private static Sc2Replay ParseReplay(IMpqArchive archive)
{
if (archive == null) throw new ArgumentNullException("archive");
var result = new Sc2Replay();
ParseUserDataHeader(archive, result);
dynamic details = archive.ReadSerializedData("replay.details", false);
result.MapName = Encoding.UTF8.GetString(details[1]);
// parse the date, subtract the time zone to get UTC time
var timeZoneOffset = new TimeSpan((long)details[6]);
var date = DateTime.FromFileTime((long)details[5]);
var adjustedDate = date.Subtract(timeZoneOffset);
result.DatePlayed = DateTime.SpecifyKind(adjustedDate, DateTimeKind.Utc);
result.Players = ParsePlayers(details);
ParseMapInformation(details, result);
// hack: we don't actually parse the replay gateway since I
// haven't been able to find it in the replay file yet.
// for now, we just assume that it's the same as the gateway
// of the map file resource.
result.Gateway = result.MapGateway;
result.Attributes = ParseAttributes(archive);
ApplyAttributes(result);
return result;
}
private static void ApplyAttributes(Sc2Replay replay)
{
foreach (var attribute in replay.Attributes)
{
var stringValue = attribute.StringValue;
Sc2ReplayPlayer player = null;
// player indices are 1-based, and 0 means that the attribute doesn't relate to a player
if (attribute.PlayerIndex > 0 && attribute.PlayerIndex <= replay.Players.Length)
player = replay.Players[attribute.PlayerIndex - 1];
switch (attribute.Type)
{
case Sc2ReplayAttributeType.PlayerType:
if (stringValue.Equals("comp", StringComparison.OrdinalIgnoreCase))
player.Type = Sc2ReplayPlayerType.Computer;
else if (stringValue.Equals("humn", StringComparison.OrdinalIgnoreCase))
player.Type = Sc2ReplayPlayerType.Human;
break;
case Sc2ReplayAttributeType.TeamSize:
replay.TeamSize = stringValue.Trim('\0');
break;
case Sc2ReplayAttributeType.PlayerTeam_1v1:
case Sc2ReplayAttributeType.PlayerTeam_2v2:
case Sc2ReplayAttributeType.PlayerTeam_3v3:
case Sc2ReplayAttributeType.PlayerTeam_4v4:
case Sc2ReplayAttributeType.PlayerTeam_FFA:
var team = stringValue.Trim('\0', 'T');
player.Team = Convert.ToInt32(team);
break;
case Sc2ReplayAttributeType.PlayerRace:
player.SelectedRace = RaceParser.Parse(stringValue);
break;
case Sc2ReplayAttributeType.GameType:
if (stringValue.Equals("priv", StringComparison.OrdinalIgnoreCase))
replay.GameType = Sc2GameType.Custom;
else if (stringValue.Trim('\0').Equals("amm", StringComparison.OrdinalIgnoreCase))
replay.GameType = Sc2GameType.Matchmaking;
break;
}
}
}
private static void ParseMapInformation(dynamic details, Sc2Replay result)
{
var resources = (object[]) details[10];
var mapData = (byte[]) resources.Last();
if (mapData[0] != 's' ||
mapData[1] != '2' ||
mapData[2] != 'm' ||
mapData[3] != 'a' ||
mapData[4] != 0 ||
mapData[5] != 0)
throw new Sc2ReplayParsingException("Replay file format invalid (Error parsing map gateway and hash)");
result.MapGateway = Encoding.UTF8.GetString(mapData, 6, 2);
var mapHashBytes = new byte[32];
Array.Copy(mapData, 8, mapHashBytes, 0, 32);
result.MapHash = string.Join("", mapHashBytes.Select(b => b.ToString("X2"))).ToLowerInvariant();
}
private static void ParseUserDataHeader(IMpqArchive replay, Sc2Replay result)
{
dynamic data = Starcraft2SerializedData.Deserialize(replay.UserDataHeader.UserData, true);
var starcraft2 = (string)data[0];
if (!starcraft2.StartsWith("StarCraft II replay"))
// todo: this is kind of a hack, for some reason there are extra funky characters after "replay". Why?
throw new InvalidOperationException(
String.Format(
"This does not appear to be a SC2 replay file. (Unexpected user header string: '{0}')",
starcraft2));
var buildAndVersion = (IDictionary<long, object>)data[1];
result.Version = new[] { (long)buildAndVersion[0], (long)buildAndVersion[1], (long)buildAndVersion[2], (long)buildAndVersion[3] };
result.Build = new[] { (long)buildAndVersion[4], (long)buildAndVersion[5] };
ValidateBuild(result.Build);
var lengthInTicks = (long)data[3];
result.Length = TimeSpan.FromSeconds(lengthInTicks / 16d);
}
