Add temporary backwards compatability for ServerHelper

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

@@ -1,8 +1,5 @@
 package emu.grasscutter;
 
-import static emu.grasscutter.config.Configuration.SERVER;
-import static emu.grasscutter.utils.Language.translate;
-
 import ch.qos.logback.classic.Level;
 import ch.qos.logback.classic.Logger;
 import emu.grasscutter.auth.AuthenticationSystem;
@@ -15,6 +12,7 @@ import emu.grasscutter.data.ResourceLoader;
 import emu.grasscutter.database.DatabaseManager;
 import emu.grasscutter.plugin.PluginManager;
 import emu.grasscutter.plugin.api.ServerHelper;
+import emu.grasscutter.plugin.api.ServerHook;
 import emu.grasscutter.server.game.GameServer;
 import emu.grasscutter.server.http.HttpServer;
 import emu.grasscutter.server.http.dispatch.DispatchHandler;
@@ -27,12 +25,6 @@ import emu.grasscutter.server.http.handlers.GenericHandler;
 import emu.grasscutter.server.http.handlers.LogHandler;
 import emu.grasscutter.tools.Tools;
 import emu.grasscutter.utils.*;
-import java.io.File;
-import java.io.FileWriter;
-import java.io.IOError;
-import java.io.IOException;
-import java.util.Calendar;
-import javax.annotation.Nullable;
 import lombok.Getter;
 import lombok.Setter;
 import org.jline.reader.EndOfFileException;
@@ -44,6 +36,16 @@ import org.jline.terminal.TerminalBuilder;
 import org.reflections.Reflections;
 import org.slf4j.LoggerFactory;
 
+import javax.annotation.Nullable;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOError;
+import java.io.IOException;
+import java.util.Calendar;
+
+import static emu.grasscutter.config.Configuration.SERVER;
+import static emu.grasscutter.utils.Language.translate;
+
 public final class Grasscutter {
     public static final File configFile = new File("./config.json");
     public static final Reflections reflector = new Reflections("emu.grasscutter");
@@ -122,6 +124,8 @@ public final class Grasscutter {
         gameServer = new GameServer();
         // Create a server hook instance with both servers.
         new ServerHelper(gameServer, httpServer);
+        // noinspection removal
+        new ServerHook(gameServer, httpServer);
 
         // Create plugin manager instance.
         pluginManager = new PluginManager();

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

@@ -2,17 +2,20 @@ package emu.grasscutter.plugin;
 
 import emu.grasscutter.Grasscutter;
 import emu.grasscutter.plugin.api.ServerHelper;
+import emu.grasscutter.plugin.api.ServerHook;
 import emu.grasscutter.server.game.GameServer;
 import emu.grasscutter.utils.FileUtils;
-import java.io.File;
-import java.io.InputStream;
-import java.net.URLClassLoader;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.File;
+import java.io.InputStream;
+import java.net.URLClassLoader;
+
 /** The base class for all plugins to extend. */
+@SuppressWarnings("removal")
 public abstract class Plugin {
-    private final ServerHelper server = ServerHelper.getInstance();
+    private final ServerHelper server = ServerHook.getInstance();
 
     private PluginIdentifier identifier;
     private URLClassLoader classLoader;
@@ -100,8 +103,8 @@ public abstract class Plugin {
      *
      * @return A server hook singleton.
      */
-    public final ServerHelper getHandle() {
+    public final ServerHook getHandle() {
-        return this.server;
+        return (ServerHook) this.server;
     }
 
     /**

src/main/java/emu/grasscutter/plugin/api/ServerHelper.java

@@ -15,7 +15,7 @@ import java.util.List;
 import java.util.stream.Stream;
 
 /** Hooks into the {@link GameServer} class, adding convenient ways to do certain things. */
-public final class ServerHelper {
+public class ServerHelper {
     private static ServerHelper instance;
     private final GameServer gameServer;
     private final HttpServer httpServer;

src/main/java/emu/grasscutter/plugin/api/ServerHook.java

@@ -0,0 +1,30 @@
+package emu.grasscutter.plugin.api;
+
+import emu.grasscutter.server.game.GameServer;
+import emu.grasscutter.server.http.HttpServer;
+
+@Deprecated(since = "2.0.0", forRemoval = true)
+public final class ServerHook extends ServerHelper {
+    private static ServerHook instance;
+
+    /**
+     * Hooks into a server.
+     *
+     * @param gameServer The game server to hook into.
+     * @param httpServer The HTTP server to hook into.
+     */
+    public ServerHook(GameServer gameServer, HttpServer httpServer) {
+        super(gameServer, httpServer);
+
+        instance = this;
+    }
+
+    /**
+     * Gets the server hook instance.
+     *
+     * @return A {@link ServerHook} singleton.
+     */
+    public static ServerHook getInstance() {
+        return instance;
+    }
+}