/// <summary>
/// Randomly selects a <see cref="JukeBoxMusic"/> from the musicList.
/// </summary>
/// <param name="recursionDepth">
/// The number of times ActuallySelectRandomMusic has been called recursively;
/// this happens when the IRequirement of a choosen JukeBoxMusic has not been fulfilled.
/// </param>
/// <returns>
/// The JukeBoxMusic that has been selected;
/// or null if none.
/// </returns>
private JukeBoxMusic ActuallySelectRandomMusic(int recursionDepth = 0)
{
const int MaximumRecursionDepth = 10;
if (this.musicList.Length == 0)
{
return(null);
}
if (recursionDepth >= MaximumRecursionDepth)
{
return(this.musicList[0]);
}
JukeBoxMusic music = this.musicList[rand.RandomRange(0, musicList.Length - 1)];
if (music == null)
{
return(null);
}
if (!this.CanPlayMusic(music))
{
return(this.ActuallySelectRandomMusic(++recursionDepth));
}
return(music);
}
private bool CanPlayMusic(JukeBoxMusic music)
{
// if( music.Requirement != null )
//{
// if( !music.Requirement.IsFulfilledBy( this.ingameState.Player ) )
return(true);
}
/// <summary>
/// Randomly selects a music from the music list.
/// </summary>
/// <returns>
/// The music that has been selected.
/// </returns>
private Sound SelectRandomMusic()
{
JukeBoxMusic music = this.ActuallySelectRandomMusic();
if (music == null)
{
return(null);
}
Sound musicResource = audioSystem.GetMusic(music.FileName);
if (musicResource != null)
{
musicResource.LoadAsMusic(false);
}
return(musicResource);
}
