public static Song Load(string name)
{
string filePath = Path.Combine(Environment.CurrentDirectory, name + ".song");
if (!File.Exists(filePath))
throw new FileNotFoundException("We don't be knowin' this ditty: " + filePath, filePath);
// lotta room for improvement here... the idea is to make a text file
// that's easy for humans to monkey with, even if the code to read it
// is ugly - yaml might be another option
string[] lines = File.ReadAllLines(filePath);
Song song = new Song();
foreach (string line in lines)
{
string[] vals = line.Split(":".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
// song meta stuff, ie: title: some song title
if (vals.Length > 1)
{
string key = vals[0].Trim().ToLower();
string val = vals[1].Trim();
if (key == "title")
{
song.Title = val;
continue;
}
if (key == "tempo")
{
song.DefaultDuration = int.Parse(val);
continue;
}
}
// notes
if (line.StartsWith("\t"))
{
string val = line.Trim();
// note has time info with it
if (val.Contains(":"))
{
string[] parts = val.Split(":".ToCharArray());
val = parts[0];
song.Add(val, parts[1]);
continue;
}
else
{
song.Add(val);
continue;
}
}
}
return song;
}
/// <summary>
/// Duh...
/// </summary>
/// <param name="song"></param>
public void Play(Song song)
{
// TODO: can you multithread and harmonize?
foreach (Note note in song.Notes)
Console.Beep(note.Frequency, note.Duration);
}