package net.minecraft.world.gen.feature;

import java.util.Random;
import net.minecraft.init.Blocks;
import net.minecraft.util.Direction;
import net.minecraft.util.Facing;
import net.minecraft.world.World;

public class WorldGenVines extends WorldGenerator
{
	private static final String __OBFID = "CL_00000439";

	public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5)
	{
		int l = par3;

		for (int i1 = par5; par4 < 128; ++par4)
		{
			if (par1World.isAirBlock(par3, par4, par5))
			{
				for (int j1 = 2; j1 <= 5; ++j1)
				{
					if (Blocks.vine.canPlaceBlockOnSide(par1World, par3, par4, par5, j1))
					{
						par1World.setBlock(par3, par4, par5, Blocks.vine, 1 << Direction.facingToDirection[Facing.oppositeSide[j1]], 2);
						break;
					}
				}
			}
			else
			{
				par3 = l + par2Random.nextInt(4) - par2Random.nextInt(4);
				par5 = i1 + par2Random.nextInt(4) - par2Random.nextInt(4);
			}
		}

		return true;
	}
}