public ChunkData(Stream stream, uint chunkSize = 0)
{
Stream = stream;
Chunks = new List<Chunk>();
var maxRead = (uint)stream.Position + chunkSize;
if (chunkSize == 0)
maxRead = (uint)stream.Length;
maxRead = Math.Min(maxRead, (uint)stream.Length);
var br = new BinaryReader(stream);
var baseOffset = (uint)stream.Position;
var calcOffset = 0u;
while ((calcOffset + baseOffset) < maxRead && (calcOffset < maxRead))
{
var header = new ChunkHeader(br);
calcOffset += 8; // Add 8 bytes as we read header name + size
Chunks.Add(new Chunk(header.Name, header.Size, calcOffset + baseOffset, stream));
calcOffset += header.Size; // Move past the chunk
// We seek from our current position to save some time
if ((calcOffset + baseOffset) < maxRead && calcOffset < maxRead)
stream.Seek(header.Size, SeekOrigin.Current);
}
}
public Chunk(ChunkHeader header, Stream stream)
: this(header.Name, header.Size, (uint)stream.Position, stream)
{
}
public Chunk(ChunkHeader header, Stream stream)
: this(header.Name, header.Size, (uint)stream.Position, stream)
{ }