Method updateTick

src/main/java/net/minecraft/block/BlockIce.java:74–88

(World worldIn, BlockPos pos, IBlockState state, Random rand)

    }

    public void updateTick(World worldIn, BlockPos pos, IBlockState state, Random rand)
    {
        if (worldIn.getLightFor(EnumSkyBlock.BLOCK, pos) > 11 - this.getLightOpacity())
        {
            if (worldIn.provider.doesWaterVaporize())
            {
                worldIn.setBlockToAir(pos);
            }
            else
            {
                this.dropBlockAsItem(worldIn, pos, worldIn.getBlockState(pos), 0);
                worldIn.setBlockState(pos, Blocks.water.getDefaultState());
            }
        }
    }

    public int getMobilityFlag()
    {