001    package net.minecraft.src;
002    
003    import java.util.Random;
004    
005    public class BiomeGenHills extends BiomeGenBase
006    {
007        protected BiomeGenHills(int par1)
008        {
009            super(par1);
010        }
011    
012        public void decorate(World par1World, Random par2Random, int par3, int par4)
013        {
014            super.decorate(par1World, par2Random, par3, par4);
015            int var5 = 3 + par2Random.nextInt(6);
016    
017            for (int var6 = 0; var6 < var5; ++var6)
018            {
019                int var7 = par3 + par2Random.nextInt(16);
020                int var8 = par2Random.nextInt(28) + 4;
021                int var9 = par4 + par2Random.nextInt(16);
022                int var10 = par1World.getBlockId(var7, var8, var9);
023    
024                if (var10 == Block.stone.blockID)
025                {
026                    par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID);
027                }
028            }
029        }
030    }