public void ParseDiskFile(byte[] data)
{
using (var ms = new MemoryStream(data))
{
ParseHeader(ms); // 3 bytes
ParseDiskHeader(ms); // 6 bytes
BankName = ms.ReadNullTerminatedString(BANK_NAME_LENGTH);
BankName2 = ms.ReadNullTerminatedString(BANK_NAME2_LENGTH);
CompanyName = ms.ReadNullTerminatedString(COMPANY_NAME_LENGTH);
CompanyUrl = ms.ReadNullTerminatedString(COMPANY_URL_LENGTH);
NumParameters = ParseNumParameters(ms);
for (var i = 0; i < NUM_DISK_PRESETS; i++)
{
var workaround = false;
var preset = new SpirePreset(NumParameters);
if (i + 1 == NUM_DISK_PRESETS)
{
workaround = true;
}
preset.ParseFromBank(ms, workaround);
Presets.Add(preset);
}
Debug.WriteLine($"Current offset: {ms.Position}, total length: {ms.Length}");
}
}
public void FillMissingParametersFrom(SpirePreset preset)
{
for (var i = NumParameters; i < preset.NumParameters; i++)
{
SetParameter(i, preset.GetParameter(i));
}
NumParameters = preset.NumParameters;
}
/// <summary>
/// Creates a copy of the program and sets the name to "init".
/// </summary>
/// <returns></returns>
public SpirePreset CreateBlank()
{
var sp = new SpirePreset {
ProgramName = "init"
};
StuffAfterProgramName.CopyTo(sp.StuffAfterProgramName, 0);
ProgramData.CopyTo(sp.ProgramData, 0);
return(sp);
}
public int?FindPresetIndex(SpirePreset preset)
{
foreach (var p in Presets)
{
if (p.ProgramData.SequenceEqual(preset.ProgramData))
{
return(Presets.IndexOf(p));
}
}
return(null);
}
public byte[] GenerateMemoryBank(SpirePreset preset, SpireJsonConfig config = null)
{
PrepareForExport(preset);
using (var ms = new MemoryStream())
{
ms.Write(SBF_HEADER);
ms.Write(preset.NumParameters);
preset.Export(ms, true);
ms.Write(SelectedProgramIndex);
// Original bank data
for (var i = 0; i < NUM_DISK_PRESETS; i++)
{
Presets[i].Export(ms);
}
// Modified bank data
for (var i = 0; i < NUM_DISK_PRESETS; i++)
{
if (i == SelectedProgramIndex)
{
// Export the actual preset
preset.Export(ms);
}
else
{
Presets[i].Export(ms);
}
}
if (config != null)
{
ms.WriteByte(0x00);
ms.WriteByte(0x7C);
var json = JsonConvert.SerializeObject(config);
var jsonBytes = Encoding.UTF8.GetBytes(json);
ms.Write(jsonBytes, 0, jsonBytes.Length);
ms.WriteByte(0x00);
}
return(ms.ToArray());
}
}
private void PrepareForExport(SpirePreset preset)
{
var fp = new SpirePreset();
fp.ParseDiskFile(VendorResources.RevealSound_Spire_Blank);
preset.FillMissingParametersFrom(fp);
if (Presets.Count == 0)
{
// Generate blank bank
for (var i = 0; i < NUM_DISK_PRESETS; i++)
{
Presets.Add(preset.CreateBlank());
}
}
if (Presets.Count != NUM_DISK_PRESETS)
{
throw new SpireException($"The number of presets is expected to be {NUM_DISK_PRESETS}, but " +
$"the actual number is {Presets.Count}. This is either a bug in " +
$"PresetMagician, a corrupt preset bank or an unknown format. Please report " +
"this as a bug and include the affected file(s).");
}
var idx = FindPresetIndex(preset);
if (idx != null)
{
SetSelectedProgramIndex((int)idx);
}
else
{
SetSelectedProgramIndex(0);
Presets[0] = preset;
}
foreach (var p in Presets)
{
p.FillMissingParametersFrom(fp);
}
}