Minor tweaks

worldedit-bukkit/src/main/java/com/boydti/fawe/bukkit/wrapper/AsyncWorld.java

@@ -75,8 +75,7 @@ import org.jetbrains.annotations.Nullable;
  *  @see #wrap(World)
  *  @see #create(WorldCreator)
  */
-public class AsyncWorld
+public class AsyncWorld extends PassthroughExtent implements World {
-    extends PassthroughExtent implements World {
 
     private World parent;
     private BukkitImplAdapter adapter;
@@ -1361,6 +1360,15 @@ public class AsyncWorld
     public <T> void spawnParticle(@NotNull Particle particle, @NotNull Location location, int count,
         double offsetX, double offsetY, double offsetZ, double extra, @Nullable T data,
         boolean force) {
+        parent.spawnParticle(particle, location, count, offsetX, offsetY, offsetZ, extra, data, force);
+    }
 
+    public void setHardcore(boolean hardcore) {
+        //todo
+    }
+
+    public boolean isHardcore() {
+        //todo
+        return false;
     }
 }

worldedit-bukkit/src/main/java/com/sk89q/bukkit/util/CommandRegistration.java

@@ -20,17 +20,18 @@
 package com.sk89q.bukkit.util;
 
 import com.sk89q.util.ReflectionUtil;
-import org.bukkit.Bukkit;
-import org.bukkit.command.CommandExecutor;
-import org.bukkit.command.CommandMap;
-import org.bukkit.command.SimpleCommandMap;
-import org.bukkit.plugin.Plugin;
-
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandMap;
+import org.bukkit.command.PluginIdentifiableCommand;
+import org.bukkit.command.SimpleCommandMap;
+import org.bukkit.plugin.Plugin;
 
 public class CommandRegistration {
 
@@ -40,6 +41,7 @@ public class CommandRegistration {
 
     protected final Plugin plugin;
     protected final CommandExecutor executor;
+    private CommandMap serverCommandMap;
     private CommandMap fallbackCommands;
 
     public CommandRegistration(Plugin plugin) {
@@ -51,6 +53,14 @@ public class CommandRegistration {
         this.executor = executor;
     }
 
+    public Plugin getCommandOwner(String label) {
+        if (serverCommandMap == null) return null;
+        Command command = serverCommandMap.getCommand(label);
+        if (command instanceof PluginIdentifiableCommand) {
+            return ((PluginIdentifiableCommand) command).getPlugin();
+        }
+        return null;
+    }
     public boolean register(List<CommandInfo> registered) {
         CommandMap commandMap = getCommandMap();
         if (registered == null || commandMap == null) {
@@ -66,16 +76,20 @@ public class CommandRegistration {
     }
 
     public CommandMap getCommandMap() {
+        if (serverCommandMap != null) {
+            return serverCommandMap;
+        }
+        if (fallbackCommands != null) {
+            return fallbackCommands;
+        }
         CommandMap commandMap = ReflectionUtil.getField(plugin.getServer().getPluginManager(), "commandMap");
         if (commandMap == null) {
-            if (fallbackCommands != null) {
-                commandMap = fallbackCommands;
-            } else {
                 Bukkit.getServer().getLogger().severe(plugin.getDescription().getName() +
                         ": Could not retrieve server CommandMap, using fallback instead!");
                 fallbackCommands = commandMap = new SimpleCommandMap(Bukkit.getServer());
                 Bukkit.getServer().getPluginManager().registerEvents(new FallbackRegistrationListener(fallbackCommands), plugin);
-            }
+        } else {
+            serverCommandMap = commandMap;
         }
         return commandMap;
     }

worldedit-core/src/main/java/com/boydti/fawe/beta/IBatchProcessor.java

@@ -69,10 +69,12 @@ public interface IBatchProcessor {
         try {
             int layer = (minY - 15) >> 4;
             while (layer < (maxY + 15) >> 4) {
-                if (set.hasSection(layer)) {
+                if (layer > -1) {
-                    return true;
+                    if (set.hasSection(layer)) {
+                        return true;
+                    }
+                    layer++;
                 }
-                layer++;
             }
         } catch (ArrayIndexOutOfBoundsException exception) {
             Fawe.imp().debug("minY = " + minY);