internal void ReadHeader(PBO pbo)
{
try
{
_client.PushOnEvent($"Starting Header Read for {pbo.LongName}", EventType.Debug);
//Get the signature
PBOFile sig = ReadDatablock();
//_client.PushOnEvent($"Signature read Packing Method: {sig.PackingMethod}", EventType.Debug);
//Look for a prefix
if (sig.PackingMethod == PackingMethod.Product)
{
string possiblePrefix;
do
{
possiblePrefix = ReadString();
if (possiblePrefix != string.Empty)
{
pbo.Prefix = new PBOPrefix(possiblePrefix, ReadString());
}
} while (possiblePrefix != string.Empty);
}
//Read all file header structs
PBOFile file;
do
{
file = ReadDatablock();
if (file.FileName != string.Empty)
{
pbo.Files.Add(file);
_client.PushOnEvent($"File found: {file.FileName}", EventType.Info);
}
} while (file.FileName != string.Empty);
//Update the file offsets for each file
foreach (PBOFile pbofile in pbo.Files)
{
pbofile.Offset = BaseStream.Position;
BaseStream.Position += pbofile.DataSize;
}
_client.PushOnEvent($"Header read successfully from {pbo.LongName}", EventType.Debug);
}
catch (Exception ex)
{
_client.PushOnEvent($"Failed to read header for {pbo.LongName}\n {ex.Message}", EventType.Error);
}
}
/// <summary>
/// Extract specific file data and returns it as a byte[]
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
public byte[] ExtractFileData(PBOFile file)
{
file.Reader.BaseStream.Seek(file.Offset, SeekOrigin.Begin);
return(file.Reader.ReadBytes(file.DataSize));
}
