Convert to the superior language system. (pt. 3)

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

@@ -7,6 +7,8 @@ import emu.grasscutter.game.player.Player;
 
 import java.util.List;
 
+import static emu.grasscutter.utils.Language.translate;
+
 @Command(label = "coop", usage = "coop [host UID]",
         description = "Forces someone to join the world of others", permission = "server.coop")
 public final class CoopCommand implements CommandHandler {
@@ -20,26 +22,25 @@ public final class CoopCommand implements CommandHandler {
         Player host = sender;
         switch (args.size()) {
             case 0:  // Summon target to self
-                if (sender == null) {  // Console doesn't have a self to summon to
-                    CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Coop_usage);
+                CommandHandler.sendMessage(sender, translate("commands.coop.usage"));
+                if (sender == null) // Console doesn't have a self to summon to
                     return;
-                }
                 break;
             case 1:  // Summon target to argument
                 try {
                     int hostId = Integer.parseInt(args.get(0));
                     host = Grasscutter.getGameServer().getPlayerByUid(hostId);
                     if (host == null) {
-                        CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Player_is_offline);
+                        CommandHandler.sendMessage(sender, translate("commands.execution.player_offline_error"));
                         return;
                     }
                     break;
                 } catch (NumberFormatException ignored) {
-                    CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Invalid_playerId);
+                    CommandHandler.sendMessage(sender, translate("commands.execution.uid_error"));
                     return;
                 }
             default:
-                CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Coop_usage);
+                CommandHandler.sendMessage(sender, translate("commands.coop.usage"));
                 return;
         }
         
@@ -49,6 +50,6 @@ public final class CoopCommand implements CommandHandler {
         }
         host.getServer().getMultiplayerManager().applyEnterMp(targetPlayer, host.getUid());
         targetPlayer.getServer().getMultiplayerManager().applyEnterMpReply(host, targetPlayer.getUid(), true);
-        CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Coop_success.replace("{host}", host.getNickname()).replace("{target}", targetPlayer.getNickname()));
+        CommandHandler.sendMessage(sender, translate("commands.coop.success", targetPlayer.getNickname(), host.getNickname()));
     }
 }

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

@@ -13,6 +13,8 @@ import emu.grasscutter.game.player.Player;
 
 import java.util.*;
 
+import static emu.grasscutter.utils.Language.translate;
+
 @Command(label = "giveall", usage = "giveall [amount]",
         description = "Gives all items", aliases = {"givea"}, permission = "player.giveall", threading = true)
 public final class GiveAllCommand implements CommandHandler {
@@ -32,21 +34,21 @@ public final class GiveAllCommand implements CommandHandler {
                 try {
                     amount = Integer.parseInt(args.get(0));
                 } catch (NumberFormatException ignored) {
-                    CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Invalid_amount);
+                    CommandHandler.sendMessage(sender, translate("commands.generic.invalid.amount"));
                     return;
                 }
                 break;
             default: // invalid
-                CommandHandler.sendMessage(sender, Grasscutter.getLanguage().GiveAll_usage);
+                CommandHandler.sendMessage(sender, translate("commands.giveAll.usage"));
                 return;
         }
 
         this.giveAllItems(targetPlayer, amount);
-        CommandHandler.sendMessage(sender, Grasscutter.getLanguage().GiveAll_done);
+        CommandHandler.sendMessage(sender, translate("commands.giveAll.success", targetPlayer.getNickname()));
     }
 
     public void giveAllItems(Player player, int amount) {
-        CommandHandler.sendMessage(player, Grasscutter.getLanguage().GiveAll_item);
+        CommandHandler.sendMessage(player, translate("commands.giveAll.started"));
 
         for (AvatarData avatarData: GameData.getAvatarDataMap().values()) {
             //Exclude test avatar

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

@@ -14,6 +14,8 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
+import static emu.grasscutter.utils.Language.translate;
+
 @Command(label = "giveart", usage = "giveart <artifactId> <mainPropId> [<appendPropId>[,<times>]]... [level]", description = "Gives the player a specified artifact", aliases = {"gart"}, permission = "player.giveart")
 public final class GiveArtifactCommand implements CommandHandler {
 	@Override
@@ -24,7 +26,7 @@ public final class GiveArtifactCommand implements CommandHandler {
 		}
 
 		if (args.size() < 2) {
-			CommandHandler.sendMessage(sender, Grasscutter.getLanguage().GiveArtifact_usage);
+			CommandHandler.sendMessage(sender, translate("commands.giveArtifact.usage"));
 			return;
 		}
 
@@ -32,12 +34,12 @@ public final class GiveArtifactCommand implements CommandHandler {
 		try {
 			itemId = Integer.parseInt(args.remove(0));
 		} catch (NumberFormatException ignored) {
-			CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Invalid_artifact_id);
+			CommandHandler.sendMessage(sender, translate("commands.giveArtifact.id_error"));
 			return;
 		}
 		ItemData itemData = GameData.getItemDataMap().get(itemId);
 		if (itemData.getItemType() != ItemType.ITEM_RELIQUARY) {
-			CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Invalid_artifact_id);
+			CommandHandler.sendMessage(sender, translate("commands.giveArtifact.id_error"));
 			return;
 		}
 
@@ -45,7 +47,7 @@ public final class GiveArtifactCommand implements CommandHandler {
 		try {
 			mainPropId = Integer.parseInt(args.remove(0));
 		} catch (NumberFormatException ignored) {
-			CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Invalid_arguments);
+			CommandHandler.sendMessage(sender, translate("commands.generic.execution.argument_error"));
 			return;
 		}
 
@@ -59,7 +61,7 @@ public final class GiveArtifactCommand implements CommandHandler {
 		} catch (NumberFormatException ignored) {  // Could be a stat,times string so no need to panic
 		}
 
-		ArrayList<Integer> appendPropIdList = new ArrayList<>();
+		List<Integer> appendPropIdList = new ArrayList<>();
 		try {
 			args.forEach(it -> {
 				String[] arr;
@@ -74,7 +76,7 @@ public final class GiveArtifactCommand implements CommandHandler {
 				appendPropIdList.addAll(Collections.nCopies(n, Integer.parseInt(it)));
 			});
 		} catch (Exception ignored) {
-			CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Invalid_arguments);
+			CommandHandler.sendMessage(sender, translate("commands.execution.argument_error"));
 			return;
 		}
 
@@ -85,7 +87,7 @@ public final class GiveArtifactCommand implements CommandHandler {
 		item.getAppendPropIdList().addAll(appendPropIdList);
 		targetPlayer.getInventory().addItem(item, ActionReason.SubfieldDrop);
 
-		CommandHandler.sendMessage(sender, Grasscutter.getLanguage().GiveArtifact_given.replace("{itemId}", Integer.toString(itemId)).replace("target", Integer.toString(targetPlayer.getUid())));
+		CommandHandler.sendMessage(sender, translate("commands.giveArtifact.success", Integer.toString(itemId), Integer.toString(targetPlayer.getUid())));
 	}
 }
 

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

 package emu.grasscutter.command.commands;
 
-import emu.grasscutter.Grasscutter;
 import emu.grasscutter.command.Command;
 import emu.grasscutter.command.CommandHandler;
 import emu.grasscutter.game.entity.EntityAvatar;
@@ -12,6 +11,8 @@ import emu.grasscutter.server.packet.send.PacketLifeStateChangeNotify;
 
 import java.util.List;
 
+import static emu.grasscutter.utils.Language.translate;
+
 @Command(label = "killcharacter", usage = "killcharacter", aliases = {"suicide", "kill"},
         description = "Kills the players current character", permission = "player.killcharacter")
 public final class KillCharacterCommand implements CommandHandler {
@@ -32,6 +33,6 @@ public final class KillCharacterCommand implements CommandHandler {
         targetPlayer.getScene().removeEntity(entity);
         entity.onDeath(0);
 
-        CommandHandler.sendMessage(sender, Grasscutter.getLanguage().KillCharacter_kill_current_character.replace("{name}", targetPlayer.getNickname()));
+        CommandHandler.sendMessage(sender, translate("commands.killCharacter.success", targetPlayer.getNickname()));
     }
 }

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

@@ -8,6 +8,8 @@ import emu.grasscutter.game.player.Player;
 import java.util.List;
 import java.util.Map;
 
+import static emu.grasscutter.utils.Language.translate;
+
 @Command(label = "list", usage = "list [uid]",
         description = "List online players", aliases = {"players"})
 public final class ListCommand implements CommandHandler {
@@ -21,7 +23,7 @@ public final class ListCommand implements CommandHandler {
             needUID = args.get(0).equals("uid");
         }
 
-        CommandHandler.sendMessage(sender, Grasscutter.getLanguage().List_message.replace("{size}", Integer.toString(playersMap.size())));
+        CommandHandler.sendMessage(sender, translate("commands.list.success", Integer.toString(playersMap.size())));
 
         if (playersMap.size() != 0) {
             StringBuilder playerSet = new StringBuilder();

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

@@ -22,7 +22,7 @@ public final class PermissionCommand implements CommandHandler {
         }
         
         if (args.size() != 2) {
-            CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Permission_usage);
+            CommandHandler.sendMessage(sender, translate("commands.permission.usage"));
             return;
         }
 
@@ -31,23 +31,23 @@ public final class PermissionCommand implements CommandHandler {
 
         Account account = targetPlayer.getAccount();
         if (account == null) {
-            CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Account_not_find);
+            CommandHandler.sendMessage(sender, translate("commands.permission.account_error"));
             return;
         }
 
         switch (action) {
             default:
-                CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Permission_usage);
+                CommandHandler.sendMessage(sender, translate("commands.permission.usage"));
                 break;
             case "add":
                 if (account.addPermission(permission)) {
-                    CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Permission_add);
-                } else CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Permission_have_permission);
+                    CommandHandler.sendMessage(sender, translate("commands.permission.add"));
+                } else CommandHandler.sendMessage(sender, translate("commands.permission.has_error"));
                 break;
             case "remove":
                 if (account.removePermission(permission)) {
-                    CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Permission_remove);
-                } else CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Permission_not_have_permission);
+                    CommandHandler.sendMessage(sender, translate("commands.permission.remove"));
+                } else CommandHandler.sendMessage(sender, translate("commands.permission.not_have_error"));
                 break;
         }
 

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

@@ -7,6 +7,8 @@ import emu.grasscutter.game.player.Player;
 
 import java.util.List;
 
+import static emu.grasscutter.utils.Language.translate;
+
 @Command(label = "resetshop", usage = "resetshop",
         description = "Reset target player's shop refresh time.", permission = "server.resetshop")
 public final class ResetShopLimitCommand implements CommandHandler {
@@ -19,6 +21,6 @@ public final class ResetShopLimitCommand implements CommandHandler {
 
         targetPlayer.getShopLimit().forEach(x -> x.setNextRefreshTime(0));
         targetPlayer.save();
-        CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Success);
+        CommandHandler.sendMessage(sender, translate("commands.status.success"));
     }
 }

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

 package emu.grasscutter.command.commands;
 
-import emu.grasscutter.Grasscutter;
 import emu.grasscutter.command.Command;
 import emu.grasscutter.command.CommandHandler;
 import emu.grasscutter.game.player.Player;
@@ -20,12 +19,12 @@ public final class SendMessageCommand implements CommandHandler {
             return;
         }
         if (args.size() == 0) {
-            CommandHandler.sendMessage(null, Grasscutter.getLanguage().SendMessage_usage);
+            CommandHandler.sendMessage(null, translate("commands.sendMessage.usage"));
             return;
         }
 
         String message = String.join(" ", args);
         CommandHandler.sendMessage(targetPlayer, message);
-        CommandHandler.sendMessage(sender, Grasscutter.getLanguage().SenaMessage_message_sent);
+        CommandHandler.sendMessage(sender, translate("commands.sendMessage.success"));
     }
 }
\ No newline at end of file

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

@@ -2,7 +2,6 @@ package emu.grasscutter.command.commands;
 
 import java.util.List;
 
-import emu.grasscutter.Grasscutter;
 import emu.grasscutter.command.Command;
 import emu.grasscutter.command.CommandHandler;
 import emu.grasscutter.data.GameData;
@@ -10,6 +9,8 @@ import emu.grasscutter.game.avatar.Avatar;
 import emu.grasscutter.game.player.Player;
 import emu.grasscutter.server.packet.send.PacketAvatarFetterDataNotify;
 
+import static emu.grasscutter.utils.Language.translate;
+
 @Command(label = "setfetterlevel", usage = "setfetterlevel <level>",
         description = "Sets your fetter level for your current active character",
         aliases = {"setfetterlvl", "setfriendship"}, permission = "player.setfetterlevel")
@@ -23,14 +24,14 @@ public final class SetFetterLevelCommand implements CommandHandler {
         }
 
         if (args.size() != 1) {
-            CommandHandler.sendMessage(sender, Grasscutter.getLanguage().SetFetterLevel_usage);
+            CommandHandler.sendMessage(sender, translate("commands.setFetterLevel.usage"));
             return;
         }
 
         try {
             int fetterLevel = Integer.parseInt(args.get(0));
             if (fetterLevel < 0 || fetterLevel > 10) {
-                CommandHandler.sendMessage(sender, Grasscutter.getLanguage().SetFetterLevel_fetter_level_must_between_0_and_10);
+                CommandHandler.sendMessage(sender, translate("commands.setFetterLevel.range_error"));
                 return;
             }
             Avatar avatar = targetPlayer.getTeamManager().getCurrentAvatarEntity().getAvatar();
@@ -42,9 +43,9 @@ public final class SetFetterLevelCommand implements CommandHandler {
 		    avatar.save();
 		
 		    targetPlayer.sendPacket(new PacketAvatarFetterDataNotify(avatar));
-            CommandHandler.sendMessage(sender, Grasscutter.getLanguage().SetFetterLevel_fetter_set_level.replace("{level}", Integer.toString(fetterLevel)));
+            CommandHandler.sendMessage(sender, translate("commands.setFetterLevel.success", fetterLevel));
         } catch (NumberFormatException ignored) {
-            CommandHandler.sendMessage(sender, Grasscutter.getLanguage().SetFetterLevel_invalid_fetter_level);
+            CommandHandler.sendMessage(sender, translate("commands.setFetterLevel.level_error"));
         }
     }
     

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

@@ -33,7 +33,6 @@ public final class SetStatsCommand implements CommandHandler {
     Map<String, Stat> stats = new HashMap<>();
     
     public SetStatsCommand() {
-        Language lang = Grasscutter.getLanguage();
         // Default stats
         stats.put("maxhp", new Stat(FightProperty.FIGHT_PROP_MAX_HP.toString(), FightProperty.FIGHT_PROP_MAX_HP, false));
         stats.put("hp", new Stat(FightProperty.FIGHT_PROP_CUR_HP.toString(), FightProperty.FIGHT_PROP_CUR_HP, false));

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

@@ -7,6 +7,8 @@ import emu.grasscutter.game.player.Player;
 
 import java.util.List;
 
+import static emu.grasscutter.utils.Language.translate;
+
 @Command(label = "setworldlevel", usage = "setworldlevel <level>",
         description = "Sets your world level (Relog to see proper effects)",
         aliases = {"setworldlvl"}, permission = "player.setworldlevel")
@@ -20,14 +22,14 @@ public final class SetWorldLevelCommand implements CommandHandler {
         }
 
         if (args.size() < 1) {
-            CommandHandler.sendMessage(sender, Grasscutter.getLanguage().SetWorldLevel_usage);
+            CommandHandler.sendMessage(sender, translate("commands.setWorldLevel.usage"));
             return;
         }
 
         try {
             int level = Integer.parseInt(args.get(0));
             if (level > 8 || level < 0) {
-                CommandHandler.sendMessage(sender, Grasscutter.getLanguage().SetWorldLevel_world_level_must_between_0_and_8);
+                CommandHandler.sendMessage(sender, translate("commands.setWorldLevel.value_error"));
                 return;
             }
 
@@ -35,9 +37,9 @@ public final class SetWorldLevelCommand implements CommandHandler {
             targetPlayer.getWorld().setWorldLevel(level);
             targetPlayer.setWorldLevel(level);
 
-            CommandHandler.sendMessage(sender, Grasscutter.getLanguage().SetWorldLevel_set_world_level.replace("{level}", Integer.toString(level)));
+            CommandHandler.sendMessage(sender, translate("commands.setWorldLevel.success", Integer.toString(level)));
         } catch (NumberFormatException ignored) {
-            CommandHandler.sendMessage(null, Grasscutter.getLanguage().SetWorldLevel_invalid_world_level);
+            CommandHandler.sendMessage(null, translate("commands.setWorldLevel.invalid_world_level"));
         }
     }
 }

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

@@ -20,6 +20,8 @@ import javax.swing.text.html.parser.Entity;
 import java.util.List;
 import java.util.Random;
 
+import static emu.grasscutter.utils.Language.translate;
+
 @Command(label = "spawn", usage = "spawn <entityId> [amount] [level(monster only)]",
         description = "Spawns an entity near you", permission = "server.spawn")
 public final class SpawnCommand implements CommandHandler {
@@ -39,23 +41,23 @@ public final class SpawnCommand implements CommandHandler {
                 try {
                     level = Integer.parseInt(args.get(2));
                 } catch (NumberFormatException ignored) {
-                    CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Invalid_arguments);
+                    CommandHandler.sendMessage(sender, translate("commands.execution.argument_error"));
                 }  // Fallthrough
             case 2:
                 try {
                     amount = Integer.parseInt(args.get(1));
                 } catch (NumberFormatException ignored) {
-                    CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Invalid_amount);
+                    CommandHandler.sendMessage(sender, translate("commands.generic.error.amount"));
                 }  // Fallthrough
             case 1:
                 try {
                     id = Integer.parseInt(args.get(0));
                 } catch (NumberFormatException ignored) {
-                    CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Invalid_entity_id);
+                    CommandHandler.sendMessage(sender, translate("commands.generic.error.entityId"));
                 }
                 break;
             default:
-                CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Spawn_usage);
+                CommandHandler.sendMessage(sender, translate("commands.spawn.usage"));
                 return;
         }
 
@@ -63,7 +65,7 @@ public final class SpawnCommand implements CommandHandler {
         GadgetData gadgetData = GameData.getGadgetDataMap().get(id);
         ItemData itemData = GameData.getItemDataMap().get(id);
         if (monsterData == null && gadgetData == null && itemData == null) {
-            CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Invalid_entity_id);
+            CommandHandler.sendMessage(sender, translate("commands.generic.error.entityId"));
             return;
         }
         Scene scene = targetPlayer.getScene();
@@ -99,7 +101,7 @@ public final class SpawnCommand implements CommandHandler {
 
             scene.addEntity(entity);
         }
-        CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Spawn_message.replace("{amount}", Integer.toString(amount)).replace("{id}", Integer.toString(id)));
+        CommandHandler.sendMessage(sender, translate("commands.spawn.success", Integer.toString(amount), Integer.toString(id)));
     }
 
     private Position GetRandomPositionInCircle(Position origin, double radius){

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

@@ -7,17 +7,19 @@ import emu.grasscutter.game.player.Player;
 
 import java.util.List;
 
+import static emu.grasscutter.utils.Language.translate;
+
 @Command(label = "stop", usage = "stop",
         description = "Stops the server", permission = "server.stop")
 public final class StopCommand implements CommandHandler {
 
     @Override
     public void execute(Player sender, Player targetPlayer, List<String> args) {
-        CommandHandler.sendMessage(null, Grasscutter.getLanguage().Stop_message);
+        CommandHandler.sendMessage(null, translate("commands.stop.success"));
         for (Player p : Grasscutter.getGameServer().getPlayers().values()) {
-            CommandHandler.sendMessage(p, Grasscutter.getLanguage().Stop_message);
+            CommandHandler.sendMessage(p, translate("commands.stop.success"));
         }
 
-        System.exit(1);
+        System.exit(1000);
     }
 }

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

@@ -8,6 +8,8 @@ import emu.grasscutter.utils.Position;
 
 import java.util.List;
 
+import static emu.grasscutter.utils.Language.translate;
+
 @Command(label = "tpall", usage = "tpall",
         description = "Teleports all players in your world to your position", permission = "player.tpall")
 public final class TeleportAllCommand implements CommandHandler {
@@ -19,7 +21,7 @@ public final class TeleportAllCommand implements CommandHandler {
         }
         
         if (!targetPlayer.getWorld().isMultiplayer()) {
-            CommandHandler.sendMessage(sender, Grasscutter.getLanguage().TeleportAll_message);
+            CommandHandler.sendMessage(sender, translate("commands.teleportAll.error"));
             return;
         }
         
@@ -30,5 +32,7 @@ public final class TeleportAllCommand implements CommandHandler {
 
             player.getWorld().transferPlayerToScene(player, targetPlayer.getSceneId(), pos);
         }
+        
+        CommandHandler.sendMessage(sender, translate("commands.teleportAll.success"));
     }
 }

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

@@ -8,6 +8,8 @@ import emu.grasscutter.utils.Position;
 
 import java.util.List;
 
+import static emu.grasscutter.utils.Language.translate;
+
 @Command(label = "teleport", usage = "teleport <x> <y> <z> [scene id]", aliases = {"tp"},
         description = "Change the player's position.", permission = "player.teleport")
 public final class TeleportCommand implements CommandHandler {
@@ -41,7 +43,7 @@ public final class TeleportCommand implements CommandHandler {
                 try {
                     sceneId = Integer.parseInt(args.get(3));
                 }catch (NumberFormatException ignored) {
-                    CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Invalid_arguments);
+                    CommandHandler.sendMessage(sender, translate("commands.execution.argument_error"));
                 }  // Fallthrough
             case 3:
                 try {
@@ -49,20 +51,23 @@ public final class TeleportCommand implements CommandHandler {
                     y = parseRelative(args.get(1), y);
                     z = parseRelative(args.get(2), z);
                 } catch (NumberFormatException ignored) {
-                    CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Teleport_invalid_position);
+                    CommandHandler.sendMessage(sender, translate("commands.teleport.invalid_position"));
                 }
                 break;
             default:
-                CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Teleport_usage);
+                CommandHandler.sendMessage(sender, translate("commands.teleport.usage"));
                 return;
         }
 
         Position target_pos = new Position(x, y, z);
         boolean result = targetPlayer.getWorld().transferPlayerToScene(targetPlayer, sceneId, target_pos);
         if (!result) {
-            CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Teleport_invalid_position);
+            CommandHandler.sendMessage(sender, translate("commands.teleport.invalid_position"));
         } else {
-            CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Teleport_message.replace("{name}", targetPlayer.getNickname()).replace("{x}", Float.toString(x)).replace("{y}", Float.toString(y)).replace("{z}", Float.toString(z)).replace("{id}", Integer.toString(sceneId)));
+            CommandHandler.sendMessage(sender, translate("commands.teleport.success", 
+                    targetPlayer.getNickname(), Float.toString(x), Float.toString(y), 
+                    Float.toString(z), Integer.toString(sceneId))
+            );
         }
 
     }

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

@@ -9,6 +9,8 @@ import emu.grasscutter.server.packet.send.PacketSceneAreaWeatherNotify;
 
 import java.util.List;
 
+import static emu.grasscutter.utils.Language.translate;
+
 @Command(label = "weather", usage = "weather <weatherId> [climateId]",
         description = "Changes the weather.", aliases = {"w"}, permission = "player.weather")
 public final class WeatherCommand implements CommandHandler {
@@ -27,17 +29,17 @@ public final class WeatherCommand implements CommandHandler {
                 try {
                     climateId = Integer.parseInt(args.get(1));
                 } catch (NumberFormatException ignored) {
-                    CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Weather_invalid_id);
+                        CommandHandler.sendMessage(sender, translate("commands.weather.invalid_id"));
                 }
             case 1:
                 try {
                     weatherId = Integer.parseInt(args.get(0));
                 } catch (NumberFormatException ignored) {
-                    CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Weather_invalid_id);
+                    CommandHandler.sendMessage(sender, translate("commands.weather.invalid_id"));
                 }
                 break;
             default:
-                CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Weather_usage);
+                CommandHandler.sendMessage(sender, translate("commands.weather.usage"));
                 return;
         }
 
@@ -46,7 +48,6 @@ public final class WeatherCommand implements CommandHandler {
         targetPlayer.getScene().setWeather(weatherId);
         targetPlayer.getScene().setClimate(climate);
         targetPlayer.getScene().broadcastPacket(new PacketSceneAreaWeatherNotify(targetPlayer));
-        CommandHandler.sendMessage(sender, Grasscutter.getLanguage().Weather_message.replace("{weatherId}", Integer.toString(weatherId)).replace("{climateId}", Integer.toString(climateId)));
-
+        CommandHandler.sendMessage(sender, translate("commands.weather.success", Integer.toString(weatherId), Integer.toString(climateId)));
     }
 }

src/main/java/emu/grasscutter/server/dispatch/authentication/DefaultAuthenticationHandler.java

@@ -8,6 +8,8 @@ import emu.grasscutter.server.dispatch.json.LoginResultJson;
 import express.http.Request;
 import express.http.Response;
 
+import static emu.grasscutter.utils.Language.translate;
+
 public class DefaultAuthenticationHandler implements AuthenticationHandler {
 
     @Override
@@ -34,11 +36,9 @@ public class DefaultAuthenticationHandler implements AuthenticationHandler {
 
         // Check if account exists, else create a new one.
         if (account == null) {
-            // Account doesnt exist, so we can either auto create it if the config value is
-            // set
+            // Account doesn't exist, so we can either auto create it if the config value is set.
             if (Grasscutter.getConfig().getDispatchOptions().AutomaticallyCreateAccounts) {
-                // This account has been created AUTOMATICALLY. There will be no permissions
-                // added.
+                // This account has been created AUTOMATICALLY. There will be no permissions added.
                 account = DatabaseHelper.createAccountWithId(requestData.account, 0);
 
                 for (String permission : Grasscutter.getConfig().getDispatchOptions().defaultPermissions) {
@@ -51,19 +51,18 @@ public class DefaultAuthenticationHandler implements AuthenticationHandler {
                     responseData.data.account.token = account.generateSessionKey();
                     responseData.data.account.email = account.getEmail();
 
-                    Grasscutter.getLogger().info(Grasscutter.getLanguage().Client_failed_login_account_create.replace("{ip}", req.ip()).replace("{uid}", responseData.data.account.uid));
+                    Grasscutter.getLogger().info(translate("messages.dispatch.account.account_login_create_success", req.ip(), responseData.data.account.uid));
                 } else {
                     responseData.retcode = -201;
-                    responseData.message = Grasscutter.getLanguage().Username_not_found_create_failed;
+                    responseData.message = translate("messages.dispatch.account.username_create_error");
 
-                    Grasscutter.getLogger().info(Grasscutter.getLanguage().Client_failed_login_account_no_found.replace("{ip}", req.ip()));
+                    Grasscutter.getLogger().info(translate("messages.dispatch.account.account_login_create_error", req.ip()));
                 }
             } else {
                 responseData.retcode = -201;
-                responseData.message = Grasscutter.getLanguage().Username_not_found;
+                responseData.message = translate("messages.dispatch.account.username_error");
 
-                Grasscutter.getLogger().info(String
-                        .format(Grasscutter.getLanguage().Client_failed_login_account_no_found, req.ip()));
+                Grasscutter.getLogger().info(translate("messages.dispatch.account.account_login_exist_error", req.ip()));
             }
         } else {
             // Account was found, log the player in
@@ -72,7 +71,7 @@ public class DefaultAuthenticationHandler implements AuthenticationHandler {
             responseData.data.account.token = account.generateSessionKey();
             responseData.data.account.email = account.getEmail();
 
-            Grasscutter.getLogger().info(Grasscutter.getLanguage().Client_login.replace("{ip}", req.ip()).replace("{uid}", responseData.data.account.uid));
+            Grasscutter.getLogger().info(translate("messages.dispatch.account.login_success", req.ip(), responseData.data.account.uid));
         }
 
         return responseData;