001package net.minecraft.world.gen;
002
003import java.util.Random;
004import net.minecraft.world.World;
005import net.minecraft.world.chunk.IChunkProvider;
006
007public class MapGenBase
008{
009    /** The number of Chunks to gen-check in any given direction. */
010    protected int range = 8;
011
012    /** The RNG used by the MapGen classes. */
013    protected Random rand = new Random();
014
015    /** This world object. */
016    protected World worldObj;
017
018    public void generate(IChunkProvider par1IChunkProvider, World par2World, int par3, int par4, byte[] par5ArrayOfByte)
019    {
020        int var6 = this.range;
021        this.worldObj = par2World;
022        this.rand.setSeed(par2World.getSeed());
023        long var7 = this.rand.nextLong();
024        long var9 = this.rand.nextLong();
025
026        for (int var11 = par3 - var6; var11 <= par3 + var6; ++var11)
027        {
028            for (int var12 = par4 - var6; var12 <= par4 + var6; ++var12)
029            {
030                long var13 = (long)var11 * var7;
031                long var15 = (long)var12 * var9;
032                this.rand.setSeed(var13 ^ var15 ^ par2World.getSeed());
033                this.recursiveGenerate(par2World, var11, var12, par3, par4, par5ArrayOfByte);
034            }
035        }
036    }
037
038    /**
039     * Recursively called by generate() (generate) and optionally by itself.
040     */
041    protected void recursiveGenerate(World par1World, int par2, int par3, int par4, int par5, byte[] par6ArrayOfByte) {}
042}