001package net.minecraft.world.gen.layer;
002
003public 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}