I'm so sorry this happened to you. Sharing this story had to be difficult. However, this happens too often. Guys "taking advantage" of someone while they are intoxicated. But what they don't know is, it's criminal. They are not criminals.
No it wasn't your fault. You couldn't give consent. Thank you for sharing your story. Perhaps, from this, others will discover realize, this isn't funny and it has a long lasting impact.