private CrpHeader parseHeader()
{
CrpHeader output = new CrpHeader();
output.formatVersion = reader.ReadUInt16();
output.packageName = reader.ReadString();
string encryptedAuthor = reader.ReadString();
if (encryptedAuthor.Length > 0)
{
output.authorName = CryptoUtils.Decrypt(encryptedAuthor);
}
else
{
output.authorName = "Unknown";
}
output.pkgVersion = reader.ReadUInt32();
output.mainAssetName = reader.ReadString();
output.numAssets = reader.ReadInt32();
output.contentBeginIndex = reader.ReadInt64();
output.assets = new List <CrpAssetInfoHeader>();
for (int i = 0; i < output.numAssets; i++)
{
CrpAssetInfoHeader info = new CrpAssetInfoHeader();
info.assetName = reader.ReadString();
info.assetChecksum = reader.ReadString();
info.assetType = (Consts.AssetTypeMapping)(reader.ReadInt32());
if (info.assetType == Consts.AssetTypeMapping.userLut)
{
output.isLut = true;
}
info.assetOffsetBegin = reader.ReadInt64();
info.assetSize = reader.ReadInt64();
output.assets.Add(info);
}
return(output);
}
/// <summary>
/// Special Parser for LUTs, we're only grabbing the headerless PNG file (for now)
/// </summary>
/// <param name="header"></param>
/// <param name="saveFiles"></param>
/// <param name="isVerbose"></param>
private void parseLut(CrpHeader header, bool saveFiles, bool isVerbose)
{
//Find the first instance of data(PNG file)
CrpAssetInfoHeader info = header.assets.Find(asset => asset.assetName.Contains(Consts.DATA_EXTENSION));
//Generate a name for the file
string fileName = string.Format("{0}.png", StrUtils.limitStr(info.assetName), info.assetType.ToString());
//Should be unnessecary in current version(stream pointer should already be at start of file),
//but advance stream pointer to file position
reader.BaseStream.Seek(info.assetOffsetBegin, SeekOrigin.Current);
//Read file and deal with it as apporiate.
MagickImage retVal = ImgParser.parseImgFile(reader, (uint)info.assetSize);
if (isVerbose)
{
Console.WriteLine("Read image file {0}", fileName);
}
if (saveFiles)
{
retVal.Write(fileName);
}
}
