public void MessageDeltaDescription()
{
String structureName = bitBuffer.ReadString();
if (demo.NetworkProtocol == 43)
{
bitBuffer.Endian = BitBuffer.EndianType.Big;
}
UInt32 nEntries = bitBuffer.ReadUnsignedBits(16);
HalfLifeDeltaStructure newDeltaStructure = new HalfLifeDeltaStructure(structureName);
AddDeltaStructure(newDeltaStructure);
HalfLifeDeltaStructure deltaDescription = GetDeltaStructure("delta_description_t");
for (UInt16 i = 0; i < nEntries; i++)
{
HalfLifeDelta newDelta = deltaDescription.CreateDelta();
deltaDescription.ReadDelta(bitBuffer, newDelta);
newDeltaStructure.AddEntry(newDelta);
}
bitBuffer.SkipRemainingBits();
bitBuffer.Endian = BitBuffer.EndianType.Little;
}
public Byte[] CreateDeltaBitmask(HalfLifeDelta delta)
{
UInt32 nBitmaskBytes = (UInt32)((entryList.Count / 8) + (entryList.Count % 8 > 0 ? 1 : 0));
Byte[] bitmaskBytes = new Byte[nBitmaskBytes];
for (Int32 i = 0; i < bitmaskBytes.Length; i++)
{
for (Int32 j = 0; j < 8; j++)
{
Int32 index = j + i * 8;
if (index >= entryList.Count)
{
break;
}
if (delta.FindEntryValue(entryList[index].Name) != null)
{
bitmaskBytes[i] |= (Byte)(1 << j);
}
}
}
return(bitmaskBytes);
}
public void WriteDelta(BitWriter bitWriter, HalfLifeDelta delta, Byte[] bitmaskBytes)
{
if (bitmaskBytes == null) // no bitmask bytes
{
bitWriter.WriteUnsignedBits(0, 3);
return;
}
bitWriter.WriteUnsignedBits((UInt32)bitmaskBytes.Length, 3);
for (Int32 i = 0; i < bitmaskBytes.Length; i++)
{
bitWriter.WriteByte(bitmaskBytes[i]);
}
for (Int32 i = 0; i < bitmaskBytes.Length; i++)
{
for (Int32 j = 0; j < 8; j++)
{
Int32 index = j + i * 8;
if (index == entryList.Count)
{
return;
}
if ((bitmaskBytes[i] & (1 << j)) != 0)
{
WriteEntry(delta, bitWriter, entryList[index]);
}
}
}
}
/// <summary>
/// Adds an entry. Delta is assumed to be delta_description_t. Should only need to be called when parsing svc_deltadescription.
/// </summary>
/// <param name="delta"></param>
public void AddEntry(HalfLifeDelta delta)
{
String name = (String)delta.FindEntryValue("name");
UInt32 nBits = (UInt32)delta.FindEntryValue("nBits");
Single divisor = (Single)delta.FindEntryValue("divisor");
EntryFlags flags = (EntryFlags)((UInt32)delta.FindEntryValue("flags"));
//Single preMultiplier = (Single)delta.FindEntryValue("preMultiplier");
AddEntry(name, nBits, divisor, flags);
}
public HalfLifeDelta CreateDelta()
{
HalfLifeDelta delta = new HalfLifeDelta(entryList.Count);
// create delta structure with the same entries as the delta decoder, but no data
foreach (Entry e in entryList)
{
delta.AddEntry(e.Name);
}
return(delta);
}
private void MessageDeltaDescription()
{
if (!demo.ConvertNetworkProtocol() || demo.NetworkProtocol > 43)
{
parser.MessageDeltaDescription();
return;
}
Int32 messageStartOffset = parser.BitBuffer.CurrentByte;
parser.BitBuffer.Endian = BitBuffer.EndianType.Big;
BitWriter bitWriter = new BitWriter();
// read/write message
String structureName = parser.BitBuffer.ReadString();
bitWriter.WriteString(structureName);
UInt32 nEntries = parser.BitBuffer.ReadUnsignedBits(16);
bitWriter.WriteUnsignedBits(nEntries, 16);
HalfLifeDeltaStructure newDeltaStructure = new HalfLifeDeltaStructure(structureName);
parser.AddDeltaStructure(newDeltaStructure);
HalfLifeDeltaStructure deltaDescription = parser.GetDeltaStructure("delta_description_t");
for (UInt16 i = 0; i < nEntries; i++)
{
HalfLifeDelta delta = deltaDescription.CreateDelta();
Byte[] bitmaskBytes;
deltaDescription.ReadDelta(parser.BitBuffer, delta, out bitmaskBytes);
if (demo.Game != null)
{
demo.Game.ConvertDeltaDescriptionCallback(demo.GameVersion, structureName, delta);
}
deltaDescription.WriteDelta(bitWriter, delta, bitmaskBytes);
newDeltaStructure.AddEntry(delta);
}
parser.BitBuffer.SkipRemainingBits();
parser.BitBuffer.Endian = BitBuffer.EndianType.Little;
// insert new message
ReWriteMessage(messageStartOffset, bitWriter.Data);
}
public void ReadDelta(BitBuffer bitBuffer, HalfLifeDelta delta, out Byte[] bitmaskBytes)
{
// read bitmask
UInt32 nBitmaskBytes = bitBuffer.ReadUnsignedBits(3);
// TODO: error check nBitmaskBytes against nEntries
if (nBitmaskBytes == 0)
{
bitmaskBytes = null;
return;
}
bitmaskBytes = new Byte[nBitmaskBytes];
for (Int32 i = 0; i < nBitmaskBytes; i++)
{
bitmaskBytes[i] = bitBuffer.ReadByte();
}
for (Int32 i = 0; i < nBitmaskBytes; i++)
{
for (Int32 j = 0; j < 8; j++)
{
Int32 index = j + i * 8;
if (index == entryList.Count)
{
return;
}
if ((bitmaskBytes[i] & (1 << j)) != 0)
{
Object value = ParseEntry(bitBuffer, entryList[index]);
if (delta != null)
{
delta.SetEntryValue(index, value);
}
}
}
}
}
/// <summary>
/// Adds an entry. Delta is assumed to be delta_description_t. Should only need to be called when parsing svc_deltadescription.
/// </summary>
/// <param name="delta"></param>
public void AddEntry(HalfLifeDelta delta)
{
String name = (String)delta.FindEntryValue("name");
UInt32 nBits = (UInt32)delta.FindEntryValue("nBits");
Single divisor = (Single)delta.FindEntryValue("divisor");
EntryFlags flags = (EntryFlags)((UInt32)delta.FindEntryValue("flags"));
//Single preMultiplier = (Single)delta.FindEntryValue("preMultiplier");
AddEntry(name, nBits, divisor, flags);
}
public virtual void ConvertPacketEntititiesCallback(HalfLifeDelta delta, String entityType, Int32 gameVersion)
{
}
public void ReadDelta(BitBuffer bitBuffer, HalfLifeDelta delta)
{
Byte[] bitmaskBytes;
ReadDelta(bitBuffer, delta, out bitmaskBytes);
}
private void WriteEntry(HalfLifeDelta delta, BitWriter bitWriter, Entry e)
{
Boolean signed = ((e.Flags & EntryFlags.Signed) != 0);
Object value = delta.FindEntryValue(e.Name);
if ((e.Flags & EntryFlags.Byte) != 0)
{
if (signed)
{
SByte writeValue = (SByte)value;
WriteInt(bitWriter, e, (Int32)writeValue);
}
else
{
Byte writeValue = (Byte)value;
WriteUnsignedInt(bitWriter, e, (UInt32)writeValue);
}
}
else if ((e.Flags & EntryFlags.Short) != 0)
{
if (signed)
{
Int16 writeValue = (Int16)value;
WriteInt(bitWriter, e, (Int32)writeValue);
}
else
{
UInt16 writeValue = (UInt16)value;
WriteUnsignedInt(bitWriter, e, (UInt32)writeValue);
}
}
else if ((e.Flags & EntryFlags.Integer) != 0)
{
if (signed)
{
WriteInt(bitWriter, e, (Int32)value);
}
else
{
WriteUnsignedInt(bitWriter, e, (UInt32)value);
}
}
else if ((e.Flags & EntryFlags.Angle) != 0)
{
bitWriter.WriteUnsignedBits((UInt32)((Single)value / (360.0f / (Single)(1 << (Int32)e.nBits))), (Int32)e.nBits);
}
else if ((e.Flags & EntryFlags.String) != 0)
{
bitWriter.WriteString((String)value);
}
else if ((e.Flags & EntryFlags.Float) != 0 || (e.Flags & EntryFlags.TimeWindow8) != 0 || (e.Flags & EntryFlags.TimeWindowBig) != 0)
{
Single writeValue = (Single)value;
Int32 bitsToWrite = (Int32)e.nBits;
if (signed)
{
bitWriter.WriteBoolean(writeValue < 0);
bitsToWrite--;
}
bitWriter.WriteUnsignedBits((UInt32)(Math.Abs(writeValue) * e.Divisor), bitsToWrite);
}
else
{
throw new ApplicationException(String.Format("Unknown delta entry type {0}.", e.Flags));
}
}
private void MessageEvent()
{
if (!demo.ConvertNetworkProtocol())
{
parser.MessageEvent();
return;
}
Int32 messageStartOffset = parser.BitBuffer.CurrentByte;
// read message
if (demo.NetworkProtocol <= 43)
{
parser.BitBuffer.Endian = BitBuffer.EndianType.Big;
}
BitWriter bitWriter = new BitWriter();
HalfLifeDeltaStructure eventStructure = parser.GetDeltaStructure("event_t");
UInt32 nEvents = parser.BitBuffer.ReadUnsignedBits(5);
bitWriter.WriteUnsignedBits(nEvents, 5);
for (Int32 i = 0; i < nEvents; i++)
{
UInt32 eventIndex = parser.BitBuffer.ReadUnsignedBits(10);
bitWriter.WriteUnsignedBits(eventIndex, 10); // event index
Boolean packetIndexBit = parser.BitBuffer.ReadBoolean();
bitWriter.WriteBoolean(packetIndexBit);
if (packetIndexBit)
{
bitWriter.WriteUnsignedBits(parser.BitBuffer.ReadUnsignedBits(11), 11); // packet index
Boolean deltaBit = parser.BitBuffer.ReadBoolean();
bitWriter.WriteBoolean(deltaBit);
if (deltaBit)
{
HalfLifeDelta delta = eventStructure.CreateDelta();
Byte[] bitmaskBytes;
eventStructure.ReadDelta(parser.BitBuffer, delta, out bitmaskBytes);
if (demo.Game != null)
{
demo.Game.ConvertEventCallback(demo, delta, eventIndex);
}
eventStructure.WriteDelta(bitWriter, delta, bitmaskBytes);
}
}
Boolean fireTimeBit = parser.BitBuffer.ReadBoolean();
bitWriter.WriteBoolean(fireTimeBit);
if (fireTimeBit)
{
bitWriter.WriteUnsignedBits(parser.BitBuffer.ReadUnsignedBits(16), 16); // fire time
}
}
parser.BitBuffer.SkipRemainingBits();
parser.BitBuffer.Endian = BitBuffer.EndianType.Little;
// insert new message
ReWriteMessage(messageStartOffset, bitWriter.Data);
}
public void ReadDelta(BitBuffer bitBuffer, HalfLifeDelta delta, out Byte[] bitmaskBytes)
{
// read bitmask
UInt32 nBitmaskBytes = bitBuffer.ReadUnsignedBits(3);
// TODO: error check nBitmaskBytes against nEntries
if (nBitmaskBytes == 0)
{
bitmaskBytes = null;
return;
}
bitmaskBytes = new Byte[nBitmaskBytes];
for (Int32 i = 0; i < nBitmaskBytes; i++)
{
bitmaskBytes[i] = bitBuffer.ReadByte();
}
for (Int32 i = 0; i < nBitmaskBytes; i++)
{
for (Int32 j = 0; j < 8; j++)
{
Int32 index = j + i * 8;
if (index == entryList.Count)
{
return;
}
if ((bitmaskBytes[i] & (1 << j)) != 0)
{
Object value = ParseEntry(bitBuffer, entryList[index]);
if (delta != null)
{
delta.SetEntryValue(index, value);
}
}
}
}
}
public void WriteDelta(BitWriter bitWriter, HalfLifeDelta delta, Byte[] bitmaskBytes)
{
if (bitmaskBytes == null) // no bitmask bytes
{
bitWriter.WriteUnsignedBits(0, 3);
return;
}
bitWriter.WriteUnsignedBits((UInt32)bitmaskBytes.Length, 3);
for (Int32 i = 0; i < bitmaskBytes.Length; i++)
{
bitWriter.WriteByte(bitmaskBytes[i]);
}
for (Int32 i = 0; i < bitmaskBytes.Length; i++)
{
for (Int32 j = 0; j < 8; j++)
{
Int32 index = j + i * 8;
if (index == entryList.Count)
{
return;
}
if ((bitmaskBytes[i] & (1 << j)) != 0)
{
WriteEntry(delta, bitWriter, entryList[index]);
}
}
}
}
public virtual void ConvertPacketEntititiesCallback(HalfLifeDelta delta, String entityType, Int32 gameVersion)
{
}
public virtual void ConvertEventCallback(Demo demo, HalfLifeDelta delta, UInt32 eventIndex)
{
}
private void WriteEntry(HalfLifeDelta delta, BitWriter bitWriter, Entry e)
{
Boolean signed = ((e.Flags & EntryFlags.Signed) != 0);
Object value = delta.FindEntryValue(e.Name);
if ((e.Flags & EntryFlags.Byte) != 0)
{
if (signed)
{
SByte writeValue = (SByte)value;
WriteInt(bitWriter, e, (Int32)writeValue);
}
else
{
Byte writeValue = (Byte)value;
WriteUnsignedInt(bitWriter, e, (UInt32)writeValue);
}
}
else if ((e.Flags & EntryFlags.Short) != 0)
{
if (signed)
{
Int16 writeValue = (Int16)value;
WriteInt(bitWriter, e, (Int32)writeValue);
}
else
{
UInt16 writeValue = (UInt16)value;
WriteUnsignedInt(bitWriter, e, (UInt32)writeValue);
}
}
else if ((e.Flags & EntryFlags.Integer) != 0)
{
if (signed)
{
WriteInt(bitWriter, e, (Int32)value);
}
else
{
WriteUnsignedInt(bitWriter, e, (UInt32)value);
}
}
else if ((e.Flags & EntryFlags.Angle) != 0)
{
bitWriter.WriteUnsignedBits((UInt32)((Single)value / (360.0f / (Single)(1 << (Int32)e.nBits))), (Int32)e.nBits);
}
else if ((e.Flags & EntryFlags.String) != 0)
{
bitWriter.WriteString((String)value);
}
else if ((e.Flags & EntryFlags.Float) != 0 || (e.Flags & EntryFlags.TimeWindow8) != 0 || (e.Flags & EntryFlags.TimeWindowBig) != 0)
{
Single writeValue = (Single)value;
Int32 bitsToWrite = (Int32)e.nBits;
if (signed)
{
bitWriter.WriteBoolean(writeValue < 0);
bitsToWrite--;
}
bitWriter.WriteUnsignedBits((UInt32)(Math.Abs(writeValue) * e.Divisor), bitsToWrite);
}
else
{
throw new ApplicationException(String.Format("Unknown delta entry type {0}.", e.Flags));
}
}
private void MessageClientData()
{
if (demo.Perspective == Demo.Perspectives.Hltv)
{
return;
}
if (!demo.ConvertNetworkProtocol() || demo.IsBetaSteam())
{
parser.MessageClientData();
return;
}
// read message
Int32 messageStartOffset = parser.BitBuffer.CurrentByte;
if (demo.NetworkProtocol <= 43)
{
parser.BitBuffer.Endian = BitBuffer.EndianType.Big;
}
BitWriter bitWriter = new BitWriter();
HalfLifeDeltaStructure clientDataStructure = parser.GetDeltaStructure("clientdata_t");
HalfLifeDeltaStructure weaponDataStructure = parser.GetDeltaStructure("weapon_data_t");
Boolean deltaSequence = parser.BitBuffer.ReadBoolean();
bitWriter.WriteBoolean(deltaSequence);
UInt32 deltaSequenceNumber = 0;
if (deltaSequence)
{
deltaSequenceNumber = parser.BitBuffer.ReadUnsignedBits(8);
bitWriter.WriteUnsignedBits(deltaSequenceNumber, 8);
}
HalfLifeDelta clientData = clientDataStructure.CreateDelta();
Byte[] clientDataBitmaskBytes;
clientDataStructure.ReadDelta(parser.BitBuffer, clientData, out clientDataBitmaskBytes);
clientDataStructure.WriteDelta(bitWriter, clientData, clientDataBitmaskBytes);
while (parser.BitBuffer.ReadBoolean())
{
bitWriter.WriteBoolean(true);
if (demo.NetworkProtocol < 47 && !demo.IsBetaSteam())
{
bitWriter.WriteUnsignedBits(parser.BitBuffer.ReadUnsignedBits(5), 6);
}
else
{
bitWriter.WriteUnsignedBits(parser.BitBuffer.ReadUnsignedBits(6), 6);
}
HalfLifeDelta weaponData = weaponDataStructure.CreateDelta();
Byte[] bitmaskBytes;
weaponDataStructure.ReadDelta(parser.BitBuffer, weaponData, out bitmaskBytes);
weaponDataStructure.WriteDelta(bitWriter, weaponData, bitmaskBytes);
}
bitWriter.WriteBoolean(false);
parser.BitBuffer.SkipRemainingBits();
parser.BitBuffer.Endian = BitBuffer.EndianType.Little;
// insert new message
ReWriteMessage(messageStartOffset, bitWriter.Data);
}
private void MessageDeltaPacketEntities()
{
if (!demo.ConvertNetworkProtocol() || demo.IsBetaSteam())
{
parser.MessageDeltaPacketEntities();
return;
}
Int32 messageStartOffset = parser.BitBuffer.CurrentByte;
BitWriter bitWriter = new BitWriter();
// read message
bitWriter.WriteUInt16(parser.BitBuffer.ReadUInt16()); // nEntities/maxEntities
if (demo.NetworkProtocol <= 43)
{
parser.BitBuffer.Endian = BitBuffer.EndianType.Big;
}
bitWriter.WriteByte(parser.BitBuffer.ReadByte()); // delta sequence number
UInt32 entityNumber = 0;
while (true)
{
// check for footer
UInt16 footer = parser.BitBuffer.ReadUInt16();
if (footer == 0)
{
bitWriter.WriteUInt16(footer);
break;
}
parser.BitBuffer.SeekBits(-16);
// option bits
Boolean removeEntity = parser.BitBuffer.ReadBoolean();
bitWriter.WriteBoolean(removeEntity);
Boolean absoluteEntityNumber = parser.BitBuffer.ReadBoolean();
bitWriter.WriteBoolean(absoluteEntityNumber);
// entity number
if (absoluteEntityNumber)
{
entityNumber = parser.BitBuffer.ReadUnsignedBits(11);
bitWriter.WriteUnsignedBits(entityNumber, 11);
}
else
{
UInt32 deltaEntityNumber = parser.BitBuffer.ReadUnsignedBits(6);
bitWriter.WriteUnsignedBits(deltaEntityNumber, 6);
entityNumber += deltaEntityNumber;
}
if (!removeEntity)
{
// entity type
Boolean custom = parser.BitBuffer.ReadBoolean();
bitWriter.WriteBoolean(custom);
if (demo.NetworkProtocol <= 43)
{
parser.BitBuffer.SeekBits(1); // unknown, always 0
}
String entityType = "entity_state_t";
if (entityNumber > 0 && entityNumber <= demo.MaxClients)
{
entityType = "entity_state_player_t";
}
else if (custom)
{
entityType = "custom_entity_state_t";
}
// delta compressed data
Byte[] bitmaskBytes;
HalfLifeDeltaStructure deltaDecoder = parser.GetDeltaStructure(entityType);
HalfLifeDelta deltaEntity = deltaDecoder.CreateDelta();
deltaDecoder.ReadDelta(parser.BitBuffer, deltaEntity, out bitmaskBytes);
if (demo.Game != null)
{
demo.Game.ConvertPacketEntititiesCallback(deltaEntity, entityType, demo.GameVersion);
}
deltaDecoder.WriteDelta(bitWriter, deltaEntity, bitmaskBytes);
}
}
parser.BitBuffer.SkipRemainingBits();
parser.BitBuffer.Endian = BitBuffer.EndianType.Little;
// insert new message
ReWriteMessage(messageStartOffset, bitWriter.Data);
}
private void MessagePacketEntities()
{
if (!demo.ConvertNetworkProtocol())
{
parser.MessagePacketEntities();
return;
}
Int32 messageStartOffset = parser.BitBuffer.CurrentByte;
BitWriter bitWriter = new BitWriter();
// read message into new message
bitWriter.WriteUInt16(parser.BitBuffer.ReadUInt16()); // nEntities/maxEntities
if (demo.NetworkProtocol <= 43)
{
parser.BitBuffer.Endian = BitBuffer.EndianType.Big;
}
UInt32 entityNumber = 0;
while (true)
{
UInt16 footer = parser.BitBuffer.ReadUInt16();
if (footer == 0)
{
bitWriter.WriteUInt16(footer);
break;
}
else
{
parser.BitBuffer.SeekBits(-16);
}
if (!parser.BitBuffer.ReadBoolean()) // entity number isn't last entity number + 1, need to read it in
{
bitWriter.WriteBoolean(false);
// is the following entity number absolute, or relative from the last one?
if (parser.BitBuffer.ReadBoolean())
{
bitWriter.WriteBoolean(true);
entityNumber = parser.BitBuffer.ReadUnsignedBits(11);
bitWriter.WriteUnsignedBits(entityNumber, 11);
}
else
{
bitWriter.WriteBoolean(false);
UInt32 entityNumberDelta = parser.BitBuffer.ReadUnsignedBits(6);
bitWriter.WriteUnsignedBits(entityNumberDelta, 6);
entityNumber += entityNumberDelta;
}
}
else
{
bitWriter.WriteBoolean(true);
entityNumber++;
}
Boolean custom = parser.BitBuffer.ReadBoolean();
bitWriter.WriteBoolean(custom);
Boolean baseline = parser.BitBuffer.ReadBoolean();
bitWriter.WriteBoolean(baseline);
if (baseline)
{
bitWriter.WriteUnsignedBits(parser.BitBuffer.ReadUnsignedBits(6), 6); // baseline index
}
String entityType = "entity_state_t";
if (entityNumber > 0 && entityNumber <= demo.MaxClients)
{
entityType = "entity_state_player_t";
}
else if (custom)
{
entityType = "custom_entity_state_t";
}
HalfLifeDeltaStructure entityStateStructure = parser.GetDeltaStructure(entityType);
HalfLifeDelta delta = entityStateStructure.CreateDelta();
Byte[] bitmaskBytes;
entityStateStructure.ReadDelta(parser.BitBuffer, delta, out bitmaskBytes);
if (demo.Game != null)
{
demo.Game.ConvertPacketEntititiesCallback(delta, entityType, demo.GameVersion);
}
entityStateStructure.WriteDelta(bitWriter, delta, bitmaskBytes);
}
parser.BitBuffer.SkipRemainingBits();
parser.BitBuffer.Endian = BitBuffer.EndianType.Little;
// insert new message
ReWriteMessage(messageStartOffset, bitWriter.Data);
}
private void MessageSpawnBaseline()
{
if (!demo.ConvertNetworkProtocol())
{
parser.MessageSpawnBaseline();
return;
}
Int32 messageStartOffset = parser.BitBuffer.CurrentByte;
BitWriter bitWriter = new BitWriter();
// read message into new message
if (demo.NetworkProtocol <= 43)
{
parser.BitBuffer.Endian = BitBuffer.EndianType.Big;
}
while (true)
{
UInt32 entityIndex = parser.BitBuffer.ReadUnsignedBits(11);
bitWriter.WriteUnsignedBits(entityIndex, 11);
if (entityIndex == (1 << 11) - 1) // all 1's
{
break;
}
UInt32 entityType = parser.BitBuffer.ReadUnsignedBits(2);
bitWriter.WriteUnsignedBits(entityType, 2);
String entityTypeString;
if ((entityType & 1) != 0)
{
if (entityIndex > 0 && entityIndex <= demo.MaxClients)
{
entityTypeString = "entity_state_player_t";
}
else
{
entityTypeString = "entity_state_t";
}
}
else
{
entityTypeString = "custom_entity_state_t";
}
HalfLifeDeltaStructure deltaStructure = parser.GetDeltaStructure(entityTypeString);
HalfLifeDelta delta = deltaStructure.CreateDelta();
Byte[] bitmaskBytes;
deltaStructure.ReadDelta(parser.BitBuffer, delta, out bitmaskBytes);
if (demo.Game != null)
{
demo.Game.ConvertPacketEntititiesCallback(delta, entityTypeString, demo.GameVersion);
}
deltaStructure.WriteDelta(bitWriter, delta, bitmaskBytes);
}
UInt32 footer = parser.BitBuffer.ReadUnsignedBits(5); // should be all 1's
bitWriter.WriteUnsignedBits(footer, 5);
if (footer != (1 << 5) - 1)
{
throw new ApplicationException("Bad svc_spawnbaseline footer.");
}
UInt32 nExtraData = parser.BitBuffer.ReadUnsignedBits(6);
bitWriter.WriteUnsignedBits(nExtraData, 6);
HalfLifeDeltaStructure entityStateStructure = parser.GetDeltaStructure("entity_state_t");
for (Int32 i = 0; i < nExtraData; i++)
{
HalfLifeDelta delta = entityStateStructure.CreateDelta();
Byte[] bitmaskBytes;
entityStateStructure.ReadDelta(parser.BitBuffer, delta, out bitmaskBytes);
entityStateStructure.WriteDelta(bitWriter, delta, bitmaskBytes);
}
parser.BitBuffer.Endian = BitBuffer.EndianType.Little;
parser.BitBuffer.SkipRemainingBits();
// insert new message
ReWriteMessage(messageStartOffset, bitWriter.Data);
}
public HalfLifeDelta CreateDelta()
{
HalfLifeDelta delta = new HalfLifeDelta(entryList.Count);
// create delta structure with the same entries as the delta decoder, but no data
foreach (Entry e in entryList)
{
delta.AddEntry(e.Name);
}
return delta;
}
public Byte[] CreateDeltaBitmask(HalfLifeDelta delta)
{
UInt32 nBitmaskBytes = (UInt32)((entryList.Count / 8) + (entryList.Count % 8 > 0 ? 1 : 0));
Byte[] bitmaskBytes = new Byte[nBitmaskBytes];
for (Int32 i = 0; i < bitmaskBytes.Length; i++)
{
for (Int32 j = 0; j < 8; j++)
{
Int32 index = j + i * 8;
if (index >= entryList.Count)
{
break;
}
if (delta.FindEntryValue(entryList[index].Name) != null)
{
bitmaskBytes[i] |= (Byte)(1 << j);
}
}
}
return bitmaskBytes;
}
public virtual void ConvertEventCallback(Demo demo, HalfLifeDelta delta, UInt32 eventIndex)
{
}
public void ReadDelta(BitBuffer bitBuffer, HalfLifeDelta delta)
{
Byte[] bitmaskBytes;
ReadDelta(bitBuffer, delta, out bitmaskBytes);
}
public virtual void ConvertDeltaDescriptionCallback(Int32 gameVersion, String deltaStructureName, HalfLifeDelta delta)
{
}
public virtual void ConvertDeltaDescriptionCallback(Int32 gameVersion, String deltaStructureName, HalfLifeDelta delta)
{
}