Updated for 3.1.

CHANGELOG.txt

@@ -1,3 +1,28 @@
+3.1:
+- Added ability to disable chest protection. New configuration setting
+    (regions.build.chest-access) and new chest flag.
+- Possibly fixed projectile blocking in no-PvP zones.
+- Added /regionmembership permission that lets people only change
+    the owners and members of regions they own.
+
+3.0b2:
+- Fixed issue where built-in permissions were not (re)loaded.
+- Fixed /god not working for others.
+
+3.0b1:
+- Added parent-child relationships to regions.
+- Added global build flag.
+- Improved flag support.
+- Fixed no-PvP zone messages being sent to the wrong person.
+- Fixed commands so that they work in a recent version of Bukkit.
+- Fixed NullPointerException in explode hook.
+
+2.3.1:
+- Fixed various cast exceptions with the blacklist loggers.
+- Added checks for unchecked exceptions when resolving permissions.
+- Fixed the item durability disable setting changing the damage value on
+    an empty hand.
+
 2.3:
 - /god now works very well.
 - Item (TNT, flint and steel, etc.) blocking should now work.

build.xml

@@ -7,6 +7,11 @@
   <property name="dist.dir" location="dist"/>
   <property name="release.dir" location="release"/>
   <property name="lib.dir" location="lib"/>
+  <property name="docs.dir" location="docs"/>
+
+  <fileset id="libs" dir="${lib.dir}">
+    <include name="*.jar"/>
+  </fileset>
 
   <target name="init">
     <mkdir dir="${build.dir}"/>
@@ -16,9 +21,7 @@
   <target name="compile" depends="init">
     <javac srcdir="${src.dir}" deprecation="true" includeantruntime="true" destdir="${build.dir}" debug="true">
       <classpath>
-        <fileset dir="${lib.dir}">
-          <include name="*.jar"/>
-        </fileset>
+        <fileset refid="libs"/>
       </classpath>
     </javac>
   </target>
@@ -66,11 +69,21 @@
     <zip destfile="${release.dir}/worldguard-${version}-src.zip" basedir="${release.dir}" excludes="*.zip plugin.yml"/>
   </target>
 
+  <!-- Javadoc -->
+  <target name="javadoc">
+    <javadoc access="public" author="true" destdir="${docs.dir}" doctitle="WorldGuard API" nodeprecated="false" nodeprecatedlist="false" noindex="false" nonavbar="false" notree="false" source="1.6" sourcepath="src" splitindex="true" use="true" version="true">
+      <classpath>
+        <fileset refid="libs"/>
+      </classpath>
+    </javadoc>
+  </target>
+  
   <!-- Clean the output -->
   <target name="clean">
     <delete dir="${build.dir}"/>
     <delete dir="${dist.dir}"/>
     <delete dir="${release.dir}"/>
+    <delete dir="${docs.dir}"/>
   </target>
   
   <!--<target name="-get-version-git" if="git-revision">

config.yml

@@ -70,6 +70,9 @@ player-damage:
 regions:
     enable: on
     wand: 287
+    default:
+        build: true
+        chest-access: false
 
 blacklist:
     logging:

javadoc.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<project default="javadoc">
+    <target name="javadoc">
+        <javadoc access="public" author="true" classpath="P:\Projects\Minecraft\Libraries\GroupUsers.jar;P:\Projects\Minecraft\Libraries\jnbt.jar;P:\Projects\Minecraft\hMod\build\classes;P:\Projects\Minecraft\WorldEdit\build\classes;P:\Projects\Minecraft\Libraries\snakeyaml.jar;P:\Projects\Minecraft\Libraries\jopt-simple-3.2.jar;P:\Projects\Minecraft\Libraries\Permissions.jar;C:\Program Files\eclipse\plugins\org.hamcrest.core_1.1.0.v20090501071000.jar;P:\Projects\Minecraft\Libraries\json_simple-1.1.jar;P:\Projects\Minecraft\CraftBukkit\bin;P:\Projects\Minecraft\Libraries\truezip.jar;C:\Program Files\eclipse\plugins\org.junit_4.8.1.v4_8_1_v20100427-1100\junit.jar;P:\Projects\Minecraft\Bukkit\bin;P:\Projects\Minecraft\mc-dev" destdir="doc" doctitle="Worldguard API" nodeprecated="false" nodeprecatedlist="false" noindex="false" nonavbar="false" notree="false" packagenames="com.sk89q.worldguard.blacklist,com.sk89q.worldguard.domains,com.sk89q.worldguard.bukkit,com.sk89q.worldguard.protection,com.sk89q.worldguard.util,au.com.bytecode.opencsv,com.sk89q.worldguard,com.sk89q.worldguard.blacklist.loggers,com.sk89q.worldguard.blacklist.events" source="1.6" sourcepath="tests;src" splitindex="true" use="true" version="true"/>
+    </target>
+</project>

plugin.yml

@@ -23,7 +23,7 @@ commands:
         aliases: ;
     region:
         description: Adjust protected regions
-        usage: /<command> <define|claim|flag|delete|info|addowner|removeowner|list|save|load> ...
+        usage: /<command> <define|claim|setparent|flag|delete|info|addowner|removeowner|addmember|removemember|list|save|load> ...
         aliases: rg, regions
     locate:
         description: Set your compass towards a person

src/com/sk89q/worldguard/LocalPlayer.java

@@ -19,7 +19,6 @@
 
 package com.sk89q.worldguard;
 
-import java.util.List;
 import com.sk89q.worldedit.Vector;
 
 public abstract class LocalPlayer {

src/com/sk89q/worldguard/blacklist/loggers/ConsoleLoggerHandler.java

@@ -56,8 +56,8 @@ public class ConsoleLoggerHandler implements BlacklistLoggerHandler {
                     + (comment != null ? " (" + comment + ")" : ""));
         
         // Block interact
-        } else if (event instanceof BlockPlaceBlacklistEvent) {
-            BlockPlaceBlacklistEvent evt = (BlockPlaceBlacklistEvent)event;
+        } else if (event instanceof BlockInteractBlacklistEvent) {
+            BlockInteractBlacklistEvent evt = (BlockInteractBlacklistEvent)event;
             logger.log(Level.INFO, "WorldGuard: " + event.getPlayer().getName()
                     + " tried to interact with " + getFriendlyItemName(evt.getType())
                     + (comment != null ? " (" + comment + ")" : ""));

src/com/sk89q/worldguard/blacklist/loggers/DatabaseLoggerHandler.java

@@ -172,7 +172,7 @@ public class DatabaseLoggerHandler implements BlacklistLoggerHandler {
         
         // Use
         } else if (event instanceof ItemUseBlacklistEvent) {
-            ItemDropBlacklistEvent evt = (ItemDropBlacklistEvent)event;
+            ItemUseBlacklistEvent evt = (ItemUseBlacklistEvent)event;
             logEvent("USE", evt.getPlayer(), evt.getPlayer().getPosition(),
                     evt.getType(), comment);
         

src/com/sk89q/worldguard/blacklist/loggers/FileLoggerHandler.java

@@ -255,12 +255,12 @@ public class FileLoggerHandler implements BlacklistLoggerHandler {
         
         // Drop
         } else if (event instanceof ItemDropBlacklistEvent) {
-            ItemAcquireBlacklistEvent evt = (ItemAcquireBlacklistEvent)event;
+            ItemDropBlacklistEvent evt = (ItemDropBlacklistEvent)event;
             logEvent(event, "drop", evt.getType(), evt.getPosition(), comment);
             
         // Use
         } else if (event instanceof ItemUseBlacklistEvent) {
-            ItemDropBlacklistEvent evt = (ItemDropBlacklistEvent)event;
+            ItemUseBlacklistEvent evt = (ItemUseBlacklistEvent)event;
             logEvent(event, "use", evt.getType(), evt.getPosition(), comment);
         
         // Unknown

src/com/sk89q/worldguard/bukkit/WorldGuardBlockListener.java

@@ -35,6 +35,7 @@ import com.sk89q.worldedit.Vector;
 import com.sk89q.worldguard.LocalPlayer;
 import com.sk89q.worldguard.blacklist.events.*;
 import com.sk89q.worldguard.protection.ApplicableRegionSet;
+import com.sk89q.worldguard.protection.AreaFlags;
 import static com.sk89q.worldguard.bukkit.BukkitUtil.*;
 
 public class WorldGuardBlockListener extends BlockListener {
@@ -63,8 +64,10 @@ public class WorldGuardBlockListener extends BlockListener {
 
         if (!plugin.itemDurability && event.getDamageLevel() == BlockDamageLevel.BROKEN) {
             ItemStack held = player.getItemInHand();
-            held.setDamage((byte)-1);
-            player.setItemInHand(held);
+            if (held.getTypeId() > 0) {
+                held.setDamage((byte)-1);
+                player.setItemInHand(held);
+            }
         }
         
         if (plugin.useRegions && event.getDamageLevel() == BlockDamageLevel.BROKEN) {
@@ -166,7 +169,7 @@ public class WorldGuardBlockListener extends BlockListener {
     public void onBlockIgnite(BlockIgniteEvent event) {
         IgniteCause cause = event.getCause();
         Block block = event.getBlock();
-        Player player = event.getPlayer();
+        //Player player = event.getPlayer();
         World world = block.getWorld();
         boolean isFireSpread = cause == IgniteCause.SLOW_SPREAD
                 || cause == IgniteCause.SPREAD;
@@ -206,22 +209,38 @@ public class WorldGuardBlockListener extends BlockListener {
             }
         }
         
-        if (plugin.useRegions && player != null && !plugin.hasPermission(player, "/regionbypass")) {
+        /*if (plugin.useRegions) {
             Vector pt = toVector(block);
-            LocalPlayer localPlayer = plugin.wrapPlayer(player);
             
-            if (cause == IgniteCause.FLINT_AND_STEEL
-                    && !plugin.regionManager.getApplicableRegions(pt).canBuild(localPlayer)) {
+            if (player != null && !plugin.hasPermission(player, "/regionbypass")) {
+                LocalPlayer localPlayer = plugin.wrapPlayer(player);
+                
+                if (cause == IgniteCause.FLINT_AND_STEEL
+                        && !plugin.regionManager.getApplicableRegions(pt).canBuild(localPlayer)) {
+                    event.setCancelled(true);
+                    return;
+                }
+                
+                if (cause == IgniteCause.FLINT_AND_STEEL
+                        && !plugin.regionManager.getApplicableRegions(pt)
+                        .allowsFlag(AreaFlags.FLAG_LIGHTER)) {
+                    event.setCancelled(true);
+                    return;
+                }
+            }
+            
+            f (isFireSpread && !plugin.regionManager.getApplicableRegions(pt)
+                    .allowsFlag(AreaFlags.FLAG_FIRE_SPREAD)) {
                 event.setCancelled(true);
                 return;
             }
             
-            if (cause == IgniteCause.FLINT_AND_STEEL
-                    && !plugin.regionManager.getApplicableRegions(pt).allowsLighter()) {
+            if (cause == IgniteCause.LAVA && !plugin.regionManager.getApplicableRegions(pt)
+                    .allowsFlag(AreaFlags.FLAG_LAVA_FIRE)) {
                 event.setCancelled(true);
                 return;
             }
-        }
+        }*/
     }
 
     /**
@@ -258,13 +277,19 @@ public class WorldGuardBlockListener extends BlockListener {
         Block block = event.getBlock();
         LivingEntity entity = event.getEntity();
         
-        if (entity instanceof Player && block.getType() == Material.CHEST) {
+        if (entity instanceof Player
+                && (block.getType() == Material.CHEST
+                        || block.getType() == Material.DISPENSER
+                        || block.getType() == Material.FURNACE
+                        || block.getType() == Material.BURNING_FURNACE
+                        || block.getType() == Material.NOTE_BLOCK)) {
             Player player = (Player)entity;
             if (plugin.useRegions) {
                 Vector pt = toVector(block);
                 LocalPlayer localPlayer = plugin.wrapPlayer(player);
     
                 if (!plugin.hasPermission(player, "/regionbypass")
+                        && !plugin.regionManager.getApplicableRegions(pt).allowsFlag(AreaFlags.FLAG_CHEST_ACCESS)
                         && !plugin.regionManager.getApplicableRegions(pt).canBuild(localPlayer)) {
                     player.sendMessage(ChatColor.DARK_RED + "You don't have permission for this area.");
                     event.setCancelled(true);

src/com/sk89q/worldguard/bukkit/WorldGuardEntityListener.java

@@ -22,13 +22,16 @@ package com.sk89q.worldguard.bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.Location;
 import org.bukkit.World;
+import org.bukkit.entity.Creeper;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.LivingEntity;
+import org.bukkit.entity.Monster;
 import org.bukkit.entity.Player;
 import org.bukkit.event.entity.*;
 import org.bukkit.event.entity.EntityDamageEvent.DamageCause;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.blocks.BlockType;
+import com.sk89q.worldguard.protection.AreaFlags;
 import static com.sk89q.worldguard.bukkit.BukkitUtil.*;
 
 public class WorldGuardEntityListener extends EntityListener {
@@ -78,23 +81,51 @@ public class WorldGuardEntityListener extends EntityListener {
                 event.setCancelled(true);
                 return;
             }
-            
+
             if (attacker != null && attacker instanceof Player) {
                 if (plugin.useRegions) {
                     Vector pt = toVector(defender.getLocation());
                     
-                    if (!plugin.regionManager.getApplicableRegions(pt).allowsPvP()) {
-                        player.sendMessage(ChatColor.DARK_RED + "You are in a no-PvP area.");
+                    if (!plugin.regionManager.getApplicableRegions(pt)
+                            .allowsFlag(AreaFlags.FLAG_PVP)) {
+                        ((Player)attacker).sendMessage(ChatColor.DARK_RED + "You are in a no-PvP area.");
                         event.setCancelled(true);
                         return;
                     }
                 }
             }
+            
+            if (attacker != null && attacker instanceof Monster) {
+                if (attacker instanceof Creeper && plugin.blockCreeperExplosions) {
+                    event.setCancelled(true);
+                    return;
+                }
+                
+                if (plugin.useRegions) {
+                    Vector pt = toVector(defender.getLocation());
+                    
+                    if (!plugin.regionManager.getApplicableRegions(pt)
+                            .allowsFlag(AreaFlags.FLAG_MOB_DAMAGE)) {
+                        event.setCancelled(true);
+                        return;
+                    }
+                    
+                    if (attacker instanceof Creeper) {
+                        if (!plugin.regionManager.getApplicableRegions(pt)
+                                .allowsFlag(AreaFlags.FLAG_CREEPER_EXPLOSION)) {
+                            event.setCancelled(true);
+                            return;
+                        }
+                    }
+                }
+                
+            }
         }
     }
     
     public void onEntityDamageByProjectile(EntityDamageByProjectileEvent event) {
         Entity defender = event.getEntity();
+        Entity attacker = event.getDamager();
         
         if (defender instanceof Player) {            
             Player player = (Player)defender;
@@ -103,6 +134,19 @@ public class WorldGuardEntityListener extends EntityListener {
                 event.setCancelled(true);
                 return;
             }
+
+            if (attacker != null && attacker instanceof Player) {
+                if (plugin.useRegions) {
+                    Vector pt = toVector(defender.getLocation());
+                    
+                    if (!plugin.regionManager.getApplicableRegions(pt)
+                            .allowsFlag(AreaFlags.FLAG_PVP)) {
+                        ((Player)attacker).sendMessage(ChatColor.DARK_RED + "You are in a no-PvP area.");
+                        event.setCancelled(true);
+                        return;
+                    }
+                }
+            }
         }
 
     }
@@ -172,10 +216,17 @@ public class WorldGuardEntityListener extends EntityListener {
                 return;
             }
             
+            if (!plugin.regionManager.getApplicableRegions(BukkitUtil.toVector(event.getEntity().getLocation()))
+                    .allowsFlag(AreaFlags.FLAG_CREEPER_EXPLOSION)) {
+                event.setCancelled(true);
+                return;
+            }
+            
             if (plugin.useRegions) {
                 Vector pt = toVector(event.getEntity().getLocation());
                 
-                if (!plugin.regionManager.getApplicableRegions(pt).allowsCreeperExplosions()) {
+                if (!plugin.regionManager.getApplicableRegions(pt)
+                        .allowsFlag(AreaFlags.FLAG_CREEPER_EXPLOSION)) {
                     event.setCancelled(true);
                     return;
                 }
@@ -186,10 +237,11 @@ public class WorldGuardEntityListener extends EntityListener {
                 return;
             }
             
-            if (plugin.useRegions) {
+            if (plugin.useRegions && event.getEntity() != null) {
                 Vector pt = toVector(event.getEntity().getLocation());
                 
-                if (!plugin.regionManager.getApplicableRegions(pt).allowsTNT()) {
+                if (!plugin.regionManager.getApplicableRegions(pt)
+                        .allowsFlag(AreaFlags.FLAG_TNT)) {
                     event.setCancelled(true);
                     return;
                 }

src/com/sk89q/worldguard/bukkit/WorldGuardPlayerListener.java

@@ -19,8 +19,6 @@
 
 package com.sk89q.worldguard.bukkit;
 
-import java.util.logging.Level;
-import java.util.logging.Logger;
 import org.bukkit.*;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Player;
@@ -29,6 +27,7 @@ import org.bukkit.inventory.ItemStack;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldguard.*;
 import com.sk89q.worldguard.blacklist.events.ItemUseBlacklistEvent;
+import com.sk89q.worldguard.protection.AreaFlags;
 import static com.sk89q.worldguard.bukkit.BukkitUtil.*;
 
 /**
@@ -111,7 +110,7 @@ public class WorldGuardPlayerListener extends PlayerListener {
             }
         }
         
-        if (item != null && plugin.blacklist != null && block != null) {
+        if (plugin.blacklist != null && item != null && block != null) {
             if (!plugin.blacklist.check(
                     new ItemUseBlacklistEvent(plugin.wrapPlayer(player),
                             toVector(block.getRelative(event.getBlockFace())),
@@ -120,6 +119,16 @@ public class WorldGuardPlayerListener extends PlayerListener {
                 return;
             }
         }
+    
+        if (plugin.useRegions && item != null && block != null && item.getTypeId() == 259) {
+            Vector pt = toVector(block.getRelative(event.getBlockFace()));
+            
+            if (!plugin.regionManager.getApplicableRegions(pt)
+                    .allowsFlag(AreaFlags.FLAG_LIGHTER)) {
+                event.setCancelled(true);
+                return;
+            }
+        }
     }
 
     /**

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

@@ -20,17 +20,9 @@
 package com.sk89q.worldguard.bukkit;
 
 import static com.sk89q.worldguard.bukkit.BukkitUtil.matchSinglePlayer;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.Arrays;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-import java.util.logging.Level;
-import java.util.logging.Logger;
+import java.io.*;
+import java.util.*;
+import java.util.logging.*;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import org.bukkit.command.Command;
@@ -56,11 +48,12 @@ import com.sk89q.worldedit.blocks.ItemType;
 import com.sk89q.worldedit.bukkit.WorldEditAPI;
 import com.sk89q.worldedit.bukkit.WorldEditPlugin;
 import com.sk89q.worldedit.regions.Region;
-import com.sk89q.worldguard.blacklist.Blacklist;
-import com.sk89q.worldguard.blacklist.BlacklistLogger;
+import com.sk89q.worldguard.blacklist.*;
 import com.sk89q.worldguard.blacklist.loggers.*;
 import com.sk89q.worldguard.domains.DefaultDomain;
 import com.sk89q.worldguard.protection.*;
+import com.sk89q.worldguard.protection.AreaFlags.State;
+import com.sk89q.worldguard.protection.ProtectedRegion.CircularInheritanceException;
 
 /**
  * Plugin for Bukkit.
@@ -85,7 +78,8 @@ public class WorldGuardPlugin extends JavaPlugin {
     
     Blacklist blacklist;
 
-    RegionManager regionManager = new FlatRegionManager();
+    GlobalFlags globalFlags = new GlobalFlags();
+    RegionManager regionManager = new FlatRegionManager(globalFlags);
     ProtectionDatabase regionLoader;
     
     Set<String> invinciblePlayers = new HashSet<String>();
@@ -260,6 +254,7 @@ public class WorldGuardPlugin extends JavaPlugin {
     public void loadConfiguration() {
         Configuration config = getConfiguration();
         config.load();
+        perms.load();
 
         enforceOneSession = config.getBoolean("protection.enforce-single-session", true);
         itemDurability = config.getBoolean("protection.item-durability", true);
@@ -297,9 +292,11 @@ public class WorldGuardPlugin extends JavaPlugin {
         disableSuffocationDamage = config.getBoolean("player-damage.disable-suffocation-damage", false);
         disableContactDamage = config.getBoolean("player-damage.disable-contact-damage", false);
         teleportOnSuffocation = config.getBoolean("player-damage.teleport-on-suffocation", false);
-        
+
         useRegions = config.getBoolean("regions.enable", true);
         regionWand = config.getInt("regions.wand", 287);
+        globalFlags.canBuild = config.getBoolean("regions.default.build", true);
+        globalFlags.canAccessChests = config.getBoolean("regions.default.chest-access", false);
 
         try {
             regionLoader.load();
@@ -430,6 +427,12 @@ public class WorldGuardPlugin extends JavaPlugin {
         } catch (InsufficientPermissionsException e) {
             player.sendMessage(ChatColor.RED + "You don't have sufficient permission.");
             return true;
+        } catch (CommandHandlingException e) {
+            return true;
+        } catch (Throwable t) {
+            player.sendMessage(ChatColor.RED + "ERROR: " + t.getMessage());
+            t.printStackTrace();
+            return true;
         }
     }
     
@@ -440,11 +443,10 @@ public class WorldGuardPlugin extends JavaPlugin {
      * @param cmd
      * @param args
      * @return
-     * @throws InsufficientArgumentsException
-     * @throws InsufficientPermissionsException
+     * @throws CommandHandlingException
      */
     private boolean handleCommand(Player player, String cmd, String[] args)
-            throws InsufficientArgumentsException, InsufficientPermissionsException {
+            throws CommandHandlingException {
         
         if (cmd.equalsIgnoreCase("stopfire")) {
             checkPermission(player, "/stopfire");
@@ -483,13 +485,13 @@ public class WorldGuardPlugin extends JavaPlugin {
             checkArgs(args, 0, 1);
             
             // Allow setting other people invincible
-            if (args.length > 1) {
+            if (args.length > 0) {
                 if (!hasPermission(player, "/godother")) {
                     player.sendMessage(ChatColor.RED + "You don't have permission to make others invincible.");
                     return true;
                 }
 
-                Player other = matchSinglePlayer(getServer(), args[1]);
+                Player other = matchSinglePlayer(getServer(), args[0]);
                 if (other == null) {
                     player.sendMessage(ChatColor.RED + "Player not found.");
                 } else {
@@ -522,13 +524,13 @@ public class WorldGuardPlugin extends JavaPlugin {
             checkArgs(args, 0, 1);
             
             // Allow healing other people
-            if (args.length > 1) {
+            if (args.length > 0) {
                 if (!hasPermission(player, "/healother")) {
                     player.sendMessage(ChatColor.RED + "You don't have permission to heal others.");
                     return true;
                 }
 
-                Player other = matchSinglePlayer(getServer(), args[1]);
+                Player other = matchSinglePlayer(getServer(), args[0]);
                 if (other == null) {
                     player.sendMessage(ChatColor.RED + "Player not found.");
                 } else {
@@ -549,13 +551,13 @@ public class WorldGuardPlugin extends JavaPlugin {
             checkArgs(args, 0, 1);
             
             // Allow killing other people
-            if (args.length > 1) {
+            if (args.length > 0) {
                 if (!hasPermission(player, "/slayother")) {
                     player.sendMessage(ChatColor.RED + "You don't have permission to kill others.");
                     return true;
                 }
 
-                Player other = matchSinglePlayer(getServer(), args[1]);
+                Player other = matchSinglePlayer(getServer(), args[0]);
                 if (other == null) {
                     player.sendMessage(ChatColor.RED + "Player not found.");
                 } else {
@@ -572,7 +574,7 @@ public class WorldGuardPlugin extends JavaPlugin {
         }
         
         if (cmd.equalsIgnoreCase("stack")) {
-            checkPermission(player, "stack");
+            checkPermission(player, "/stack");
             checkArgs(args, 0, 0);
             
             ItemStack[] items = player.getInventory().getContents();
@@ -640,11 +642,11 @@ public class WorldGuardPlugin extends JavaPlugin {
         }
         
         if (cmd.equalsIgnoreCase("locate")) {
-            checkPermission(player, "locate");
+            checkPermission(player, "/locate");
             checkArgs(args, 0, 3);
 
-            if (args.length == 2) {
-                String name = args[1];
+            if (args.length == 1) {
+                String name = args[0];
                 Player target = BukkitUtil.matchSinglePlayer(getServer(), name);
                 if (target != null) {
                     player.setCompassTarget(target.getLocation());
@@ -652,13 +654,13 @@ public class WorldGuardPlugin extends JavaPlugin {
                 } else {
                     player.sendMessage(ChatColor.RED + "Could not find player.");
                 }
-            } else if (args.length == 4) {
+            } else if (args.length == 3) {
                 try {
                     Location loc = new Location(
                             player.getWorld(),
+                            Integer.parseInt(args[0]),
                             Integer.parseInt(args[1]),
-                            Integer.parseInt(args[2]),
-                            Integer.parseInt(args[3])
+                            Integer.parseInt(args[2])
                             );
                     player.setCompassTarget(loc);
                     player.sendMessage(ChatColor.YELLOW + "Compass target set to "
@@ -668,7 +670,7 @@ public class WorldGuardPlugin extends JavaPlugin {
                 } catch (NumberFormatException e) {
                     player.sendMessage(ChatColor.RED + "Invalid number specified");
                 }
-            } else if (args.length == 1) {
+            } else if (args.length == 0) {
                 player.setCompassTarget(player.getWorld().getSpawnLocation());
                 player.sendMessage(ChatColor.YELLOW + "Compass reset to the spawn location.");
             } else {
@@ -681,14 +683,14 @@ public class WorldGuardPlugin extends JavaPlugin {
         if (cmd.equalsIgnoreCase("region")) {
             checkArgs(args, 1, -1);
             
-            String action = args[1];
+            String action = args[0];
             String[] subArgs = new String[args.length - 1];
             System.arraycopy(args, 1, subArgs, 0, args.length - 1);
             return handleRegionCommand(player, action, subArgs);
         }
         
         if (cmd.equalsIgnoreCase("reloadwg")) {
-            checkPermission(player, "reloadwg");
+            checkPermission(player, "/reloadwg");
             checkArgs(args, 0, 0);
             
             LoggerToChatHandler handler = new LoggerToChatHandler(player);
@@ -719,11 +721,10 @@ public class WorldGuardPlugin extends JavaPlugin {
      * @param player
      * @param action
      * @param args
-     * @throws InsufficientPermissionsException 
-     * @throws InsufficientArgumentsException 
+     * @throws CommandHandlingException
      */
     private boolean handleRegionCommand(Player player, String action, String[] args)
-            throws InsufficientPermissionsException, InsufficientArgumentsException {
+            throws CommandHandlingException {
         if (!useRegions) {
             player.sendMessage(ChatColor.RED + "Regions are disabled.");
             return true;
@@ -740,7 +741,7 @@ public class WorldGuardPlugin extends JavaPlugin {
             checkArgs(args, 1, -1, "/region define <id> [owner1 [owner2 [owners...]]]");
             
             try {
-                String id = args[1].toLowerCase();
+                String id = args[0].toLowerCase();
                 
                 WorldEditPlugin worldEdit = (WorldEditPlugin)wePlugin;
                 WorldEditAPI api = worldEdit.getAPI();
@@ -751,11 +752,11 @@ public class WorldGuardPlugin extends JavaPlugin {
                 BlockVector min = weRegion.getMinimumPoint().toBlockVector();
                 BlockVector max = weRegion.getMaximumPoint().toBlockVector();
                 
-                ProtectedRegion region = new ProtectedCuboidRegion(min, max);
+                ProtectedRegion region = new ProtectedCuboidRegion(id, min, max);
                 if (args.length >= 2) {
-                    region.setOwners(parseDomainString(args, 2));
+                    region.setOwners(parseDomainString(args, 1));
                 }
-                regionManager.addRegion(id, region);
+                regionManager.addRegion(region);
                 regionLoader.save(regionManager);
                 player.sendMessage(ChatColor.YELLOW + "Region saved as " + id + ".");
             } catch (IncompleteRegionException e) {
@@ -773,7 +774,7 @@ public class WorldGuardPlugin extends JavaPlugin {
             checkArgs(args, 1, 1, "/region claim <id>");
             
             try {
-                String id = args[1].toLowerCase();
+                String id = args[0].toLowerCase();
 
                 ProtectedRegion existing = regionManager.getRegion(id);
                 
@@ -793,7 +794,7 @@ public class WorldGuardPlugin extends JavaPlugin {
                 BlockVector min = weRegion.getMinimumPoint().toBlockVector();
                 BlockVector max = weRegion.getMaximumPoint().toBlockVector();
                 
-                ProtectedRegion region = new ProtectedCuboidRegion(min, max);
+                ProtectedRegion region = new ProtectedCuboidRegion(id, min, max);
                 
                 if (regionManager.overlapsUnownedRegion(region, wrapPlayer(player))) {
                     player.sendMessage(ChatColor.RED + "This region overlaps with someone else's region.");
@@ -802,7 +803,7 @@ public class WorldGuardPlugin extends JavaPlugin {
                 
                 region.getOwners().addPlayer(player.getName());
                 
-                regionManager.addRegion(id, region);
+                regionManager.addRegion(region);
                 regionLoader.save(regionManager);
                 player.sendMessage(ChatColor.YELLOW + "Region saved as " + id + ".");
             } catch (IncompleteRegionException e) {
@@ -820,9 +821,9 @@ public class WorldGuardPlugin extends JavaPlugin {
             checkArgs(args, 3, 3, "/region flag <id> <flag> <none|allow|deny>");
             
             try {
-                String id = args[1].toLowerCase();
-                String flagStr = args[2];
-                String stateStr = args[3];
+                String id = args[0].toLowerCase();
+                String flagStr = args[1];
+                String stateStr = args[2];
                 ProtectedRegion region = regionManager.getRegion(id);
                 
                 if (region == null) {
@@ -843,23 +844,78 @@ public class WorldGuardPlugin extends JavaPlugin {
                     return true;
                 }
                 
-                AreaFlags flags = region.getFlags();
-                
-                if (flagStr.equalsIgnoreCase("build")) {
-                    flags.allowBuild = state;
-                } else if (flagStr.equalsIgnoreCase("pvp")) {
-                    flags.allowPvP = state;
-                } else if (flagStr.equalsIgnoreCase("tnt")) {
-                    flags.allowTNT = state;
-                } else if (flagStr.equalsIgnoreCase("lighter")) {
-                    flags.allowLighter = state;
+                if (flagStr.length() == 0) {
+                    player.sendMessage(ChatColor.RED + "A flag must be specified.");
+                    return true;
+                    // Custom flag
+                } else if (flagStr.length() == 2 && flagStr.matches("^_[A-Za-z0-0]$")) {
                 } else {
-                    player.sendMessage(ChatColor.RED + "Acceptable flags: build, pvp, tnt, lighter");
+                    flagStr = AreaFlags.fromAlias(flagStr);
+                    if (flagStr == null) {
+                        player.sendMessage(ChatColor.RED + "Unknown flag specified.");
+                        return true;
+                    }
+                }
+
+                AreaFlags flags = region.getFlags();
+                flags.set(flagStr, state);
+                regionLoader.save(regionManager);
+                player.sendMessage(ChatColor.YELLOW + "Region '" + id + "' updated.");
+            } catch (IOException e) {
+                player.sendMessage(ChatColor.RED + "Region database failed to save: "
+                        + e.getMessage());
+            }
+            
+            return true;
+        }
+
+        if (action.equalsIgnoreCase("setparent")) {
+            if (!hasPermission(player, "/regionclaim")) {
+                checkRegionPermission(player, "/regiondefine");
+            }
+            checkArgs(args, 1, 2, "/region setparent <id> <parent-id>");
+            
+            String id = args[0].toLowerCase();
+            String parentId = args.length > 1 ? args[1].toLowerCase() : null;
+            
+            ProtectedRegion region = regionManager.getRegion(id);
+            
+            if (region == null) {
+                player.sendMessage(ChatColor.RED + "Could not find a region with ID: " + id);
+                return true;
+            }
+            
+            if (!canUseRegionCommand(player, "/regiondefine")
+                    && !region.isOwner(wrapPlayer(player))) {
+                player.sendMessage(ChatColor.RED + "You need to own the target regions");
+                return true;
+            }
+            
+            ProtectedRegion parent = null;
+            
+            // Set a parent
+            if (parentId != null) {
+                parent = regionManager.getRegion(parentId);
+                
+                if (parent == null) {
+                    player.sendMessage(ChatColor.RED + "Could not find a region with ID: " + parentId);
                     return true;
                 }
                 
+                if (!canUseRegionCommand(player, "/regiondefine")
+                        && !parent.isOwner(wrapPlayer(player))) {
+                    player.sendMessage(ChatColor.RED + "You need to own the parent region.");
+                    return true;
+                }
+            }
+            
+            try {
+                region.setParent(parent);
+                
                 regionLoader.save(regionManager);
                 player.sendMessage(ChatColor.YELLOW + "Region '" + id + "' updated.");
+            } catch (CircularInheritanceException e) {
+                player.sendMessage(ChatColor.RED + "Circular inheritance detected. The operation failed.");
             } catch (IOException e) {
                 player.sendMessage(ChatColor.RED + "Region database failed to save: "
                         + e.getMessage());
@@ -872,7 +928,7 @@ public class WorldGuardPlugin extends JavaPlugin {
             checkRegionPermission(player, "/regioninfo");
             checkArgs(args, 1, 1, "/region info <id>");
     
-            String id = args[1].toLowerCase();
+            String id = args[0].toLowerCase();
             if (!regionManager.hasRegion(id)) {
                 player.sendMessage(ChatColor.RED + "A region with ID '"
                         + id + "' doesn't exist.");
@@ -881,47 +937,74 @@ public class WorldGuardPlugin extends JavaPlugin {
     
             ProtectedRegion region = regionManager.getRegion(id);
             AreaFlags flags = region.getFlags();
-            DefaultDomain domain = region.getOwners();
+            DefaultDomain owners = region.getOwners();
+            DefaultDomain members = region.getMembers();
             
-            player.sendMessage(ChatColor.YELLOW + "Region ID: " + id);
-            player.sendMessage(ChatColor.GRAY + "Type: " + region.getClass().getCanonicalName());
-            player.sendMessage(ChatColor.GRAY + "Priority: " + region.getPriority());
-            player.sendMessage(ChatColor.BLUE + "Build: " + flags.allowBuild.name());
-            player.sendMessage(ChatColor.BLUE + "PvP: " + flags.allowPvP.name());
-            player.sendMessage(ChatColor.BLUE + "TNT: " + flags.allowTNT.name());
-            player.sendMessage(ChatColor.BLUE + "Lighter: " + flags.allowLighter.name());
-            player.sendMessage(ChatColor.LIGHT_PURPLE + "Players: " + domain.toPlayersString());
-            player.sendMessage(ChatColor.LIGHT_PURPLE + "Groups: " + domain.toGroupsString());
+            player.sendMessage(ChatColor.YELLOW + "Region: " + id
+                    + ChatColor.GRAY + " (type: " + region.getTypeName() + ")");
+            player.sendMessage(ChatColor.BLUE + "Priority: " + region.getPriority());
             
+            StringBuilder s = new StringBuilder();
+            for (Map.Entry<String, State> entry : flags.entrySet()) {
+                if (s.length() > 0) {
+                    s.append(", ");
+                }
+                
+                if (entry.getValue() == State.ALLOW) {
+                    s.append("+");
+                    s.append(AreaFlags.getFlagName(entry.getKey()));
+                } else if (entry.getValue() == State.DENY) {
+                    s.append("-");
+                    s.append(AreaFlags.getFlagName(entry.getKey()));
+                }
+            }
+            
+            player.sendMessage(ChatColor.BLUE + "Flags: " + s.toString());
+            player.sendMessage(ChatColor.BLUE + "Parent: "
+                    + (region.getParent() == null ? "(none)" : region.getParent().getId()));
+            player.sendMessage(ChatColor.LIGHT_PURPLE + "Owners: "
+                    + owners.toUserFriendlyString());
+            player.sendMessage(ChatColor.LIGHT_PURPLE + "Members: "
+                    + members.toUserFriendlyString());
             return true;
         }
 
-        if (action.equalsIgnoreCase("addowner")) {
-            if (!hasPermission(player, "/regionclaim")) {
+        if (action.equalsIgnoreCase("addowner") || action.equalsIgnoreCase("addmember")) {
+            if (!hasPermission(player, "/regionclaim") && !hasPermission(player, "/regionmembership")) {
                 checkRegionPermission(player, "/regiondefine");
             }
-            checkArgs(args, 2, -1, "/region addowner <id> [owner1 [owner2 [owners...]]]");
-    
+            checkArgs(args, 2, -1, "/region add[member|owner] <id> [player1 [group1 [players/groups...]]]");
+            
+            boolean isOwner = action.equalsIgnoreCase("addowner");
+
+            String id = args[0].toLowerCase();
+            if (!regionManager.hasRegion(id)) {
+                player.sendMessage(ChatColor.RED + "A region with ID '"
+                        + id + "' doesn't exist.");
+                return true;
+            }
+            
+            ProtectedRegion existing = regionManager.getRegion(id);
+            
+            if (!canUseRegionCommand(player, "/regiondefine")
+                    && !existing.isOwner(wrapPlayer(player))) {
+                player.sendMessage(ChatColor.RED + "You don't own this region.");
+                return true;
+            }
+            
+            if (isOwner) {
+                addToDomain(existing.getOwners(), args, 1);
+            } else {
+                addToDomain(existing.getMembers(), args, 1);
+            }
+
             try {
-                String id = args[1].toLowerCase();
-                if (!regionManager.hasRegion(id)) {
-                    player.sendMessage(ChatColor.RED + "A region with ID '"
-                            + id + "' doesn't exist.");
-                    return true;
-                }
-                
-                ProtectedRegion existing = regionManager.getRegion(id);
-                
-                if (!canUseRegionCommand(player, "/regiondefine")
-                        && !existing.getOwners().contains(wrapPlayer(player))) {
-                    player.sendMessage(ChatColor.RED + "You don't own this region.");
-                    return true;
-                }
-                
-                addToDomain(existing.getOwners(), args, 2);
-                
                 regionLoader.save(regionManager);
                 player.sendMessage(ChatColor.YELLOW + "Region updated!");
+                player.sendMessage(ChatColor.GRAY + "Current owners: "
+                        + existing.getOwners().toUserFriendlyString());
+                player.sendMessage(ChatColor.GRAY + "Current members: "
+                        + existing.getMembers().toUserFriendlyString());
             } catch (IOException e) {
                 player.sendMessage(ChatColor.RED + "Region database failed to save: "
                         + e.getMessage());
@@ -930,32 +1013,42 @@ public class WorldGuardPlugin extends JavaPlugin {
             return true;
         }
 
-        if (action.equalsIgnoreCase("removeowner")) {
-            if (!hasPermission(player, "/regionclaim")) {
+        if (action.equalsIgnoreCase("removeowner") || action.equalsIgnoreCase("removemember")) {
+            if (!hasPermission(player, "/regionclaim") && !hasPermission(player, "/regionmembership")) {
                 checkRegionPermission(player, "/regiondefine");
             }
             checkArgs(args, 2, -1, "/region removeowner <id> [owner1 [owner2 [owners...]]]");
-    
+            
+            boolean isOwner = action.equalsIgnoreCase("removeowner");
+            
+            String id = args[0].toLowerCase();
+            if (!regionManager.hasRegion(id)) {
+                player.sendMessage(ChatColor.RED + "A region with ID '"
+                        + id + "' doesn't exist.");
+                return true;
+            }
+            
+            ProtectedRegion existing = regionManager.getRegion(id);
+            
+            if (!canUseRegionCommand(player, "/regiondefine")
+                    && !existing.isOwner(wrapPlayer(player))) {
+                player.sendMessage(ChatColor.RED + "You don't own this region.");
+                return true;
+            }
+
+            if (isOwner) {
+                removeFromDomain(existing.getOwners(), args, 1);
+            } else {
+                removeFromDomain(existing.getMembers(), args, 1);
+            }
+                
             try {
-                String id = args[1].toLowerCase();
-                if (!regionManager.hasRegion(id)) {
-                    player.sendMessage(ChatColor.RED + "A region with ID '"
-                            + id + "' doesn't exist.");
-                    return true;
-                }
-                
-                ProtectedRegion existing = regionManager.getRegion(id);
-                
-                if (!canUseRegionCommand(player, "/regiondefine")
-                        && !existing.getOwners().contains(wrapPlayer(player))) {
-                    player.sendMessage(ChatColor.RED + "You don't own this region.");
-                    return true;
-                }
-                
-                removeFromDomain(existing.getOwners(), args, 2);
-                
                 regionLoader.save(regionManager);
                 player.sendMessage(ChatColor.YELLOW + "Region updated!");
+                player.sendMessage(ChatColor.GRAY + "Current owners: "
+                        + existing.getOwners().toUserFriendlyString());
+                player.sendMessage(ChatColor.GRAY + "Current members: "
+                        + existing.getMembers().toUserFriendlyString());
             } catch (IOException e) {
                 player.sendMessage(ChatColor.RED + "Region database failed to save: "
                         + e.getMessage());
@@ -970,9 +1063,9 @@ public class WorldGuardPlugin extends JavaPlugin {
             
             int page = 0;
             
-            if (args.length >= 2) {
+            if (args.length >= 1) {
                 try {
-                    page = Math.max(0, Integer.parseInt(args[1]) - 1);
+                    page = Math.max(0, Integer.parseInt(args[0]) - 1);
                 } catch (NumberFormatException e) {
                     page = 0;
                 }
@@ -1011,7 +1104,7 @@ public class WorldGuardPlugin extends JavaPlugin {
             checkArgs(args, 0, 1, "/region delete <id>");
     
             try {
-                String id = args[1].toLowerCase();
+                String id = args[0].toLowerCase();
                 if (!regionManager.hasRegion(id)) {
                     player.sendMessage(ChatColor.RED + "A region with ID '"
                             + id + "' doesn't exist.");
@@ -1021,7 +1114,7 @@ public class WorldGuardPlugin extends JavaPlugin {
                 ProtectedRegion existing = regionManager.getRegion(id);
                 
                 if (!canUseRegionCommand(player, "/regiondelete")
-                        && !existing.getOwners().contains(wrapPlayer(player))) {
+                        && !existing.isOwner(wrapPlayer(player))) {
                     player.sendMessage(ChatColor.RED + "You don't own this region.");
                     return true;
                 }
@@ -1185,7 +1278,7 @@ public class WorldGuardPlugin extends JavaPlugin {
      */
     private void checkArgs(String[] args, int min, int max)
             throws InsufficientArgumentsException {
-        if (args.length <= min || (max != -1 && args.length - 1 > max)) {
+        if (args.length < min || (max != -1 && args.length > max)) {
             throw new InsufficientArgumentsException();
         }
     }
@@ -1201,33 +1294,75 @@ public class WorldGuardPlugin extends JavaPlugin {
      */
     private void checkArgs(String[] args, int min, int max, String help)
             throws InsufficientArgumentsException {
-        if (args.length <= min || (max != -1 && args.length - 1 > max)) {
+        if (args.length < min || (max != -1 && args.length > max)) {
             throw new InsufficientArgumentsException(help);
         }
     }
     
+    /**
+     * Get the region manager.
+     * 
+     * @return
+     */
+    public RegionManager getRegionManager() {
+        return regionManager;
+    }
+    
+    /**
+     * Get the region loader.
+     * 
+     * @return
+     */
+    public ProtectionDatabase getRegionLoader() {
+        return regionLoader;
+    }
+    
     boolean inGroup(Player player, String group) {
-        return perms.inGroup(player.getName(), group);
+        try {
+            return perms.inGroup(player.getName(), group);
+        } catch (Throwable t) {
+            t.printStackTrace();
+            return false;
+        }
     }
     
     boolean hasPermission(Player player, String perm) {
-        return player.isOp() || perms.hasPermission(player.getName(), perm);
+        try {
+            return player.isOp() || perms.hasPermission(player.getName(), perm);
+        } catch (Throwable t) {
+            t.printStackTrace();
+            return false;
+        }
     }
     
     String[] getGroups(Player player) {
-        return perms.getGroups(player.getName());
+        try {
+            return perms.getGroups(player.getName());
+        } catch (Throwable t) {
+            t.printStackTrace();
+            return new String[0];
+        }
     }
 
     BukkitPlayer wrapPlayer(Player player) {
         return new BukkitPlayer(this, player);
     }
 
+    /**
+     * Thrown when command handling has raised an exception.
+     * 
+     * @author sk89q
+     */
+    private static class CommandHandlingException extends Exception {
+        private static final long serialVersionUID = 7912130636812036780L;
+    }
+
     /**
      * Thrown when a player has insufficient permissions.
      * 
      * @author sk89q
      */
-    private static class InsufficientPermissionsException extends Exception {
+    private static class InsufficientPermissionsException extends CommandHandlingException {
         private static final long serialVersionUID = 9087662707619954750L;
     }
     
@@ -1236,7 +1371,7 @@ public class WorldGuardPlugin extends JavaPlugin {
      * 
      * @author sk89q
      */
-    private static class InsufficientArgumentsException extends Exception {
+    private static class InsufficientArgumentsException extends CommandHandlingException {
         private static final long serialVersionUID = 4153597953889773788L;
         private final String help;
         

src/com/sk89q/worldguard/domains/DefaultDomain.java

@@ -98,6 +98,7 @@ public class DefaultDomain implements Domain {
     public String toGroupsString() {
         StringBuilder str = new StringBuilder();
         for (Iterator<String> it = groups.iterator(); it.hasNext(); ) {
+            str.append("*");
             str.append(it.next());
             if (it.hasNext()) {
                 str.append(", ");
@@ -105,4 +106,21 @@ public class DefaultDomain implements Domain {
         }
         return str.toString();
     }
+    
+    public String toUserFriendlyString() {
+        StringBuilder str = new StringBuilder();
+        if (players.size() > 0) {
+            str.append(toPlayersString());
+        }
+        
+        if (groups.size() > 0) {
+            if (str.length() > 0) {
+                str.append("; ");
+            }
+            
+            str.append(toGroupsString());
+        }
+        
+        return str.toString();
+    }
 }

src/com/sk89q/worldguard/protection/ApplicableRegionSet.java

@@ -19,6 +19,8 @@
 
 package com.sk89q.worldguard.protection;
 
+import java.util.HashSet;
+import java.util.Set;
 import java.util.SortedMap;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldguard.LocalPlayer;
@@ -30,175 +32,150 @@ import com.sk89q.worldguard.protection.AreaFlags.State;
  * @author sk89q
  */
 public class ApplicableRegionSet {
+    private GlobalFlags global;
     private Vector pt;
     private SortedMap<String,ProtectedRegion> regions;
     
-    public ApplicableRegionSet(Vector pt, SortedMap<String,ProtectedRegion> regions) {
+    /**
+     * Construct the object.
+     * 
+     * @param pt
+     * @param regions
+     * @param global
+     */
+    public ApplicableRegionSet(Vector pt, SortedMap<String,ProtectedRegion> regions,
+            GlobalFlags global) {
         this.pt = pt;
         this.regions = regions;
+        this.global = global;
     }
     
+    /**
+     * Checks if a player can build in an area.
+     * 
+     * @param player
+     * @return
+     */
     public boolean canBuild(LocalPlayer player) {
+        return isFlagAllowed(AreaFlags.FLAG_BUILD, global.canBuild, player);
+    }
+    
+    /**
+     * Checks a flag.
+     * 
+     * @param player
+     * @return
+     */
+    public boolean allowsFlag(String flag) {
+        boolean def = true;
+        
+        if (flag.equals(AreaFlags.FLAG_CHEST_ACCESS)) {
+            def = global.canAccessChests;
+        }
+        
+        return isFlagAllowed(flag, def, null);
+    }
+    
+    /**
+     * Checks to see if a flag is permitted.
+     * 
+     * @param def default state if there are no regions defined
+     * @param player null to not check owners and members
+     * @return
+     */
+    private boolean isFlagAllowed(String flag, boolean def, LocalPlayer player) {
         boolean found = false;
+        boolean allowed = false; // Used for ALLOW override
+        if (player == null) {
+            allowed = def;
+        }
         int lastPriority = 0;
+
+        // The algorithm is as follows:
+        // While iterating through the list of regions, if an entry disallows
+        // the flag, then put it into the needsClear set. If an entry allows
+        // the flag and it has a parent, then its parent is put into hasCleared.
+        // In the situation that the child is reached before the parent, upon
+        // the parent being reached, even if the parent disallows, because the
+        // parent will be in hasCleared, permission will be allowed. In the
+        // other case, where the parent is reached first, if it does not allow
+        // permissions, it will be placed into needsClear. If a child of
+        // the parent is reached later, the parent will be removed from
+        // needsClear. At the end, if needsClear is not empty, that means that
+        // permission should not be given. If a parent has multiple children
+        // and one child does not allow permissions, then it will be placed into
+        // needsClear just like as if was a parent.
+        
+        Set<ProtectedRegion> needsClear = new HashSet<ProtectedRegion>();
+        Set<ProtectedRegion> hasCleared = new HashSet<ProtectedRegion>();
         
         for (ProtectedRegion region : regions.values()) {
-            if (region.getFlags().allowBuild == State.ALLOW) continue;
-            if (!region.contains(pt)) continue;
-            
-            // Ignore lower priority regions
-            if (found && region.getPriority() < lastPriority) {
-                break;
+            // Ignore non-build regions
+            if (player != null && region.getFlags().get(AreaFlags.FLAG_PASSTHROUGH) == State.ALLOW) {
+                continue;
             }
             
-            if (!region.getOwners().contains(player)) {
+            // Forget about regions that are not covered
+            if (!region.contains(pt)) {
+                continue;
+            }
+            
+            // Allow DENY to override everything
+            if (region.getFlags().get(flag) == State.DENY) {
                 return false;
             }
             
-            found = true;
-            lastPriority = region.getPriority();
-        }
-        
-        return true;
-    }
-    
-    public boolean allowsPvP() {
-        boolean found = false;
-        int lastPriority = 0;
-        
-        for (ProtectedRegion region : regions.values()) {
-            if (!region.contains(pt)) continue;
-            if (region.getFlags().allowPvP == State.DENY) return false;
+            // Forget about regions that allow it, although make sure the
+            // default state is now to allow
+            if (region.getFlags().get(flag) == State.ALLOW) {
+                allowed = true;
+                found = true;
+                continue;
+            }
             
             // Ignore lower priority regions
             if (found && region.getPriority() < lastPriority) {
                 break;
             }
             
-            found = true;
-            lastPriority = region.getPriority();
-        }
-        
-        return true;
-    }
-    
-    public boolean allowsMobDamage() {
-        boolean found = false;
-        int lastPriority = 0;
-        
-        for (ProtectedRegion region : regions.values()) {
-            if (!region.contains(pt)) continue;
-            if (region.getFlags().allowMobDamage == State.DENY) return false;
-            
-            // Ignore lower priority regions
-            if (found && region.getPriority() < lastPriority) {
-                break;
+            if (player != null) {
+                if (hasCleared.contains(region)) {
+                    // Already cleared, so do nothing
+                } else {
+                    if (!region.isMember(player)) {
+                        needsClear.add(region);
+                    } else {
+                        // Need to clear all parents
+                        clearParents(needsClear, hasCleared, region);
+                    }
+                }
             }
             
             found = true;
             lastPriority = region.getPriority();
         }
         
-        return true;
+        return (found == false ? def : allowed)
+                || (player != null && needsClear.size() == 0);
     }
     
-    public boolean allowsCreeperExplosions() {
-        boolean found = false;
-        int lastPriority = 0;
+    /**
+     * Clear a region's parents for isFlagAllowed().
+     * 
+     * @param needsClear
+     * @param hasCleared
+     * @param region
+     */
+    private void clearParents(Set<ProtectedRegion> needsClear,
+            Set<ProtectedRegion> hasCleared, ProtectedRegion region) {
+        ProtectedRegion parent = region.getParent();
         
-        for (ProtectedRegion region : regions.values()) {
-            if (!region.contains(pt)) continue;
-            if (region.getFlags().allowCreeperExplosions == State.DENY) return false;
-            
-            // Ignore lower priority regions
-            if (found && region.getPriority() < lastPriority) {
-                break;
+        while (parent != null) {
+            if (!needsClear.remove(parent)) {
+                hasCleared.add(parent);
             }
             
-            found = true;
-            lastPriority = region.getPriority();
+            parent = parent.getParent();
         }
-        
-        return true;
-    }
-    
-    public boolean allowsTNT() {
-        boolean found = false;
-        int lastPriority = 0;
-        
-        for (ProtectedRegion region : regions.values()) {
-            if (!region.contains(pt)) continue;
-            if (region.getFlags().allowTNT == State.DENY) return false;
-            
-            // Ignore lower priority regions
-            if (found && region.getPriority() < lastPriority) {
-                break;
-            }
-            
-            found = true;
-            lastPriority = region.getPriority();
-        }
-        
-        return true;
-    }
-    
-    public boolean allowsLighter() {
-        boolean found = false;
-        int lastPriority = 0;
-        
-        for (ProtectedRegion region : regions.values()) {
-            if (!region.contains(pt)) continue;
-            if (region.getFlags().allowLighter == State.DENY) return false;
-            
-            // Ignore lower priority regions
-            if (found && region.getPriority() < lastPriority) {
-                break;
-            }
-            
-            found = true;
-            lastPriority = region.getPriority();
-        }
-        
-        return true;
-    }
-    
-    public boolean allowsFireSpread() {
-        boolean found = false;
-        int lastPriority = 0;
-        
-        for (ProtectedRegion region : regions.values()) {
-            if (!region.contains(pt)) continue;
-            if (region.getFlags().allowFireSpread == State.DENY) return false;
-            
-            // Ignore lower priority regions
-            if (found && region.getPriority() < lastPriority) {
-                break;
-            }
-            
-            found = true;
-            lastPriority = region.getPriority();
-        }
-        
-        return true;
-    }
-    
-    public boolean allowsLavaFire() {
-        boolean found = false;
-        int lastPriority = 0;
-        
-        for (ProtectedRegion region : regions.values()) {
-            if (!region.contains(pt)) continue;
-            if (region.getFlags().allowLavaFire == State.DENY) return false;
-            
-            // Ignore lower priority regions
-            if (found && region.getPriority() < lastPriority) {
-                break;
-            }
-            
-            found = true;
-            lastPriority = region.getPriority();
-        }
-        
-        return true;
     }
 }

src/com/sk89q/worldguard/protection/AreaFlags.java

@@ -19,7 +19,12 @@
 
 package com.sk89q.worldguard.protection;
 
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
 /**
+ * Holds the flags for a region.
  * 
  * @author sk89q
  */
@@ -30,14 +35,103 @@ public class AreaFlags {
         DENY,
     };
 
-    public State allowBuild = State.NONE;
-    public State allowPvP = State.NONE;
-    public State allowMobDamage = State.NONE;
-    public State allowCreeperExplosions = State.NONE;
-    public State allowTNT = State.NONE;
-    public State allowLighter = State.NONE;
-    public State allowFireSpread = State.NONE;
-    public State allowLavaFire = State.NONE;
+    public static final String FLAG_PASSTHROUGH = "z";
+    public static final String FLAG_BUILD = "b";
+    public static final String FLAG_PVP = "p";
+    public static final String FLAG_MOB_DAMAGE = "m";
+    public static final String FLAG_CREEPER_EXPLOSION = "c";
+    public static final String FLAG_TNT = "t";
+    public static final String FLAG_LIGHTER = "l";
+    public static final String FLAG_FIRE_SPREAD = "f";
+    public static final String FLAG_LAVA_FIRE = "F";
+    public static final String FLAG_CHEST_ACCESS = "c";
+    
+    /**
+     * Get the user-friendly name of a flag. If a name isn't known, then
+     * the flag is returned unchanged.
+     * 
+     * @param flag
+     * @return
+     */
+    public static String getFlagName(String flag) {
+        if (flag.equals(FLAG_PASSTHROUGH)) {
+            return "passthrough";
+        } else if (flag.equals(FLAG_BUILD)) {
+            return "build";
+        } else if (flag.equals(FLAG_PVP)) {
+            return "PvP";
+        } else if (flag.equals(FLAG_MOB_DAMAGE)) {
+            return "mob damage";
+        } else if (flag.equals(FLAG_CREEPER_EXPLOSION)) {
+            return "creeper explosion";
+        } else if (flag.equals(FLAG_TNT)) {
+            return "TNT";
+        } else if (flag.equals(FLAG_LIGHTER)) {
+            return "lighter";
+        } else if (flag.equals(FLAG_FIRE_SPREAD)) {
+            return "fire spread";
+        } else if (flag.equals(FLAG_LAVA_FIRE)) {
+            return "lava fire spread";
+        } else if (flag.equals(FLAG_CHEST_ACCESS)) {
+            return "chest access";
+        } else {
+            return flag;
+        }
+    }
+    
+    /**
+     * Gets a flag from an alias. May return null.
+     * 
+     * @param name
+     * @return
+     */
+    public static String fromAlias(String name) {
+        if (name.equalsIgnoreCase("passthrough")) {
+            return FLAG_PASSTHROUGH;
+        } else if (name.equalsIgnoreCase("build")) {
+            return FLAG_BUILD;
+        } else if (name.equalsIgnoreCase("pvp")) {
+            return FLAG_PVP;
+        } else if (name.equalsIgnoreCase("mobdamage")) {
+            return FLAG_MOB_DAMAGE;
+        } else if (name.equalsIgnoreCase("creeper")) {
+            return FLAG_CREEPER_EXPLOSION;
+        } else if (name.equalsIgnoreCase("tnt")) {
+            return FLAG_TNT;
+        } else if (name.equalsIgnoreCase("lighter")) {
+            return FLAG_LIGHTER;
+        } else if (name.equalsIgnoreCase("firespread")) {
+            return FLAG_FIRE_SPREAD;
+        } else if (name.equalsIgnoreCase("lavafirespread")) {
+            return FLAG_LAVA_FIRE;
+        } else if (name.equalsIgnoreCase("chest")) {
+            return FLAG_CHEST_ACCESS;
+        } else {
+            return null;
+        }
+    }
+    
+    private Map<String, State> states = new HashMap<String, State>();
+    
+    public State get(String flag) {
+        State state = states.get(flag);
+        if (state == null) {
+            return State.NONE;
+        }
+        return state;
+    }
+    
+    public void set(String flag, State state) {
+        if (state == State.NONE) {
+            states.remove(flag);
+        } else {
+            states.put(flag, state);
+        }
+    }
+    
+    public Set<Map.Entry<String, State>> entrySet() {
+        return states.entrySet();
+    }
     
     @Override
     public boolean equals(Object obj) {
@@ -46,14 +140,6 @@ public class AreaFlags {
         }
         
         AreaFlags other = (AreaFlags)obj;
-        
-        return other.allowBuild == allowBuild
-                && other.allowPvP == allowPvP
-                && other.allowMobDamage == allowMobDamage
-                && other.allowCreeperExplosions == allowCreeperExplosions
-                && other.allowTNT == allowTNT
-                && other.allowLighter == allowLighter
-                && other.allowFireSpread == allowFireSpread
-                && other.allowLavaFire == allowLavaFire;
+        return other.states.equals(this);
     }
 }

src/com/sk89q/worldguard/protection/CSVDatabase.java

@@ -20,6 +20,7 @@
 package com.sk89q.worldguard.protection;
 
 import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.logging.Logger;
 import java.util.regex.Matcher;
@@ -31,6 +32,8 @@ import com.sk89q.worldedit.BlockVector;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldguard.domains.DefaultDomain;
 import com.sk89q.worldguard.protection.AreaFlags.State;
+import com.sk89q.worldguard.protection.ProtectedRegion.CircularInheritanceException;
+import com.sk89q.worldguard.util.ArrayReader;
 
 /**
  * Represents a protected area database that uses CSV files.
@@ -82,7 +85,7 @@ public class CSVDatabase implements ProtectionDatabase {
                 
                 writer.writeNext(new String[] {
                         id,
-                        "cuboid",
+                        "cuboid.2",
                         String.valueOf(min.getBlockX()),
                         String.valueOf(min.getBlockY()),
                         String.valueOf(min.getBlockZ()),
@@ -90,9 +93,12 @@ public class CSVDatabase implements ProtectionDatabase {
                         String.valueOf(max.getBlockY()),
                         String.valueOf(max.getBlockZ()),
                         String.valueOf(cuboid.getPriority()),
+                        cuboid.getParent() != null ? cuboid.getParent().getId() : "",
                         writeDomains(cuboid.getOwners()),
+                        writeDomains(cuboid.getMembers()),
                         writeFlags(cuboid.getFlags()),
-                        cuboid.getEnterMessage(),
+                        cuboid.getEnterMessage() != null ? cuboid.getEnterMessage() : "",
+                        cuboid.getLeaveMessage() != null ? cuboid.getLeaveMessage() : "",
                         });
             }
         } finally {
@@ -110,6 +116,8 @@ public class CSVDatabase implements ProtectionDatabase {
     public void load() throws IOException {
         Map<String,ProtectedRegion> regions =
                 new HashMap<String,ProtectedRegion>();
+        Map<ProtectedRegion,String> parentSets =
+                new LinkedHashMap<ProtectedRegion, String>();
         
         CSVReader reader = new CSVReader(new FileReader(file));
         
@@ -117,16 +125,21 @@ public class CSVDatabase implements ProtectionDatabase {
             String[] line;
             
             while ((line = reader.readNext()) != null) {
-                if (line.length >= 12) {
-                    String type = line[1];
-                    if (!type.equalsIgnoreCase("cuboid")) {
-                        logger.warning("Only cuboid region types are supported: "
-                                + line);
-                        break;
-                        
+                if (line.length < 2) {
+                    logger.warning("Invalid region definition: " + line);
+                    continue;
+                }
+                
+                String id = line[0].toLowerCase();
+                String type = line[1];
+                ArrayReader<String> entries = new ArrayReader<String>(line);
+                
+                if (type.equalsIgnoreCase("cuboid")) {
+                    if (line.length < 8) {
+                        logger.warning("Invalid region definition: " + line);
+                        continue;
                     }
                     
-                    String id = line[0];
                     Vector pt1 = new Vector(
                             Integer.parseInt(line[2]),
                             Integer.parseInt(line[3]),
@@ -139,19 +152,51 @@ public class CSVDatabase implements ProtectionDatabase {
                     BlockVector min = Vector.getMinimum(pt1, pt2).toBlockVector();
                     BlockVector max = Vector.getMaximum(pt1, pt2).toBlockVector();
                     
-                    int priority = Integer.parseInt(line[8]);
-                    String ownersData = line[9];
-                    String flagsData = line[10];
-                    String enterMessage = line[11];
+                    int priority = entries.get(8) == null ? 0 : Integer.parseInt(entries.get(8));
+                    String ownersData = entries.get(9);
+                    String flagsData = entries.get(10);
+                    String enterMessage = nullEmptyString(entries.get(11));
                     
-                    ProtectedRegion region = new ProtectedCuboidRegion(min, max);
+                    ProtectedRegion region = new ProtectedCuboidRegion(id, min, max);
                     region.setPriority(priority);
+                    region.setFlags(parseFlags(flagsData));
                     region.setOwners(this.parseDomains(ownersData));
                     region.setEnterMessage(enterMessage);
-                    region.setFlags(parseFlags(flagsData));
                     regions.put(id, region);
-                } else {
-                    logger.warning("Line is invalid: " + line);
+                } else if (type.equalsIgnoreCase("cuboid.2")) {
+                    Vector pt1 = new Vector(
+                            Integer.parseInt(line[2]),
+                            Integer.parseInt(line[3]),
+                            Integer.parseInt(line[4]));
+                    Vector pt2 = new Vector(
+                            Integer.parseInt(line[5]),
+                            Integer.parseInt(line[6]),
+                            Integer.parseInt(line[7]));
+
+                    BlockVector min = Vector.getMinimum(pt1, pt2).toBlockVector();
+                    BlockVector max = Vector.getMaximum(pt1, pt2).toBlockVector();
+                    
+                    int priority = entries.get(8) == null ? 0 : Integer.parseInt(entries.get(8));
+                    String parentId = entries.get(9);
+                    String ownersData = entries.get(10);
+                    String membersData = entries.get(11);
+                    String flagsData = entries.get(12);
+                    String enterMessage = nullEmptyString(entries.get(13));
+                    String leaveMessage = nullEmptyString(entries.get(14));
+                    
+                    ProtectedRegion region = new ProtectedCuboidRegion(id, min, max);
+                    region.setPriority(priority);
+                    region.setFlags(parseFlags(flagsData));
+                    region.setOwners(this.parseDomains(ownersData));
+                    region.setMembers(this.parseDomains(membersData));
+                    region.setEnterMessage(enterMessage);
+                    region.setLeaveMessage(leaveMessage);
+                    regions.put(id, region);
+                    
+                    // Link children to parents later
+                    if (parentId.length() > 0) {
+                        parentSets.put(region, parentId);
+                    }
                 }
             }
         } finally {
@@ -161,6 +206,20 @@ public class CSVDatabase implements ProtectionDatabase {
             }
         }
         
+        for (Map.Entry<ProtectedRegion, String> entry : parentSets.entrySet()) {
+            ProtectedRegion parent = regions.get(entry.getValue());
+            if (parent != null) {
+                try {
+                    entry.getKey().setParent(parent);
+                } catch (CircularInheritanceException e) {
+                    logger.warning("Circular inheritance detect with '"
+                            + entry.getValue() + "' detected as a parent");
+                }
+            } else {
+                logger.warning("Unknown region parent: " + entry.getValue());
+            }
+        }
+        
         this.regions = regions;
     }
 
@@ -191,6 +250,10 @@ public class CSVDatabase implements ProtectionDatabase {
      * @return
      */
     private DefaultDomain parseDomains(String data) {
+        if (data == null) {
+            return new DefaultDomain();
+        }
+        
         DefaultDomain domain = new DefaultDomain();
         Pattern pattern = Pattern.compile("^([A-Za-z]):(.*)$");
         
@@ -230,33 +293,32 @@ public class CSVDatabase implements ProtectionDatabase {
      * @return
      */
     private AreaFlags parseFlags(String data) {
+        if (data == null) {
+            return new AreaFlags();
+        }
+        
         AreaFlags flags = new AreaFlags();
         State curState = State.ALLOW;
         
         for (int i = 0; i < data.length(); i++) {
-            char flag = data.charAt(i);
-            if (flag == '+') {
+            char k = data.charAt(i);
+            if (k == '+') {
                 curState = State.ALLOW;
-            } else if (flag == '-') {
+            } else if (k == '-') {
                 curState = State.DENY;
-            } else if (flag == 'b') {
-                flags.allowBuild = curState;
-            } else if (flag == 'p') {
-                flags.allowPvP = curState;
-            } else if (flag == 'm') {
-                flags.allowMobDamage = curState;
-            } else if (flag == 'c') {
-                flags.allowCreeperExplosions = curState;
-            } else if (flag == 't') {
-                flags.allowTNT = curState;
-            } else if (flag == 'l') {
-                flags.allowLighter = curState;
-            } else if (flag == 'f') {
-                flags.allowFireSpread = curState;
-            } else if (flag == 'F') {
-                flags.allowLavaFire = curState;
             } else {
-                logger.warning("Unknown area flag/flag modifier: " + flag);
+                String flag;
+                if (k == '_') {
+                    if (i == data.length() - 1) {
+                        logger.warning("_ read ahead fail");
+                        break;
+                    }
+                    flag = "_" + data.charAt(i + 1);
+                    i++;
+                } else {
+                    flag = String.valueOf(k);
+                }
+                flags.set(flag, curState);
             }
         }
         
@@ -302,6 +364,22 @@ public class CSVDatabase implements ProtectionDatabase {
         return "";
     }
     
+    /**
+     * Returns a null if a string is null or empty.
+     * 
+     * @param str
+     * @return
+     */
+    private String nullEmptyString(String str) {
+        if (str == null) {
+            return null;
+        } else if (str.length() == 0) {
+            return null;
+        } else {
+            return str;
+        }
+    }
+    
     /**
      * Used to write the list of flags.
      * 
@@ -310,14 +388,9 @@ public class CSVDatabase implements ProtectionDatabase {
      */
     private String writeFlags(AreaFlags flags) {
         StringBuilder str = new StringBuilder();
-        str.append(writeFlag(flags.allowBuild, "b"));
-        str.append(writeFlag(flags.allowPvP, "p"));
-        str.append(writeFlag(flags.allowMobDamage, "m"));
-        str.append(writeFlag(flags.allowCreeperExplosions, "c"));
-        str.append(writeFlag(flags.allowTNT, "t"));
-        str.append(writeFlag(flags.allowLighter, "l"));
-        str.append(writeFlag(flags.allowFireSpread, "f"));
-        str.append(writeFlag(flags.allowLavaFire, "F"));
+        for (Map.Entry<String, State> entry : flags.entrySet()) {
+            str.append(writeFlag(entry.getValue(), entry.getKey()));
+        }
         return str.toString();
     }
 

src/com/sk89q/worldguard/protection/FlatRegionManager.java

@@ -39,12 +39,17 @@ public class FlatRegionManager implements RegionManager {
      * List of protected regions.
      */
     private SortedMap<String,ProtectedRegion> regions;
+    /**
+     * Global flags.
+     */
+    private GlobalFlags global;
     
     /**
      * Construct the manager.
      */
-    public FlatRegionManager() {
+    public FlatRegionManager(GlobalFlags global) {
         regions = new TreeMap<String,ProtectedRegion>();
+        this.global = global;
     }
     
     /**
@@ -71,17 +76,27 @@ public class FlatRegionManager implements RegionManager {
      * @param id
      * @param region
      */
-    public void addRegion(String id, ProtectedRegion region) {
-        regions.put(id, region);
+    public void addRegion(ProtectedRegion region) {
+        regions.put(region.getId(), region);
     }
     
     /**
-     * Removes a region.
+     * Removes a region and its children.
      * 
      * @param id
      */
     public void removeRegion(String id) {
+        ProtectedRegion region = regions.get(id);
+        
         regions.remove(id);
+        
+        if (region != null) {
+            for (Map.Entry<String, ProtectedRegion> entry : regions.entrySet()) {
+                if (entry.getValue().getParent() == region) {
+                    removeRegion(entry.getKey());
+                }
+            }
+        }
     }
     
     /**
@@ -110,7 +125,7 @@ public class FlatRegionManager implements RegionManager {
      * @return
      */
     public ApplicableRegionSet getApplicableRegions(Vector pt) {
-        return new ApplicableRegionSet(pt, regions);
+        return new ApplicableRegionSet(pt, regions, global);
     }
     
     /**

src/com/sk89q/worldguard/protection/GlobalFlags.java

@@ -0,0 +1,30 @@
+// $Id$
+/*
+ * WorldGuard
+ * Copyright (C) 2010 sk89q <http://www.sk89q.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package com.sk89q.worldguard.protection;
+
+/**
+ * Used for default flags.
+ * 
+ * @author sk89q
+ */
+public class GlobalFlags {
+    public boolean canBuild = true;
+    public boolean canAccessChests = false;
+}

src/com/sk89q/worldguard/protection/ProtectedCuboidRegion.java

@@ -39,12 +39,13 @@ public class ProtectedCuboidRegion extends ProtectedRegion {
     /**
      * Construct a new instance of this cuboid region.
      *
+     * @param id
      * @param pos1
      * @param pos2
      * @param priority
      */
-    public ProtectedCuboidRegion(BlockVector min, BlockVector max) {
-        super();
+    public ProtectedCuboidRegion(String id, BlockVector min, BlockVector max) {
+        super(id);
         this.min = min;
         this.max = max;
     }
@@ -85,6 +86,9 @@ public class ProtectedCuboidRegion extends ProtectedRegion {
         max = pt;
     }
 
+    /**
+     * Checks to see if a point is inside this region.
+     */
     @Override
     public boolean contains(Vector pt) {
         int x = pt.getBlockX();
@@ -94,4 +98,13 @@ public class ProtectedCuboidRegion extends ProtectedRegion {
                 && y >= min.getBlockY() && y <= max.getBlockY()
                 && z >= min.getBlockZ() && z <= max.getBlockZ();
     }
+    
+    /**
+     * Return the type of region as a user-friendly name.
+     * 
+     * @return type of region
+     */
+    public String getTypeName() {
+        return "cuboid";
+    }
 }

src/com/sk89q/worldguard/protection/ProtectedRegion.java

@@ -21,6 +21,7 @@ package com.sk89q.worldguard.protection;
 
 import com.sk89q.worldedit.BlockVector;
 import com.sk89q.worldedit.Vector;
+import com.sk89q.worldguard.LocalPlayer;
 import com.sk89q.worldguard.domains.DefaultDomain;
 
 /**
@@ -30,34 +31,52 @@ import com.sk89q.worldguard.domains.DefaultDomain;
  */
 public abstract class ProtectedRegion implements Comparable<ProtectedRegion> {
     /**
-     * Area message.
+     * Holds the region's ID.
      */
-    private String enterMessage;
-    /**
-     * List of owners.
-     */
-    private DefaultDomain owners = new DefaultDomain();
+    private String id;
     /**
      * Priority.
      */
     private int priority = 0;
+    /**
+     * Parent region.
+     */
+    private ProtectedRegion parent;
+    /**
+     * List of owners.
+     */
+    private DefaultDomain owners = new DefaultDomain();
+    /**
+     * List of members.
+     */
+    private DefaultDomain members = new DefaultDomain();
     /**
      * Area flags.
      */
     private AreaFlags flags = new AreaFlags();
+    /**
+     * Area message.
+     */
+    private String enterMessage;
+    /**
+     * Area message.
+     */
+    private String leaveMessage;
 
     /**
      * Construct a new instance of this region.
      *
      * @param id
-     * @param priority
-     * @param owners
-     * @param enterMessage
      */
-    public ProtectedRegion() {
-        this.priority = 0;
-        this.owners = new DefaultDomain();
-        this.enterMessage = null;
+    public ProtectedRegion(String id) {
+        this.id = id;
+    }
+
+    /**
+     * @return the id
+     */
+    public String getId() {
+        return id;
     }
 
     /**
@@ -74,6 +93,41 @@ public abstract class ProtectedRegion implements Comparable<ProtectedRegion> {
         this.priority = priority;
     }
     
+    /**
+     * @return the parent
+     */
+    public ProtectedRegion getParent() {
+        return parent;
+    }
+
+    /**
+     * Set the parent. This checks to make sure that it will not result
+     * in circular inheritance.
+     * 
+     * @param parent the parent to set
+     * @throws CircularInheritanceException 
+     */
+    public void setParent(ProtectedRegion parent) throws CircularInheritanceException {
+        if (parent == null) {
+            this.parent = null;
+            return;
+        }
+        
+        if (parent == this) {
+            throw new CircularInheritanceException();
+        }
+        
+        ProtectedRegion p = parent.getParent();
+        while (p != null) {
+            if (p == this) {
+                throw new CircularInheritanceException();
+            }
+            p = p.getParent();
+        }
+        
+        this.parent = parent;
+    }
+
     /**
      * Se flags.
      * @param flags
@@ -95,6 +149,20 @@ public abstract class ProtectedRegion implements Comparable<ProtectedRegion> {
     public void setEnterMessage(String enterMessage) {
         this.enterMessage = enterMessage;
     }
+    
+    /**
+     * @return the leaveMessage
+     */
+    public String getLeaveMessage() {
+        return leaveMessage;
+    }
+
+    /**
+     * @param leaveMessage the leaveMessage to set
+     */
+    public void setLeaveMessage(String leaveMessage) {
+        this.leaveMessage = leaveMessage;
+    }
 
     /**
      * @return the owners
@@ -110,6 +178,67 @@ public abstract class ProtectedRegion implements Comparable<ProtectedRegion> {
         this.owners = owners;
     }
 
+    /**
+     * @return the members
+     */
+    public DefaultDomain getMembers() {
+        return members;
+    }
+
+    /**
+     * @param owners the owners to set
+     */
+    public void setMembers(DefaultDomain members) {
+        this.members = members;
+    }
+    
+    /**
+     * Checks whether a player is an owner of region or any of its parents.
+     * 
+     * @param player
+     * @return
+     */
+    public boolean isOwner(LocalPlayer player) {
+        if (owners.contains(player)) {
+            return true;
+        }
+        
+        ProtectedRegion parent = getParent();
+        while (parent != null) {
+            if (parent.getOwners().contains(player)) {
+                return true;
+            }
+            
+            parent = parent.getParent();
+        }
+        
+        return false;
+    }
+    
+    /**
+     * Checks whether a player is a member of the region or any of its parents.
+     * 
+     * @param player
+     * @return
+     */
+    public boolean isMember(LocalPlayer player) {
+        if (owners.contains(player) || members.contains(player)) {
+            return true;
+        }
+        
+        ProtectedRegion parent = getParent();
+        while (parent != null) {
+            if (parent.getOwners().contains(player)
+                    || parent.getMembers().contains(player)) {
+                return true;
+            }
+            
+            parent = parent.getParent();
+        }
+        
+        return false;
+    }
+
     /**
      * Get flags.
      * 
@@ -143,6 +272,13 @@ public abstract class ProtectedRegion implements Comparable<ProtectedRegion> {
         }
     }
     
+    /**
+     * Return the type of region as a user-friendly, lowercase name.
+     * 
+     * @return type of region
+     */
+    public abstract String getTypeName();
+    
     /**
      * Checks if two region intersects.
      * 
@@ -172,4 +308,13 @@ public abstract class ProtectedRegion implements Comparable<ProtectedRegion> {
             throw new UnsupportedIntersectionException();
         }
     }
+    
+    /**
+     * Thrown when setting a parent would create a circular inheritance
+     * situation.
+     * 
+     */
+    public static class CircularInheritanceException extends Exception {
+        private static final long serialVersionUID = 7479613488496776022L;
+    }
 }

src/com/sk89q/worldguard/protection/RegionManager.java

@@ -53,7 +53,7 @@ public interface RegionManager {
      * @param id
      * @param region
      */
-    public void addRegion(String id, ProtectedRegion region);
+    public void addRegion(ProtectedRegion region);
     
     /**
      * Return whether a region exists by an ID.
@@ -71,7 +71,7 @@ public interface RegionManager {
     public ProtectedRegion getRegion(String id);
     
     /**
-     * Removes a region.
+     * Removes a region, including inheriting children.
      * 
      * @param id
      */

src/com/sk89q/worldguard/util/ArrayReader.java

@@ -0,0 +1,44 @@
+// $Id$
+/*
+ * WorldGuard
+ * Copyright (C) 2010 sk89q <http://www.sk89q.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package com.sk89q.worldguard.util;
+
+public class ArrayReader<T> {
+    private T[] arr;
+    
+    public ArrayReader(T[] arr) {
+        this.arr = arr;
+    }
+    
+    public T get(int index) {
+        if (arr.length > index) {
+            return arr[index];
+        } else {
+            return null;
+        }
+    }
+    
+    public T get(int index, T def) {
+        if (arr.length > index) {
+            return arr[index];
+        } else {
+            return def;
+        }
+    }
+}

tests/com/sk89q/worldguard/TestPlayer.java

@@ -19,7 +19,6 @@
 
 package com.sk89q.worldguard;
 
-import java.util.List;
 import java.util.Set;
 import java.util.HashSet;
 import com.sk89q.worldedit.Vector;
@@ -72,7 +71,7 @@ public class TestPlayer extends LocalPlayer {
     }
 
     @Override
-    public List<String> getGroups() {
+    public String[] getGroups() {
         // TODO Auto-generated method stub
         return null;
     }

tests/com/sk89q/worldguard/protection/ApplicableRegionSetTest.java

@@ -26,17 +26,22 @@ import com.sk89q.worldedit.BlockVector;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldguard.TestPlayer;
 import com.sk89q.worldguard.domains.DefaultDomain;
+import com.sk89q.worldguard.protection.AreaFlags.State;
 
 public class ApplicableRegionSetTest {
     static String COURTYARD_ID = "courtyard";
     static String FOUNTAIN_ID = "fountain";
+    static String NO_FIRE_ID = "nofire";
     static String MEMBER_GROUP = "member";
     static String COURTYARD_GROUP = "courtyard";
 
     Vector inFountain = new Vector(2, 2, 2);
     Vector inCourtyard = new Vector(7, 7, 7);
     Vector outside = new Vector(15, 15, 15);
+    Vector inNoFire = new Vector(150, 150, 150);
     RegionManager manager;
+    ProtectedRegion courtyard;
+    ProtectedRegion fountain;
     TestPlayer player1;
     TestPlayer player2;
 
@@ -47,6 +52,7 @@ public class ApplicableRegionSetTest {
         setUpPlayers();
         setUpCourtyardRegion();
         setUpFountainRegion();
+        setUpNoFireRegion();
     }
     
     void setUpPlayers() {
@@ -62,24 +68,41 @@ public class ApplicableRegionSetTest {
         DefaultDomain domain = new DefaultDomain();
         domain.addGroup(COURTYARD_GROUP);
         
-        ProtectedRegion region = new ProtectedCuboidRegion(
+        ProtectedRegion region = new ProtectedCuboidRegion(COURTYARD_ID,
                 new BlockVector(0, 0, 0), new BlockVector(10, 10, 10));
         AreaFlags flags = new AreaFlags();
-        flags.allowBuild = AreaFlags.State.NONE;
-        flags.allowFireSpread = AreaFlags.State.ALLOW;
+        flags.set(AreaFlags.FLAG_BUILD, State.NONE);
+        flags.set(AreaFlags.FLAG_FIRE_SPREAD, State.ALLOW);
         region.setFlags(flags);
         region.setOwners(domain);
-        manager.addRegion(COURTYARD_ID, region);
+        manager.addRegion(region);
+        
+        courtyard = region;
     }
     
-    void setUpFountainRegion() {
-        ProtectedRegion region = new ProtectedCuboidRegion(
+    void setUpFountainRegion() throws Exception {
+        DefaultDomain domain = new DefaultDomain();
+        domain.addGroup(MEMBER_GROUP);
+        
+        ProtectedRegion region = new ProtectedCuboidRegion(FOUNTAIN_ID,
                 new BlockVector(0, 0, 0), new BlockVector(5, 5, 5));
         AreaFlags flags = new AreaFlags();
-        flags.allowBuild = AreaFlags.State.ALLOW;
-        flags.allowFireSpread = AreaFlags.State.DENY;
+        flags.set(AreaFlags.FLAG_FIRE_SPREAD, State.DENY);
         region.setFlags(flags);
-        manager.addRegion(FOUNTAIN_ID, region);
+        region.setMembers(domain);
+        manager.addRegion(region);
+
+        fountain = region;
+        fountain.setParent(courtyard);
+    }
+    
+    void setUpNoFireRegion() throws Exception {
+        ProtectedRegion region = new ProtectedCuboidRegion(NO_FIRE_ID,
+                new BlockVector(100, 100, 100), new BlockVector(200, 200, 200));
+        AreaFlags flags = new AreaFlags();
+        flags.set(AreaFlags.FLAG_FIRE_SPREAD, State.DENY);
+        region.setFlags(flags);
+        manager.addRegion(region);
     }
     
     @Test
@@ -88,13 +111,17 @@ public class ApplicableRegionSetTest {
         
         // Outside
         appl = manager.getApplicableRegions(outside);
-        assertTrue(appl.allowsFireSpread());
+        assertTrue(appl.allowsFlag(AreaFlags.FLAG_FIRE_SPREAD));
         // Inside courtyard
         appl = manager.getApplicableRegions(inCourtyard);
-        assertTrue(appl.allowsFireSpread());
+        assertTrue(appl.allowsFlag(AreaFlags.FLAG_FIRE_SPREAD));
         // Inside fountain
         appl = manager.getApplicableRegions(inFountain);
-        assertFalse(appl.allowsFireSpread());
+        assertFalse(appl.allowsFlag(AreaFlags.FLAG_FIRE_SPREAD));
+
+        // Inside no fire zone
+        appl = manager.getApplicableRegions(inNoFire);
+        assertFalse(appl.allowsFlag(AreaFlags.FLAG_FIRE_SPREAD));
     }
     
     @Test

tests/com/sk89q/worldguard/protection/CSVDatabaseTest.java

@@ -28,6 +28,7 @@ import org.junit.Test;
 import static org.junit.Assert.*;
 import com.sk89q.worldedit.BlockVector;
 import com.sk89q.worldguard.domains.DefaultDomain;
+import com.sk89q.worldguard.protection.AreaFlags.State;
 
 public class CSVDatabaseTest {
     @Before
@@ -63,9 +64,9 @@ public class CSVDatabaseTest {
     
     private void checkTestRegion1(ProtectedRegion region) {
         AreaFlags flags = new AreaFlags();
-        flags.allowFireSpread = AreaFlags.State.ALLOW;
-        flags.allowPvP = AreaFlags.State.DENY;
-        flags.allowLighter = AreaFlags.State.DENY;
+        flags.set(AreaFlags.FLAG_FIRE_SPREAD, State.ALLOW);
+        flags.set(AreaFlags.FLAG_PVP, State.DENY);
+        flags.set(AreaFlags.FLAG_LIGHTER, State.DENY);
         region.setFlags(flags);
         
         assertEquals(region.getFlags(), flags);
@@ -75,12 +76,12 @@ public class CSVDatabaseTest {
         BlockVector min = new BlockVector(1, 2, 3);
         BlockVector max = new BlockVector(4, 5, 6);
         
-        ProtectedRegion region = new ProtectedCuboidRegion(min, max);
+        ProtectedRegion region = new ProtectedCuboidRegion("test2", min, max);
         
         AreaFlags flags = new AreaFlags();
-        flags.allowFireSpread = AreaFlags.State.ALLOW;
-        flags.allowPvP = AreaFlags.State.DENY;
-        flags.allowLighter = AreaFlags.State.DENY;
+        flags.set(AreaFlags.FLAG_FIRE_SPREAD, State.ALLOW);
+        flags.set(AreaFlags.FLAG_PVP, State.DENY);
+        flags.set(AreaFlags.FLAG_LIGHTER, State.DENY);
         region.setFlags(flags);
         
         DefaultDomain domain = new DefaultDomain();
@@ -101,12 +102,12 @@ public class CSVDatabaseTest {
         BlockVector min = new BlockVector(7, 8, 9);
         BlockVector max = new BlockVector(10, 11, 12);
         
-        ProtectedRegion region = new ProtectedCuboidRegion(min, max);
+        ProtectedRegion region = new ProtectedCuboidRegion("test2", min, max);
         
         AreaFlags flags = new AreaFlags();
-        flags.allowFireSpread = AreaFlags.State.DENY;
-        flags.allowPvP = AreaFlags.State.ALLOW;
-        flags.allowMobDamage = AreaFlags.State.DENY;
+        flags.set(AreaFlags.FLAG_FIRE_SPREAD, State.ALLOW);
+        flags.set(AreaFlags.FLAG_PVP, State.ALLOW);
+        flags.set(AreaFlags.FLAG_LIGHTER, State.DENY);
         region.setFlags(flags);
         
         DefaultDomain domain = new DefaultDomain();