Godot

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Godot is an open-source game engine, capable of creating both 2D and 3D games.

Installation

Add pkgs.godot (GDScript only) to environment.systemPackages.

For installing Godot-Mono (C#), see Godot-Mono article.

Export Templates

On Godot upgrade, the new export template can be automatically provisioned this way:

home.file.".local/share/godot/export_templates/${builtins.replaceStrings [ "-" ] [ "." ] pkgs.godot_4-export-templates.version}".source = pkgs.godot_4-export-templates;

Android Export Target

Accept Android license:

nixpkgs.config.android_sdk.accept_license = true;

Add to your system the usual Android and Java development packages, such as:

environment.systemPackages = with pkgs; [
  android-studio
  android-tools
  androidenv.androidPkgs.androidsdk
  androidenv.androidPkgs.emulator
  androidenv.androidPkgs.ndk-bundle
  jdk # Java
];

Configure Godot's Editor -> Editor Settings -> General [Tab] -> Export [Category] -> Android [Sub-item], as such:

Android SDK Path: Reference pkgs.androidenv.androidPkgs.androidsdk path. Like: /nix/store/p2cdj75bbzswjc84789cmlwhy6ll7avr-androidsdk/libexec/android-sdk/
Java SDK Path: Reference pkgs.jdk path. Like: /nix/store/55qm2mvhmv7n2n6yzym1idrvnlwia73z-openjdk-21.0.5+11

Running Exported Application in NixOS

Use steam-run to run a Godot exported project without having to fix paths for Nix.