Ep and smoking

first of all. i wna say i know smoking is bad if I'm gonna breast feed baby etc. but ive tried quitting and i just cannot it considering my in laws are all heavy smokers. and ive a routine that if i smoke I'll wait 4hours later then I'll pump and feed that milk to baby. now the thing is, my supply dropped bc i did not pump regularly for about a week instead of pumping every 3/4hourly I was pumping at 6-7hourly hence supply drop. I'm drinking red dates in hopes to boost milk. and would like to know can i just pump and dump my milk ever 1hrly (considering i did smoke and it has not hit the 4hr mark yet) will it help to increase supply