Fix Epic working directory issue with launching games

[phobos665]

Summary by cubic

Fixes Epic games failing to launch by setting the working directory to the executable’s folder. This ensures titles that depend on their local working dir start correctly when using Wine.

^{Written for commit 93e23a6. Summary will update on new commits.}

Summary by CodeRabbit

Release Notes

• Bug Fixes
  • Improved Epic Games launch compatibility by ensuring proper working directory configuration for game executables.

[coderabbitai]

📝 Walkthrough

Walkthrough

The PR adds logic to XServerScreen.kt to set the working directory for Epic game executables. When launching a game from Epic, the code now computes the executable's parent directory and assigns it to guestProgramLauncherComponent.workingDir to ensure proper file resolution during execution.

Changes

Cohort / File(s)	Summary
Epic Working Directory Setup app/src/main/java/app/gamenative/ui/screen/xserver/XServerScreen.kt	Added logic to compute and assign the working directory for Epic game executables, deriving it from the executable's containing directory.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related PRs

• set and use workingdir for bionic containers! #203: Implements the workingDir accessor and launcher behavior that enables processes to execute in the configured working directory, directly utilized by this PR's working directory assignment for Epic games.

Poem

🐰 A path is set, a dir assigned,
For Epic games to launch aligned,
Where executables find their way,
The working dir saves the day! 🎮✨

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Fix Epic working directory issue with launching games' directly describes the main change: resolving a working directory problem for Epic game launches by setting the proper directory for executable execution.

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✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[cubic-dev-ai]

No issues found across 1 file