How to target EOS and Steam indepedently?

Development Platform & Builds
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1

I’m trying to target my game for EOS and Steam without needing to comment out the DefaultEngine.ini lines.

I have looked at Lyra, and have updated my project so that I have an additional Target.cs

using UnrealBuildTool;

public class ProjectTest_EOSTarget : ProjectTestTarget
{
    public ProjectTest_EOSTarget (TargetInfo Target) : base(Target)
    {
	    CustomConfig = "EOS";
    }
}

And I have added in additional DefaultEngine.ini in the EOS folder:

| ProjectTest
– |Config
– | Custom
– | EOS

I have also built the Engine from source, and so I’m still stuck and would really appreciate some help.

I have tested this by adding the values from the EOS/DefaultEngine.ini into the Config/DefaultEngine.ini and the end result worked perfectly. However, when I place them exclusively into the EOS/DefaultEngine.ini, nothing works.

It may work only in packaged builds, as I’ve been using it exclusively in editor with Standalone. I’m currently unable to test as I am waiting on a new SSD with more storage and cannot package the project with the limited space I have.

2

Yeah, it only really works in packaged builds not in editor. Not even in standalone.

The rest of the setup works beautifully

3

To choose between EOS and Steam when running the Editor you need to use the CustomConfig parameter, like -customconfig=EOS, when starting the Editor.

For more info see Using Lyra With Epic Online Services in Unreal Engine | Unreal Engine 5.5 Documentation | Epic Developer Community

(If you want to start the Editor rather than the Game, ignore the -game parameter they suggest in that link, otherwise everything else works the same).