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Debug mode enabling...

This debug feature which I found in Arcanum executable while researching it a year and half ago, allows you to see debug messages generated by Arcanum engine.

These messages will be very helpful for somebody who wants to know how Arcanum works or who wants to make some engine patches…

All messages will be printed into console which will be created by Arcanum after startup, it will also write all messages into external file called ”debug.txt” which will be create in main Arcanum directory.

To enable this mod, double click on file ”enabledebug.reg” and import registry, to disable double click on file ”disabledebug.reg”, and confirm import as well.





Posted by Crypton | Posted on 2009-09-17 00:46:41 | Posted in: Research
Lagging in multiplayer? Found why!

Have you experienced lagging in Arcanum multiplayer? I think that Arcanum is very famous for this unpleasant feature :) but I’ve found out why that happens and also I’ve found a solution how to avoid that.

So why is Arcanum multiplayer so lagging? Its simly because of that multiplayer was designed for LAN only, where speed of data transfer is at least 10Mbit/s, so they used TCP protocol to transfer data from server to client and back…

Whats bad about TCP in Arcanum? simply, TCP waits till data are tranfered, so it freezes whole application when data tranfer is not running in own thread (In Arcanum, threads are used, but game still waits for reply from player) .

What that all means? It means that speed of server is not depending only on server internet speed, but it also heavily depends on speed of connected players.

For example, if your server will be running on 10Mbit connection, and somebody who has 56KBit modem connects to your server(will have a very low ping), will slow down your server to 56KBit as well…  and of course this will make game completely unplayable.

How to avoid lagging? Simply, let play only players who has a low ping, less than 100msec, this will decrease amount of lagging significantly.

Also I’m going to fix few things in Arcanum multiplayer, so if I succeed, I’ll release small multiplayer patch, that will include this bug fix as well.

Posted by Crypton | Posted on 2009-07-16 16:24:28 | Posted in: Research
Multiplayer packets - Server info

There has been done some research on Arcanum’s packets, a complete structure and info about them can be seen here.

Any research contributions are welcomed!

Posted by Crypton | Posted on 2009-07-16 02:36:08 | Posted in: Research
Missing female art for non-human races

When I was researching prototypes, I’ve found out that they contains AID, when you decode this AID, you get art filename and other stuff. In prototypes, there is prove that female version of non-human races was available in game while development.

These art files has been deleted before release, and game uses simple hack that loads a human female arts for every race.

Now the question is why they needed to delete them… because of CD size limits?

Posted by Crypton | Posted on 2009-07-08 07:26:07 | Posted in: Research
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