package appeng.hooks;

import java.util.Random;

import net.minecraft.world.World;
import net.minecraft.world.chunk.IChunkProvider;
import appeng.api.util.DimensionalCoord;
import appeng.core.WorldSettings;
import appeng.helpers.MeteoritePlacer;
import appeng.services.helpers.ICompassCallback;
import cpw.mods.fml.common.IWorldGenerator;

final public class MeteoriteWorldGen implements IWorldGenerator
{

	class myGen implements ICompassCallback
	{

		double distance = 0;

		@Override
		public void calculatedDirection(boolean hasResult, boolean spin, double radians, double dist)
		{
			if ( hasResult )
				distance = dist;
			else
				distance = Double.MAX_VALUE;

			synchronized (this)
			{
				notify();
			}
		}

	};

	@Override
	public void generate(Random r, int chunkX, int chunkZ, World w, IChunkProvider chunkGenerator, IChunkProvider chunkProvider)
	{
		if ( r.nextFloat() > 0.9 )
		{
			int x = r.nextInt( 16 ) + (chunkX << 4);
			int z = r.nextInt( 16 ) + (chunkZ << 4);

			myGen obj = new myGen();
			WorldSettings.getInstance().getCompass().getCompassDirection( new DimensionalCoord( w, x, 128, z ), 70, obj );

			synchronized (obj)
			{
				try
				{
					obj.wait();

				}
				catch (InterruptedException e)
				{
					// meh
					return;
				}
			}

			if ( obj.distance > 1000 * 1000 )
			{
				int depth = 180 + r.nextInt( 20 );
				for (int trys = 0; trys < 20; trys++)
				{
					MeteoritePlacer mp = new MeteoritePlacer();

					if ( mp.spawnMeteorite( w, x, depth, z ) )
						return;

					depth -= 15;
					if ( depth < 40 )
						return;

				}
			}

		}
	}
}