package biomesoplenty.worldgen.structure;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.Random;

import net.minecraft.world.World;
import net.minecraft.world.gen.structure.ComponentVillageRoadPiece;
import net.minecraft.world.gen.structure.ComponentVillageStartPiece;
import net.minecraft.world.gen.structure.StructureComponent;
import net.minecraft.world.gen.structure.StructureStart;
import net.minecraft.world.gen.structure.StructureVillagePieces;

class BOPStructureVillageStart extends StructureStart
{
	/** well ... thats what it does */
	private boolean hasMoreThanTwoComponents = false;

	public BOPStructureVillageStart(World par1World, Random par2Random, int par3, int par4, int par5)
	{
		ArrayList arraylist = StructureVillagePieces.getStructureVillageWeightedPieceList(par2Random, par5);
		ComponentVillageStartPiece componentvillagestartpiece = new ComponentVillageStartPiece(par1World.getWorldChunkManager(), 0, par2Random, (par3 << 4) + 2, (par4 << 4) + 2, arraylist, par5);
		components.add(componentvillagestartpiece);
		componentvillagestartpiece.buildComponent(componentvillagestartpiece, components, par2Random);
		ArrayList arraylist1 = componentvillagestartpiece.field_74930_j;
		ArrayList arraylist2 = componentvillagestartpiece.field_74932_i;
		int l;

		while (!arraylist1.isEmpty() || !arraylist2.isEmpty())
		{
			StructureComponent structurecomponent;

			if (arraylist1.isEmpty())
			{
				l = par2Random.nextInt(arraylist2.size());
				structurecomponent = (StructureComponent)arraylist2.remove(l);
				structurecomponent.buildComponent(componentvillagestartpiece, components, par2Random);
			}
			else
			{
				l = par2Random.nextInt(arraylist1.size());
				structurecomponent = (StructureComponent)arraylist1.remove(l);
				structurecomponent.buildComponent(componentvillagestartpiece, components, par2Random);
			}
		}

		this.updateBoundingBox();
		l = 0;
		Iterator iterator = components.iterator();

		while (iterator.hasNext())
		{
			StructureComponent structurecomponent1 = (StructureComponent)iterator.next();

			if (!(structurecomponent1 instanceof ComponentVillageRoadPiece))
			{
				++l;
			}
		}

		hasMoreThanTwoComponents = l > 2;
	}

	/**
	 * currently only defined for Villages, returns true if Village has more than 2 non-road components
	 */
	 @Override
	 public boolean isSizeableStructure()
	{
		 return hasMoreThanTwoComponents;
	}
}