void __thiscall OrgData::PlayData(OrgData *this)
{
  OrgData *this2; // [sp+0h] [bp-8h]@1
  signed int i; // [sp+4h] [bp-4h]@6
  signed int j; // [sp+4h] [bp-4h]@25

  this2 = this;
  if ( bFadeout && Volume )
    Volume -= 2;
  if ( Volume < 0 )
    Volume = 0;
  for ( i = 0; i < 8; ++i )
  {
    if ( np[i] && play_p == np[i]->x )
    {
      if ( !mute[i] && np[i]->y != 255 )
      {
        PlayOrganObject(np[i]->y, -1, i, this2->info.tdata[i].freq);
        now_leng[i] = np[i]->length;
      }
      if ( np[i]->pan != 255 )
        ChangeOrganPan(np[i]->y, np[i]->pan, i);
      if ( np[i]->volume != 255 )
        TrackVol[i] = np[i]->volume;
      np[i] = np[i]->to;
    }
    if ( !now_leng[i] )
      PlayOrganObject(0, 2, i, this2->info.tdata[i].freq);
    if ( now_leng[i] > 0 )
      --now_leng[i];
    if ( np[i] )
      ChangeOrganVolume(np[i]->y, Volume * TrackVol[i] / 127, i);
  }
  for ( j = 8; j < 16; ++j )
  {
    if ( np[j] && play_p == np[j]->x )
    {
      if ( np[j]->y != 255 && !mute[j] )
        PlayDramObject(np[j]->y, 1, j - 8);
      if ( np[j]->pan != 255 )
        ChangeDramPan(np[j]->pan, j - 8);
      if ( np[j]->volume != 255 )
        TrackVol[j] = np[j]->volume;
      np[j] = np[j]->to;
    }
    if ( np[j] )
      ChangeDramVolume(Volume * TrackVol[j] / 127, j - 8);
  }
  if ( ++play_p >= this2->info.end_x )
  {
    play_p = this2->info.repeat_x;
    OrgData::SetPlayPointer(this2, play_p);
  }
}