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    }