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Exporting and Compiling UScript in Linux

Tools You Need

First of all, you cannot compile or export UScript with the native Linux UCC. You need the DLLs and EXEs from the Windows version of the game and Wine.

Head over to http://www.winehq.com and look for a package for your distro or else get the source and compile and install manually.

When Wine is installed open up winecfg (type winecfg in a terminal) and have a look at your drive letters. The reason for this is we will need to tell Wine where UT is installed later on. You may likely need a path like Z:\path\to\ut... or you may want to manually add the partition on the drives tab. E.G. mine is in H:\

Next you will need UCC.EXE and the DLLs from the Windows UT disk, so copy them from the CD into your ut/System folder.

A Quick Test

cd into your ut/System folder and type wine ucc 2>/dev/null. You should see a message:

=======================================
ucc.exe: UnrealOS execution environment
Copyright 1999 Epic Games Inc
=======================================

Use "ucc help" for help

The 2>/dev/null will suppress any wine errors. So long as you get the welcome message above, all is well.

Exporting Code

The command line is:

wine ucc batchexport PACKAGE class .uc \ UTDir\\PACKAGE\\Classes

You need double \\ or wine will not find the directories.So for example to export all scripts in BotPack do:

wine ucc batchexport BotPack.u class .uc \ h:\\ut\\BotPack\\Classes

Replace h:\\ut with the path to UT you noted from winecfg earlier.

The command Line Explained

batchexport tells ucc we want to export something
After issuing this command you should see a list of classes fly past and finally at the end:

BotPack.u is the name of the package we want to export
class tells ucc that we want classes
.uc is the file extension we want
h:\\ut\\BotPack\\Classes tells ucc where to save files to

After issuing this command you should see a list of classes fly past and finally at the end:

Success - 0 error(s), 0 warnings

Now we can cd up a directory and check that there is in fact a BotPack directory with a subdirectory of Classes, containing all the .uc files from BotPack. So far so good.

Compiling Code

OK so you have some code that you want to compile. It must be in a subdirectory Classes of a subdirectory of your package name which is a subdirectory of the main UT directory. For example:

ut/MyPackage/Classes/MyScript.uc

Also you must rename/delete any older compiled package from the System directory before compiling or your new code will not compile.

Next add your package to the bottom of the EditPackages= list in UnrealTournament.ini e.g.

EditPackages=MyPackage

Now we are good to go. The command line is:

wine ucc make

Now you should either have a success message, or a load of errors. If you get errors ucc is usually kind enough to point you to where they are in the code. If everything went OK you can boot up UT and play with your new toy.

Automating

Wouldn't it be nice not to have to type a whole lot of commands to do this? Yes it would. So I have a few scripts that make decompiling and compiling a lot easier.

My uccmake script:

#!/bin/bash
rm -f /path/to/ut/System/PackageName.u
wine /path/to/ut/System/ucc make 2>/dev/null

Now when I'm working on a package I edit the script with the package name, and then I can just run uccmake in a terminal.

I also have a uccexport script:

#!/bin/bash
wine h:\\ut\\System\\ucc batchexport $1.u class .uc \ 
h:\\ut\\$1\\Classes 2>/dev/null

Typing uccexport PackageName will export the classes for PackageName. Note that I have used normal Linux paths in one script, and Windows style paths in the other. Using Linux paths has limited success with ucc.exe, so if one way doesn't work, try the other method.