package net.minecraft.world.gen.layer;
import net.minecraft.world.biome.BiomeGenBase;
public class GenLayerRiverMix extends GenLayer
{
private GenLayer biomePatternGeneratorChain;
private GenLayer riverPatternGeneratorChain;
public GenLayerRiverMix(long par1, GenLayer par3GenLayer, GenLayer par4GenLayer)
{
super(par1);
this.biomePatternGeneratorChain = par3GenLayer;
this.riverPatternGeneratorChain = par4GenLayer;
}
/**
* Initialize layer's local worldGenSeed based on its own baseSeed and the world's global seed (passed in as an
* argument).
*/
public void initWorldGenSeed(long par1)
{
this.biomePatternGeneratorChain.initWorldGenSeed(par1);
this.riverPatternGeneratorChain.initWorldGenSeed(par1);
super.initWorldGenSeed(par1);
}
/**
* 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[] aint = this.biomePatternGeneratorChain.getInts(par1, par2, par3, par4);
int[] aint1 = this.riverPatternGeneratorChain.getInts(par1, par2, par3, par4);
int[] aint2 = IntCache.getIntCache(par3 * par4);
for (int i1 = 0; i1 < par3 * par4; ++i1)
{
if (aint[i1] == BiomeGenBase.ocean.biomeID)
{
aint2[i1] = aint[i1];
}
else if (aint1[i1] >= 0)
{
if (aint[i1] == BiomeGenBase.icePlains.biomeID)
{
aint2[i1] = BiomeGenBase.frozenRiver.biomeID;
}
else if (aint[i1] != BiomeGenBase.mushroomIsland.biomeID && aint[i1] != BiomeGenBase.mushroomIslandShore.biomeID)
{
aint2[i1] = aint1[i1];
}
else
{
aint2[i1] = BiomeGenBase.mushroomIslandShore.biomeID;
}
}
else
{
aint2[i1] = aint[i1];
}
}
return aint2;
}
}