Music Manager functionality:

Local Soundtrack
Global Soundtracks


Play()
Stop()
Pause()
IsPaused()
IsPlaying()
GetSoundtrackCount()

AddLocalSong()
AddLocalSongDir()



Get/SetGlobal()
Get/SetRandom()
Get/SetEnable()
Get/SetVolume()



Song ordering:

int GetValidSoundtrack( int iSelection )
{
    int iReturn = -1;
    if ( m_fGlobal )
    {
        iSelection %= m_iSndtrackCount;
        iReturn = iSelection;
        if ( GetSongCount( iReturn ) == 0 )
        {
            iReturn++; iReturn %= m_iSndtrackCount;
            while( ( GetSongCount( iReturn ) == 0 ) && ( iReturn != iSelection ) )
            {
	        iReturn++; iReturn %= m_iSndtrackCount;
            }
            if ( GetSongCount( iReturn ) == 0 )
            {
                iReturn = -1;
            }
        }
    }
    else
    {
        if ( GetSongCount( 0 ) )
        {
            iReturn = 0;
        }
    }
    return iReturn;
}

SetFirstSong()
{
 int isndTrack = GetValidSoundtrack(0), iSong = 0;
 if ( m_fEnabled )
 {
  if ( m_fRandom )
  {
      iSndTrack = GetValidSoundtrack( random(10000) );
      if ( iSndTrack >= 0 )
      {
           iSong = GetValidSong( iSndTrack, random(10000) );
      }
  }
  if ( iSndTrack >= 0 && iSong >= 0 )
  {
      SelectSong( iSndTrack, iSong );  
  }
  else
  {
     // There are no valid songs.
     // Stop player
     Stop();
     SetEnable( FALSE );
  }
 }
}

void SetNextSong( void )
{
  if ( m_fRandom )
  {
     // This function does what this one does...
     SetFirstSong();
  }
  else
  {
     int iSong, iSndTrack;
     iSndTrack = GetCurrSoundtrack();
      
     iSong = GetValidSong(iSndTrack, GetCurrSong()+1);
     if ( iSong < 1 )
     {
          // If not global, this will always return 0 or -1
          iSndTrack = GetValidSoundtrack(iSndTrack+1);
          iSong = 0;
     }
     if ( iSndTrack >= 0 && iSong >= 0 )
     {
         SelectSong( iSndTrack, iSong );  
     }
     else
     {
        // There are no valid songs.
        // Stop player
        Stop();
        SetEnable( FALSE );
     }
     
  }
}