Babies first birthday?

My daughter's first birthday is coming up and i have no clue what to do. My parents are divorced and hate each other and my apartment is way too small. either parents house is out because the other one will have a fit. I am on a budget and it is waaaaaay too hot to do it outside around where i live. some ideas would be great. please dont tell me to just tell family to get over it because no matter how many times you say it they wont and i just want her to have a fun birthday with all her grandparents peacefully.