示例#1
0
        public static G3D ReadG3d(this Stream stream, Func <string, string> renameFunc = null)
        {
            var header = G3dHeader.Default;

            GeometryAttribute ReadAttribute(Stream s2, string name, long size)
            {
                var rename = renameFunc?.Invoke(name) ?? name;

                // Check for the G3dHeader
                if (rename == "meta")
                {
                    if (size == 8)
                    {
                        var buffer = s2.ReadArray <byte>((int)size);
                        if (buffer[0] == G3dHeader.MagicA && buffer[1] == G3dHeader.MagicB)
                        {
                            header = G3dHeader.FromBytes(buffer);
                        }
                    }
                    else
                    {
                        s2.ReadArray <byte>((int)size);
                    }
                    return(null);
                }
                else
                {
                    // Figure out the correct type and then read it in
                    var desc = AttributeDescriptor.Parse(rename);
                    var dflt = desc.ToDefaultAttribute(0);
                    return(dflt.Read(stream, size));
                }
            }

            var results = stream.ReadBFast(ReadAttribute).Select(r => r.Item2);

            return(new G3D(results.Where(x => x != null), header));
        }
示例#2
0
 public static G3D Create(G3dHeader header, params GeometryAttribute[] attributes)
 => new G3D(attributes, header);