Add more events

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

@@ -70,13 +70,13 @@ public final class Grasscutter {
 		// Database
 		DatabaseManager.initialize();
 
+		// Create plugin manager instance.
+		pluginManager = new PluginManager();
+		
 		// Create server instances.
 		dispatchServer = new DispatchServer();
 		gameServer = new GameServer(new InetSocketAddress(getConfig().getGameServerOptions().Ip, getConfig().getGameServerOptions().Port));
 		
-		// Create plugin manager instance.
-		pluginManager = new PluginManager();
-		
 		// Start servers.
 		if(getConfig().RunMode.equalsIgnoreCase("HYBRID")) {
 			dispatchServer.start();

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

@@ -286,8 +286,6 @@ public class GachaManager {
 				this.watchService = FileSystems.getDefault().newWatchService();
 				Path path = new File(Grasscutter.getConfig().DATA_FOLDER).toPath();
 				path.register(watchService, new WatchEvent.Kind[]{StandardWatchEventKinds.ENTRY_MODIFY}, SensitivityWatchEventModifier.HIGH);
-
-				server.OnGameServerTick.register(this);
 			} catch (Exception e) {
 				Grasscutter.getLogger().error("Unable to load the Gacha Manager Watch Service. If ServerOptions.watchGacha is true it will not auto-reload");
 				e.printStackTrace();

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

+package emu.grasscutter.plugin.api;
+
+import emu.grasscutter.game.GenshinPlayer;
+import emu.grasscutter.server.game.GameServer;
+
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * Hooks into the {@link GameServer} class, adding convenient ways to do certain things.
+ */
+public final class ServerHook {
+    private static ServerHook instance;
+    private final GameServer server;
+
+    /**
+     * Gets the server hook instance.
+     * @return A {@link ServerHook} singleton.
+     */
+    public static ServerHook getInstance() {
+        return instance;
+    }
+
+    /**
+     * Hooks into a server.
+     * @param server The server to hook into.
+     */
+    public ServerHook(GameServer server) {
+        this.server = server;
+        
+        instance = this;
+    }
+
+    /**
+     * Gets all online players.
+     * @return Players connected to the server.
+     */
+    public List<GenshinPlayer> getOnlinePlayers() {
+        return new LinkedList<>(this.server.getPlayers().values());
+    }
+}
\ No newline at end of file

src/main/java/emu/grasscutter/server/event/ServerEvent.java

@@ -10,6 +10,10 @@ public abstract class ServerEvent extends Event {
         this.type = type;
     }
     
+    public Type getServerType() {
+        return this.type;
+    }
+    
     public enum Type {
         DISPATCH,
         GAME

src/main/java/emu/grasscutter/server/event/game/ServerTickEvent.java

+package emu.grasscutter.server.event.game;
+
+import emu.grasscutter.server.event.ServerEvent;
+
+public final class ServerTickEvent extends ServerEvent {
+    public ServerTickEvent() {
+        super(Type.GAME);
+    }
+}

src/main/java/emu/grasscutter/server/event/internal/ServerStartEvent.java

+package emu.grasscutter.server.event.internal;
+
+import emu.grasscutter.server.event.ServerEvent;
+
+import java.time.OffsetDateTime;
+
+public final class ServerStartEvent extends ServerEvent {
+    private final OffsetDateTime startTime;
+    
+    public ServerStartEvent(Type type, OffsetDateTime startTime) {
+        super(type);
+        
+        this.startTime = startTime;
+    }
+    
+    public OffsetDateTime getStartTime() {
+        return this.startTime;
+    }
+}

src/main/java/emu/grasscutter/server/event/internal/ServerStopEvent.java

+package emu.grasscutter.server.event.internal;
+
+import emu.grasscutter.server.event.ServerEvent;
+
+import java.time.OffsetDateTime;
+
+public final class ServerStopEvent extends ServerEvent {
+    private final OffsetDateTime stopTime;
+
+    public ServerStopEvent(Type type, OffsetDateTime stopTime) {
+        super(type);
+
+        this.stopTime = stopTime;
+    }
+
+    public OffsetDateTime getStopTime() {
+        return this.stopTime;
+    }
+}

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

 package emu.grasscutter.server.game;
 
 import java.net.InetSocketAddress;
+import java.time.OffsetDateTime;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 
@@ -19,7 +20,10 @@ import emu.grasscutter.game.shop.ShopManager;
 import emu.grasscutter.net.packet.PacketHandler;
 import emu.grasscutter.net.proto.SocialDetailOuterClass.SocialDetail;
 import emu.grasscutter.netty.MihoyoKcpServer;
-import org.greenrobot.eventbus.EventBus;
+import emu.grasscutter.server.event.ServerEvent;
+import emu.grasscutter.server.event.game.ServerTickEvent;
+import emu.grasscutter.server.event.internal.ServerStartEvent;
+import emu.grasscutter.server.event.internal.ServerStopEvent;
 
 public final class GameServer extends MihoyoKcpServer {
 	private final InetSocketAddress address;
@@ -35,17 +39,9 @@ public final class GameServer extends MihoyoKcpServer {
 	private final DungeonManager dungeonManager;
 	private final CommandMap commandMap;
 	
-	public EventBus OnGameServerStartFinish;
-	public EventBus OnGameServerTick;
-	public EventBus OnGameServerStop;
-	
 	public GameServer(InetSocketAddress address) {
 		super(address);
 
-		OnGameServerStartFinish = EventBus.builder().throwSubscriberException(true).logNoSubscriberMessages(false).build();
-		OnGameServerTick = EventBus.builder().throwSubscriberException(true).logNoSubscriberMessages(false).build();
-		OnGameServerStop = EventBus.builder().throwSubscriberException(true).logNoSubscriberMessages(false).build();
-
 		this.setServerInitializer(new GameServerInitializer(this));
 		this.address = address;
 		this.packetHandler = new GameServerPacketHandler(PacketHandler.class);
@@ -160,23 +156,22 @@ public final class GameServer extends MihoyoKcpServer {
 		return DatabaseHelper.getAccountByName(username);
 	}
 	
-	public void onTick() throws Exception {
+	public void onTick() {
 		for (GenshinPlayer player : this.getPlayers().values()) {
 			player.onTick();
 		}
 
-		OnGameServerTick.post(new GameServerTickEvent());
+		ServerTickEvent event = new ServerTickEvent(); event.call();
 	}
 
 	@Override
 	public void onStartFinish() {
 		Grasscutter.getLogger().info("Game Server started on port " + address.getPort());
-
-		OnGameServerStartFinish.post(new GameServerStartFinishEvent());
+		ServerStartEvent event = new ServerStartEvent(ServerEvent.Type.GAME, OffsetDateTime.now()); event.call();
 	}
 	
 	public void onServerShutdown() {
-		OnGameServerStop.post(new GameServerStopEvent());
+		ServerStopEvent event = new ServerStopEvent(ServerEvent.Type.GAME, OffsetDateTime.now()); event.call();
 
 		// Kick and save all players
 		List<GenshinPlayer> list = new ArrayList<>(this.getPlayers().size());