private void ParseVariablePause(string line, Variable variable)
{
++currentIndex;
var pauseElement = new PauseElement();
if (line[currentIndex] == '_')
{
++currentIndex;
string numStr;
currentIndex = ParserHelper.ReadNumber(line, currentIndex, true, out numStr);
if (string.IsNullOrEmpty(numStr))
{
throw new CompilationException($"'{line[currentIndex]}' isn't a number at {currentLine}:{currentIndex}");
}
pauseElement.Duration = PianoSettings.Instance().GetNoteDuration(GetDuration(numStr));
}
else if (line[currentIndex] == '@')
{
++currentIndex;
string varName;
currentIndex = ParserHelper.ReadWord(line, currentIndex, out varName);
if (string.IsNullOrEmpty(varName))
{
throw new CompilationException($"Invalid variable name at {currentLine}:{currentIndex}");
}
pauseElement.WaitForVariable = varName;
}
else
{
string numStr;
currentIndex = ParserHelper.ReadNumber(line, currentIndex, false, out numStr);
if (string.IsNullOrEmpty(numStr))
{
throw new CompilationException($"'{line[currentIndex]}' isn't a number at {currentLine}:{currentIndex}");
}
bool ok = double.TryParse(numStr, out pauseElement.Duration);
if (!ok)
{
throw new CompilationException($"'{numStr}' isn't a number at {currentLine}:{currentIndex}");
}
}
variable.Elements.Add(pauseElement);
}
public static WavInfo GetNote(string note, int pressLevel, double duration)
{
var settings = PianoSettings.Instance();
return(WavEditor.Modify(
WavIO.Load($"D:\\Projects\\PianoGenerator\\PianoGenerator\\bin\\Debug\\Resources\\Notes\\{settings.GetNoteName(note, pressLevel)}")
)
.FreezeRegion(0, duration)
.MultiplyWith((double x, double i) => Math.Max(0, 1 - settings.GetReleaseKeyK() * i), true)
.GetWav());
}
public static WavInfo GetNote(string note, int pressLevel, PianoSettings.NoteDuration duration)
{
return(GetNote(note, pressLevel, PianoSettings.Instance().GetNoteDuration(duration)));
}
private void ParseVariableNote(string line, Variable variable)
{
var noteElement = new NoteElement();
if (line[currentIndex] == '~')
{
noteElement.Note = ParseRelativeVariable(line, variable);
}
else
{
StringBuilder note = new StringBuilder(line.Substring(currentIndex, 2), 3);
if (line[currentIndex] < 'A' || line[currentIndex] > 'G')
{
throw new CompilationException($"Expected a value between 'A' and 'G' not '{line[currentIndex]}' at {currentLine}:{currentIndex}");
}
if (line[currentIndex + 1] < '1' || line[currentIndex + 1] > '6')
{
throw new CompilationException($"Expected a value between '1' and '6' not '{line[currentIndex + 1]}' at {currentLine}:{currentIndex}");
}
currentIndex += 2;
if (line[currentIndex] == '#' || line[currentIndex] == 'b')
{
if (line[currentIndex] == '#')
{
HigherNote(note);
}
if (!HasBemolle(note))
{
throw new CompilationException($"'{note}' note hasn't a bemolle! (at {currentLine}:{currentIndex})");
}
note.Append(note[1]);//move a number to the 3rd position
note[1] = 'b';
++currentIndex;
}
noteElement.Note = note.ToString();
}
if (line[currentIndex] != '!')
{
throw new CompilationException($"Expected '!' at {currentLine}:{currentIndex}");
}
++currentIndex;
if (!char.IsDigit(line[currentIndex]))
{
throw new CompilationException($"Expected digit at {currentLine}:{currentIndex}");
}
noteElement.PressLevel = line[currentIndex] - '0';
if (noteElement.PressLevel > 3 || noteElement.PressLevel < 1)
{
throw new CompilationException($"Invalid press value '{noteElement.PressLevel}' at {currentLine}:{currentIndex}");
}
++currentIndex;
if (line[currentIndex] == '_')
{
++currentIndex;
if (!char.IsDigit(line[currentIndex]))
{
throw new CompilationException($"Expected a digit at {currentLine}:{currentIndex}");
}
string numberStr;
currentIndex = ParserHelper.ReadNumber(line, currentIndex, true, out numberStr);
if (string.IsNullOrEmpty(numberStr))
{
throw new CompilationException($"Expected a number at {currentLine}:{currentIndex}");
}
noteElement.Duration = PianoSettings.Instance().GetNoteDuration(GetDuration(numberStr));
}
else if (line[currentIndex] == '=')
{
++currentIndex;
string numberStr;
currentIndex = ParserHelper.ReadNumber(line, currentIndex, false, out numberStr);
if (string.IsNullOrEmpty(numberStr))
{
throw new CompilationException($"Expected a number at {currentLine}:{currentIndex}");
}
double duration;
bool ok = double.TryParse(numberStr, out duration);
if (!ok)
{
throw new CompilationException($"Expected a number at {currentLine}:{currentIndex}");
}
noteElement.Duration = duration;
}
else
{
throw new CompilationException($"Expected '_' or '=' at {currentLine}:{currentIndex}");
}
variable.Elements.Add(noteElement);
}