// returns new time cursor
public int Write(int timeCursor, MidiWriter mw)
{
if (letterName.Is(LN.NA))
{
return(timeCursor);
}
// pitch
int p = GetMidiPitchValue();
mw.WriteMidiNumber((ushort)(offset - timeCursor));
mw.WriteByte(0x90);
System.Diagnostics.Debug.Assert(p <= 0x7f);
mw.WriteByte((byte)p);
System.Diagnostics.Debug.Assert(volume <= 0x7f);
mw.WriteByte((byte)volume);
// stop note
mw.WriteMidiNumber((ushort)(length));
mw.WriteByte(0x90);
mw.WriteByte((byte)p);
mw.WriteByte((byte)0);
return(offset + length);
}
public void Write(BinaryWriter a)
{
MidiWriter mw = new MidiWriter(a);
int timeCursor = 0;
foreach (Note n in noteList)
{
timeCursor = n.Write(timeCursor, mw);
}
}
public void WriteTrackHeader(int partDataBytes, BinaryWriter a)
{
MidiWriter mw = new MidiWriter(a);
mw.WriteByte((byte)'M');
mw.WriteByte((byte)'T');
mw.WriteByte((byte)'r');
mw.WriteByte((byte)'k');
// trackData = partData + trackFooter(4 bytes)
mw.WriteBE4(partDataBytes + 4);
}
public void WriteMidiHeader(BinaryWriter a)
{
MidiWriter mw = new MidiWriter(a);
mw.WriteByte((byte)'M');
mw.WriteByte((byte)'T');
mw.WriteByte((byte)'h');
mw.WriteByte((byte)'d');
mw.WriteBE4(6);
mw.WriteBE2(1);
mw.WriteBE2(nTrack);
mw.WriteBE2(tempo);
}
public int CountMidiBytes(ref int timeCursorRW)
{
if (letterName.Is(LN.NA))
{
return(0);
}
int bytes =
MidiWriter.CountMidiNumberBytes((ushort)(offset - timeCursorRW))
+ 3 +
MidiWriter.CountMidiNumberBytes((ushort)(length))
+ 3;
timeCursorRW = offset + length;
return(bytes);
}
public void WriteTrackFooter(BinaryWriter a)
{
MidiWriter mw = new MidiWriter(a);
mw.WriteBE4(0x00ff2f00);
}
