grimm-nixos-laptop/common/gaming.nix

{
  pkgs,
  config,
  lib,
  ...
}:
let
  inherit (config.grimmShared) enable gaming;
  inherit (lib)
    mkIf
    getExe
    mkEnableOption
    optional
    ;
in
{
  config = mkIf (enable && gaming) {
    programs.steam = {
      enable = true;
      gamescopeSession.enable = true;
      gamescopeSession.env = {
        DRI_PRIME = "1";
      };
      extraCompatPackages = with pkgs; [ proton-ge-bin ];
      # extest.enable = true;
    };

    programs.gamemode = {
      enable = true;
      settings = {
        general = {
          inhibit_screensaver = 0;
          renice = 10;
        };
        custom = {
          start = "${lib.getExe pkgs.libnotify} 'GameMode started'";
          end = "${lib.getExe pkgs.libnotify} 'GameMode ended'";
        };
      };
    };

    programs.the-honkers-railway-launcher.enable = true;

    services.udev.packages = [ pkgs.wooting-udev-rules ];

    environment.sessionVariables = {
      GAMEMODERUNEXEC = "env DRI_PRIME=1";
    };

    environment.systemPackages =
      with pkgs;
      [
        heroic
        prismlauncher
        mangohud
        the-powder-toy
        factorio
        pactorio
        (symlinkJoin {
          name = "osu";
          paths = [
            (writeShellScriptBin "osu!" ''
              exec gamemoderun ${getExe osu-lazer-bin}
            '')
            osu-lazer-bin
          ];
        })
      ]
      ++ optional (!isNull factorio.passthru.updateScript) factorio;
  };

  options.grimmShared.gaming = mkEnableOption "enables steam, heroic, prism and gamemoded";
}