Add biome support

Add a BiomeTypes interface
Add methods in ServerInterface to retrieve the implemented BiomeTypes
Add a getBiome method to LocalWorld and subclasses
Add /biomeinfo & /biomelist commands
Add a BiomeTypeMask
Closes #181

src/main/java/com/sk89q/worldedit/bukkit/BukkitBiomeTypes.java

@@ -0,0 +1,47 @@
+package com.sk89q.worldedit.bukkit;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+import org.bukkit.block.Biome;
+
+import com.sk89q.worldedit.BiomeType;
+import com.sk89q.worldedit.BiomeTypes;
+import com.sk89q.worldedit.UnknownBiomeTypeException;
+
+public class BukkitBiomeTypes implements BiomeTypes {
+
+    public BukkitBiomeTypes() {
+    }
+
+    @Override
+    public boolean has(String name) {
+        try {
+            Biome.valueOf(name.toUpperCase(Locale.ENGLISH));
+            return true;
+        } catch (IllegalArgumentException exc) {
+            return false;
+        }
+    }
+
+    @Override
+    public BiomeType get(String name) throws UnknownBiomeTypeException {
+        try {
+            Biome biome = Biome.valueOf(name.toUpperCase(Locale.ENGLISH));
+            return new BiomeType(biome.name());
+        } catch (IllegalArgumentException exc) {
+            throw new UnknownBiomeTypeException(name);
+        }
+    }
+
+    @Override
+    public List<BiomeType> all() {
+        List<BiomeType> biomes = new ArrayList<BiomeType>();
+        for (Biome biome : Biome.values()) {
+            biomes.add(new BiomeType(biome.name()));
+        }
+        return biomes;
+    }
+
+}

src/main/java/com/sk89q/worldedit/bukkit/BukkitServerInterface.java

@@ -36,6 +36,7 @@ import org.bukkit.Server;
 import org.bukkit.World;
 import org.bukkit.entity.EntityType;
 
+import com.sk89q.worldedit.BiomeTypes;
 import com.sk89q.worldedit.LocalWorld;
 import com.sk89q.worldedit.ServerInterface;
 
@@ -43,10 +44,12 @@ public class BukkitServerInterface extends ServerInterface {
     public Server server;
     public WorldEditPlugin plugin;
     private CommandRegistration dynamicCommands;
+    private BukkitBiomeTypes biomes;
 
     public BukkitServerInterface(WorldEditPlugin plugin, Server server) {
         this.plugin = plugin;
         this.server = server;
+        this.biomes = new BukkitBiomeTypes();
         dynamicCommands = new CommandRegistration(plugin);
     }
 
@@ -67,6 +70,11 @@ public class BukkitServerInterface extends ServerInterface {
         plugin.loadConfiguration();
     }
 
+    @Override
+    public BiomeTypes getBiomes() {
+        return biomes;
+    }
+
     @Override
     public int schedule(long delay, long period, Runnable task) {
         return Bukkit.getScheduler().scheduleSyncRepeatingTask(plugin, task, delay, period);

src/main/java/com/sk89q/worldedit/bukkit/BukkitWorld.java

@@ -25,6 +25,7 @@ import java.util.Map;
 
 import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.util.TreeGenerator;
+import org.bukkit.block.Biome;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockState;
 import org.bukkit.block.Chest;
@@ -53,6 +54,7 @@ import org.bukkit.Material;
 import org.bukkit.TreeType;
 import org.bukkit.World;
 
+import com.sk89q.worldedit.BiomeType;
 import com.sk89q.worldedit.BlockVector2D;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.LocalWorld;
@@ -195,6 +197,17 @@ public class BukkitWorld extends LocalWorld {
         return world.getBlockAt(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ()).getLightLevel();
     }
 
+    /**
+     * Get biome type
+     *
+     * @param pt
+     * @return
+     */
+    public BiomeType getBiome(Vector2D pt) {
+        Biome bukkitBiome = world.getBiome(pt.getBlockX(), pt.getBlockZ());
+        return new BiomeType(bukkitBiome.name());
+    }
+
     /**
      * Regenerate an area.
      *