package net.minecraft.world.gen.layer;
import net.minecraft.world.biome.BiomeGenBase;
public class GenLayerHills extends GenLayer
{
public GenLayerHills(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 = this.parent.getInts(par1 - 1, par2 - 1, par3 + 2, par4 + 2);
int[] var6 = IntCache.getIntCache(par3 * par4);
for (int var7 = 0; var7 < par4; ++var7)
{
for (int var8 = 0; var8 < par3; ++var8)
{
this.initChunkSeed((long)(var8 + par1), (long)(var7 + par2));
int var9 = var5[var8 + 1 + (var7 + 1) * (par3 + 2)];
if (this.nextInt(3) == 0)
{
int var10 = var9;
if (var9 == BiomeGenBase.desert.biomeID)
{
var10 = BiomeGenBase.desertHills.biomeID;
}
else if (var9 == BiomeGenBase.forest.biomeID)
{
var10 = BiomeGenBase.forestHills.biomeID;
}
else if (var9 == BiomeGenBase.taiga.biomeID)
{
var10 = BiomeGenBase.taigaHills.biomeID;
}
else if (var9 == BiomeGenBase.plains.biomeID)
{
var10 = BiomeGenBase.forest.biomeID;
}
else if (var9 == BiomeGenBase.icePlains.biomeID)
{
var10 = BiomeGenBase.iceMountains.biomeID;
}
else if (var9 == BiomeGenBase.jungle.biomeID)
{
var10 = BiomeGenBase.jungleHills.biomeID;
}
if (var10 == var9)
{
var6[var8 + var7 * par3] = var9;
}
else
{
int var11 = var5[var8 + 1 + (var7 + 1 - 1) * (par3 + 2)];
int var12 = var5[var8 + 1 + 1 + (var7 + 1) * (par3 + 2)];
int var13 = var5[var8 + 1 - 1 + (var7 + 1) * (par3 + 2)];
int var14 = var5[var8 + 1 + (var7 + 1 + 1) * (par3 + 2)];
if (var11 == var9 && var12 == var9 && var13 == var9 && var14 == var9)
{
var6[var8 + var7 * par3] = var10;
}
else
{
var6[var8 + var7 * par3] = var9;
}
}
}
else
{
var6[var8 + var7 * par3] = var9;
}
}
}
return var6;
}
}