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[] aint = IntCache.getIntCache(par3 * par4);
017
018        for (int i1 = 0; i1 < par4; ++i1)
019        {
020            for (int j1 = 0; j1 < par3; ++j1)
021            {
022                this.initChunkSeed((long)(par1 + j1), (long)(par2 + i1));
023                aint[j1 + i1 * par3] = this.nextInt(10) == 0 ? 1 : 0;
024            }
025        }
026
027        if (par1 > -par3 && par1 <= 0 && par2 > -par4 && par2 <= 0)
028        {
029            aint[-par1 + -par2 * par3] = 1;
030        }
031
032        return aint;
033    }
034}