mod: added proton manager to gaming module, added alsa to sound, added 32-bit libs to graphics

modules/apps/gaming.nix

@@ -76,6 +76,16 @@ in {
       enable = lib.mkEnableOption "OpenGL/Vulkan overlay tool shown in games presenting FPS, CPU/GPU/memory utilization, load, etc.";
     };
 
+    proton = {
+      enable = lib.mkEnableOption "Proton compatibility tool management";
+
+      manager = lib.mkOption {
+        type = lib.types.enum ["protonplus" "protonup-qt"];
+        default = "protonup-qt";
+        description = "Graphical Proton compatibility tool manager to install";
+      };
+    };
+
     lutris = {
       enable = lib.mkEnableOption "Lutris game manager and launcher";
       package = lib.mkOption {
@@ -93,14 +103,7 @@ in {
         };
       };
 
-      # Compatibility layers for Lutris
       compatibility = {
-        protonSupport = lib.mkOption {
-          type = lib.types.bool;
-          default = true;
-          description = "Enable Proton-like compatibility layers for Lutris";
-        };
-
         extraTools = lib.mkOption {
           type = lib.types.listOf lib.types.package;
           default = [];
@@ -153,14 +156,27 @@ in {
     archon = {
       enable = lib.mkEnableOption "Archon from NUR";
     };
+
+    opengoal = {
+      enable = lib.mkEnableOption "OpenGOAL, a game engine used in a certain PlayStation 2 franchise";
+    };
   };
 
   config = let 
     agl = cfg.aagl;
     nurPkgs = import "${nur.outPath}/pkgs" { inherit pkgs; };
+    protonManager = {
+      protonplus = pkgs.protonplus;
+      protonup-qt = pkgs.protonup-qt;
+    }.${cfg.proton.manager};
   in {
     programs.steam = lib.mkIf cfg.steam.enable {
       enable = true;
+      extraPackages = with pkgs; [
+        gamescope
+        gamemode
+      ];
+
       remotePlay.openFirewall = cfg.steam.firewall.remotePlay;
       localNetworkGameTransfers.openFirewall = cfg.steam.firewall.localNetworkGameTransfers;
     };
@@ -214,13 +230,10 @@ in {
           cfg.lutris.wine.package
           pkgs.winetricks
         ]) ++
-        (lib.optionals cfg.lutris.compatibility.protonSupport [
-          pkgs.protonup-ng
-          pkgs.protonup-qt
-        ]) ++
         cfg.lutris.compatibility.extraTools ++
         cfg.lutris.extraPackages
       )) ++
+      (lib.optionals cfg.proton.enable [protonManager]) ++
       (lib.optionals cfg.minecraft.enable [pkgs.prismlauncher]) ++
       (lib.optionals cfg.ffxiv.enable [pkgs.xivlauncher pkgs.fflogs]) ++
       (lib.optionals cfg.vintage-story.enable [nurPkgs.vintage-story]) ++