add gaming

hosts/nixos/yveltal/configuration.nix

@@ -32,6 +32,14 @@
     greetd.enable = true;
   };
 
+  gaming = {
+    steam.enable = true;
+    lutris.enable = true;
+    proton_ge.enable = true;
+    gamemode.enable = true;
+    mangohud.enable = true;
+  };
+
   # fix power buttons
   services.logind.settings.Login = {
     HandlePowerKey = "suspend";

modules/desktop/gaming/default.nix

@@ -5,5 +5,10 @@
   ...
 }: {
   imports = [
+    ./steam
+    ./lutris
+    ./proton_ge
+    ./gamemode
+    ./mangohud
   ];
 }

modules/desktop/gaming/gamemode/default.nix

@@ -0,0 +1,20 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}: let
+  cfg = config.gaming.gamemode;
+in {
+  options.gaming.gamemode = {
+    enable = lib.mkEnableOption "enable lutris";
+  };
+
+  config = lib.mkIf cfg.enable {
+
+    # enable gamemode for game optimizations
+    # requires setting launch option `gamemoderun %command%`
+    programs.gamemode.enable = true;
+
+  };
+}

modules/desktop/gaming/lutris/default.nix

@@ -0,0 +1,18 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}: let
+  cfg = config.gaming.lutris;
+in {
+  options.gaming.lutris = {
+    enable = lib.mkEnableOption "enable lutris";
+  };
+
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      lutris
+    ];
+  };
+}

modules/desktop/gaming/mangohud/default.nix

@@ -0,0 +1,20 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}: let
+  cfg = config.gaming.mangohud;
+in {
+  options.gaming.mangohud = {
+    enable = lib.mkEnableOption "enable lutris";
+  };
+
+  config = lib.mkIf cfg.enable {
+    # preformance overlay 
+    # requires setting launch option `mangohud %command%`
+    environment.systemPackages = with pkgs; [
+      mangohud 
+    ];
+  };
+}

modules/desktop/gaming/proton_ge/default.nix

@@ -0,0 +1,26 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}: let
+  cfg = config.gaming.proton_ge;
+in {
+  options.gaming.proton_ge = {
+    enable = lib.mkEnableOption "enable proton ge";
+  };
+
+  
+  # this is an imperitive install after rebuild run `protonup`
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      protonup
+    ];
+
+    # tells `protonup` what path to use
+    environment.sessionVariables = {
+      STEAM_EXTRA_COMPACT_TOOLS_PATHS = 
+        "/home/blake/.steam/root/compatibilitytools.d";
+    };
+  };
+}

modules/desktop/gaming/steam/default.nix

@@ -0,0 +1,20 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}: let
+  cfg = config.gaming.steam;
+in {
+  options.gaming.steam = {
+    enable = lib.mkEnableOption "enable steam";
+  };
+
+  config = lib.mkIf cfg.enable {
+    programs.steam = {
+      enable = true;
+      # requires setting launch option `gamescope %command%`
+      gamescopeSession.enable = true;
+    };
+  };
+}