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-   -   Multi User Environment (https://forum.worldviz.com/showthread.php?t=3746)

moneim230 05-16-2011 04:49 AM
Multi User Environment
 
i want to create a multi user environment between several users that allows them to chat and watch the same environment together.
i tried this code from vizard reference but it did not work!
Server:
Code:
import viz
import viznet
viz.go()
viz.clearcolor(.2,.2,.4)

viz.MainView.setPosition(70,45,-60)
viz.MainView.lookat(0,0,10)

objectList = ['duck.wrl','logo.wrl','vcc_male.cfg','vcc_female.cfg']
maze = viz.add('tankmaze.wrl')
objects = {}

UPDATE = viznet.id('update')
CLIENT_DISCONNECTED = viznet.id('client_disconnected')
CHAT = viznet.id('chat')

viznet.server.start(port_in=14950,port_out=14951)

def onStartClient(e):
    print '** Client joined:',e.sender
viz.callback(viznet.CLIENT_CONNECT_EVENT,onStartClient)

def onStopClient(e):
    print '** Client left:',e.sender
    viznet.server.send(CLIENT_DISCONNECTED,client=e.sender) # Alert other clients
    objects[e.sender].remove() # Remove object from our map
    del objects[e.sender] # Delete user from array
viz.callback(viznet.CLIENT_DISCONNECT_EVENT,onStopClient)

def update(e):
    try:
        objects[e.sender].setPosition(e.pos)
        objects[e.sender].setEuler(e.ori)
    except KeyError: # If key doesn't exist add the user's object
        objects[e.sender] = viz.add(objectList[e.object],scale=[2,2,2],pos=e.pos,euler=e.ori)
        objects[e.sender].tooltip = e.sender # Sets the tool tip for this object
viz.callback(UPDATE,update)

# Tool Tip
import viztip
tth = viztip.ToolTip()
tth.start()
tth.setDelay(0)

# Chat Stuff
def updateChat(msg): # Function to update the chat display
    text.message('\n'.join(text.getMessage().split('\n')[1:])+'\n'+msg)

text = viz.addText('\n\n\n\n',viz.SCREEN) # Add to screen
text.alignment(viz.TEXT_LEFT_BOTTOM)
text.fontSize(25)
text.setPosition(.05,.08)

input = viz.addText('> _',viz.SCREEN) # Add to screen
input.fontSize(25);
input.setPosition(.032,.05)
input.visible(0) # We only want visible when in type mode

def onChat(e): # Update the message display
    updateChat(e.client+': '+e.chat)
viz.callback(CHAT,onChat)

talking = False
def onKeyDown(key):
    global talking
    if key == 'y' and not talking: # Start talking mode
        talking = True
        input.message('> _')
        input.visible(1)
    elif key == viz.KEY_ESCAPE and talking: # Exit talking mode
        talking = False
        input.visible(0)
        return True
    elif talking and key == viz.KEY_RETURN: # Send message
        talking = False
        viznet.server.send(CHAT,client='SERVER',chat=input.getMessage()[2:-1])
        input.visible(0)
        # Update display with our message
        updateChat('SERVER'+': '+input.getMessage()[2:-1])
    elif talking and key == viz.KEY_BACKSPACE: # Delete a character
        if len(input.getMessage()) > 3:
            input.message(input.getMessage()[:-2]+'_')
    elif len(key) > 1: # Handle special keys
        return False
    elif talking and 32 <= ord(key) <= 126: # Input message
        input.message(input.getMessage()[:-1]+key+'_')
viz.callback(viz.KEYDOWN_EVENT,onKeyDown,priority=-6)
Client:
Code:
import viz
import viznet
import vizinfo
viz.go()
viz.clearcolor(.2,.2,.4)
maze = viz.add('tankmaze.wrl')
objects = {}

SEND_UPDATE_TIMER = 1

UPDATE = viznet.id('update')
CLIENT_DISCONNECTED = viznet.id('client_disconnected')
CHAT = viznet.id('chat')

SERVER_NAME=viz.input('Enter Server Name')
while not viznet.client.connect(SERVER_NAME,port_in=14951,port_out=14950):
    if viz.ask('Could not connect to ' + SERVER_NAME + ' would you like to try another?'):
        SERVER_NAME=viz.input('Enter Server Name')
    else:
        viz.quit()
        break

objectList = ['duck.wrl','logo.wrl','male.cfg','vcc_female.cfg']
obj_choice=viz.choose('Connected. Select your character',objectList)

def update(e):
    if e.client != viz.getComputerName():
        try:
            objects[e.client].setPosition(e.pos)
            objects[e.client].setEuler(e.ori)
        except KeyError:
            objects[e.client] = viz.add(objectList[e.object],scale=[2,2,2],pos=e.pos,euler=e.ori)
            objects[e.client].tooltip = e.client
viz.callback(UPDATE,update)

def client_disconnected(e):
    objects[e.client].remove()
    del objects[e.client]
viz.callback(CLIENT_DISCONNECTED,client_disconnected)

def onStopServer(e):
    print 'Disconnected from server'
    viz.quit()
viz.callback(viznet.SERVER_DISCONNECT_EVENT,onStopServer)

import viztip
tth = viztip.ToolTip()
tth.start()
tth.setDelay(0)

def updateChat(msg):
    text.message('\n'.join(text.getMessage().split('\n')[1:])+'\n'+msg)

text = viz.addText('\n\n\n\n',viz.SCREEN)
text.alignment(viz.TEXT_LEFT_BOTTOM)
text.fontSize(25)
text.setPosition(.05,.08)

input = viz.addText('> _',viz.SCREEN)
input.fontSize(25)
input.setPosition(.032,.05)
input.visible(0)

def onChat(e):
    updateChat(e.client+': '+e.chat)
viz.callback(CHAT,onChat)

talking = False
def onKeyDown(key):
    global talking
    if key == 'y' and not talking:
        talking = True
        input.message('> _')
        input.visible(1)
    elif key == viz.KEY_ESCAPE and talking:
        talking = False
        input.visible(0)
        return True
    elif talking and key == viz.KEY_RETURN:
        talking = False
        viznet.client.sendAll(CHAT,client=viz.getComputerName(),chat=input.getMessage()[2:-1])
        input.visible(0)
    elif talking and key == viz.KEY_BACKSPACE:
        if len(input.getMessage()) > 3:
            input.message(input.getMessage()[:-2]+'_')
    elif len(key) > 1:
        return False
    elif talking and 32 <= ord(key) <= 126:
        input.message(input.getMessage()[:-1]+key+'_')
viz.callback(viz.KEYDOWN_EVENT,onKeyDown,priority=-6)
any suggestions?

Jeff 05-16-2011 01:55 PM
Are the machines able to ping each other? Have you tried disabling any firewalls and virus scanners to see if that makes a difference?

moneim230 05-16-2011 03:56 PM
Quote:
Originally Posted by Jeff (Post 12550)
Are the machines able to ping each other? Have you tried disabling any firewalls and virus scanners to see if that makes a difference?
yes they ping each other and the firewalls are disabled.
i run the server code first then when i run the client code and write the server name it says "connected" and i select the character but the server does not see the client character navigating.
i also tried 2 clients connected to a server but they don't see each other and the server can't see them

moneim230 05-16-2011 04:31 PM
Quote:
Originally Posted by Jeff (Post 12550)
Are the machines able to ping each other? Have you tried disabling any firewalls and virus scanners to see if that makes a difference?
chatting works too
the problem is that the characters don't appear

Jeff 05-17-2011 04:10 PM
Sorry about that, there was missing code in the documentation. If you add the following to the client script does it work for you?
Code:
def sendUpdate():
    ori= viz.MainView.getEuler()
    pos = viz.MainView.getPosition()
    viznet.client.sendAll(UPDATE,client=viz.getComputerName(),object=obj_choice,pos=pos,ori=ori)
vizact.ontimer(.05,sendUpdate)

moneim230 05-17-2011 05:56 PM
Quote:
Originally Posted by Jeff (Post 12563)
Sorry about that, there was missing code in the documentation. If you add the following to the client script does it work for you?
Code:
def sendUpdate():
    ori= viz.MainView.getEuler()
    pos = viz.MainView.getPosition()
    viznet.client.sendAll(UPDATE,client=viz.getComputerName(),object=obj_choice,pos=pos,ori=ori)
vizact.ontimer(.05,sendUpdate)
thx Jeff it works now.
i hope vizard 4.0 documentation will get updated with this missing code.


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