private int ReadNoteLength(int DefaultTick, int MasterTick, MmlFileReader m)
{
int Tick = DefaultTick;
if (m.IsNextLine())
{
return(Tick);
}
var ch = m.FetchCharacter();
if (ch == '%')
{
m.StepNextCharacter();
Tick = ReadNumber(m);
}
else
{
if (char.IsDigit(ch))
{
int Len = ReadNumber(m, Default: -1);
if (Len <= 0)
{
Error.Add(ErrorData.Type.NoteLengthIsWrong);
}
else
{
Tick = MasterTick / Len;
}
}
ch = m.FetchCharacter();
int AddTick = Tick;
while (ch == '.')
{
AddTick /= 2;
Tick += AddTick;
m.StepNextCharacter();
ch = m.FetchCharacter();
}
}
return(Tick);
}
private void ReadItem(MmlFileReader m)
{
char ch = m.FetchCharacter();
switch (ch)
{
case '#': ReadHeader(m); break;
case '%': ReadEffect(m); break;
case '@': ReadTone(m); break;
case '$': ReadMacro(m); break;
default: ReadTrack(m); break;
}
}
private void Note(SongData Song, TrackData Track, Command Command, MmlFileReader m)
{
var NoteNumber = NoteToNumber[Command.Name];
var cmd = Track.AddCommand(CommandType.Note);
Track.SetLastNote(cmd);
var ct = m.FetchType();
if (m.IsNextLine())
{
cmd.Value = NoteNumber;
cmd.Tick = Track.DefaultTick;
return;
}
var ch = m.FetchCharacter();
bool Shift = false;
if (ch == '-')
{
Shift = true; NoteNumber++;
}
if (ch == '+')
{
Shift = true; NoteNumber++;
}
if (Shift)
{
m.StepNextCharacter();
}
cmd.Value = NoteNumber;
var Tick = ReadNoteLength(Track.DefaultTick, Song.MasterTick, m);
cmd.Tick = Tick;
}
