2024-04-21

1 files changed, 86 insertions, 0 deletions

diff --git a/modules/games/minecraft.nix b/modules/games/minecraft.nix
new file mode 100644
index 0000000..6e163dc
--- /dev/null
+++ b/modules/games/minecraft.nix
@@ -0,0 +1,86 @@
+{
+  config,
+  inputs,
+  lib,
+  pkgs,
+  ...
+}:
+with lib;
+let
+  cfg = config.nixfiles.modules.games.minecraft;
+in
+{
+  imports = [ inputs.minecraft.nixosModules.minecraft-servers ];
+
+  options.nixfiles.modules.games.minecraft = {
+    client.enable = mkEnableOption "Minecraft client";
+    server = {
+      enable = mkEnableOption "Minecraft server";
+
+      port = mkOption {
+        description = "Server port.";
+        type = types.port;
+        default = 25565;
+      };
+
+      memory = mkOption {
+        description = "Amount of RAM to allocate.";
+        type = types.str;
+        default = "2G";
+      };
+    };
+  };
+
+  config = mkMerge [
+    (mkIf cfg.client.enable { hm.home.packages = [ pkgs.prismlauncher ]; })
+    (mkIf cfg.server.enable {
+      nixfiles.modules.common.nix.allowedUnfreePackages = [ "minecraft-server" ];
+
+      ark.directories = [ config.services.minecraft-servers.dataDir ];
+
+      services.minecraft-servers = {
+        enable = true;
+        eula = true;
+
+        openFirewall = true;
+
+        servers.default = {
+          enable = true;
+          autoStart = true;
+
+          package = pkgs.paperServers.paper-1_19_3;
+
+          serverProperties = {
+            # motd = "";
+            # white-list = true;
+            allow-flight = true;
+            difficulty = "hard";
+            enable-command-block = true;
+            enforce-secure-profile = false;
+            enforce-whitelist = true;
+            gamemode = "survival";
+            level-name = "default";
+            max-players = 8;
+            online-mode = false;
+            previews-chat = false;
+            pvp = false;
+            server-port = cfg.server.port;
+            snooper-enabled = false;
+          };
+
+          jvmOpts =
+            (concatStringsSep " " [
+              "-Xms${cfg.server.memory}"
+              "-Xmx${cfg.server.memory}"
+              "--add-modules=jdk.incubator.vector" # Required by some plugins.
+            ])
+            + " ";
+        };
+      };
+
+      nixpkgs.overlays = [ inputs.minecraft.overlay ];
+
+      my.extraGroups = [ config.services.minecraft-servers.group ];
+    })
+  ];
+}