void CHLTVDemoRecorder::WriteMessages( unsigned char cmd, bf_write &message )
{
int len = message.GetNumBytesWritten();
if (len <= 0)
return;
// fill last bits in last byte with NOP if necessary
int nRemainingBits = message.GetNumBitsWritten() % 8;
if ( nRemainingBits > 0 && nRemainingBits <= (8-NETMSG_TYPE_BITS) )
{
message.WriteUBitLong( net_NOP, NETMSG_TYPE_BITS );
}
Assert( len < NET_MAX_MESSAGE );
// if signondata read as fast as possible, no rewind
// and wait for packet time
// byte cmd = (m_pDemoFileHeader != NULL) ? dem_signon : dem_packet;
if ( cmd == dem_packet )
{
m_nFrameCount++;
}
// write command & time
m_DemoFile.WriteCmdHeader( cmd, GetRecordingTick() );
// write NULL democmdinfo just to keep same format as client demos
democmdinfo_t info;
Q_memset( &info, 0, sizeof( info ) );
m_DemoFile.WriteCmdInfo( info );
// write continously increasing sequence numbers
m_DemoFile.WriteSequenceInfo( m_SequenceInfo, m_SequenceInfo );
m_SequenceInfo++;
// Output the buffer. Skip the network packet stuff.
m_DemoFile.WriteRawData( (char*)message.GetBasePointer(), len );
if ( tv_debug.GetInt() > 1 )
{
Msg( "Writing SourceTV demo message %i bytes at file pos %i\n", len, m_DemoFile.GetCurPos( false ) );
}
}
int CNetworkStringTable::WriteUpdate( CBaseClient *client, bf_write &buf, int tick_ack )
{
CUtlVector< StringHistoryEntry > history;
int entriesUpdated = 0;
int lastEntry = -1;
int count = m_pItems->Count();
for ( int i = 0; i < count; i++ )
{
CNetworkStringTableItem *p = &m_pItems->Element( i );
// Client is up to date
if ( p->GetTickChanged() <= tick_ack )
continue;
int nStartBit = buf.GetNumBitsWritten();
// Write Entry index
if ( (lastEntry+1) == i )
{
buf.WriteOneBit( 1 );
}
else
{
buf.WriteOneBit( 0 );
buf.WriteUBitLong( i, m_nEntryBits );
}
// check if string can use older string as base eg "models/weapons/gun1" & "models/weapons/gun2"
char const *pEntry = m_pItems->String( i );
if ( p->GetTickCreated() > tick_ack )
{
// this item has just been created, send string itself
buf.WriteOneBit( 1 );
int substringsize = 0;
int bestprevious = GetBestPreviousString( history, pEntry, substringsize );
if ( bestprevious != -1 )
{
buf.WriteOneBit( 1 );
buf.WriteUBitLong( bestprevious, 5 ); // history never has more than 32 entries
buf.WriteUBitLong( substringsize, SUBSTRING_BITS );
buf.WriteString( pEntry + substringsize );
}
else
{
buf.WriteOneBit( 0 );
buf.WriteString( pEntry );
}
}
else
{
buf.WriteOneBit( 0 );
}
// Write the item's user data.
int len;
const void *pUserData = GetStringUserData( i, &len );
if ( pUserData && len > 0 )
{
buf.WriteOneBit( 1 );
if ( IsUserDataFixedSize() )
{
// Don't have to send length, it was sent as part of the table definition
buf.WriteBits( pUserData, GetUserDataSizeBits() );
}
else
{
buf.WriteUBitLong( len, CNetworkStringTableItem::MAX_USERDATA_BITS );
buf.WriteBits( pUserData, len*8 );
}
}
else
{
buf.WriteOneBit( 0 );
}
// limit string history to 32 entries
if ( history.Count() > 31 )
{
history.Remove( 0 );
}
// add string to string history
StringHistoryEntry she;
Q_strncpy( she.string, pEntry, sizeof( she.string ) );
history.AddToTail( she );
entriesUpdated++;
lastEntry = i;
if ( client && client->IsTracing() )
{
int nBits = buf.GetNumBitsWritten() - nStartBit;
client->TraceNetworkMsg( nBits, " [%s] %d:%s ", GetTableName(), i, GetString( i ) );
}
}
return entriesUpdated;
}
inline bool NET_SendDatagram(bool subchans = false)
{
if (senddata.GetNumBytesWritten() == 0)
{
return false;
}
unsigned char flags = 0;
netdatagram.WriteLong(netchan->m_nOutSequenceNr); // outgoing sequence
netdatagram.WriteLong(netchan->m_nInSequenceNr); // incoming sequence
bf_write flagpos = netdatagram;
netdatagram.WriteByte(0); // flags
netdatagram.WriteWord(0); // crc16
int nCheckSumStart = netdatagram.GetNumBytesWritten();
netdatagram.WriteByte(netchan->m_nInReliableState);
if (subchans)
{
flags |= PACKET_FLAG_RELIABLE;
}
netdatagram.WriteBits(senddata.GetData(), senddata.GetNumBitsWritten()); // Data
int nMinRoutablePayload = MIN_ROUTABLE_PAYLOAD;
while ((netdatagram.GetNumBytesWritten() < MIN_ROUTABLE_PAYLOAD&&netdatagram.GetNumBitsWritten() % 8 != 0))
{
netdatagram.WriteUBitLong(0, NETMSG_TYPE_BITS);
}
flagpos.WriteByte(flags);
void *pvData = datagram + nCheckSumStart;
if (pvData)
{
int nCheckSumBytes = netdatagram.GetNumBytesWritten() - nCheckSumStart;
if (nCheckSumBytes > 0)
{
unsigned short usCheckSum = BufferToShortChecksum(pvData, nCheckSumBytes);
flagpos.WriteUBitLong(usCheckSum, 16);
netchan->m_nOutSequenceNr++;
net.SendTo(serverip, serverport, datagram, netdatagram.GetNumBytesWritten());
}
}
NET_ResetDatagram();
return true;
}