Added the arctic biome

src/main/java/biomesoplenty/api/biome/BOPBiomes.java

@@ -15,4 +15,5 @@ import net.minecraft.world.biome.BiomeGenBase;
 public class BOPBiomes
 {
     public static Optional<BiomeGenBase> alps = Optional.absent();
+    public static Optional<BiomeGenBase> arctic = Optional.absent();
 }

src/main/java/biomesoplenty/common/biome/overworld/BiomeGenArctic.java

@@ -0,0 +1,49 @@
+/*******************************************************************************
+ * Copyright 2015, the Biomes O' Plenty Team
+ * 
+ * This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Public License.
+ * 
+ * To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/.
+ ******************************************************************************/
+
+package biomesoplenty.common.biome.overworld;
+
+import net.minecraft.util.BlockPos;
+import net.minecraftforge.common.BiomeManager.BiomeType;
+import biomesoplenty.api.biome.BOPBiome;
+import biomesoplenty.api.biome.generation.GeneratorStage;
+import biomesoplenty.api.block.BOPBlocks;
+import biomesoplenty.common.block.BlockGem;
+import biomesoplenty.common.block.BlockGem.GemType;
+import biomesoplenty.common.world.feature.GeneratorOreSingle;
+
+public class BiomeGenArctic extends BOPBiome
+{
+    private static final Height biomeHeight = new Height(0F, 0F);
+    
+    public BiomeGenArctic()
+    {
+        this.setHeight(biomeHeight);
+        this.setColor(14540253);
+        this.setEnableSnow();
+        this.setTemperatureRainfall(0.05F, 0.5F);
+
+        this.addWeight(BiomeType.ICY, 10);
+
+        this.spawnableCreatureList.clear();
+        
+        this.addGenerator("tanzanite", GeneratorStage.SAND, new GeneratorOreSingle(BOPBlocks.gem_ore.getDefaultState().withProperty(BlockGem.VARIANT, GemType.TANZANITE), 12, 4, 32));
+    }
+    
+    @Override
+    public int getGrassColorAtPos(BlockPos pos)
+    {
+        return 11176526;
+    }
+
+    @Override
+    public int getFoliageColorAtPos(BlockPos pos)
+    {
+        return 11903827;
+    }
+}

src/main/java/biomesoplenty/common/init/ModBiomes.java

@@ -8,7 +8,7 @@
 
 package biomesoplenty.common.init;
 
-import static biomesoplenty.api.biome.BOPBiomes.alps;
+import static biomesoplenty.api.biome.BOPBiomes.*;
 
 import java.io.File;
 import java.io.IOException;
@@ -18,6 +18,7 @@ import net.minecraft.world.biome.BiomeGenBase;
 import org.apache.commons.io.FileUtils;
 
 import biomesoplenty.common.biome.overworld.BiomeGenAlps;
+import biomesoplenty.common.biome.overworld.BiomeGenArctic;
 import biomesoplenty.common.command.BOPCommand;
 import biomesoplenty.common.util.config.JsonBiome;
 import biomesoplenty.common.world.WorldTypeBOP;
@@ -43,6 +44,7 @@ public class ModBiomes
     private static void registerBiomes()
     {
         alps = registerBiome(new BiomeGenAlps().setBiomeName("Alps"), "alps");
+        arctic = registerBiome(new BiomeGenArctic().setBiomeName("Arctic"), "arctic");
     }
 
     private static void registerExternalBiomes()