public static Chart Read(Stream source)
{
BinaryReaderEx reader = new BinaryReaderEx(source);
Chart result = new Chart();
result.TickRate = new Fraction(1, 58);
int[] lastSample = new int[16];
int eventParameter = 0;
int eventValue = 0;
int eventType = 0;
int eventOffset = 0;
bool notecountMode = true;
bool defaultBPMSet = false;
while (true)
{
eventOffset = reader.ReadUInt16();
eventType = reader.ReadByte();
eventParameter = (eventType >> 4);
eventType &= 0xF;
eventValue = reader.ReadByte();
// end of chart?
if (eventOffset == 0x7FFF)
break;
// ignore events in note count mode
if (notecountMode)
{
if (eventType != 0 || eventOffset > 0)
notecountMode = false;
}
// process events
if (!notecountMode)
{
Entry entry = new Entry();
entry.LinearOffset = new Fraction(eventOffset, 1);
switch (eventType)
{
case 0x0: // marker
switch (eventParameter)
{
case 0x0: entry.Type = EntryType.Marker; entry.Player = 1; entry.Column = 0; entry.Value = new Fraction(lastSample[0x0], 1); break; //key0
case 0x1: entry.Type = EntryType.Marker; entry.Player = 2; entry.Column = 0; entry.Value = new Fraction(lastSample[0x1], 1); break;
case 0x2: entry.Type = EntryType.Marker; entry.Player = 1; entry.Column = 1; entry.Value = new Fraction(lastSample[0x2], 1); break; //key1
case 0x3: entry.Type = EntryType.Marker; entry.Player = 2; entry.Column = 1; entry.Value = new Fraction(lastSample[0x3], 1); break;
case 0x4: entry.Type = EntryType.Marker; entry.Player = 1; entry.Column = 2; entry.Value = new Fraction(lastSample[0x4], 1); break; //key2
case 0x5: entry.Type = EntryType.Marker; entry.Player = 2; entry.Column = 2; entry.Value = new Fraction(lastSample[0x5], 1); break;
case 0x6: entry.Type = EntryType.Marker; entry.Player = 1; entry.Column = 3; entry.Value = new Fraction(lastSample[0x6], 1); break; //key3
case 0x7: entry.Type = EntryType.Marker; entry.Player = 2; entry.Column = 3; entry.Value = new Fraction(lastSample[0x7], 1); break;
case 0x8: entry.Type = EntryType.Marker; entry.Player = 1; entry.Column = 4; entry.Value = new Fraction(lastSample[0x8], 1); break; //key4
case 0x9: entry.Type = EntryType.Marker; entry.Player = 2; entry.Column = 4; entry.Value = new Fraction(lastSample[0x9], 1); break;
case 0xA: entry.Type = EntryType.Marker; entry.Player = 1; entry.Column = 7; entry.Value = new Fraction(lastSample[0xA], 1); break; //scratch
case 0xB: entry.Type = EntryType.Marker; entry.Player = 2; entry.Column = 7; entry.Value = new Fraction(lastSample[0xB], 1); break;
case 0xC: entry.Type = EntryType.Measure; entry.Player = 1; break;
case 0xD: entry.Type = EntryType.Measure; entry.Player = 2; break;
case 0xE: entry.Type = EntryType.Marker; entry.Player = 1; entry.Column = 8; entry.Value = new Fraction(lastSample[0xA], 1); break; //freescratch
case 0xF: entry.Type = EntryType.Marker; entry.Player = 2; entry.Column = 8; entry.Value = new Fraction(lastSample[0xB], 1); break;
}
break;
case 0x1: // sample
switch (eventParameter)
{
case 0x0: entry.Type = EntryType.Sample; entry.Player = 1; entry.Column = 0; lastSample[0x0] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
case 0x1: entry.Type = EntryType.Sample; entry.Player = 2; entry.Column = 0; lastSample[0x1] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
case 0x2: entry.Type = EntryType.Sample; entry.Player = 1; entry.Column = 1; lastSample[0x2] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
case 0x3: entry.Type = EntryType.Sample; entry.Player = 2; entry.Column = 1; lastSample[0x3] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
case 0x4: entry.Type = EntryType.Sample; entry.Player = 1; entry.Column = 2; lastSample[0x4] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
case 0x5: entry.Type = EntryType.Sample; entry.Player = 2; entry.Column = 2; lastSample[0x5] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
case 0x6: entry.Type = EntryType.Sample; entry.Player = 1; entry.Column = 3; lastSample[0x6] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
case 0x7: entry.Type = EntryType.Sample; entry.Player = 2; entry.Column = 3; lastSample[0x7] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
case 0x8: entry.Type = EntryType.Sample; entry.Player = 1; entry.Column = 4; lastSample[0x8] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
case 0x9: entry.Type = EntryType.Sample; entry.Player = 2; entry.Column = 4; lastSample[0x9] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
case 0xA: entry.Type = EntryType.Sample; entry.Player = 1; entry.Column = 7; lastSample[0xA] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
case 0xB: entry.Type = EntryType.Sample; entry.Player = 2; entry.Column = 7; lastSample[0xB] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
case 0xE: entry.Type = EntryType.Sample; entry.Player = 1; entry.Column = 8; lastSample[0xA] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
case 0xF: entry.Type = EntryType.Sample; entry.Player = 2; entry.Column = 8; lastSample[0xB] = eventValue; entry.Value = new Fraction(eventValue, 1); break;
}
break;
case 0x2: // tempo
entry.Type = EntryType.Tempo;
entry.Value = new Fraction((eventParameter * 256) + eventValue, 1);
if (!defaultBPMSet)
{
defaultBPMSet = true;
result.DefaultBPM = entry.Value;
}
break;
case 0x4: // end of song
entry.Type = EntryType.EndOfSong;
break;
case 0x5: // bgm
entry.Type = EntryType.Marker;
entry.Player = 0;
entry.Value = new Fraction(eventValue, 1);
break;
case 0x6: // judgement
entry.Type = EntryType.Judgement;
entry.Value = new Fraction(eventValue, 1);
entry.Parameter = eventParameter;
break;
}
if (entry.Type != EntryType.Invalid)
result.Entries.Add(entry);
}
}
if (result.Entries.Count > 0)
{
result.Entries.Sort();
result.CalculateMetricOffsets();
}
else
{
result = null;
}
return result;
}
/// <summary>
/// Create new PE Object from strean
/// </summary>
/// <param name="stream"></param>
public PE(Stream stream, bool load_full = false)
{
pe = new BinaryReaderEx(stream);
try {
pe.ReadStruct<IMAGE_DOS_HEADER>(out this.dosHeader);
if (dosHeader.e_magic != 0x5A4D) // MZ
throw new Exception("Invalid DOS header");
pe.Seek(dosHeader.e_lfanew);
UInt32 nt_sign = pe.ReadUInt32();
if (nt_sign != 0x4550) // PE
throw new Exception("Invalid PE signature");
pe.ReadStruct<IMAGE_FILE_HEADER>(out fileHeader);
ushort magic = pe.ReadUInt16();
pe.Seek(-2, SeekOrigin.Current);
switch (magic) {
case (ushort)PeType.PE32:
this.peType = PeType.PE32;
pe.ReadStruct<IMAGE_OPTIONAL_HEADER32>(out this.optionalHeader32);
break;
case (ushort)PeType.PE64:
this.peType = PeType.PE64;
pe.ReadStruct<IMAGE_OPTIONAL_HEADER64>(out this.optionalHeader64);
break;
case (ushort)PeType.ROM:
this.peType = PeType.ROM;
break;
default:
throw new Exception("Invalid IMAGE_FILE_HEADER.Magic value");
}
if (this.peType != PeType.ROM) {
this.imageSectionHeaders = pe.ReadStructArray<IMAGE_SECTION_HEADER>(fileHeader.NumberOfSections);
this.loadSections();
if (load_full)
this.LoadFull();
}
} catch (Exception e) {
pe = null;
throw e;
}
}
/*
public static bool operator ==(Properties a, Properties b)
{
return (a.Channel == b.Channel &&
a.Flags == b.Flags &&
a.Frequency == b.Frequency &&
a.Offset == b.Offset &&
a.Panning == b.Panning &&
a.ReverbVolume == b.ReverbVolume &&
a.SampleType == b.SampleType &&
a.Volume == b.Volume
);
}
public static bool operator !=(Properties a, Properties b)
{
return (a.Channel != b.Channel ||
a.Flags != b.Flags ||
a.Frequency != b.Frequency ||
a.Offset != b.Offset ||
a.Panning != b.Panning ||
a.ReverbVolume != b.ReverbVolume ||
a.SampleType != b.SampleType ||
a.Volume != b.Volume
);
}
*/
public static Properties Read(Stream source)
{
BinaryReaderEx reader = new BinaryReaderEx(source);
Properties result = new Properties();
result.Channel = reader.ReadByte();
result.Frequency = reader.ReadUInt16();
result.ReverbVolume = reader.ReadByte();
result.Volume = reader.ReadByte();
result.Panning = reader.ReadByte();
result.Offset = reader.ReadUInt24();
result.SampleType = reader.ReadByte();
result.Flags = reader.ReadByte();
return result;
}
private void ReadRows(BinaryReaderEx r, DataTable table)
{
object[] values = new object[columns.Count];
for (uint i = 0; i < this.RecordCount; i++)
{
uint RowLength = r.ReadUInt16();
for (int j = 0; j < columns.Count; j++)
{
switch (this.columns[j].Type)
{
case 1:
values[j] = r.ReadByte();
break;
case 2:
values[j] = r.ReadUInt16();
break;
case 3:
values[j] = r.ReadUInt32();
break;
case 5:
values[j] = r.ReadSingle();
break;
case 9:
values[j] = r.ReadString(this.ColumnLengths[j]);
break;
case 11:
values[j] = r.ReadUInt32();
break;
case 12:
values[j] = r.ReadByte();
break;
case 13:
values[j] = r.ReadInt16();
break;
case 0x10:
values[j] = r.ReadByte();
break;
case 0x12:
values[j] = r.ReadUInt32();
break;
case 20:
values[j] = r.ReadSByte();
break;
case 0x15:
values[j] = r.ReadInt16();
break;
case 0x16:
values[j] = r.ReadInt32();
break;
case 0x18:
values[j] = r.ReadString(this.ColumnLengths[j]);
break;
case 0x1a: //unk lenght
values[j] = r.ReadString();
break;
case 0x1b:
values[j] = r.ReadUInt32();
break;
}
}
table.Rows.Add(values);
}
}
