "Poll the connection reader", -40)
port_address = 9099 # same for client and server
# a valid server URL. You can also use a DNS name
# if the server has one, such as "localhost" or "panda3d.org"
ip_address = "localhost"
# how long until we give up trying to reach the server?
timeout_in_miliseconds = 3000 # 3 seconds
myConnection = cManager.openTCPClientConnection(ip_address, port_address,
timeout_in_miliseconds)
if myConnection:
cReader.addConnection(myConnection) # receive messages from server
class OldNetworkSystem(sandbox.EntitySystem):
def init(self, port=2000, server="127.0.0.1", serverPort=1999, backlog=1000, compress=False):
self.packetCount = 0
self.port = port
self.serverPort = serverPort
self.serverIP = server
self.serverAddress = NetAddress()
self.serverAddress.setHost(server, serverPort)
self.cManager = QueuedConnectionManager()
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.udpSocket = self.cManager.openUDPConnection(self.port)
self.cReader.addConnection(self.udpSocket)
def begin(self):
if self.cReader.dataAvailable():
datagram = NetDatagram() # catch the incoming data in this instance
# Check the return value; if we were threaded, someone else could have
# snagged this data before we did
if self.cReader.getData(datagram):
myIterator = PyDatagramIterator(datagram)
msgID = myIterator.getUint8()
#If not in our protocol range then we just reject
if msgID < 0 or msgID > 200:
return
#Order of these will need to be optimized later
#We now pull out the rest of our headers
remotePacketCount = myIterator.getUint8()
ack = myIterator.getUint8()
acks = myIterator.getUint16()
hashID = myIterator.getUint16()
sourceOfMessage = datagram.getConnection()
if msgID == protocol.NEW_SHIP:
log.info("New ship")
playerPilotID = myIterator.getUint16()
shipID = myIterator.getUint16()
shipName = myIterator.getString()
health = myIterator.getUint8()
position = Point3(myIterator.getFloat32(), myIterator.getFloat32(), myIterator.getFloat32())
linearVelocity = Vec3(myIterator.getFloat32(), myIterator.getFloat32(), myIterator.getFloat32())
rotiation = VBase3(myIterator.getFloat32(), myIterator.getFloat32(), myIterator.getFloat32())
angularVelocity = Vec3(myIterator.getFloat32(), myIterator.getFloat32(), myIterator.getFloat32())
ship = sandbox.addEntity(shipID)
component = ships.PilotComponent()
component.accountEntityID = playerPilotID
ship.addComponent(component)
component = ships.BulletPhysicsComponent()
messenger.send("addSpaceShip", [component, shipName, position, linearVelocity])
ship.addComponent(component)
component = ships.ThrustComponent()
ship.addComponent(component)
component = ships.InfoComponent()
component.health = health
component.name = shipName
ship.addComponent(component)
elif msgID == protocol.PLAYER_MOVED_SHIP:
log.debug("Player moved ship")
accountID = myIterator.getUint16()
shipID = myIterator.getUint16()
print sandbox.components[shipID]
universals.shipNode = sandbox.components[shipID][ships.BulletPhysicsComponent].nodePath
elif msgID == protocol.LOGIN_ACCEPTED:
log.info("Login accepted")
entityID = myIterator.getUint8()
universals.day = myIterator.getFloat32()
elif msgID == protocol.LOGIN_DENIED:
log.info("Login failed")
def genBasicData(self, proto):
myPyDatagram = PyDatagram()
myPyDatagram.addUint8(proto)
myPyDatagram.addUint8(self.packetCount)
myPyDatagram.addUint8(0)
myPyDatagram.addUint16(0)
myPyDatagram.addUint16(0)
self.packetCount += 1
return myPyDatagram
def sendLogin(self, username, hashpassword):
datagram = self.genBasicData(protocol.LOGIN)
datagram.addString(username)
datagram.addString(hashpassword)
universals.log.debug("sending login")
self.sendData(datagram)
def sendData(self, datagram):
sent = self.cWriter.send(datagram, self.udpSocket, self.serverAddress)
while not sent:
print "resending"
sent = self.cWriter.send(datagram, self.udpSocket, self.serverAddress)
class OldNetworkSystem(sandbox.EntitySystem):
def init(self, port=1999, backlog=1000, compress=False):
log.debug("Initing Network System")
self.accept("broadcastData", self.broadcastData)
self.port = port
self.backlog = backlog
self.compress = compress
self.cManager = QueuedConnectionManager()
self.cReader = QueuedConnectionReader(self.cManager, 0)
#self.cReader.setRawMode(True)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.udpSocket = self.cManager.openUDPConnection(self.port)
self.cReader.addConnection(self.udpSocket)
self.activePlayers = [] # PlayerComponent
self.activeConnections = {} # {NetAddress : PlayerComponent}
self.lastAck = {} # {NetAddress: time}
self.startPolling()
self.accept("shipGenerated", self.shipGenerated)
def startPolling(self):
#taskMgr.add(self.tskReaderPolling, "serverListenTask", -40)
taskMgr.doMethodLater(10, self.activeCheck, "activeCheck")
#def tskReaderPolling(self, taskdata):
def begin(self):
if self.cReader.dataAvailable():
datagram = NetDatagram() # catch the incoming data in this instance
# Check the return value; if we were threaded, someone else could have
# snagged this data before we did
if self.cReader.getData(datagram):
myIterator = PyDatagramIterator(datagram)
msgID = myIterator.getUint8()
#If not in our protocol range then we just reject
if msgID < 0 or msgID > 200:
return
self.lastAck[datagram.getAddress()] = datetime.datetime.now()
#TODO Switch to ip address and port
#Order of these will need to be optimized later
#We now pull out the rest of our headers
remotePacketCount = myIterator.getUint8()
ack = myIterator.getUint8()
acks = myIterator.getUint16()
hashID = myIterator.getUint16()
if msgID == protocol.LOGIN:
username = myIterator.getString()
password = myIterator.getString()
if username not in accountEntities:
entity = sandbox.createEntity()
component = AccountComponent()
component.name = username
component.passwordHash = password
if not accountEntities:
component.owner = True
component.address = datagram.getAddress()
entity.addComponent(component)
accountEntities[username] = entity.id
log.info("New player " + username + " logged in.")
#
self.activePlayers.append(component)
self.activeConnections[component.address] = component
ackDatagram = protocol.loginAccepted(entity.id)
self.sendData(ackDatagram, datagram.getAddress())
#TODO: Send initial states?
messenger.send("newPlayerShip", [component, entity])
else:
component = sandbox.entities[accountEntities[username]].get_component(AccountComponent)
if component.passwordHash != password:
log.info("Player " + username + " has the wrong password.")
else:
component.connection = datagram.getConnection()
log.info("Player " + username + " logged in.")
def activeCheck(self, task):
"""Checks for last ack from all known active conenctions."""
for address, lastTime in self.lastAck.items():
if (datetime.datetime.now() - lastTime).seconds > 30:
component = self.activeConnections[address]
#TODO: Disconnect
return task.again
def sendData(self, datagram, address):
self.cWriter.send(datagram, self.udpSocket, address)
def broadcastData(self, datagram):
# Broadcast data out to all activeConnections
#for accountID in accountEntities.items():
#sandbox.entities[accountID].get_component()
for addr in self.activeConnections.keys():
self.sendData(datagram, addr)
def processData(self, netDatagram):
myIterator = PyDatagramIterator(netDatagram)
return self.decode(myIterator.getString())
def shipGenerated(self, ship):
datagram = protocol.newShip(ship)
log.info("Checking if new ship is valid for udp:", self.cWriter.isValidForUdp(datagram))
self.broadcastData(datagram)
datagram = protocol.movedShip(ship)
address = self.getAddress(ship.get_component(ships.PilotComponent).accountEntityID)
self.sendData(datagram, address)
def getAddress(self, entityID):
return sandbox.components[entityID][AccountComponent].address
class TCP():
def __init__(self, _core):
print("TCP Protocol Startup...")
self.core = _core
self.config = self.core.client.config
# Connection on TCP
self.tcpConnection = None
def start(self):
self.setupTCP()
self.startTCPTasks()
def setupTCP(self):
self.tcpManager = QueuedConnectionManager()
self.tcpReader = QueuedConnectionReader(self.tcpManager, 0)
self.tcpWriter = ConnectionWriter(self.tcpManager, 0)
def startTCPTasks(self):
taskMgr.add(self.tcpReaderTask, "tcpReaderTask", -10)
print("TCP Reader Started")
def tcpReaderTask(self, task):
"""
Handle any data from clients by sending it to the Handlers.
"""
while 1:
(datagram, data, opcode) = self.tcpNonBlockingRead(self.tcpReader)
if opcode is MSG_NONE:
# Do nothing or use it as some 'keep_alive' thing.
break
else:
# Handle it
self.core.packetManager.handlePacket(opcode, data)
return Task.cont
# TCP NonBlockingRead??
def tcpNonBlockingRead(self, qcr):
"""
Return a datagram collection and type if data is available on
the queued connection udpReader
"""
if self.tcpReader.dataAvailable():
datagram = NetDatagram()
if self.tcpReader.getData(datagram):
data = DatagramIterator(datagram)
opcode = data.getUint8()
else:
data = None
opcode = MSG_NONE
else:
datagram = None
data = None
opcode = MSG_NONE
# Return the datagram to keep a handle on the data
return (datagram, data, opcode)
def connectToServer(self, _ip, _port):
self.tcpConnection = self.tcpManager.openTCPClientConnection(
_ip, _port, 1000)
if self.tcpConnection != None:
self.tcpReader.addConnection(self.tcpConnection)
class Register_Page(DirectObject):
def __init__(self):
base.setBackgroundColor( 254, 254, 254 )
# sets the background color to black because the
# default grey color bugs me for some reason
self.loginScreen()
# draws the login screen
self.usernameBox['focus'] = 1
# sets the cursor to the username field by default
self.accept('tab', self.cycleLoginBox)
# enables the user to cycle through the text fields with the tab key
# this is a standard feature on most login forms
self.accept('enter', self.attemptLogin)
# submits the login form, or you can just click the Login button
def loginScreen(self):
# creates a basic login screen that asks for a username/password
boxloc = Vec3(0.0, 0.0, 0.0)
# all items in the login form will have a position relative to this
# this makes it easier to shift the entire form around once we have
# some graphics to display with it without having to change the
# positioning of every form element
# p is the position of the form element relative to the boxloc
# coordinates set above it is changed for every form element
p = boxloc + Vec3(-0.5, 0, 0.0)
self.username = OnscreenText(text = "Username:"******"Username: "******"" , pos = p, scale=.05, initialText="", numLines = 1)
# Username textbox where you type in your username
p = boxloc + Vec3(-0.49, -0.1, 0.0)
self.password = OnscreenText(text = "Password:"******"Password: "******"Confirm password:"******"Password: "******"" , pos = p, scale=.05, initialText="", numLines = 1, obscured = 1)
# Password textbox where you type in your password
# Note - obscured = 1 denotes that all text entered will be replaced
# with a * like a standard password box
p = boxloc + Vec3(-0.1, 0, -0.2)
self.password2Box = DirectEntry(text = "" , pos = p, scale=.05, initialText="", numLines = 1, obscured = 1)
# Password textbox where you type in your password
# Note - obscured = 1 denotes that all text entered will be replaced
# with a * like a standard password box
p = boxloc + Vec3(0, 0, -0.3)
self.registerButton = DirectButton(text = ("Register", "Register", "Register", "Register"), pos = p, scale = 0.075, command=self.attemptLogin)
# The 'Login' button that will trigger the attemptLogin function
# when clicked
p = boxloc + Vec3(-0.5, -0.5, 0)
self.statusText = OnscreenText(text = "", pos = p, scale = 0.05, fg = (1, 0, 0, 1), align=TextNode.ALeft)
# A simple text object that you can display an error/status messages
# to the user
def updateStatus(self, statustext):
self.statusText.setText(statustext)
# all this does is change the status text.
def attemptLogin(self):
# checks to make sure the user inputed a username and password:
# if they didn't it will spit out an error message
# if they did, it will try to connect to the login server
# (under construction)
if(self.usernameBox.get() == ""):
if(self.passwordBox.get() == ""):
self.updateStatus("ERROR: You must enter a username and password before logging in.")
else:
self.updateStatus("ERROR: You must specify a username")
self.passwordBox['focus'] = 0
self.usernameBox['focus'] = 1
elif(self.passwordBox.get() == ""):
self.updateStatus("ERROR: You must enter a password")
self.usernameBox['focus'] = 0
self.passwordBox['focus'] = 1
elif(self.password2Box.get() == ""):
self.updateStatus("ERROR: You must confirm the password")
self.passwordBox['focus'] = 0
self.password2Box['focus'] = 1
elif(self.passwordBox.get() != self.password2Box.get()):
self.updateStatus("ERROR: Wrong confirmed password, please enter password again")
self.passwordBox.set("")
self.password2Box.set("")
self.passwordBox['focus'] = 1
self.password2Box['focus'] = 0
self.usernameBox['focus'] = 0
else:
self.updateStatus("Attempting to login...")
print "Attempting to connect to Server with credentials: (" + self.usernameBox.get() + ", " + self.passwordBox.get() + ")"
# this is where the networking code will get put in
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
HOST = "localhost";
PORT = 1234;
self.connection = self.cManager.openTCPClientConnection(HOST, PORT, 10000)
self.received = 1
if self.connection:
self.cReader.addConnection(self.connection)
#taskMgr.add(self.updateRoutine, 'updateRoutine')
taskMgr.doMethodLater(3, self.updateRoutine, 'updateRoutine')
def cycleLoginBox(self):
# function is triggered by the tab key so you can cycle between
# the two input fields like on most login screens
# IMPORTANT: When you change the focus to one of the text boxes,
# you have to unset the focus on the other textbox. If you do not
# do this Panda seems to get confused.
if(self.passwordBox['focus'] == 1):
self.passwordBox['focus'] = 0
self.password2Box['focus'] = 1
self.usernameBox['focus'] = 0
elif(self.usernameBox['focus'] == 1):
self.usernameBox['focus'] = 0
self.passwordBox['focus'] = 1
self.password2Box['focus'] = 0
elif(self.password2Box['focus'] == 1):
self.passwordBox['focus'] = 0
self.password2Box['focus'] = 0
self.usernameBox['focus'] = 1
class Server(DirectObject):
# TODO: Perhaps a better way to do this?
handleNewConnection = None
handleLostConnection = None
def __init__(self, port, backlog=1000, compress=False):
DirectObject.__init__(self)
self.port = port
self.compress = compress
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.passedData = []
self.connect(port, backlog)
self.startPolling()
def connect(self, port, backlog):
# Bind to our socket
tcpSocket = self.cManager.openTCPServerRendezvous(port, backlog)
self.cListener.addConnection(tcpSocket)
def startPolling(self):
self.addTask(self.tskListenerPolling, "serverListenTask", -40)
self.addTask(self.tskDisconnectPolling, "serverDisconnectTask", -39)
def tskListenerPolling(self, task):
if self.cListener.newConnectionAvailable():
rendezvous = PointerToConnection()
netAddress = NetAddress()
newConnection = PointerToConnection()
if self.cListener.getNewConnection(rendezvous, netAddress,
newConnection):
newConnection = newConnection.p()
newConnection.setNoDelay(True)
newConnection.setKeepAlive(True)
if self.handleNewConnection:
self.handleNewConnection(newConnection)
self.cReader.addConnection(
newConnection) # Begin reading connection
return Task.cont
def tskDisconnectPolling(self, task):
while self.cManager.resetConnectionAvailable():
connPointer = PointerToConnection()
self.cManager.getResetConnection(connPointer)
connection = connPointer.p()
# Remove the connection we just found to be "reset" or "disconnected"
self.cReader.removeConnection(connection)
if self.handleLostConnection:
self.handleLostConnection(connection)
return Task.cont
def processData(self, netDatagram):
myIterator = PyDatagramIterator(netDatagram)
return self.decode(myIterator.getString())
def encode(self, data, compress=False):
# encode(and possibly compress) the data with rencode
return rencode.dumps(data, compress)
def decode(self, data):
# decode(and possibly decompress) the data with rencode
return rencode.loads(data)
def sendData(self, data, con):
myPyDatagram = PyDatagram()
myPyDatagram.addString(self.encode(data, self.compress))
self.cWriter.send(myPyDatagram, con)
def passData(self, data, connection):
self.passedData.append((data, connection))
def getData(self):
data = self.passedData
self.passedData = []
while self.cReader.dataAvailable():
datagram = NetDatagram()
if self.cReader.getData(datagram):
data.append(
(datagram.getConnection(), self.processData(datagram)))
return data
class World(DirectObject):
def __init__(self):
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
host = "localhost"
port = 9898
self.connection = self.cManager.openTCPClientConnection(host, port, 10000)
#self.received = 1
#store a dictionary of active players with username player as key value pair
#the dictionary also contain a special player named panda
self.players = {}
#for display the list on the screen
self.temp = []
#store a dictionary of playerObject
self.playerObjects = {}
self.render = render
self.loginSuccessful = False
self.isMoving = False
self.justStoping = False
self.targetPlayer = None
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, 'updateRoutine')
#taskMgr.doMethodLater(0.5, self.updateRoutine, 'updateRoutine')
#taskMgr.add(self.updatePandaAttack, 'updatePandaAttack')
#taskMgr.doMethodLater(3, self.updatePandaAttack, 'updatePandaAttack')
self.loginRegister()
#################Communication Method################
def loginRegister(self):
print "1. Login"
print "2. Register"
userInput = str(raw_input("Enter 1 or 2: "))
if userInput == "1":
self.login()
elif userInput == "2":
self.register();
else:
print "Invalid input"
self.loginRegister()
def register(self):
print "Please enter your username: "******"Please enter your password: "******"{} {} {}".format(REGISTER, username, password)
self.sendRequest(msg)
#define self.username to specify the username for this object
def login(self):
print "Please enter your username: "******"Please enter your password: "******"{} {} {}".format(LOGIN, self.username, password)
self.sendRequest(msg)
#user need to press esc key to logout
def logout(self, x, y, z, h):
print "logout called"
player = self.players[self.username]
msg = "{} {},{},{},{},{}".format(LOGOUT, self.username,
player.getX(), player.getY(), player.getZ(), player.getH())
print msg
self.sendRequest(msg)
sys.exit()
def updateMovement(self, isMove, x, y, z, h):
#send code username,ismove,x,y,z,h to the server according to the protocol
msg = "{} {},{},{},{},{},{}".format(UPDATE_PLAYER_MOVE, self.username, isMove, x, y, z, h)
self.sendRequest(msg)
def possibleAttackRequest(self, distance):
msg = "{} {},{}".format(PANDA_ATTACK_REQUEST, self.username, distance)
self.sendRequest(msg)
def composeStringMessage(self, msg):
myPyDatagram = PyDatagram()
myPyDatagram.addString(msg)
return myPyDatagram
def retrieveStringMessage(self,datagram):
myIterator = PyDatagramIterator(datagram)
msg = myIterator.getString()
#print msg, " received"
return msg
# def sendRequest(self):
# if(self.received):
# print "->Client request:"
# # Send a request to the server
# mylist = ["apple", "ball", "cat", "dog"]
#
# msg = random.choice(mylist)
# request = self.composeStringMessage(msg)
# ack = self.cWriter.send(request,self.connection)
# print msg, " sent"
# self.received = 0
def sendRequest(self, msg):
request = self.composeStringMessage(msg)
ack = self.cWriter.send(request,self.connection)
#print msg, " sent"
#self.received = 0
def receiveResponse(self):
#print "<-Server response:"
while self.cReader.dataAvailable():
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
msg = self.retrieveStringMessage(datagram)
msgs = msg.split(' ')
#print msgs[0]
if msgs[0] == REGISTER_SUCCESSFUL:
self.registerSuccessfulResponse()
elif msgs[0] == USERNAME_EXIST:
self.usernameExistResponse()
elif msgs[0] == LOGIN_SUCCESSFUL:
self.loginSuccessfulResponse(msgs[1])
elif msgs[0] == ADD_NEW_PLAYER:
self.addNewPlayerResponse(msgs[1])
elif msgs[0] == LOGIN_FAIL:
self.loginFailResponse()
elif msgs[0] == LOGOUT:
self.logoutResponse(msgs[1])
elif msgs[0] == UPDATE_PLAYER_MOVE_RESPONSE:
self.updateMoveResponse(msgs[1])
elif msgs[0] == PANDA_ATTACK:
self.pandaAttackResponse(msgs[1])
#self.received = 1
# def communicate(self):
# #print "communicate"
# #self.sendRequest()
# self.receiveResponse()
def updateRoutine(self,task):
#self.communicate()
self.receiveResponse()
return task.again;
def registerSuccessfulResponse(self):
print "You have successfully registered. Please login to start the game."
self.login()
def usernameExistResponse(self):
print "Username already exist. Please choose another username."
self.register()
#initail a dictionary of players
def loginSuccessfulResponse(self, playerListMsg):
actorsMsg = playerListMsg.split(":")
#the dictionary also adds a special player named panda
for aMsg in actorsMsg:
elements = aMsg.split(",")
actor = Player(elements[0], float(elements[1]), float(elements[2]), float(elements[3]),
float(elements[4]))
self.players[elements[0]] = actor
print "login successful"
#display other players' Ralph
for username, value in self.players.iteritems():
if username == self.username:
#display this player's Ralph
self.showRalph(value)
elif username != self.username and username != "panda":
self.createActor(self.render, value)
elif username == "panda":
self.createPanda(self.render, value)
else:
pass
self.loginSuccessful = True
#add new player to the players dictionary
def addNewPlayerResponse(self, msg):
elements = msg.split(",")
actor = Player(elements[0], float(elements[1]), float(elements[2]), float(elements[3]),
float(elements[4]))
self.players[elements[0]] = actor
print "add new player: ", self.players[elements[0]].getUsername(), self.players[elements[0]].getX()
self.createActor(self.render, actor)
###Line's Added###
textMsg = elements[0]+" has logged in"
self.notifyPlayer(textMsg)
def loginFailResponse(self):
print "Username and password does not match, please re-login or register."
self.loginRegister()
def logoutResponse(self, username):
if username in self.players:
del self.players[username]
if username in self.playerObjects:
playerObject = self.playerObjects[username]
playerObject.getActor().delete()
del self.playerObjects[username]
#self.playerObjects
print "{} logout".format(username)
###Lines Added###
msg = username+" has logged out"
self.notifyPlayer(msg)
def notifyPlayer(self,msg):
#label = DirectLabel(text=msg)
label = OnscreenText(text=msg, style=1, fg=(1,1,1,1),
pos=(1.3,-0.95), align=TextNode.ARight, scale = .07)
taskMgr.doMethodLater(5, self.destroyLabel, 'destroyLabel', extraArgs=[label])
def destroyLabel(self,label):
label.destroy()
def updateMoveResponse(self, msg):
if self.loginSuccessful:
#msg contain username,isMoving,x,y,z,h
msgs = msg.split(",")
username = msgs[0]
if username == self.username:
#self already move, no need to update
pass
else:
if username in self.playerObjects.keys():
player = self.players[username]
player.setX(float(msgs[2]))
player.setY(float(msgs[3]))
player.setZ(float(msgs[4]))
actor = self.playerObjects[username].getActor()
actor.setPos(float(msgs[2]), float(msgs[3]), float(msgs[4]))
actor.setH(float(msgs[5]))
self.playerObjects[username].move(msgs[1])
def pandaAttackResponse(self, msg):
#msg contain targetUsername
#print "pan Att: ", msg
#msgs = msg.split(",")
targetUsername = msg
targetPlayer = self.players[targetUsername]
pandaActor = self.pandaObject.getActor()
pandax = pandaActor.getX()
panday = pandaActor.getY()
pandaz = pandaActor.getZ()
x = targetPlayer.getX()
y = targetPlayer.getY()
z = targetPlayer.getZ()
distance = self.getDistance(pandax, panday, pandaz, x, y, z)
if distance < PANDA_ATTACK_RANGE:
if pandax > x and panday > y:
self.pandaObject.setH(135)
elif pandax > x and panday < y:
self.pandaObject.setH(180)
elif pandax < x and panday > y:
self.pandaObject.setH(135)
else:
self.pandaObject.setH(90)
#self.pandaObject.turn(180)
self.pandaObject.move(x-0.5, y-0.5, z)
panda = self.players["panda"]
panda.setX(pandax);
panda.setY(panday);
panda.setZ(pandaz);
#self.setTargetPlayer(msg)
def setTargetPlayer(self, username):
self.targetPlayer = self.players[username]
def getTargetPlayer(self):
return self.targetPlayer
def createActor(self, render, actor):
playerObject = PlayerObject(render, actor)
self.playerObjects[actor.getUsername()] = playerObject
# nameplate = TextNode('textNode username_' + str(actor.username))
# nameplate.setText(actor.username)
# npNodePath = actor.actor.attachNewNode(nameplate)
# npNodePath.setScale(1.0)
# npNodePath.setBillboardPointEye()
# npNodePath.setZ(8.0)
def createPanda(self, render, actor):
self.pandaObject = PandaObject(render, actor)
def checkPossibleAttack(self, x, y, z):
panda = self.players["panda"]
pandax = panda.getX();
panday = panda.getY();
pandaz = panda.getZ();
distance = self.getDistance(pandax, panday, pandaz, x, y, z)
if distance < PANDA_ATTACK_RANGE:
self.possibleAttackRequest(distance)
def getDistance(self, pandax, panday, pandaz, x, y, z):
return math.sqrt( math.pow(pandax-x, 2) + math.pow(panday-y, 2) + math.pow(pandaz-z, 2) )
#################################################################
################Ralph code #####################
def showRalph(self, player):
# self.render = render
self.keyMap = {"left":0, "right":0, "forward":0, "cam-left":0, "cam-right":0}
base.win.setClearColor(Vec4(0,0,0,1))
# Post the instructions
#self.title = addTitle("Panda3D Tutorial: Roaming Ralph (Walking on Uneven Terrain)")
self.inst1 = addInstructions(0.95, "[ESC]: Quit")
self.inst2 = addInstructions(0.90, "[Left Arrow]: Rotate Ralph Left")
self.inst3 = addInstructions(0.85, "[Right Arrow]: Rotate Ralph Right")
self.inst4 = addInstructions(0.80, "[Up Arrow]: Run Ralph Forward")
self.inst6 = addInstructions(0.70, "[A]: Rotate Camera Left")
self.inst7 = addInstructions(0.65, "[S]: Rotate Camera Right")
self.inst8 = addInstructions(0.60, "[l] Show Players on the right corner")
# Set up the environment
#
# This environment model contains collision meshes. If you look
# in the egg file, you will see the following:
#
# <Collide> { Polyset keep descend }
#
# This tag causes the following mesh to be converted to a collision
# mesh -- a mesh which is optimized for collision, not rendering.
# It also keeps the original mesh, so there are now two copies ---
# one optimized for rendering, one for collisions.
self.environ = loader.loadModel("models/world")
self.environ.reparentTo(render)
self.environ.setPos(0,0,0)
# Create the main character, Ralph
ralphStartPos = self.environ.find("**/start_point").getPos()
self.ralph = Actor("models/ralph",
{"run":"models/ralph-run",
"walk":"models/ralph-walk"})
self.ralph.reparentTo(render)
self.ralph.setScale(.2)
#self.ralph.setPos(ralphStartPos)
self.ralph.setPos(player.getX(), player.getY(), player.getZ())
self.ralph.setH(player.getH())
#####################################
# Create a floater object. We use the "floater" as a temporary
# variable in a variety of calculations.
self.floater = NodePath(PandaNode("floater"))
self.floater.reparentTo(render)
# Accept the control keys for movement and rotation
#self.accept("escape", sys.exit)
self.accept("escape", self.logout, [self.ralph.getX(), self.ralph.getY(), self.ralph.getZ(), self.ralph.getH()])
self.accept("arrow_left", self.setKey, ["left",1])
self.accept("arrow_right", self.setKey, ["right",1])
self.accept("arrow_up", self.setKey, ["forward",1])
self.accept("a", self.setKey, ["cam-left",1])
self.accept("s", self.setKey, ["cam-right",1])
self.accept("arrow_left-up", self.setKey, ["left",0])
self.accept("arrow_right-up", self.setKey, ["right",0])
self.accept("arrow_up-up", self.setKey, ["forward",0])
self.accept("a-up", self.setKey, ["cam-left",0])
self.accept("s-up", self.setKey, ["cam-right",0])
taskMgr.add(self.move,"moveTask")
# Game state variables
self.isMoving = False
# Set up the camera
base.disableMouse()
base.camera.setPos(self.ralph.getX(),self.ralph.getY()+10,2)
# We will detect the height of the terrain by creating a collision
# ray and casting it downward toward the terrain. One ray will
# start above ralph's head, and the other will start above the camera.
# A ray may hit the terrain, or it may hit a rock or a tree. If it
# hits the terrain, we can detect the height. If it hits anything
# else, we rule that the move is illegal.
self.cTrav = CollisionTraverser()
self.ralphGroundRay = CollisionRay()
self.ralphGroundRay.setOrigin(0,0,1000)
self.ralphGroundRay.setDirection(0,0,-1)
self.ralphGroundCol = CollisionNode('ralphRay')
self.ralphGroundCol.addSolid(self.ralphGroundRay)
self.ralphGroundCol.setFromCollideMask(BitMask32.bit(0))
self.ralphGroundCol.setIntoCollideMask(BitMask32.allOff())
self.ralphGroundColNp = self.ralph.attachNewNode(self.ralphGroundCol)
self.ralphGroundHandler = CollisionHandlerQueue()
self.cTrav.addCollider(self.ralphGroundColNp, self.ralphGroundHandler)
self.camGroundRay = CollisionRay()
self.camGroundRay.setOrigin(0,0,1000)
self.camGroundRay.setDirection(0,0,-1)
self.camGroundCol = CollisionNode('camRay')
self.camGroundCol.addSolid(self.camGroundRay)
self.camGroundCol.setFromCollideMask(BitMask32.bit(0))
self.camGroundCol.setIntoCollideMask(BitMask32.allOff())
self.camGroundColNp = base.camera.attachNewNode(self.camGroundCol)
self.camGroundHandler = CollisionHandlerQueue()
self.cTrav.addCollider(self.camGroundColNp, self.camGroundHandler)
# Uncomment this line to see the collision rays
#self.ralphGroundColNp.show()
#self.camGroundColNp.show()
# Uncomment this line to show a visual representation of the
# collisions occuring
#self.cTrav.showCollisions(render)
# Create some lighting
ambientLight = AmbientLight("ambientLight")
ambientLight.setColor(Vec4(.3, .3, .3, 1))
directionalLight = DirectionalLight("directionalLight")
directionalLight.setDirection(Vec3(-5, -5, -5))
directionalLight.setColor(Vec4(1, 1, 1, 1))
directionalLight.setSpecularColor(Vec4(1, 1, 1, 1))
render.setLight(render.attachNewNode(ambientLight))
render.setLight(render.attachNewNode(directionalLight))
#Records the state of the arrow keys
def setKey(self, key, value):
self.keyMap[key] = value
'''method to show player list'''
def showPlayers(self, set):
for i in self.temp:
i.destroy()
self.temp = []
y=[]
i = 0
while(i!=set.__len__()):
y.append(0.95-(i*0.05))
i=i+1
i = 0
while(i!=y.__len__()):
if set[i] == "panda":
pass
else:
self.temp.append(OnscreenText(text=set[i], style=1, fg=(1,1,1,1),
pos=(1.3, y[i]), align=TextNode.ARight, scale = .07))
i=i+1
# Accepts arrow keys to move either the player or the menu cursor,
# Also deals with grid checking and collision detection
def move(self, task):
'''Call to Show player list'''
x = self.players.keys()
self.accept("l", self.showPlayers, [x])
''' call end '''
# If the camera-left key is pressed, move camera left.
# If the camera-right key is pressed, move camera right.
base.camera.lookAt(self.ralph)
if (self.keyMap["cam-left"]!=0):
base.camera.setX(base.camera, -20 * globalClock.getDt())
if (self.keyMap["cam-right"]!=0):
base.camera.setX(base.camera, +20 * globalClock.getDt())
# save ralph's initial position so that we can restore it,
# in case he falls off the map or runs into something.
startpos = self.ralph.getPos()
# If a move-key is pressed, move ralph in the specified direction.
if (self.keyMap["left"]!=0):
self.ralph.setH(self.ralph.getH() + 300 * globalClock.getDt())
if (self.keyMap["right"]!=0):
self.ralph.setH(self.ralph.getH() - 300 * globalClock.getDt())
if (self.keyMap["forward"]!=0):
self.ralph.setY(self.ralph, -25 * globalClock.getDt())
# If ralph is moving, loop the run animation.
# If he is standing still, stop the animation.
if (self.keyMap["forward"]!=0) or (self.keyMap["left"]!=0) or (self.keyMap["right"]!=0):
if self.isMoving is False:
self.ralph.loop("run")
self.isMoving = True
self.justStoping = False
else:
if self.isMoving:
self.ralph.stop()
self.ralph.pose("walk",5)
self.isMoving = False
self.justStoping = True
#print self.ralph.getX(), self.ralph.getY(), self.ralph.getZ(), self.ralph.getH()
if(self.isMoving or self.justStoping):
self.updateMovement(self.isMoving, self.ralph.getX(), self.ralph.getY(),
self.ralph.getZ(), self.ralph.getH())
#check if in panda attach range
self.checkPossibleAttack(self.ralph.getX(), self.ralph.getY(), self.ralph.getZ())
player = self.players[self.username]
player.setX(self.ralph.getX())
player.setY(self.ralph.getY())
player.setZ(self.ralph.getZ())
player.setH(self.ralph.getH())
self.justStoping = False
# If the camera is too far from ralph, move it closer.
# If the camera is too close to ralph, move it farther.
camvec = self.ralph.getPos() - base.camera.getPos()
camvec.setZ(0)
camdist = camvec.length()
camvec.normalize()
if (camdist > 10.0):
base.camera.setPos(base.camera.getPos() + camvec*(camdist-10))
camdist = 10.0
if (camdist < 5.0):
base.camera.setPos(base.camera.getPos() - camvec*(5-camdist))
camdist = 5.0
# Now check for collisions.
self.cTrav.traverse(render)
# Adjust ralph's Z coordinate. If ralph's ray hit terrain,
# update his Z. If it hit anything else, or didn't hit anything, put
# him back where he was last frame.
entries = []
for i in range(self.ralphGroundHandler.getNumEntries()):
entry = self.ralphGroundHandler.getEntry(i)
entries.append(entry)
entries.sort(lambda x,y: cmp(y.getSurfacePoint(render).getZ(),
x.getSurfacePoint(render).getZ()))
if (len(entries)>0) and (entries[0].getIntoNode().getName() == "terrain"):
self.ralph.setZ(entries[0].getSurfacePoint(render).getZ())
else:
self.ralph.setPos(startpos)
# Keep the camera at one foot above the terrain,
# or two feet above ralph, whichever is greater.
entries = []
for i in range(self.camGroundHandler.getNumEntries()):
entry = self.camGroundHandler.getEntry(i)
entries.append(entry)
entries.sort(lambda x,y: cmp(y.getSurfacePoint(render).getZ(),
x.getSurfacePoint(render).getZ()))
if (len(entries)>0) and (entries[0].getIntoNode().getName() == "terrain"):
base.camera.setZ(entries[0].getSurfacePoint(render).getZ()+1.0)
if (base.camera.getZ() < self.ralph.getZ() + 2.0):
base.camera.setZ(self.ralph.getZ() + 2.0)
# The camera should look in ralph's direction,
# but it should also try to stay horizontal, so look at
# a floater which hovers above ralph's head.
self.floater.setPos(self.ralph.getPos())
self.floater.setZ(self.ralph.getZ() + 2.0)
base.camera.lookAt(self.floater)
return task.cont
class Server:
def __init__(self):
self.activeConnections = [] # lists all connections
self.players = {} # keys are the players logins, values are the players datagram connections
self.parties = {} # keys are the parties names, values are dicts representing parties data
self.sessions = {} # keys are the datagram connections, values are dicts storing the characters of the player and its party
self.playersinlobby = [] # lists players in the party screen
self.charid = 0 # used for random team generation
self.chars = [] # lists of dicts representing characters data
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cReader.setTcpHeaderSize(4)
self.send = Send(self.cManager)
port = 3001
if len(sys.argv) > 1:
port = sys.argv[1]
self.tcpSocket = self.cManager.openTCPServerRendezvous(port, 10)
self.cListener.addConnection(self.tcpSocket)
print("Server listening on port", port)
taskMgr.add(self.tskListenerPolling, "Poll the connection listener", -39)
taskMgr.add(self.tskReaderPolling, "Poll the connection reader", -40)
def processData(self, datagram):
iterator = PyDatagramIterator(datagram)
source = datagram.getConnection()
callback = iterator.getString()
getattr(globals()[callback], 'execute')(self, iterator, source)
def updateAllPartyLists(self):
parties = deepcopy(self.parties)
for party in list(parties.values()):
del party['map']['tiles']
for player in self.playersinlobby:
self.send.UPDATE_PARTY_LIST(parties, player)
def tskListenerPolling(self, taskdata):
if self.cListener.newConnectionAvailable():
rendezvous = PointerToConnection()
netAddress = NetAddress()
newConnection = PointerToConnection()
if self.cListener.getNewConnection(rendezvous, netAddress, newConnection):
newConnection = newConnection.p()
self.activeConnections.append(newConnection)
self.cReader.addConnection(newConnection)
print('A new client is connected', newConnection)
return Task.cont
def tskReaderPolling(self, taskdata):
if self.cReader.dataAvailable():
datagram=NetDatagram()
if self.cReader.getData(datagram):
self.processData(datagram)
return Task.cont
class ConnectionManager:
def __init__(self):
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.rqTable = ServerRequestTable()
self.rsTable = ServerResponseTable()
self.connection = None
def startConnection(self):
"""Create a connection with the remote host.
If a connection can be created, create a task with a sort value of -39
to read packets from the socket.
"""
try:
if self.connection == None:
self.connection = self.cManager.openTCPClientConnection(
Constants.SERVER_IP, Constants.SERVER_PORT, 1000)
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, 'updateRoutine-Connection',
-39)
taskMgr.doMethodLater(5, self.checkConnection,
'checkConnection')
return True
except:
pass
return False
def closeConnection(self):
"""Close the current connection with the remote host.
If an existing connection is found, remove both the Main2 task, which
is responsible for the heartbeat, and the Connection task, which is
responsible for reading packets from the socket, then properly close
the existing connection.
"""
if self.connection != None:
taskMgr.remove('updateRoutine-Main2')
taskMgr.remove('updateRoutine-Connection')
taskMgr.remove('checkConnection')
self.cManager.closeConnection(self.connection)
self.connection = None
def sendRequest(self, requestCode, args={}):
"""Prepare a request packet to be sent.
If the following request code exists, create an instance of this
specific request using any extra arguments, then properly send it to
the remote host.
"""
if self.connection != None:
request = self.rqTable.get(requestCode)
if request != None:
request.set(self.cWriter, self.connection)
request.send(args)
def handleResponse(self, responseCode, data):
"""Prepare a response packet to be processed.
If the following response code exists, create an instance of this
specific response using its data to be executed.
"""
response = self.rsTable.get(responseCode)
if response != None:
#response.set(main)
response.execute(data)
def checkConnection(self, task):
if not self.cReader.isConnectionOk(self.connection):
self.closeConnection()
self.showDisconnected(0)
return task.done
return task.again
def updateRoutine(self, task):
"""A once-per-frame task used to read packets from the socket."""
while self.cReader.dataAvailable():
# Create a datagram to store all necessary data.
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
# Prepare the datagram to be iterated.
data = PyDatagramIterator(datagram)
# Retrieve a "short" that contains the response code.
responseCode = data.getUint16()
# Pass into another method to execute the response.
if responseCode != Constants.MSG_NONE:
self.handleResponse(responseCode, data)
return task.cont
class NetworkManager:
def __init__(self):
print "Network Manager Started"
def connection_open(self):
self.cManager = QueuedConnectionManager()
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager,0)
self.activeConnections=[] # We'll want to keep track of these later
self.cListener = QueuedConnectionListener(self.cManager, 0)
port_address=9099 #No-other TCP/IP services are using this port
backlog=1000 #If we ignore 1,000 connection attempts, something is wrong!
self.tcpSocket = self.cManager.openTCPServerRendezvous(port_address,backlog)
self.cListener.addConnection(self.tcpSocket)
print "Network Connection Opened"
taskMgr.add(self.tskListenerPolling,"Poll the connection listener",-39)
taskMgr.add(self.tskReaderPolling,"Poll the connection reader",-40)
def connection_close(self):
for aClient in self.activeConnections:
self.cReader.removeConnection(aClient)
self.activeConnections=[]
# close down our listener
self.cManager.closeConnection(self.tcpSocket)
print "Network Connection Closed"
def tskListenerPolling(self, taskdata):
if self.cListener.newConnectionAvailable():
rendezvous = PointerToConnection()
netAddress = NetAddress()
newConnection = PointerToConnection()
if self.cListener.getNewConnection(rendezvous,netAddress,newConnection):
newConnection = newConnection.p()
self.activeConnections.append(newConnection) # Remember connection
self.cReader.addConnection(newConnection) # Begin reading connection
return Task.cont
def tskReaderPolling(self, taskdata):
if self.cReader.dataAvailable():
datagram=NetDatagram() # catch the incoming data in this instance
# Check the return value; if we were threaded, someone else could have
# snagged this data before we did
if self.cReader.getData(datagram):
if base.client == True:
self.client_processing(datagram)
else:
self.server_processing(datagram)
return Task.cont
def server_messager(self,msg,args=[]):
if msg == "map_set":
order = PyDatagram()
order.addUint16(MAP_SET)
order.addInt32(args[0])
self.send_package(order)
elif msg == "client_update":
order = PyDatagram()
order.addUint16(CLIENT_INIT_UPDATE)
order.addString(args[0])
order.addString(args[1])
order.addInt32(args[2])
order.addInt32(args[3])
self.send_package(order)
elif msg == "chat_send":
r = args[0][0]
g = args[0][1]
b = args[0][2]
order = PyDatagram()
order.addUint16(SERVER_CHAT)
order.addInt32(r)
order.addInt32(g)
order.addInt32(b)
order.addString(args[1])
self.send_package(order)
base.menu_manager.menus["mp-game"].chat_add((r,g,b,1),args[1])
elif msg == "ready_button":
order = PyDatagram()
order.addUint16(SERVER_READY)
order.addInt32(args[0])
order.addInt32(args[1])
self.send_package(order)
base.menu_manager.menus["mp-game"].obj_list[args[0]]["indicatorValue"]=args[1]
base.menu_manager.menus["mp-game"].start_game_check()
elif msg == "server_loaded":
order = PyDatagram()
order.addUint16(SERVER_LOADED)
self.send_package(order)
elif msg == "all_loaded":
order = PyDatagram()
order.addUint16(ALL_LOADED)
self.send_package(order)
elif msg == "game_start":
order = PyDatagram()
order.addUint16(GAME_START)
self.send_package(order)
elif msg == "army_kill":
order = PyDatagram()
order.addUint16(ARMY_KILL)
order.addInt32(args[0])
self.send_package(order)
elif msg == "build_start":
order = PyDatagram()
order.addUint16(BUILD_START)
order.addInt32(args[0])
order.addInt8(args[1])
order.addString(args[2])
self.send_package(order)
elif msg == "tower_capture":
order = PyDatagram()
order.addUint16(TOWER_CAPTURE)
order.addInt32(args[0])
order.addInt8(args[1])
self.send_package(order)
elif msg == "build_complete":
order = PyDatagram()
order.addUint16(BUILD_COMPLETE)
order.addInt32(args[0])
order.addInt8(args[1])
order.addString(args[2])
self.send_package(order)
elif msg == "build_cancel":
order = PyDatagram()
order.addUint16(BUILD_CANCEL)
order.addInt32(args[0])
self.send_package(order)
elif msg == "battle_start":
order = PyDatagram()
order.addUint16(BATTLE_START)
order.addInt32(args[0])
order.addFloat32(args[1])
order.addFloat32(args[2])
order.addInt32(args[3])
order.addFloat32(args[4])
order.addFloat32(args[5])
order.addInt32(args[6])
self.send_package(order)
elif msg == "battle_clash":
order = PyDatagram()
order.addUint16(BATTLE_CLASH)
order.addInt32(args[0])
order.addInt32(args[1])
order.addInt32(args[2])
order.addString(args[3])
order.addInt8(args[4])
self.send_package(order)
elif msg == "battle_turn":
order = PyDatagram()
order.addUint16(BATTLE_TURN)
order.addInt32(args[0])
order.addInt32(args[1])
self.send_package(order)
elif msg == "battle_end":
order = PyDatagram()
order.addUint16(BATTLE_END)
order.addInt32(args[0])
self.send_package(order)
elif msg == "battle_armyadd":
order = PyDatagram()
order.addUint16(BATTLE_ARMYADD)
order.addInt32(args[0])
order.addInt32(args[1])
order.addFloat32(args[2])
order.addFloat32(args[3])
self.send_package(order)
def client_messager(self,msg,args=[]):
if msg == "chat_send":
order = PyDatagram()
order.addUint16(CLIENT_CHAT)
order.addInt32(args[0][0])
order.addInt32(args[0][1])
order.addInt32(args[0][2])
order.addString(args[1])
self.send_package(order)
elif msg == "ready_button":
order = PyDatagram()
order.addUint16(CLIENT_READY)
order.addInt32(args[0])
order.addInt32(args[1])
self.send_package(order)
elif msg == "client_loaded":
order = PyDatagram()
order.addUint16(CLIENT_LOADED)
self.send_package(order)
elif msg == "game_init_request":
order = PyDatagram()
order.addUint16(CLIENT_INIT_REQUEST)
order.addString(args[0])
order.addString(args[1])
self.send_package(order)
elif msg == "build_start_request":
order = PyDatagram()
order.addUint16(BUILD_START_REQUEST)
order.addInt32(args[0])
order.addInt32(args[1])
order.addString(args[2])
self.send_package(order)
elif msg == "build_cancel_request":
order = PyDatagram()
order.addUint16(BUILD_CANCEL_REQUEST)
order.addInt32(args[0])
self.send_package(order)
def client_processing(self,datagram):
data_iter = PyDatagramIterator(datagram)
msgID = data_iter.getUint16()
if msgID == PRINT_MESSAGE:
messageToPrint = data_iter.getString()
print messageToPrint
if msgID == ARMY_MOVE:
army_id = data_iter.getInt16()
ax = data_iter.getFloat64()
ay = data_iter.getFloat64()
tx = data_iter.getFloat64()
ty = data_iter.getFloat64()
base.armies[army_id].node_path.setX(ax)
base.armies[army_id].node_path.setY(ay)
base.armies[army_id].move_to_point(tx,ty)
if msgID == CLIENT_INIT_UPDATE:
p1_name = data_iter.getString()
p1_kingdom = data_iter.getString()
p1_ready = data_iter.getInt32()
game_map = data_iter.getInt32()
base.menu_manager.menus["mp-game"].client_update(p1_name,p1_kingdom,p1_ready,game_map)
if msgID == SERVER_CHAT:
r = data_iter.getInt32()
g = data_iter.getInt32()
b = data_iter.getInt32()
text = data_iter.getString()
base.menu_manager.menus["mp-game"].chat_add((r,g,b),text)
if msgID == SERVER_READY:
but_id = data_iter.getInt32()
state = data_iter.getInt32()
base.menu_manager.menus["mp-game"].obj_list[but_id]["indicatorValue"]=state
base.menu_manager.menus["mp-game"].start_game_check()
if msgID == SERVER_LOADED:
base.menu_manager.menus["mp-load"].load()
if msgID == ALL_LOADED:
base.menu_manager.menus["mp-load"].load_complete()
if msgID == GAME_START:
base.menu_manager.menu_goto("mp-load")
if msgID == MAP_SET:
map = data_iter.getInt32()
base.menu_manager.menus["mp-game"].map_selected = map
mapname = base.menu_manager.menus["mp-game"].maplist[map]["fullname"]
mapimage = base.menu_manager.menus["mp-game"].maplist[map]["preview"]
base.menu_manager.menus["mp-game"].obj_list[11]["text"]=mapname
base.menu_manager.menus["mp-game"].obj_list[10].setImage(mapimage)
if msgID == BATTLE_TURN:
bat = data_iter.getInt32()
turn = data_iter.getInt32()
base.battles[bat].turn_change(turn)
if msgID == BATTLE_START:
a1 = data_iter.getInt32()
a1_x = data_iter.getFloat32()
a1_y = data_iter.getFloat32()
a2 = data_iter.getInt32()
a2_x = data_iter.getFloat32()
a2_y = data_iter.getFloat32()
army_start = data_iter.getInt32()
base.armies[a1].stop()
base.armies[a2].stop()
base.armies[a1].node_path.setPos(a1_x,a1_y,0)
base.armies[a2].node_path.setPos(a2_x,a2_y,0)
base.battles.append(TimObjects.Battle([base.armies[a1],base.armies[a2]],army_start))
if msgID == BATTLE_CLASH:
battle = data_iter.getInt32()
a1 = data_iter.getInt32()
a2 = data_iter.getInt32()
result = data_iter.getString()
buff = data_iter.getInt8()
base.battles[battle].clash(base.armies[a1],base.armies[a2],result,buff)
if msgID == BATTLE_ARMYADD:
bat = data_iter.getInt32()
army = data_iter.getInt32()
a_x = data_iter.getFloat32()
a_y = data_iter.getFloat32()
base.battles[bat].add_army(base.armies[army])
base.armies[army].node_path.setPos(a_x,a_y,0)
if msgID == BATTLE_END:
bat = data_iter.getInt32()
base.battles[bat].end()
if msgID == BUILD_START:
t_id = data_iter.getInt32()
player = data_iter.getInt8()
type = data_iter.getString()
base.towers[t_id].build_start()
if msgID == TOWER_CAPTURE:
t_id = data_iter.getInt32()
player = data_iter.getInt8()
base.towers[t_id].change_owner(player)
if msgID == BUILD_CANCEL:
t_id = data_iter.getInt32()
base.towers[t_id].build_cancel()
if msgID == BUILD_COMPLETE:
t_id = data_iter.getInt32()
player = data_iter.getInt8()
type = data_iter.getString()
base.towers[t_id].create_counter()
def server_processing(self,datagram):
data_iter = PyDatagramIterator(datagram)
msgID = data_iter.getUint16()
if msgID == PRINT_MESSAGE:
messageToPrint = data_iter.getString()
print messageToPrint
if msgID == ARMY_MOVE_REQUEST:
army_id = data_iter.getInt16()
ax = data_iter.getFloat64()
ay = data_iter.getFloat64()
tx = data_iter.getFloat64()
ty = data_iter.getFloat64()
base.armies[army_id].set_target(False,tx,ty)
if msgID == CLIENT_CHAT:
r = data_iter.getInt32()
g = data_iter.getInt32()
b = data_iter.getInt32()
text = data_iter.getString()
self.server_messager("chat_send",[(r,g,b),text])
#base.main_menu.chat_add((r,g,b,1),text)
if msgID == CLIENT_READY:
but_id = data_iter.getInt32()
state = data_iter.getInt32()
self.server_messager("ready_button",[but_id,state])
#base.main_menu.chat_add((r,g,b,1),text)
if msgID == CLIENT_LOADED:
self.server_messager("all_loaded",[])
base.menu_manager.menus["mp-load"].load_complete()
if msgID == CLIENT_INIT_REQUEST:
pn = data_iter.getString()
pk = data_iter.getString()
base.menu_manager.menus["mp-game"].obj_list[6]["text"] = pn
base.menu_manager.menus["mp-game"].obj_list[7]["text"] = pk
self.server_messager("client_update",[base.menu_manager.menus["mp-game"].obj_list[4]["text"],
base.menu_manager.menus["mp-game"].obj_list[5]["text"],
base.menu_manager.menus["mp-game"].obj_list[8]["indicatorValue"],
base.menu_manager.menus["mp-game"].map_selected])
if msgID == BUILD_START_REQUEST:
t_id = data_iter.getInt32()
player = data_iter.getInt32()
type = data_iter.getString()
base.towers[t_id].build_start()
if msgID == BUILD_CANCEL_REQUEST:
t_id = data_iter.getInt32()
player = data_iter.getInt32()
type = data_iter.getString()
base.towers[t_id].build_cancel()
def msgAllClients(self):
myPyDatagram=self.myNewPyDatagram() # build a datagram to send
for aClient in self.activeConnections:
self.cWriter.send(myPyDatagram,aClient)
def send_package(self,package):
# print "packaged"
for aClient in self.activeConnections:
print "Package",package,"sent"
self.cWriter.send(package,aClient)
def army_move(self,army_id,tx,ty):
order = PyDatagram()
if base.client == True:
order.addUint16(ARMY_MOVE_REQUEST)
else:
order.addUint16(ARMY_MOVE)
ax = base.armies[army_id].node_path.getX()
ay = base.armies[army_id].node_path.getY()
order.addInt16(army_id)
order.addFloat64(ax)
order.addFloat64(ay)
order.addFloat64(tx)
order.addFloat64(ty)
if base.client == True:
self.cWriter.send(order,base.server_connection)
else:
self.send_package(order)
base.armies[army_id].move_to_point(tx,ty)
def tower_train(self,tower_id,build_object):
order = PyDatagram()
if base.client == True:
order.addUint16(REQUEST_TOWER_TRAIN)
else:
order.addUint16(TOWER_TRAIN)
order.addInt16(army_id)
order.addFloat64(tx)
order.addFloat64(ty)
if base.client == True:
self.cWriter.send(order,base.server_connection)
else:
self.send_package(order)
base.towers[tower_id].train_counter()
# def request_army_move(self,army_id,tx,ty):
# order = PyDatagram()
# order.addUint16(REQUEST_MOVE_COUNTER)
# order.addInt16(army_id)
# order.addFloat64(tx)
# order.addFloat64(ty)
# self.cWriter.send(order,base.server_connection)
def myNewPyDatagram(self):
# Send a test message
myPyDatagram = PyDatagram()
myPyDatagram.addUint16(PRINT_MESSAGE)
myPyDatagram.addString("You got ze message!")
return myPyDatagram
def client_connect(self,ip):
port_address=9099 # same for client and server
# a valid server URL. You can also use a DNS name
# if the server has one, such as "localhost" or "panda3d.org"
ip_address=ip
# how long until we give up trying to reach the server?
timeout_in_miliseconds=3000 # 3 seconds
base.server_connection=self.cManager.openTCPClientConnection(ip_address,port_address,timeout_in_miliseconds)
if base.server_connection:
self.cReader.addConnection(base.server_connection) # receive messages from server
self.activeConnections.append(base.server_connection)
print "Connected to server",ip
return True
print "Connection failed"
return False
class MyApp(ShowBase):
def __init__(self):
ShowBase.__init__(self)
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.player = Player()
self.opponents = dict()
self.logStat = -1
host = "localhost"
port = 9252
self.connection = self.cManager.openTCPClientConnection(
host, port, 10000)
self.received = 1
self.playersText = []
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, 'updateRoutine')
taskMgr.add(self.login, 'login')
#taskMgr.doMethodLater(3, self.updateRoutine, 'updateRoutine')
taskMgr.doMethodLater(.1, self.heartbeat, 'heartbeat')
self.accept("q", self.listPlayers)
self.accept("q-up", self.delistPlayers)
self.accept("escape", self.disconnect)
self.accept("arrow_up", self.move)
def login(self, task):
self.option = 0
self.option = str(raw_input("1-Login\n2-Register\n"))
if self.option == "1":
un = str(raw_input("Username: "******"Password: "******"2":
un = str(raw_input("Username: "******"Password: "******"data here"
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
data = PyDatagramIterator(datagram)
responseCode = data.getUint16()
print responseCode
if responseCode == 201:
self.getPlayer(data)
elif responseCode == 202:
self.register(data)
elif responseCode == 203:
self.getOpponent(data)
elif responseCode == 214:
self.movePlayer(data)
elif responseCode == 219:
self.dropPlayer(data)
else:
print "nothing found"
def heartbeat(self, task):
pkg = PyDatagram()
pkg.addUint16(113)
self.cWriter.send(pkg, self.connection)
return task.again
def updateRoutine(self, task):
self.check()
return task.again
def getPlayer(self, data):
self.logStat = data.getUint16()
if self.logStat == 0:
self.player.id = data.getInt32()
self.player.username = data.getString()
self.player.x = data.getFloat32()
self.player.y = data.getFloat32()
self.player.z = data.getFloat32()
self.player.rotation = data.getFloat32()
else:
print "login failed"
taskMgr.add(self.login, 'login')
def register(self, data):
self.logStat = data.getUint16()
if self.logStat == 0:
print "Account Made"
taskMgr.add(self.login, 'login')
else:
print "Username Taken"
taskMgr.add(self.login, 'login')
def listPlayers(self):
i = 0.55
for p in self.opponents:
self.playersText.append(
addInstructions(
i, self.opponents[p].username + " " +
"{:.2f}".format(self.opponents[p].x) + " " +
"{:.2f}".format(self.opponents[p].y) + " " +
"{:.2f}".format(self.opponents[p].z) + " " +
"{:.2f}".format(self.opponents[p].rotation)))
i -= 0.05
def delistPlayers(self):
for x in self.playersText:
x.destroy()
def getOpponent(self, data):
opponent = Player()
opponent.id = data.getInt32()
opponent.username = data.getString()
opponent.x = data.getFloat32()
opponent.y = data.getFloat32()
opponent.z = data.getFloat32()
opponent.rotation = data.getFloat32()
self.opponents[opponent.id] = opponent
class MyApp(ShowBase):
def __init__(self):
ShowBase.__init__(self)
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
host = "localhost"
port = 9252
self.connection = self.cManager.openTCPClientConnection(host, port, 10000)
self.received = 1
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, 'updateRoutine')
print 'Hello You Are Now Connected To The Server'
#self.heartbeat()
self.options()
#options for the clients when game starts
def options(self):
self.option = 0
self.option = str(raw_input("Please Selection An Option\n1-Enter Chat\n2-Messages\n3-Quit\n"))
if self.option == "1":
self.chat()
if self.option == "2":
self.messages()
if self.option == "3":
sys.exit(0)
#function to chat
def chat(self):
self.username = ""
self.message = ""
self.username = str(raw_input("Please enter your username: "******"Please enter your message: "))
chat_message = self.username + " " + self.message
request = self.chatRequest(chat_message)
self.cWriter.send(request,self.connection)
#package chat request
def chatRequest(self, chat_info):
pkg = PyDatagram()
pkg.addUint16(112)
pkg.addString(chat_info)
return pkg
#message options for the clients when game starts
def messages(self):
self.option = 0
self.option = str(raw_input("Please Selection An Option\n1-Send A Message\n2-Check Messages\n3-Return\n"))
if self.option == "1":
self.message()
if self.option == "2":
self.checkMessages()
if self.option == "3":
self.options()
#function to message
def checkMessages(self):
self.username = str(raw_input("Please enter your username: "******""
self.to_Username = "******"
self.message = ""
self.from_Username = str(raw_input("Please enter your username: "******"Please enter which username you want to send the message: "))
self.message = str(raw_input("Please enter your message: "))
chat_message = self.from_Username + " " +self.to_Username+ " " + self.message
request = self.messageRequest(chat_message)
self.cWriter.send(request,self.connection)
#package message request
def messageRequest(self, chat_info):
pkg = PyDatagram()
pkg.addUint16(115)
pkg.addString(chat_info)
return pkg
#check for messages for server
def check(self):
while self.cReader.dataAvailable():
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
data = PyDatagramIterator(datagram)
responseCode = data.getUint16()
if responseCode == 212:
print self.getString(data)
self.options()
elif responseCode == 201: #login code
if (self.getString(data)=="Unsuccessful login"): #appears if login unsuccessful
print " "
print "Unsuccessful login"
print " "
self.options()
else:
print "Your are logged in" #appear if login successful
self.login_options()#appears the login options
elif responseCode == 203: #register code
if (self.getString(data)=="Registration successful"): #appear if registration was successful
print "You are now registered"
print "Please login" #user must login
print " "
self.options()
else:
print " "#appear if registration wasn't successful
print "Registration was unsuccessful. Pick a different username and please try again "
print " "
self.options()#user must attempt to register again
elif responseCode == 215:
print self.getString(data)
self.messages()
elif responseCode == 216:
print self.getString(data)
self.messages()
else:
print "nothing found"
#function that unpackage the message from server
def getString(self, data):
msg = data.getString()
return msg
#heart beat function
def heartbeat(self):
request = self.heartbeatRequest()
self.cWriter.send(request,self.connection)
#heart beat packaged
def heartbeatRequest(self):
pkg = PyDatagram()
pkg.addUint16(123)
return pkg
#updateRoutine for the program
def updateRoutine(self,task):
self.heartbeat()
self.check()
return task.again;
class MyApp(ShowBase):
uname = None
def __init__(self):
ShowBase.__init__(self)
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
host = "localhost"
port = 6002
self.connection = self.cManager.openTCPClientConnection(
host, port, 10000)
self.received = 1
if self.connection:
self.cReader.addConnection(self.connection)
#taskMgr.add(self.updateRoutine, 'updateRoutine')
# LOGIN Request Starts
self.uname = raw_input('Enter username :'******'Enter password :'******'Login')
if (self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram101 = PyDatagram()
prot = 101
myPyDatagram101.addUint16(prot)
myPyDatagram101.addString(self.uname)
myPyDatagram101.addString(self.password)
self.cWriter.send(myPyDatagram101, self.connection)
self.received = 0
taskMgr.add(self.receiveResponse101, 'Login')
def sendRequest101(self):
if (self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram101 = PyDatagram()
prot = 101
myPyDatagram101.addUint16(prot)
myPyDatagram101.addString(self.uname)
myPyDatagram101.addString(self.password)
self.cWriter.send(myPyDatagram101, self.connection)
self.received = 0
def receiveResponse101(self, task):
while self.cReader.dataAvailable():
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
self.myIterator = PyDatagramIterator(datagram)
print "<-Server response:"
print self.myIterator.getUint16()
self.msg = self.myIterator.getUint32()
self.l = self.myIterator.getUint32()
if self.msg is not None:
if self.l is not 0:
for x in range(0, self.l):
print self.myIterator.getString()
print self.myIterator.getUint32()
print self.myIterator.getUint32()
print self.msg, " received"
#raw_input("Press Enter to continue...")
self.received = 0
taskMgr.remove('Login')
#1-Character creatopm
#taskMgr.add(self.sendRequest104, 'CharacterCreation')
#2-heartbeat of playgame after login
MyApp.sendRequest113(self)
return task.again
# LOGIN Request End
# CHARACTER CREATION Starts
def sendRequest104(self, task):
if (self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram = PyDatagram()
prot = 104
cname = raw_input('Character Name :')
faction_id_104 = raw_input('press 0 for Red Or 1 for Blue ? :')
classType_104 = raw_input('press 0 for Axe Or 1 for Sword ? :')
myPyDatagram.addUint16(prot)
myPyDatagram.addString(cname)
myPyDatagram.addUint32(faction_id_104)
myPyDatagram.addUint32(classType_104)
self.cWriter.send(myPyDatagram, self.connection)
print "104 sent"
self.received = 0
taskMgr.add(self.receiveResponse104, "characterresponse")
def receiveResponse104(self, task):
while self.cReader.dataAvailable():
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
self.myIterator1 = PyDatagramIterator(datagram)
print '------'
print self.myIterator1.getUint16()
self.msg = self.myIterator1.getUint32()
if self.msg is not None:
print "<-Server response:"
print self.msg, " received"
raw_input("Press Enter to continue...")
self.received = 0
taskMgr.remove('CharacterCreation')
taskMgr.add(self.sendRequest106, 'move')
return task.again
#CHARACTER CREATION Ends
# Move Starts
def sendRequest106(self, task):
if (self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram106 = PyDatagram()
prot = 106
xpos = raw_input('X Position :')
ypos = raw_input('Y Position :')
zpos = raw_input('Z Position :')
hpos = raw_input('Heading (0 to 360):')
ismoving = raw_input('Moving ? -- 0 for NO , 1 for YES :')
myPyDatagram106.addUint16(prot)
myPyDatagram106.addUint32(xpos)
myPyDatagram106.addUint32(ypos)
myPyDatagram106.addUint32(zpos)
myPyDatagram106.addUint32(hpos)
myPyDatagram106.addUint32(ismoving)
self.cWriter.send(myPyDatagram106, self.connection)
self.received = 0
taskMgr.add(self.receiveResponse106, "characterresponse")
def receiveResponse106(self, task):
while self.cReader.dataAvailable():
datagram6 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram6):
myIterator = PyDatagramIterator(datagram6)
print myIterator.getUint16()
msg = myIterator.getString()
if msg is not None:
print "<-Server response:"
print msg
print myIterator.getUint32()
print myIterator.getUint32()
print myIterator.getUint32()
print myIterator.getUint32()
print myIterator.getUint32()
raw_input("Press Enter to continue...")
self.received = 1
# Attack
#raw_input("Press Enter to continue...")
taskMgr.add(self.sendRequest108, 'health')
return task.again
#Move Ends
#Change Health Starts
def sendRequest108(self, task):
if (self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram108 = PyDatagram()
prot = 108
change_Health = raw_input('Change in health (-100 to 100):')
myPyDatagram108.addUint16(prot)
myPyDatagram108.addUint32(change_Health)
self.cWriter.send(myPyDatagram108, self.connection)
self.received = 0
taskMgr.add(self.receiveResponse108, "healthresponse")
def receiveResponse108(self, task):
while self.cReader.dataAvailable():
datagram8 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram8):
myIterator = PyDatagramIterator(datagram8)
print myIterator.getUint16()
msg = myIterator.getString()
if msg is not None:
print "<-Server response:"
print msg
print myIterator.getUint32()
self.received = 1
# CP State
raw_input("Press Enter to continue...")
taskMgr.add(self.sendRequest107, 'attack')
#Change Health Ends
return task.again
# Attack Starts
def sendRequest107(self, task):
if (self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram107 = PyDatagram()
prot = 107
attackId = raw_input('Attack Id (0 or 1):')
myPyDatagram107.addUint16(prot)
myPyDatagram107.addUint32(attackId)
self.cWriter.send(myPyDatagram107, self.connection)
#print " sent"
self.received = 0
taskMgr.add(self.receiveResponse108, "attackresponse")
def receiveResponse107(self, task):
while self.cReader.dataAvailable():
datagram7 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram7):
myIterator = PyDatagramIterator(datagram7)
print myIterator.getUint16()
msg = myIterator.getString()
if msg is not None:
print "<-Server response:"
print msg
print myIterator.getUint32()
raw_input("Press Enter to continue...")
self.received = 1
# Change Health
taskMgr.add(self.sendRequest112, 'CP Capture')
return task.again
#Attack Ends
#CP Capture Starts
def sendRequest112(self, task):
if (self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram112 = PyDatagram()
prot = 112
CP_id = raw_input('Control Point ID (1 to 5): ')
faction_id = raw_input('press 0 for Red Or 1 for Blue ? :')
myPyDatagram112.addUint16(prot)
myPyDatagram112.addUint32(CP_id)
myPyDatagram112.addUint32(faction_id)
self.cWriter.send(myPyDatagram112, self.connection)
#print " sent"
self.received = 0
taskMgr.add(self.receiveResponse112, "CPCaptureRes")
def receiveResponse112(self, task):
while self.cReader.dataAvailable():
datagram12 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram12):
myIterator = PyDatagramIterator(datagram12)
print myIterator.getUint16()
msg = myIterator.getUint32()
if msg is not None:
print "<-Server response:"
print msg
print myIterator.getUint32()
raw_input("Press Enter to continue...")
self.received = 1
#HeartBeat
#raw_input("Press Enter to continue...")
#taskMgr.add(self.communicate105, 'chat')
#CP Capture Ends
# CHAT Starts
def communicate105(self, task):
#print "communicate"
self.sendRequest105()
self.receiveResponse105(task)
return task.again
def sendRequest105(self):
if (self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram105 = PyDatagram()
prot = 105
chat = raw_input('Insert Chat Message :')
myPyDatagram105.addUint16(prot)
myPyDatagram105.addString(chat)
self.cWriter.send(myPyDatagram105, self.connection)
print " sent"
self.received = 0
def receiveResponse105(self, task):
print "<-Server response:"
while self.cReader.dataAvailable():
datagram5 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram5):
myIterator = PyDatagramIterator(datagram5)
print myIterator.getUint16()
msg = myIterator.getUint16()
print msg, " received"
if msg is not None:
raw_input("Press Enter to continue...")
self.received = 1
# Move
raw_input("Press Enter to continue...")
taskMgr.add(self.communicate111, 'CP state')
#CHAT Ends
#CP State Starts
def communicate111(self, task):
#print "communicate"
self.sendRequest111()
self.receiveResponse111(task)
return task.again
def sendRequest111(self):
if (self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram111 = PyDatagram()
prot = 111
CP_id = raw_input('Control Point ID (1 to 5): ')
CP_state = raw_input('Control Point state (1 red, 2 blue, 3 purple): ')
myPyDatagram111.addUint16(prot)
myPyDatagram111.addUint16(CP_id)
myPyDatagram111.addUint16(CP_state)
self.cWriter.send(myPyDatagram111, self.connection)
print " sent"
self.received = 0
def receiveResponse111(self, task):
print "<-Server response:"
while self.cReader.dataAvailable():
datagram11 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram11):
myIterator = PyDatagramIterator(datagram11)
print myIterator.getUint16()
msg = myIterator.getUint16()
print msg, " received"
if msg is not None:
raw_input("Press Enter to continue...")
self.received = 1
# CP Capture
raw_input("Press Enter to continue...")
taskMgr.add(self.communicate102, 'Logout')
#CP State Ends
# LOGOUT Starts
def communicate102(self, task):
#print "communicate"
self.sendRequest102()
self.receiveResponse102(task)
return task.again
def sendRequest102(self):
if (self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram102 = PyDatagram()
prot = 102
myPyDatagram102.addUint16(prot)
self.cWriter.send(myPyDatagram102, self.connection)
print " sent"
self.received = 0
def receiveResponse102(self, task):
print "<-Server response:"
while self.cReader.dataAvailable():
datagram2 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram2):
myIterator = PyDatagramIterator(datagram2)
print myIterator.getUint16()
msg = myIterator.getUint16()
print msg, " received"
if msg is not None:
raw_input("Press Enter to continue...")
self.received = 1
# Register
raw_input("Press Enter to continue...")
taskMgr.add(self.communicate301, 'Heartbeat')
#LOGOUT Ends
#HeartBeat Starts
def communicate301(self):
#print "communicate"
self.sendRequest301()
self.receiveResponse301()
#return task.again;
def sendRequest301(self, task):
if (self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram301 = PyDatagram()
prot = 301
myPyDatagram301.addUint16(prot)
self.cWriter.send(myPyDatagram301, self.connection)
self.received = 0
return task.again
def receiveResponse301(self):
while self.cReader.dataAvailable():
datagram301 = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram301):
myIterator = PyDatagramIterator(datagram301)
p = myIterator.getUint16()
if p == 213:
un = myIterator.getString()
cname = myIterator.getString()
ctype = myIterator.getUint32()
cteam = myIterator.getUint32()
if un == MyApp.uname:
abc = 'abc'
else:
print cname + ' just joined a game......!! hurray'
#print msg, " received"
self.received = 1
#HeartBeat Ends
#heartbeat
def sendRequest113(self):
if (self.received):
print "->Client request:"
# Send a request to the server
myPyDatagram113 = PyDatagram()
prot = 113
myPyDatagram113.addUint16(prot)
print MyApp.uname + '-------'
if MyApp.uname == 'chintan':
myPyDatagram113.addUint32(18)
elif MyApp.uname == 'paras':
myPyDatagram113.addUint32(35)
else:
myPyDatagram113.addUint32(3)
self.cWriter.send(myPyDatagram113, self.connection)
self.received = 0
#taskMgr.add(self.updateRoutine,'update113')
#taskMgr.doMethodLater(1,self.sendRequest301,'HeatBeat')
MyApp.retrieve113(self)
def retrieve113(self):
taskMgr.add(self.updateRoutine, 'update113')
taskMgr.doMethodLater(1, self.sendRequest301, 'HeatBeat')
def updateRoutine(self, task):
self.receiveResponse301()
return task.again
class TCP():
def __init__(self, _core):
print ("TCP Protocol Startup...")
self.core = _core
self.config = self.core.server.config
def start(self):
self.setupTCP()
self.startTCPTasks()
def setupTCP(self):
self.tcpManager = QueuedConnectionManager()
self.tcpReader = QueuedConnectionReader(self.tcpManager, 0)
self.tcpWriter = ConnectionWriter(self.tcpManager, 0)
self.tcpListener = QueuedConnectionListener(self.tcpManager, 0)
self.tcpSocket = self.tcpManager.openTCPServerRendezvous(self.config.TCPPORT, self.config.BACKLOG)
self.tcpListener.addConnection(self.tcpSocket)
print ("Started Server on: ", self.config.HOSTNAME, self.config.TCPPORT)
def startTCPTasks(self):
taskMgr.add(self.tcpListenerTask, "tcpListenerTask", 0)
print ("TCP Listener Started")
taskMgr.add(self.tcpReaderTask, "tcpReaderTask", -10)
print ("TCP Reader Started")
taskMgr.add(self.tcpDisconnectionHandler, "tcpDisconnectionHandler", 20)
print ("TCP Disconnection Handler Started")
# TCP Listener Task
def tcpListenerTask(self, task):
"""
Accept new incoming connection from clients, related to TCP
"""
# Handle new connection
if self.tcpListener.newConnectionAvailable():
rendezvous = PointerToConnection()
netAddress = NetAddress()
newConnection = PointerToConnection()
if self.tcpListener.getNewConnection(rendezvous, netAddress, newConnection):
newConnection = newConnection.p()
# Tell the reader about the new TCP connection
self.tcpReader.addConnection(newConnection)
# Handle the connection depending on persistent or not
if self.core.server.isPersistent:
self.core.handleConnection(generateUUID(), newConnection, netAddress)
else:
self.core.createPlayerObject(generateUUID(),newConnection, netAddress)
print ("Server: New Connection from -", str(netAddress.getIpString()))
else:
print ("Server: Connection Failed from -", str(netAddress.getIpString()))
return Task.cont
def tcpReaderTask(self, task):
"""
Handle any data from clients by sending it to the Handlers.
"""
while 1:
(datagram, data, opcode) = self.tcpNonBlockingRead(self.tcpReader)
if opcode is MSG_NONE:
# Do nothing or use it as some 'keep_alive' thing.
break
else:
# Handle it
self.core.packetManager.handlePacket(opcode, data, datagram.getAddress())
return Task.cont
# TCP NonBlockingRead??
def tcpNonBlockingRead(self, qcr):
"""
Return a datagram collection and type if data is available on
the queued connection udpReader
"""
if self.tcpReader.dataAvailable():
datagram = NetDatagram()
if self.tcpReader.getData(datagram):
data = DatagramIterator(datagram)
opcode = data.getUint8()
else:
data = None
opcode = MSG_NONE
else:
datagram = None
data = None
opcode = MSG_NONE
# Return the datagram to keep a handle on the data
return (datagram, data, opcode)
# TCP Disconnection Handler
def tcpDisconnectionHandler(self, task):
# Check for resets
if self.tcpManager.resetConnectionAvailable():
resetConnection = PointerToConnection()
self.tcpManager.getResetConnection(resetConnection)
for client in self.core.server.clients:
if self.core.server.clients[client].connection == resetConnection.p():
del self.core.server.clients[client]
self.tcpReader.removeConnection(resetConnection.p())
print ("Removed Connection:", resetConnection.p())
print ('Current Clients:', self.core.server.clients)
break
return Task.cont
def sendPacket(self, _pkt, _connection):
self.tcpWriter.send(_pkt, _connection)
def sendBroadcast(self, _pkt, _skipif=None):
for client in self.serverManager.clients:
if _skipif == client:
pass
else:
conn = self.serverManager.clients[client].connection
self.tcpWriter.send(_pkt, conn)
class client:
def __init__(self):
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.connection = None
def startConnection(self):
"""Create a connection with the remote host.
If a connection can be created, create a task with a sort value of -39
to read packets from the socket.
"""
try:
if self.connection == None:
self.connection = self.cManager.openTCPClientConnection('localhost',
9090,
1000)
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, 'updateRoutine-Connection', -39)
taskMgr.doMethodLater(5, self.checkConnection, 'checkConnection')
return True
except:
pass
self.loginHandler()
#send packet
myPyDatagram = PyDatagram()
myPyDatagram.addUint8(1)
myPyDatagram.addString(self.username)
myPyDatagram.addString('_')
myPyDatagram.addString(self.password)
self.cWriter.send(myPyDatagram,self.connection)
#receive packet
datagram = NetDatagram()
if self.cReader.getData(datagram):
myProcessDataFunction(datagram)
return False
def loginHandler(self):
self.username = raw_input("Enter username: "******"Enter password: "******"short" that contains the response code.
responseCode = data.getUint16()
# Pass into another method to execute the response.
if responseCode != 0:
self.handleResponse(responseCode, data)
return task.cont
class TCP():
def __init__(self, _core):
print("TCP Protocol Startup...")
self.core = _core
self.config = self.core.server.config
def start(self):
self.setupTCP()
self.startTCPTasks()
def setupTCP(self):
self.tcpManager = QueuedConnectionManager()
self.tcpReader = QueuedConnectionReader(self.tcpManager, 0)
self.tcpWriter = ConnectionWriter(self.tcpManager, 0)
self.tcpListener = QueuedConnectionListener(self.tcpManager, 0)
self.tcpSocket = self.tcpManager.openTCPServerRendezvous(
self.config.TCPPORT, self.config.BACKLOG)
self.tcpListener.addConnection(self.tcpSocket)
print("Started Server on: ", self.config.HOSTNAME, self.config.TCPPORT)
def startTCPTasks(self):
taskMgr.add(self.tcpListenerTask, "tcpListenerTask", 0)
print("TCP Listener Started")
taskMgr.add(self.tcpReaderTask, "tcpReaderTask", -10)
print("TCP Reader Started")
taskMgr.add(self.tcpDisconnectionHandler, "tcpDisconnectionHandler",
20)
print("TCP Disconnection Handler Started")
# TCP Listener Task
def tcpListenerTask(self, task):
"""
Accept new incoming connection from clients, related to TCP
"""
# Handle new connection
if self.tcpListener.newConnectionAvailable():
rendezvous = PointerToConnection()
netAddress = NetAddress()
newConnection = PointerToConnection()
if self.tcpListener.getNewConnection(rendezvous, netAddress,
newConnection):
newConnection = newConnection.p()
# Tell the reader about the new TCP connection
self.tcpReader.addConnection(newConnection)
# Handle the connection depending on persistent or not
if self.core.server.isPersistent:
self.core.handleConnection(generateUUID(), newConnection,
netAddress)
else:
self.core.createPlayerObject(generateUUID(), newConnection,
netAddress)
print("Server: New Connection from -",
str(netAddress.getIpString()))
else:
print("Server: Connection Failed from -",
str(netAddress.getIpString()))
return Task.cont
def tcpReaderTask(self, task):
"""
Handle any data from clients by sending it to the Handlers.
"""
while 1:
(datagram, data, opcode) = self.tcpNonBlockingRead(self.tcpReader)
if opcode is MSG_NONE:
# Do nothing or use it as some 'keep_alive' thing.
break
else:
# Handle it
self.core.packetManager.handlePacket(opcode, data,
datagram.getAddress())
return Task.cont
# TCP NonBlockingRead??
def tcpNonBlockingRead(self, qcr):
"""
Return a datagram collection and type if data is available on
the queued connection udpReader
"""
if self.tcpReader.dataAvailable():
datagram = NetDatagram()
if self.tcpReader.getData(datagram):
data = DatagramIterator(datagram)
opcode = data.getUint8()
else:
data = None
opcode = MSG_NONE
else:
datagram = None
data = None
opcode = MSG_NONE
# Return the datagram to keep a handle on the data
return (datagram, data, opcode)
# TCP Disconnection Handler
def tcpDisconnectionHandler(self, task):
# Check for resets
if self.tcpManager.resetConnectionAvailable():
resetConnection = PointerToConnection()
self.tcpManager.getResetConnection(resetConnection)
for client in self.core.server.clients:
if self.core.server.clients[
client].connection == resetConnection.p():
del self.core.server.clients[client]
self.tcpReader.removeConnection(resetConnection.p())
print("Removed Connection:", resetConnection.p())
print('Current Clients:', self.core.server.clients)
break
return Task.cont
def sendPacket(self, _pkt, _connection):
self.tcpWriter.send(_pkt, _connection)
def sendBroadcast(self, _pkt, _skipif=None):
for client in self.serverManager.clients:
if _skipif == client:
pass
else:
conn = self.serverManager.clients[client].connection
self.tcpWriter.send(_pkt, conn)
class Connection(ShowBase):
def __init__(self):
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
try:
host = "localhost"
port = 9252
self.connection = self.cManager.openTCPClientConnection(host, port, 10000)
self.received = 1
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, "updateRoutine")
# taskMgr.add(self.message, 'message')
except:
pass
# def message(self, task):
# self.option = 0
# self.option = str(raw_input("1-Send integer\n2-Send string\n3-Send short\n4-Send float\n"))
# if self.option == "1":
# msg = int(100 * random.random()) - 50
# request = self.intRequest(msg)
# self.cWriter.send(request,self.connection)
# print "sent ", msg
# taskMgr.remove('message')
# elif self.option == "2":
# msg = ''.join(random.choice('abcdefghijklmnopqrstuvwxyz') for x in range(7))
# request = self.stringRequest(msg)
# self.cWriter.send(request,self.connection)
# print "sent ", msg
# taskMgr.remove('message')
# elif self.option == "3":
# msg = int(100 * random.random())
# request = self.shortRequest(msg)
# self.cWriter.send(request,self.connection)
# print "sent ", msg
# taskMgr.remove('message')
# elif self.option == "4":
# msg = 100 * random.random()
# request = self.floatRequest(msg)
# self.cWriter.send(request,self.connection)
# print "sent ", msg
# taskMgr.remove('message')
def intRequest(self, msg):
pkg = PyDatagram()
pkg.addUint16(1)
pkg.addInt32(msg)
return pkg
def stringRequest(self, msg):
pkg = PyDatagram()
pkg.addUint16(2)
pkg.addString(msg)
return pkg
def shortRequest(self, msg):
pkg = PyDatagram()
pkg.addUint16(3)
pkg.addUint16(msg)
return pkg
def floatRequest(self, msg):
pkg = PyDatagram()
pkg.addUint16(4)
pkg.addFloat32(msg)
return pkg
def loginRequest(self, username, password):
pkg = PyDatagram()
pkg.addUint16(101)
pkg.addString(username)
pkg.addString(password)
return pkg
def registerRequest(self, username, password):
pkg = PyDatagram()
pkg.addUint16(103)
pkg.addString(username)
pkg.addString(password)
return pkg
def characterCreationRequest(self, username, classType):
pkg = PyDatagram()
pkg.addUint16(104)
pkg.addString(username)
pkg.addUint16(0)
pkg.addUint16(classType)
return pkg
def chatRequest(self, message):
pkg = PyDatagram()
pkg.addUint16(105)
pkg.addString(message)
return pkg
def moveRequest(self, x, y, z, h, isMoving):
pkg = PyDatagram()
pkg.addUint16(106)
pkg.addFloat32(x)
pkg.addFloat32(y)
pkg.addFloat32(z)
pkg.addFloat32(h)
pkg.addUint16(isMoving)
return pkg
def check(self):
while self.cReader.dataAvailable():
print "data here"
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
data = PyDatagramIterator(datagram)
responseCode = data.getUint16()
print responseCode
if responseCode == 1:
self.getInt(data)
elif responseCode == 2:
self.getString(data)
elif responseCode == 3:
self.getShort(data)
elif responseCode == 4:
self.getFloat(data)
elif responseCode == 201:
self.getLogin(data)
elif responseCode == 203:
self.getRegistion(data)
elif responseCode == 204:
self.getCharacterCreation(data)
elif responseCode == 205:
self.getChat(data)
elif responseCode == 206:
self.getMove(data)
else:
print "nothing found"
def getInt(self, data):
msg = data.getInt32()
print "recieved ", msg
taskMgr.add(self.message, "message")
def getString(self, data):
msg = data.getString()
print "recieved ", msg
taskMgr.add(self.message, "message")
def getShort(self, data):
msg = data.getUint16()
print "recieved ", msg
taskMgr.add(self.message, "message")
def getFloat(self, data):
msg = data.getFloat32()
print "recieved ", msg
taskMgr.add(self.message, "message")
def getLogin(self, data):
flag = data.getUint16()
if flag == 0:
print "Invalid Login"
else:
listSize = data.getUint16()
for i in xrange(listSize):
characterName = data.getString()
characterId = data.getUint16()
characterType = data.getUint16()
characterFaction = data.getUint16()
# Need to add these to an active characters class
def getRegistion(self, data):
flag = data.getUint16()
if flag == 0:
print "Invalid Login"
else:
print "Account Created"
def getCharacterCreation(self, data):
flag = data.getUint16()
if flag == 0:
print "Invalid Character"
else:
listSize = data.getUint16()
for i in xrange(listSize):
characterName = data.getString()
characterId = data.getUint16()
characterType = data.getUint16()
characterFaction = data.getUint16()
# Need to add these to an active characters class
def getChat(self, data):
username = data.getString()
factionId = data.getUint16()
message = data.getString()
def getMove(self, data):
username = data.getString()
x = data.getFloat32()
y = data.getFloat32()
z = data.getFloat32()
h = data.getFloat32()
isMoving = data.getUint16()
def updateRoutine(self, task):
self.check()
return task.again
class MyApp(ShowBase):
def __init__(self):
ShowBase.__init__(self)
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.player = Player()
self.opponents = dict()
self.logStat = -1
host = "localhost"
port = 9252
self.connection = self.cManager.openTCPClientConnection(host, port, 10000)
self.received = 1
self.playersText = []
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, 'updateRoutine')
taskMgr.add(self.login, 'login')
#taskMgr.doMethodLater(3, self.updateRoutine, 'updateRoutine')
taskMgr.doMethodLater(.1, self.heartbeat, 'heartbeat')
self.accept("q", self.listPlayers)
self.accept("q-up", self.delistPlayers)
self.accept("escape", self.disconnect)
self.accept("arrow_up", self.move)
def login(self, task):
self.option = 0
self.option = str(raw_input("1-Login\n2-Register\n"))
if self.option == "1":
un = str(raw_input("Username: "******"Password: "******"2":
un = str(raw_input("Username: "******"Password: "******"data here"
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
data = PyDatagramIterator(datagram)
responseCode = data.getUint16()
print responseCode
if responseCode == 201:
self.getPlayer(data)
elif responseCode == 202:
self.register(data)
elif responseCode == 203:
self.getOpponent(data)
elif responseCode == 214:
self.movePlayer(data)
elif responseCode == 219:
self.dropPlayer(data)
else:
print "nothing found"
def heartbeat(self, task):
pkg = PyDatagram()
pkg.addUint16(113)
self.cWriter.send(pkg,self.connection)
return task.again
def updateRoutine(self,task):
self.check()
return task.again;
def getPlayer(self, data):
self.logStat = data.getUint16()
if self.logStat == 0:
self.player.id = data.getInt32()
self.player.username = data.getString()
self.player.x = data.getFloat32()
self.player.y = data.getFloat32()
self.player.z = data.getFloat32()
self.player.rotation = data.getFloat32()
else:
print "login failed"
taskMgr.add(self.login, 'login')
def register(self, data):
self.logStat = data.getUint16()
if self.logStat == 0:
print "Account Made"
taskMgr.add(self.login, 'login')
else:
print "Username Taken"
taskMgr.add(self.login, 'login')
def listPlayers(self):
i = 0.55
for p in self.opponents:
self.playersText.append( addInstructions(i, self.opponents[p].username + " " + "{:.2f}".format(self.opponents[p].x) + " " + "{:.2f}".format(self.opponents[p].y) + " " + "{:.2f}".format(self.opponents[p].z) + " " + "{:.2f}".format(self.opponents[p].rotation) ))
i -= 0.05
def delistPlayers(self):
for x in self.playersText:
x.destroy()
def getOpponent(self, data):
opponent = Player()
opponent.id = data.getInt32()
opponent.username = data.getString()
opponent.x = data.getFloat32()
opponent.y = data.getFloat32()
opponent.z = data.getFloat32()
opponent.rotation = data.getFloat32()
self.opponents[opponent.id] = opponent
class ConnectionManager:
def __init__(self, main):
#self.world = world
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.main = main
self.rqTable = ServerRequestTable()
self.rsTable = ServerResponseTable()
self.connection = None
def startConnection(self):
"""Create a connection with the remote host.
If a connection can be created, create a task with a sort value of -39
to read packets from the socket.
"""
try:
if self.connection == None:
self.connection = self.cManager.openTCPClientConnection(Constants.SERVER_IP,
Constants.SERVER_PORT,
1000)
if self.connection:
self.cReader.addConnection(self.connection)
taskMgr.add(self.updateRoutine, 'updateRoutine-Connection', -39)
taskMgr.doMethodLater(5, self.checkConnection, 'checkConnection')
return True
except:
pass
return False
def closeConnection(self):
"""Close the current connection with the remote host.
If an existing connection is found, remove both the Main task, which
is responsible for the heartbeat, and the Connection task, which is
responsible for reading packets from the socket, then properly close
the existing connection.
"""
if self.connection != None:
taskMgr.remove('updateRoutine-Main')
taskMgr.remove('updateRoutine-Connection')
taskMgr.remove('checkConnection')
self.cManager.closeConnection(self.connection)
self.connection = None
def sendRequest(self, requestCode, args = {}):
"""Prepare a request packet to be sent.
If the following request code exists, create an instance of this
specific request using any extra arguments, then properly send it to
the remote host.
"""
if self.connection != None:
request = self.rqTable.get(requestCode)
if request != None:
request.set(self.cWriter, self.connection)
#print('requestCode:'+str(requestCode))
#print('args:'+str(args))
request.send(args)
def handleResponse(self, responseCode, data):
"""Prepare a response packet to be processed.
If the following response code exists, create an instance of this
specific response using its data to be executed.
"""
response = self.rsTable.get(responseCode)
if response != None:
response.set(self.main)
response.execute(data)
def checkConnection(self, task):
if not self.cReader.isConnectionOk(self.connection):
self.closeConnection()
#self.showDisconnected(0)
return task.done
return task.again
def updateRoutine(self, task):
"""A once-per-frame task used to read packets from the socket."""
while self.cReader.dataAvailable():
# Create a datagram to store all necessary data.
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
# Prepare the datagram to be iterated.
data = PyDatagramIterator(datagram)
# Retrieve a "short" that contains the response code.
responseCode = data.getUint16()
# Pass into another method to execute the response.
if responseCode != Constants.MSG_NONE:
self.handleResponse(responseCode, data)
return task.cont
class SocketHandler:
logger = Logger("socket_handler")
def __init__(self,
port=None,
host=None,
ip_addr="127.0.0.1",
backlog=10000,
timeout=5000):
self.port = port # our port
self.host = host # host port
self.ip_addr = ip_addr
self.backlog = backlog
self.timeout = timeout
self.socket = None
self.connection = None
self.active_connections = []
self.handler = None
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
def setup_socket(self):
self.socket = self.cManager.openTCPServerRendezvous(
self.ip_addr, self.port, self.backlog)
if self.socket is None:
raise Exception("unable to open new socket at %s:%d" %
(self.ip_addr, self.port))
self.cListener.addConnection(self.socket)
taskMgr.add(self.listen_suggestions, "poll the suggestion listener")
taskMgr.add(self.read_data, "poll the connection reader")
def connect_socket(self):
if self.connection is None:
self.connection = self.cManager.openTCPClientConnection(
self.ip_addr, self.host, self.timeout)
if self.connection is None:
raise Exception("unable to connect to socket at %s:%d" %
(self.ip_addr, self.host))
self.cReader.addConnection(self.connection)
taskMgr.add(self.read_data, "poll the socket reader")
def listen_suggestions(self, task):
# to be overridden by inheritors
pass
def read_data(self, task):
if self.cReader.dataAvailable():
dg = NetDatagram()
if self.cReader.getData(dg):
self.handle_data(dg)
return task.cont
def handle_data(self, dg):
# to be overridden by inheritors
pass
class NetworkHost ():
"""
Handles networking with one or more clients. This class is essentially
a server that handles the communication of GameManager's game logic.
One player will have a NetworkHost and the rest of players will have
NetworkClients.
"""
def __init__ (self, gameManager):
self._connManager = QueuedConnectionManager()
self._loadConfig()
self._activeConns = [] # Active connections list.
self._isActive = False
self._backlog = HOST_MAX_BACKLOG
self._gameManager = gameManager
self._playerInfo = dict() # connections by connectionID (cID)
self._creatures = dict() # Creatures by cID.
self._localPlayerCID = None
self._creatureIDCount = 0
def _initListener (self):
"""
Initializes this NetworkHost's connection listener.
"""
self._connListener = QueuedConnectionListener(self._connManager, 0)
self._tcpSocket = connManager.openTCPServerRendezvous(self._portAddress,
self._backlog)
self._connListener.addConnection(self._tcpSocket)
def _loadConfig (self):
"""
Loads network configuration defaults.
"""
self._portAddress = ConfigVariableInt("default-port",
DEFAULT_PORT).getValue()
def startHost (self):
"""
Finishes initialization and begins listening.
"""
# Initialize Reader and Writer:
self._connReader = QueuedConnectionReader(self._connManager, 0)
self._connWriter = ConnectionWriter(self._connManager, 0)
# Initialize Listener:
self._connListener = QueuedConnectionListener(self._connManager, 0)
self._tcpSocket = self._connManager.openTCPServerRendezvous(
self._portAddress, self._backlog)
self._connListener.addConnection(self._tcpSocket)
# Begin handling messages (start listening):
taskMgr.add(self._onListenerPoll,"Poll the connection listener",-39)
taskMgr.add(self._onReaderPoll,"Poll the connection reader",-40)
self._isActive = True
print ("[Host Started at %s]" % socket.gethostbyname(
socket.gethostname()))
self._gameManager.onHostInitialized()
def _onListenerPoll(self, taskdata):
"""
Updates list of connections based on the listener's current
findings.
Does not read messages. See onReaderPoll().
(Assumes self._connListener has been initialized)
"""
# Check for new connections:
if self._connListener.newConnectionAvailable():
rendezvous = PointerToConnection()
netAddress = NetAddress()
newConnection = PointerToConnection()
# If we have a new connection, add it to our list:
if self._connListener.getNewConnection(rendezvous,netAddress,
newConnection):
newConnection = newConnection.p()
print ("[Host Received New Connection: %s]" % netAddress)
self._activeConns.append(newConnection)
# Begin reading messages from this new connection:
self._connReader.addConnection(newConnection)
# activate the onClientConnected functionalities:
self.onClientConnected(newConnection)
return Task.cont # Repeat this call on an interval
def _onReaderPoll (self, taskdata):
"""
Called on an interval to interpret messages from the reader.
"""
if self._connReader.dataAvailable():
newDatagram = NetDatagram()
# Double check to make sure (Multithreading safety):
if self._connReader.getData(newDatagram):
self._interpretDatagram(newDatagram)
return Task.cont # Repeat this call on an interval
def sendToClient (self, newMsg, conn, msgType):
"""
Sends a new message to a client at the other end of conn.
"""
print("[Server Sending %s message type %s]"%(str(conn), str(msgType)))
self._connWriter.send(newMsg, conn)
def sendToAll (self, newMsg, msgType):
"""
Writes and sends a new message to all connected clients.
"""
for conn in self._activeConns:
self.sendToClient(newMsg, conn, msgType)
def _interpretDatagram (self, datagram):
"""
Interprets a received datagram and performs actions based on its
values.
"""
msg = PyDatagramIterator(datagram)
msgType = msg.getUint8()
if msgType == DEBUG_MESSAGE:
print (msg.getString())
elif msgType == UPDATE_PLAYER_INFO:
data = msg.getString()
self._updatePlayerInfoHandler(datagram.getConnection().this, data)
elif msgType == SPAWN_CHARACTER:
data = msg.getString()
dataDict = json.loads(data)
self._onSpawnHandler(dataDict)
elif msgType == SYNC_ACTION:
data = msg.getString()
dataDict = json.loads(data)
self._onActionSyncHandler(dataDict, datagram.getConnection())
elif msgType == SYNC_RESPAWN:
data = msg.getString()
dataDict = json.loads(data)
self._onRespawnRequestReceived(dataDict)
elif msgType == WIN_STATE:
data = msg.getString()
self._onGameWon(data)
def isHosting (self):
"""
Returns whether this NetworkHost is actively hosting.
"""
return self._isActive
def getMyCID (self):
return self._localPlayerCID
def registerNewCID (self):
newCID = "host" + str(self._creatureIDCount)
self._creatureIDCount += 1
return newCID
def registerLocalCID (self):
newCID = self.registerNewCID()
self._localPlayerCID = newCID
# === [Local Client to Network] ===
def onCreatureDeath (self, creature):
"""
Sends a creature death message to all connected clients.
"""
msg = createSyncDeathMessage(creature.getCID())
self.sendToAll(msg, SYNC_DEATH)
def onLocalPlayerRespawn (self, creature, newLocation):
"""
Respawns the local player and sends a sync message to all remotes.
"""
# Fulfill local player request to respawn:
creature.respawn(newLocation)
# Refill the creature's HP (Automatically syncs!):
creature.takeDamage(-1*creature.getMaxHealth())
# Spawn on all connected clients:
msg = createRespawnMessage(creature.getCID(), newLocation)
self.sendToAll(msg, SYNC_RESPAWN)
def localPlayerWins (self):
"""
End the game display the
win screen.
"""
self._gameManager.onWinStateAchieved(self._playerInfo[self.getMyCID()])
msg = createWinMessage(self._playerInfo[self.getMyCID()])
self.sendToAll(msg, WIN_STATE)
def updateLocalPlayerInfo (self, info=None):
"""
Updates info for this local player and sends it to all
connected clients.
"""
if not info:
self._playerInfo[self.getMyCID()] = PlayerInfo(cID=self.getMyCID())
else: # If info == None, we are just initializing.
self._playerInfo[self.getMyCID()] = info
infoMsg = createPlayerInfoMessage(info)
self.sendToAll(infoMsg, UPDATE_PLAYER_INFO)
# === ===
# === [Gameplay specific] ===
def _onGameWon (self, data):
"""
Boo. A remote client won.
Oh well. Still have to sync that win across all other clients.
"""
# Show winner locally:
winnerData = PlayerInfo(fromJson=data)
self._gameManager.onWinStateAchieved(winnerData)
msg = createWinMessage(winnerData)
self.sendToAll(msg, WIN_STATE)
def syncAction (self, cID, actionID, **kwargs):
"""
The local player has performed an action that must be synced across
the network. Send a message to all clients telling them to perform
a related action on that character.
"""
msg = createSyncActionMessage(cID, actionID, **kwargs)
self.sendToAll(msg, SYNC_ACTION)
def spawnGameObject (self, gameObject):
"""
Tracks the given gameObject and sends it to all clients.
"""
# First, track it locally:
self._creatures[gameObject.getCID()] = gameObject
# Send to all clients:
msg = createSpawnCharacterMessage(gameObject, gameObject.getCID())
self.sendToAll(msg, SPAWN_CHARACTER)
def dropItem (self, itemEnum, pos):
"""
Spawn a new item locally and sync!
"""
itemID = self.registerNewCID()
# Create item locally:
newItem = ITEM_ID_DICT[itemEnum](self._gameManager, itemID, coords=pos)
self._gameManager.getTileMap().spawnItem(newItem, pos)
# Track new item:
self._creatures[itemID] = newItem
msg = createSpawnItemMessage(newItem)
self.sendToAll(msg, SPAWN_ITEM)
def _onSpawnHandler (self, dataDict):
""" Handles networking spawning characters """
# Spawn object locally if the object at cID doesn't already exist.
if not dataDict['objID'] in self._creatures.keys():
# Spawn object of charType at pos
objectType = getCharacterTypeAsClass(dataDict['charType'])
newPos = Point2D(dataDict['pos'][0], dataDict['pos'][1])
newChar = objectType(parentCtrlr=None, cID=dataDict['objID'],
gameManager=self._gameManager, coords=newPos)
self._creatures[dataDict['objID']] = newChar
self._gameManager.getTileMap().spawnObject(newChar, newPos)
print("[Server Spawned %s]" % dataDict['objID'])
# If we have a player info for this player, use their name for the
# displayName:
if dataDict['objID'] in self._playerInfo:
newName = self._playerInfo[dataDict['objID']].cName
newChar.setNameDisplay(newName)
else:
# Ignore Overwrite
pass
# Tell all other clients to spawn objects:
newMsg = createSpawnCharacterMessage(self._creatures[dataDict['objID']],
dataDict['objID'])
self.sendToAll(newMsg, SPAWN_CHARACTER)
def _onActionSyncHandler (self, dataDict, msgConn):
"""
Attempts to queue an action for execution on a target denoted by
dataDict['objID']
"""
copyMsg = createSyncActionMessage(**dataDict)
syncedAction = ACTION_NETWORKING_DICT[dataDict['actionID']]
# Add a few local variables to dataDict:
targetObj = self._creatures[dataDict['objID']] # TODO Maybe make this part of dataDict!
dataDict['tileMap'] = self._gameManager.getTileMap()
if 'targetCID' in dataDict: # If there is another target:
# Assign the target:
dataDict['target'] = self._creatures[dataDict['targetCID']]
dataDict['isServer'] = True # Let sync function know we are server
# Create the newAction
newAction = syncedAction(targetObj, **dataDict)
targetObj.startAction(newAction) # queue or start the new action
# Send action to all clients except the client that sent the sync msg:
for client in self.getAllClientsExcept(msgConn):
self.sendToClient(copyMsg, client, SYNC_ACTION)
def _onRespawnRequestReceived (self, dataDict):
"""
Respawns the remote clients character in a new position and then
syncs to all clients (including the one who requested).
"""
newPos = self._gameManager.getTileMap().getRandomEmptyFloor()
targetObj = self._creatures[dataDict['objID']]
# Set the target's HP to full and sync that:
targetObj.takeDamage(-1*targetObj.getMaxHealth())
targetObj.respawn(newPos)
# Sync the respawn to all clients:
newMsg = createRespawnMessage(targetObj.getCID(), newPos)
self.sendToAll(newMsg, SYNC_RESPAWN)
def getAllClientsExcept (self, exceptConn):
clientList = list()
for conn in self._activeConns:
if conn != exceptConn:
clientList.append(conn)
return clientList
def onClientConnected (self, clientConn):
"""
If we have a map and/or any positional data, give it to this client.
Also signal to the GameManager and all remote clients that a new
player connected!
"""
connID = clientConn.this
tileMap = self._gameManager.getTileMap()
if tileMap != None:
data = tileMap.getTileMapStr()
msg = createMapMessage(data)
self.sendToClient(msg, clientConn, MAP_MESSAGE)
# Send player info to the new client:
for player in self._playerInfo:
# Don't send an info message about the player to the same player!
if player != connID:
newInfoMsg = createPlayerInfoMessage(self._playerInfo[player])
self.sendToClient(newInfoMsg, clientConn,
UPDATE_PLAYER_INFO)
# Send all creatures to the new client:
for creatureID in self._creatures:
newMsg = createSpawnCharacterMessage(self._creatures[creatureID],
creatureID)
self.sendToClient(newMsg, clientConn, SPAWN_CHARACTER)
def _updatePlayerInfoHandler (self, connID, data=None):
"""
Adds data to self._playerInfo.
If info doesn't exist, creates a new one for clientConn.
"""
if data != None:
newPlayerData = PlayerInfo(fromJson=data)
else:
newPlayerData = PlayerInfo(cID=connID)
# Update the playerInfo dict with the new data:
self._playerInfo[newPlayerData.cID] = newPlayerData
self._gameManager.updatePartyInfo(self._playerInfo, self.getMyCID())
# Send player info to every client:
for player in self._playerInfo:
newInfoMsg = createPlayerInfoMessage(self._playerInfo[player])
#Send every player to every client:
self.sendToAll(newInfoMsg, UPDATE_PLAYER_INFO)
# Update the creature's floating display name locally:
if newPlayerData.cID in self._creatures:
self._creatures[newPlayerData.cID]\
.setNameDisplay(newPlayerData.cName)
def syncHealthChange (self, creatureID, newHealth):
"""
Called after the host runs a damage/healing action on a creature.
Lets all clients know to update to a new value.
"""
data = createSyncHealthMessage(creatureID, newHealth)
self.sendToAll(data, SYNC_HEALTH)
class Connection(GlobalClockMixin, TaskMixin):
def __init__(self, base, host, port):
self.base = base
self.host = host
self.port = port
self._conn = None
self._retry_elapsed = 0
self._retry_next = 0
self._data_last_received = 0
self.manager = QueuedConnectionManager()
self.reader = QueuedConnectionReader(
self.manager,
0, # number of threads
)
# we're using our own protocol so we don't want panda reading our headers and getting
# all foobared by it (not setting raw mode causes `dataAvailable` to block
# once there is actually data to process)
self.reader.setRawMode(True)
self.writer = ConnectionWriter(
self.manager,
0, # number of threads
)
def connect(self, connected_callback, task):
"""
Attempts to connect to the server and if unable to will retry adding
a second to the wait time to each consecutive failure.
"""
self._retry_elapsed += self.get_dt()
if self._retry_elapsed < self._retry_next:
return task.cont
logging.debug(
'attempting to connect to server at %s:%d',
self.host,
self.port
)
self._conn = self.manager.openTCPClientConnection(
self.host,
self.port,
10000, # timeout ms
)
if self._conn:
logging.debug('connection established')
self.reader.addConnection(self._conn)
# reset the counters in case the connection drops and we have to restart the
# connection process
self._retry_elapsed = 0
self._retry_next = 0
# add a task to poll the connection for data
self.add_task(
self.task_read_polling,
name='connection_reader_poll',
sort=-39,
)
connected_callback()
return
# no connection so retry in a bit
self._retry_elapsed = 0
if self._retry_next == 0:
self._retry_next = 1
elif self._retry_next > 9:
self._retry_next = 10
else:
self._retry_next += 1
logging.error(
'Unable to connect to server %s:%s, will retry in %d seconds',
self.host,
self.port,
self._retry_next,
)
return task.cont
def task_read_polling(self, task):
if self.reader.dataAvailable():
logging.debug('data available from server')
datagram = Datagram()
if self.reader.getData(datagram):
logging.debug('received data from server: %s', datagram)
logging.debug('received data from server: %s', datagram.getMessage())
# TODO: provide a way to supply a data callback
self._data_last_received = 0
else:
# no data received
logging.debug('no data')
self._data_last_received += self.get_dt()
if self._data_last_received >= 10:
logging.error('connection to server lost')
return
return task.cont
def shutdown(self):
logging.info('connection reader shutting down')
self.reader.shutdown()
class ConnectionManager:
def __init__(self, main):
self.main = main
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.rqTable = ServerRequestTable()
self.rsTable = ServerResponseTable()
self.connection = None
def startConnection(self):
"""Create a connection with the remote host.
If a connection can be created, create a task with a sort value of -39
to read packets from the socket.
"""
if self.connection == None:
self.connection = self.cManager.openTCPClientConnection(Constants.SERVER_IP, Constants.SERVER_PORT, 1000)
if self.connection:
self.cReader.addConnection(self.connection)
return True
return False
def initTasks(self):
"""Initialize tasks to check on connection and send heartbeat.
This must be done here because in `Main` we do not initialize Panda3D
until after a connection is started. Thus, `taskMgr` is not defined
when `startConnection()` is called. We rely on the callee to also run
`initTasks()` after a successful connection is created.
"""
if self.connection != None:
taskMgr.add(self.updateRoutine, "updateRoutine-Connection")
taskMgr.doMethodLater(5, self.checkConnection, "checkConnection")
taskMgr.doMethodLater(1.0 / Constants.TICKRATE, self.sendHeartbeat, "sendHeartbeat")
def closeConnection(self):
"""Close the current connection with the remote host.
If an existing connection is found, remove both the Main task, which
is responsible for the heartbeat, and the Connection task, which is
responsible for reading packets from the socket, then properly close
the existing connection.
"""
if self.connection != None:
taskMgr.remove("updateRoutine-Connection")
taskMgr.remove("checkConnection")
self.cManager.closeConnection(self.connection)
self.connection = None
def sendRequest(self, requestCode, args={}):
"""Prepare a request packet to be sent.
If the following request code exists, create an instance of this
specific request using any extra arguments, then properly send it to
the remote host.
"""
if self.connection != None:
request = self.rqTable.get(requestCode)
if request != None:
request.set(self.cWriter, self.connection)
request.send(args)
def handleResponse(self, responseCode, data):
"""Prepare a response packet to be processed.
If the following response code exists, create an instance of this
specific response using its data to be executed.
"""
response = self.rsTable.get(responseCode)
if response != None:
response.set(self.main)
response.execute(data)
def checkConnection(self, task):
if not self.cReader.isConnectionOk(self.connection):
self.closeConnection()
self.showDisconnected(0)
return task.done
return task.again
def updateRoutine(self, task):
"""A once-per-frame task used to read packets from the socket."""
while self.cReader.dataAvailable():
# Create a datagram to store all necessary data.
datagram = NetDatagram()
# Retrieve the contents of the datagram.
if self.cReader.getData(datagram):
# Prepare the datagram to be iterated.
data = PyDatagramIterator(datagram)
# Retrieve a "short" that contains the response code.
responseCode = data.getUint16()
# Pass into another method to execute the response.
if responseCode != Constants.MSG_NONE:
self.handleResponse(responseCode, data)
return task.cont
def sendHeartbeat(self, task):
if self.connection != None:
self.sendRequest(Constants.C_HEARTBEAT)
return task.again
class Server(object):
# https://www.panda3d.org/manual/index.php/Client-Server_Connection
def __init__(self, host="localhost", port=5001):
taskMgr = Task.TaskManager()
self.cManager = QueuedConnectionManager()
self.cListener = QueuedConnectionListener(self.cManager, 0)
self.cReader = QueuedConnectionReader(self.cManager, 0)
self.cWriter = ConnectionWriter(self.cManager, 0)
self.activeConnections = [] # We'll want to keep track of these later
self.readerCallbacks = []
backlog = 1000 #If we ignore 1,000 connection attempts, something is wrong!
self.tcpSocket = self.cManager.openTCPServerRendezvous(port, backlog)
self.cListener.addConnection(self.tcpSocket)
taskMgr.add(self.tskListenerPolling, "Poll the connection listener",
-39)
taskMgr.add(self.tskReaderPolling, "Poll the connection reader", -40)
print("started server! ({} at {})".format(port, host))
def Start(self):
# derived servers can overwrite this function if needed
pass
def tskListenerPolling(self, taskdata):
# listen for new connections
# TODO(victor): what happens if a client shuts down?
# print("server.tskListenerPolling()")
if self.cListener.newConnectionAvailable():
rendezvous = PointerToConnection()
netAddress = NetAddress()
newConnection = PointerToConnection()
if self.cListener.getNewConnection(rendezvous, netAddress,
newConnection):
newConnection = newConnection.p()
self.activeConnections.append(
newConnection) # Remember connection
self.cReader.addConnection(
newConnection) # Begin reading connection
print("server: received new connection!")
return Task.cont
def tskReaderPolling(self, taskdata):
# reader callback
if not self.cReader.dataAvailable():
return Task.cont
# catch the incoming data in this instance
# Check the return value; if we were threaded, someone else could have
# snagged this data before we did
datagram = NetDatagram()
if not self.cReader.getData(datagram):
return Task.cont
for callback in self.readerCallbacks:
callback(datagram)
return Task.cont
def addReaderCallback(self, callbackFunction):
self.readerCallbacks.append(callbackFunction)
def BroadcastMessage(self, datagram):
# send the same message to all clients
for client in self.activeConnections:
self.cWriter.send(datagram, client)
def Close(self):
# remove all clients
for client in self.activeConnections:
self.cReader.removeConnection(client)
self.activeConnections = []
# close down our listener
self.cManager.closeConnection(self.tcpSocket)