RBDoom3BFG on Flatpak

This project contains files to build RBDoom3BFG as a Flatpak app.

Copy game files

Copy base/ folder either from Steam or GOG to ~/.var/app/io.github.RobertBeckebans.RBDoom3BFG/data/rbdoom3bfg/base/.

How to build the app

1 - Prepare the environment

Ensure you have the following commands installed on your system:

• git
• patch
• flatpak
• flatpak-builder

Ensure you have the flathub repo enabled:

$ flatpak remote-add --user --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo

Clone this project on your computer:

$ git clone https://github.com/RobertBeckebans/RBDOOM-3-BFG_Flatpak.git

2 - Build and install the app

From the project directory run the command:

$ FLATPAK_BUILDER_N_JOBS=$(nproc) flatpak-builder --user --verbose --install --install-deps-from=flathub --force-clean build io.github.RobertBeckebans.RBDoom3BFG.yaml

See flatpak documentation for more info.

The first build can take a while (around 15 minutes or more), it depends on your hardware. It compiles and installs the app, making it available for your user in the system.

NOTE: if you want to install the app system wide, remove the --user option and the use sudo command.

3 - Run the app

You can run the RBDoom3BFG launching it from your favorite desktop, or manually by using the flatpak command:

$ flatpak run io.github.RobertBeckebans.RBDoom3BFG

4 - Debug the app if necessary

You can run the build using gdb:

$ flatpak run --command=gdb --devel io.github.RobertBeckebans.RBDoom3BFG -- /app/bin/RBDoom3BFG