BiomesOPlenty/common/biomesoplenty/worldgen/WorldGenMoss.java

package biomesoplenty.worldgen;

import java.util.Random;

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

public class WorldGenMoss extends WorldGenerator
{
	@Override
	public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5)
	{
		int var6 = par3;

		for (int var7 = par5; par4 < 80; ++par4)
		{
			if (par1World.isAirBlock(par3, par4, par5))
			{
				for (int var8 = 2; var8 <= 5; ++var8)
				{
					if (Blocks.moss.get().canPlaceBlockOnSide(par1World, par3, par4, par5, var8))
					{
						par1World.setBlock(par3, par4, par5, Blocks.moss.get().blockID, 1 << Direction.facingToDirection[Facing.oppositeSide[var8]], 2);
						break;
					}
				}
			}
			else
			{
				par3 = var6 + par2Random.nextInt(4) - par2Random.nextInt(4);
				par5 = var7 + par2Random.nextInt(4) - par2Random.nextInt(4);
			}
		}

		return true;
	}
}