public static Gvas ReadGvas(Stream stream)
{
using (var reader = new UE_BinaryReader(stream, true))
{
int type_tag = reader.ReadInt32();
if (type_tag != GvasFormat.SaveGameHeader.UE4_SAVEGAME_FILE_TYPE_TAG)
{
throw new NotSupportedException("Only `GVAS` file is supported.");
}
var result = new Gvas();
//
result.Header = SaveGameHeader.Read(reader);
//
var list = new List <UE_Property>();
var ue_prop_reader = new UE_Property_Reader(reader);
while (ue_prop_reader.Read() is UE_Property prop)
{
if (prop is UE_None)
{
break;
}
list.Add(prop);
}
result.PropertyList = list;
//
return(result);
}
}
internal static GvasFormat.SaveGameHeader Read(UE_BinaryReader reader)
{
var result = new GvasFormat.SaveGameHeader();
result.FileTypeTag = GvasFormat.SaveGameHeader.UE4_SAVEGAME_FILE_TYPE_TAG;
{
result.SaveGameFileVersion = reader.ReadInt32();
result.PackageFileUE4Version = reader.ReadInt32();
}
//
var engine_version = new EngineVersion();
{
engine_version.Major = reader.ReadUInt16();
engine_version.Minor = reader.ReadUInt16();
engine_version.Patch = reader.ReadUInt16();
engine_version.ChangeList = reader.ReadUInt32();
engine_version.Branch = reader.ReadString();
}
result.SavedEngineVersion = engine_version;
//
result.CustomVersionFormat = reader.ReadInt32();
//
var version_container = new CustomVersionContainer();
{
version_container.Count = reader.ReadInt32();
version_container.Versions = new CustomVersion[version_container.Count];
for (var i = 0; i < version_container.Count; i++)
{
var version = new CustomVersion();
{
version.Key = new Guid(reader.ReadBytes(16));
version.Version = reader.ReadInt32();
}
version_container.Versions[i] = version;
}
}
result.CustomVersions = version_container;
//
result.SaveGameClassName = reader.ReadString();
return(result);
}
internal UE_Property_Reader(UE_BinaryReader reader)
{
this.reader = reader;
}
