on rightclick on ripe_crops or potato_plant or carrot_plant or beetroot_block or nether_wart_block:
    if player is sneaking:
        if data value of block = 3:
            if type of block = beetroot_block:
                drop ((random integer between 0 and 3) - 1) of beetroot_seeds
                set block to beetroot_block
            else if type of block = nether_wart_block:
                drop ((random number between 2 and 4) - 1) of nether_wart_item
                set block to nether_wart_block
        else if data value of block = 7:
            if type of block = ripe_wheat:
                drop (random integer between 1 and 2) of wheat
                drop ((random integer between 0 and 3) - 1) of wheat_seeds
                set block to freshly_planted_wheat
            else if type of block = potato_plant:
                drop ((random integer between 1 and 4) - 1) of potato
                set block to potato_plant
                chance of 2%:
                    drop poisonous_potato
            else if type of block = carrot_plant:
                drop ((random integer between 1 and 4) - 1) of carrot_item
                set block to carrot_plant