mirror of
https://github.com/gensokyo-zone/infrastructure.git
synced 2026-02-09 12:29:19 -08:00
322 lines
10 KiB
Nix
322 lines
10 KiB
Nix
let
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allowListModule = {config, name, gensokyo-zone, lib, ...}: let
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inherit (gensokyo-zone.lib) hexToInt;
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inherit (lib.options) mkOption;
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inherit (lib.modules) mkOptionDefault;
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inherit (builtins) typeOf;
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in {
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options = with lib.types; {
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name = mkOption {
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type = str;
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default = name;
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};
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xuid = mkOption {
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type = oneOf [ int str ];
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};
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settings = mkOption {
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type = attrsOf str;
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};
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};
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config = {
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settings = {
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name = mkOptionDefault config.name;
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xuid = mkOptionDefault {
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string = toString (hexToInt config.xuid);
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int = toString config.xuid;
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}.${typeOf config.xuid};
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};
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};
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};
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packModule = {config, lib, ...}: let
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inherit (lib.options) mkOption mkEnableOption;
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inherit (lib.modules) mkIf mkOptionDefault;
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inherit (lib.strings) splitString;
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inherit (builtins) typeOf;
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in {
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options = with lib.types; {
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enable = mkEnableOption "pack" // {
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default = true;
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};
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package = mkOption {
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type = nullOr package;
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default = null;
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};
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packDir = mkOption {
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type = str;
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};
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packType = mkOption {
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type = enum [ "resource_packs" "behavior_packs" ];
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};
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packId = mkOption {
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type = str;
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};
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version = mkOption {
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type = oneOf [ str (listOf str) ];
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};
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settings = mkOption {
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type = attrsOf (oneOf [ str (listOf str) ]);
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};
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};
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config = {
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packId = mkIf (config.package != null && config.package ? minecraft-bedrock.pack.pack_id) (mkOptionDefault
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config.package.minecraft-bedrock.pack.pack_id
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);
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packType = mkIf (config.package != null && config.package ? minecraft-bedrock.pack.type) (mkOptionDefault
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config.package.minecraft-bedrock.pack.type
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);
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version = mkIf (config.package != null && config.package ? minecraft-bedrock.pack.version) (mkOptionDefault
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config.package.minecraft-bedrock.pack.version
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);
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packDir = mkIf (config.package != null && config.package ? minecraft-bedrock.pack.dir) (mkOptionDefault
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config.package.minecraft-bedrock.pack.dir
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);
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settings = {
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pack_id = mkOptionDefault config.packId;
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version = mkOptionDefault {
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string = splitString "." config.version;
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list = config.version;
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}.${typeOf config.version};
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};
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};
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};
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in { config, gensokyo-zone, lib, pkgs, ... }: let
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# see https://gist.github.com/datakurre/cfdf627fb23ed8ff62bb7b3520b92674
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inherit (gensokyo-zone.lib) mapOptionDefaults;
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inherit (lib.options) mkOption mkPackageOption;
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inherit (lib.modules) mkIf mkMerge mkOptionDefault;
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inherit (lib.attrsets) filterAttrs mapAttrsToList;
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inherit (lib.strings) concatStringsSep;
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inherit (lib.trivial) boolToString;
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inherit (lib.meta) getExe;
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inherit (builtins) toJSON;
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cfg = config.services.minecraft-bedrock-server;
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cfgToString = v: if builtins.isBool v then boolToString v else toString v;
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serverPropertiesFile = pkgs.writeText "server.properties" (''
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# server.properties managed by NixOS configuration
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'' + concatStringsSep "\n" (mapAttrsToList
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(n: v: "${n}=${cfgToString v}") cfg.serverProperties));
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in {
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options.services.minecraft-bedrock-server = with lib.types; {
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enable = mkOption {
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type = bool;
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default = false;
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description = ''
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If enabled, start a Minecraft Bedrock Server. The server
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data will be loaded from and saved to
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<option>services.minecraft-bedrock-server.dataDir</option>.
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'';
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};
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dataDir = mkOption {
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type = path;
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default = "/var/lib/minecraft-bedrock";
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description = ''
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Directory to store Minecraft Bedrock database and other state/data files.
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'';
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};
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serverProperties = mkOption {
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type = attrsOf (oneOf [ bool int str float ]);
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example = literalExample ''
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{
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server-name = "Dedicated Server";
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gamemode = "survival";
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difficulty = "easy";
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allow-cheats = false;
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max-players = 10;
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online-mode = false;
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white-list = false;
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server-port = 19132;
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server-portv6 = 19133;
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view-distance = 32;
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tick-distance = 4;
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player-idle-timeout = 30;
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max-threads = 8;
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level-name = "Bedrock level";
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level-seed = "";
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default-player-permission-level = "member";
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texturepack-required = false;
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content-log-file-enabled = false;
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compression-threshold = 1;
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server-authoritative-movement = "server-auth";
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player-movement-score-threshold = 20;
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player-movement-distance-threshold = 0.3;
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player-movement-duration-threshold-in-ms = 500;
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correct-player-movement = false;
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}
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'';
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description = ''
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Minecraft Bedrock server properties for the server.properties file.
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'';
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};
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package = mkPackageOption pkgs "minecraft-bedrock-server" { }// {
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description = "Version of minecraft-bedrock-server to run.";
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};
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openFirewall = mkOption {
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type = bool;
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default = false;
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};
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user = mkOption {
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type = str;
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default = "minecraft-bedrock";
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};
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group = mkOption {
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type = str;
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default = cfg.user;
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};
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allowPlayers = mkOption {
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type = nullOr (attrsOf (submoduleWith {
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modules = [ allowListModule ];
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specialArgs = {
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inherit gensokyo-zone;
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nixosConfig = config;
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};
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}));
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default = null;
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};
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allowList = mkOption {
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type = nullOr path;
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};
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packs = mkOption {
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type = attrsOf (submoduleWith {
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modules = [ packModule ];
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specialArgs = {
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inherit gensokyo-zone;
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nixosConfig = config;
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};
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});
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default = { };
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};
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};
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config = let
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confService.services.minecraft-bedrock-server = {
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serverProperties = mapOptionDefaults {
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server-name = "Dedicated Server";
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gamemode = "survival";
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difficulty = "easy";
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allow-cheats = false;
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max-players = 10;
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online-mode = false;
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allow-list = cfg.allowList != null;
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server-port = 19132;
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server-portv6 = 19133;
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view-distance = 32;
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tick-distance = 4;
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player-idle-timeout = 30;
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max-threads = 8;
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level-name = "Bedrock level";
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level-seed = "";
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default-player-permission-level = "member";
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texturepack-required = false;
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content-log-file-enabled = false;
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compression-threshold = 1;
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server-authoritative-movement = "server-auth";
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player-movement-score-threshold = 20;
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player-movement-distance-threshold = 0.3;
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player-movement-duration-threshold-in-ms = 500;
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correct-player-movement = false;
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};
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allowList = let
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allowPlayers = mapAttrsToList (_: allow: allow.settings) cfg.allowPlayers;
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allowListJson = pkgs.writeText "minecraft-bedrock-server-allowlist.json" (
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toJSON allowPlayers
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);
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in mkOptionDefault (
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if cfg.allowPlayers != null then allowListJson
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else null
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);
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};
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conf.users.users.${cfg.user} = {
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inherit (cfg) group;
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description = "Minecraft server service user";
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home = cfg.dataDir;
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createHome = true;
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isSystemUser = true;
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};
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conf.users.groups.${cfg.group} = {};
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conf.systemd.services.minecraft-bedrock-server = {
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description = "Minecraft Bedrock Server Service";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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BindReadOnlyPaths = let
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packageResources = map (subpath: "${cfg.package}/var/lib/minecraft-bedrock/${subpath}:${cfg.dataDir}/${subpath}") [
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"definitions/attachables"
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"definitions/biomes"
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"definitions/feature_rules"
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"definitions/features"
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"definitions/persona"
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"definitions/sdl_layouts"
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"definitions/spawn_groups"
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"resource_packs/vanilla"
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"resource_packs/chemistry"
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"config/default"
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"bedrock_server_symbols.debug"
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"env-vars"
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"permissions.json"
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];
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mkWorldPacks = type: let
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enabledPacks = filterAttrs (_: pack: pack.enable && pack.packType == "${type}_packs") cfg.packs;
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jsonName = "world_${type}_packs.json";
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packsJson = mapAttrsToList (_: pack: pack.settings) enabledPacks;
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packsJsonPath = pkgs.writeText jsonName (toJSON packsJson);
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in mkIf (enabledPacks != { }) [
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"${packsJsonPath}:${cfg.dataDir}/worlds/${cfg.serverProperties.level-name}/${jsonName}"
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];
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mapWorldPacks = packs: let
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enabledPacks = filterAttrs (_: pack: pack.enable && pack.package != null) packs;
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mapPackPath = _: pack: let
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subDir = "${pack.packType}/${pack.packDir}";
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in "${pack.package}/${cfg.package.dataDir}/${subDir}:${cfg.dataDir}/${subDir}";
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in mapAttrsToList mapPackPath enabledPacks;
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packsPaths = mkMerge [
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(mkWorldPacks "behavior")
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(mkWorldPacks "resource")
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(mapWorldPacks cfg.packs)
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];
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in mkMerge [
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packageResources
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(mkIf (cfg.allowList != null) [ "${cfg.allowList}:${cfg.dataDir}/allowlist.json" ])
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(mkIf (cfg.packs != { }) packsPaths)
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];
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ExecStart = [
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"${getExe cfg.package}"
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];
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Restart = "always";
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User = cfg.user;
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WorkingDirectory = cfg.dataDir;
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LogFilterPatterns = [
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"~.*minecraft:trial_chambers/chamber/end"
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"~Running AutoCompaction"
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];
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};
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preStart = ''
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mkdir -p behavior_packs
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ln -sf ${cfg.package}/var/lib/minecraft-bedrock/behavior_packs/* behavior_packs/
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cp -f ${serverPropertiesFile} server.properties
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chmod +w server.properties
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'';
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};
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conf.networking.firewall = let
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ports = [ cfg.serverProperties.server-port cfg.serverProperties.server-portv6 ];
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in mkIf cfg.openFirewall {
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allowedUDPPorts = ports;
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};
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in mkMerge [
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confService
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(mkIf cfg.enable conf)
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];
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}
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