Convert to the far superior config system

src/main/java/emu/grasscutter/Configuration.java

@@ -3,17 +3,141 @@ package emu.grasscutter;
 import emu.grasscutter.Grasscutter.*;
 import emu.grasscutter.game.mail.Mail.*;
 
+import java.lang.reflect.Field;
+import java.util.Arrays;
 import java.util.Locale;
 
+import static emu.grasscutter.Grasscutter.config;
+
 /**
  * A data container for the server's configuration.
+ * 
+ * Use `import static emu.grasscutter.Configuration.*;`
+ * to import all configuration constants.
  */
 public final class Configuration {
+    private static int version() {
+        return 1;
+    }
+    
+    /**
+     * Attempts to update the server's existing configuration to the latest configuration.
+     */
+    public static void updateConfig() {
+        var existing = config.version; 
+        var latest = version();
+        
+        if(existing == latest) 
+            return;
+        
+        // Create a new configuration instance.
+        Configuration updated = new Configuration();
+        // Update all configuration fields.
+        Field[] fields = Configuration.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);
+            }
+        });
+        
+        try { // Save configuration & reload.
+            Grasscutter.saveConfig(updated);
+            Grasscutter.reloadConfig();
+        } catch (Exception exception) {
+            Grasscutter.getLogger().warn("Failed to inject the updated configuration.", exception);
+        }
+    }
+    
+    /*
+     * Constants
+     */
+    
+    // 'c' is short for 'config' and makes code look 'cleaner'.
+    public static final Configuration c = config;
+    
+    public static final Locale LANGUAGE = config.language.language;
+    public static final Locale FALLBACK_LANGUAGE = config.language.fallback;
+    public static final String DATA_FOLDER = config.folderStructure.data;
+    public static final String RESOURCES_FOLDER = config.folderStructure.resources;
+    public static final String KEYS_FOLDER = config.folderStructure.keys;
+    public static final String PLUGINS_FOLDER = config.folderStructure.plugins;
+    public static final String SCRIPTS_FOLDER = config.folderStructure.scripts;
+    public static final String PACKETS_FOLDER = config.folderStructure.packets;
+    
+    public static final Server SERVER = config.server;
+    public static final Database DATABASE = config.databaseInfo;
+    public static final Account ACCOUNT = config.account;
+    
+    public static final Dispatch DISPATCH_INFO = config.server.dispatch;
+    public static final Game GAME_INFO = config.server.game;
+    
+    public static final Encryption DISPATCH_ENCRYPTION = config.server.dispatch.encryption;
+    public static final Policies DISPATCH_POLICIES = config.server.dispatch.policies;
+    
+    public static final GameOptions GAME_OPTIONS = config.server.game.gameOptions;
+    public static final GameOptions.InventoryLimits INVENTORY_LIMITS = config.server.game.gameOptions.inventoryLimits;
+    
+    /*
+     * Utilities
+     */
+    
+    public static String DATA(String path) {
+        return DATA_FOLDER + "/" + path;
+    }
+    
+    public static String RESOURCE(String path) {
+        return RESOURCES_FOLDER + "/" + path;
+    }
+    
+    public static String SCRIPT(String path) {
+        return SCRIPTS_FOLDER + "/" + path;
+    }
+
+    /**
+     * Fallback method.
+     * @param left Attempt to use.
+     * @param right Use if left is undefined.
+     * @return Left or right.
+     */
+    public static <T> T lr(T left, T right) {
+        return left == null ? right : left;
+    }
+
+    /**
+     * {@link Configuration#lr(Object, Object)} for {@link String}s.
+     * @param left Attempt to use.
+     * @param right Use if left is empty.
+     * @return Left or right.
+     */
+    public static String lr(String left, String right) {
+        return left.isEmpty() ? right : left;
+    }
+
+    /**
+     * {@link Configuration#lr(Object, Object)} for {@link Integer}s.
+     * @param left Attempt to use.
+     * @param right Use if left is 0.
+     * @return Left or right.
+     */
+    public static int lr(int left, int right) {
+        return left == 0 ? right : left;
+    }
+    
+    /*
+     * Configuration data.
+     */
+    
     public Structure folderStructure;
     public Database databaseInfo;
     public Language language;
+    public Account account;
     public Server server;
     
+    // DO NOT. TOUCH. THE VERSION NUMBER.
+    public int version = version();
+    
     /* Option containers. */
     
     public static class Database {
@@ -45,6 +169,11 @@ public final class Configuration {
         public Locale language = Locale.getDefault();
         public Locale fallback = Locale.US;
     }
+    
+    public static class Account {
+        public boolean autoCreate = false;
+        public String[] defaultPermissions = {};
+    }
 
     /* Server options. */
 
@@ -60,6 +189,8 @@ public final class Configuration {
         public Encryption encryption = new Encryption();
         public Policies policies = new Policies();
         public Region[] regions = {};
+        
+        public String defaultName = "Grasscutter";
     }
     
     public static class Game {
@@ -100,10 +231,13 @@ public final class Configuration {
         public AvatarLimits avatarLimits = new AvatarLimits();
         public int worldEntityLimit = 1000; // Unenforced. TODO: Implement.
         
-        public boolean watchGachaConfiguration = false;
+        public boolean watchGachaConfig = false;
         public boolean enableShopItems = true;
+        public boolean staminaUsage = true;
         public Rates rates = new Rates();
         
+        public Database databaseInfo = new Database();
+        
         public static class InventoryLimits {
             public int weapons = 2000;
             public int relics = 2000;
@@ -127,6 +261,7 @@ public final class Configuration {
     public static class JoinOptions {
         public int[] welcomeEmotes = {2007, 1002, 4010};
         public String welcomeMessage = "Welcome to a Grasscutter server.";
+        public Mail welcomeMail = new Mail();
         
         public static class Mail {
             public String title = "Welcome to Grasscutter!";

src/main/java/emu/grasscutter/Grasscutter.java

 package emu.grasscutter;
 
-import java.io.File;
-import java.io.FileReader;
-import java.io.FileWriter;
-import java.io.IOError;
+import java.io.*;
+import java.lang.reflect.Field;
+import java.util.Arrays;
 import java.util.Calendar;
 
 import emu.grasscutter.command.CommandMap;
@@ -32,13 +31,15 @@ import emu.grasscutter.server.game.GameServer;
 import emu.grasscutter.tools.Tools;
 import emu.grasscutter.utils.Crypto;
 
+import javax.annotation.Nullable;
+
 import static emu.grasscutter.utils.Language.translate;
+import static emu.grasscutter.Configuration.*;
 
 public final class Grasscutter {
 	private static final Logger log = (Logger) LoggerFactory.getLogger(Grasscutter.class);
 	private static LineReader consoleLineReader = null;
-
-	private static Config config;
+	
 	private static Language language;
 
 	private static final Gson gson = new GsonBuilder().setPrettyPrinting().create();
@@ -51,13 +52,14 @@ public final class Grasscutter {
 	private static PluginManager pluginManager;
 
 	public static final Reflections reflector = new Reflections("emu.grasscutter");
+	public static final Configuration config;
   
 	static {
 		// Declare logback configuration.
 		System.setProperty("logback.configurationFile", "src/main/resources/logback.xml");
 
 		// Load server configuration.
-		Grasscutter.loadConfig();
+		config = Grasscutter.loadConfig();
 
 		// Load translation files.
 		Grasscutter.loadLanguage();
@@ -66,9 +68,9 @@ public final class Grasscutter {
 		Utils.startupCheck();
 	}
 
-  public static void main(String[] args) throws Exception {
-    	Crypto.loadKeys(); // Load keys from buffers.
-
+  	public static void main(String[] args) throws Exception {
+		Crypto.loadKeys(); // Load keys from buffers.
+	
 		// Parse arguments.
 		boolean exitEarly = false;
 		for (String arg : args) {
@@ -77,25 +79,25 @@ public final class Grasscutter {
 					Tools.createGmHandbook(); exitEarly = true;
 				}
 				case "-gachamap" -> {
-					Tools.createGachaMapping(Grasscutter.getConfig().DATA_FOLDER + "/gacha_mappings.js"); exitEarly = true;
+					Tools.createGachaMapping(DATA("gacha_mappings.js")); exitEarly = true;
 				}
 			}
 		} 
 		
 		// Exit early if argument sets it.
 		if(exitEarly) System.exit(0);
-
+	
 		// Initialize server.
 		Grasscutter.getLogger().info(translate("messages.status.starting"));
-
+	
 		// Load all resources.
 		Grasscutter.updateDayOfWeek();
 		ResourceLoader.loadAll();
 		ScriptLoader.init();
-
+	
 		// Initialize database.
 		DatabaseManager.initialize();
-
+	
 		// Create server instances.
 		dispatchServer = new DispatchServer();
 		gameServer = new GameServer();
@@ -103,31 +105,32 @@ public final class Grasscutter {
 		new ServerHook(gameServer, dispatchServer);
 		// Create plugin manager instance.
 		pluginManager = new PluginManager();
-
+	
 		// Start servers.
-		if (getConfig().RunMode == ServerRunMode.HYBRID) {
+		var runMode = SERVER.runMode;
+		if (runMode == ServerRunMode.HYBRID) {
 			dispatchServer.start();
 			gameServer.start();
-		} else if (getConfig().RunMode == ServerRunMode.DISPATCH_ONLY) {
+		} else if (runMode == ServerRunMode.DISPATCH_ONLY) {
 			dispatchServer.start();
-		} else if (getConfig().RunMode == ServerRunMode.GAME_ONLY) {
+		} else if (runMode == ServerRunMode.GAME_ONLY) {
 			gameServer.start();
 		} else {
-			getLogger().error(translate("messages.status.run_mode_error", getConfig().RunMode));
+			getLogger().error(translate("messages.status.run_mode_error", runMode));
 			getLogger().error(translate("messages.status.run_mode_help"));
 			getLogger().error(translate("messages.status.shutdown"));
 			System.exit(1);
 		}
-
+	
 		// Enable all plugins.
 		pluginManager.enablePlugins();
-
+	
 		// Hook into shutdown event.
 		Runtime.getRuntime().addShutdownHook(new Thread(Grasscutter::onShutdown));
-
+	
 		// Open console.
 		startConsole();
- }
+ 	}
 
 	/**
 	 * Server shutdown event.
@@ -137,32 +140,60 @@ public final class Grasscutter {
 		pluginManager.disablePlugins();
 	}
 
-	public static void loadConfig() {
+	/**
+	 * Attempts to load the configuration from a file.
+	 * @return The config from the file, or a new instance.
+	 */
+	public static Configuration loadConfig() {
 		try (FileReader file = new FileReader(configFile)) {
-			config = gson.fromJson(file, Config.class);
-			saveConfig();
+			return gson.fromJson(file, Configuration.class);
 		} catch (Exception e) {
-			Grasscutter.config = new Config(); 
-			saveConfig();
+			Grasscutter.saveConfig(null);
+			return new Configuration();
 		}
 	}
 
+	/**
+	 * Attempts to reload the configuration from the file.
+	 * Uses reflection to **replace** the fields in the config.
+	 */
+	public static void reloadConfig() {
+		Configuration fileConfig = Grasscutter.loadConfig();
+		
+		Field[] fields = Configuration.class.getDeclaredFields();
+		Arrays.stream(fields).forEach(field -> {
+			try {
+				field.set(config, field.get(fileConfig));
+			} catch (Exception exception) {
+				Grasscutter.getLogger().error("Failed to update a configuration field.", exception);
+			}
+		});
+	}
+
 	public static void loadLanguage() {
-		var locale = config.LocaleLanguage;
+		var locale = config.language.language;
         language = Language.getLanguage(Utils.getLanguageCode(locale));
 	}
 
-	public static void saveConfig() {
+	/**
+	 * Saves the provided server configuration.
+	 * @param config The configuration to save, or null for a new one.
+	 */
+	public static void saveConfig(@Nullable Configuration config) {
+		if(config == null) config = new Configuration();
+		
 		try (FileWriter file = new FileWriter(configFile)) {
 			file.write(gson.toJson(config));
+		} catch (IOException ignored) {
+			Grasscutter.getLogger().error("Unable to write to config file.");
 		} catch (Exception e) {
-			Grasscutter.getLogger().error("Unable to save config file.");
+			Grasscutter.getLogger().error("Unable to save config file.", e);
 		}
 	}
 
 	public static void startConsole() {
 		// Console should not start in dispatch only mode.
-		if (getConfig().RunMode == ServerRunMode.DISPATCH_ONLY) {
+		if (SERVER.runMode == ServerRunMode.DISPATCH_ONLY) {
 			getLogger().info(translate("messages.dispatch.no_commands_error"));
 			return;
 		}
@@ -198,7 +229,7 @@ public final class Grasscutter {
 		}
 	}
 
-	public static Config getConfig() {
+	public static Configuration getConfig() {
 		return config;
 	}
 

src/main/java/emu/grasscutter/command/commands/ReloadCommand.java

@@ -16,7 +16,7 @@ public final class ReloadCommand implements CommandHandler {
     public void execute(Player sender, Player targetPlayer, List<String> args) {
         CommandHandler.sendMessage(sender, translate(sender, "commands.reload.reload_start"));
         
-        Grasscutter.loadConfig();
+        Grasscutter.reloadConfig();
         Grasscutter.loadLanguage();
         Grasscutter.getGameServer().getGachaManager().load();
         Grasscutter.getGameServer().getDropManager().load();

src/main/java/emu/grasscutter/data/ResourceLoader.java

@@ -25,10 +25,11 @@ import emu.grasscutter.data.custom.AbilityModifier.AbilityModifierActionType;
 import emu.grasscutter.data.custom.AbilityModifierEntry;
 import emu.grasscutter.data.custom.OpenConfigEntry;
 import emu.grasscutter.data.custom.ScenePointEntry;
-import emu.grasscutter.game.world.SpawnDataEntry;
-import emu.grasscutter.game.world.SpawnDataEntry.SpawnGroupEntry;
+import emu.grasscutter.game.world.SpawnDataEntry.*;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 
+import static emu.grasscutter.Configuration.*;
+
 public class ResourceLoader {
 
 	public static List<Class<?>> getResourceDefClasses() {
@@ -127,7 +128,7 @@ public class ResourceLoader {
 	
 	@SuppressWarnings({"rawtypes", "unchecked"})
 	protected static void loadFromResource(Class<?> c, String fileName, Int2ObjectMap map) throws Exception {
-		FileReader fileReader = new FileReader(Grasscutter.getConfig().RESOURCE_FOLDER + "ExcelBinOutput/" + fileName);
+		FileReader fileReader = new FileReader(RESOURCE("ExcelBinOutput/" + fileName));
 		Gson gson = Grasscutter.getGsonFactory();
 		List list = gson.fromJson(fileReader, List.class);
 
@@ -141,7 +142,7 @@ public class ResourceLoader {
 
 	private static void loadScenePoints() {
 		Pattern pattern = Pattern.compile("(?<=scene)(.*?)(?=_point.json)");
-		File folder = new File(Grasscutter.getConfig().RESOURCE_FOLDER + "BinOutput/Scene/Point");
+		File folder = new File(RESOURCE("BinOutput/Scene/Point"));
 
 		if (!folder.isDirectory() || !folder.exists() || folder.listFiles() == null) {
 			Grasscutter.getLogger().error("Scene point files cannot be found, you cannot use teleport waypoints!");
@@ -150,8 +151,7 @@ public class ResourceLoader {
 
 		List<ScenePointEntry> scenePointList = new ArrayList<>();
 		for (File file : Objects.requireNonNull(folder.listFiles())) {
-			ScenePointConfig config = null;
-			Integer sceneId = null;
+			ScenePointConfig config; Integer sceneId;
 			
 			Matcher matcher = pattern.matcher(file.getName());
 			if (matcher.find()) {
@@ -190,7 +190,7 @@ public class ResourceLoader {
 
 	private static void loadAbilityEmbryos() {
 		// Read from cached file if exists
-		File embryoCache = new File(Grasscutter.getConfig().DATA_FOLDER + "AbilityEmbryos.json");
+		File embryoCache = new File(DATA("AbilityEmbryos.json"));
 		List<AbilityEmbryoEntry> embryoList = null;
 		
 		if (embryoCache.exists()) {
@@ -205,7 +205,7 @@ public class ResourceLoader {
 			Pattern pattern = Pattern.compile("(?<=ConfigAvatar_)(.*?)(?=.json)");
 
 			embryoList = new LinkedList<>();
-			File folder = new File(Utils.toFilePath(Grasscutter.getConfig().RESOURCE_FOLDER + "BinOutput/Avatar/"));
+			File folder = new File(Utils.toFilePath(RESOURCE("BinOutput/Avatar/")));
 			File[] files = folder.listFiles();
 			if(files == null) {
 				Grasscutter.getLogger().error("Error loading ability embryos: no files found in " + folder.getAbsolutePath());
@@ -252,7 +252,7 @@ public class ResourceLoader {
 	
 	private static void loadAbilityModifiers() {
 		// Load from BinOutput
-		File folder = new File(Utils.toFilePath(Grasscutter.getConfig().RESOURCE_FOLDER + "BinOutput/Ability/Temp/AvatarAbilities/"));
+		File folder = new File(Utils.toFilePath(RESOURCE("BinOutput/Ability/Temp/AvatarAbilities/")));
 		File[] files = folder.listFiles();
 		if (files == null) {
 			Grasscutter.getLogger().error("Error loading ability modifiers: no files found in " + folder.getAbsolutePath());
@@ -260,7 +260,7 @@ public class ResourceLoader {
 		}
 
 		for (File file : files) {
-			List<AbilityConfigData> abilityConfigList = null;
+			List<AbilityConfigData> abilityConfigList;
 			
 			try (FileReader fileReader = new FileReader(file)) {
 				abilityConfigList = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, AbilityConfigData.class).getType());
@@ -315,7 +315,7 @@ public class ResourceLoader {
 	
 	private static void loadSpawnData() {
 		// Read from cached file if exists
-		File spawnDataEntries = new File(Grasscutter.getConfig().DATA_FOLDER + "Spawns.json");
+		File spawnDataEntries = new File(DATA("Spawns.json"));
 		List<SpawnGroupEntry> spawnEntryList = null;
 		
 		if (spawnDataEntries.exists()) {
@@ -333,16 +333,14 @@ public class ResourceLoader {
 		}
 
 		for (SpawnGroupEntry entry : spawnEntryList) {
-			entry.getSpawns().stream().forEach(s -> {
-				s.setGroup(entry);
-			});
+			entry.getSpawns().forEach(s -> s.setGroup(entry));
 			GameDepot.getSpawnListById(entry.getSceneId()).insert(entry, entry.getPos().getX(), entry.getPos().getZ());
 		}
 	}
 	
 	private static void loadOpenConfig() {
 		// Read from cached file if exists
-		File openConfigCache = new File(Grasscutter.getConfig().DATA_FOLDER + "OpenConfig.json");
+		File openConfigCache = new File(DATA("OpenConfig.json"));
 		List<OpenConfigEntry> list = null;
 		
 		if (openConfigCache.exists()) {
@@ -357,7 +355,7 @@ public class ResourceLoader {
 			String[] folderNames = {"BinOutput/Talent/EquipTalents/", "BinOutput/Talent/AvatarTalents/"};
 			
 			for (String name : folderNames) {
-				File folder = new File(Utils.toFilePath(Grasscutter.getConfig().RESOURCE_FOLDER + name));
+				File folder = new File(Utils.toFilePath(RESOURCE(name)));
 				File[] files = folder.listFiles();
 				if(files == null) {
 					Grasscutter.getLogger().error("Error loading open config: no files found in " + folder.getAbsolutePath()); return;

src/main/java/emu/grasscutter/database/DatabaseManager.java

 package emu.grasscutter.database;
 
-import com.mongodb.MongoClientURI;
 import com.mongodb.MongoCommandException;
 import com.mongodb.client.MongoClient;
 import com.mongodb.client.MongoClients;
@@ -21,11 +20,9 @@ import emu.grasscutter.game.inventory.GameItem;
 import emu.grasscutter.game.mail.Mail;
 import emu.grasscutter.game.player.Player;
 
-public final class DatabaseManager {
-
-	private static MongoClient mongoClient;
-	private static MongoClient dispatchMongoClient;
+import static emu.grasscutter.Configuration.*;
 
+public final class DatabaseManager {
 	private static Datastore datastore;
 	private static Datastore dispatchDatastore;
 	
@@ -44,7 +41,7 @@ public final class DatabaseManager {
 	// Yes. I very dislike this method. However, this will be good for now.
 	// TODO: Add dispatch routes for player account management
 	public static Datastore getAccountDatastore() {
-		if(Grasscutter.getConfig().RunMode == ServerRunMode.GAME_ONLY) {
+		if(SERVER.runMode == ServerRunMode.GAME_ONLY) {
 			return dispatchDatastore;
 		} else {
 			return datastore;
@@ -53,13 +50,13 @@ public final class DatabaseManager {
 	
 	public static void initialize() {
 		// Initialize
-		MongoClient mongoClient = MongoClients.create(Grasscutter.getConfig().DatabaseUrl);
+		MongoClient mongoClient = MongoClients.create(DATABASE.connectionUri);
 		
 		// Set mapper options.
 		MapperOptions mapperOptions = MapperOptions.builder()
 				.storeEmpties(true).storeNulls(false).build();
 		// Create data store.
-		datastore = Morphia.createDatastore(mongoClient, Grasscutter.getConfig().DatabaseCollection, mapperOptions);
+		datastore = Morphia.createDatastore(mongoClient, DATABASE.collection, mapperOptions);
 		// Map classes.
 		datastore.getMapper().map(mappedClasses);
 		
@@ -80,9 +77,9 @@ public final class DatabaseManager {
 			}
 		}
 
-		if(Grasscutter.getConfig().RunMode == ServerRunMode.GAME_ONLY) {
-			dispatchMongoClient = MongoClients.create(Grasscutter.getConfig().getGameServerOptions().DispatchServerDatabaseUrl);
-			dispatchDatastore = Morphia.createDatastore(dispatchMongoClient, Grasscutter.getConfig().getGameServerOptions().DispatchServerDatabaseCollection);
+		if(SERVER.runMode == ServerRunMode.GAME_ONLY) {
+			MongoClient dispatchMongoClient = MongoClients.create(GAME_OPTIONS.databaseInfo.connectionUri);
+			dispatchDatastore = Morphia.createDatastore(dispatchMongoClient, GAME_OPTIONS.databaseInfo.collection);
 
 			// Ensure indexes for dispatch server
 			try {

src/main/java/emu/grasscutter/game/Account.java

@@ -12,7 +12,7 @@ import java.util.Locale;
 
 import org.bson.Document;
 
-import com.mongodb.DBObject;
+import static emu.grasscutter.Configuration.*;
 
 @Entity(value = "accounts", useDiscriminator = false)
 public class Account {
@@ -34,7 +34,7 @@ public class Account {
 	@Deprecated
 	public Account() {
 		this.permissions = new ArrayList<>();
-        this.locale = Grasscutter.getConfig().LocaleLanguage;
+        this.locale = LANGUAGE;
 	}
 
 	public String getId() {
@@ -180,7 +180,7 @@ public class Account {
 
         // Set account default language as server default language
         if (!document.containsKey("locale")) {
-            this.locale = Grasscutter.getConfig().LocaleLanguage;
+            this.locale = LANGUAGE;
         }
 	}
 }

src/main/java/emu/grasscutter/game/drop/DropManager.java

@@ -21,6 +21,8 @@ import java.io.FileReader;
 import java.util.Collection;
 import java.util.List;
 
+import static emu.grasscutter.Configuration.*;
+
 public class DropManager {
     public GameServer getGameServer() {
         return gameServer;
@@ -41,7 +43,7 @@ public class DropManager {
     }
 
     public synchronized void load() {
-        try (FileReader fileReader = new FileReader(Grasscutter.getConfig().DATA_FOLDER + "Drop.json")) {
+        try (FileReader fileReader = new FileReader(DATA("Drop.json"))) {
             getDropData().clear();
             List<DropInfo> banners = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, DropInfo.class).getType());
             if(banners.size() > 0) {
@@ -69,9 +71,7 @@ public class DropManager {
             } else {
                 // target is null if items will be added are shared. no one could pick it up because of the combination(give + shared)
                 // so it will be sent to all players' inventories directly.
-                dropScene.getPlayers().forEach(x -> {
-                    x.getInventory().addItem(new GameItem(itemData, num), ActionReason.SubfieldDrop, true);
-                });
+                dropScene.getPlayers().forEach(x -> x.getInventory().addItem(new GameItem(itemData, num), ActionReason.SubfieldDrop, true));
             }
         }
     }

src/main/java/emu/grasscutter/game/expedition/ExpeditionManager.java

@@ -10,6 +10,8 @@ import java.io.FileReader;
 import java.util.Collection;
 import java.util.List;
 
+import static emu.grasscutter.Configuration.*;
+
 public class ExpeditionManager {
     public GameServer getGameServer() {
         return gameServer;
@@ -28,7 +30,7 @@ public class ExpeditionManager {
     }
 
     public synchronized void load() {
-        try (FileReader fileReader = new FileReader(Grasscutter.getConfig().DATA_FOLDER + "ExpeditionReward.json")) {
+        try (FileReader fileReader = new FileReader(DATA("ExpeditionReward.json"))) {
             getExpeditionRewardDataList().clear();
             List<ExpeditionRewardInfo> banners = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, ExpeditionRewardInfo.class).getType());
             if(banners.size() > 0) {

src/main/java/emu/grasscutter/game/gacha/GachaBanner.java

 package emu.grasscutter.game.gacha;
 
-import emu.grasscutter.Grasscutter;
 import emu.grasscutter.net.proto.GachaInfoOuterClass.GachaInfo;
 import emu.grasscutter.net.proto.GachaUpInfoOuterClass.GachaUpInfo;
 
+import static emu.grasscutter.Configuration.*;
+
 public class GachaBanner {
 	private int gachaType;
 	private int scheduleId;
@@ -95,15 +96,11 @@ public class GachaBanner {
 	public GachaInfo toProto() {
 		return toProto("");
 	}
+	
 	public GachaInfo toProto(String sessionKey) {
-		String record = "http" + (Grasscutter.getConfig().getDispatchOptions().FrontHTTPS ? "s" : "") + "://"
-						+ (Grasscutter.getConfig().getDispatchOptions().PublicIp.isEmpty() ? 
-							Grasscutter.getConfig().getDispatchOptions().Ip : 
-							Grasscutter.getConfig().getDispatchOptions().PublicIp)
-						+ ":"
-						+ Integer.toString(Grasscutter.getConfig().getDispatchOptions().PublicPort == 0 ?
-							Grasscutter.getConfig().getDispatchOptions().Port : 
-							Grasscutter.getConfig().getDispatchOptions().PublicPort)
+		String record = "http" + (DISPATCH_INFO.encryption.useInRouting ? "s" : "") + "://"
+						+ lr(DISPATCH_INFO.accessAddress, DISPATCH_INFO.bindAddress) + ":"
+						+ lr(DISPATCH_INFO.accessPort, DISPATCH_INFO.bindPort)
 						+ "/gacha?s=" + sessionKey + "&gachaType=" + gachaType;
 		// Grasscutter.getLogger().info("record = " + record);
 		GachaInfo.Builder info = GachaInfo.newBuilder()

src/main/java/emu/grasscutter/game/gacha/GachaManager.java

@@ -34,20 +34,22 @@ import it.unimi.dsi.fastutil.ints.IntArrayList;
 import it.unimi.dsi.fastutil.ints.IntList;
 import org.greenrobot.eventbus.Subscribe;
 
+import static emu.grasscutter.Configuration.*;
+
 public class GachaManager {
 	private final GameServer server;
 	private final Int2ObjectMap<GachaBanner> gachaBanners;
 	private GetGachaInfoRsp cachedProto;
 	WatchService watchService;
 
-	private int[] yellowAvatars = new int[] {1003, 1016, 1042, 1035, 1041};
-	private int[] yellowWeapons = new int[] {11501, 11502, 12501, 12502, 13502, 13505, 14501, 14502, 15501, 15502};
-	private int[] purpleAvatars = new int[] {1006, 1014, 1015, 1020, 1021, 1023, 1024, 1025, 1027, 1031, 1032, 1034, 1036, 1039, 1043, 1044, 1045, 1048, 1053, 1055, 1056, 1064};
-	private int[] purpleWeapons = new int[] {11401, 11402, 11403, 11405, 12401, 12402, 12403, 12405, 13401, 13407, 14401, 14402, 14403, 14409, 15401, 15402, 15403, 15405};
-	private int[] blueWeapons = new int[] {11301, 11302, 11306, 12301, 12302, 12305, 13303, 14301, 14302, 14304, 15301, 15302, 15304};
+	private final int[] yellowAvatars = new int[] {1003, 1016, 1042, 1035, 1041};
+	private final int[] yellowWeapons = new int[] {11501, 11502, 12501, 12502, 13502, 13505, 14501, 14502, 15501, 15502};
+	private final int[] purpleAvatars = new int[] {1006, 1014, 1015, 1020, 1021, 1023, 1024, 1025, 1027, 1031, 1032, 1034, 1036, 1039, 1043, 1044, 1045, 1048, 1053, 1055, 1056, 1064};
+	private final int[] purpleWeapons = new int[] {11401, 11402, 11403, 11405, 12401, 12402, 12403, 12405, 13401, 13407, 14401, 14402, 14403, 14409, 15401, 15402, 15403, 15405};
+	private final int[] blueWeapons = new int[] {11301, 11302, 11306, 12301, 12302, 12305, 13303, 14301, 14302, 14304, 15301, 15302, 15304};
 	
-	private static int starglitterId = 221;
-	private static int stardustId = 222;
+	private static final int starglitterId = 221;
+	private static final int stardustId = 222;
 
 	public GachaManager(GameServer server) {
 		this.server = server;
@@ -73,7 +75,7 @@ public class GachaManager {
 	}
 	
 	public synchronized void load() {
-		try (FileReader fileReader = new FileReader(Grasscutter.getConfig().DATA_FOLDER + "Banners.json")) {
+		try (FileReader fileReader = new FileReader(DATA("Banners.json"))) {
 			getGachaBanners().clear();
 			List<GachaBanner> banners = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, GachaBanner.class).getType());
 			if(banners.size() > 0) {
@@ -242,15 +244,9 @@ public class GachaManager {
 			} else {
 				// Is weapon
 				switch (itemData.getRankLevel()) {
-					case 5:
-						addStarglitter = 10;
-						break;
-					case 4:
-						addStarglitter = 2;
-						break;
-					case 3:
-						addStardust = 15;
-						break;
+					case 5 -> addStarglitter = 10;
+					case 4 -> addStarglitter = 2;
+					case 3 -> addStardust = 15;
 				}
 			}
 
@@ -290,7 +286,7 @@ public class GachaManager {
 		if(this.watchService == null) {
 			try {
 				this.watchService = FileSystems.getDefault().newWatchService();
-				Path path = new File(Grasscutter.getConfig().DATA_FOLDER).toPath();
+				Path path = new File(DATA_FOLDER).toPath();
 				path.register(watchService, new WatchEvent.Kind[]{StandardWatchEventKinds.ENTRY_MODIFY}, SensitivityWatchEventModifier.HIGH);
 			} catch (Exception e) {
 				Grasscutter.getLogger().error("Unable to load the Gacha Manager Watch Service. If ServerOptions.watchGacha is true it will not auto-reload");
@@ -303,7 +299,7 @@ public class GachaManager {
 
 	@Subscribe
 	public synchronized void watchBannerJson(GameServerTickEvent tickEvent) {
-		if(Grasscutter.getConfig().getGameServerOptions().WatchGacha) {
+		if(GAME_OPTIONS.watchGachaConfig) {
 			try {
 				WatchKey watchKey = watchService.take();
 

src/main/java/emu/grasscutter/game/inventory/Inventory.java

@@ -6,7 +6,6 @@ import java.util.LinkedList;
 import java.util.List;
 
 import emu.grasscutter.GameConstants;
-import emu.grasscutter.Grasscutter;
 import emu.grasscutter.data.GameData;
 import emu.grasscutter.data.def.AvatarCostumeData;
 import emu.grasscutter.data.def.AvatarData;
@@ -15,7 +14,6 @@ import emu.grasscutter.data.def.ItemData;
 import emu.grasscutter.database.DatabaseHelper;
 import emu.grasscutter.game.avatar.AvatarStorage;
 import emu.grasscutter.game.avatar.Avatar;
-import emu.grasscutter.game.entity.EntityAvatar;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.game.props.ActionReason;
 import emu.grasscutter.net.proto.ItemParamOuterClass.ItemParam;
@@ -28,6 +26,8 @@ import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 import it.unimi.dsi.fastutil.longs.Long2ObjectMap;
 import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
 
+import static emu.grasscutter.Configuration.*;
+
 public class Inventory implements Iterable<GameItem> {
 	private final Player player;
 	
@@ -39,10 +39,10 @@ public class Inventory implements Iterable<GameItem> {
 		this.store = new Long2ObjectOpenHashMap<>();
 		this.inventoryTypes = new Int2ObjectOpenHashMap<>();
 		
-		this.createInventoryTab(ItemType.ITEM_WEAPON, new EquipInventoryTab(Grasscutter.getConfig().getGameServerOptions().InventoryLimitWeapon));
-		this.createInventoryTab(ItemType.ITEM_RELIQUARY, new EquipInventoryTab(Grasscutter.getConfig().getGameServerOptions().InventoryLimitRelic));
-		this.createInventoryTab(ItemType.ITEM_MATERIAL, new MaterialInventoryTab(Grasscutter.getConfig().getGameServerOptions().InventoryLimitMaterial));
-		this.createInventoryTab(ItemType.ITEM_FURNITURE, new MaterialInventoryTab(Grasscutter.getConfig().getGameServerOptions().InventoryLimitFurniture));
+		this.createInventoryTab(ItemType.ITEM_WEAPON, new EquipInventoryTab(INVENTORY_LIMITS.weapons));
+		this.createInventoryTab(ItemType.ITEM_RELIQUARY, new EquipInventoryTab(INVENTORY_LIMITS.relics));
+		this.createInventoryTab(ItemType.ITEM_MATERIAL, new MaterialInventoryTab(INVENTORY_LIMITS.materials));
+		this.createInventoryTab(ItemType.ITEM_FURNITURE, new MaterialInventoryTab(INVENTORY_LIMITS.furniture));
 	}
 
 	public Player getPlayer() {
@@ -242,24 +242,18 @@ public class Inventory implements Iterable<GameItem> {
 	
 	private void addVirtualItem(int itemId, int count) {
 		switch (itemId) {
-			case 101: // Character exp
-				getPlayer().getServer().getInventoryManager().upgradeAvatar(player, getPlayer().getTeamManager().getCurrentAvatarEntity().getAvatar(), count);
-				break;
-			case 102: // Adventure exp
-				getPlayer().addExpDirectly(count);
-				break;
-			case 105: // Companionship exp
-				getPlayer().getServer().getInventoryManager().upgradeAvatarFetterLevel(player, getPlayer().getTeamManager().getCurrentAvatarEntity().getAvatar(), count);
-				break;
-			case 201: // Primogem
-				getPlayer().setPrimogems(player.getPrimogems() + count);
-				break;
-			case 202: // Mora
-				getPlayer().setMora(player.getMora() + count);
-				break;
-			case 203: // Genesis Crystals
-				getPlayer().setCrystals(player.getCrystals() + count);
-				break;
+			case 101 -> // Character exp
+					getPlayer().getServer().getInventoryManager().upgradeAvatar(player, getPlayer().getTeamManager().getCurrentAvatarEntity().getAvatar(), count);
+			case 102 -> // Adventure exp
+					getPlayer().addExpDirectly(count);
+			case 105 -> // Companionship exp
+					getPlayer().getServer().getInventoryManager().upgradeAvatarFetterLevel(player, getPlayer().getTeamManager().getCurrentAvatarEntity().getAvatar(), count);
+			case 201 -> // Primogem
+					getPlayer().setPrimogems(player.getPrimogems() + count);
+			case 202 -> // Mora
+					getPlayer().setMora(player.getMora() + count);
+			case 203 -> // Genesis Crystals
+					getPlayer().setCrystals(player.getCrystals() + count);
 		}
 	}
 	

src/main/java/emu/grasscutter/game/managers/StaminaManager/StaminaManager.java

@@ -20,6 +20,8 @@ import org.jetbrains.annotations.NotNull;
 import java.lang.Math;
 import java.util.*;
 
+import static emu.grasscutter.Configuration.*;
+
 public class StaminaManager {
 
     // TODO: Skiff state detection?
@@ -224,9 +226,10 @@ public class StaminaManager {
 
     // Returns new stamina and sends PlayerPropNotify
     public int setStamina(GameSession session, String reason, int newStamina) {
-        if (!Grasscutter.getConfig().OpenStamina) {
+        if (!GAME_OPTIONS.staminaUsage) {
             newStamina = player.getProperty(PlayerProperty.PROP_MAX_STAMINA);
         }
+        
         // set stamina
         player.setProperty(PlayerProperty.PROP_CUR_PERSIST_STAMINA, newStamina);
         session.send(new PacketPlayerPropNotify(player, PlayerProperty.PROP_CUR_PERSIST_STAMINA));

src/main/java/emu/grasscutter/game/player/Player.java

@@ -60,6 +60,8 @@ import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 import java.util.*;
 import java.util.concurrent.LinkedBlockingQueue;
 
+import static emu.grasscutter.Configuration.*;
+
 @Entity(value = "players", useDiscriminator = false)
 public class Player {
 
@@ -353,7 +355,7 @@ public class Player {
 	}
 
 	private float getExpModifier() {
-		return Grasscutter.getConfig().getGameServerOptions().getGameRates().ADVENTURE_EXP_RATE;
+		return GAME_OPTIONS.rates.adventureExp;
 	}
 
 	// Affected by exp rate
@@ -1218,7 +1220,7 @@ public class Player {
 		} else if (prop == PlayerProperty.PROP_LAST_CHANGE_AVATAR_TIME) { // 10001
 			// TODO: implement sanity check
 		} else if (prop == PlayerProperty.PROP_MAX_SPRING_VOLUME) { // 10002
-			if (!(value >= 0 && value <= getSotSManager().GlobalMaximumSpringVolume)) { return false; }
+			if (!(value >= 0 && value <= SotSManager.GlobalMaximumSpringVolume)) { return false; }
 		} else if (prop == PlayerProperty.PROP_CUR_SPRING_VOLUME) { // 10003
 			int playerMaximumSpringVolume = getProperty(PlayerProperty.PROP_MAX_SPRING_VOLUME);
 			if (!(value >= 0 && value <= playerMaximumSpringVolume)) { return false; }
@@ -1235,7 +1237,7 @@ public class Player {
 		} else if (prop == PlayerProperty.PROP_IS_TRANSFERABLE) { // 10009
 			if (!(0 <= value && value <= 1)) { return false; }
 		} else if (prop == PlayerProperty.PROP_MAX_STAMINA) { // 10010
-			if (!(value >= 0 && value <= getStaminaManager().GlobalMaximumStamina)) { return false; }
+			if (!(value >= 0 && value <= StaminaManager.GlobalMaximumStamina)) { return false; }
 		} else if (prop == PlayerProperty.PROP_CUR_PERSIST_STAMINA) { // 10011
 			int playerMaximumStamina = getProperty(PlayerProperty.PROP_MAX_STAMINA);
 			if (!(value >= 0 && value <= playerMaximumStamina)) { return false; }

src/main/java/emu/grasscutter/game/player/TeamInfo.java

@@ -4,10 +4,10 @@ import java.util.ArrayList;
 import java.util.List;
 
 import dev.morphia.annotations.Entity;
-import emu.grasscutter.GameConstants;
-import emu.grasscutter.Grasscutter;
 import emu.grasscutter.game.avatar.Avatar;
 
+import static emu.grasscutter.Configuration.*;
+
 @Entity
 public class TeamInfo {
 	private String name;
@@ -15,7 +15,7 @@ public class TeamInfo {
 	
 	public TeamInfo() {
 		this.name = "";
-		this.avatars = new ArrayList<>(Grasscutter.getConfig().getGameServerOptions().MaxAvatarsInTeam);
+		this.avatars = new ArrayList<>(GAME_OPTIONS.avatarLimits.singlePlayerTeam);
 	}
 
 	public TeamInfo(List<Integer> avatars) {
@@ -44,7 +44,7 @@ public class TeamInfo {
 	}
 
 	public boolean addAvatar(Avatar avatar) {
-		if (size() >= Grasscutter.getConfig().getGameServerOptions().MaxAvatarsInTeam || contains(avatar)) {
+		if (size() >= GAME_OPTIONS.avatarLimits.singlePlayerTeam || contains(avatar)) {
 			return false;
 		}
 		
@@ -64,7 +64,7 @@ public class TeamInfo {
 	}
 	
 	public void copyFrom(TeamInfo team) {
-		copyFrom(team, Grasscutter.getConfig().getGameServerOptions().MaxAvatarsInTeam);
+		copyFrom(team, GAME_OPTIONS.avatarLimits.singlePlayerTeam);
 	}
 	
 	public void copyFrom(TeamInfo team, int maxTeamSize) {

src/main/java/emu/grasscutter/game/player/TeamManager.java

@@ -5,7 +5,6 @@ import java.util.*;
 import dev.morphia.annotations.Entity;
 import dev.morphia.annotations.Transient;
 import emu.grasscutter.GameConstants;
-import emu.grasscutter.Grasscutter;
 import emu.grasscutter.data.def.AvatarSkillDepotData;
 import emu.grasscutter.game.avatar.Avatar;
 import emu.grasscutter.game.entity.EntityAvatar;
@@ -40,6 +39,8 @@ import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
 import it.unimi.dsi.fastutil.ints.IntSet;
 
+import static emu.grasscutter.Configuration.*;
+
 @Entity
 public class TeamManager {
 	@Transient private Player player;
@@ -174,13 +175,14 @@ public class TeamManager {
 	
 	public int getMaxTeamSize() {
 		if (getPlayer().isInMultiplayer()) {
-			int max = Grasscutter.getConfig().getGameServerOptions().MaxAvatarsInTeamMultiplayer;
+			int max = GAME_OPTIONS.avatarLimits.multiplayerTeam;
 			if (getPlayer().getWorld().getHost() == this.getPlayer()) {
 				return Math.max(1, (int) Math.ceil(max / (double) getWorld().getPlayerCount()));
 			}
 			return Math.max(1, (int) Math.floor(max / (double) getWorld().getPlayerCount()));
 		}
-		return Grasscutter.getConfig().getGameServerOptions().MaxAvatarsInTeam;
+		
+		return GAME_OPTIONS.avatarLimits.singlePlayerTeam;
 	}
 	
 	// Methods
@@ -236,7 +238,7 @@ public class TeamManager {
 		// Add back entities into team
 		for (int i = 0; i < this.getCurrentTeamInfo().getAvatars().size(); i++) {
 			int avatarId = this.getCurrentTeamInfo().getAvatars().get(i);
-			EntityAvatar entity = null;
+			EntityAvatar entity;
 			
 			if (existingAvatars.containsKey(avatarId)) {
 				entity = existingAvatars.get(avatarId);
@@ -303,8 +305,8 @@ public class TeamManager {
 		
 		// Set team data
 		LinkedHashSet<Avatar> newTeam = new LinkedHashSet<>();
-		for (int i = 0; i < list.size(); i++) {
-			Avatar avatar = getPlayer().getAvatars().getAvatarByGuid(list.get(i));
+		for (Long aLong : list) {
+			Avatar avatar = getPlayer().getAvatars().getAvatarByGuid(aLong);
 			if (avatar == null || newTeam.contains(avatar)) {
 				// Should never happen
 				return;
@@ -339,8 +341,8 @@ public class TeamManager {
 		
 		// Set team data
 		LinkedHashSet<Avatar> newTeam = new LinkedHashSet<>();
-		for (int i = 0; i < list.size(); i++) {
-			Avatar avatar = getPlayer().getAvatars().getAvatarByGuid(list.get(i));
+		for (Long aLong : list) {
+			Avatar avatar = getPlayer().getAvatars().getAvatarByGuid(aLong);
 			if (avatar == null || newTeam.contains(avatar)) {
 				// Should never happen
 				return;
@@ -359,7 +361,7 @@ public class TeamManager {
 	}
 
 	public void setupTemporaryTeam(List<List<Long>> guidList) {
-		var team = guidList.stream().map(list -> {
+		this.temporaryTeam = guidList.stream().map(list -> {
 					// Sanity checks
 					if (list.size() == 0 || list.size() > getMaxTeamSize()) {
 						return null;
@@ -367,8 +369,8 @@ public class TeamManager {
 
 					// Set team data
 					LinkedHashSet<Avatar> newTeam = new LinkedHashSet<>();
-					for (int i = 0; i < list.size(); i++) {
-						Avatar avatar = getPlayer().getAvatars().getAvatarByGuid(list.get(i));
+					for (Long aLong : list) {
+						Avatar avatar = getPlayer().getAvatars().getAvatarByGuid(aLong);
 						if (avatar == null || newTeam.contains(avatar)) {
 							// Should never happen
 							return null;
@@ -384,7 +386,6 @@ public class TeamManager {
 				.filter(Objects::nonNull)
 				.map(TeamInfo::new)
 				.toList();
-		this.temporaryTeam = team;
 	}
 
 	public void useTemporaryTeam(int index) {

src/main/java/emu/grasscutter/game/shop/ShopManager.java

@@ -16,6 +16,8 @@ import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;
 
+import static emu.grasscutter.Configuration.*;
+
 public class ShopManager {
 	private final GameServer server;
 
@@ -56,7 +58,7 @@ public class ShopManager {
 	}
 
 	private void loadShop() {
-		try (FileReader fileReader = new FileReader(Grasscutter.getConfig().DATA_FOLDER + "Shop.json")) {
+		try (FileReader fileReader = new FileReader(DATA("Shop.json"))) {
 			getShopData().clear();
 			List<ShopTable> banners = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, ShopTable.class).getType());
 			if(banners.size() > 0) {
@@ -84,7 +86,7 @@ public class ShopManager {
 				Grasscutter.getLogger().error("Unable to load shop data. Shop data size is 0.");
 			}
 
-			if (Grasscutter.getConfig().getGameServerOptions().EnableOfficialShop) {
+			if (GAME_OPTIONS.enableShopItems) {
 				GameData.getShopGoodsDataEntries().forEach((k, v) -> {
 					if (!getShopData().containsKey(k.intValue()))
 						getShopData().put(k.intValue(), new ArrayList<>());
@@ -100,7 +102,7 @@ public class ShopManager {
 	}
 
 	private void loadShopChest() {
-		try (FileReader fileReader = new FileReader(Grasscutter.getConfig().DATA_FOLDER + "ShopChest.json")) {
+		try (FileReader fileReader = new FileReader(DATA("ShopChest.json"))) {
 			getShopChestData().clear();
 			List<ShopChestTable> shopChestTableList = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, ShopChestTable.class).getType());
 			if (shopChestTableList.size() > 0) {
@@ -115,7 +117,7 @@ public class ShopManager {
 	}
 
 	private void loadShopChestBatchUse() {
-		try (FileReader fileReader = new FileReader(Grasscutter.getConfig().DATA_FOLDER + "ShopChestBatchUse.json")) {
+		try (FileReader fileReader = new FileReader(DATA("ShopChestBatchUse.json"))) {
 			getShopChestBatchUseData().clear();
 			List<ShopChestBatchUseTable> shopChestBatchUseTableList = Grasscutter.getGsonFactory().fromJson(fileReader, TypeToken.getParameterized(Collection.class, ShopChestBatchUseTable.class).getType());
 			if (shopChestBatchUseTableList.size() > 0) {

src/main/java/emu/grasscutter/game/tower/TowerScheduleManager.java

@@ -8,6 +8,8 @@ import emu.grasscutter.server.game.GameServer;
 import java.io.FileReader;
 import java.util.List;
 
+import static emu.grasscutter.Configuration.*;
+
 public class TowerScheduleManager {
     private final GameServer gameServer;
 
@@ -23,9 +25,8 @@ public class TowerScheduleManager {
     private TowerScheduleConfig towerScheduleConfig;
 
     public synchronized void load(){
-        try (FileReader fileReader = new FileReader(Grasscutter.getConfig().DATA_FOLDER + "TowerSchedule.json")) {
+        try (FileReader fileReader = new FileReader(DATA("TowerSchedule.json"))) {
             towerScheduleConfig = Grasscutter.getGsonFactory().fromJson(fileReader, TowerScheduleConfig.class);
-
         } catch (Exception e) {
             Grasscutter.getLogger().error("Unable to load tower schedule config.", e);
         }
@@ -40,6 +41,7 @@ public class TowerScheduleManager {
         if(data == null){
             Grasscutter.getLogger().error("Could not get current tower schedule data by config:{}", towerScheduleConfig);
         }
+        
         return data;
     }
 
@@ -51,28 +53,31 @@ public class TowerScheduleManager {
         var entranceFloors = getCurrentTowerScheduleData().getEntranceFloorId();
         var scheduleFloors = getScheduleFloors();
         var nextId = 0;
+        
         // find in entrance floors first
         for(int i=0;i<entranceFloors.size()-1;i++){
             if(floorId == entranceFloors.get(i)){
                 nextId = entranceFloors.get(i+1);
             }
         }
+        
         if(floorId == entranceFloors.get(entranceFloors.size()-1)){
             nextId = scheduleFloors.get(0);
         }
+        
         if(nextId != 0){
             return nextId;
         }
+        
         // find in schedule floors
-        for(int i=0;i<scheduleFloors.size()-1;i++){
+        for(int i=0; i < scheduleFloors.size() - 1; i++){
             if(floorId == scheduleFloors.get(i)){
-                nextId = scheduleFloors.get(i+1);
+                nextId = scheduleFloors.get(i + 1);
             }
-        }
-        return nextId;
+        }return nextId;
     }
 
     public Integer getLastEntranceFloor() {
-        return getCurrentTowerScheduleData().getEntranceFloorId().get(getCurrentTowerScheduleData().getEntranceFloorId().size()-1);
+        return getCurrentTowerScheduleData().getEntranceFloorId().get(getCurrentTowerScheduleData().getEntranceFloorId().size() - 1);
     }
 }

src/main/java/emu/grasscutter/game/world/World.java

 package emu.grasscutter.game.world;
 
 import java.util.ArrayList;
-import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.stream.Collectors;
 
-import emu.grasscutter.game.entity.GameEntity;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.game.player.Player.SceneLoadState;
-import emu.grasscutter.game.props.ClimateType;
 import emu.grasscutter.game.props.EnterReason;
 import emu.grasscutter.game.props.EntityIdType;
-import emu.grasscutter.game.props.FightProperty;
-import emu.grasscutter.game.props.LifeState;
 import emu.grasscutter.data.GameData;
 import emu.grasscutter.data.def.DungeonData;
 import emu.grasscutter.data.def.SceneData;
-import emu.grasscutter.game.entity.EntityAvatar;
-import emu.grasscutter.game.entity.EntityClientGadget;
-import emu.grasscutter.game.entity.EntityBaseGadget;
 import emu.grasscutter.net.packet.BasePacket;
-import emu.grasscutter.net.proto.AttackResultOuterClass.AttackResult;
 import emu.grasscutter.net.proto.EnterTypeOuterClass.EnterType;
-import emu.grasscutter.net.proto.VisionTypeOuterClass.VisionType;
 import emu.grasscutter.scripts.data.SceneConfig;
 import emu.grasscutter.server.game.GameServer;
 import emu.grasscutter.server.packet.send.PacketDelTeamEntityNotify;
-import emu.grasscutter.server.packet.send.PacketEntityFightPropUpdateNotify;
-import emu.grasscutter.server.packet.send.PacketLifeStateChangeNotify;
 import emu.grasscutter.server.packet.send.PacketPlayerEnterSceneNotify;
-import emu.grasscutter.server.packet.send.PacketSceneEntityAppearNotify;
-import emu.grasscutter.server.packet.send.PacketSceneEntityDisappearNotify;
 import emu.grasscutter.server.packet.send.PacketScenePlayerInfoNotify;
 import emu.grasscutter.server.packet.send.PacketSyncScenePlayTeamEntityNotify;
 import emu.grasscutter.server.packet.send.PacketSyncTeamEntityNotify;

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;