os/srv/gaming.nix


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{
  config,
  lib,
  pkgs,
  username,
  ...
}:
let
  cfg = config.os.srv.gaming;
in
{
  options.os.srv.gaming = {
    enable = lib.mkEnableOption "enables gaming utilities";
    steam.enable = lib.mkEnableOption "enables steam utilities";
    vr.enable = lib.mkEnableOption "enables vr support";
  };
  config = lib.mkMerge [
    (lib.mkIf cfg.enable {
      programs.gamescope = {
        enable = true;
        capSysNice = true;
      };

      programs.gamemode = {
        enable = true;
        enableRenice = true;
      };

      environment.systemPackages = with pkgs; [
        protonplus
        openmw
        heroic
        (prismlauncher.override {
          additionalLibs = with pkgs; [
            ocl-icd
          ];
          jdks = with pkgs; [ javaPackages.compiler.temurin-bin.jdk-25 ];
        })
      ];

      home-manager.users.${username}.hm.soft.mangohud.enable = true;
    })

    (lib.mkIf cfg.steam.enable {
      programs.steam = {
        enable = true;
        localNetworkGameTransfers.openFirewall = true;
        dedicatedServer.openFirewall = true;
        remotePlay.openFirewall = false;
        extest.enable = true;
        protontricks.enable = true;

        extraCompatPackages = with pkgs; [
          proton-ge-bin
        ];
      };
    })

    (lib.mkIf cfg.vr.enable {
      programs.alvr = {
        enable = true;
        openFirewall = true;
      };
    })
  ];
}