Remove onEnable, onDisable and onLoad and replace it with lifecycle events

api/geyser/src/main/java/org/geysermc/geyser/api/event/lifecycle/GeyserPostInitializeEvent.java

@@ -25,10 +25,16 @@
 
 package org.geysermc.geyser.api.event.lifecycle;
 
+import org.checkerframework.checker.nullness.qual.NonNull;
 import org.geysermc.geyser.api.event.Event;
+import org.geysermc.geyser.api.event.EventBus;
+import org.geysermc.geyser.api.extension.ExtensionManager;
 
 /**
  * Called when Geyser has completed initializing.
+ *
+ * @param extensionManager the extension manager
+ * @param eventBus the event bus
  */
-public class GeyserPostInitializeEvent implements Event {
+public record GeyserPostInitializeEvent(@NonNull ExtensionManager extensionManager, @NonNull EventBus eventBus) implements Event {
 }

api/geyser/src/main/java/org/geysermc/geyser/api/event/lifecycle/GeyserPreInitializeEvent.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.geyser.api.event.lifecycle;
+
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.geysermc.geyser.api.event.Event;
+import org.geysermc.geyser.api.event.EventBus;
+import org.geysermc.geyser.api.extension.ExtensionManager;
+
+/**
+ * Called when Geyser is starting to initialize.
+ *
+ * @param extensionManager the extension manager
+ * @param eventBus the event bus
+ */
+public record GeyserPreInitializeEvent(@NonNull ExtensionManager extensionManager, @NonNull EventBus eventBus) implements Event {
+}

api/geyser/src/main/java/org/geysermc/geyser/api/event/lifecycle/GeyserShutdownEvent.java

@@ -25,10 +25,14 @@
 
 package org.geysermc.geyser.api.event.lifecycle;
 
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.geysermc.geyser.api.command.CommandManager;
 import org.geysermc.geyser.api.event.Event;
+import org.geysermc.geyser.api.event.EventBus;
+import org.geysermc.geyser.api.extension.ExtensionManager;
 
 /**
  * Called when Geyser is shutting down.
  */
-public class GeyserShutdownEvent implements Event {
+public record GeyserShutdownEvent(@NonNull ExtensionManager extensionManager, @NonNull CommandManager commandManager, @NonNull EventBus eventBus) implements Event {
 }

api/geyser/src/main/java/org/geysermc/geyser/api/extension/Extension.java

@@ -36,24 +36,6 @@ import java.nio.file.Path;
  */
 public interface Extension {
 
-    /**
-     * Called when the extension is loaded
-     */
-    default void onLoad() {
-    }
-
-    /**
-     * Called when the extension is enabled
-     */
-    default void onEnable() {
-    }
-
-    /**
-     * Called when the extension is disabled
-     */
-    default void onDisable() {
-    }
-
     /**
      * Gets if the extension is enabled
      *

core/src/main/java/org/geysermc/geyser/GeyserImpl.java

@@ -51,6 +51,7 @@ import org.geysermc.floodgate.news.NewsItemAction;
 import org.geysermc.geyser.api.GeyserApi;
 import org.geysermc.geyser.api.event.EventBus;
 import org.geysermc.geyser.api.event.lifecycle.GeyserPostInitializeEvent;
+import org.geysermc.geyser.api.event.lifecycle.GeyserPreInitializeEvent;
 import org.geysermc.geyser.api.event.lifecycle.GeyserShutdownEvent;
 import org.geysermc.geyser.command.GeyserCommandManager;
 import org.geysermc.geyser.configuration.GeyserConfiguration;
@@ -167,6 +168,8 @@ public class GeyserImpl implements GeyserApi {
         this.extensionManager = new GeyserExtensionManager();
         this.extensionManager.init();
 
+        this.eventBus.fire(new GeyserPreInitializeEvent(this.extensionManager, this.eventBus));
+
         start();
 
         GeyserConfiguration config = bootstrap.getGeyserConfig();
@@ -418,7 +421,7 @@ public class GeyserImpl implements GeyserApi {
 
         newsHandler.handleNews(null, NewsItemAction.ON_SERVER_STARTED);
 
-        this.eventBus.fire(new GeyserPostInitializeEvent());
+        this.eventBus.fire(new GeyserPostInitializeEvent(this.extensionManager, this.eventBus));
     }
 
     @Override
@@ -474,7 +477,7 @@ public class GeyserImpl implements GeyserApi {
 
         ResourcePack.PACKS.clear();
 
-        this.eventBus.fire(new GeyserShutdownEvent());
+        this.eventBus.fire(new GeyserShutdownEvent(this.extensionManager, this.commandManager(), this.eventBus));
         this.extensionManager.disableExtensions();
 
         bootstrap.getGeyserLogger().info(GeyserLocale.getLocaleStringLog("geyser.core.shutdown.done"));

core/src/main/java/org/geysermc/geyser/extension/GeyserExtensionLoader.java

@@ -90,9 +90,7 @@ public class GeyserExtensionLoader extends ExtensionLoader {
 
     private GeyserExtensionContainer setup(Extension extension, GeyserExtensionDescription description, Path dataFolder, ExtensionEventBus eventBus) {
         GeyserExtensionLogger logger = new GeyserExtensionLogger(GeyserImpl.getInstance().getLogger(), description.name());
-        GeyserExtensionContainer container = new GeyserExtensionContainer(extension, dataFolder, description, this, logger, eventBus);
-        extension.onLoad();
-        return container;
+        return new GeyserExtensionContainer(extension, dataFolder, description, this, logger, eventBus);
     }
 
     public GeyserExtensionDescription extensionDescription(Path path) throws InvalidDescriptionException {
@@ -225,15 +223,7 @@ public class GeyserExtensionLoader extends ExtensionLoader {
 
     @Override
     protected void setEnabled(@NonNull Extension extension, boolean enabled) {
-        boolean isEnabled = this.extensionContainers.get(extension).enabled;
-        if (isEnabled != enabled) {
-            this.extensionContainers.get(extension).enabled = enabled;
-            if (enabled) {
-                extension.onEnable();
-            } else {
-                extension.onDisable();
-            }
-        }
+        this.extensionContainers.get(extension).enabled = enabled;
     }
 
     @NonNull