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 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); }