system/gaming/steam.nix


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{
  lib,
  config,
  ...
}: let
  inherit (lib) mkIf;
  cfg = config.gaming.steam;
in {
  config = mkIf cfg.enable {
    nixpkgs.config.allowUnfreePredicate = pkg:
      builtins.elem (lib.getName pkg) [
        "steam"
        "steam-original"
        "steam-runtime"
      ];

    programs.gamescope = {
      enable = true;
      capSysNice = true;
    };

    programs.steam = {
      enable = true;
      remotePlay.openFirewall = true;
      dedicatedServer.openFirewall = true;
      localNetworkGameTransfers.openFirewall = true;
      gamescopeSession.enable = true;
    };

    # controllers
    hardware.xone.enable = true;
    hardware.steam-hardware.enable = true;

    # cod
    networking.firewall = {
      allowedTCPPorts = [3074];
      allowedUDPPorts = [3074];
    };
  };
}