Proof of concept implementation

Implemented based on what https://forum.totalfreedom.me/d/2882-town-hall-thingy-results says.

src/main/java/me/totalfreedom/totalfreedommod/command/Command_floatlands.java

@@ -0,0 +1,19 @@
+package me.totalfreedom.totalfreedommod.command;
+
+import me.totalfreedom.totalfreedommod.rank.Rank;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+@CommandPermissions(level = Rank.NON_OP, source = SourceType.ONLY_IN_GAME)
+@CommandParameters(description = "Go to the Floatlands (not to be confused with the Flatlands).", usage = "/<command>", aliases = "void")
+public class Command_floatlands extends FreedomCommand
+{
+    @Override
+    public boolean run(CommandSender sender, Player playerSender, Command cmd, String commandLabel, String[] args, boolean senderIsConsole)
+    {
+        plugin.wm.floatlands.sendToWorld(playerSender);
+
+        return true;
+    }
+}

src/main/java/me/totalfreedom/totalfreedommod/world/CleanroomChunkGenerator.java

@@ -40,6 +40,11 @@ public class CleanroomChunkGenerator extends ChunkGenerator
     }
 
     public CleanroomChunkGenerator(String id)
+    {
+        this(id, true);
+    }
+
+    public CleanroomChunkGenerator(String id, boolean generateBedrock)
     {
         if (id != null)
         {
@@ -48,7 +53,11 @@ public class CleanroomChunkGenerator extends ChunkGenerator
                 int y = 0;
 
                 materials = new Material[128]; // Default to 128, will be resized later if required
-                materials[y++] = Material.BEDROCK;
+
+                if (generateBedrock)
+                {
+                    materials[y++] = Material.BEDROCK;
+                }
 
                 if (id.length() > 0)
                 {
@@ -115,14 +124,24 @@ public class CleanroomChunkGenerator extends ChunkGenerator
                 e.printStackTrace();
 
                 materials = new Material[65];
-                materials[0] = Material.BEDROCK;
+
+                if (generateBedrock)
+                {
+                    materials[0] = Material.BEDROCK;
+                }
+
                 Arrays.fill(materials, 1, 65, Material.STONE);
             }
         }
         else
         {
             materials = new Material[65];
-            materials[0] = Material.BEDROCK;
+
+            if (generateBedrock)
+            {
+                materials[0] = Material.BEDROCK;
+            }
+
             Arrays.fill(materials, 1, 65, Material.STONE);
         }
     }

src/main/java/me/totalfreedom/totalfreedommod/world/Floatlands.java

@@ -0,0 +1,33 @@
+package me.totalfreedom.totalfreedommod.world;
+
+import org.bukkit.*;
+
+public class Floatlands extends CustomWorld
+{
+
+    public Floatlands()
+    {
+        super("floatlands");
+    }
+
+    @Override
+    protected World generateWorld()
+    {
+        final WorldCreator worldCreator = new WorldCreator(getName());
+        worldCreator.generateStructures(false);
+        worldCreator.type(WorldType.NORMAL);
+        worldCreator.environment(World.Environment.NORMAL);
+        worldCreator.generator(new CleanroomChunkGenerator("", false));
+
+        final World world = Bukkit.getServer().createWorld(worldCreator);
+
+        assert world != null;
+        world.setSpawnFlags(false, false);
+        world.setSpawnLocation(0, 50, 0);
+
+        plugin.gr.commitGameRules();
+
+        return world;
+    }
+
+}

src/main/java/me/totalfreedom/totalfreedommod/world/WorldManager.java

@@ -20,12 +20,14 @@ public class WorldManager extends FreedomService
     public Flatlands flatlands;
     public AdminWorld adminworld;
     public MasterBuilderWorld masterBuilderWorld;
+    public Floatlands floatlands;
 
     public WorldManager()
     {
         this.flatlands = new Flatlands();
         this.adminworld = new AdminWorld();
         this.masterBuilderWorld = new MasterBuilderWorld();
+        this.floatlands = new Floatlands();
     }
 
     @Override
@@ -34,6 +36,7 @@ public class WorldManager extends FreedomService
         flatlands.getWorld();
         adminworld.getWorld();
         masterBuilderWorld.getWorld();
+        floatlands.getWorld();
 
         // Disable weather
         if (ConfigEntry.DISABLE_WEATHER.getBoolean())