001    package net.minecraft.world.gen.layer;
002    
003    public class GenLayerRiverInit extends GenLayer
004    {
005        public GenLayerRiverInit(long par1, GenLayer par3GenLayer)
006        {
007            super(par1);
008            this.parent = par3GenLayer;
009        }
010    
011        /**
012         * Returns a list of integer values generated by this layer. These may be interpreted as temperatures, rainfall
013         * amounts, or biomeList[] indices based on the particular GenLayer subclass.
014         */
015        public int[] getInts(int par1, int par2, int par3, int par4)
016        {
017            int[] var5 = this.parent.getInts(par1, par2, par3, par4);
018            int[] var6 = IntCache.getIntCache(par3 * par4);
019    
020            for (int var7 = 0; var7 < par4; ++var7)
021            {
022                for (int var8 = 0; var8 < par3; ++var8)
023                {
024                    this.initChunkSeed((long)(var8 + par1), (long)(var7 + par2));
025                    var6[var8 + var7 * par3] = var5[var8 + var7 * par3] > 0 ? this.nextInt(2) + 2 : 0;
026                }
027            }
028    
029            return var6;
030        }
031    }