    001    package net.minecraft.world.gen.layer;
    002
    003    public class GenLayerIsland extends GenLayer
    004    {
    005        public GenLayerIsland(long par1)
    006        {
    007            super(par1);
    008        }
    009
    010        /**
    011         * Returns a list of integer values generated by this layer. These may be interpreted as temperatures, rainfall
    012         * amounts, or biomeList[] indices based on the particular GenLayer subclass.
    013         */
    014        public int[] getInts(int par1, int par2, int par3, int par4)
    015        {
    016            int[] var5 = IntCache.getIntCache(par3 * par4);
    017
    018            for (int var6 = 0; var6 < par4; ++var6)
    019            {
    020                for (int var7 = 0; var7 < par3; ++var7)
    021                {
    022                    this.initChunkSeed((long)(par1 + var7), (long)(par2 + var6));
    023                    var5[var7 + var6 * par3] = this.nextInt(10) == 0 ? 1 : 0;
    024                }
    025            }
    026
    027            if (par1 > -par3 && par1 <= 0 && par2 > -par4 && par2 <= 0)
    028            {
    029                var5[-par1 + -par2 * par3] = 1;
    030            }
    031
    032            return var5;
    033        }
    034    }