Merge branch 'development' into dev-quests

src/main/java/emu/grasscutter/plugin/Plugin.java

@@ -8,6 +8,8 @@ import java.io.File;
 import java.io.InputStream;
 import java.net.URLClassLoader;
 
+import static emu.grasscutter.Configuration.*;
+
 /**
  * The base class for all plugins to extend.
  */
@@ -32,7 +34,7 @@ public abstract class Plugin {
         
         this.identifier = identifier;
         this.classLoader = classLoader;
-        this.dataFolder = new File(Grasscutter.getConfig().PLUGINS_FOLDER, identifier.name);
+        this.dataFolder = new File(PLUGINS_FOLDER, identifier.name);
         
         if(!this.dataFolder.exists() && !this.dataFolder.mkdirs()) {
             Grasscutter.getLogger().warn("Failed to create plugin data folder for " + this.identifier.name);

src/main/java/emu/grasscutter/plugin/PluginManager.java

@@ -16,6 +16,8 @@ import java.util.*;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
 
+import static emu.grasscutter.Configuration.*;
+
 /**
  * Manages the server's plugins and the event system.
  */
@@ -31,8 +33,7 @@ public final class PluginManager {
      * Loads plugins from the config-specified directory.
      */
     private void loadPlugins() {
-        String directory = Grasscutter.getConfig().PLUGINS_FOLDER;
-        File pluginsDir = new File(Utils.toFilePath(directory));
+        File pluginsDir = new File(Utils.toFilePath(PLUGINS_FOLDER));
         if(!pluginsDir.exists() && !pluginsDir.mkdirs()) {
             Grasscutter.getLogger().error("Failed to create plugins directory: " + pluginsDir.getAbsolutePath());
             return;

src/main/java/emu/grasscutter/scripts/SceneScriptManager.java

@@ -31,6 +31,8 @@ import emu.grasscutter.scripts.data.ScriptArgs;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 
+import static emu.grasscutter.Configuration.*;
+
 public class SceneScriptManager {
 	private final Scene scene;
 	private final ScriptLib scriptLib;
@@ -164,7 +166,7 @@ public class SceneScriptManager {
 	private void init() {
 		// Get compiled script if cached
 		CompiledScript cs = ScriptLoader.getScriptByPath(
-			Grasscutter.getConfig().SCRIPTS_FOLDER + "Scene/" + getScene().getId() + "/scene" + getScene().getId() + "." + ScriptLoader.getScriptType());
+			SCRIPT("Scene/" + getScene().getId() + "/scene" + getScene().getId() + "." + ScriptLoader.getScriptType()));
 		
 		if (cs == null) {
 			Grasscutter.getLogger().warn("No script found for scene " + getScene().getId());
@@ -211,7 +213,7 @@ public class SceneScriptManager {
 	
 	private void loadBlockFromScript(SceneBlock block) {
 		CompiledScript cs = ScriptLoader.getScriptByPath(
-			Grasscutter.getConfig().SCRIPTS_FOLDER + "Scene/" + getScene().getId() + "/scene" + getScene().getId() + "_block" + block.id + "." + ScriptLoader.getScriptType());
+			SCRIPT("Scene/" + getScene().getId() + "/scene" + getScene().getId() + "_block" + block.id + "." + ScriptLoader.getScriptType()));
 	
 		if (cs == null) {
 			return;
@@ -234,7 +236,7 @@ public class SceneScriptManager {
 		group.setLoaded(true);
 		
 		CompiledScript cs = ScriptLoader.getScriptByPath(
-			Grasscutter.getConfig().SCRIPTS_FOLDER + "Scene/" + getScene().getId() + "/scene" + getScene().getId() + "_group" + group.id + "." + ScriptLoader.getScriptType());
+			SCRIPTS_FOLDER + "Scene/" + getScene().getId() + "/scene" + getScene().getId() + "_group" + group.id + "." + ScriptLoader.getScriptType());
 	
 		if (cs == null) {
 			return;
@@ -281,9 +283,7 @@ public class SceneScriptManager {
 						if (gadget != null) {
 							suite.sceneGadgets.add(gadget);
 						}
-					} catch (Exception e) {
-						continue;
-					}
+					} catch (Exception ignored) { }
 				}
 			}
 			this.sceneGroups.put(group.id, group);

src/main/java/emu/grasscutter/server/dispatch/AnnouncementHandler.java

@@ -10,26 +10,29 @@ import java.io.FileInputStream;
 import java.io.IOException;
 import java.util.Objects;
 
+import static emu.grasscutter.Configuration.*;
+
 public final class AnnouncementHandler implements HttpContextHandler {
     @Override
     public void handle(Request request, Response response) throws IOException {//event
         if (Objects.equals(request.baseUrl(), "/common/hk4e_global/announcement/api/getAnnContent")) {
-            response.send("{\"retcode\":0,\"message\":\"OK\",\"data\":" + readToString(new File(Grasscutter.getConfig().DATA_FOLDER + "GameAnnouncement.json")) +"}");
+            response.send("{\"retcode\":0,\"message\":\"OK\",\"data\":" + readToString(new File(DATA("GameAnnouncement.json"))) +"}");
         } else if (Objects.equals(request.baseUrl(), "/common/hk4e_global/announcement/api/getAnnList")) {
-            String data = readToString(new File(Grasscutter.getConfig().DATA_FOLDER + "GameAnnouncementList.json")).replace("System.currentTimeMillis()",String.valueOf(System.currentTimeMillis()));
+            String data = readToString(new File(DATA("GameAnnouncementList.json"))).replace("System.currentTimeMillis()",String.valueOf(System.currentTimeMillis()));
             response.send("{\"retcode\":0,\"message\":\"OK\",\"data\": "+data +"}");
         }
     }
+    @SuppressWarnings("ResultOfMethodCallIgnored")
     private static String readToString(File file) {
-        Long filelength = file.length();
-        byte[] filecontent = new byte[filelength.intValue()];
+        long length = file.length();
+        byte[] content = new byte[(int) length];
         try {
             FileInputStream in = new FileInputStream(file);
-            in.read(filecontent);
-            in.close();
-        } catch (IOException fileNotFoundException) {
-            fileNotFoundException.printStackTrace();
+            in.read(content); in.close();
+        } catch (IOException ignored) {
+            Grasscutter.getLogger().warn("File not found: " + file.getAbsolutePath());
         }
-        return new String(filecontent);
+        
+        return new String(content);
     }
 }
\ No newline at end of file

src/main/java/emu/grasscutter/server/dispatch/DispatchHttpJsonHandler.java

@@ -11,6 +11,7 @@ import express.http.Request;
 import express.http.Response;
 
 import static emu.grasscutter.utils.Language.translate;
+import static emu.grasscutter.Configuration.*;
 
 public final class DispatchHttpJsonHandler implements HttpContextHandler {
 	private final String response;
@@ -34,8 +35,8 @@ public final class DispatchHttpJsonHandler implements HttpContextHandler {
 	@Override
 	public void handle(Request req, Response res) throws IOException {
 		// Checking for ALL here isn't required as when ALL is enabled enableDevLogging() gets enabled
-		if(Grasscutter.getConfig().DebugMode == ServerDebugMode.MISSING && Arrays.stream(missingRoutes).anyMatch(x -> Objects.equals(x, req.baseUrl()))) {
-			Grasscutter.getLogger().info(translate("messages.dispatch.request", req.ip(), req.method(), req.baseUrl()) + (Grasscutter.getConfig().DebugMode == ServerDebugMode.MISSING ? "(MISSING)" : ""));
+		if(SERVER.debugLevel == ServerDebugMode.MISSING && Arrays.stream(missingRoutes).anyMatch(x -> Objects.equals(x, req.baseUrl()))) {
+			Grasscutter.getLogger().info(translate("messages.dispatch.request", req.ip(), req.method(), req.baseUrl()) + (SERVER.debugLevel == ServerDebugMode.MISSING ? "(MISSING)" : ""));
 		}
 		res.send(response);
 	}

src/main/java/emu/grasscutter/server/dispatch/DispatchServer.java

@@ -4,7 +4,7 @@ import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import com.google.protobuf.ByteString;
 
-import emu.grasscutter.Config;
+import emu.grasscutter.GameConstants;
 import emu.grasscutter.Grasscutter;
 import emu.grasscutter.Grasscutter.ServerDebugMode;
 import emu.grasscutter.Grasscutter.ServerRunMode;
@@ -33,9 +33,11 @@ import org.eclipse.jetty.util.ssl.SslContextFactory;
 
 import java.io.*;
 import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
 import java.util.*;
 
 import static emu.grasscutter.utils.Language.translate;
+import static emu.grasscutter.Configuration.*;
 
 public final class DispatchServer {
 	public static String query_region_list = "";
@@ -64,7 +66,7 @@ public final class DispatchServer {
 	public void setHttpServer(Express httpServer) {
 		this.httpServer.stop();
 		this.httpServer = httpServer;
-		this.httpServer.listen(Grasscutter.getConfig().getDispatchOptions().Port);
+		this.httpServer.listen(DISPATCH_INFO.bindPort);
 	}
 
 	public Gson getGsonFactory() {
@@ -73,7 +75,7 @@ public final class DispatchServer {
 
 	public QueryCurrRegionHttpRsp getCurrRegion() {
 		// Needs to be fixed by having the game servers connect to the dispatch server.
-		if (Grasscutter.getConfig().RunMode == ServerRunMode.HYBRID) {
+		if (SERVER.runMode == ServerRunMode.HYBRID) {
 			return regions.get(defaultServerName).parsedRegionQuery;
 		}
 
@@ -84,14 +86,14 @@ public final class DispatchServer {
 	public void loadQueries() {
 		File file;
 
-		file = new File(Grasscutter.getConfig().DATA_FOLDER + "query_region_list.txt");
+		file = new File(DATA("query_region_list.txt"));
 		if (file.exists()) {
 			query_region_list = new String(FileUtils.read(file));
 		} else {
 			Grasscutter.getLogger().warn("[Dispatch] query_region_list not found! Using default region list.");
 		}
 
-		file = new File(Grasscutter.getConfig().DATA_FOLDER + "query_cur_region.txt");
+		file = new File(DATA("query_cur_region.txt"));
 		if (file.exists()) {
 			query_cur_region = new String(FileUtils.read(file));
 		} else {
@@ -108,52 +110,37 @@ public final class DispatchServer {
 			QueryCurrRegionHttpRsp regionQuery = QueryCurrRegionHttpRsp.parseFrom(decoded2);
 
 			List<RegionSimpleInfo> servers = new ArrayList<>();
-			List<String> usedNames = new ArrayList<>(); // List to check for potential naming conflicts
-			if (Grasscutter.getConfig().RunMode == ServerRunMode.HYBRID) { // Automatically add the game server if in
-																				// hybrid mode
+			List<String> usedNames = new ArrayList<>(); // List to check for potential naming conflicts.
+			if (SERVER.runMode == ServerRunMode.HYBRID) { // Automatically add the game server if in hybrid mode.
 				RegionSimpleInfo server = RegionSimpleInfo.newBuilder()
 						.setName("os_usa")
-						.setTitle(Grasscutter.getConfig().getGameServerOptions().Name)
+						.setTitle(DISPATCH_INFO.defaultName)
 						.setType("DEV_PUBLIC")
 						.setDispatchUrl(
-								"http" + (Grasscutter.getConfig().getDispatchOptions().FrontHTTPS ? "s" : "") + "://"
-										+ (Grasscutter.getConfig().getDispatchOptions().PublicIp.isEmpty()
-												? Grasscutter.getConfig().getDispatchOptions().Ip
-												: Grasscutter.getConfig().getDispatchOptions().PublicIp)
-										+ ":"
-										+ (Grasscutter.getConfig().getDispatchOptions().PublicPort != 0
-												? Grasscutter.getConfig().getDispatchOptions().PublicPort
-												: Grasscutter.getConfig().getDispatchOptions().Port)
+								"http" + (DISPATCH_ENCRYPTION.useEncryption ? "s" : "") + "://"
+										+ lr(DISPATCH_INFO.accessAddress, DISPATCH_INFO.bindAddress) + ":"
+										+ lr(DISPATCH_INFO.accessPort, DISPATCH_INFO.bindPort)
 										+ "/query_cur_region/" + defaultServerName)
 						.build();
 				usedNames.add(defaultServerName);
 				servers.add(server);
 
 				RegionInfo serverRegion = regionQuery.getRegionInfo().toBuilder()
-						.setGateserverIp((Grasscutter.getConfig().getGameServerOptions().PublicIp.isEmpty()
-								? Grasscutter.getConfig().getGameServerOptions().Ip
-								: Grasscutter.getConfig().getGameServerOptions().PublicIp))
-						.setGateserverPort(Grasscutter.getConfig().getGameServerOptions().PublicPort != 0
-								? Grasscutter.getConfig().getGameServerOptions().PublicPort
-								: Grasscutter.getConfig().getGameServerOptions().Port)
-						.setSecretKey(ByteString
-								.copyFrom(FileUtils.read(Grasscutter.getConfig().KEY_FOLDER + "dispatchSeed.bin")))
+						.setGateserverIp(lr(GAME_INFO.accessAddress, GAME_INFO.bindAddress))
+						.setGateserverPort(lr(GAME_INFO.accessPort, GAME_INFO.bindPort))
+						.setSecretKey(ByteString.copyFrom(FileUtils.read(KEYS_FOLDER + "/dispatchSeed.bin")))
 						.build();
 
 				QueryCurrRegionHttpRsp parsedRegionQuery = regionQuery.toBuilder().setRegionInfo(serverRegion).build();
 				regions.put(defaultServerName, new RegionData(parsedRegionQuery,
 						Base64.getEncoder().encodeToString(parsedRegionQuery.toByteString().toByteArray())));
 
-			} else {
-				if (Grasscutter.getConfig().getDispatchOptions().getGameServers().length == 0) {
-					Grasscutter.getLogger()
-							.error("[Dispatch] There are no game servers available. Exiting due to unplayable state.");
+			} else if (DISPATCH_INFO.regions.length == 0) {
+				Grasscutter.getLogger().error("[Dispatch] There are no game servers available. Exiting due to unplayable state.");
 				System.exit(1);
 			}
-			}
 
-			for (Config.DispatchServerOptions.RegionInfo regionInfo : Grasscutter.getConfig().getDispatchOptions()
-					.getGameServers()) {
+			for (var regionInfo : DISPATCH_INFO.regions) {
 				if (usedNames.contains(regionInfo.Name)) {
 					Grasscutter.getLogger().error("Region name already in use.");
 					continue;
@@ -163,13 +150,10 @@ public final class DispatchServer {
 						.setTitle(regionInfo.Title)
 						.setType("DEV_PUBLIC")
 						.setDispatchUrl(
-								"http" + (Grasscutter.getConfig().getDispatchOptions().FrontHTTPS ? "s" : "") + "://"
-										+ (Grasscutter.getConfig().getDispatchOptions().PublicIp.isEmpty()
-												? Grasscutter.getConfig().getDispatchOptions().Ip
-												: Grasscutter.getConfig().getDispatchOptions().PublicIp)
-										+ ":" + (Grasscutter.getConfig().getDispatchOptions().PublicPort != 0
-										? Grasscutter.getConfig().getDispatchOptions().PublicPort
-										: Grasscutter.getConfig().getDispatchOptions().Port) + "/query_cur_region/" + regionInfo.Name)
+								"http" + (DISPATCH_ENCRYPTION.useEncryption ? "s" : "") + "://"
+										+ lr(DISPATCH_INFO.accessAddress, DISPATCH_INFO.bindAddress) + ":" 
+										+ lr(DISPATCH_INFO.accessPort, DISPATCH_INFO.bindPort) 
+										+ "/query_cur_region/" + regionInfo.Name)
 						.build();
 				usedNames.add(regionInfo.Name);
 				servers.add(server);
@@ -178,7 +162,7 @@ public final class DispatchServer {
 						.setGateserverIp(regionInfo.Ip)
 						.setGateserverPort(regionInfo.Port)
 						.setSecretKey(ByteString
-								.copyFrom(FileUtils.read(Grasscutter.getConfig().KEY_FOLDER + "dispatchSeed.bin")))
+								.copyFrom(FileUtils.read(KEYS_FOLDER + "/dispatchSeed.bin")))
 						.build();
 
 				QueryCurrRegionHttpRsp parsedRegionQuery = regionQuery.toBuilder().setRegionInfo(serverRegion).build();
@@ -194,8 +178,8 @@ public final class DispatchServer {
 					.build();
 
 			this.regionListBase64 = Base64.getEncoder().encodeToString(regionList.toByteString().toByteArray());
-		} catch (Exception e) {
-			Grasscutter.getLogger().error("[Dispatch] Error while initializing region info!", e);
+		} catch (Exception exception) {
+			Grasscutter.getLogger().error("[Dispatch] Error while initializing region info!", exception);
 		}
 	}
 
@@ -205,14 +189,14 @@ public final class DispatchServer {
 				Server server = new Server();
 				ServerConnector serverConnector;
 
-				if(Grasscutter.getConfig().getDispatchOptions().UseSSL) {
+				if(DISPATCH_ENCRYPTION.useEncryption) {
 					SslContextFactory.Server sslContextFactory = new SslContextFactory.Server();
-					File keystoreFile = new File(Grasscutter.getConfig().getDispatchOptions().KeystorePath);
+					File keystoreFile = new File(DISPATCH_ENCRYPTION.keystore);
 
 					if(keystoreFile.exists()) {
 						try {
 							sslContextFactory.setKeyStorePath(keystoreFile.getPath());
-							sslContextFactory.setKeyStorePassword(Grasscutter.getConfig().getDispatchOptions().KeystorePassword);
+							sslContextFactory.setKeyStorePassword(DISPATCH_ENCRYPTION.keystorePassword);
 						} catch (Exception e) {
 							e.printStackTrace();
 							Grasscutter.getLogger().warn(translate("messages.dispatch.keystore.password_error"));
@@ -230,7 +214,7 @@ public final class DispatchServer {
 						serverConnector = new ServerConnector(server, sslContextFactory);
 					} else {
 						Grasscutter.getLogger().warn(translate("messages.dispatch.keystore.no_keystore_error"));
-						Grasscutter.getConfig().getDispatchOptions().UseSSL = false;
+						DISPATCH_ENCRYPTION.useEncryption = false;
 
 						serverConnector = new ServerConnector(server);
 					}
@@ -238,24 +222,27 @@ public final class DispatchServer {
 					serverConnector = new ServerConnector(server);
 				}
 
-				serverConnector.setPort(Grasscutter.getConfig().getDispatchOptions().Port);
+				serverConnector.setPort(DISPATCH_INFO.bindPort);
 				server.setConnectors(new Connector[]{serverConnector});
 				return server;
 			});
 
-			config.enforceSsl = Grasscutter.getConfig().getDispatchOptions().UseSSL;
-			if(Grasscutter.getConfig().DebugMode == ServerDebugMode.ALL) {
+			config.enforceSsl = DISPATCH_ENCRYPTION.useEncryption;
+			if(SERVER.debugLevel == ServerDebugMode.ALL) {
 				config.enableDevLogging();
 			}
-			if (Grasscutter.getConfig().getDispatchOptions().CORS){
-				if (Grasscutter.getConfig().getDispatchOptions().CORSAllowedOrigins.length > 0) config.enableCorsForOrigin(Grasscutter.getConfig().getDispatchOptions().CORSAllowedOrigins);
+			
+			if (DISPATCH_POLICIES.cors.enabled) {
+				var corsPolicy = DISPATCH_POLICIES.cors;
+				if (corsPolicy.allowedOrigins.length > 0) 
+					config.enableCorsForOrigin(corsPolicy.allowedOrigins);
 				else config.enableCorsForAllOrigins();
 			}
 		});
 		httpServer.get("/", (req, res) -> res.send("<!doctype html><html><head><meta charset=\"utf8\"></head><body>" + translate("messages.status.welcome") + "</body></html>"));
 
 		httpServer.raw().error(404, ctx -> {
-			if(Grasscutter.getConfig().DebugMode == ServerDebugMode.MISSING) {
+			if(SERVER.debugLevel == ServerDebugMode.MISSING) {
 				Grasscutter.getLogger().info(translate("messages.dispatch.unhandled_request_error", ctx.method(), ctx.url()));
 			}
 			ctx.contentType("text/html");
@@ -272,6 +259,15 @@ public final class DispatchServer {
 		httpServer.post("/authentication/register", (req, res) -> this.getAuthHandler().handleRegister(req, res));
 		httpServer.post("/authentication/change_password", (req, res) -> this.getAuthHandler().handleChangePassword(req, res));
 
+		// Server Status
+		httpServer.get("/status/server", (req, res) -> {
+
+			int playerCount = Grasscutter.getGameServer().getPlayers().size();
+			String version = GameConstants.VERSION;
+
+			res.send("{\"retcode\":0,\"status\":{\"playerCount\":" + playerCount + ",\"version\":\"" + version + "\"}}");
+		});
+
 		// Dispatch
 		httpServer.get("/query_region_list", (req, res) -> {
 			// Log
@@ -450,7 +446,7 @@ public final class DispatchServer {
 		httpServer.get("/admin/mi18n/plat_oversea/m202003048/m202003048-version.json", new DispatchHttpJsonHandler("{\"version\":51}"));
 
 		// gacha record.
-		String gachaMappingsPath = Utils.toFilePath(Grasscutter.getConfig().DATA_FOLDER + "/gacha_mappings.js");
+		String gachaMappingsPath = Utils.toFilePath(DATA("/gacha_mappings.js"));
 		// TODO: Only serve the html page and have a subsequent request to fetch the gacha data.
 		httpServer.get("/gacha", new GachaRecordHandler());
 		if(!(new File(gachaMappingsPath).exists())) {
@@ -462,7 +458,7 @@ public final class DispatchServer {
 		// static file support for plugins
 		httpServer.raw().config.precompressStaticFiles = false; // If this isn't set to false, files such as images may appear corrupted when serving static files
 
-		httpServer.listen(Grasscutter.getConfig().getDispatchOptions().Port);
+		httpServer.listen(DISPATCH_INFO.bindPort);
 		Grasscutter.getLogger().info(translate("messages.dispatch.port_bind", Integer.toString(httpServer.raw().port())));
 	}
 
@@ -481,15 +477,11 @@ public final class DispatchServer {
 
 			if (next > last) {
 				int eqPos = qs.indexOf('=', last);
-				try {
 				if (eqPos < 0 || eqPos > next) {
-						result.put(URLDecoder.decode(qs.substring(last, next), "utf-8"), "");
+					result.put(URLDecoder.decode(qs.substring(last, next), StandardCharsets.UTF_8), "");
 				} else {
-						result.put(URLDecoder.decode(qs.substring(last, eqPos), "utf-8"),
-								URLDecoder.decode(qs.substring(eqPos + 1, next), "utf-8"));
-					}
-				} catch (UnsupportedEncodingException e) {
-					throw new RuntimeException(e); // will never happen, utf-8 support is mandatory for java
+					result.put(URLDecoder.decode(qs.substring(last, eqPos), StandardCharsets.UTF_8),
+							URLDecoder.decode(qs.substring(eqPos + 1, next), StandardCharsets.UTF_8));
 				}
 			}
 			last = next + 1;

src/main/java/emu/grasscutter/server/dispatch/authentication/DefaultAuthenticationHandler.java

@@ -9,6 +9,7 @@ import express.http.Request;
 import express.http.Response;
 
 import static emu.grasscutter.utils.Language.translate;
+import static emu.grasscutter.Configuration.*;
 
 public class DefaultAuthenticationHandler implements AuthenticationHandler {
 
@@ -37,11 +38,11 @@ public class DefaultAuthenticationHandler implements AuthenticationHandler {
         // Check if account exists, else create a new one.
         if (account == null) {
             // Account doesn't exist, so we can either auto create it if the config value is set.
-            if (Grasscutter.getConfig().getDispatchOptions().AutomaticallyCreateAccounts) {
+            if (ACCOUNT.autoCreate) {
                 // This account has been created AUTOMATICALLY. There will be no permissions added.
                 account = DatabaseHelper.createAccountWithId(requestData.account, 0);
 
-                for (String permission : Grasscutter.getConfig().getDispatchOptions().defaultPermissions) {
+                for (String permission : ACCOUNT.defaultPermissions) {
                     account.addPermission(permission);
                 }
 

src/main/java/emu/grasscutter/server/dispatch/http/GachaRecordHandler.java

@@ -3,7 +3,6 @@ package emu.grasscutter.server.dispatch.http;
 import java.io.File;
 import java.io.IOException;
 
-import emu.grasscutter.Grasscutter;
 import emu.grasscutter.database.DatabaseHelper;
 import emu.grasscutter.game.Account;
 import emu.grasscutter.utils.FileUtils;
@@ -12,10 +11,12 @@ import express.http.HttpContextHandler;
 import express.http.Request;
 import express.http.Response;
 
+import static emu.grasscutter.Configuration.*;
+
 public final class GachaRecordHandler implements HttpContextHandler {
 	String render_template;
 	public GachaRecordHandler() {
-		File template = new File(Utils.toFilePath(Grasscutter.getConfig().DATA_FOLDER + "/gacha_records.html"));
+		File template = new File(Utils.toFilePath(DATA("/gacha_records.html")));
 		if (template.exists()) {
 			// Load from cache
 			render_template = new String(FileUtils.read(template));
@@ -31,11 +32,11 @@ public final class GachaRecordHandler implements HttpContextHandler {
 		int page = 0;
 		int gachaType = 0;
 		if (req.query("p") != null) {
-			page = Integer.valueOf(req.query("p"));
+			page = Integer.parseInt(req.query("p"));
 		}
 
 		if (req.query("gachaType") != null) {
-			gachaType = Integer.valueOf(req.query("gachaType"));
+			gachaType = Integer.parseInt(req.query("gachaType"));
 		}
 
 		Account account = DatabaseHelper.getAccountBySessionKey(sessionKey);

src/main/java/emu/grasscutter/server/game/GameServer.java

@@ -30,11 +30,9 @@ import java.net.InetSocketAddress;
 import java.time.OffsetDateTime;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.Executors;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.TimeUnit;
 
 import static emu.grasscutter.utils.Language.translate;
+import static emu.grasscutter.Configuration.*;
 
 public final class GameServer extends KcpServer {
 	private final InetSocketAddress address;
@@ -59,8 +57,8 @@ public final class GameServer extends KcpServer {
 
 	public GameServer() {
 		this(new InetSocketAddress(
-				Grasscutter.getConfig().getGameServerOptions().Ip, 
-				Grasscutter.getConfig().getGameServerOptions().Port
+				GAME_INFO.bindAddress,
+				GAME_INFO.bindPort
 		));
 	}
 	

src/main/java/emu/grasscutter/server/game/GameServerPacketHandler.java

@@ -14,6 +14,8 @@ import emu.grasscutter.server.game.GameSession.SessionState;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 
+import static emu.grasscutter.Configuration.*;
+
 @SuppressWarnings("unchecked")
 public class GameServerPacketHandler {
 	private final Int2ObjectMap<PacketHandler> handlers;
@@ -92,7 +94,7 @@ public class GameServerPacketHandler {
 		}
 		
 		// Log unhandled packets
-		if (Grasscutter.getConfig().DebugMode == ServerDebugMode.MISSING) {
+		if (SERVER.debugLevel == ServerDebugMode.MISSING) {
 			Grasscutter.getLogger().info("Unhandled packet (" + opcode + "): " + emu.grasscutter.net.packet.PacketOpcodesUtil.getOpcodeName(opcode));
 		}
 	}

src/main/java/emu/grasscutter/server/game/GameSession.java

@@ -3,7 +3,6 @@ package emu.grasscutter.server.game;
 import java.io.File;
 import java.net.InetSocketAddress;
 import java.nio.ByteBuffer;
-import java.util.HashSet;
 import java.util.Set;
 
 import emu.grasscutter.Grasscutter;
@@ -23,9 +22,10 @@ import io.netty.buffer.Unpooled;
 import io.netty.channel.ChannelHandlerContext;
 
 import static emu.grasscutter.utils.Language.translate;
+import static emu.grasscutter.Configuration.*;
 
 public class GameSession extends KcpChannel {
-	private GameServer server;
+	private final GameServer server;
 	
 	private Account account;
 	private Player player;
@@ -140,7 +140,7 @@ public class GameSession extends KcpChannel {
     }
     
     public void replayPacket(int opcode, String name) {
-    	String filePath = Grasscutter.getConfig().PACKETS_FOLDER + name;
+    	String filePath = PACKETS_FOLDER + name;
 		File p = new File(filePath);
 		
 		if (!p.exists()) return;
@@ -172,7 +172,7 @@ public class GameSession extends KcpChannel {
     	}
     	
     	// Log
-    	if (Grasscutter.getConfig().DebugMode == ServerDebugMode.ALL) {
+    	if (SERVER.debugLevel == ServerDebugMode.ALL) {
     		logPacket(packet);
     	}
 		
@@ -239,7 +239,7 @@ public class GameSession extends KcpChannel {
 				}
 				
 				// Log packet
-				if (Grasscutter.getConfig().DebugMode == ServerDebugMode.ALL) {
+				if (SERVER.debugLevel == ServerDebugMode.ALL) {
 					if (!loopPacket.contains(opcode)) {
 						Grasscutter.getLogger().info("RECV: " + PacketOpcodesUtil.getOpcodeName(opcode) + " (" + opcode + ")");
 						System.out.println(Utils.bytesToHex(payload));

src/main/java/emu/grasscutter/server/packet/recv/HandlerSetPlayerBornDataReq.java

@@ -19,6 +19,8 @@ import emu.grasscutter.server.game.GameSession.SessionState;
 
 import java.util.Arrays;
 
+import static emu.grasscutter.Configuration.*;
+
 @Opcodes(PacketOpcodes.SetPlayerBornDataReq)
 public class HandlerSetPlayerBornDataReq extends PacketHandler {
 	
@@ -85,12 +87,13 @@ public class HandlerSetPlayerBornDataReq extends PacketHandler {
 			session.send(new BasePacket(PacketOpcodes.SetPlayerBornDataRsp));
 
 			// Default mail
+			var welcomeMail = GAME_INFO.joinOptions.welcomeMail;
 			MailBuilder mailBuilder = new MailBuilder(player.getUid(), new Mail());
-			mailBuilder.mail.mailContent.title = Grasscutter.getConfig().GameServer.WelcomeMailTitle;
-			mailBuilder.mail.mailContent.sender = Grasscutter.getConfig().GameServer.WelcomeMailSender;
+			mailBuilder.mail.mailContent.title = welcomeMail.title;
+			mailBuilder.mail.mailContent.sender = welcomeMail.sender;
 			// Please credit Grasscutter if changing something here. We don't condone commercial use of the project.
-			mailBuilder.mail.mailContent.content = Grasscutter.getConfig().GameServer.WelcomeMailContent + "\n<type=\"browser\" text=\"GitHub\" href=\"https://github.com/Melledy/Grasscutter\"/>";
-			mailBuilder.mail.itemList.addAll(Arrays.asList(Grasscutter.getConfig().GameServer.WelcomeMailItems));
+			mailBuilder.mail.mailContent.content = welcomeMail.content + "\n<type=\"browser\" text=\"GitHub\" href=\"https://github.com/Melledy/Grasscutter\"/>";
+			mailBuilder.mail.itemList.addAll(Arrays.asList(welcomeMail.items));
 			mailBuilder.mail.importance = 1;
 			player.sendMail(mailBuilder.mail);
 		} catch (Exception e) {

src/main/java/emu/grasscutter/server/packet/send/PacketGetPlayerFriendListRsp.java

 package emu.grasscutter.server.packet.send;
 
 import emu.grasscutter.GameConstants;
-import emu.grasscutter.Grasscutter;
 import emu.grasscutter.game.friends.Friendship;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.net.packet.BasePacket;
@@ -12,20 +11,23 @@ import emu.grasscutter.net.proto.GetPlayerFriendListRspOuterClass.GetPlayerFrien
 import emu.grasscutter.net.proto.ProfilePictureOuterClass.ProfilePicture;
 import emu.grasscutter.net.proto.PlatformTypeOuterClass;
 
+import static emu.grasscutter.Configuration.*;
+
 public class PacketGetPlayerFriendListRsp extends BasePacket {
 	
 	public PacketGetPlayerFriendListRsp(Player player) {
 		super(PacketOpcodes.GetPlayerFriendListRsp);
 		
+		var serverAccount = GAME_INFO.serverAccount;
 		FriendBrief serverFriend = FriendBrief.newBuilder()
 				.setUid(GameConstants.SERVER_CONSOLE_UID)
-				.setNickname(Grasscutter.getConfig().getGameServerOptions().ServerNickname)
-				.setLevel(Grasscutter.getConfig().getGameServerOptions().ServerLevel)
-				.setProfilePicture(ProfilePicture.newBuilder().setAvatarId(Grasscutter.getConfig().getGameServerOptions().ServerAvatarId))
-				.setWorldLevel(Grasscutter.getConfig().getGameServerOptions().ServerWorldLevel)
-				.setSignature(Grasscutter.getConfig().getGameServerOptions().ServerSignature)
+				.setNickname(serverAccount.nickName)
+				.setLevel(serverAccount.adventureRank)
+				.setProfilePicture(ProfilePicture.newBuilder().setAvatarId(serverAccount.avatarId))
+				.setWorldLevel(serverAccount.worldLevel)
+				.setSignature(serverAccount.signature)
 				.setLastActiveTime((int) (System.currentTimeMillis() / 1000f))
-				.setNameCardId(Grasscutter.getConfig().getGameServerOptions().ServerNameCardId)
+				.setNameCardId(serverAccount.nameCardId)
 				.setOnlineState(FriendOnlineState.FRIEND_ONLINE)
 				.setParam(1)
 				.setIsGameSource(true)
@@ -37,10 +39,12 @@ public class PacketGetPlayerFriendListRsp extends BasePacket {
 		for (Friendship friendship : player.getFriendsList().getFriends().values()) {
 			proto.addFriendList(friendship.toProto());
 		}
+		
 		for (Friendship friendship : player.getFriendsList().getPendingFriends().values()) {
 			if (friendship.getAskerId() == player.getUid()) {
 				continue;
 			}
+			
 			proto.addAskFriendList(friendship.toProto());
 		}
 		

src/main/java/emu/grasscutter/server/packet/send/PacketPlayerLoginRsp.java

@@ -2,7 +2,6 @@ package emu.grasscutter.server.packet.send;
 
 import com.google.protobuf.ByteString;
 import emu.grasscutter.Grasscutter;
-import emu.grasscutter.Grasscutter.ServerDebugMode;
 import emu.grasscutter.Grasscutter.ServerRunMode;
 import emu.grasscutter.net.packet.BasePacket;
 import emu.grasscutter.net.packet.PacketOpcodes;
@@ -13,9 +12,10 @@ import emu.grasscutter.server.game.GameSession;
 import emu.grasscutter.utils.FileUtils;
 
 import java.io.File;
-import java.net.URL;
 import java.util.Base64;
 
+import static emu.grasscutter.Configuration.*;
+
 public class PacketPlayerLoginRsp extends BasePacket {
 
 	private static QueryCurrRegionHttpRspOuterClass.QueryCurrRegionHttpRsp regionCache;
@@ -27,10 +27,10 @@ public class PacketPlayerLoginRsp extends BasePacket {
 
 		RegionInfo info;
 
-		if (Grasscutter.getConfig().RunMode == ServerRunMode.GAME_ONLY) {
+		if (SERVER.runMode == ServerRunMode.GAME_ONLY) {
 			if (regionCache == null) {
 				try {
-					File file = new File(Grasscutter.getConfig().DATA_FOLDER + "query_cur_region.txt");
+					File file = new File(DATA("query_cur_region.txt"));
 					String query_cur_region = "";
 					if (file.exists()) {
 						query_cur_region = new String(FileUtils.read(file));
@@ -42,9 +42,9 @@ public class PacketPlayerLoginRsp extends BasePacket {
 					QueryCurrRegionHttpRspOuterClass.QueryCurrRegionHttpRsp regionQuery = QueryCurrRegionHttpRspOuterClass.QueryCurrRegionHttpRsp.parseFrom(decodedCurRegion);
 
 					RegionInfo serverRegion = regionQuery.getRegionInfo().toBuilder()
-							.setGateserverIp((Grasscutter.getConfig().getGameServerOptions().PublicIp.isEmpty() ? Grasscutter.getConfig().getGameServerOptions().Ip : Grasscutter.getConfig().getGameServerOptions().PublicIp))
-							.setGateserverPort(Grasscutter.getConfig().getGameServerOptions().PublicPort != 0 ? Grasscutter.getConfig().getGameServerOptions().PublicPort : Grasscutter.getConfig().getGameServerOptions().Port)
-							.setSecretKey(ByteString.copyFrom(FileUtils.read(Grasscutter.getConfig().KEY_FOLDER + "dispatchSeed.bin")))
+							.setGateserverIp(lr(GAME_INFO.accessAddress, GAME_INFO.bindAddress))
+							.setGateserverPort(lr(GAME_INFO.accessPort, GAME_INFO.bindPort))
+							.setSecretKey(ByteString.copyFrom(FileUtils.read(KEYS_FOLDER + "/dispatchSeed.bin")))
 							.build();
 
 					regionCache = regionQuery.toBuilder().setRegionInfo(serverRegion).build();

src/main/java/emu/grasscutter/server/packet/send/PacketPlayerStoreNotify.java

 package emu.grasscutter.server.packet.send;
 
-import emu.grasscutter.GameConstants;
-import emu.grasscutter.Grasscutter;
 import emu.grasscutter.game.inventory.GameItem;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.net.packet.BasePacket;
@@ -10,6 +8,8 @@ import emu.grasscutter.net.proto.ItemOuterClass.Item;
 import emu.grasscutter.net.proto.PlayerStoreNotifyOuterClass.PlayerStoreNotify;
 import emu.grasscutter.net.proto.StoreTypeOuterClass.StoreType;
 
+import static emu.grasscutter.Configuration.*;
+
 public class PacketPlayerStoreNotify extends BasePacket {
 	
 	public PacketPlayerStoreNotify(Player player) {
@@ -19,7 +19,7 @@ public class PacketPlayerStoreNotify extends BasePacket {
 		
 		PlayerStoreNotify.Builder p = PlayerStoreNotify.newBuilder()
 				.setStoreType(StoreType.STORE_PACK)
-				.setWeightLimit(Grasscutter.getConfig().getGameServerOptions().InventoryLimitAll);
+				.setWeightLimit(GAME_OPTIONS.inventoryLimits.all);
 		
 		for (GameItem item : player.getInventory()) {
 			Item itemProto = item.toProto();

src/main/java/emu/grasscutter/server/packet/send/PacketPullRecentChatRsp.java

 package emu.grasscutter.server.packet.send;
 
-import emu.grasscutter.Config.GameServerOptions;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.GameConstants;
-import emu.grasscutter.Grasscutter;
 import emu.grasscutter.net.packet.BasePacket;
 import emu.grasscutter.net.packet.PacketOpcodes;
 import emu.grasscutter.net.proto.ChatInfoOuterClass.ChatInfo;
 import emu.grasscutter.net.proto.PullRecentChatRspOuterClass.PullRecentChatRsp;
 import emu.grasscutter.utils.Utils;
 
+import static emu.grasscutter.Configuration.*;
+
 public class PacketPullRecentChatRsp extends BasePacket {
 	public PacketPullRecentChatRsp(Player player) {
 		super(PacketOpcodes.PullRecentChatRsp);
 		
-		GameServerOptions serverOptions = Grasscutter.getConfig().getGameServerOptions();
+		var joinOptions = GAME_INFO.joinOptions;
 		PullRecentChatRsp.Builder proto = PullRecentChatRsp.newBuilder();
 		
-		if (serverOptions.WelcomeEmotes != null && serverOptions.WelcomeEmotes.length > 0) {
+		if (joinOptions.welcomeEmotes != null && joinOptions.welcomeEmotes.length > 0) {
 			ChatInfo welcomeEmote = ChatInfo.newBuilder()
 				.setTime((int) (System.currentTimeMillis() / 1000))
 				.setUid(GameConstants.SERVER_CONSOLE_UID)
 				.setToUid(player.getUid())
-				.setIcon(serverOptions.WelcomeEmotes[Utils.randomRange(0, serverOptions.WelcomeEmotes.length - 1)])
+				.setIcon(joinOptions.welcomeEmotes[Utils.randomRange(0, joinOptions.welcomeEmotes.length - 1)])
 				.build();
 			
 			proto.addChatInfo(welcomeEmote);
 		}
 		
-		if (serverOptions.WelcomeMotd != null && serverOptions.WelcomeMotd.length() > 0) {
-			ChatInfo welcomeMotd = ChatInfo.newBuilder()
+		if (joinOptions.welcomeMessage != null && joinOptions.welcomeMessage.length() > 0) {
+			ChatInfo welcomeMessage = ChatInfo.newBuilder()
 				.setTime((int) (System.currentTimeMillis() / 1000))
 				.setUid(GameConstants.SERVER_CONSOLE_UID)
 				.setToUid(player.getUid())
-				.setText(Grasscutter.getConfig().getGameServerOptions().WelcomeMotd)
+				.setText(joinOptions.welcomeMessage)
 				.build();
-			
-			proto.addChatInfo(welcomeMotd);
+			proto.addChatInfo(welcomeMessage);
 		}
 
 		this.setData(proto);

src/main/java/emu/grasscutter/server/packet/send/PacketStoreWeightLimitNotify.java

 package emu.grasscutter.server.packet.send;
 
-import emu.grasscutter.Grasscutter;
 import emu.grasscutter.net.packet.BasePacket;
 import emu.grasscutter.net.packet.PacketOpcodes;
 import emu.grasscutter.net.proto.StoreTypeOuterClass.StoreType;
 import emu.grasscutter.net.proto.StoreWeightLimitNotifyOuterClass.StoreWeightLimitNotify;
 
+import static emu.grasscutter.Configuration.*;
+
 public class PacketStoreWeightLimitNotify extends BasePacket {
 	
 	public PacketStoreWeightLimitNotify() {
@@ -13,11 +14,11 @@ public class PacketStoreWeightLimitNotify extends BasePacket {
 
 		StoreWeightLimitNotify p = StoreWeightLimitNotify.newBuilder()
 				.setStoreType(StoreType.STORE_PACK)
-				.setWeightLimit(Grasscutter.getConfig().getGameServerOptions().InventoryLimitAll)
-				.setWeaponCountLimit(Grasscutter.getConfig().getGameServerOptions().InventoryLimitWeapon)
-				.setReliquaryCountLimit(Grasscutter.getConfig().getGameServerOptions().InventoryLimitRelic)
-				.setMaterialCountLimit(Grasscutter.getConfig().getGameServerOptions().InventoryLimitMaterial)
-				.setFurnitureCountLimit(Grasscutter.getConfig().getGameServerOptions().InventoryLimitFurniture)
+				.setWeightLimit(INVENTORY_LIMITS.all)
+				.setWeaponCountLimit(INVENTORY_LIMITS.weapons)
+				.setReliquaryCountLimit(INVENTORY_LIMITS.relics)
+				.setMaterialCountLimit(INVENTORY_LIMITS.materials)
+				.setFurnitureCountLimit(INVENTORY_LIMITS.furniture)
 				.build();
 		
 		this.setData(p);

src/main/java/emu/grasscutter/tools/Tools.java

 package emu.grasscutter.tools;
 
-import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
-import java.io.FileReader;
-import java.io.FileWriter;
-import java.io.FilenameFilter;
 import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
@@ -14,14 +10,12 @@ import java.nio.charset.StandardCharsets;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.*;
-import java.util.stream.Collectors;
 
 import com.google.gson.reflect.TypeToken;
 
 import emu.grasscutter.GameConstants;
 import emu.grasscutter.Grasscutter;
 import emu.grasscutter.command.Command;
-import emu.grasscutter.command.CommandHandler;
 import emu.grasscutter.command.CommandMap;
 import emu.grasscutter.data.GameData;
 import emu.grasscutter.data.ResourceLoader;
@@ -32,6 +26,7 @@ import emu.grasscutter.data.def.SceneData;
 import emu.grasscutter.utils.Utils;
 
 import static emu.grasscutter.utils.Language.translate;
+import static emu.grasscutter.Configuration.*;
 
 public final class Tools {
 	public static void createGmHandbook() throws Exception {
@@ -42,50 +37,45 @@ public final class Tools {
 		ToolsWithLanguageOption.createGachaMapping(location, getLanguageOption());
 	}
 
-	public static List<String> getAvailableLanguage() throws Exception {
-		File textMapFolder = new File(Grasscutter.getConfig().RESOURCE_FOLDER + "TextMap");
-		List<String> availableLangList = new ArrayList<String>();
-		for (String textMapFileName : textMapFolder.list(new FilenameFilter() {
-			@Override
-			public boolean accept(File dir, String name) {
-				if (name.startsWith("TextMap") && name.endsWith(".json")){
-					return true;
-				}
-				return false;
-			}
-		})) {
-			availableLangList.add(textMapFileName.replace("TextMap","").replace(".json","").toLowerCase());
-		}
-		return availableLangList;
+	public static List<String> getAvailableLanguage() {
+		File textMapFolder = new File(RESOURCE("TextMap"));
+		List<String> availableLangList = new ArrayList<>();
+		for (String textMapFileName : Objects.requireNonNull(textMapFolder.list((dir, name) -> name.startsWith("TextMap") && name.endsWith(".json")))) {
+			availableLangList.add(textMapFileName.replace("TextMap", "").replace(".json", "").toLowerCase());
+		} return availableLangList;
 	}
 
-	public static String getLanguageOption() throws Exception {
+	public static String getLanguageOption() {
 		List<String> availableLangList = getAvailableLanguage();
 	
 		// Use system out for better format
 		if (availableLangList.size() == 1) {
 			return availableLangList.get(0).toUpperCase();
 		}
-		String stagedMessage = "";
-		stagedMessage += "The following languages mappings are available, please select one: [default: EN]\n";
-		String groupedLangList = ">\t";
+		StringBuilder stagedMessage = new StringBuilder();
+		stagedMessage.append("The following languages mappings are available, please select one: [default: EN] \n");
+		
+		StringBuilder groupedLangList = new StringBuilder(">\t"); String input;
 		int groupedLangCount = 0;
-		String input = "";
+		
 		for (String availableLanguage: availableLangList){
 			groupedLangCount++;
-			groupedLangList = groupedLangList + "" + availableLanguage + "\t";
+			groupedLangList.append(availableLanguage).append("\t");
+			
 			if (groupedLangCount == 6) {
-				stagedMessage += groupedLangList + "\n";
+				stagedMessage.append(groupedLangList).append("\n");
 				groupedLangCount = 0;
-				groupedLangList = ">\t";
+				groupedLangList = new StringBuilder(">\t");
 			}
 		}
+		
 		if (groupedLangCount > 0) {
-			stagedMessage += groupedLangList + "\n";
+			stagedMessage.append(groupedLangList).append("\n");
 		}
-		stagedMessage += "\nYour choice:[EN] ";
 		
-		input = Grasscutter.getConsole().readLine(stagedMessage);
+		stagedMessage.append("\nYour choice:[EN] ");
+		
+		input = Grasscutter.getConsole().readLine(stagedMessage.toString());
 		if (availableLangList.contains(input.toLowerCase())) {
 			return input.toUpperCase();
 		}
@@ -101,7 +91,7 @@ final class ToolsWithLanguageOption {
 		ResourceLoader.loadResources();
 		
 		Map<Long, String> map;
-		try (InputStreamReader fileReader = new InputStreamReader(new FileInputStream(Utils.toFilePath(Grasscutter.getConfig().RESOURCE_FOLDER + "TextMap/TextMap"+language+".json")), StandardCharsets.UTF_8)) {
+		try (InputStreamReader fileReader = new InputStreamReader(new FileInputStream(Utils.toFilePath(RESOURCE("TextMap/TextMap"+language+".json"))), StandardCharsets.UTF_8)) {
 			map = Grasscutter.getGsonFactory().fromJson(fileReader, new TypeToken<Map<Long, String>>() {}.getType());
 		}
 		
@@ -119,9 +109,9 @@ final class ToolsWithLanguageOption {
 
 			writer.println("// Commands");
 			for (Command cmd : cmdList) {
-				String cmdName = cmd.label();
+				StringBuilder cmdName = new StringBuilder(cmd.label());
 				while (cmdName.length() <= 15) {
-					cmdName = " " + cmdName;
+					cmdName.insert(0, " ");
 				}
 				writer.println(cmdName + " : " + translate(cmd.description()));
 			}
@@ -178,16 +168,13 @@ final class ToolsWithLanguageOption {
 		ResourceLoader.loadResources();
 		
 		Map<Long, String> map;
-		try (InputStreamReader fileReader = new InputStreamReader(new FileInputStream(Utils.toFilePath(Grasscutter.getConfig().RESOURCE_FOLDER + "TextMap/TextMap"+language+".json")), StandardCharsets.UTF_8)) {
+		try (InputStreamReader fileReader = new InputStreamReader(new FileInputStream(Utils.toFilePath(RESOURCE("TextMap/TextMap" + language + ".json"))), StandardCharsets.UTF_8)) {
 			map = Grasscutter.getGsonFactory().fromJson(fileReader, new TypeToken<Map<Long, String>>() {}.getType());
 		}
 		
 		List<Integer> list;
 
-		String fileName = location;
-
-		try (PrintWriter writer = new PrintWriter(new OutputStreamWriter(new FileOutputStream(fileName), StandardCharsets.UTF_8), false)) {
-			
+		try (PrintWriter writer = new PrintWriter(new OutputStreamWriter(new FileOutputStream(location), StandardCharsets.UTF_8), false)) {
 			list = new ArrayList<>(GameData.getAvatarDataMap().keySet());
 			Collections.sort(list); 
 			 
@@ -209,18 +196,11 @@ final class ToolsWithLanguageOption {
 				} else {
 					writer.print(",");
 				}
-				String color;
-				switch (data.getQualityType()){
-					case "QUALITY_PURPLE":
-						color = "purple";
-						break;
-					case "QUALITY_ORANGE":
-						color = "yellow";
-						break;
-					case "QUALITY_BLUE":
-					default:
-						color = "blue";
-				}
+				String color = switch (data.getQualityType()) {
+					case "QUALITY_PURPLE" -> "purple";
+					case "QUALITY_ORANGE" -> "yellow";
+					default -> "blue";
+				};
 				// Got the magic number 4233146695 from manually search in the json file
 				writer.println(
 					"\"" + (avatarID % 1000 + 1000) + "\" : [\"" 

src/main/java/emu/grasscutter/utils/ConfigContainer.java

+package emu.grasscutter.utils;
+
+import com.google.gson.JsonObject;
+import emu.grasscutter.Grasscutter;
+
+import java.io.FileReader;
+import java.lang.reflect.Field;
+import java.util.Arrays;
+import java.util.Locale;
+
+import static emu.grasscutter.Grasscutter.config;
+
+/**
+ * *when your JVM fails*
+ */
+public class ConfigContainer {
+    private static int version() {
+        return 1;
+    }
+
+    /**
+     * Attempts to update the server's existing configuration to the latest 
+     */
+    public static void updateConfig() {
+        try { // Check if the server is using a legacy config.
+            JsonObject configObject = Grasscutter.getGsonFactory()
+                    .fromJson(new FileReader(Grasscutter.configFile), JsonObject.class);
+            if(!configObject.has("version")) {
+                Grasscutter.getLogger().info("Updating legacy ..");
+                Grasscutter.saveConfig(null);
+            }
+        } catch (Exception ignored) { }
+
+        var existing = config.version;
+        var latest = version();
+
+        if(existing == latest)
+            return;
+
+        // Create a new configuration instance.
+        ConfigContainer updated = new ConfigContainer();
+        // Update all configuration fields.
+        Field[] fields = ConfigContainer.class.getDeclaredFields();
+        Arrays.stream(fields).forEach(field -> {
+            try {
+                field.set(updated, field.get(config));
+            } catch (Exception exception) {
+                Grasscutter.getLogger().error("Failed to update a configuration field.", exception);
+            }
+        }); updated.version = version();
+
+        try { // Save configuration & reload.
+            Grasscutter.saveConfig(updated);
+            Grasscutter.loadConfig();
+        } catch (Exception exception) {
+            Grasscutter.getLogger().warn("Failed to inject the updated ", exception);
+        }
+    }
+    
+    public Structure folderStructure = new Structure();
+    public Database databaseInfo = new Database();
+    public Language language = new Language();
+    public Account account = new Account();
+    public Server server = new Server();
+
+    // DO NOT. TOUCH. THE VERSION NUMBER.
+    public int version = version();
+
+    /* Option containers. */
+
+    public static class Database {
+        public String connectionUri = "mongodb://localhost:27017";
+        public String collection = "grasscutter";
+    }
+
+    public static class Structure {
+        public String resources = "./resources/";
+        public String data = "./data/";
+        public String packets = "./packets/";
+        public String keys = "./keys/";
+        public String scripts = "./resources/scripts/";
+        public String plugins = "./plugins/";
+
+        // UNUSED (potentially added later?)
+        // public String dumps = "./dumps/";
+    }
+
+    public static class Server {
+        public Grasscutter.ServerDebugMode debugLevel = Grasscutter.ServerDebugMode.NONE;
+        public Grasscutter.ServerRunMode runMode = Grasscutter.ServerRunMode.HYBRID;
+
+        public Dispatch dispatch = new Dispatch();
+        public Game game = new Game();
+    }
+
+    public static class Language {
+        public Locale language = Locale.getDefault();
+        public Locale fallback = Locale.US;
+    }
+
+    public static class Account {
+        public boolean autoCreate = false;
+        public String[] defaultPermissions = {};
+    }
+
+    /* Server options. */
+
+    public static class Dispatch {
+        public String bindAddress = "0.0.0.0";
+        /* This is the address used in URLs. */
+        public String accessAddress = "127.0.0.1";
+
+        public int bindPort = 443;
+        /* This is the port used in URLs. */
+        public int accessPort = 443;
+
+        public Encryption encryption = new Encryption();
+        public Policies policies = new Policies();
+        public Region[] regions = {};
+
+        public String defaultName = "Grasscutter";
+    }
+
+    public static class Game {
+        public String bindAddress = "0.0.0.0";
+        /* This is the address used in the default region. */
+        public String accessAddress = "127.0.0.1";
+
+        public int bindPort = 22102;
+        /* This is the port used in the default region. */
+        public int accessPort = 22102;
+
+        public GameOptions gameOptions = new GameOptions();
+        public JoinOptions joinOptions = new JoinOptions();
+        public ConsoleAccount serverAccount = new ConsoleAccount();
+    }
+
+    /* Data containers. */
+
+    public static class Encryption {
+        public boolean useEncryption = true;
+        /* Should 'https' be appended to URLs? */
+        public boolean useInRouting = true;
+        public String keystore = "./keystore.p12";
+        public String keystorePassword = "123456";
+    }
+
+    public static class Policies {
+        public Policies.CORS cors = new Policies.CORS();
+
+        public static class CORS {
+            public boolean enabled = false;
+            public String[] allowedOrigins = new String[]{"*"};
+        }
+    }
+
+    public static class GameOptions {
+        public GameOptions.InventoryLimits inventoryLimits = new GameOptions.InventoryLimits();
+        public GameOptions.AvatarLimits avatarLimits = new GameOptions.AvatarLimits();
+        public int worldEntityLimit = 1000; // Unenforced. TODO: Implement.
+
+        public boolean watchGachaConfig = false;
+        public boolean enableShopItems = true;
+        public boolean staminaUsage = true;
+        public GameOptions.Rates rates = new GameOptions.Rates();
+
+        public Database databaseInfo = new Database();
+
+        public static class InventoryLimits {
+            public int weapons = 2000;
+            public int relics = 2000;
+            public int materials = 2000;
+            public int furniture = 2000;
+            public int all = 30000;
+        }
+
+        public static class AvatarLimits {
+            public int singlePlayerTeam = 4;
+            public int multiplayerTeam = 4;
+        }
+
+        public static class Rates {
+            public float adventureExp = 1.0f;
+            public float mora = 1.0f;
+            public float leyLines = 1.0f;
+        }
+    }
+
+    public static class JoinOptions {
+        public int[] welcomeEmotes = {2007, 1002, 4010};
+        public String welcomeMessage = "Welcome to a Grasscutter server.";
+        public JoinOptions.Mail welcomeMail = new JoinOptions.Mail();
+
+        public static class Mail {
+            public String title = "Welcome to Grasscutter!";
+            public String content = """
+                    Hi there!\r
+                    First of all, welcome to Grasscutter. If you have any issues, please let us know so that Lawnmower can help you! \r
+                    \r
+                    Check out our:\r
+                    <type="browser" text="Discord" href="https://discord.gg/T5vZU6UyeG"/>
+                    """;
+            public String sender = "Lawnmower";
+            public emu.grasscutter.game.mail.Mail.MailItem[] items = {
+                    new emu.grasscutter.game.mail.Mail.MailItem(13509, 1, 1),
+                    new emu.grasscutter.game.mail.Mail.MailItem(201, 99999, 1)
+            };
+        }
+    }
+
+    public static class ConsoleAccount {
+        public int avatarId = 10000007;
+        public int nameCardId = 210001;
+        public int adventureRank = 1;
+        public int worldLevel = 0;
+
+        public String nickName = "Server";
+        public String signature = "Welcome to Grasscutter!";
+    }
+
+    /* Objects. */
+
+    public static class Region {
+        public String Name = "os_usa";
+        public String Title = "Grasscutter";
+        public String Ip = "127.0.0.1";
+        public int Port = 22102;
+    }
+}

src/main/java/emu/grasscutter/utils/Crypto.java

@@ -7,6 +7,8 @@ import emu.grasscutter.Grasscutter;
 import emu.grasscutter.net.proto.GetPlayerTokenRspOuterClass.GetPlayerTokenRsp;
 import emu.grasscutter.net.proto.QueryCurrRegionHttpRspOuterClass.QueryCurrRegionHttpRsp;
 
+import static emu.grasscutter.Configuration.*;
+
 public final class Crypto {
 	private static final SecureRandom secureRandom = new SecureRandom();
 	public static final long ENCRYPT_SEED = Long.parseUnsignedLong("11468049314633205968");
@@ -16,9 +18,9 @@ public final class Crypto {
 	public static byte[] ENCRYPT_KEY;
 	
 	public static void loadKeys() {
-		DISPATCH_KEY = FileUtils.read(Grasscutter.getConfig().KEY_FOLDER + "dispatchKey.bin");
-		ENCRYPT_KEY = FileUtils.read(Grasscutter.getConfig().KEY_FOLDER + "secretKey.bin");
-		ENCRYPT_SEED_BUFFER = FileUtils.read(Grasscutter.getConfig().KEY_FOLDER + "secretKeyBuffer.bin");
+		DISPATCH_KEY = FileUtils.read(KEYS_FOLDER + "/dispatchKey.bin");
+		ENCRYPT_KEY = FileUtils.read(KEYS_FOLDER + "/secretKey.bin");
+		ENCRYPT_SEED_BUFFER = FileUtils.read(KEYS_FOLDER + "/secretKeyBuffer.bin");
 	}
 	
 	public static void xor(byte[] packet, byte[] key) {
@@ -34,7 +36,7 @@ public final class Crypto {
 	public static void extractSecretKeyBuffer(byte[] data) {
 		try {
 			GetPlayerTokenRsp p = GetPlayerTokenRsp.parseFrom(data);
-			FileUtils.write(Grasscutter.getConfig().KEY_FOLDER + "secretKeyBuffer.bin", p.getSecretKeyBytes().toByteArray());
+			FileUtils.write(KEYS_FOLDER + "/secretKeyBuffer.bin", p.getSecretKeyBytes().toByteArray());
 			Grasscutter.getLogger().info("Secret Key: " + p.getSecretKey());
 		} catch (Exception e) {
 			Grasscutter.getLogger().error("Crypto error.", e);
@@ -44,7 +46,7 @@ public final class Crypto {
 	public static void extractDispatchSeed(String data) {
 		try {
 			QueryCurrRegionHttpRsp p = QueryCurrRegionHttpRsp.parseFrom(Base64.getDecoder().decode(data));
-			FileUtils.write(Grasscutter.getConfig().KEY_FOLDER + "dispatchSeed.bin", p.getRegionInfo().getSecretKey().toByteArray());
+			FileUtils.write(KEYS_FOLDER + "/dispatchSeed.bin", p.getRegionInfo().getSecretKey().toByteArray());
 		} catch (Exception e) {
 			Grasscutter.getLogger().error("Crypto error.", e);
 		}