package net.minecraft.world.gen.structure;
import com.google.common.collect.Lists;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.Map.Entry;
import net.minecraft.util.BlockPos;
import net.minecraft.util.MathHelper;
import net.minecraft.world.ChunkCoordIntPair;
import net.minecraft.world.World;
import net.minecraft.world.biome.BiomeGenBase;
public class MapGenStronghold extends MapGenStructure
{
private List field_151546_e;
/**
* is spawned false and set true once the defined BiomeGenBases were compared with the present ones
*/
private boolean ranBiomeCheck;
private ChunkCoordIntPair[] structureCoords;
private double field_82671_h;
private int field_82672_i;
private static final String __OBFID = "CL_00000481";
public MapGenStronghold()
{
this.structureCoords = new ChunkCoordIntPair[3];
this.field_82671_h = 32.0D;
this.field_82672_i = 3;
this.field_151546_e = Lists.newArrayList();
BiomeGenBase[] var1 = BiomeGenBase.getBiomeGenArray();
int var2 = var1.length;
for (int var3 = 0; var3 < var2; ++var3)
{
BiomeGenBase var4 = var1[var3];
if (var4 != null && var4.minHeight > 0.0F)
{
this.field_151546_e.add(var4);
}
}
}
public MapGenStronghold(Map p_i2068_1_)
{
this();
Iterator var2 = p_i2068_1_.entrySet().iterator();
while (var2.hasNext())
{
Entry var3 = (Entry)var2.next();
if (((String)var3.getKey()).equals("distance"))
{
this.field_82671_h = MathHelper.parseDoubleWithDefaultAndMax((String)var3.getValue(), this.field_82671_h, 1.0D);
}
else if (((String)var3.getKey()).equals("count"))
{
this.structureCoords = new ChunkCoordIntPair[MathHelper.parseIntWithDefaultAndMax((String)var3.getValue(), this.structureCoords.length, 1)];
}
else if (((String)var3.getKey()).equals("spread"))
{
this.field_82672_i = MathHelper.parseIntWithDefaultAndMax((String)var3.getValue(), this.field_82672_i, 1);
}
}
}
public String getStructureName()
{
return "Stronghold";
}
protected boolean canSpawnStructureAtCoords(int p_75047_1_, int p_75047_2_)
{
if (!this.ranBiomeCheck)
{
Random var3 = new Random();
var3.setSeed(this.worldObj.getSeed());
double var4 = var3.nextDouble() * Math.PI * 2.0D;
int var6 = 1;
for (int var7 = 0; var7 < this.structureCoords.length; ++var7)
{
double var8 = (1.25D * (double)var6 + var3.nextDouble()) * this.field_82671_h * (double)var6;
int var10 = (int)Math.round(Math.cos(var4) * var8);
int var11 = (int)Math.round(Math.sin(var4) * var8);
BlockPos var12 = this.worldObj.getWorldChunkManager().findBiomePosition((var10 << 4) + 8, (var11 << 4) + 8, 112, this.field_151546_e, var3);
if (var12 != null)
{
var10 = var12.getX() >> 4;
var11 = var12.getZ() >> 4;
}
this.structureCoords[var7] = new ChunkCoordIntPair(var10, var11);
var4 += (Math.PI * 2D) * (double)var6 / (double)this.field_82672_i;
if (var7 == this.field_82672_i)
{
var6 += 2 + var3.nextInt(5);
this.field_82672_i += 1 + var3.nextInt(2);
}
}
this.ranBiomeCheck = true;
}
ChunkCoordIntPair[] var13 = this.structureCoords;
int var14 = var13.length;
for (int var5 = 0; var5 < var14; ++var5)
{
ChunkCoordIntPair var15 = var13[var5];
if (p_75047_1_ == var15.chunkXPos && p_75047_2_ == var15.chunkZPos)
{
return true;
}
}
return false;
}
/**
* Returns a list of other locations at which the structure generation has been run, or null if not relevant to this
* structure generator.
*/
protected List getCoordList()
{
ArrayList var1 = Lists.newArrayList();
ChunkCoordIntPair[] var2 = this.structureCoords;
int var3 = var2.length;
for (int var4 = 0; var4 < var3; ++var4)
{
ChunkCoordIntPair var5 = var2[var4];
if (var5 != null)
{
var1.add(var5.getCenterBlock(64));
}
}
return var1;
}
protected StructureStart getStructureStart(int p_75049_1_, int p_75049_2_)
{
MapGenStronghold.Start var3;
for (var3 = new MapGenStronghold.Start(this.worldObj, this.rand, p_75049_1_, p_75049_2_); var3.getComponents().isEmpty() || ((StructureStrongholdPieces.Stairs2)var3.getComponents().get(0)).strongholdPortalRoom == null; var3 = new MapGenStronghold.Start(this.worldObj, this.rand, p_75049_1_, p_75049_2_))
{
;
}
return var3;
}
public static class Start extends StructureStart
{
private static final String __OBFID = "CL_00000482";
public Start() {}
public Start(World worldIn, Random p_i2067_2_, int p_i2067_3_, int p_i2067_4_)
{
super(p_i2067_3_, p_i2067_4_);
StructureStrongholdPieces.prepareStructurePieces();
StructureStrongholdPieces.Stairs2 var5 = new StructureStrongholdPieces.Stairs2(0, p_i2067_2_, (p_i2067_3_ << 4) + 2, (p_i2067_4_ << 4) + 2);
this.components.add(var5);
var5.buildComponent(var5, this.components, p_i2067_2_);
List var6 = var5.field_75026_c;
while (!var6.isEmpty())
{
int var7 = p_i2067_2_.nextInt(var6.size());
StructureComponent var8 = (StructureComponent)var6.remove(var7);
var8.buildComponent(var5, this.components, p_i2067_2_);
}
this.updateBoundingBox();
this.markAvailableHeight(worldIn, p_i2067_2_, 10);
}
}
}