001    package net.minecraft.world.biome;
002    
003    import java.util.Random;
004    import net.minecraft.block.Block;
005    import net.minecraft.world.World;
006    import net.minecraft.world.gen.feature.WorldGenMinable;
007    import net.minecraft.world.gen.feature.WorldGenerator;
008    
009    public class BiomeGenHills extends BiomeGenBase
010    {
011        private WorldGenerator theWorldGenerator;
012    
013        protected BiomeGenHills(int par1)
014        {
015            super(par1);
016            this.theWorldGenerator = new WorldGenMinable(Block.silverfish.blockID, 8);
017        }
018    
019        public void decorate(World par1World, Random par2Random, int par3, int par4)
020        {
021            super.decorate(par1World, par2Random, par3, par4);
022            int var5 = 3 + par2Random.nextInt(6);
023            int var6;
024            int var7;
025            int var8;
026    
027            for (var6 = 0; var6 < var5; ++var6)
028            {
029                var7 = par3 + par2Random.nextInt(16);
030                var8 = par2Random.nextInt(28) + 4;
031                int var9 = par4 + par2Random.nextInt(16);
032                int var10 = par1World.getBlockId(var7, var8, var9);
033    
034                if (var10 == Block.stone.blockID)
035                {
036                    par1World.setBlock(var7, var8, var9, Block.oreEmerald.blockID);
037                }
038            }
039    
040            for (var5 = 0; var5 < 7; ++var5)
041            {
042                var6 = par3 + par2Random.nextInt(16);
043                var7 = par2Random.nextInt(64);
044                var8 = par4 + par2Random.nextInt(16);
045                this.theWorldGenerator.generate(par1World, par2Random, var6, var7, var8);
046            }
047        }
048    }