public static final PropertyBool HAS_COWBELL = PropertyBool.create("has_cowbell");

    public BlockGel()
    {
        this.setDefaultState(this.blockState.getBaseState().withProperty(HAS_COWBELL, false));
    }

    @Override
    public BlockStateContainer getBlockState()
    {
        return new BlockStateContainer(this, HAS_COWBELL);
    }

    @Override
    public IBlockState getStateFromMeta(int meta)
    {
        IBlockState state = this.getDefaultState();
        return meta == 1 ? state.withProperty(HAS_COWBELL, true) : state.withProperty(HAS_COWBELL, false);
    }

    @Override
    public int getMetaFromState(IBlockState state)
    {
        return state.getValue(HAS_COWBELL) ? 1 : 0;
    }