I am sorry you are going through this. The quick answer is that your status does not effect Father's responsibility to pay child support. You do have a lot of issues going on though. Is there any court involvement yet? I suggest you contact a local divorce attorney to discuss your options. I would do so quickly, you daughter's best interest is paramount. Best of luck to you.
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Your question is too vague to provide any sort of specifics. I would strong recommend retaining an experienced child support attorney in your local area to provide you with legal advice.
I wish you luck!