Can I have court representatives if I cannot show up in court?

I was unlawfully stopped in front of my old home. My car was parked and I was simply picking up some mail. A cop pulled up and said that I looked suspicious. They tried to get me under a "traffic stop" but I argued my way out of that one. Then they searched my car and found an open-bottle. I hadn't been drinking and I didn't take a BPT but I'm still under "minor consumption". I'm also now out of state. I asked to reschedule and was told if I was a no-show, a warrant would be issued. Could someone represent me in court or is it mandatory that I show up?