public X0xPattern(K0ntr0lDataSet.PatternRow pattern) : this()
{
var stepIndex = 0;
foreach (var step in pattern.GetStepRows())
{
Steps[stepIndex++] = new X0xStep(step);
}
}
public FreeBeeFileReader(string filePath) : base(filePath)
{
using (var reader = new StreamReader(FilePath))
{
K0ntr0lDataSet.PatternRow currentPattern = null;
string line;
while ((line = reader.ReadLine()) != null)
{
line = line.Trim();
if (line.StartsWith(";"))
{
if (line.Contains("ABL3"))
{
Debug.WriteLine("Ignoring ABL3 pattern format");
break;
}
int tempoIndex = line.IndexOf(_tempoMarker, StringComparison.Ordinal);
if (tempoIndex != -1)
{
if (currentPattern == null)
{
currentPattern = CreatePattern();
}
int tempoDotIndex = line.IndexOf('.', tempoIndex);
string tempoValue = line.Substring(tempoIndex + _tempoMarker.Length, tempoDotIndex - (tempoIndex + _tempoMarker.Length));
if (ushort.TryParse(tempoValue, out ushort tempo))
{
currentPattern.Tempo = tempo;
}
}
}
if (line.Length >= X0xStep.FreebeeStepSize && line[0] != ';')
{
if (currentPattern == null)
{
currentPattern = CreatePattern();
}
AddStepToPattern(currentPattern, line);
if (currentPattern.Length == X0xPattern.StepsPerPattern)
{
currentPattern = null;
}
}
}
}
_data.AcceptChanges();
}
private void AddStepToPattern(K0ntr0lDataSet.PatternRow pattern, string freeBeeStep)
{
const string incorrectFormat = "FREEBEE step is incorrectly formatted: '{0}'. {1}.";
string step = freeBeeStep.ToLower().Replace(Environment.NewLine, string.Empty).Trim();
if (step == string.Empty)
{
return;
}
string[] noteComponents = step.Split(new [] { ' ' }, 4);
// Sanity checks...
if (noteComponents.Length != 4)
{
throw new ArgumentException(string.Format(incorrectFormat, step, "Step is too short, something is missing"));
}
if (noteComponents[0].Length != 3)
{
throw new ArgumentException(string.Format(incorrectFormat, step, "Unrecognised note value"));
}
// convert the note value
var noteName = noteComponents[0].Substring(0, 2).Replace("-", string.Empty);
var noteIndex = Array.IndexOf(X0xStep.NoteNames, noteName);
if (noteIndex >= X0xStep.Octave || noteIndex < 0)
{
throw new ArgumentException(string.Format(incorrectFormat, step, "Unrecognised note name"));
}
if (!int.TryParse(noteComponents[0].Substring(2, 1), out var octave))
{
throw new ArgumentException(string.Format(incorrectFormat, step, "Unrecognised octave value"));
}
if (octave < 1)
{
octave = 1;
}
if (octave > 5)
{
octave = 5;
}
int noteValue = noteIndex - 1 + octave * X0xStep.Octave;
// ABL is tuned one octave lower...
noteValue -= X0xStep.Octave;
if (noteValue < X0xStep.LowestNoteValue)
{
noteValue += X0xStep.Octave;
}
else if (noteValue > X0xStep.HighestNoteValue)
{
noteValue -= X0xStep.Octave;
}
_data.Step.AddStepRow(pattern, pattern.Length, (byte)noteValue, noteComponents[1] == "1", noteComponents[3] == "1", noteComponents[2] == "1");
pattern.Length++;
}
