I've had lots of people send me PM's asking how to get started modifying RO without the SDK. It's not easy but I've compiled this brief summary of what I did.

Download the dedicated server. Follow the instructions in the dedicated server document located on the official RO site. Here: http://www.redorchestragame.com/inde...&p13_fileid=26

Once you download it, launch the .bat file included in the \system directory to start your server. This will create the RedOrchestra.ini file. Kill the server by using, Ctrl + C.

Now you need to extract the RO .uc sources so you have some idea of what the classes are and how you are going to extend them. The easy way to do this is to use WOTgreal but I had an extremely tough time setting it up to work with RO so I'll just tell you the manual way.

From the \system directory where you installed the RO dedicated server run the following commands from a command line:

Z:\Temp\ROServer\system> (my directory structure)

ucc batchexport Engine.u class uc ..\Engine\Classes
ucc batchexport ROGame.u class uc ..\ROGame\Classes

Assuming that works (crosses fingers), you should now have two directories under your RO dedicated server directory. One called Engine and one called ROGame. Under those directories is another directory called Classes and under that directory is all the source files.

Now you at least have the source files needed to begin modifying the game. Your first project will be easy. Do this...

Under your RO dedicated server directory create a folder called MutHelloWorld, then under that directory another folder called Classes.

In that new directory create a file called MutHelloWorld.u with the following contents:

class MutHelloWorld extends Mutator;

function PostBeginPlay()
{
Super.PostBeginPlay(); // Run the super class function (Mutator.PostBeginPlay).
Log("Hello World"); // Write our log message
}

defaultproperties
{
FriendlyName="Hello World Mutator"
Description="Log 'Hello World'."
}

Now you need to edit your RedOrchestra.ini in your RO dedicated server \system directory. Find the EditPackages= part and add the following line at the end of them:

EditPackages=MutHelloWorld

From the command line in the RO dedicated server \system directory, run the following:

ucc make
ucc dumpint MutHelloWorld.u
ucc exportcache MutHelloWorld.u

It should run thru the compilation process and hopefully report no errors. Now you should have three new files in your \system directory, MutHelloWorld.u, MutHelloWorld.int, and MutHelloWorld.ucl.

If for some reason the MutHelloWorld.int file doesn't exist, create it:

[Public]
Object=(Class=Class,MetaClass=Engine.Mutator,Name= MutHelloWorld.MutHelloWorld,Description="Hello World Example")

Almost done! We need to modify the .bat file that starts the server to include our mutator...

At the end of the long string of '?' parameters, add the following:

?Mutator=MutHelloWorld.MutHelloWorld

Start the server and watch the onscreen display. It should say something about loading the Mutator MutHelloWorld.MutHelloWorld then display the Hello World Mutator text.

---
This has been compiled from memory, if it doesn't work, I apologize.

There are lots of UnrealScript resources on the internet, but I personally found them all pretty lacking...

http://wiki.beyondunreal.com/wiki/UnrealScript_Lessons
http://forums.beyondunreal.com/forumdisplay.php?f=101
http://www.ataricommunity.com/forums...play.php?f=269
http://chimeric.beyondunreal.com/
http://www.planetunreal.com/mutation/tutorials.shtml
http://articles.thewavelength.net/in...article&id=270
http://home.worldonline.co.za/~20017...tutorials.html
http://www.unrealtower.org/tutorials

I'm sure there's more I missed.

Good luck!