/// <summary>
/// Reads data asynchronously from the game's allocated save file into a buffer, starting at a given offset and up to a
/// given length.
/// </summary>
/// <param name="name"></param>
/// <param name="offset"></param>
/// <param name="length"></param>
/// <param name="callback"></param>
public void ReadAsyncPartial(string name, ulong offset, ulong length, ReadAsyncPartialHandler callback)
{
GCHandle wrapped = GCHandle.Alloc(callback);
Methods.ReadAsyncPartial(methodsPtr, name, offset, length, GCHandle.ToIntPtr(wrapped),
ReadAsyncPartialCallbackImpl);
}
private static void ReadAsyncPartialCallbackImpl(IntPtr ptr, Result result, IntPtr dataPtr, int dataLen)
{
GCHandle h = GCHandle.FromIntPtr(ptr);
ReadAsyncPartialHandler callback = (ReadAsyncPartialHandler)h.Target;
h.Free();
byte[] data = new byte[dataLen];
Marshal.Copy(dataPtr, data, 0, dataLen);
callback(result, data);
}