add mob arena support, to prevent drop transfer in mob arenas

src/main/java/com/griefcraft/lwc/LWC.java

@@ -89,6 +89,7 @@
 import com.griefcraft.modules.modes.PersistModule;
 import com.griefcraft.modules.modify.ModifyModule;
 import com.griefcraft.modules.owners.OwnersModule;
+import com.griefcraft.modules.pluginsupport.MobArena;
 import com.griefcraft.modules.redstone.RedstoneModule;
 import com.griefcraft.modules.setup.BaseSetupModule;
 import com.griefcraft.modules.setup.DatabaseSetupModule;
@@ -1441,6 +1442,9 @@ private void registerCoreModules() {
         registerModule(new HistoryModule());
         registerModule(new ConfirmModule());
 
+        // plugin support
+        registerModule(new MobArena());
+
         // admin commands
         registerModule(new BaseAdminModule());
         registerModule(new AdminCache());

src/main/java/com/griefcraft/modules/pluginsupport/MobArena.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2011 Tyler Blair. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and contributors and should not be interpreted as representing official policies,
+ * either expressed or implied, of anybody else.
+ */
+
+package com.griefcraft.modules.pluginsupport;
+
+import com.griefcraft.lwc.LWC;
+import com.griefcraft.scripting.JavaModule;
+import com.griefcraft.scripting.event.LWCDropItemEvent;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.Plugin;
+
+public class MobArena extends JavaModule {
+
+    /**
+     * Mobarena instance
+     */
+    private com.garbagemule.MobArena.MobArena mobarena;
+
+    public void load(LWC lwc) {
+        Plugin plugin = Bukkit.getServer().getPluginManager().getPlugin("MobArena");
+
+        if (plugin != null) {
+            mobarena = (com.garbagemule.MobArena.MobArena) plugin;
+            lwc.log("Enabled plugin support for MobArena");
+        }
+    }
+
+    /**
+     * MobArena allows you to spawn items. This can be dangerous if using drop transfer which you can drop
+     * items into a chest. So we block LWC's drop item event if the player is inside of an arena
+     *
+     * @param event
+     */
+    @Override
+    public void onDropItem(LWCDropItemEvent event) {
+        Player player = event.getPlayer();
+
+        if (mobarena != null && mobarena.getArenaMaster().getArenaAtLocation(player.getLocation()) != null) {
+            event.setCancelled(true);
+        }
+    }
+
+}