Added handling for weather events. Depends on my craftbukkit pull request.

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

@@ -65,6 +65,8 @@ public void registerEvents() {
         pm.registerEvent(Event.Type.ENTITY_EXPLODE, this, Priority.High, plugin);
         pm.registerEvent(Event.Type.CREATURE_SPAWN, this, Priority.High, plugin);
         pm.registerEvent(Event.Type.ENTITY_INTERACT, this, Priority.High, plugin);
+        pm.registerEvent(Event.Type.CREEPER_POWER, this, Priority.High, plugin);
+        pm.registerEvent(Event.Type.PIG_ZAP, this, Priority.High, plugin);
     }
 
     @Override
@@ -423,6 +425,37 @@ public void onCreatureSpawn(CreatureSpawnEvent event) {
         }
     }
 
+    /**
+     * Weather related entity events.
+     */
+    @Override
+    public void onPigZap(PigZapEvent event) {
+        if (event.isCancelled()) {
+           return;
+        }
+
+        ConfigurationManager cfg = plugin.getGlobalConfiguration();
+        WorldConfiguration wcfg = cfg.get(event.getEntity().getWorld());
+
+        if (wcfg.disablePigZap) {
+            event.setCancelled(true);
+        }
+    }
+
+    @Override
+    public void onCreeperPower(CreeperPowerEvent event) {
+        if (event.isCancelled()) {
+           return;
+        }
+
+        ConfigurationManager cfg = plugin.getGlobalConfiguration();
+        WorldConfiguration wcfg = cfg.get(event.getEntity().getWorld());
+
+        if (wcfg.disableCreeperPower) {
+            event.setCancelled(true);
+        }
+    }
+
     /**
      * Find a position for the player to stand that is not inside a block.
      * Blocks above the player will be iteratively tested until there is

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

@@ -132,6 +132,7 @@ public void onEnable() {
         (new WorldGuardPlayerListener(this)).registerEvents();
         (new WorldGuardBlockListener(this)).registerEvents();
         (new WorldGuardEntityListener(this)).registerEvents();
+        (new WorldGuardWeatherListener(this)).registerEvents();
 
         // 25 equals about 1s real time
         getServer().getScheduler().scheduleSyncRepeatingTask(

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

@@ -0,0 +1,134 @@
+// $Id$
+/*
+ * 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.bukkit;
+
+import org.bukkit.block.Block;
+import org.bukkit.event.Event.Priority;
+import org.bukkit.event.Event;
+import org.bukkit.plugin.PluginManager;
+import org.bukkit.ChatColor;
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.entity.*;
+import org.bukkit.event.weather.*;
+import org.bukkit.event.entity.*;
+import org.bukkit.event.entity.PigZapEvent;
+import org.bukkit.event.entity.CreeperPowerEvent;
+
+import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.blocks.BlockType;
+
+import static com.sk89q.worldguard.bukkit.BukkitUtil.*;
+
+import com.sk89q.worldguard.protection.flags.DefaultFlag;
+import com.sk89q.worldguard.protection.managers.RegionManager;
+import com.sk89q.worldguard.protection.ApplicableRegionSet;
+
+public class WorldGuardWeatherListener extends WeatherListener {
+
+    /**
+     * Plugin.
+     */
+    private WorldGuardPlugin plugin;
+
+    /**
+     * Construct the object;
+     *
+     * @param plugin
+     */
+    public WorldGuardWeatherListener(WorldGuardPlugin plugin) {
+        this.plugin = plugin;
+    }
+
+    public void registerEvents() {
+        PluginManager pm = plugin.getServer().getPluginManager();
+
+        pm.registerEvent(Event.Type.LIGHTNING_STRIKE, this, Priority.High, plugin);
+        pm.registerEvent(Event.Type.THUNDER_CHANGE, this, Priority.High, plugin);
+        pm.registerEvent(Event.Type.WEATHER_CHANGE, this, Priority.High, plugin);
+    }
+
+    @Override
+    public void onWeatherChange(WeatherChangeEvent event) {
+        if (event.isCancelled()) {
+           return;
+        }
+        ConfigurationManager cfg = plugin.getGlobalConfiguration();
+        WorldConfiguration wcfg = cfg.get(event.getWorld());
+
+        if (event.toWeatherState()) {
+            if (wcfg.disableWeather) {
+                event.setCancelled(true);
+            }
+        } else {
+            if (!wcfg.disableWeather && wcfg.alwaysRaining) {
+                event.setCancelled(true);
+            }
+        }
+    }
+
+    @Override
+    public void onThunderChange(ThunderChangeEvent event) {
+        if (event.isCancelled()) {
+           return;
+        }
+
+        ConfigurationManager cfg = plugin.getGlobalConfiguration();
+        WorldConfiguration wcfg = cfg.get(event.getWorld());
+
+        if (event.toThunderState()) {
+            if (wcfg.disableThunder) {
+                event.setCancelled(true);
+            }
+        } else {
+            if (!wcfg.disableWeather && wcfg.alwaysThundering) {
+                event.setCancelled(true);
+            }
+        }
+    }
+
+    @Override
+    public void onLightningStrike(LightningStrikeEvent event) {
+        if (event.isCancelled()) {
+           return;
+        }
+
+        ConfigurationManager cfg = plugin.getGlobalConfiguration();
+        WorldConfiguration wcfg = cfg.get(event.getWorld());
+
+        if (wcfg.disallowedLightningBlocks.size() > 0) {
+            int targetId = event.getLightning().getLocation().getBlock().getTypeId();
+            if (wcfg.disallowedLightningBlocks.contains(targetId)) {
+                event.setCancelled(true);
+            }
+        }
+
+        Location loc = event.getLightning().getLocation();
+        if (wcfg.useRegions) {
+            Vector pt = toVector(loc);
+            RegionManager mgr = plugin.getGlobalRegionManager().get(loc.getWorld());
+            ApplicableRegionSet set = mgr.getApplicableRegions(pt);
+
+            if (!set.allows(DefaultFlag.LIGHTNING)) {
+                event.setCancelled(true);
+            }
+        }
+    }
+
+}

src/com/sk89q/worldguard/protection/flags/DefaultFlag.java

@@ -29,13 +29,14 @@ public final class DefaultFlag {
     public static final StateFlag BUILD = new StateFlag("build", 'b', true);
     public static final StateFlag PVP = new StateFlag("pvp", 'p', true);
     public static final StateFlag MOB_DAMAGE = new StateFlag("mob-damage", 'm', true);
-    public static final StateFlag MOB_SPAWNING = new StateFlag("mob-spawning", true);
+    public static final StateFlag MOB_SPAWNING = new StateFlag("mob-spawning", 'M', true);
     public static final StateFlag CREEPER_EXPLOSION = new StateFlag("creeper-explosion", 'c', true);
     public static final StateFlag SLEEP = new StateFlag("sleep", true);
     public static final StateFlag TNT = new StateFlag("tnt", 't', true);
     public static final StateFlag LIGHTER = new StateFlag("lighter", 'l', true);
     public static final StateFlag FIRE_SPREAD = new StateFlag("fire-spread", 'f', true);
     public static final StateFlag LAVA_FIRE = new StateFlag("lava-fire", 'F', true);
+    public static final StateFlag LIGHTNING = new StateFlag("lightning", true);
     public static final StateFlag CHEST_ACCESS = new StateFlag("chest-access", 'C', false);
     public static final StateFlag WATER_FLOW = new StateFlag("water-flow", true);
     public static final StateFlag LAVA_FLOW = new StateFlag("lava-flow", true);
@@ -56,11 +57,12 @@ public final class DefaultFlag {
     public static final DoubleFlag PRICE = new DoubleFlag("price");
     
     public static final Flag<?>[] flagsList = new Flag<?>[] {
-        PASSTHROUGH, BUILD, PVP, MOB_DAMAGE, MOB_SPAWNING, CREEPER_EXPLOSION, SLEEP,
+        PASSTHROUGH, BUILD, PVP, MOB_DAMAGE, MOB_SPAWNING, CREEPER_EXPLOSION,
-        TNT, LIGHTER, FIRE_SPREAD, LAVA_FIRE, CHEST_ACCESS, WATER_FLOW, LAVA_FLOW,
+        TNT, LIGHTER, FIRE_SPREAD, LAVA_FIRE, LIGHTNING, CHEST_ACCESS,
-        USE, PLACE_VEHICLE, GREET_MESSAGE, FAREWELL_MESSAGE, NOTIFY_GREET,
+        WATER_FLOW, LAVA_FLOW, USE, PLACE_VEHICLE, GREET_MESSAGE,
-        NOTIFY_FAREWELL, DENY_SPAWN, HEAL_DELAY, HEAL_AMOUNT, TELE_LOC,
+        FAREWELL_MESSAGE, NOTIFY_GREET, NOTIFY_FAREWELL, DENY_SPAWN,
-        TELE_PERM, SPAWN_LOC, SPAWN_PERM, BUYABLE, PRICE
+        HEAL_DELAY, HEAL_AMOUNT, TELE_LOC,TELE_PERM, SPAWN_LOC, SPAWN_PERM,
+        BUYABLE, PRICE, SLEEP
     };
     
     private DefaultFlag() {