What movie from the 80's or early 90's(australian maybe) had soldiers in a medical camp during WW2 or earlier?

what movie from the 80's or early 90's(australian maybe) had soldiers in a medical camp during WW2 or earlier and at least one soldier was gay that a nurse feel in love with(and had sex with) and another soldier, who was a little simple/disturbed/damaged, murdered another soldier in an outdoor shower room scene because he wanted sex from him? That's all i remember/mis-remember!