public byte[] Save()
{
int length = 6;
foreach (SEQ seq in seqs)
{
length += 13;
length += seq.Data.Length;
}
byte[] data = new byte [length];
BEBitConv.ToInt32(data, 0, Magic);
BEBitConv.ToInt16(data, 4, Version);
int offset = 6;
for (int i = 0; i < seqs.Count; i++)
{
SEQ seq = seqs[i];
BEBitConv.ToInt16(data, offset, (short)i);
BEBitConv.ToInt16(data, offset + 2, seq.Resolution);
MIDIConv.To3BE(data, offset + 4, seq.Tempo);
BEBitConv.ToInt16(data, offset + 7, seq.Rhythm);
BEBitConv.ToInt32(data, offset + 9, seq.Data.Length);
offset += 13;
seq.Data.CopyTo(data, offset);
offset += seq.Data.Length;
}
return(data);
}
private void Menu_Replace_SEQ()
{
int i = musicentrycontroller.MusicEntry.SEP.SEQs.IndexOf(seq);
byte[] data = FileUtil.OpenFile(FileFilters.SEQ,FileFilters.Any);
if (data != null)
{
seq = SEQ.Load(data);
musicentrycontroller.MusicEntry.SEP.SEQs[i] = seq;
}
}
public static SEP Load(byte[] data,int seqcount)
{
if (data == null)
throw new ArgumentNullException("data");
if (seqcount < 0)
throw new ArgumentOutOfRangeException("seqcount");
// All SEP/SEQ stuff is big-endian, like MIDI
if (data.Length < 6)
{
ErrorManager.SignalError("SEP: Data is too short");
}
int magic = BEBitConv.FromInt32(data,0);
short version = BEBitConv.FromInt16(data,4);
if (magic != Magic)
{
ErrorManager.SignalIgnorableError("SEP: Magic number is wrong");
}
if (version != Version)
{
ErrorManager.SignalIgnorableError("SEP: Version number is wrong");
}
int offset = 6;
SEQ[] seqs = new SEQ [seqcount];
for (int i = 0;i < seqcount;i++)
{
if (data.Length < offset + 13)
{
ErrorManager.SignalError("SEP: Data is too short");
}
short seqid = BEBitConv.FromInt16(data,offset);
short resolution = BEBitConv.FromInt16(data,offset + 2);
// tempo is 3 (yes, three) bytes
int tempo = MIDIConv.From3BE(data,offset + 4);
short rhythm = BEBitConv.FromInt16(data,offset + 7);
int length = BEBitConv.FromInt32(data,offset + 9);
if (seqid != i)
{
ErrorManager.SignalIgnorableError("SEP: Track number is wrong");
}
if (length < 0)
{
ErrorManager.SignalError("SEP: Track length is negative");
}
offset += 13;
if (data.Length < offset + length)
{
ErrorManager.SignalError("SEP: Data is too short");
}
byte[] seqdata = new byte [length];
Array.Copy(data,offset,seqdata,0,length);
seqs[i] = new SEQ(resolution,tempo,rhythm,seqdata);
offset += length;
}
return new SEP(seqs);
}
public SEQController(MusicEntryController musicentrycontroller,SEQ seq)
{
this.musicentrycontroller = musicentrycontroller;
this.seq = seq;
Node.Text = "SEQ";
Node.ImageKey = "seq";
Node.SelectedImageKey = "seq";
AddMenu("Replace SEQ",Menu_Replace_SEQ);
AddMenu("Delete SEQ",Menu_Delete_SEQ);
AddMenuSeparator();
AddMenu("Export SEQ",Menu_Export_SEQ);
AddMenu("Export SEQ as MIDI",Menu_Export_SEQ_MIDI);
}
public static SEP Load(byte[] data, int seqcount)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
if (seqcount < 0)
{
throw new ArgumentOutOfRangeException("seqcount");
}
// All SEP/SEQ stuff is big-endian, like MIDI
if (data.Length < 6)
{
ErrorManager.SignalError("SEP: Data is too short");
}
int magic = BEBitConv.FromInt32(data, 0);
short version = BEBitConv.FromInt16(data, 4);
if (magic != Magic)
{
ErrorManager.SignalIgnorableError("SEP: Magic number is wrong");
}
if (version != Version)
{
ErrorManager.SignalIgnorableError("SEP: Version number is wrong");
}
int offset = 6;
SEQ[] seqs = new SEQ [seqcount];
for (int i = 0; i < seqcount; i++)
{
if (data.Length < offset + 13)
{
ErrorManager.SignalError("SEP: Data is too short");
}
short seqid = BEBitConv.FromInt16(data, offset);
short resolution = BEBitConv.FromInt16(data, offset + 2);
// tempo is 3 (yes, three) bytes
int tempo = MIDIConv.From3BE(data, offset + 4);
short rhythm = BEBitConv.FromInt16(data, offset + 7);
int length = BEBitConv.FromInt32(data, offset + 9);
if (seqid != i)
{
ErrorManager.SignalIgnorableError("SEP: Track number is wrong");
}
if (length < 0)
{
ErrorManager.SignalError("SEP: Track length is negative");
}
offset += 13;
if (data.Length < offset + length)
{
ErrorManager.SignalError("SEP: Data is too short");
}
byte[] seqdata = new byte [length];
Array.Copy(data, offset, seqdata, 0, length);
seqs[i] = new SEQ(resolution, tempo, rhythm, seqdata);
offset += length;
}
return(new SEP(seqs));
}
