/// <summary>
/// Parses the embedded message from within a base message
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static object[] ParseEmbeddedMessages(byte[] data)
{
var fs = new MemoryStream(data);
var messages = new LinkedList <object>();
while (fs.Position < fs.Length)
{
ulong kind = DemParser.ReadVarInt(fs);
ulong size = DemParser.ReadVarInt(fs);
var buf = new byte[size];
fs.Read(buf, 0, (int)size);
object message = RuntimeTypeModel.Default.Deserialize(new MemoryStream(buf), null, DemParser.EmbeddedTypeMap[kind]);
messages.AddLast(message);
}
var array = new object[messages.Count];
messages.CopyTo(array, 0);
return(array);
}
/// <summary>
/// Parses a base message and its embedded message (if required)
/// </summary>
/// <param name="fs"></param>
/// <returns></returns>
public static object ParseMessage(Stream fs)
{
ulong kind = DemParser.ReadVarInt(fs);
ulong tick = DemParser.ReadVarInt(fs);
ulong size = DemParser.ReadVarInt(fs);
var buf = new byte[size];
fs.Read(buf, 0, (int)size);
// decompress if needed
bool isCompressed = (kind & DemParser.CompressedKindMask) != 0;
if (isCompressed)
{
kind = kind - DemParser.CompressedKindMask;
buf = Snappy.SnappyCodec.Uncompress(buf);
}
object message = RuntimeTypeModel.Default.Deserialize(new MemoryStream(buf), null, DemParser.BaseTypeMap[kind]);
DemParser.PrintMessage(message, kind, tick, size, buf, isCompressed);
return(message);
}
public Dictionary <ParserPhase, LinkedList <object> > Read(string fileName)
{
using (var fs = new FileStream(fileName, FileMode.Open, FileAccess.Read))
{
var buf = new byte[8];
fs.Read(buf, 0, 8);
if (System.Text.Encoding.UTF8.GetString(buf) != "PBUFDEM\0")
{
throw new InvalidDataException("Invalid Header");
}
buf = new byte[4];
fs.Read(buf, 0, 4);
if (BitConverter.IsLittleEndian != true) // the bit converter requires the bytes in the computer's endian-ness
{
Array.Reverse(buf);
}
//int summaryOffset = BitConverter.ToInt32(buf, 0);
this.Phase = ParserPhase.Prologue;
this._messages[this.Phase] = new LinkedList <object>();
while (fs.Position < fs.Length)
{
object msg = DemParser.ParseMessage(fs);
// special message handling
if (msg is dota2.CDemoSyncTick)
{
this.Phase = ParserPhase.Match;
this._messages[this.Phase] = new LinkedList <object>();
}
else if (msg is dota2.CDemoStop)
{
this.Phase = ParserPhase.Epilogue;
this._messages[this.Phase] = new LinkedList <object>();
}
else if (msg is dota2.IBaseWithEmbedded)
{
var msgBase = msg as dota2.IBaseWithEmbedded;
foreach (object inner in msgBase.EmbeddedMessages)
{
StringTable t;
if (inner is dota2.CSVCMsg_CreateStringTable)
{
t = new StringTable((dota2.CSVCMsg_CreateStringTable)inner);
this._stringTables.Add(t.Name, t);
this.HandleTable(t);
}
else if (inner is dota2.CSVCMsg_UpdateStringTable)
{
var ust = (dota2.CSVCMsg_UpdateStringTable)inner;
t = this._stringTables[ust.table_id];
t.Update(ust);
this.HandleTable(t);
}
}
}
this._messages[this.Phase].AddLast(msg);
}
}
return(this._messages);
}