package net.minecraft.world.gen.feature;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.Map.Entry;
import net.minecraft.entity.monster.EntityWitch;
import net.minecraft.util.MathHelper;
import net.minecraft.world.biome.BiomeGenBase;
import net.minecraft.world.biome.SpawnListEntry;
import net.minecraft.world.gen.structure.MapGenStructure;
import net.minecraft.world.gen.structure.StructureScatteredFeatureStart;
import net.minecraft.world.gen.structure.StructureStart;
public class MapGenScatteredFeature extends MapGenStructure
{
private static List biomelist = Arrays.asList(new BiomeGenBase[] {BiomeGenBase.desert, BiomeGenBase.desertHills, BiomeGenBase.jungle, BiomeGenBase.jungleHills, BiomeGenBase.swampland});
/** contains possible spawns for scattered features */
private List scatteredFeatureSpawnList;
/** the maximum distance between scattered features */
private int maxDistanceBetweenScatteredFeatures;
/** the minimum distance between scattered features */
private int minDistanceBetweenScatteredFeatures;
public MapGenScatteredFeature()
{
this.scatteredFeatureSpawnList = new ArrayList();
this.maxDistanceBetweenScatteredFeatures = 32;
this.minDistanceBetweenScatteredFeatures = 8;
this.scatteredFeatureSpawnList.add(new SpawnListEntry(EntityWitch.class, 1, 1, 1));
}
public MapGenScatteredFeature(Map par1Map)
{
this();
Iterator var2 = par1Map.entrySet().iterator();
while (var2.hasNext())
{
Entry var3 = (Entry)var2.next();
if (((String)var3.getKey()).equals("distance"))
{
this.maxDistanceBetweenScatteredFeatures = MathHelper.parseIntWithDefaultAndMax((String)var3.getValue(), this.maxDistanceBetweenScatteredFeatures, this.minDistanceBetweenScatteredFeatures + 1);
}
}
}
protected boolean canSpawnStructureAtCoords(int par1, int par2)
{
int var3 = par1;
int var4 = par2;
if (par1 < 0)
{
par1 -= this.maxDistanceBetweenScatteredFeatures - 1;
}
if (par2 < 0)
{
par2 -= this.maxDistanceBetweenScatteredFeatures - 1;
}
int var5 = par1 / this.maxDistanceBetweenScatteredFeatures;
int var6 = par2 / this.maxDistanceBetweenScatteredFeatures;
Random var7 = this.worldObj.setRandomSeed(var5, var6, 14357617);
var5 *= this.maxDistanceBetweenScatteredFeatures;
var6 *= this.maxDistanceBetweenScatteredFeatures;
var5 += var7.nextInt(this.maxDistanceBetweenScatteredFeatures - this.minDistanceBetweenScatteredFeatures);
var6 += var7.nextInt(this.maxDistanceBetweenScatteredFeatures - this.minDistanceBetweenScatteredFeatures);
if (var3 == var5 && var4 == var6)
{
BiomeGenBase var8 = this.worldObj.getWorldChunkManager().getBiomeGenAt(var3 * 16 + 8, var4 * 16 + 8);
Iterator var9 = biomelist.iterator();
while (var9.hasNext())
{
BiomeGenBase var10 = (BiomeGenBase)var9.next();
if (var8 == var10)
{
return true;
}
}
}
return false;
}
protected StructureStart getStructureStart(int par1, int par2)
{
return new StructureScatteredFeatureStart(this.worldObj, this.rand, par1, par2);
}
/**
* returns possible spawns for scattered features
*/
public List getScatteredFeatureSpawnList()
{
return this.scatteredFeatureSpawnList;
}
}