Clive Barker

"Hellraiser" and "Candyman" author Clive Barker just scored a big victory in court over his ex-BF -- who accused Barker of having sex with his own HIV-positive cousin before passing the virus on to him -- because his ex's lawsuit has been tossed out of court ... forever. TMZ broke the story ...…

Legendary horror maven Clive Barker -- who's responsible for the "Candyman" and "Hellraiser" franchises -- gave his ex-boyfriend HIV ... and then kicked him out on the street ... this according to claims in a new lawsuit. Emilian David Armstrong says in the suit ... he met Barker in early 1996,…