private static IEnumerable<Block> GetAllBlocks(string file)
{
// try old CotAB file types
FileStream fsA = new FileStream(file, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.Read);
var fileA = new BinaryReader(fsA);
int dataOffset = fileA.ReadInt16() + 2;
List<HeaderEntry> headers = new List<HeaderEntry>();
const int headerEntrySize = 9;
for (int i = 0; i < ((dataOffset - 2) / headerEntrySize); i++)
{
HeaderEntry dhe = new HeaderEntry();
dhe.id = fileA.ReadByte();
dhe.offset = fileA.ReadInt32();
dhe.rawSize = fileA.ReadUInt16();
dhe.compSize = fileA.ReadUInt16();
//Console.WriteLine(dhe);
headers.Add(dhe);
}
foreach (var dhe in headers)
{
byte[] comp = new byte[dhe.compSize];
if (dhe.rawSize < 0)
{
fileA.BaseStream.Seek(dataOffset + dhe.offset, SeekOrigin.Begin);
comp = fileA.ReadBytes(dhe.compSize);
yield return new Block(file, dhe.id, comp);
}
else
{
byte[] raw = new byte[dhe.rawSize];
fileA.BaseStream.Seek(dataOffset + dhe.offset, SeekOrigin.Begin);
comp = fileA.ReadBytes(dhe.compSize);
Decode(dhe.rawSize, dhe.compSize, raw, comp);
yield return new Block(file, dhe.id, raw);
}
}
if (fileA.BaseStream.Position != fileA.BaseStream.Length)
{
Console.WriteLine("Wrong Size!");
}
}