Hey dude! Unfortunatley it's a known fact that someone who doesn't like himself can't possible convey the positive energy to someone else to make them like that person. If i were you i would do some confidence building like dressing sharp, going out to quieter places where you will get more of a peace of mind, give compliments to others (other than the girls you want to pick up), it really helps get some good self esteem.

I personally never go to rave or hardstyle etc clubs because its pointless to try and pickup there, one can hardly hear hiimself think, not to mention talk to people