grimm-nixos-laptop/common/gaming.nix

{
  pkgs,
  config,
  lib,
  ...
}:
let
  cfg = config.grimmShared;
in
{
  config =
    with cfg;
    lib.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'";
          };
        };
      };

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

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

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

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