You said at one point he did have feelings for you...what happened then? Were you not interested, or is this something he told you after the fact? If he told you at the time and you weren't interested, that could be why he's not now.
As far as the way he's acting, I've been in a similar situation...my best guy friend and I would do all those sorts of things together, we were each other's standing weekend plans if we were both single, would crash at each other's house and share the bed, sometimes kinda cuddle...it really was just a pseudo relationship when neither of us had one. He was interested in me at one point but it wasn't mutual and he understood. So, it does happen...just sucks to be on that end of it.
Like others have said, it depends on whether it's hurting you too much to stay in the friendship if that's all he wants.
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