replay_gamestate *replay_frame_gamestate( replay_frame *frame, u16 index );
replay_sfx *replay_frame_sfx( replay_frame *frame, u16 index );
VG_STATIC replay_frame *replay_find_recent_stateframe( replay_buffer *replay );
replay_gamestate *replay_frame_gamestate( replay_frame *frame, u16 index );
replay_sfx *replay_frame_sfx( replay_frame *frame, u16 index );
VG_STATIC replay_frame *replay_find_recent_stateframe( replay_buffer *replay );