package net.minecraft.world.gen.layer;
import net.minecraft.world.biome.BiomeGenBase;
public class GenLayerRiver extends GenLayer
{
private static final String __OBFID = "CL_00000566";
public GenLayerRiver(long p_i2128_1_, GenLayer p_i2128_3_)
{
super(p_i2128_1_);
super.parent = p_i2128_3_;
}
/**
* 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 areaX, int areaY, int areaWidth, int areaHeight)
{
int var5 = areaX - 1;
int var6 = areaY - 1;
int var7 = areaWidth + 2;
int var8 = areaHeight + 2;
int[] var9 = this.parent.getInts(var5, var6, var7, var8);
int[] var10 = IntCache.getIntCache(areaWidth * areaHeight);
for (int var11 = 0; var11 < areaHeight; ++var11)
{
for (int var12 = 0; var12 < areaWidth; ++var12)
{
int var13 = this.func_151630_c(var9[var12 + 0 + (var11 + 1) * var7]);
int var14 = this.func_151630_c(var9[var12 + 2 + (var11 + 1) * var7]);
int var15 = this.func_151630_c(var9[var12 + 1 + (var11 + 0) * var7]);
int var16 = this.func_151630_c(var9[var12 + 1 + (var11 + 2) * var7]);
int var17 = this.func_151630_c(var9[var12 + 1 + (var11 + 1) * var7]);
if (var17 == var13 && var17 == var15 && var17 == var14 && var17 == var16)
{
var10[var12 + var11 * areaWidth] = -1;
}
else
{
var10[var12 + var11 * areaWidth] = BiomeGenBase.river.biomeID;
}
}
}
return var10;
}
private int func_151630_c(int p_151630_1_)
{
return p_151630_1_ >= 2 ? 2 + (p_151630_1_ & 1) : p_151630_1_;
}
}