package dk.thoerup.bukkit.waterworld;

import java.util.*;

import org.bukkit.block.*;
import org.bukkit.generator.*;
import org.bukkit.*;

public class WaterGenerator extends ChunkGenerator {


    //This needs to be set to return true to override minecraft's default behaviour
    @Override
    public boolean canSpawn(World world, int x, int z) {
        return true;
    }

    //This converts relative chunk locations to bytes that can be written to the chunk
    public int xyzToByte(int x, int y, int z) {
		return (x * 16 + z) * 128 + y;
    }

    @Override
    public byte[] generate(World world, Random rand, int chunkx, int chunkz) {
		byte result[] = new byte[32768];

		//This will set the floor of each chunk at bedrock level to bedrock
		for(int x=0; x<16; x++){
			for(int z=0; z<16; z++) {
				int y=0;

				for (y=0; y<6; y++) {
					result[xyzToByte(x,y,z)] = (byte) Material.BEDROCK.getId();
				}
				for (y=6; y<48; y++) {
					result[xyzToByte(x,y,z)] = (byte) Material.SAND.getId();
				}
				for (y=48; y<65; y++) {
					result[xyzToByte(x,y,z)] = (byte) Material.WATER.getId();
				}

			}
		}

    	return result;
    }

/*	@Override
    public List<BlockPopulator> getDefaultPopulators(World world) {
        return Arrays.asList((BlockPopulator) new ChessPopulator());
    }

	class ChessPopulator extends BlockPopulator {

    	@Override
		public void populate(World world, Random random, Chunk source) {
			for (int x=0; x<16; x++) {
				for (int z=0; z<16; z++) {
					Block b = source.getBlock(x,64,z);
					if ( ( (x+z) % 2) == 0) {
						b.setData( (byte)0 );
					} else {
						b.setData( (byte)15 );
					}
				}
			}
		}

	}
*/
}