by "SPR_FLY_", do you mean that ALL of them should be renamed to it? Or what?
This is the entire section of the flying thing, i'm sure:
states[S_PLAY_FLY_1] = {SPR_FLY, 0, 4, nil, 0, 0, S_PLAY_FLY_2}
states[S_PLAY_FLY_2] = {SPR_FLY, 1, 4, nil, 0, 0, S_PLAY_FLY_3}
states[S_PLAY_FLY_3] =...