public void CreateStringTable(CreateStringTable createStringTable)
{
StringTable stringTable = new StringTable(createStringTable.Name, createStringTable.Flags, createStringTable.MaxEntries);
m_Values[stringTable.Name] = stringTable;
BitStream bitStream = new BitStream(createStringTable.StringData);
Update(bitStream, createStringTable.Name, createStringTable.Flags, createStringTable.NumberOfEntries, createStringTable.MaxEntries, createStringTable.UserDataSize, createStringTable.UserDataSizeInBits, createStringTable.UserDataIsFixedSize);
}
public Header(BitStream bitStream)
{
this.FileType = bitStream.ReadString();
this.DemoProtocol = bitStream.ReadInt32();
this.NetworkProtocol = bitStream.ReadInt32();
this.ServerName = bitStream.ReadString(260);
this.ClientName = bitStream.ReadString(260);
this.MapName = bitStream.ReadString(260);
this.GameDirectory = bitStream.ReadString(260);
this.PlaybackTime = bitStream.ReadFloat();
this.PlaybackTicks = bitStream.ReadInt32();
this.PlaybackFrames = bitStream.ReadInt32();
this.SignOnLength = bitStream.ReadInt32();
}
public Demo(string filePath)
{
using (FileStream fileStream = File.Open(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
m_BitStream = new BitStream(fileStream);
}
this.DataTables = new DataTableCollection(this);
this.Entities = new EntityCollection(this);
this.GameEventHandlers = new GameEventHandlers(this);
this.GameObservers = new GameObserverCollection(this);
this.Header = new Header(m_BitStream);
this.PacketHandlers = new PacketHandlers(this);
this.ServerClasses = new ServerClassCollection(this);
this.StringTables = new StringTableCollection(this);
}
public PlayerInfo(byte[] playerInfoData)
{
BitStream bitStream = new BitStream(playerInfoData);
this.Version = bitStream.ReadBigEndianInt64();
this.XUID = bitStream.ReadBigEndianInt64();
this.Name = bitStream.ReadString(128);
this.UserID = bitStream.ReadBigEndianInt32();
this.GUID = bitStream.ReadString(33);
this.FriendsID = bitStream.ReadBigEndianInt32();
this.FriendsName = bitStream.ReadString(128);
this.IsFakePlayer = bitStream.ReadBool();
this.IsHLTV = bitStream.ReadBool();
this.CustomFileCRCs = new int[4];
for (int i = 0; i < CustomFileCRCs.Length; i++)
{
this.CustomFileCRCs[i] = bitStream.ReadInt32();
}
this.FilesDownloaded = bitStream.ReadChar();
}
private float ReadFloat(BitStream bitStream, DataTableProperty dataTableProperty)
{
float result = 0.0f;
if (ReadSpecialFloat(bitStream, dataTableProperty, out result))
{
return result;
}
ulong interp = bitStream.ReadBits(dataTableProperty.NumberOfBits);
result = (float)interp / ((1 << dataTableProperty.NumberOfBits) - 1);
result = dataTableProperty.LowValue + (dataTableProperty.HighValue - dataTableProperty.LowValue) * result;
return result;
}
private float ReadBitNormal(BitStream bitStream)
{
bool isNegative = bitStream.ReadBit();
uint fractionValue = bitStream.ReadBits(HL2SDK.NORMAL_FRACTIONAL_BITS);
float value = (float)fractionValue * HL2SDK.NORMAL_RESOLUTION;
if (isNegative)
{
value = -value;
}
return value;
}
private float ReadBitCoordMP(BitStream bitStream, bool isIntegral, bool isLowPrecision)
{
float value = 0;
bool isNegative = false;
int integerValue = 0;
int fractionValue = 0;
bool inBounds = bitStream.ReadBit();
if (isIntegral)
{
integerValue = bitStream.ReadBit() ? 1 : 0;
if (integerValue == 1)
{
isNegative = bitStream.ReadBit();
if (inBounds)
{
value = (float)(bitStream.ReadBits(11) + 1);
}
else
{
value = (float)(bitStream.ReadBits(14) + 1);
}
}
}
else
{
integerValue = bitStream.ReadBit() ? 1 : 0;
isNegative = bitStream.ReadBit();
if (integerValue == 1)
{
if (inBounds)
{
value = (float)(bitStream.ReadBits(11) + 1);
}
else
{
value = (float)(bitStream.ReadBits(14) + 1);
}
}
fractionValue = (int)bitStream.ReadBits(isLowPrecision ? 3 : 5);
value = integerValue + ((float)fractionValue * (isLowPrecision ? HL2SDK.COORD_RESOLUTION_LOWPRECISION : HL2SDK.COORD_RESOLUTION));
}
if (isNegative)
{
value = -value;
}
return value;
}
private float ReadBitCoord(BitStream bitStream)
{
float value = 0;
bool isNegative = false;
int integerValue = (int)bitStream.ReadBits(1);
int fractionValue = (int)bitStream.ReadBits(1);
if ((integerValue | fractionValue) != 0)
{
isNegative = bitStream.ReadBit();
if (integerValue == 1)
{
integerValue = (int)bitStream.ReadBits(14) + 1;
}
if (fractionValue == 1)
{
fractionValue = (int)bitStream.ReadBits(HL2SDK.COORD_FRACTIONAL_BITS);
}
value = integerValue + ((float)fractionValue * HL2SDK.COORD_RESOLUTION);
}
if (isNegative)
{
value = -value;
}
return value;
}
public ProtoMessage(byte[] protoMessageData)
{
this.Values = new Dictionary<String, List<Object>>();
BitStream bitStream = new BitStream(protoMessageData);
while ((bitStream.PositionInBytes) < bitStream.LengthInBytes)
{
int key = bitStream.ReadVarint32();
int fieldNumber = key >> 3;
int wireType = key & 7;
object value = null;
switch (wireType)
{
case 0:
{
value = bitStream.ReadVarint32();
break;
}
case 1:
{
Console.WriteLine("ProtoMessage WireType 1");
bitStream.SeekBytes(0, SeekOrigin.End);
break;
}
case 2:
{
int length = bitStream.ReadVarint32();
byte[] buffer = bitStream.ReadBytes(length);
value = buffer;
break;
}
case 5:
{
value = bitStream.ReadFloat();
break;
}
default:
{
Console.WriteLine("Unknown ProtoMessage WireType: {0}", wireType);
bitStream.SeekBytes(0, SeekOrigin.End);
return;
}
}
if (value != null)
{
List<Object> fieldValues;
if (this.Values.TryGetValue(fieldNumber.ToString(), out fieldValues))
{
fieldValues.Add(value);
}
else
{
fieldValues = new List<Object>();
fieldValues.Add(value);
this.Values.Add(fieldNumber.ToString(), fieldValues);
}
}
}
}
private Vector ReadVector(BitStream bitStream, DataTableProperty dataTableProperty)
{
Vector result = new Vector();
result.X = ReadFloat(bitStream, dataTableProperty);
result.Y = ReadFloat(bitStream, dataTableProperty);
if (!dataTableProperty.Flags.HasFlag(DataTablePropertyFlags.Normal))
{
result.Z = ReadFloat(bitStream, dataTableProperty);
}
else
{
bool isNegative = bitStream.ReadBit();
float absolute = result.X * result.X + result.Y * result.Y;
if (absolute < 1.0f)
{
result.Z = (float)Math.Sqrt(1 - absolute);
}
else
{
result.Z = 0f;
}
if (isNegative)
{
result.Z *= -1;
}
}
return result;
}
private bool ReadSpecialFloat(BitStream bitStream, DataTableProperty dataTableProperty, out float result)
{
if (dataTableProperty.Flags.HasFlag(DataTablePropertyFlags.Coord))
{
result = ReadBitCoord(bitStream);
return true;
}
else if (dataTableProperty.Flags.HasFlag(DataTablePropertyFlags.CoordMp))
{
result = ReadBitCoordMP(bitStream, false, false);
return true;
}
else if (dataTableProperty.Flags.HasFlag(DataTablePropertyFlags.CoordMpLowPrecision))
{
result = ReadBitCoordMP(bitStream, false, true);
return true;
}
else if (dataTableProperty.Flags.HasFlag(DataTablePropertyFlags.CoordMpIntegral))
{
result = ReadBitCoordMP(bitStream, true, false);
return true;
}
else if (dataTableProperty.Flags.HasFlag(DataTablePropertyFlags.NoScale))
{
result = bitStream.ReadFloat();
return true;
}
else if (dataTableProperty.Flags.HasFlag(DataTablePropertyFlags.Normal))
{
result = ReadBitNormal(bitStream);
return true;
}
else if (dataTableProperty.Flags.HasFlag(DataTablePropertyFlags.CellCoord))
{
result = ReadBitCellCoord(bitStream, dataTableProperty.NumberOfBits, false, false);
return true;
}
else if (dataTableProperty.Flags.HasFlag(DataTablePropertyFlags.CellCoordLowPrecision))
{
result = ReadBitCellCoord(bitStream, dataTableProperty.NumberOfBits, false, true);
return true;
}
else if (dataTableProperty.Flags.HasFlag(DataTablePropertyFlags.CellCoordIntegral))
{
result = ReadBitCellCoord(bitStream, dataTableProperty.NumberOfBits, true, false);
return true;
}
result = 0;
return false;
}
private void PacketEntities(byte[] packetBuffer)
{
PacketEntities packetEntitys = new PacketEntities(packetBuffer);
BitStream bitStream = new BitStream(packetEntitys.EntityData);
int entityIndex = -1;
EntityHeaderFlags entityHeaderFlags = EntityHeaderFlags.FHDR_ZERO;
EntityUpdateType entityUpdateType = EntityUpdateType.PreserveEnt;
bool isDelta = packetEntitys.IsDelta;
int lastEntityIndex = -1;
int updatedEntries = packetEntitys.UpdatedEntries;
while (entityUpdateType < EntityUpdateType.Finished)
{
updatedEntries--;
bool isEntity = (updatedEntries >= 0) ? true : false;
if (isEntity)
{
entityHeaderFlags = EntityHeaderFlags.FHDR_ZERO;
entityIndex = (int)(bitStream.ReadUBitInt() + lastEntityIndex + 1);
lastEntityIndex = entityIndex;
if (!bitStream.ReadBit())
{
if (bitStream.ReadBit())
{
entityHeaderFlags |= EntityHeaderFlags.FHDR_ENTERPVS;
}
}
else
{
entityHeaderFlags |= EntityHeaderFlags.FHDR_LEAVEPVS;
if (bitStream.ReadBit())
{
entityHeaderFlags |= EntityHeaderFlags.FHDR_DELETE;
}
}
}
for (entityUpdateType = EntityUpdateType.PreserveEnt; entityUpdateType == EntityUpdateType.PreserveEnt;)
{
if (!isEntity || entityIndex > HL2SDK.ENTITY_SENTINEL)
{
entityUpdateType = EntityUpdateType.Finished;
}
else
{
if (entityHeaderFlags.HasFlag(EntityHeaderFlags.FHDR_ENTERPVS))
{
entityUpdateType = EntityUpdateType.EnterPVS;
}
else if (entityHeaderFlags.HasFlag(EntityHeaderFlags.FHDR_LEAVEPVS))
{
entityUpdateType = EntityUpdateType.LeavePVS;
}
else
{
entityUpdateType = EntityUpdateType.DeltaEnt;
}
}
switch (entityUpdateType)
{
case EntityUpdateType.DeltaEnt:
{
Entity entity = m_Demo.Entities.GetEntity(entityIndex);
if (entity != null)
{
entity.Update(bitStream, true);
}
else
{
Console.WriteLine("EntityUpdateType.DeltaEnt: entity == null");
throw new Exception("EntityUpdateType.DeltaEnt: entity == null");
}
break;
}
case EntityUpdateType.EnterPVS:
{
uint serverClassID = bitStream.ReadBits((int)Math.Ceiling(Math.Log(m_Demo.ServerClasses.Count, 2)));
uint seiral = bitStream.ReadBits(10);
ServerClass serverClass = m_Demo.ServerClasses.GetServerClass((int)serverClassID);
Entity entity = new Entity(m_Demo, entityIndex, seiral, serverClass);
entity.Update(bitStream, false);
m_Demo.Entities.Add(entity);
break;
}
case EntityUpdateType.LeavePVS:
{
if (!isDelta)
{
Console.WriteLine("WARNING: EntityUpdateType.LeavePVS on Full Update");
entityUpdateType = EntityUpdateType.Failed;
throw new Exception("WARNING: EntityUpdateType.LeavePVS on Full Update");
}
else
{
m_Demo.Entities.Remove(entityIndex);
}
break;
}
case EntityUpdateType.PreserveEnt:
{
if (!isDelta)
{
Console.WriteLine("WARNING: EntityUpdateType.PreserveEnt on Full Update");
entityUpdateType = EntityUpdateType.Failed;
throw new Exception("WARNING: EntityUpdateType.PreserveEnt on Full Update");
}
else
{
if (entityIndex >= HL2SDK.MAX_EDICTS)
{
Console.WriteLine("EntityUpdateType.PreserveEnt: entityIndex == MAX_EDICTS");
throw new Exception("EntityUpdateType.PreserveEnt: entityIndex == MAX_EDICTS");
}
else
{
}
}
break;
}
}
}
}
}
private void Update(BitStream bitStream, string tableName, int tableFlags, int numberOfEntries, int maxEntries, int userDataSize, int userDataSizeInBits, bool userDataIsFixedSize)
{
bool encodeUsingDictionaries = bitStream.ReadBit();
if (encodeUsingDictionaries)
{
Console.WriteLine("Cannot Decode StringTable Update");
return;
}
List<String> entryHistory = new List<String>();
int lastEntriesIndex = -1;
for (int i = 0; i < numberOfEntries; i++)
{
int entryIndex = lastEntriesIndex + 1;
int entryLength = (int)Math.Log(maxEntries, 2);
if (!bitStream.ReadBit())
{
entryIndex = (int)bitStream.ReadBits(entryLength);
}
lastEntriesIndex = entryIndex;
if (entryIndex < 0 || entryIndex >= maxEntries)
{
Console.WriteLine("Invalid StringTableEntry Index");
return;
}
string entryName = "";
if (bitStream.ReadBit())
{
bool substringCheck = bitStream.ReadBit();
if (substringCheck)
{
int index = (int)bitStream.ReadBits(5);
int bytesToCopy = (int)bitStream.ReadBits(5);
entryName = entryHistory[index].Substring(0, bytesToCopy);
entryName += bitStream.ReadString();
}
else
{
entryName = bitStream.ReadString();
}
}
if (entryHistory.Count > 31)
{
entryHistory.RemoveAt(0);
}
entryHistory.Add(entryName);
byte[] entryData = null;
if (bitStream.ReadBit())
{
if (userDataIsFixedSize)
{
entryData = bitStream.ReadBitsToArray(userDataSizeInBits);
}
else
{
int bytesToRead = (int)bitStream.ReadBits(14);
entryData = bitStream.ReadBytes(bytesToRead);
}
}
StringTableEntry stringTableEntry = new StringTableEntry(entryName, entryIndex, entryData);
Add(tableName, stringTableEntry);
}
}
public void UpdateStringTable(UpdateStringTable updateStringTable)
{
BitStream bitStream = new BitStream(updateStringTable.StringData);
StringTable stringTable = m_Values.Values.ElementAt(updateStringTable.TableID);
Update(bitStream, stringTable.Name, stringTable.Flags, updateStringTable.NumberOfEntriesChanged, stringTable.MaxEntries, 0, 0, false);
}
private bool ProcessTick()
{
DemoCommand demoCommand = (DemoCommand)m_BitStream.ReadByte();
int tickNumber = m_BitStream.ReadInt32();
int playerSlot = m_BitStream.ReadByte();
switch (demoCommand)
{
case DemoCommand.DataTables:
{
int length = m_BitStream.ReadInt32();
byte[] data = m_BitStream.ReadBytes(length);
BitStream bitStream = new BitStream(data);
while (true)
{
int dataTableType = bitStream.ReadVarint32();
int dataTablelength = bitStream.ReadVarint32();
byte[] dataTableData = bitStream.ReadBytes(dataTablelength);
DataTable dataTable = new DataTable(this.DataTables.Count, dataTableData);
if (dataTable.IsEnd)
{
break;
}
else
{
this.DataTables.Add(dataTable);
}
}
int count = bitStream.ReadShort();
for (int i = 0; i < count; i++)
{
int serverClassID = bitStream.ReadShort();
string serverClassName = bitStream.ReadString();
string dataTableName = bitStream.ReadString();
DataTable dataTable = this.DataTables.GetDataTable(dataTableName);
ServerClass serverClass = new ServerClass(serverClassID, serverClassName, dataTable.ID, dataTable.Name);
this.ServerClasses.Add(serverClass);
}
this.ServerClasses.ProcessAllServerClasses();
break;
}
case DemoCommand.Packet:
case DemoCommand.SignOn:
{
m_BitStream.SeekBytes(160, SeekOrigin.Current);
int length = m_BitStream.ReadInt32();
byte[] data = m_BitStream.ReadBytes(length);
BitStream packetReader = new BitStream(data);
while (packetReader.PositionInBytes < packetReader.LengthInBytes)
{
int packetID = packetReader.ReadVarint32();
int packetLength = packetReader.ReadVarint32();
byte[] packetData = packetReader.ReadBytes(packetLength);
PacketType packetType;
if (!Enum.TryParse<PacketType>(packetID.ToString(), out packetType))
{
Console.WriteLine("Unknown Packet Type: {0}", packetID);
break;
}
this.PacketHandlers.OnPacketReceived(packetType, packetData);
}
break;
}
case DemoCommand.Stop:
{
return true;
}
case DemoCommand.StringTables:
{
int length = m_BitStream.ReadInt32();
byte[] data = m_BitStream.ReadBytes(length);
BitStream bitStream = new BitStream(data);
int stringTableCount = bitStream.ReadByte();
for (int i = 0; i < stringTableCount; i++)
{
string stringTableName = bitStream.ReadString();
int entryCount = bitStream.ReadUShort();
for (int j = 0; j < entryCount; j++)
{
string entryName = bitStream.ReadString();
bool entryHasData = bitStream.ReadBit();
byte[] entryData = null;
if (entryHasData)
{
int entryDataLength = bitStream.ReadShort();
entryData = bitStream.ReadBytes(entryDataLength);
}
StringTableEntry stringTableEntry = new StringTableEntry(entryName, entryData);
this.StringTables.Add(stringTableName, stringTableEntry);
}
bool hasExtraTableData = bitStream.ReadBit();
if (hasExtraTableData)
{
int extraTableDataLength = bitStream.ReadShort();
byte[] extraTableData = bitStream.ReadBytes(extraTableDataLength);
}
}
break;
}
case DemoCommand.SyncTick:
{
break;
}
default:
{
Console.WriteLine("Unknown Demo Command: {0}", demoCommand);
break;
}
}
return false;
}
private int ReadInt32(BitStream bitStream, DataTableProperty dataTableProperty)
{
if (dataTableProperty.Flags.HasFlag(DataTablePropertyFlags.Varint))
{
if (dataTableProperty.Flags.HasFlag(DataTablePropertyFlags.Unsigned))
{
return (int)bitStream.ReadVarint32();
}
else
{
return (int)bitStream.ReadVarint32();
}
}
else
{
if (dataTableProperty.Flags.HasFlag(DataTablePropertyFlags.Unsigned))
{
return (int)bitStream.ReadBits(dataTableProperty.NumberOfBits);
}
else
{
return (int)bitStream.ReadBits(dataTableProperty.NumberOfBits);
}
}
}
private object ReadServerClassProperty(BitStream bitStream, ServerClassProperty serverClassProperty)
{
DataTableProperty dataTableProperty = serverClassProperty.DataTableProperty;
object result = null;
switch (dataTableProperty.Type)
{
case DataTablePropertyType.Int:
{
result = ReadInt32(bitStream, dataTableProperty);
break;
}
case DataTablePropertyType.Float:
{
result = ReadFloat(bitStream, dataTableProperty);
break;
}
case DataTablePropertyType.Vector:
{
result = ReadVector(bitStream, dataTableProperty);
break;
}
case DataTablePropertyType.Array:
{
result = ReadArray(bitStream, serverClassProperty);
break;
}
case DataTablePropertyType.String:
{
result = ReadString(bitStream, dataTableProperty);
break;
}
case DataTablePropertyType.VectorXY:
{
result = ReadVectorXY(bitStream, dataTableProperty);
break;
}
default:
{
Console.WriteLine("Unable to Decode Property");
break;
}
}
return result;
}
public void Update(BitStream bitStream)
{
object value;
switch (this.ServerClassProperty.DataTableProperty.Type)
{
case DataTablePropertyType.Int:
{
value = ReadInt32(bitStream, this.ServerClassProperty.DataTableProperty);
break;
}
case DataTablePropertyType.Float:
{
value = ReadFloat(bitStream, this.ServerClassProperty.DataTableProperty);
break;
}
case DataTablePropertyType.Vector:
{
value = ReadVector(bitStream, this.ServerClassProperty.DataTableProperty);
break;
}
case DataTablePropertyType.Array:
{
value = ReadArray(bitStream, this.ServerClassProperty);
break;
}
case DataTablePropertyType.String:
{
value = ReadString(bitStream, this.ServerClassProperty.DataTableProperty);
break;
}
case DataTablePropertyType.VectorXY:
{
value = ReadVectorXY(bitStream, this.ServerClassProperty.DataTableProperty);
break;
}
default:
{
Console.WriteLine("Unable to Decode EntityProperty");
value = null;
break;
}
}
this.Value = value;
}
private string ReadString(BitStream bitStream, DataTableProperty dataTableProperty)
{
int length = (int)bitStream.ReadBits(9);
string result = bitStream.ReadString(length);
return result;
}
private object[] ReadArray(BitStream bitStream, ServerClassProperty serverClassProperty)
{
int numberOfElements = serverClassProperty.DataTableProperty.NumberOfElements;
int maxElements = numberOfElements;
int numberOfBits = 1;
while ((maxElements >>= 1) != 0)
{
numberOfBits++;
}
int count = (int)bitStream.ReadBits(numberOfBits);
object[] result = new object[count];
ServerClassProperty intermediaryServerClassProperty = new ServerClassProperty("", serverClassProperty.ArrayElementProperty, null);
for (int i = 0; i < count; i++)
{
result[i] = ReadServerClassProperty(bitStream, intermediaryServerClassProperty);
}
return result;
}
private Vector ReadVectorXY(BitStream bitStream, DataTableProperty dataTableProperty)
{
Vector result = new Vector();
result.X = ReadFloat(bitStream, dataTableProperty);
result.Y = ReadFloat(bitStream, dataTableProperty);
return result;
}
private float ReadBitCellCoord(BitStream bitStream, int numberOfBits, bool isIntegral, bool isLowPrecision)
{
float value = 0.0f;
int integerValue = 0;
int fractionValue = 0;
if (isIntegral)
{
value = (float)bitStream.ReadBits(numberOfBits);
}
else
{
integerValue = (int)bitStream.ReadBits(numberOfBits);
fractionValue = (int)bitStream.ReadBits(isLowPrecision ? HL2SDK.COORD_FRACTIONAL_BITS_MP_LOWPRECISION : HL2SDK.COORD_FRACTIONAL_BITS);
value = integerValue + ((float)fractionValue * (isLowPrecision ? HL2SDK.COORD_RESOLUTION_LOWPRECISION : HL2SDK.COORD_RESOLUTION));
}
return value;
}
