Handle OfflinePlayer causes.

src/main/java/com/sk89q/worldguard/bukkit/BukkitOfflinePlayer.java

@@ -0,0 +1,78 @@
+/*
+ * WorldGuard, a suite of tools for Minecraft
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldGuard team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldguard.bukkit;
+
+import com.sk89q.worldedit.Vector;
+import com.sk89q.worldguard.LocalPlayer;
+import org.bukkit.OfflinePlayer;
+
+import java.util.UUID;
+
+class BukkitOfflinePlayer extends LocalPlayer {
+
+    private final OfflinePlayer player;
+
+    BukkitOfflinePlayer(OfflinePlayer offlinePlayer) {
+        this.player = offlinePlayer;
+    }
+
+    @Override
+    public String getName() {
+        return player.getName();
+    }
+
+    @Override
+    public UUID getUniqueId() {
+        return player.getUniqueId();
+    }
+
+    @Override
+    public boolean hasGroup(String group) {
+        return false;
+    }
+
+    @Override
+    public Vector getPosition() {
+        return Vector.ZERO;
+    }
+
+    @Override
+    public void kick(String msg) {
+    }
+
+    @Override
+    public void ban(String msg) {
+    }
+
+    @Override
+    public void printRaw(String msg) {
+    }
+
+    @Override
+    public String[] getGroups() {
+        return new String[0];
+    }
+
+    @Override
+    public boolean hasPermission(String perm) {
+        return false;
+    }
+
+}

src/main/java/com/sk89q/worldguard/bukkit/WorldGuardPlugin.java

@@ -73,6 +73,7 @@
 import com.sk89q.worldguard.util.task.Task;
 import org.bukkit.ChatColor;
 import org.bukkit.Location;
+import org.bukkit.OfflinePlayer;
 import org.bukkit.World;
 import org.bukkit.World.Environment;
 import org.bukkit.block.Block;
@@ -851,6 +852,18 @@ public LocalPlayer wrapPlayer(Player player) {
         return new BukkitPlayer(this, player);
     }
 
+    /**
+     * Wrap a player as a LocalPlayer.
+     *
+     * <p>This implementation is incomplete -- permissions cannot be checked.</p>
+     *
+     * @param player The player to wrap
+     * @return The wrapped player
+     */
+    public LocalPlayer wrapOfflinePlayer(OfflinePlayer player) {
+        return new BukkitOfflinePlayer(player);
+    }
+
     /**
      * Configure WorldGuard's loggers.
      */

src/main/java/com/sk89q/worldguard/bukkit/listener/RegionProtectionListener.java

@@ -43,6 +43,7 @@
 import com.sk89q.worldguard.protection.flags.StateFlag.State;
 import org.bukkit.Location;
 import org.bukkit.Material;
+import org.bukkit.OfflinePlayer;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.EntityType;
@@ -108,6 +109,8 @@ private RegionAssociable createRegionAssociable(Cause cause) {
 
         if (rootCause instanceof Player) {
             return getPlugin().wrapPlayer((Player) rootCause);
+        } else if (rootCause instanceof OfflinePlayer) {
+            return getPlugin().wrapOfflinePlayer((OfflinePlayer) rootCause);
         } else if (rootCause instanceof Entity) {
             RegionQuery query = getPlugin().getRegionContainer().createQuery();
             return new DelayedRegionOverlapAssociation(query, ((Entity) rootCause).getLocation());