public GameCacheHaloOnline(DirectoryInfo directory)
{
Directory = directory;
TagsFile = new FileInfo(Path.Combine(directory.FullName, "tags.dat"));
TagNamesFile = new FileInfo(Path.Combine(directory.FullName, "tag_list.csv"));
StringIdCacheFile = new FileInfo(Path.Combine(directory.FullName, "string_ids.dat"));
Endianness = EndianFormat.LittleEndian;
var names = TagCacheHaloOnline.LoadTagNames(TagNamesFile.FullName);
using (var stream = TagsFile.OpenRead())
TagCacheGenHO = new TagCacheHaloOnline(stream, names);
if (CacheVersion.Unknown == (Version = CacheVersionDetection.DetectFromTimestamp(TagCacheGenHO.Header.CreationTime, out var closestVersion)))
{
Version = closestVersion;
}
using (var stream = StringIdCacheFile.OpenRead())
StringTableHaloOnline = new StringTableHaloOnline(Version, stream);
DisplayName = Version.ToString();
Deserializer = new TagDeserializer(Version);
Serializer = new TagSerializer(Version);
ResourceCaches = new ResourceCachesHaloOnline(this);
}
/// <summary>
/// Parses a map from a CSV.
/// </summary>
/// <param name="reader">The reader to read from.</param>
/// <returns>The map that was read.</returns>
public static TagVersionMap ParseTagVersionMap(TextReader reader)
{
var result = new TagVersionMap();
// Skip the first line, we don't need it
if (reader.ReadLine() == null)
{
return(result);
}
// Read the timestamp list and resolve each one
var timestampLine = reader.ReadLine();
if (timestampLine == null)
{
return(result);
}
var timestamps = timestampLine.Split(',').Select(t =>
{
if (long.TryParse(t, NumberStyles.HexNumber, null, out long r))
{
return(r);
}
return(-1);
});
var versions = timestamps.Select(t =>
{
return(CacheVersionDetection.DetectFromTimestamp(t, out CacheVersion closest));
}).ToArray();
// Read each line and store the tag indices in the result map
while (true)
{
var line = reader.ReadLine();
if (line == null)
{
break;
}
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
// Parse each tag index as a hex number
var tags = line.Split(',');
var tagIndices = tags.Select(t =>
{
if (int.TryParse(t, NumberStyles.HexNumber, null, out int r))
{
return(r);
}
return(-1);
}).ToArray();
// Now connect all of them to the first tag
for (var i = 1; i < tagIndices.Length; i++)
{
if (tagIndices[i] >= 0)
{
result.Add(versions[0], tagIndices[0], versions[i], tagIndices[i]);
}
}
}
return(result);
}
