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); }