Set up pipewire for sound.

nodes/hosts/common/configuration.nix

@@ -5,9 +5,11 @@
     ./programs/general.nix
     ./programs/git.nix
     ./programs/kde.nix
+    ./programs/steam.nix
     ./scripts/upgrade-diff.nix
     ./services/desktopmanager.nix
     ./services/displaymanager.nix
+    ./services/sound.nix
   ];
 
   nixpkgs = {

nodes/hosts/common/programs/steam.nix

@@ -0,0 +1,29 @@
+{ pkgs, ... }: {
+  # Install steam.
+  programs = { 
+    gamemode.enable = true;
+    gamescope.enable = true;
+
+    steam = {
+      enable = true;
+      gamescopeSession.enable = true;
+      remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
+      dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
+      localNetworkGameTransfers.openFirewall = true; # Open ports in the firewall for Steam Local Network Game Transfers
+      package = pkgs.steam.override { # Fix Overwatch and other games showing wrong timezone in-game.
+        extraProfile = ''
+          unset TZ
+        '';
+      };
+   
+      protontricks = {
+        enable = true;
+      };
+    };
+  };
+  
+  environment.systemPackages = [
+    pkgs.mangohud
+  ];
+}
+

nodes/hosts/common/services/sound.nix

@@ -0,0 +1,16 @@
+{ ... }: {
+  # Enable sound with pipewire.
+  services.pulseaudio.enable = false;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+    # If you want to use JACK applications, uncomment this
+    jack.enable = true;
+
+    # use the example session manager (no others are packaged yet so this is enabled by default,
+    # no need to redefine it in your config for now)
+    #media-session.enable = true;
+  };
+}

nodes/hosts/lappy/configuration.nix

@@ -49,17 +49,6 @@
   services.xserver.xkb.layout = "us";
   # services.xserver.xkb.options = "eurosign:e,caps:escape";
 
-  # Enable CUPS to print documents.
-  # services.printing.enable = true;
-
-  # Enable sound.
-  # services.pulseaudio.enable = true;
-  # OR
-  services.pipewire = {
-     enable = true;
-     pulse.enable = true;
-   };
-
   # Enable touchpad support (enabled default in most desktopManager).
   services.libinput.enable = true;