package net.minecraft.world.gen.layer;
import net.minecraft.world.biome.BiomeGenBase;
public class GenLayerAddSnow extends GenLayer
{
public GenLayerAddSnow(long par1, GenLayer par3GenLayer)
{
super(par1);
this.parent = par3GenLayer;
}
/**
* Returns a list of integer values generated by this layer. These may be interpreted as temperatures, rainfall
* amounts, or biomeList[] indices based on the particular GenLayer subclass.
*/
public int[] getInts(int par1, int par2, int par3, int par4)
{
int var5 = par1 - 1;
int var6 = par2 - 1;
int var7 = par3 + 2;
int var8 = par4 + 2;
int[] var9 = this.parent.getInts(var5, var6, var7, var8);
int[] var10 = IntCache.getIntCache(par3 * par4);
for (int var11 = 0; var11 < par4; ++var11)
{
for (int var12 = 0; var12 < par3; ++var12)
{
int var13 = var9[var12 + 1 + (var11 + 1) * var7];
this.initChunkSeed((long)(var12 + par1), (long)(var11 + par2));
if (var13 == 0)
{
var10[var12 + var11 * par3] = 0;
}
else
{
int var14 = this.nextInt(5);
if (var14 == 0)
{
var14 = BiomeGenBase.icePlains.biomeID;
}
else
{
var14 = 1;
}
var10[var12 + var11 * par3] = var14;
}
}
}
return var10;
}
}