2023-01-30

1 files changed, 50 insertions, 14 deletions

diff --git a/modules/nixos/games/minecraft.nix b/modules/nixos/games/minecraft.nix
index 7b21195..09b9239 100644
--- a/modules/nixos/games/minecraft.nix
+++ b/modules/nixos/games/minecraft.nix
@@ -1,5 +1,6 @@
 {
   config,
+  inputs,
   lib,
   pkgs,
   ...
@@ -7,11 +8,19 @@
 with lib; let
   cfg = config.nixfiles.modules.games.minecraft;
 in {
+  imports = [inputs.nix-minecraft.nixosModules.minecraft-servers];
+
   options.nixfiles.modules.games.minecraft = {
     client.enable = mkEnableOption "Minecraft client";
     server = {
       enable = mkEnableOption "Minecraft server";
 
+      port = mkOption {
+        description = "OpenSSH server port.";
+        type = types.port;
+        default = 50505; # Keeping 25565 as the default is a big security risk.
+      };
+
       memory = mkOption {
         description = "Amount of RAM to allocate.";
         type = types.str;
@@ -25,26 +34,53 @@ in {
       hm.home.packages = with pkgs; [prismlauncher];
     })
     (mkIf cfg.server.enable {
-      # Configurations, opslist, whitelist and plugins are managed imperatively.
-      # TODO Make it declarative.
-      services.minecraft-server = {
+      nixfiles.modules.common.nix.allowedUnfreePackages = ["minecraft-server"];
+
+      ark.directories = [config.services.minecraft-servers.dataDir];
+
+      services.minecraft-servers = {
         enable = true;
         eula = true;
 
-        package = pkgs.minecraftServers.purpur_1_19_3;
+        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;
+          };
+
+          whitelist = {}; # TODO Fill this.
 
-        # TODO Make a PR fixing trailing whitespace on this.
-        jvmOpts =
-          (concatStringsSep " " [
-            "-Xmx${cfg.server.memory}"
-            "-Xms${cfg.server.memory}"
-            "--add-modules=jdk.incubator.vector"
-          ])
-          + " ";
+          jvmOpts =
+            (concatStringsSep " " [
+              "-Xms${cfg.server.memory}"
+              "-Xmx${cfg.server.memory}"
+              "--add-modules=jdk.incubator.vector" # Required by some plugins.
+            ])
+            + " ";
+        };
       };
 
-      # Defined in /var/lib/minecraft/server.properties.
-      networking.firewall.allowedTCPPorts = [55565];
+      my.extraGroups = [config.services.minecraft-servers.group];
     })
   ];
 }