From 1cb9ddf9fe66a8b852f52f567334876395a4129f Mon Sep 17 00:00:00 2001
From: KHobbits <rob@khobbits.co.uk>
Date: Sun, 23 Jun 2013 16:11:24 +0100
Subject: [PATCH] [Feature] Allow the placing of spawners with predefined
 network id's (/i spawner:50) [Permission] essentials.spawnerconvert.<mobname>
 - Allow the placing of specific mobspawners with premade network id's.

---
 .../essentials/EssentialsBlockListener.java   | 40 +++++++++++++++----
 .../src/com/earth2me/essentials/Mob.java      |  7 ++++
 2 files changed, 39 insertions(+), 8 deletions(-)

diff --git a/Essentials/src/com/earth2me/essentials/EssentialsBlockListener.java b/Essentials/src/com/earth2me/essentials/EssentialsBlockListener.java
index 1dd37ef2d..19258c55b 100644
--- a/Essentials/src/com/earth2me/essentials/EssentialsBlockListener.java
+++ b/Essentials/src/com/earth2me/essentials/EssentialsBlockListener.java
@@ -1,7 +1,12 @@
 package com.earth2me.essentials;
 
 import com.earth2me.essentials.utils.LocationUtil;
+import java.util.Locale;
 import org.bukkit.GameMode;
+import org.bukkit.Material;
+import org.bukkit.block.BlockState;
+import org.bukkit.block.CreatureSpawner;
+import org.bukkit.entity.EntityType;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
@@ -28,19 +33,38 @@ public class EssentialsBlockListener implements Listener
 		{
 			return;
 		}
+
+		if (is.getType() == Material.MOB_SPAWNER && event.getItemInHand() != null && event.getPlayer() != null
+			&& event.getItemInHand().getType() == Material.MOB_SPAWNER)
+		{
+			final BlockState blockState = event.getBlockPlaced().getState();
+			if (blockState instanceof CreatureSpawner)
+			{
+				final CreatureSpawner spawner = (CreatureSpawner)blockState;
+				final EntityType type = EntityType.fromId(event.getItemInHand().getData().getData());
+				if (type != null && Mob.fromBukkitType(type) != null)
+				{
+					if (ess.getUser(event.getPlayer()).isAuthorized("essentials.spawnerconvert." + Mob.fromBukkitType(type).name().toLowerCase(Locale.ENGLISH)))
+					{
+						spawner.setSpawnedType(type);
+					}
+				}
+			}
+		}
+
 		final User user = ess.getUser(event.getPlayer());
 		if (user.hasUnlimited(is) && user.getGameMode() == GameMode.SURVIVAL)
 		{
 			ess.scheduleSyncDelayedTask(
 					new Runnable()
-					{
-						@Override
-						public void run()
-						{
-							user.getInventory().addItem(is);
-							user.updateInventory();
-						}
-					});
+			{
+				@Override
+				public void run()
+				{
+					user.getInventory().addItem(is);
+					user.updateInventory();
+				}
+			});
 		}
 	}
 }
diff --git a/Essentials/src/com/earth2me/essentials/Mob.java b/Essentials/src/com/earth2me/essentials/Mob.java
index b08281df4..3afcf1b85 100644
--- a/Essentials/src/com/earth2me/essentials/Mob.java
+++ b/Essentials/src/com/earth2me/essentials/Mob.java
@@ -50,6 +50,7 @@ public enum Mob
 	MINECART_FURNACE("FurnaceMinecart", Enemies.NEUTRAL, EntityType.MINECART_FURNACE),
 	MINECART_TNT("TNTMinecart", Enemies.NEUTRAL, EntityType.MINECART_TNT),
 	MINECART_HOPPER("HopperMinecart", Enemies.NEUTRAL, EntityType.MINECART_HOPPER),
+	MINECART_MOB_SPAWNER("SpawnerMinecart", Enemies.NEUTRAL, EntityType.MINECART_MOB_SPAWNER),
 	ENDERCRYSTAL("EnderCrystal", Enemies.NEUTRAL, EntityType.ENDER_CRYSTAL),
 	EXPERIENCEORB("ExperienceOrb", Enemies.NEUTRAL, EntityType.EXPERIENCE_ORB);
 	public static final Logger logger = Logger.getLogger("Minecraft");
@@ -73,12 +74,14 @@ public enum Mob
 	final public Enemies type;
 	final private EntityType bukkitType;
 	private static final Map<String, Mob> hashMap = new HashMap<String, Mob>();
+	private static final Map<EntityType, Mob> bukkitMap = new HashMap<EntityType, Mob>();
 
 	static
 	{
 		for (Mob mob : Mob.values())
 		{
 			hashMap.put(mob.name.toLowerCase(Locale.ENGLISH), mob);
+			bukkitMap.put(mob.bukkitType, mob);
 		}
 	}
 
@@ -127,6 +130,10 @@ public enum Mob
 		return hashMap.get(name.toLowerCase(Locale.ENGLISH));
 	}
 
+	public static Mob fromBukkitType(final EntityType type)
+	{
+		return bukkitMap.get(type);
+	}
 
 	public static class MobException extends Exception
 	{