[Newbies] Network Game - Server Client Approach

[Derek O'Connell]

Take a look at Scratch (http://scratch.mit.edu/). It has some networking
built in (http://scratch.mit.edu/forums/viewtopic.php?id=9458) and there
may be a new version soon. I think there are some multi-player examples
that might help you.

Of course stick with what you are doing if it is going to expand on the
idea but Scratch may help to quickly test the concept.

As for your current code it looks like you are pushing around ~4MBit/sec
so maybe that explains the dropped packets and unresponsiveness. This is
probably a lot more than you need for your purpose. Maybe you only need
to send ~20 updates/sec max?


Martin Bleichner wrote:
> Hi Derek,
> 
> I have to confess I just want the application. I assembled a small program
> with squeak and was happy that I could do everything I wanted within
> minutes.
> (Drag and drop of morphs and some scripting).
> 
> Then I wanted to do that as a collaborative game and hoped that that would
> also be possible quite quickly. However, it turned out to be more difficult.
> So now I am stucked with network programing.
> I am simply interested in the result. However, if there is no other way I am
> also willing to learn how to get there.
> 
> Martin
> 
> 
> 2009/6/6 Derek O'Connell <doconnel at gmail.com>
> 
>> Hi Martin,
>>
>> is this an exercise to learn Smalltalk or do you just want the 4-way
>> control application?
>>
>> Martin Bleichner wrote:
>>> Hello again,
>>>
>>> I am making some slow progress. Well, I managed to run an example :)
>>>
>>> I run on one image the OldSocket example remoteTestServerUDP and on a
>> second
>>> the remoteTestClientUDP. I hope that is the right direction so far.
>>> my transcript tells me that server and client endpoints are created, and
>>> some packets are sent.
>>>
>>> I get the following message:
>>> 4000 bytes/packet, 117packets/sec, 2370 packets dropped.
>>>
>>> he shouldn't drop packages, shouldn't he?
>>>
>>> Further, the image running the server is not responsive any more (does
>> not
>>> react to anything). Is that how it is supposed to work?
>>>
>>> Thanks for your help.
>>> Martin
>>>
>>>
>>> 2009/6/6 Markus Gaelli <gaelli at emergent.de>
>>>
>>>> Am 05.06.2009 um 21:26 schrieb Martin Bleichner:
>>>>
>>>>
>>>>> Hi Markus,
>>>>>
>>>>> when I try out the example i get.
>>>>> MessageNotUnderstood: MIMEDocument >>upToEnd
>>>>> the example should run through, shouldn't it?
>>>>> Martin
>>>>>
>>>> right, also examples should be tested first... ;-)
>>>>
>>>> Ok, with the following (replace upToEnd with contents and omit the
>> closing
>>>> of the (non)stream:
>>>>
>>>>   examplePostArgs
>>>>        | args result resultStream |
>>>>        args := Dictionary new.
>>>>        args at: 'arg1' put: #('val1' );
>>>>                 at: 'arg2' put: #('val2' );
>>>>                 yourself.
>>>>        resultStream := HTTPClient httpPostDocument: '
>>>> http://www.squeaklet.com/cgi-bin/thrd.pl' args: args.
>>>>        result := resultStream contents.
>>>>        Transcript show: result;
>>>>                 cr;
>>>>                 cr
>>>>
>>>> it kind of works. Modulo that squeaklet.com is not there anymore so you
>>>> don't get any specific answers.
>>>> If I were you I'd probably go for the udp solution mentioned by others.
>>>>
>>>> It would be great though to have some kind of Etoyish solution for your
>>>> problem (think lightweight open croquet for etoys) with udp or osc or
>>>> anything under the hood) so this is a very interesting question!
>>>>
>>>> Cheers
>>>>
>>>> Markus
>>>>
>>>>
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