1 files changed, 145 insertions, 0 deletions
diff --git a/modules/gaming.nix b/modules/gaming.nix
new file mode 100644
index 0000000..b9b6766
--- /dev/null
+++ b/modules/gaming.nix
@@ -0,0 +1,145 @@
+{
+  config,
+  lib,
+  pkgs,
+  username,
+  inputs,
+  ...
+}:
+let
+  cfg = config.os.srv.gaming;
+in
+{
+  options.os.srv.gaming = {
+    enable = lib.mkEnableOption "enables general gaming support";
+
+    tools.enable = lib.mkEnableOption "enables performance tools" // {
+      default = cfg.enable;
+    };
+    launchers.enable = lib.mkEnableOption "enables 3rd party launchers" // {
+      default = cfg.enable;
+    };
+    games.enable = lib.mkEnableOption "enables specific native games";
+    steam = {
+      enable = lib.mkEnableOption "enables the steam launcher";
+      enableSls = lib.mkEnableOption "enables the SLS Steam library modification";
+    };
+    vr.enable = lib.mkEnableOption "enables vr support";
+  };
+
+  config = lib.mkMerge [
+    # --- PERFORMANCE & TOOLING ---
+    (lib.mkIf cfg.tools.enable {
+      hardware.xone.enable = true;
+      programs = {
+        gamescope = {
+          enable = true;
+          capSysNice = true;
+        };
+
+        gamemode = {
+          enable = true;
+          enableRenice = true;
+          settings = {
+            general.renice = 10;
+          };
+        };
+      };
+      environment = {
+        sessionVariables = {
+          OPTISCALER_ShortcutKey = "0x24"; # sets the optiscaler shortcut key to be home by default
+        };
+
+        systemPackages = with pkgs; [
+          mangohud
+          theclicker
+          ludusavi
+          protonplus
+        ];
+      };
+    })
+
+    # --- EXTERNAL LAUNCHERS ---
+    (lib.mkIf cfg.launchers.enable {
+      environment.systemPackages = with pkgs; [
+        heroic
+        (prismlauncher.override {
+          additionalLibs = with pkgs; [ ocl-icd ];
+          jdks = with pkgs; [ javaPackages.compiler.temurin-bin.jdk-26 ];
+        })
+      ];
+    })
+
+    # --- SPECIFIC GAMES ---
+    (lib.mkIf cfg.games.enable {
+      environment.systemPackages = with inputs.openmw-nix.packages.${pkgs.stdenv.hostPlatform.system}; [
+        (pkgs.openttd-jgrpp)
+
+        # OpenMW Specific
+        (pkgs.openmw)
+        (pkgs.tes3cmd)
+        delta-plugin
+        groundcoverify
+        momw-configurator
+        openmw-validator
+        s3lightfixes
+        umo
+      ];
+    })
+
+    # --- STEAM ---
+    (lib.mkIf cfg.steam.enable (
+      lib.mkMerge [
+        {
+          programs.steam = {
+            enable = true;
+            localNetworkGameTransfers.openFirewall = true;
+            dedicatedServer.openFirewall = true;
+            remotePlay.openFirewall = false;
+            extest.enable = true;
+            protontricks.enable = true;
+          };
+          environment.systemPackages = with pkgs; [ steamtinkerlaunch ];
+        }
+
+        (lib.mkIf cfg.steam.enableSls {
+          environment.systemPackages = [
+            inputs.sls-steam.packages.${pkgs.stdenv.hostPlatform.system}.wrapped
+          ];
+          home-manager.users.${username} = {
+            xdg.desktopEntries = {
+              steam = {
+                name = "Steam";
+                comment = "Library modified Steam client";
+                exec = "${
+                  lib.getExe' inputs.sls-steam.packages.${pkgs.stdenv.hostPlatform.system}.wrapped "SLSsteam"
+                } %U";
+                icon = "steam";
+                terminal = false;
+                type = "Application";
+                categories = [
+                  "Game"
+                  "Utility"
+                ];
+                mimeType = [ "x-scheme-handler/steamcmd" ];
+              };
+            };
+          };
+        })
+      ]
+    ))
+
+    # --- VR SUPPORT ---
+    (lib.mkIf cfg.vr.enable {
+      services.wivrn = {
+        enable = true;
+        openFirewall = true;
+        highPriority = true;
+        steam.importOXRRuntimes = true;
+        # defaultRuntime = true;
+      };
+      environment.systemPackages = [ pkgs.android-tools ];
+      users.users.${username}.extraGroups = [ "adbusers" ];
+    })
+  ];
+}