static void CleanMC1File(Iso9660.IsoImage iso, String filepath)
{
Assert.IsNotNull(iso, nameof(iso));
Assert.IsValidString(filepath, nameof(filepath));
var file = iso.GetFile(filepath);
var buffer = file.GetData();
var count = BitConverter.ToUInt32(buffer, 0);
for (var i = 0; i != count; ++i)
{
var offset = 16 + (i * 32);
var key = System.Text.Encoding.ASCII.GetString(buffer, offset, 16).Trim('\0');
if (Path.GetExtension(key) == ".bin")
{
for (var ii = 0; ii != 32; ++ii)
{
buffer[offset + ii] = 0;
}
}
}
}
static void Update_datalst(Iso9660.IsoImage iso, String filepath)
{
Assert.IsNotNull(iso, nameof(iso));
Assert.IsValidString(filepath, nameof(filepath));
var datalist = iso.GetFile(IsoFilePaths.FilePath_datalst);
var datalistbuffer = datalist.GetData();
var extensionslist = ReadDataLstExtensions(new FileReader(datalistbuffer, Encodings.ASCII));
var filerecord = iso.GetFile(filepath);
var index = FindDataLstIndex(filepath, datalistbuffer, extensionslist);
BinaryIO.WriteIntoBuffer(datalistbuffer, index + 8, filerecord.Record.DataLength, Endian.LittleEndian);
var sectorbytes = new Byte[4];
BinaryIO.WriteIntoBuffer(sectorbytes, 0, filerecord.Record.SectorNumber, Endian.LittleEndian);
for (var i = 0; i != 3; ++i)
{
datalistbuffer[index + 12 + i] = sectorbytes[i];
}
}
static void ClearFileReference(Iso9660.IsoImage iso, String filepath, String key)
{
Assert.IsNotNull(iso, nameof(iso));
Assert.IsValidString(filepath, nameof(filepath));
Assert.IsValidString(key, nameof(key));
var file = iso.GetFile(filepath);
var filebuffer = file.GetData();
var keybytes = Encodings.ASCII.GetBytes(key);
var find_index = FindIndex(filebuffer, 0, keybytes);
if (find_index == -1)
{
return;
}
for (var i = 0; i != 32; ++i)
{
filebuffer[find_index + i] = 0;
}
}
static void UpdateEboot(Iso9660.IsoImage iso, String ebootpath)
{
Assert.IsNotNull(iso, nameof(iso));
Assert.IsValidString(ebootpath, nameof(ebootpath));
var patches = BuildEbootPatches();
var file = iso.GetFile(@"PSP_GAME\SYSDIR\EBOOT.BIN");
var buffer = File.ReadAllBytes(ebootpath);
foreach (var patch in patches)
{
if (patch.Type == BinaryPatchType.Clear)
{
for (var i = 0; i != patch.Count; ++i)
{
buffer[patch.Offset + i] = 0;
}
}
if (patch.Type == BinaryPatchType.Overwrite)
{
if (patch.Buffer != null)
{
Array.Copy(patch.Buffer, 0, buffer, patch.Offset, patch.Buffer.Length);
}
if (patch.Text != null)
{
var stringbytes = EncodedStringUtil.GetBytes(patch.Text, Encodings.ShiftJIS);
Array.Copy(stringbytes, 0, buffer, patch.Offset, stringbytes.Length);
}
}
}
UpdateFileData(iso, file, buffer);
}