BiomesOPlenty/common/biomesoplenty/worldgen/WorldGenCrystal1.java

package biomesoplenty.worldgen;

import java.util.Random;

import net.minecraft.world.World;
import net.minecraft.world.gen.feature.WorldGenerator;
import biomesoplenty.api.Blocks;

public class WorldGenCrystal1 extends WorldGenerator
{
	@Override
	public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5)
	{
		if (!par1World.isAirBlock(par3, par4, par5))
			return false;
		else if (par1World.getBlockId(par3, par4 + 1, par5) != Blocks.holyStone.get().blockID)
			return false;
		else
		{
			par1World.setBlock(par3, par4, par5, Blocks.crystal.get().blockID, 0, 2);

			for (int l = 0; l < 1500; ++l)
			{
				int i1 = par3 + par2Random.nextInt(8) - par2Random.nextInt(8);
				int j1 = par4 - par2Random.nextInt(12);
				int k1 = par5 + par2Random.nextInt(8) - par2Random.nextInt(8);

				if (par1World.getBlockId(i1, j1, k1) == 0)
				{
					int l1 = 0;

					for (int i2 = 0; i2 < 6; ++i2)
					{
						int j2 = 0;

						if (i2 == 0)
						{
							j2 = par1World.getBlockId(i1 - 1, j1, k1);
						}

						if (i2 == 1)
						{
							j2 = par1World.getBlockId(i1 + 1, j1, k1);
						}

						if (i2 == 2)
						{
							j2 = par1World.getBlockId(i1, j1 - 1, k1);
						}

						if (i2 == 3)
						{
							j2 = par1World.getBlockId(i1, j1 + 1, k1);
						}

						if (i2 == 4)
						{
							j2 = par1World.getBlockId(i1, j1, k1 - 1);
						}

						if (i2 == 5)
						{
							j2 = par1World.getBlockId(i1, j1, k1 + 1);
						}

						if (j2 == Blocks.crystal.get().blockID)
						{
							++l1;
						}
					}

					if (l1 == 1)
					{
						par1World.setBlock(i1, j1, k1, Blocks.crystal.get().blockID, 0, 2);
					}
				}
			}

			return true;
		}
	}
}