From 11c7b6a8d1fa0e6a6a6ce1477ba8d4c66eb20229 Mon Sep 17 00:00:00 2001
From: Daniel V <daniel.viddy@gmail.com>
Date: Wed, 31 Jul 2024 20:41:58 -0400
Subject: [PATCH] 2.0.12

---
 pom.xml                                       |  18 ++-
 .../lokka30/phantomworlds/PhantomWorlds.java  |   9 +-
 .../phantomworlds/commands/PWCommand.java     |   8 ++
 .../handler/PWInvalidUsageHandler.java        |  14 +++
 .../commands/params/AliasWorldParameter.java  |   8 +-
 .../params/PotionEffectParameter.java         |   4 +
 .../commands/params/SettingParameter.java     |   3 +
 .../commands/params/WorldFolderParameter.java |   2 +-
 .../commands/sub/CopyCommand.java             | 106 ++++++++++++++++++
 .../phantomworlds/managers/FileManager.java   |   2 +-
 .../phantomworlds/managers/WorldManager.java  |  31 +++++
 .../me/lokka30/phantomworlds/misc/Utils.java  |  37 ++++++
 .../phantomworlds/misc/WorldCopyResponse.java |  52 +++++++++
 src/main/resources/messages.yml               |  18 ++-
 src/main/resources/plugin.yml                 |   2 +-
 15 files changed, 307 insertions(+), 7 deletions(-)
 create mode 100644 src/main/java/me/lokka30/phantomworlds/commands/sub/CopyCommand.java
 create mode 100644 src/main/java/me/lokka30/phantomworlds/misc/WorldCopyResponse.java

diff --git a/pom.xml b/pom.xml
index cb2db52..bade2c8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>me.lokka30</groupId>
     <artifactId>PhantomWorlds</artifactId>
-    <version>2.0.11</version>
+    <version>2.0.12</version>
 
     <name>PhantomWorlds</name>
     <description>The Robust World Manager for Minecraft Servers</description>
@@ -38,6 +38,10 @@
             <id>placeholderapi</id>
             <url>https://repo.extendedclip.com/content/repositories/placeholderapi/</url>
         </repository>
+        <repository>
+            <id>devmart-other</id>
+            <url>https://nexuslite.gcnt.net/repos/other/</url>
+        </repository>
     </repositories>
 
     <dependencies>
@@ -53,6 +57,12 @@
             <version>2.11.3</version>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>com.tcoded</groupId>
+            <artifactId>FoliaLib</artifactId>
+            <version>0.3.4</version>
+            <scope>compile</scope>
+        </dependency>
         <!-- <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
@@ -143,6 +153,10 @@
                             <pattern>dev.dejvokep.boostedyaml</pattern>
                             <shadedPattern>${phantom.relocation}.yaml</shadedPattern>
                         </relocation>
+                        <relocation>
+                            <pattern>com.tcoded.folialib</pattern>
+                            <shadedPattern>${phantom.relocation}.folia</shadedPattern>
+                        </relocation>
                     </relocations>
                     <minimizeJar>true</minimizeJar>
                 </configuration>
@@ -163,6 +177,8 @@
                                     <include>dev.rollczi:*</include>
                                     <include>panda.std:*</include>
                                     <include>org.panda-lang:*</include>
+                                    <include>com.tcoded:*</include>
+                                    <include>com.tcoded.folialib:*</include>
                                 </includes>
                             </artifactSet>
                         </configuration>
diff --git a/src/main/java/me/lokka30/phantomworlds/PhantomWorlds.java b/src/main/java/me/lokka30/phantomworlds/PhantomWorlds.java
index eef2f69..ed742ba 100644
--- a/src/main/java/me/lokka30/phantomworlds/PhantomWorlds.java
+++ b/src/main/java/me/lokka30/phantomworlds/PhantomWorlds.java
@@ -1,5 +1,6 @@
 package me.lokka30.phantomworlds;
 
+import com.tcoded.folialib.FoliaLib;
 import dev.rollczi.litecommands.LiteCommands;
 import dev.rollczi.litecommands.argument.ArgumentKey;
 import dev.rollczi.litecommands.bukkit.LiteBukkitFactory;
@@ -10,6 +11,7 @@
 import me.lokka30.phantomworlds.comatibility.impl.OneSeventeenCompatibility;
 import me.lokka30.phantomworlds.comatibility.impl.OneTwentyCompatibility;
 import me.lokka30.phantomworlds.commands.PWCommand;
+import me.lokka30.phantomworlds.commands.handler.PWInvalidUsageHandler;
 import me.lokka30.phantomworlds.commands.params.AliasWorldParameter;
 import me.lokka30.phantomworlds.commands.params.GamemodeParameter;
 import me.lokka30.phantomworlds.commands.params.PortalParameter;
@@ -73,6 +75,7 @@ public class PhantomWorlds extends JavaPlugin {
   private static VersionCompatibility compatibility;
 
   protected LiteCommands<?> command;
+  protected FoliaLib folia;
 
   private BukkitTask backupService = null;
 
@@ -137,7 +140,6 @@ public void onEnable() {
     } else {
       getServer().getPluginManager().registerEvents(new PluginEnableListener(), this);
     }
-
     createTabs.addAll(generateCreateSuggestions());
 
     QuickTimer timer = new QuickTimer(TimeUnit.MILLISECONDS);
@@ -255,6 +257,7 @@ void registerCommands() {
             .settings(settings -> settings
                     .nativePermissions(false)
             )
+            .invalidUsage(new PWInvalidUsageHandler())
             .argument(GameMode.class, new GamemodeParameter())
             .argument(PortalType.class, new PortalParameter())
             .argument(String.class, ArgumentKey.of("world-setting"), new SettingParameter())
@@ -386,4 +389,8 @@ private ArrayList<String> addTrueFalseValues(String option) {
 
     return list;
   }
+
+  public FoliaLib folia() {
+    return folia;
+  }
 }
\ No newline at end of file
diff --git a/src/main/java/me/lokka30/phantomworlds/commands/PWCommand.java b/src/main/java/me/lokka30/phantomworlds/commands/PWCommand.java
index 401eda3..0c9c2c6 100644
--- a/src/main/java/me/lokka30/phantomworlds/commands/PWCommand.java
+++ b/src/main/java/me/lokka30/phantomworlds/commands/PWCommand.java
@@ -26,6 +26,7 @@
 import dev.rollczi.litecommands.annotations.permission.Permission;
 import me.lokka30.phantomworlds.commands.sub.BackupCommand;
 import me.lokka30.phantomworlds.commands.sub.CompatibilityCommand;
+import me.lokka30.phantomworlds.commands.sub.CopyCommand;
 import me.lokka30.phantomworlds.commands.sub.CreateCommand;
 import me.lokka30.phantomworlds.commands.sub.DebugCommand;
 import me.lokka30.phantomworlds.commands.sub.DeleteCommand;
@@ -75,6 +76,13 @@ public void create(@Context CommandSender commandSender, @Arg("world name") fina
     CreateCommand.onCommand(commandSender, name, environment, settings);
   }
 
+  @Execute(name = "copy")
+  @Permission("phantomworlds.command.phantomworlds.copy")
+  @Description("command.phantomworlds.help.copy")
+  public void copy(@Context CommandSender commandSender, @Arg("world name") final String newWorld, @OptionalArg("world folder") final WorldFolder world) {
+    CopyCommand.onCommand(commandSender, newWorld, world);
+  }
+
   @Execute(name = "compatibility")
   @Permission("phantomworlds.command.phantomworlds.compatibility")
   @Description("command.phantomworlds.help.compatibility")
diff --git a/src/main/java/me/lokka30/phantomworlds/commands/handler/PWInvalidUsageHandler.java b/src/main/java/me/lokka30/phantomworlds/commands/handler/PWInvalidUsageHandler.java
index 3e73285..cf542fa 100644
--- a/src/main/java/me/lokka30/phantomworlds/commands/handler/PWInvalidUsageHandler.java
+++ b/src/main/java/me/lokka30/phantomworlds/commands/handler/PWInvalidUsageHandler.java
@@ -22,6 +22,7 @@
 import dev.rollczi.litecommands.invalidusage.InvalidUsageHandler;
 import dev.rollczi.litecommands.invocation.Invocation;
 import dev.rollczi.litecommands.schematic.Schematic;
+import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 
 /**
@@ -37,5 +38,18 @@ public void handle(Invocation<CommandSender> invocation, InvalidUsage<CommandSen
     final CommandSender sender = invocation.sender();
     final Schematic schematic = result.getSchematic();
 
+    if (schematic.isOnlyFirst()) {
+      sender.sendMessage(color("&cInvalid usage of command! &7(" + schematic.first() + ")"));
+      return;
+    }
+
+    sender.sendMessage(color("&cInvalid usage of command!"));
+    for (String scheme : schematic.all()) {
+      sender.sendMessage(color("&8 - &7" + scheme));
+    }
+  }
+
+  private String color(final String message) {
+    return ChatColor.translateAlternateColorCodes('&', message);
   }
 }
diff --git a/src/main/java/me/lokka30/phantomworlds/commands/params/AliasWorldParameter.java b/src/main/java/me/lokka30/phantomworlds/commands/params/AliasWorldParameter.java
index 657bbb7..79e5c60 100644
--- a/src/main/java/me/lokka30/phantomworlds/commands/params/AliasWorldParameter.java
+++ b/src/main/java/me/lokka30/phantomworlds/commands/params/AliasWorldParameter.java
@@ -40,7 +40,13 @@
 public class AliasWorldParameter extends ArgumentResolver<CommandSender, World> {
   @Override
   protected ParseResult<World> parse(Invocation<CommandSender> invocation, Argument<World> context, String argument) {
-    return ParseResult.success(PhantomWorlds.worldManager().findWorld(argument));
+
+    final World world = PhantomWorlds.worldManager().findWorld(argument);
+    if(world == null) {
+      return ParseResult.failure("Invalid world name");
+    }
+
+    return ParseResult.success(world);
   }
 
   @Override
diff --git a/src/main/java/me/lokka30/phantomworlds/commands/params/PotionEffectParameter.java b/src/main/java/me/lokka30/phantomworlds/commands/params/PotionEffectParameter.java
index 9757230..6e00cf7 100644
--- a/src/main/java/me/lokka30/phantomworlds/commands/params/PotionEffectParameter.java
+++ b/src/main/java/me/lokka30/phantomworlds/commands/params/PotionEffectParameter.java
@@ -47,6 +47,10 @@ public class PotionEffectParameter extends ArgumentResolver<CommandSender, Strin
 
   @Override
   protected ParseResult<String> parse(Invocation<CommandSender> invocation, Argument<String> context, String argument) {
+    if(argument.isEmpty()) {
+      return ParseResult.failure("Invalid effect argument.");
+    }
+
     return ParseResult.success(argument);
   }
 
diff --git a/src/main/java/me/lokka30/phantomworlds/commands/params/SettingParameter.java b/src/main/java/me/lokka30/phantomworlds/commands/params/SettingParameter.java
index a1b9923..27f93c6 100644
--- a/src/main/java/me/lokka30/phantomworlds/commands/params/SettingParameter.java
+++ b/src/main/java/me/lokka30/phantomworlds/commands/params/SettingParameter.java
@@ -35,6 +35,9 @@
 public class SettingParameter extends ArgumentResolver<CommandSender, String> {
   @Override
   protected ParseResult<String> parse(Invocation<CommandSender> invocation, Argument<String> context, String argument) {
+    if(argument.isEmpty()) {
+      return ParseResult.failure("Invalid effect argument.");
+    }
     return ParseResult.success(argument);
   }
 
diff --git a/src/main/java/me/lokka30/phantomworlds/commands/params/WorldFolderParameter.java b/src/main/java/me/lokka30/phantomworlds/commands/params/WorldFolderParameter.java
index db36120..fd33267 100644
--- a/src/main/java/me/lokka30/phantomworlds/commands/params/WorldFolderParameter.java
+++ b/src/main/java/me/lokka30/phantomworlds/commands/params/WorldFolderParameter.java
@@ -55,7 +55,7 @@ public SuggestionResult suggest(Invocation<CommandSender> invocation, Argument<W
     final File directory = Bukkit.getWorldContainer();
 
     if(directory.exists()) {
-      for(File file : directory.listFiles()) {
+      for(final File file : directory.listFiles()) {
         final File levelDat = new File(file, "level.dat");
         if(file.isDirectory() && levelDat.exists()) {
           folders.add(file.getName());
diff --git a/src/main/java/me/lokka30/phantomworlds/commands/sub/CopyCommand.java b/src/main/java/me/lokka30/phantomworlds/commands/sub/CopyCommand.java
new file mode 100644
index 0000000..5034f74
--- /dev/null
+++ b/src/main/java/me/lokka30/phantomworlds/commands/sub/CopyCommand.java
@@ -0,0 +1,106 @@
+package me.lokka30.phantomworlds.commands.sub;
+/*
+ * Phantom Worlds
+ * Copyright (C) 2023 - 2024 Daniel "creatorfromhell" Vidmar
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import me.lokka30.microlib.messaging.MultiMessage;
+import me.lokka30.phantomworlds.PhantomWorlds;
+import me.lokka30.phantomworlds.commands.utils.WorldFolder;
+import me.lokka30.phantomworlds.misc.WorldCopyResponse;
+import org.bukkit.Bukkit;
+import org.bukkit.command.CommandSender;
+
+import java.util.Arrays;
+
+import static me.lokka30.phantomworlds.misc.WorldCopyResponse.INVALID;
+import static me.lokka30.phantomworlds.misc.WorldCopyResponse.COPIED;
+
+/**
+ * LoadCommand
+ *
+ * @author creatorfromhell
+ * @since 2.0.5.0
+ */
+public class CopyCommand {
+
+  public static void onCommand(final CommandSender sender, final String newWorld, final WorldFolder world) {
+
+    if(world == null || world.getFolder() == null || newWorld.isEmpty()) {
+      (new MultiMessage(
+              PhantomWorlds.instance().messages.getConfig()
+                      .getStringList("command.phantomworlds.usages.copy"), Arrays.asList(
+              new MultiMessage.Placeholder("prefix",
+                      PhantomWorlds.instance().messages.getConfig().getString("common.prefix", "&b&lPhantomWorlds: &7"),
+                      true),
+              new MultiMessage.Placeholder("label", "pw", false)
+      ))).send(sender);
+      return;
+    }
+
+    if(Bukkit.getWorld(newWorld) != null) {
+      (new MultiMessage(
+              PhantomWorlds.instance().messages.getConfig()
+                      .getStringList("command.phantomworlds.subcommands.create.already-loaded"),
+              Arrays.asList(
+                      new MultiMessage.Placeholder("prefix", PhantomWorlds.instance().messages.getConfig()
+                              .getString("common.prefix", "&b&lPhantomWorlds: &7"), true),
+                      new MultiMessage.Placeholder("world", newWorld, false),
+                      new MultiMessage.Placeholder("label", "pw", false)
+              ))).send(sender);
+      return;
+    }
+
+    final WorldCopyResponse response = PhantomWorlds.worldManager().copyWorld(world.getFolder(), newWorld);
+
+    if(response == INVALID) {
+      (new MultiMessage(
+              PhantomWorlds.instance().messages.getConfig()
+                      .getStringList("command.phantomworlds.subcommands.copy.failure-copying"),
+              Arrays.asList(
+                      new MultiMessage.Placeholder("prefix", PhantomWorlds.instance().messages.getConfig()
+                              .getString("common.prefix", "&b&lPhantomWorlds: &7"), true),
+                      new MultiMessage.Placeholder("world", world.getFolder(), false),
+                      new MultiMessage.Placeholder("label", "pw", false)
+              ))).send(sender);
+      return;
+    }
+
+    if(response != COPIED) {
+
+      (new MultiMessage(
+              PhantomWorlds.instance().messages.getConfig()
+                      .getStringList("command.phantomworlds.subcommands.copy.failure-loading"),
+              Arrays.asList(
+                      new MultiMessage.Placeholder("prefix", PhantomWorlds.instance().messages.getConfig()
+                              .getString("common.prefix", "&b&lPhantomWorlds: &7"), true),
+                      new MultiMessage.Placeholder("world", world.getFolder(), false),
+                      new MultiMessage.Placeholder("label", "pw", false)
+              ))).send(sender);
+      return;
+    }
+
+    (new MultiMessage(
+            PhantomWorlds.instance().messages.getConfig().getStringList(
+                    "command.phantomworlds.subcommands.copy.success"),
+            Arrays.asList(
+                    new MultiMessage.Placeholder("prefix", PhantomWorlds.instance().messages.getConfig()
+                            .getString("common.prefix", "&b&lPhantomWorlds: &7"), true),
+                    new MultiMessage.Placeholder("world", world.getFolder(), false),
+                    new MultiMessage.Placeholder("new_world", newWorld, false)
+            ))).send(sender);
+  }
+}
\ No newline at end of file
diff --git a/src/main/java/me/lokka30/phantomworlds/managers/FileManager.java b/src/main/java/me/lokka30/phantomworlds/managers/FileManager.java
index 9aec6fc..f9237e1 100644
--- a/src/main/java/me/lokka30/phantomworlds/managers/FileManager.java
+++ b/src/main/java/me/lokka30/phantomworlds/managers/FileManager.java
@@ -161,7 +161,7 @@ void alertIncorrectVersion(final PWFile pwFile) {
   public enum PWFile {
     SETTINGS(3),
     ADVANCED_SETTINGS(1),
-    MESSAGES(10),
+    MESSAGES(11),
     DATA(2);
 
     public final int latestFileVersion; // If == -1: 'do not migrate me!'
diff --git a/src/main/java/me/lokka30/phantomworlds/managers/WorldManager.java b/src/main/java/me/lokka30/phantomworlds/managers/WorldManager.java
index 8487483..07b50c9 100644
--- a/src/main/java/me/lokka30/phantomworlds/managers/WorldManager.java
+++ b/src/main/java/me/lokka30/phantomworlds/managers/WorldManager.java
@@ -3,6 +3,7 @@
 import me.lokka30.microlib.messaging.MultiMessage;
 import me.lokka30.phantomworlds.PhantomWorlds;
 import me.lokka30.phantomworlds.misc.Utils;
+import me.lokka30.phantomworlds.misc.WorldCopyResponse;
 import me.lokka30.phantomworlds.misc.WorldLoadResponse;
 import me.lokka30.phantomworlds.world.PhantomWorld;
 import org.bukkit.Bukkit;
@@ -14,6 +15,7 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Path;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.Locale;
@@ -117,6 +119,35 @@ public WorldLoadResponse loadWorld(final String worldName) {
     return WorldLoadResponse.LOADED;
   }
 
+  public WorldCopyResponse copyWorld(final String worldName, final String newWorldName) {
+    final World world = Bukkit.getWorld(worldName);
+    if(world == null) {
+      return WorldCopyResponse.INVALID;
+    }
+
+    final File worldFolder = new File(Bukkit.getWorldContainer(), worldName);
+    final File newWorldFolder = new File(Bukkit.getWorldContainer(), newWorldName);
+
+    try {
+
+      if(!Utils.copyFolder(worldFolder.toPath(), newWorldFolder.toPath())) {
+        return WorldCopyResponse.INVALID;
+      }
+      final PhantomWorld pworld = new PhantomWorld(
+              newWorldName, world.getEnvironment(), world.canGenerateStructures(), null,
+              null, PhantomWorlds.compatibility().hardcore(world), world.getSeed(), world.getWorldType(), world.getAllowMonsters(),
+              world.getAllowAnimals(), world.getKeepSpawnInMemory(), world.getPVP(), world.getDifficulty(), GameMode.SURVIVAL
+      );
+      pworld.save();
+      loadWorld(newWorldName);
+
+    } catch(Exception ignore) {
+      return WorldCopyResponse.INVALID;
+    }
+
+    return WorldCopyResponse.COPIED;
+  }
+
   /**
    * This creates a PhantomWorld object by scanning the data file by the specified name. Developers
    * are expected to make sure the specified world exists prior to retrieving it.
diff --git a/src/main/java/me/lokka30/phantomworlds/misc/Utils.java b/src/main/java/me/lokka30/phantomworlds/misc/Utils.java
index d4f38b8..b3befb1 100644
--- a/src/main/java/me/lokka30/phantomworlds/misc/Utils.java
+++ b/src/main/java/me/lokka30/phantomworlds/misc/Utils.java
@@ -17,7 +17,10 @@
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.file.FileSystemException;
 import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
@@ -25,6 +28,7 @@
 import java.util.Locale;
 import java.util.Optional;
 import java.util.Properties;
+import java.util.stream.Stream;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipOutputStream;
 
@@ -59,6 +63,39 @@ public static HashSet<String> getLoadedWorldsNameList() {
     return loadedWorlds;
   }
 
+  public static boolean copyFolder(final Path source, final Path target) throws IOException {
+    if(!Files.exists(source) || !Files.isDirectory(source)) {
+      return false;
+    }
+
+    // Create the target directory if it doesn't exist
+    if(!Files.exists(target)) {
+      Files.createDirectories(target);
+    }
+
+    // Walk the file tree from the source directory and copy each file/folder
+    try(Stream<Path> pathStream = Files.walk(source)) {
+
+      pathStream.forEach(sourcePath -> {
+        final Path targetPath = target.resolve(source.relativize(sourcePath));
+        try {
+
+          if(!targetPath.toString().toLowerCase(Locale.ROOT).contains("uid.dat")
+                  && !targetPath.toString().toLowerCase(Locale.ROOT).contains("session.lock")) {
+
+            Files.copy(sourcePath, targetPath, StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.COPY_ATTRIBUTES);
+          }
+        } catch(FileSystemException ignore) {
+          //session.lock is lame
+        } catch (IOException e) {
+
+          throw new RuntimeException("Failed to copy file: " + sourcePath, e);
+        }
+      });
+    }
+    return true;
+  }
+
   /**
    * Attempts to register specified command. Sends status to console as logs.
    *
diff --git a/src/main/java/me/lokka30/phantomworlds/misc/WorldCopyResponse.java b/src/main/java/me/lokka30/phantomworlds/misc/WorldCopyResponse.java
new file mode 100644
index 0000000..7bf6f91
--- /dev/null
+++ b/src/main/java/me/lokka30/phantomworlds/misc/WorldCopyResponse.java
@@ -0,0 +1,52 @@
+package me.lokka30.phantomworlds.misc;
+/*
+ * Phantom Worlds
+ * Copyright (C) 2023 - 2024 Daniel "creatorfromhell" Vidmar
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * WorldCopyResponse
+ *
+ * @author creatorfromhell
+ * @since 2.0.12.0
+ */
+public enum WorldCopyResponse {
+
+  /**
+   * Success: World copied and loaded
+   */
+  COPIED,
+
+  /**
+   * Failure: Original world not found.
+   */
+  NOT_FOUND,
+
+  /**
+   * Failure: Copied, but not loaded
+   */
+  NOT_LOADED,
+
+  /**
+   * Failure: Already exists.
+   */
+  ALREADY_EXISTS,
+
+  /**
+   * Failure: Invalid directory.
+   */
+  INVALID
+}
\ No newline at end of file
diff --git a/src/main/resources/messages.yml b/src/main/resources/messages.yml
index 6368f59..4c647c0 100644
--- a/src/main/resources/messages.yml
+++ b/src/main/resources/messages.yml
@@ -25,6 +25,7 @@ command:
     usage:
       - '%prefix% Available commands:'
       - '&8 &m->&b /%label% create &8- &7create a world'
+      - '&8 &m->&b /%label% copy <new world> <world> &8- &7copy a world'
       - '&8 &m->&b /%label% import &8- &7import a world'
       - '&8 &m->&b /%label% list &8- &7list loaded worlds'
       - '&8 &m->&b /%label% teleport &8- &7teleport to a loaded world''s spawnpoint'
@@ -47,6 +48,7 @@ command:
 
     help:
       create: '&b/pw create <world> <environment> [options...] &8- &7create a world'
+      copy: '&b/pw copy <new world> <world> &8- &7copy a world'
       import: '&b/pw import <world> &8- &7import a world'
       list: '&b/pw list &8- &7list worlds'
       tp: '&b/pw teleport <world> [player] &8- &7teleport to a loaded world''s spawnpoint'
@@ -154,6 +156,20 @@ command:
         usage:
           - '%prefix% Invalid usage, try ''&b/%label% create <world> <environment> [options...]&7''.'
 
+      copy:
+
+        success:
+          - '%prefix%: &7Successfully copied the world %world% to the world %new_world%'
+
+        usage:
+          - '%prefix% Invalid usage, try ''&b/%label% copy <new world> <world>&7''.'
+
+        failure-loading:
+          - '%prefix% Issue while loading the new world ''&b%world%&7''.'
+
+        failure-copying:
+          - '%prefix% Issue while copying the new world ''&b%world%&7''.'
+
       debug:
 
         usage:
@@ -362,5 +378,5 @@ command:
 
 # Do not touch anything here unless you know what you are doing.
 advanced:
-  file-version: 10
+  file-version: 11
   generated-with: '${project.version}'
\ No newline at end of file
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index 1cb60db..5e33674 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -5,7 +5,7 @@
 # /     /    | `.__/| /    |  \__/  `._.' /   '   / |,'  \,'    `._.' /     /\__ `___,' \___.'
 
 name: 'PhantomWorlds'
-version: '2.0.11'
+version: '2.0.12'
 description: 'The Robust World Manager for Minecraft Servers'
 authors: [ 'creatorfromhell', 'lokka30' ]
 website: 'https://github.com/lokka30/PhantomWorlds'