private void calcSapling(final World world)
    {
        for(final BlockPos pos : leaves)
        {
            final Block block = world.getBlockState(pos).getBlock();

            if(block instanceof BlockLeaves)
            {
                final NonNullList<ItemStack> list = NonNullList.create();
                block.getDrops(list, world, pos, world.getBlockState(pos), 100);
                for(final ItemStack stack: list)
                {
                    final int[] oreIds = OreDictionary.getOreIDs(stack);
                    for(final int oreId: oreIds)
                    {
                        if(OreDictionary.getOreName(oreId).equals(SAPLINGS))
                        {
                            saplingToUse = stack;
                            return;
                        }
                    }
                }
            }
        }
    }