public virtual async Task ReadMessagesAsync(SourceBufferReader buf)
{
var newEngine = Game.MaxSplitscreenClients.HasValue;
var minBytesLeft = newEngine ? 6 : 5;
while (buf.BytesLeft > minBytesLeft)
{
var code = buf.ReadByte();
var type = Game.DefaultMessages[code];
if (type == null)
{
throw new MessageTypeException(code, buf.CurrentByte);
}
var message = (DemoMessage)Activator.CreateInstance(type);
message.Code = code;
message.Tick = buf.Read <int>();
message.Slot = newEngine ? buf.Read <byte>() : default;
await message.Read(buf, this).ConfigureAwait(false);
Messages.Add(message);
}
}
public virtual async Task <SourceDemo> ParseAsync(byte[] content)
{
var demo = new SourceDemo();
var buf = new SourceBufferReader(content);
if (Options.ReadHeader)
{
await demo.ReadHeader(buf).ConfigureAwait(false);
}
if (Options.ReadMessages)
{
await Task.Run <SourceGame>(() => demo.Game = GameBuilder.Invoke(demo)).ConfigureAwait(false);
if (!Options.ReadHeader)
{
buf.SeekBytes(1072);
}
await demo.ReadMessagesAsync(buf).ConfigureAwait(false);
foreach (var message in demo.Messages)
{
if (Options.ReadPackets && message is Packet pa)
{
await demo.Read(pa).ConfigureAwait(false);
continue;
}
if (Options.ReadStringTables && message is StringTables st)
{
await demo.Read(st).ConfigureAwait(false);
continue;
}
if (Options.ReadDataTables && message is DataTables dt)
{
await demo.Read(dt).ConfigureAwait(false);
continue;
}
if (Options.ReadUserCmds && message is UserCmd uc)
{
await demo.Read(uc).ConfigureAwait(false);
continue;
}
}
}
return(demo);
}
public virtual Task ReadHeader(SourceBufferReader buf)
{
HeaderId = buf.ReadString(8);
if (HeaderId != "HL2DEMO\0")
{
throw new SourceException(HeaderId);
}
Protocol = buf.Read <int>();
NetworkProtocol = buf.Read <int>();
ServerName = buf.ReadString(260).TrimEnd('\0');
ClientName = buf.ReadString(260).TrimEnd('\0');
MapName = buf.ReadString(260).TrimEnd('\0');
GameDirectory = buf.ReadString(260).TrimEnd('\0');
PlaybackTime = buf.Read <float>();
PlaybackTicks = buf.Read <int>();
PlaybackFrames = buf.Read <int>();
SignOnLength = buf.Read <int>();
return(Task.CompletedTask);
}