Formatting changes

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

@@ -8,13 +8,14 @@ import java.util.List;
 
 @Command(label = "coop", usage = "coop",
         description = "Forces someone to join the world of others", permission = "server.coop")
-public class CoopCommand implements CommandHandler {
+public final class CoopCommand implements CommandHandler {
     @Override
     public void execute(Player sender, List<String> args) {
         if (args.size() < 2) {
             CommandHandler.sendMessage(sender, "Usage: coop <playerId> <target playerId>");
             return;
         }
+        
         try {
             int tid = Integer.parseInt(args.get(0));
             int hostId = Integer.parseInt(args.get(1));

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

@@ -15,7 +15,7 @@ import java.util.*;
 
 @Command(label = "giveall", usage = "giveall [player] [amount]",
         description = "Gives all items", aliases = {"givea"}, permission = "player.giveall", threading = true)
-public class GiveAllCommand implements CommandHandler {
+public final class GiveAllCommand implements CommandHandler {
 
     @Override
     public void execute(Player sender, List<String> args) {
@@ -142,16 +142,11 @@ public class GiveAllCommand implements CommandHandler {
             }
         }
 
-       if (testItemsList.contains(itemId)) {
-            return true;
-        }
-
-        return false;
+        return testItemsList.contains(itemId);
     }
 
     static class Range {
-        private int min;
-        private int max;
+        private final int min, max;
 
         public Range(int min, int max) {
             if(min > max){
@@ -159,6 +154,7 @@ public class GiveAllCommand implements CommandHandler {
                 max ^= min;
                 min ^= max;
             }
+            
             this.min = min;
             this.max = max;
         }

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

@@ -6,24 +6,20 @@ import emu.grasscutter.command.CommandHandler;
 import emu.grasscutter.database.DatabaseHelper;
 import emu.grasscutter.game.mail.Mail;
 import emu.grasscutter.game.player.Player;
-import emu.grasscutter.server.packet.send.PacketMailChangeNotify;
 
-import java.time.Instant;
-import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
-import java.util.Locale;
 
 @Command(label = "sendmail", usage = "sendmail <userId|all|help> [templateId]",
         description = "Sends mail to the specified user. The usage of this command changes based on it's composition state.", permission = "server.sendmail")
-public class SendMailCommand implements CommandHandler {
+public final class SendMailCommand implements CommandHandler {
 
     // TODO: You should be able to do /sendmail and then just send subsequent messages until you finish
     //  However, due to the current nature of the command system, I don't think this is possible without rewriting
     //  the command system (again). For now this will do
 
     // Key = User that is constructing the mail.
-    private static HashMap<Integer, MailBuilder> mailBeingConstructed = new HashMap<Integer, MailBuilder>();
+    private static final HashMap<Integer, MailBuilder> mailBeingConstructed = new HashMap<Integer, MailBuilder>();
 
     // Yes this is awful and I hate it.
     @Override
@@ -48,7 +44,6 @@ public class SendMailCommand implements CommandHandler {
                         default -> {
                             if (DatabaseHelper.getPlayerById(Integer.parseInt(args.get(0))) != null) {
                                 mailBuilder = new MailBuilder(Integer.parseInt(args.get(0)), new Mail());
-                                break;
                             } else {
                                 CommandHandler.sendMessage(sender, "The user with an id of '" + args.get(0) + "' does not exist");
                                 return;
@@ -73,7 +68,7 @@ public class SendMailCommand implements CommandHandler {
                     }
                     case "finish" -> {
                         if (mailBuilder.constructionStage == 3) {
-                            if (mailBuilder.sendToAll == false) {
+                            if (!mailBuilder.sendToAll) {
                                 Grasscutter.getGameServer().getPlayerByUid(mailBuilder.recipient, true).sendMail(mailBuilder.mail);
                                 CommandHandler.sendMessage(sender, "Message sent to user " + mailBuilder.recipient + "!");
                             } else {

src/main/java/emu/grasscutter/command/commands/TpallCommand.java → src/main/java/emu/grasscutter/command/commands/TeleportAllCommand.java

@@ -9,23 +9,25 @@ import java.util.List;
 
 @Command(label = "tpall", usage = "tpall",
         description = "Teleports all players in your world to your position", permission = "player.tpall")
-public class TpallCommand implements CommandHandler {
+public final class TeleportAllCommand implements CommandHandler {
     @Override
     public void execute(Player sender, List<String> args) {
         if (sender == null) {
             CommandHandler.sendMessage(null, "Run this command in-game.");
             return;
         }
+        
         if (!sender.getWorld().isMultiplayer()) {
             CommandHandler.sendMessage(sender, "You only can use this command in MP mode.");
             return;
         }
-        for (Player gp : sender.getWorld().getPlayers()) {
-            if (gp.equals(sender))
+        
+        for (Player player : sender.getWorld().getPlayers()) {
+            if (player.equals(sender))
                 continue;
             Position pos = sender.getPos();
 
-            gp.getWorld().transferPlayerToScene(gp, sender.getSceneId(), pos);
+            player.getWorld().transferPlayerToScene(player, sender.getSceneId(), pos);
         }
     }
 }

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

@@ -30,6 +30,7 @@ import java.net.BindException;
 import java.net.InetSocketAddress;
 import java.net.URI;
 import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
 import java.security.KeyStore;
 import java.util.*;
 
@@ -243,10 +244,9 @@ public final class DispatchServer {
 					try {
 						kmf = createKeyManagerFactory(keystoreFile, "123456");
 						Grasscutter.getLogger().warn(
-							"[Dispatch] The default keystore password was loaded successfully. Please consider setting the password to 123456 in config.json.");
+							"[Dispatch] The default keystore password was loaded successfully. Please consider setting the password to '123456' in config.json.");
 					} catch (Exception e2) {
-						Grasscutter.getLogger().warn("[Dispatch] Error while loading keystore!");
-						e2.printStackTrace();
+						Grasscutter.getLogger().warn("[Dispatch] Error while loading keystore!", e2);
 					}
 				}
 			}
@@ -339,10 +339,6 @@ public final class DispatchServer {
 					// added.
 					account = DatabaseHelper.createAccountWithId(requestData.account, 0);
 
-					for (String permission : Grasscutter.getConfig().getDispatchOptions().defaultPermissions) {
-						account.addPermission(permission);
-					}
-
 					if (account != null) {
 						responseData.message = "OK";
 						responseData.data.account.uid = account.getId();
@@ -352,6 +348,9 @@ public final class DispatchServer {
 						Grasscutter.getLogger()
 								.info(String.format("[Dispatch] Client %s failed to log in: Account %s created",
 										t.getRemoteAddress(), responseData.data.account.uid));
+						for (String permission : Grasscutter.getConfig().getDispatchOptions().defaultPermissions) {
+							account.addPermission(permission);
+						}
 					} else {
 						responseData.retcode = -201;
 						responseData.message = "Username not found, create failed.";
@@ -575,15 +574,11 @@ 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"), "");
-					} 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
+				if (eqPos < 0 || eqPos > next) {
+					result.put(URLDecoder.decode(qs.substring(last, next), StandardCharsets.UTF_8), "");
+				} else {
+					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/event/dispatch/QueryAllRegionsEvent.java

 package emu.grasscutter.server.event.dispatch;
 
-import emu.grasscutter.server.event.ServerEvent;
+import emu.grasscutter.server.event.types.ServerEvent;
 
 public final class QueryAllRegionsEvent extends ServerEvent {
     private String regionList;

src/main/java/emu/grasscutter/server/event/dispatch/QueryCurrentRegionEvent.java

 package emu.grasscutter.server.event.dispatch;
 
-import emu.grasscutter.server.event.ServerEvent;
+import emu.grasscutter.server.event.types.ServerEvent;
 
 public final class QueryCurrentRegionEvent extends ServerEvent {
     private String regionInfo;

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

 package emu.grasscutter.server.event.game;
 
 import emu.grasscutter.server.event.Cancellable;
-import emu.grasscutter.server.event.ServerEvent;
+import emu.grasscutter.server.event.types.ServerEvent;
 import emu.grasscutter.server.game.GameSession;
 
 public final class ReceivePacketEvent extends ServerEvent implements Cancellable {

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

@@ -17,7 +17,7 @@ import emu.grasscutter.game.world.World;
 import emu.grasscutter.net.packet.PacketHandler;
 import emu.grasscutter.net.proto.SocialDetailOuterClass.SocialDetail;
 import emu.grasscutter.netty.KcpServer;
-import emu.grasscutter.server.event.ServerEvent;
+import emu.grasscutter.server.event.types.ServerEvent;
 import emu.grasscutter.server.event.game.ServerTickEvent;
 import emu.grasscutter.server.event.internal.ServerStartEvent;
 import emu.grasscutter.server.event.internal.ServerStopEvent;

src/main/java/emu/grasscutter/task/TaskHandler.java

@@ -3,24 +3,12 @@ package emu.grasscutter.task;
 import org.quartz.*;
 
 @PersistJobDataAfterExecution
-public class TaskHandler implements Job {
-
+public abstract class TaskHandler implements Job {
     public void restartExecute() throws JobExecutionException {
         execute(null);
     }
 
-    public void onEnable() {
-
-    }
-
-    public void onDisable() {
-
-    }
-
-    @Override
-    public void execute(JobExecutionContext context) throws JobExecutionException {
-        // TODO Auto-generated method stub
-
-    }
+    public abstract void onEnable();
 
+    public abstract void onDisable();
 }

src/main/java/emu/grasscutter/task/tasks/MoonCard.java

@@ -4,22 +4,21 @@ import emu.grasscutter.Grasscutter;
 import emu.grasscutter.task.Task;
 import emu.grasscutter.task.TaskHandler;
 
-
 import org.quartz.JobExecutionContext;
 import org.quartz.JobExecutionException;
 
 @Task(taskName = "MoonCard", taskCronExpression = "0 0 0 * * ?", triggerName = "MoonCardTrigger")
 // taskCronExpression: Fixed time period: 0:0:0 every day (twenty-four hour system)
-public class MoonCard extends TaskHandler {
+public final class MoonCard extends TaskHandler {
 
     @Override
     public void onEnable() {
-        Grasscutter.getLogger().info("[Task] MoonCard task enabled.");
+        Grasscutter.getLogger().debug("[Task] MoonCard task enabled.");
     }
 
     @Override
     public void onDisable() {
-        Grasscutter.getLogger().info("[Task] MoonCard task disabled.");
+        Grasscutter.getLogger().debug("[Task] MoonCard task disabled.");
     }
 
     @Override