BlockForge

public class BlockForge extends BlockContainer
{
	private final boolean isActive;

	@SideOnly(Side.CLIENT)
	private Icon iconFront;

	public BlockForge(int id, boolean isActive)
	{
		super(id, Material.iron);
		this.isActive = isActive;
	}

	@SideOnly(Side.CLIENT)
	public void registerIcons(IconRegister iconRegister)
	{
		this.blockIcon = iconRegister.registerIcon("skyrim:Forge_Side");
		this.iconFront = iconRegister.registerIcon(this.isActive ? "skyrim:Forge_Front_Active" : "skyrim:Forge_Front_Idle");
	}

	@SideOnly(Side.CLIENT)
	public Icon getIcon(int side, int metadata)
	{
		return side == metadata ? this.iconFront : this.blockIcon;
	}

	public int idDropped(int par, Random rand, int par3)
	{
		return SkyrimMain.inactiveForge.blockID;
	}

	public void onBlockAdded(World world, int x, int y, int z)
	{
		super.onBlockAdded(world, x, y, z);
		this.setDefaultDirection(world, x, y, z);
	}

	private void setDefaultDirection(World world, int x, int y, int z)
	{
		if(!world.isRemote)
		{
			int l = world.getBlockId(x, y, z - 1);
			int il = world.getBlockId(x, y, z + 1);
			int jl = world.getBlockId(x - 1, y, z);
			int kl = world.getBlockId(x + 1, y, z);

			byte b0 = 3;

			if(Block.opaqueCubeLookup[l] && !Block.opaqueCubeLookup[il])
			{
				b0 = 3;
			}

			if(Block.opaqueCubeLookup[il] && !Block.opaqueCubeLookup[l])
			{
				b0 = 2;
			}

			if(Block.opaqueCubeLookup[kl] && !Block.opaqueCubeLookup[jl])
			{
				b0 = 5;
			}

			if(Block.opaqueCubeLookup[jl] && !Block.opaqueCubeLookup[kl])
			{
				b0 = 5;
			}

			world.setBlockMetadataWithNotify(x, y, z, b0, 2);
		}
	}

	public boolean onBlockActivated(World world, int x, int y, int z, EntityPlayer player, int side, float hitX, float hitY, float hitZ)
	{
		if(!world.isRemote)
		{
			FMLNetworkHandler.openGui(player, SkyrimMain.instance, SkyrimMain.guiIdForge, world, x, y, z);
		}

		return true;
	}

	public TileEntity createNewTileEntity(World world)
	{
		return new TileEntityForge();
	}

	public void onBlockPlacedBy(World world, int x, int y, int z, EntityLivingBase entitylivingbase, ItemStack itemstack)
	{
		int l = MathHelper.floor_double((double)(entitylivingbase.rotationYaw * 4.0F / 360.0F) + 0.5D) & 3;

		if(l == 0)
		{
			world.setBlockMetadataWithNotify(x, y, z, 2, 2);
		}

		if(l == 1)
		{
			world.setBlockMetadataWithNotify(x, y, z, 5, 2);
		}

		if(l == 2)
		{
			world.setBlockMetadataWithNotify(x, y, z, 3, 2);
		}

		if(l == 3)
		{
			world.setBlockMetadataWithNotify(x, y, z, 4, 2);
		}

		if(itemstack.hasDisplayName())
		{
			((TileEntityForge)world.getBlockTileEntity(x, y, z)).setGuiDisplayName(itemstack.getDisplayName());
		}
	}
}