This site is not for solicitation of services or 'purchasing' development. Please do not post requesting side mods/plugins and so on. Your thread will be removed, and you will receive a warning.
The mother has an 80% chance of passing her Ability to her offspring.
If a male Pokémon breeds with a Ditto, the male Pokémon's Ability has a 60% chance of being passed on.
The statements above apply to both normal and hidden Abilities.
wiki/index.php?title=Breeding#Ability