public void Deserialize(Stream input)
{
var magic = input.ReadValueU32(Endian.Big);
input.Seek(-4, SeekOrigin.Current);
if (magic == CDRMFile.Magic)
{
input = CDRMFile.Decompress(input);
}
var version = input.ReadValueU32();
if (version != 14 && version.Swap() != 14 &&
version != 19 && version.Swap() != 19 &&
version != 21 && version.Swap() != 21)
{
throw new FormatException();
}
if (version == 14 || version == 19 || version == 21)
{
this.Endianness = Endian.Little;
}
else
{
this.Endianness = Endian.Big;
}
this.Version = this.Endianness == Endian.Little ? version : version.Swap();
if (this.Version == 14)
{
throw new NotSupportedException("TRL/TRA not supported");
}
if (this.Version == 21)
{
throw new NotSupportedException("DX3 not supported");
}
if (input.Length < 24)
{
throw new FormatException("not enough data for header");
}
var unknown04_Size = input.ReadValueU32(this.Endianness);
var unknown08_Size = input.ReadValueU32(this.Endianness);
var unknown0C = input.ReadValueU32(this.Endianness); // extra data after first block?
var unknown10 = input.ReadValueU32(this.Endianness);
var sectionCount = input.ReadValueU32(this.Endianness);
Debug.Assert((unknown0C + unknown10) == 0, "unk hdr val not 0");
if (unknown0C != 0)
{
throw new FormatException(); //why?
}
var sectionHeaders = new DRM.SectionHeader[sectionCount];
for (uint i = 0; i < sectionCount; i++)
{
sectionHeaders[i] = new DRM.SectionHeader();
sectionHeaders[i].Deserialize(input, this.Endianness);
}
this.Unknown08s.Clear();
using (var unknown08_Data = input.ReadToMemoryStream(unknown08_Size))
{
while (unknown08_Data.Position < unknown08_Data.Length)
{
this.Unknown08s.Add(unknown08_Data.ReadStringZ(Encoding.ASCII));
}
}
this.Unknown04s.Clear();
using (var unknown04_Data = input.ReadToMemoryStream(unknown04_Size))
{
while (unknown04_Data.Position < unknown04_Data.Length)
{
this.Unknown04s.Add(unknown04_Data.ReadStringZ(Encoding.ASCII));
}
}
var sections = new DRM.Section[sectionCount];
for (int i = 0; i < sectionCount; i++)
{
var sectionHeader = sectionHeaders[i];
var section = new DRM.Section();
section.Id = sectionHeader.Id;
section.Type = sectionHeader.Type;
section.Flags = (byte)(sectionHeader.Flags & 0xFF);
section.Unknown05 = sectionHeader.Unknown05;
section.Unknown06 = sectionHeader.Unknown06;
section.Unknown10 = sectionHeader.Unknown10;
if ((sectionHeader.Unknown05 & 1) != 0)
{
throw new NotImplementedException();
}
if (sectionHeader.HeaderSize > 0)
{
using (var buffer = input.ReadToMemoryStream(sectionHeader.HeaderSize))
{
var resolver = new DRM.Resolver();
resolver.Deserialize(buffer, this.Endianness);
section.Resolver = resolver;
}
}
if (sectionHeader.DataSize > 0)
{
section.Data = input.ReadToMemoryStream(sectionHeader.DataSize);
}
else
{
section.Data = null;
}
sections[i] = section;
}
this.Sections.Clear();
this.Sections.AddRange(sections);
}
public Stream Serialize()
{
MemoryStream data = new MemoryStream();
uint sectionCount = (uint)this.Sections.Count;
Stream[] resolvers = new MemoryStream[sectionCount]; // for serialized resolvers
uint unknown04_size = 0;
uint unknown08_size = 0;
// Write DRM Header
data.WriteValueU32(this.Version, this.Endianness);
data.WriteValueU32(0); // skip for now
data.WriteValueU32(0); // skip for now
data.WriteValueU32(0); // unknown0C
data.WriteValueU32(0); // unknown10
data.WriteValueU32(sectionCount, this.Endianness);
// Write DRM Section Headers
for (int i = 0; i < sectionCount; i++)
{
DRM.Section section = this.Sections[i];
// Serialize resolvers to get length, data will be used later
uint resolverLen;
if (section.Resolver != null)
{
resolvers[i] = section.Resolver.Serialize(this.Endianness);
resolverLen = (uint)resolvers[i].Length;
}
else
{
resolvers[i] = null;
resolverLen = 0;
}
data.WriteValueU32((uint)section.Data.Length, this.Endianness);
data.WriteValueU8((byte)section.Type);
data.WriteValueU8(section.Unknown05);
data.WriteValueU16(section.Unknown06, this.Endianness);
data.WriteValueU32((uint)section.Flags | (resolverLen << 8), this.Endianness);
data.WriteValueU32(section.Id, this.Endianness);
data.WriteValueU32(section.Unknown10, this.Endianness);
}
// Write Unknown08s
for (int i = 0; i < Unknown08s.Count; i++)
{
unknown08_size += ((uint)Unknown08s[i].Length + 1);
data.WriteStringZ(Unknown08s[i]);
}
// Write Unknown04s
for (int i = 0; i < Unknown04s.Count; i++)
{
unknown04_size += ((uint)Unknown04s[i].Length + 1);
data.WriteStringZ(Unknown04s[i]);
}
// Write DRM Section Data
for (int i = 0; i < sectionCount; i++)
{
if (resolvers[i] != null)
{
data.WriteFromStream(resolvers[i], resolvers[i].Length);
}
data.WriteFromStream(this.Sections[i].Data, this.Sections[i].Data.Length);
this.Sections[i].Data.Position = 0;
}
// Go back and write unknowns length
data.Seek(4, SeekOrigin.Begin);
data.WriteValueU32(unknown04_size);
data.WriteValueU32(unknown08_size);
data.Position = 0;
return(data);
}
public void Deserialize(Stream input)
{
var magic = input.ReadValueU32(Endian.Big);
input.Seek(-4, SeekOrigin.Current);
if (magic == CDRMFile.Magic)
{
input = CDRMFile.Decompress(input);
}
var version = input.ReadValueU32();
if (version != 14 && version.Swap() != 14 &&
version != 19 && version.Swap() != 19 &&
version != 21 && version.Swap() != 21)
{
throw new FormatException();
}
if (version == 14 || version == 19 || version == 21)
this.Endianness = Endian.Little;
else
this.Endianness = Endian.Big;
this.Version = this.Endianness == Endian.Little ? version : version.Swap();
if (this.Version == 14)
{
throw new NotSupportedException("TRL/TRA not supported");
}
if (this.Version == 21)
{
throw new NotSupportedException("DX3 not supported");
}
if (input.Length < 24)
{
throw new FormatException("not enough data for header");
}
var unknown04_Size = input.ReadValueU32(this.Endianness);
var unknown08_Size = input.ReadValueU32(this.Endianness);
var unknown0C = input.ReadValueU32(this.Endianness); // extra data after first block?
var unknown10 = input.ReadValueU32(this.Endianness);
var sectionCount = input.ReadValueU32(this.Endianness);
Debug.Assert((unknown0C + unknown10) == 0, "unk hdr val not 0");
if (unknown0C != 0)
{
throw new FormatException(); //why?
}
var sectionHeaders = new DRM.SectionHeader[sectionCount];
for (uint i = 0; i < sectionCount; i++)
{
sectionHeaders[i] = new DRM.SectionHeader();
sectionHeaders[i].Deserialize(input, this.Endianness);
}
this.Unknown08s.Clear();
using (var unknown08_Data = input.ReadToMemoryStream(unknown08_Size))
{
while (unknown08_Data.Position < unknown08_Data.Length)
{
this.Unknown08s.Add(unknown08_Data.ReadStringZ(Encoding.ASCII));
}
}
this.Unknown04s.Clear();
using (var unknown04_Data = input.ReadToMemoryStream(unknown04_Size))
{
while (unknown04_Data.Position < unknown04_Data.Length)
{
this.Unknown04s.Add(unknown04_Data.ReadStringZ(Encoding.ASCII));
}
}
var sections = new DRM.Section[sectionCount];
for (int i = 0; i < sectionCount; i++)
{
var sectionHeader = sectionHeaders[i];
var section = new DRM.Section();
section.Id = sectionHeader.Id;
section.Type = sectionHeader.Type;
section.Flags = (byte)(sectionHeader.Flags & 0xFF);
section.Unknown05 = sectionHeader.Unknown05;
section.Unknown06 = sectionHeader.Unknown06;
section.Unknown10 = sectionHeader.Unknown10;
if ((sectionHeader.Unknown05 & 1) != 0)
{
throw new NotImplementedException();
}
if (sectionHeader.HeaderSize > 0)
{
using (var buffer = input.ReadToMemoryStream(sectionHeader.HeaderSize))
{
var resolver = new DRM.Resolver();
resolver.Deserialize(buffer, this.Endianness);
section.Resolver = resolver;
}
}
if (sectionHeader.DataSize > 0)
{
section.Data = input.ReadToMemoryStream(sectionHeader.DataSize);
}
else
{
section.Data = null;
}
sections[i] = section;
}
this.Sections.Clear();
this.Sections.AddRange(sections);
}
