BiomesOPlenty/common/biomesoplenty/biomes/vanilla/BiomeGenHillsNew.java

package biomesoplenty.biomes.vanilla;

import java.util.Random;

import net.minecraft.block.Block;
import net.minecraft.world.World;
import net.minecraft.world.biome.BiomeGenBase;
import net.minecraft.world.gen.feature.WorldGenMinable;
import net.minecraft.world.gen.feature.WorldGenerator;
import biomesoplenty.biomes.BiomeDecoratorBOP;
import biomesoplenty.worldgen.tree.WorldGenJacaranda;

public class BiomeGenHillsNew extends BiomeGenBase
{
	private WorldGenerator theWorldGenerator;
	private BiomeDecoratorBOP customBiomeDecorator;

	public BiomeGenHillsNew(int par1)
	{
		super(par1);
		theBiomeDecorator = new BiomeDecoratorBOP(this);
		customBiomeDecorator = (BiomeDecoratorBOP)theBiomeDecorator;
		customBiomeDecorator.treesPerChunk = 1;
		customBiomeDecorator.wheatGrassPerChunk = 1;
		customBiomeDecorator.violetsPerChunk = 5;
		customBiomeDecorator.shrubsPerChunk = 2;
		theWorldGenerator = new WorldGenMinable(Block.silverfish.blockID, 8);
	}

	/**
	 * Gets a WorldGen appropriate for this biome.
	 */
	@Override
	public WorldGenerator getRandomWorldGenForTrees(Random par1Random)
	{
		return par1Random.nextInt(3) == 0 ? new WorldGenJacaranda(false) : worldGeneratorTrees;
	}

	@Override
	public void decorate(World par1World, Random par2Random, int par3, int par4)
	{
		super.decorate(par1World, par2Random, par3, par4);
		int var5 = 3 + par2Random.nextInt(6);
		int var6;
		int var7;
		int var8;

		for (var6 = 0; var6 < var5; ++var6)
		{
			var7 = par3 + par2Random.nextInt(16);
			var8 = par2Random.nextInt(28) + 4;
			int var9 = par4 + par2Random.nextInt(16);
			int var10 = par1World.getBlockId(var7, var8, var9);

			Block block = Block.blocksList[var10]; 
			if (block != null && block.isGenMineableReplaceable(par1World, var7, var8, var9, Block.stone.blockID))
			{
				par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID, 0, 2);
			}
		}

		for (var5 = 0; var5 < 7; ++var5)
		{
			var6 = par3 + par2Random.nextInt(16);
			var7 = par2Random.nextInt(64);
			var8 = par4 + par2Random.nextInt(16);
			theWorldGenerator.generate(par1World, par2Random, var6, var7, var8);
		}
	}
}