1HEADmaster

1 files changed, 1735 insertions, 0 deletions

diff --git a/engine/baseclient.cpp b/engine/baseclient.cpp
new file mode 100644
index 0000000..9e501e3
--- /dev/null
+++ b/engine/baseclient.cpp
@@ -0,0 +1,1735 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:  baseclient.cpp: implementation of the CBaseClient class.
+//
+//===========================================================================//
+
+
+#include "client_pch.h"
+#include "tier0/etwprof.h"
+#include "eiface.h"
+#include "baseclient.h"
+#include "server.h"
+#include "host.h"
+#include "networkstringtable.h"
+#include "framesnapshot.h"
+#include "GameEventManager.h"
+#include "LocalNetworkBackdoor.h"
+#include "dt_send_eng.h"
+#ifndef SWDS
+#include "vgui_baseui_interface.h"
+#endif
+#include "sv_remoteaccess.h" // NotifyDedicatedServerUI()
+#include "MapReslistGenerator.h"
+#include "sv_steamauth.h"
+#include "matchmaking.h"
+#include "iregistry.h"
+#include "sv_main.h"
+#include "hltvserver.h"
+#include <ctype.h>
+#if defined( REPLAY_ENABLED )
+#include "replay_internal.h"
+#endif
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+extern IServerGameDLL	*serverGameDLL;
+extern ConVar tv_enable;
+
+ConVar sv_namechange_cooldown_seconds( "sv_namechange_cooldown_seconds", "30.0", FCVAR_NONE, "When a client name change is received, wait N seconds before allowing another name change" );
+ConVar sv_netspike_on_reliable_snapshot_overflow( "sv_netspike_on_reliable_snapshot_overflow", "0", FCVAR_NONE, "If nonzero, the server will dump a netspike trace if a client is dropped due to reliable snapshot overflow" );
+ConVar sv_netspike_sendtime_ms( "sv_netspike_sendtime_ms", "0", FCVAR_NONE, "If nonzero, the server will dump a netspike trace if it takes more than N ms to prepare a snapshot to a single client.  This feature does take some CPU cycles, so it should be left off when not in use." );
+ConVar sv_netspike_output( "sv_netspike_output", "1", FCVAR_NONE, "Where the netspike data be written?  Sum of the following values: 1=netspike.txt, 2=ordinary server log" );
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+CBaseClient::CBaseClient()
+{
+	// init all pointers
+	m_NetChannel = NULL;
+	m_ConVars = NULL;
+	m_Server = NULL;
+	m_pBaseline = NULL;
+	m_bIsHLTV = false;
+#if defined( REPLAY_ENABLED )
+	m_bIsReplay = false;
+#endif
+	m_bConVarsChanged = false;
+	m_bInitialConVarsSet = false;
+	m_bSendServerInfo = false;
+	m_bFullyAuthenticated = false;
+	m_fTimeLastNameChange = 0.0;
+	m_szPendingNameChange[0] = '\0';
+	m_bReportFakeClient = true;
+	m_iTracing = 0;
+	m_bPlayerNameLocked = false;
+}
+
+CBaseClient::~CBaseClient()
+{
+}
+
+
+void CBaseClient::SetRate(int nRate, bool bForce )
+{
+	if ( m_NetChannel )
+		m_NetChannel->SetDataRate( nRate );
+}
+
+int	CBaseClient::GetRate( void ) const
+{
+	if ( m_NetChannel )
+	{
+		return m_NetChannel->GetDataRate(); 
+	}
+	else
+	{
+		return 0;
+	}
+}
+
+bool CBaseClient::FillUserInfo( player_info_s &userInfo )
+{
+	Q_memset( &userInfo, 0, sizeof(userInfo) );
+
+	if ( !m_Name[0] || !IsConnected() )
+		return false; // inactive user, no more data available
+
+	Q_strncpy( userInfo.name, GetClientName(), MAX_PLAYER_NAME_LENGTH );
+	V_strcpy_safe( userInfo.guid, GetNetworkIDString() );
+	userInfo.friendsID = m_nFriendsID;
+	Q_strncpy( userInfo.friendsName, m_FriendsName, sizeof(m_FriendsName) );
+	userInfo.userID = GetUserID();
+	userInfo.fakeplayer = IsFakeClient();
+	userInfo.ishltv = IsHLTV();
+#if defined( REPLAY_ENABLED )
+	userInfo.isreplay = IsReplay();
+#endif
+
+	for( int i=0; i< MAX_CUSTOM_FILES; i++ )
+		userInfo.customFiles[i] = m_nCustomFiles[i].crc;
+
+	userInfo.filesDownloaded = m_nFilesDownloaded;
+
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Send text to client
+// Input  : *fmt -
+//			... -
+//-----------------------------------------------------------------------------
+void CBaseClient::ClientPrintf (const char *fmt, ...)
+{
+	if ( !m_NetChannel )
+	{
+		return;
+	}
+
+	va_list		argptr;
+	char		string[1024];
+
+	va_start (argptr,fmt);
+	Q_vsnprintf (string, sizeof( string ), fmt,argptr);
+	va_end (argptr);
+
+	SVC_Print print(string);
+	m_NetChannel->SendNetMsg( print );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Send text to client
+// Input  : *fmt -
+//			... -
+//-----------------------------------------------------------------------------
+bool CBaseClient::SendNetMsg(INetMessage &msg, bool bForceReliable)
+{
+	if ( !m_NetChannel )
+	{
+		return true;
+	}
+
+	int nStartBit = m_NetChannel->GetNumBitsWritten( msg.IsReliable() || bForceReliable );
+	bool bret = m_NetChannel->SendNetMsg( msg, bForceReliable );
+	if ( IsTracing() )
+	{
+		int nBits = m_NetChannel->GetNumBitsWritten( msg.IsReliable() || bForceReliable ) - nStartBit;
+		TraceNetworkMsg( nBits, "NetMessage %s", msg.GetName() );
+	}
+	return bret;
+}
+
+char const *CBaseClient::GetUserSetting(char const *pchCvar) const 
+{
+	if ( !m_ConVars || !pchCvar || !pchCvar[0] )
+	{
+		return "";
+	}
+
+	const char * value = m_ConVars->GetString( pchCvar, "" );
+
+	if ( value[0]==0 )
+	{
+		// check if this var even existed
+		if ( m_ConVars->GetDataType( pchCvar ) ==	KeyValues::TYPE_NONE )
+		{
+			DevMsg( "GetUserSetting: cvar '%s' unknown.\n", pchCvar );
+		}
+	}
+
+	return value;
+}
+
+void CBaseClient::SetUserCVar( const char *pchCvar, const char *value)
+{
+	if ( !pchCvar || !value )
+		return;
+
+	// Name is handled differently
+	if ( !Q_stricmp( pchCvar, "name") )
+	{
+		//Msg("CBaseClient::SetUserCVar[index=%d]('name', '%s')\n", m_nClientSlot, value );
+		ClientRequestNameChange( value );
+		return;
+	}
+
+	m_ConVars->SetString( pchCvar, value );
+}
+
+void CBaseClient::SetUpdateRate(int udpaterate, bool bForce)
+{
+	udpaterate = clamp( udpaterate, 1, 100 );
+
+	m_fSnapshotInterval = 1.0f / udpaterate;
+}
+
+int CBaseClient::GetUpdateRate(void) const
+{
+	if ( m_fSnapshotInterval > 0 )
+		return (int)(1.0f/m_fSnapshotInterval);
+	else
+		return 0;
+}
+
+void CBaseClient::FreeBaselines()
+{
+	if ( m_pBaseline )
+	{
+		m_pBaseline->ReleaseReference();
+		m_pBaseline = NULL;
+	}
+
+	m_nBaselineUpdateTick = -1;
+	m_nBaselineUsed = 0;
+	m_BaselinesSent.ClearAll();
+}
+
+void CBaseClient::Clear()
+{
+	// Throw away any residual garbage in the channel.
+	if ( m_NetChannel )
+	{
+		m_NetChannel->Shutdown("Disconnect by server.\n");
+		m_NetChannel = NULL;
+	}
+
+	if ( m_ConVars )
+	{
+		m_ConVars->deleteThis();
+		m_ConVars = NULL;
+	}
+
+	FreeBaselines();
+
+	// This used to be a memset, but memset will screw up any embedded classes
+	// and we want to preserve some things like index.
+	m_nSignonState = SIGNONSTATE_NONE;
+	m_nDeltaTick = -1;
+	m_nSignonTick = 0;
+	m_nStringTableAckTick = 0;
+	m_pLastSnapshot = NULL;
+	m_nForceWaitForTick = -1;
+	m_bFakePlayer = false;
+	m_bIsHLTV = false;
+#if defined( REPLAY_ENABLED )
+	m_bIsReplay = false;
+#endif
+	m_fNextMessageTime = 0;
+	m_fSnapshotInterval = 0;
+	m_bReceivedPacket = false;
+	m_UserID = 0;
+	m_Name[0] = 0;
+	m_nFriendsID = 0;
+	m_FriendsName[0] = 0;
+	m_nSendtableCRC = 0;
+	m_nBaselineUpdateTick = -1;
+	m_nBaselineUsed = 0;
+	m_nFilesDownloaded = 0;
+	m_bConVarsChanged = false;
+	m_bSendServerInfo = false;
+	m_bFullyAuthenticated = false;
+	m_fTimeLastNameChange = 0.0;
+	m_szPendingNameChange[0] = '\0';
+
+	Q_memset( m_nCustomFiles, 0, sizeof(m_nCustomFiles) );
+}
+
+bool CBaseClient::SetSignonState(int state, int spawncount)
+{
+	MDLCACHE_COARSE_LOCK_(g_pMDLCache);
+	switch( m_nSignonState )
+	{
+		case SIGNONSTATE_CONNECTED :	// client is connected, leave client in this state and let SendPendingSignonData do the rest
+										m_bSendServerInfo = true; 
+										break;
+
+		case SIGNONSTATE_NEW		:	// client got server info, send prespawn datam_Client->SendServerInfo()
+										if ( !SendSignonData() )
+											return false;
+										
+										break;
+
+		case SIGNONSTATE_PRESPAWN	:	SpawnPlayer();
+										break;
+
+		case SIGNONSTATE_SPAWN		:	ActivatePlayer();
+										break;
+
+		case SIGNONSTATE_FULL		:	OnSignonStateFull();
+										break;
+
+		case SIGNONSTATE_CHANGELEVEL:	break;	
+
+	}
+
+	return true;
+}
+
+void CBaseClient::Reconnect( void )
+{
+	ConMsg("Forcing client reconnect (%i)\n", m_nSignonState );
+	
+	m_NetChannel->Clear();
+
+	m_nSignonState = SIGNONSTATE_CONNECTED;
+	
+	NET_SignonState signon( m_nSignonState, -1 );
+	m_NetChannel->SendNetMsg( signon );
+}
+
+void CBaseClient::Inactivate( void )
+{
+	FreeBaselines();
+
+	m_nDeltaTick = -1;
+	m_nSignonTick = 0;
+	m_nStringTableAckTick = 0;
+	m_pLastSnapshot = NULL;
+	m_nForceWaitForTick = -1;
+
+	m_nSignonState = SIGNONSTATE_CHANGELEVEL;
+
+	if ( m_NetChannel )
+	{
+		// don't do that for fakeclients
+		m_NetChannel->Clear();
+		
+		if ( NET_IsMultiplayer() )
+		{
+			NET_SignonState signon( m_nSignonState, m_Server->GetSpawnCount() );
+			SendNetMsg( signon );
+
+			// force sending message now
+			m_NetChannel->Transmit();	
+		}
+	}
+
+	// don't receive event messages anymore
+	g_GameEventManager.RemoveListener( this );
+}
+
+//---------------------------------------------------------------------------
+// Purpose: Determine whether or not a character should be ignored in a player's name.
+//---------------------------------------------------------------------------
+inline bool BIgnoreCharInName ( unsigned char cChar, bool bIsFirstCharacter )
+{
+	// Don't copy '%' or '~' chars across
+	// Don't copy '#' chars across if they would go into the first position in the name
+	// Don't allow color codes ( less than COLOR_MAX )
+	return cChar == '%' || cChar == '~' || cChar < 0x09 || ( bIsFirstCharacter && cChar == '#' );
+}
+
+void ValidateName( char *pszName, int nBuffSize )
+{
+	if ( !pszName )
+		return;
+
+	// did we get an empty string for the name?
+	if ( Q_strlen( pszName ) <= 0 )
+	{
+		Q_snprintf( pszName, nBuffSize, "unnamed" );
+	}
+	else
+	{
+		Q_RemoveAllEvilCharacters( pszName );
+
+		const unsigned char *pChar = (unsigned char *)pszName;
+
+		// also skip characters we're going to ignore
+		while ( *pChar && ( isspace(*pChar) || BIgnoreCharInName( *pChar, true ) ) )
+		{
+			++pChar;
+		}
+
+		// did we get all the way to the end of the name without a non-whitespace character?
+		if ( *pChar == '\0' )
+		{
+			Q_snprintf( pszName, nBuffSize, "unnamed" );
+		}
+	}
+}
+
+void CBaseClient::SetName(const char * playerName)
+{
+	char name[MAX_PLAYER_NAME_LENGTH];
+	Q_strncpy( name, playerName, sizeof(name) );
+
+	// Clear any pending name change
+	m_szPendingNameChange[0] = '\0';
+
+	// quick check to make sure the name isn't empty or full of whitespace
+	ValidateName( name, sizeof(name) );
+
+	if ( Q_strncmp( name, m_Name, sizeof(m_Name) ) == 0 )
+		return; // didn't change
+
+	int			i;
+	int			dupc = 1;
+	char		*p, *val;
+
+	char	newname[MAX_PLAYER_NAME_LENGTH];
+
+	// remove evil char '%'
+	char *pFrom = (char *)name;
+	char *pTo = m_Name;
+	char *pLimit = &m_Name[sizeof(m_Name)-1];
+
+	while ( *pFrom && pTo < pLimit )
+	{
+		// Don't copy '%' or '~' chars across
+		// Don't copy '#' chars across if they would go into the first position in the name
+		// Don't allow color codes ( less than COLOR_MAX )
+		if ( !BIgnoreCharInName( *pFrom, pTo == &m_Name[0] ) )
+		{
+			*pTo++ = *pFrom;
+		}
+
+		pFrom++;
+	}
+	*pTo = 0;
+
+	Assert( m_Name[ 0 ] != '\0' ); // this should've been caught by ValidateName
+	if ( m_Name[ 0 ] == '\0' )
+	{
+		V_strncpy( m_Name, "unnamed", sizeof(m_Name) );
+	}
+
+	val = m_Name;
+
+	// Don't care about duplicate names on the xbox. It can only occur when a player
+	// is reconnecting after crashing, and we don't want to ever show the (X) then.
+	if ( !IsX360() )
+	{
+		// Check to see if another user by the same name exists
+		while ( true )
+		{
+			for ( i = 0; i < m_Server->GetClientCount(); i++ )
+			{
+				IClient *client = m_Server->GetClient( i );
+
+				if( !client->IsConnected() || client == this )
+					continue;
+				
+				// If it's 2 bots they're allowed to have matching names, otherwise there's a conflict
+				if( !Q_stricmp( client->GetClientName(), val ) && !( IsFakeClient() && client->IsFakeClient() ) )
+				{
+					CBaseClient *pClient = dynamic_cast< CBaseClient* >( client );
+					if ( IsFakeClient() && pClient )
+					{
+						// We're a bot so we get to keep the name... change the other guy
+						pClient->m_Name[ 0 ] = '\0';
+						pClient->SetName( val );
+					}
+					else
+					{
+						break;
+					}
+				}
+			}
+
+			if (i >= m_Server->GetClientCount())
+				break;
+
+			p = val;
+
+			if (val[0] == '(')
+			{
+				if (val[2] == ')')
+				{
+					p = val + 3;
+				}
+				else if (val[3] == ')')	//assumes max players is < 100
+				{
+					p = val + 4;
+				}
+			}
+
+			Q_snprintf(newname, sizeof(newname), "(%d)%-.*s", dupc++, MAX_PLAYER_NAME_LENGTH - 4, p );
+			Q_strncpy(m_Name, newname, sizeof(m_Name));
+			
+			val = m_Name;		
+		}	
+	}
+
+	m_ConVars->SetString( "name", m_Name );
+	m_bConVarsChanged = true;
+
+	m_Server->UserInfoChanged( m_nClientSlot );
+}
+
+void CBaseClient::ActivatePlayer()
+{
+	COM_TimestampedLog( "CBaseClient::ActivatePlayer" );
+
+	// tell server to update the user info table (if not already done)
+	m_Server->UserInfoChanged( m_nClientSlot );
+
+	m_nSignonState = SIGNONSTATE_FULL;
+	MapReslistGenerator().OnPlayerSpawn();
+#ifndef _XBOX
+	// update the UI
+	NotifyDedicatedServerUI("UpdatePlayers");
+#endif
+}
+
+void CBaseClient::SpawnPlayer( void )
+{
+	COM_TimestampedLog( "CBaseClient::SpawnPlayer" );
+
+	if ( !IsFakeClient() )
+	{
+		// free old baseline snapshot
+		FreeBaselines();
+		
+		// create baseline snapshot for real clients
+		m_pBaseline = framesnapshotmanager->CreateEmptySnapshot( 0, MAX_EDICTS );
+	}
+
+	// Set client clock to match server's
+	NET_Tick tick( m_Server->GetTick(), host_frametime_unbounded, host_frametime_stddeviation );
+	SendNetMsg( tick, true );
+	
+	// Spawned into server, not fully active, though
+	m_nSignonState = SIGNONSTATE_SPAWN;
+	NET_SignonState signonState (m_nSignonState, m_Server->GetSpawnCount() );
+	SendNetMsg( signonState );
+}
+
+bool CBaseClient::SendSignonData( void )
+{
+	COM_TimestampedLog( " CBaseClient::SendSignonData" );
+#ifndef SWDS
+	EngineVGui()->UpdateProgressBar(PROGRESS_SENDSIGNONDATA);
+#endif
+
+	if ( m_Server->m_Signon.IsOverflowed() )
+	{
+		Host_Error( "Signon buffer overflowed %i bytes!!!\n", m_Server->m_Signon.GetNumBytesWritten() );
+		return false;
+	}
+
+	m_NetChannel->SendData( m_Server->m_Signon );
+		
+	m_nSignonState = SIGNONSTATE_PRESPAWN;
+	NET_SignonState signonState( m_nSignonState, m_Server->GetSpawnCount() );
+	
+	return m_NetChannel->SendNetMsg( signonState );
+}
+
+void CBaseClient::Connect( const char * szName, int nUserID, INetChannel *pNetChannel, bool bFakePlayer, int clientChallenge )
+{
+	COM_TimestampedLog( "CBaseClient::Connect" );
+#ifndef SWDS
+	EngineVGui()->UpdateProgressBar(PROGRESS_SIGNONCONNECT);
+#endif
+	Clear();
+
+	m_ConVars = new KeyValues("userinfo");
+	m_bInitialConVarsSet = false;
+
+	m_UserID = nUserID;
+
+	SetName( szName );
+	m_fTimeLastNameChange = 0.0;
+
+	m_bFakePlayer = bFakePlayer;
+	m_NetChannel = pNetChannel;
+
+	if ( m_NetChannel && m_Server && m_Server->IsMultiplayer() )
+	{
+		m_NetChannel->SetCompressionMode( true );
+	}
+
+	m_clientChallenge = clientChallenge;
+
+	m_nSignonState = SIGNONSTATE_CONNECTED;
+
+	if ( bFakePlayer )
+	{
+		// Hidden fake players and the HLTV/Replay bot will get removed by CSteam3Server::SendUpdatedServerDetails.
+		Steam3Server().NotifyLocalClientConnect( this );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Drops client from server, with explanation
+// Input  : *cl -
+//			crash -
+//			*fmt -
+//			... -
+//-----------------------------------------------------------------------------
+void CBaseClient::Disconnect( const char *fmt, ... )
+{
+	va_list		argptr;
+	char		string[1024];
+
+	if ( m_nSignonState == SIGNONSTATE_NONE )
+		return;	// no recursion
+
+#if !defined( SWDS ) && defined( ENABLE_RPT )
+	SV_NotifyRPTOfDisconnect( m_nClientSlot );
+#endif
+
+#ifndef _XBOX
+	Steam3Server().NotifyClientDisconnect( this );
+#endif
+	m_nSignonState = SIGNONSTATE_NONE;
+
+	// clear user info 
+	m_Server->UserInfoChanged( m_nClientSlot );
+
+	va_start (argptr,fmt);
+	Q_vsnprintf (string, sizeof( string ), fmt,argptr);
+	va_end (argptr);
+
+	ConMsg("Dropped %s from server (%s)\n", GetClientName(), string );
+
+	// remove the client as listener
+	g_GameEventManager.RemoveListener( this );
+
+	// Send the remaining reliable buffer so the client finds out the server is shutting down.
+	if ( m_NetChannel )
+	{
+		m_NetChannel->Shutdown( string ) ;
+		m_NetChannel = NULL;
+	}
+
+	Clear(); // clear state
+#ifndef _XBOX
+	NotifyDedicatedServerUI("UpdatePlayers");
+#endif
+	Steam3Server().SendUpdatedServerDetails(); // Update the master server.
+}
+
+void CBaseClient::FireGameEvent( IGameEvent *event )
+{
+	tmZoneFiltered( TELEMETRY_LEVEL0, 50, TMZF_NONE, "%s", __FUNCTION__ );
+
+	char buffer_data[MAX_EVENT_BYTES];
+
+	SVC_GameEvent eventMsg;
+
+	eventMsg.m_DataOut.StartWriting( buffer_data, sizeof(buffer_data) );
+
+	// create bitstream from KeyValues
+	if ( g_GameEventManager.SerializeEvent( event, &eventMsg.m_DataOut ) )
+	{
+		if ( m_NetChannel )
+		{
+			bool bSent = m_NetChannel->SendNetMsg( eventMsg );
+			if ( !bSent )
+				DevMsg("GameEventManager: failed to send event '%s'.\n", event->GetName() );
+		}
+	}
+	else
+	{
+		DevMsg("GameEventManager: failed to serialize event '%s'.\n", event->GetName() );
+	}
+}
+
+bool CBaseClient::SendServerInfo( void )
+{
+	COM_TimestampedLog( " CBaseClient::SendServerInfo" );
+
+	// supporting smaller stack
+	byte *buffer = (byte *)MemAllocScratch( NET_MAX_PAYLOAD );
+
+	bf_write msg( "SV_SendServerinfo->msg", buffer, NET_MAX_PAYLOAD );
+
+	// Only send this message to developer console, or multiplayer clients.
+	if ( developer.GetBool() || m_Server->IsMultiplayer() )
+	{
+		char devtext[ 2048 ];
+		int curplayers = m_Server->GetNumClients();
+
+		Q_snprintf( devtext, sizeof( devtext ), 
+			"\n%s\nMap: %s\nPlayers: %i / %i\nBuild: %d\nServer Number: %i\n\n",
+			serverGameDLL->GetGameDescription(),
+			m_Server->GetMapName(),
+			curplayers, m_Server->GetMaxClients(),
+			build_number(),
+			m_Server->GetSpawnCount() );
+
+		SVC_Print printMsg( devtext );
+
+		printMsg.WriteToBuffer( msg );
+	}
+
+	SVC_ServerInfo serverinfo;	// create serverinfo message
+
+	serverinfo.m_nPlayerSlot = m_nClientSlot; // own slot number
+
+	m_Server->FillServerInfo( serverinfo ); // fill rest of info message
+	
+	serverinfo.WriteToBuffer( msg );
+
+	if ( IsX360() && serverinfo.m_nMaxClients > 1 )
+	{
+		Msg( "Telling clients to connect" );
+		g_pMatchmaking->TellClientsToConnect();
+	}
+
+	// send first tick
+	m_nSignonTick = m_Server->m_nTickCount;
+	
+	NET_Tick signonTick( m_nSignonTick, 0, 0 );
+	signonTick.WriteToBuffer( msg );
+
+	// write stringtable baselines
+#ifndef SHARED_NET_STRING_TABLES
+	m_Server->m_StringTables->WriteBaselines( msg );
+#endif
+	
+	// Write replicated ConVars to non-listen server clients only
+	if ( !m_NetChannel->IsLoopback() )
+	{
+		NET_SetConVar convars;
+		Host_BuildConVarUpdateMessage( &convars, FCVAR_REPLICATED, true );
+
+		convars.WriteToBuffer( msg );
+	}
+
+	m_bSendServerInfo = false;
+
+	// send signon state
+	m_nSignonState = SIGNONSTATE_NEW;
+	NET_SignonState signonMsg( m_nSignonState, m_Server->GetSpawnCount() );
+	signonMsg.WriteToBuffer( msg );
+
+	// send server info as one data block
+	if ( !m_NetChannel->SendData( msg ) )
+	{
+		MemFreeScratch();
+		Disconnect("Server info data overflow");
+		return false;
+	}
+		
+	COM_TimestampedLog( " CBaseClient::SendServerInfo(finished)" );
+
+	MemFreeScratch();
+
+	return true;
+}
+
+CClientFrame *CBaseClient::GetDeltaFrame( int nTick )
+{
+	Assert( 0 ); // derive moe
+	return NULL; // CBaseClient has no delta frames
+}
+
+void CBaseClient::WriteGameSounds(bf_write &buf)
+{
+	// CBaseClient has no events
+}
+
+void CBaseClient::ConnectionStart(INetChannel *chan)
+{
+	REGISTER_NET_MSG( Tick );
+	REGISTER_NET_MSG( StringCmd );
+	REGISTER_NET_MSG( SetConVar );
+	REGISTER_NET_MSG( SignonState );
+
+	REGISTER_CLC_MSG( ClientInfo );
+	REGISTER_CLC_MSG( Move );
+	REGISTER_CLC_MSG( VoiceData );
+	REGISTER_CLC_MSG( BaselineAck );
+	REGISTER_CLC_MSG( ListenEvents );
+	
+	REGISTER_CLC_MSG( RespondCvarValue );
+	REGISTER_CLC_MSG( FileCRCCheck );
+	REGISTER_CLC_MSG( FileMD5Check );
+
+#if defined( REPLAY_ENABLED )
+	REGISTER_CLC_MSG( SaveReplay );
+#endif
+
+	REGISTER_CLC_MSG( CmdKeyValues );
+}
+
+bool CBaseClient::ProcessTick( NET_Tick *msg )
+{
+	m_NetChannel->SetRemoteFramerate( msg->m_flHostFrameTime, msg->m_flHostFrameTimeStdDeviation );
+	return UpdateAcknowledgedFramecount( msg->m_nTick );
+}
+
+bool CBaseClient::ProcessStringCmd( NET_StringCmd *msg )
+{
+	ExecuteStringCommand( msg->m_szCommand );
+	return true;
+}
+
+bool CBaseClient::ProcessSetConVar( NET_SetConVar *msg )
+{
+	for ( int i=0; i<msg->m_ConVars.Count(); i++ )
+	{
+		const char *name = msg->m_ConVars[i].name;
+		const char *value = msg->m_ConVars[i].value;
+
+		// Discard any convar change request if contains funky characters
+		bool bFunky = false;
+		for (const char *s = name ; *s != '\0' ; ++s )
+		{
+			if ( !V_isalnum(*s) && *s != '_' )
+			{
+				bFunky = true;
+				break;
+			}
+		}
+		if ( bFunky )
+		{
+			Msg( "Ignoring convar change request for variable '%s' from client %s; invalid characters in the variable name\n", name, GetClientName() );
+			continue;
+		}
+
+		// "name" convar is handled differently
+		if ( V_stricmp( name, "name" ) == 0 )
+		{
+			ClientRequestNameChange( value );
+			continue;
+		}
+
+		// The initial set of convars must contain all client convars that are flagged userinfo. This is a simple fix to
+		// exploits that send bogus data later, and catches bugs (why are new userinfo convars appearing later?)
+		if ( m_bInitialConVarsSet && !m_ConVars->FindKey( name ) )
+		{
+#ifndef _DEBUG	// warn all the time in debug build
+			static double s_dblLastWarned = 0.0;
+			double dblTimeNow = Plat_FloatTime();
+			if ( dblTimeNow - s_dblLastWarned > 10 )
+#endif
+			{
+#ifndef _DEBUG
+				s_dblLastWarned = dblTimeNow;
+#endif
+				Warning( "Client \"%s\" userinfo ignored: \"%s\" = \"%s\"\n",
+				         this->GetClientName(), name, value );
+			}
+			continue;
+		}
+
+		m_ConVars->SetString( name, value );
+
+		// DevMsg( 1, " UserInfo update %s: %s = %s\n", m_Client->m_Name, name, value );
+	}
+
+	m_bConVarsChanged = true;
+	m_bInitialConVarsSet = true;
+
+	return true;
+}
+
+bool CBaseClient::ProcessSignonState( NET_SignonState *msg)
+{
+	if ( msg->m_nSignonState == SIGNONSTATE_CHANGELEVEL )
+	{
+		return true; // ignore this message
+	}
+
+	if ( msg->m_nSignonState > SIGNONSTATE_CONNECTED )
+	{
+		if ( msg->m_nSpawnCount != m_Server->GetSpawnCount() )
+		{
+			Reconnect();
+			return true;
+		}
+	}
+
+	// client must acknowledge our current state, otherwise start again
+	if ( msg->m_nSignonState != m_nSignonState )
+	{
+		Reconnect();
+		return true;
+	}
+
+	return SetSignonState( msg->m_nSignonState, msg->m_nSpawnCount );
+}
+
+bool CBaseClient::ProcessClientInfo( CLC_ClientInfo *msg )
+{
+	if ( m_nSignonState != SIGNONSTATE_NEW )
+	{
+		Warning( "Dropping ClientInfo packet from client not in appropriate state\n" );
+		return false;
+	}
+
+	m_nSendtableCRC = msg->m_nSendTableCRC;
+
+	// Protect against spoofed packets claiming to be HLTV clients
+	if ( ( hltv && hltv->IsTVRelay() ) || tv_enable.GetBool() )
+	{
+		m_bIsHLTV = msg->m_bIsHLTV;
+	}
+	else
+	{
+		m_bIsHLTV = false;
+	}
+
+#if defined( REPLAY_ENABLED )
+	m_bIsReplay = msg->m_bIsReplay;
+#endif
+
+	m_nFilesDownloaded = 0;
+	m_nFriendsID = msg->m_nFriendsID;
+	Q_strncpy( m_FriendsName, msg->m_FriendsName, sizeof(m_FriendsName) );
+
+	for ( int i=0; i<MAX_CUSTOM_FILES; i++ )
+	{
+		m_nCustomFiles[i].crc = msg->m_nCustomFiles[i];
+		m_nCustomFiles[i].reqID = 0;
+	}
+
+	if ( msg->m_nServerCount != m_Server->GetSpawnCount() )
+	{
+		Reconnect();	// client still in old game, reconnect
+	}
+
+	return true;
+}
+
+bool CBaseClient::ProcessBaselineAck( CLC_BaselineAck *msg )
+{
+	if ( msg->m_nBaselineTick != m_nBaselineUpdateTick )
+	{
+		// This occurs when there are multiple ack's queued up for processing from a client.
+		return true;
+	}
+
+	if ( msg->m_nBaselineNr != m_nBaselineUsed )
+	{
+		DevMsg("CBaseClient::ProcessBaselineAck: wrong baseline nr received (%i)\n", msg->m_nBaselineTick );
+		return true;
+	}
+
+	Assert( m_pBaseline );	
+
+	// copy ents send as full updates this frame into baseline stuff
+	CClientFrame *frame = GetDeltaFrame( m_nBaselineUpdateTick );
+	if ( frame == NULL )
+	{
+		// Will get here if we have a lot of packet loss and finally receive a stale ack from 
+		//  remote client.  Our "window" could be well beyond what it's acking, so just ignore the ack.
+		return true;
+	}
+
+	CFrameSnapshot *pSnapshot = frame->GetSnapshot();
+
+	if ( pSnapshot == NULL )
+	{
+		// TODO if client lags for a couple of seconds the snapshot is lost
+		// fix: don't remove snapshots that are labled a possible basline candidates
+		// or: send full update
+		DevMsg("CBaseClient::ProcessBaselineAck: invalid frame snapshot (%i)\n", m_nBaselineUpdateTick );
+		return false;
+	}
+	
+	int index = m_BaselinesSent.FindNextSetBit( 0 );
+
+	while ( index >= 0 )
+	{
+		// get new entity
+		PackedEntityHandle_t hNewEntity = pSnapshot->m_pEntities[index].m_pPackedData;
+		if ( hNewEntity == INVALID_PACKED_ENTITY_HANDLE )
+		{
+			DevMsg("CBaseClient::ProcessBaselineAck: invalid packet handle (%i)\n", index );
+			return false;
+		}
+
+		PackedEntityHandle_t hOldEntity = m_pBaseline->m_pEntities[index].m_pPackedData;
+
+		if ( hOldEntity != INVALID_PACKED_ENTITY_HANDLE )
+		{
+			// remove reference before overwriting packed entity
+			framesnapshotmanager->RemoveEntityReference( hOldEntity );
+		}
+
+		// increase reference
+		framesnapshotmanager->AddEntityReference( hNewEntity );
+		
+		// copy entity handle, class & serial number to
+		m_pBaseline->m_pEntities[index] = pSnapshot->m_pEntities[index];
+
+		// go to next entity
+		index = m_BaselinesSent.FindNextSetBit( index + 1 );
+	}
+
+	m_pBaseline->m_nTickCount = m_nBaselineUpdateTick;
+
+	// flip used baseline flag
+	m_nBaselineUsed = (m_nBaselineUsed==1)?0:1;
+
+	m_nBaselineUpdateTick = -1; // ready to update baselines again
+
+	return true;
+}
+
+bool CBaseClient::ProcessListenEvents( CLC_ListenEvents *msg )
+{
+	// first remove the client as listener
+	g_GameEventManager.RemoveListener( this );
+
+	for ( int i=0; i < MAX_EVENT_NUMBER; i++ )
+	{
+		if ( msg->m_EventArray.Get(i) )
+		{
+			CGameEventDescriptor *descriptor = g_GameEventManager.GetEventDescriptor( i );
+
+			if ( descriptor )
+			{
+				g_GameEventManager.AddListener( this, descriptor, CGameEventManager::CLIENTSTUB );
+			}
+			else
+			{
+				DevMsg("ProcessListenEvents: game event %i not found.\n", i );
+				return false;
+			}
+		}
+	}
+
+	return true;
+}
+
+extern int GetNetSpikeValue();
+
+void CBaseClient::StartTrace( bf_write &msg )
+{
+
+	// Should we be tracing?
+	m_Trace.m_nMinWarningBytes = 0;
+	if ( !IsHLTV() && !IsReplay() && !IsFakeClient() )
+		m_Trace.m_nMinWarningBytes = GetNetSpikeValue();
+	if ( m_iTracing < 2 )
+	{
+		if ( m_Trace.m_nMinWarningBytes <= 0 && sv_netspike_sendtime_ms.GetFloat() <= 0.0f )
+		{
+			m_iTracing = 0;
+			return;
+		}
+
+		m_iTracing = 1;
+	}
+	m_Trace.m_nStartBit = msg.GetNumBitsWritten();
+	m_Trace.m_nCurBit = m_Trace.m_nStartBit;
+	m_Trace.m_StartSendTime = Plat_FloatTime();
+}
+
+#define SERVER_PACKETS_LOG	"netspike.txt"
+
+void CBaseClient::EndTrace( bf_write &msg )
+{
+	if ( m_iTracing == 0 )
+		return;
+	VPROF_BUDGET( "CBaseClient::EndTrace", VPROF_BUDGETGROUP_OTHER_NETWORKING );
+
+	int bits = m_Trace.m_nCurBit - m_Trace.m_nStartBit;
+	float flElapsedMs = ( Plat_FloatTime() - m_Trace.m_StartSendTime ) * 1000.0;
+	int nBitThreshold = m_Trace.m_nMinWarningBytes << 3;
+	if ( m_iTracing < 2 // not forced
+		&& ( nBitThreshold <= 0 || bits < nBitThreshold ) // didn't exceed data threshold
+		&& ( sv_netspike_sendtime_ms.GetFloat() <= 0.0f || flElapsedMs < sv_netspike_sendtime_ms.GetFloat() ) ) // didn't exceed time threshold
+	{
+		m_Trace.m_Records.RemoveAll();
+		m_iTracing = 0;
+		return;
+	}
+
+	CUtlBuffer logData( 0, 0, CUtlBuffer::TEXT_BUFFER );
+
+	logData.Printf( "%f/%d Player [%s][%d][adr:%s] was sent a datagram %d bits (%8.3f bytes), took %.2fms\n",
+		realtime, 
+		host_tickcount,
+		GetClientName(), 
+		GetPlayerSlot(), 
+		GetNetChannel()->GetAddress(),
+		bits, (float)bits / 8.0f,
+		flElapsedMs
+	);
+
+	// Write header line to the log if we aren't writing the whole thing
+	if ( ( sv_netspike_output.GetInt() & 2 ) == 0 )
+		Log("netspike: %s", logData.String() );
+
+	for ( int i = 0 ; i < m_Trace.m_Records.Count() ; ++i )
+	{
+		Spike_t &sp = m_Trace.m_Records[ i ];
+		logData.Printf( "%64.64s : %8d bits (%8.3f bytes)\n", sp.m_szDesc, sp.m_nBits, (float)sp.m_nBits / 8.0f );
+	}
+
+	if ( sv_netspike_output.GetInt() & 1 )
+		COM_LogString( SERVER_PACKETS_LOG, logData.String() );
+	if ( sv_netspike_output.GetInt() & 2 )
+		Log( "%s", logData.String() );
+	ETWMark1S( "netspike", logData.String() );
+	m_Trace.m_Records.RemoveAll();
+	m_iTracing = 0;
+}
+
+void CBaseClient::TraceNetworkData( bf_write &msg, char const *fmt, ... )
+{
+	if ( !IsTracing() )
+		return;
+	VPROF_BUDGET( "CBaseClient::TraceNetworkData", VPROF_BUDGETGROUP_OTHER_NETWORKING );
+	char buf[ 64 ];
+	va_list argptr;
+	va_start( argptr, fmt );
+	Q_vsnprintf( buf, sizeof( buf ), fmt, argptr );
+	va_end( argptr );
+
+	Spike_t t;
+	Q_strncpy( t.m_szDesc, buf, sizeof( t.m_szDesc ) );
+	t.m_nBits = msg.GetNumBitsWritten() - m_Trace.m_nCurBit;
+	m_Trace.m_Records.AddToTail( t );
+	m_Trace.m_nCurBit = msg.GetNumBitsWritten();
+}
+
+void CBaseClient::TraceNetworkMsg( int nBits, char const *fmt, ... )
+{
+	if ( !IsTracing() )
+		return;
+	VPROF_BUDGET( "CBaseClient::TraceNetworkMsg", VPROF_BUDGETGROUP_OTHER_NETWORKING );
+	char buf[ 64 ];
+	va_list argptr;
+	va_start( argptr, fmt );
+	Q_vsnprintf( buf, sizeof( buf ), fmt, argptr );
+	va_end( argptr );
+
+	Spike_t t;
+	Q_strncpy( t.m_szDesc, buf, sizeof( t.m_szDesc ) );
+	t.m_nBits = nBits;
+	m_Trace.m_Records.AddToTail( t );
+}
+
+void CBaseClient::SendSnapshot( CClientFrame *pFrame )
+{
+	// never send the same snapshot twice
+	if ( m_pLastSnapshot == pFrame->GetSnapshot() )
+	{
+		m_NetChannel->Transmit();	
+		return;
+	}
+
+	// if we send a full snapshot (no delta-compression) before, wait until client
+	// received and acknowledge that update. don't spam client with full updates
+	if ( m_nForceWaitForTick > 0 )
+	{
+		// just continue transmitting reliable data
+		m_NetChannel->Transmit();	
+		return;
+	}
+
+	VPROF_BUDGET( "SendSnapshot", VPROF_BUDGETGROUP_OTHER_NETWORKING );
+	tmZoneFiltered( TELEMETRY_LEVEL0, 50, TMZF_NONE, "%s", __FUNCTION__ );
+
+	bool bFailedOnce = false;
+write_again:
+	bf_write msg( "CBaseClient::SendSnapshot", m_SnapshotScratchBuffer, sizeof( m_SnapshotScratchBuffer ) );
+
+	TRACE_PACKET( ( "SendSnapshot(%d)\n", pFrame->tick_count ) );
+
+	// now create client snapshot packet
+	CClientFrame *deltaFrame = GetDeltaFrame( m_nDeltaTick ); // NULL if delta_tick is not found
+	if ( !deltaFrame )
+	{
+		// We need to send a full update and reset the instanced baselines
+		OnRequestFullUpdate();
+	}
+
+	// send tick time
+	NET_Tick tickmsg( pFrame->tick_count, host_frametime_unbounded, host_frametime_stddeviation );
+
+	StartTrace( msg );
+
+	tickmsg.WriteToBuffer( msg );
+
+	if ( IsTracing() )
+	{
+		TraceNetworkData( msg, "NET_Tick" );
+	}
+
+#ifndef SHARED_NET_STRING_TABLES
+	// in LocalNetworkBackdoor mode we updated the stringtables already in SV_ComputeClientPacks()
+	if ( !g_pLocalNetworkBackdoor )
+	{
+		// Update shared client/server string tables. Must be done before sending entities
+		m_Server->m_StringTables->WriteUpdateMessage( this, GetMaxAckTickCount(), msg );
+	}
+#endif
+
+	int nDeltaStartBit = 0;
+	if ( IsTracing() )
+	{
+		nDeltaStartBit = msg.GetNumBitsWritten();
+	}
+
+	// send entity update, delta compressed if deltaFrame != NULL
+	m_Server->WriteDeltaEntities( this, pFrame, deltaFrame, msg );
+
+	if ( IsTracing() )
+	{
+		int nBits = msg.GetNumBitsWritten() - nDeltaStartBit;
+		TraceNetworkMsg( nBits, "Total Delta" );
+	}
+			
+	// send all unreliable temp entities between last and current frame
+	// send max 64 events in multi player, 255 in SP
+	int nMaxTempEnts = m_Server->IsMultiplayer() ? 64 : 255;
+	m_Server->WriteTempEntities( this, pFrame->GetSnapshot(), m_pLastSnapshot.GetObject(), msg, nMaxTempEnts );
+
+	if ( IsTracing() )
+	{
+		TraceNetworkData( msg, "Temp Entities" );
+	}
+
+	WriteGameSounds( msg );
+	
+	// write message to packet and check for overflow
+	if ( msg.IsOverflowed() )
+	{
+		bool bWasTracing = IsTracing();
+		if ( bWasTracing )
+		{
+			TraceNetworkMsg( 0, "Finished [delta %s]", deltaFrame ? "yes" : "no" );
+			EndTrace( msg );
+		}
+
+		if ( !deltaFrame )
+		{
+
+			if ( !bWasTracing )
+			{
+
+				// Check for debugging by dumping a snapshot
+				if ( sv_netspike_on_reliable_snapshot_overflow.GetBool() )
+				{
+					if ( !bFailedOnce ) // shouldn't be necessary, but just in case
+					{
+						Warning(" RELIABLE SNAPSHOT OVERFLOW!  Triggering trace to see what is so large\n" );
+						bFailedOnce = true;
+						m_iTracing = 2;
+						goto write_again;
+					}
+					m_iTracing = 0;
+				}
+			}
+
+			// if this is a reliable snapshot, drop the client
+			Disconnect( "ERROR! Reliable snapshot overflow." );
+			return;
+		}
+		else
+		{
+			// unreliable snapshots may be dropped
+			ConMsg ("WARNING: msg overflowed for %s\n", m_Name);
+			msg.Reset();
+		}
+	}
+
+	// remember this snapshot
+	m_pLastSnapshot = pFrame->GetSnapshot();
+
+	// Don't send the datagram to fakeplayers unless sv_stressbots is on (which will make m_NetChannel non-null).
+	if ( m_bFakePlayer && !m_NetChannel )
+	{
+		m_nDeltaTick = pFrame->tick_count;
+		m_nStringTableAckTick = m_nDeltaTick;
+		return;
+	}
+
+	bool bSendOK;
+
+	// is this is a full entity update (no delta) ?
+	if ( !deltaFrame )
+	{
+		VPROF_BUDGET( "SendSnapshot Transmit Full", VPROF_BUDGETGROUP_OTHER_NETWORKING );
+
+		// transmit snapshot as reliable data chunk
+		bSendOK = m_NetChannel->SendData( msg );
+		bSendOK = bSendOK && m_NetChannel->Transmit();
+
+		// remember this tickcount we send the reliable snapshot
+		// so we can continue sending other updates if this has been acknowledged
+		m_nForceWaitForTick = pFrame->tick_count;
+	}
+	else
+	{
+		VPROF_BUDGET( "SendSnapshot Transmit Delta", VPROF_BUDGETGROUP_OTHER_NETWORKING );
+
+		// just send it as unreliable snapshot
+		bSendOK = m_NetChannel->SendDatagram( &msg ) > 0;
+	}
+		
+	if ( bSendOK )
+	{
+		if ( IsTracing() )
+		{
+			TraceNetworkMsg( 0, "Finished [delta %s]", deltaFrame ? "yes" : "no" );
+			EndTrace( msg );
+		}
+	}
+	else
+	{
+		Disconnect( "ERROR! Couldn't send snapshot." );
+	}
+}
+
+bool CBaseClient::ExecuteStringCommand( const char *pCommand )
+{
+	if ( !pCommand || !pCommand[0] )
+		return false;
+
+	if ( !Q_stricmp( pCommand, "demorestart" ) )
+	{
+		DemoRestart();
+		// trick, dont return true, so serverGameClients gets this command too
+		return false; 
+	}
+
+	return false;
+}
+
+void CBaseClient::DemoRestart()
+{
+	
+}
+
+bool CBaseClient::ShouldSendMessages( void )
+{
+	if ( !IsConnected() )
+		return false;
+
+	// if the reliable message overflowed, drop the client
+	if ( m_NetChannel && m_NetChannel->IsOverflowed() )
+	{
+		m_NetChannel->Reset();
+		Disconnect ("%s overflowed reliable buffer\n", m_Name );
+		return false;
+	}
+
+	// check, if it's time to send the next packet
+	bool bSendMessage = m_fNextMessageTime <= net_time ;
+
+	if ( !bSendMessage && !IsActive() )
+	{
+		// if we are in signon modem instantly reply if
+		// we got a answer and have reliable data waiting
+		if ( m_bReceivedPacket && m_NetChannel && m_NetChannel->HasPendingReliableData() )
+		{
+			bSendMessage = true;
+		}
+	}
+
+	if ( bSendMessage && m_NetChannel && !m_NetChannel->CanPacket() )
+	{
+		// we would like to send a message, but bandwidth isn't available yet
+		// tell netchannel that we are choking a packet
+		m_NetChannel->SetChoked();	
+		// Record an ETW event to indicate that we are throttling.
+		ETWThrottled();
+		bSendMessage = false;
+	}
+
+	return bSendMessage;
+}
+
+void CBaseClient::UpdateSendState( void )
+{
+	// wait for next incoming packet
+	m_bReceivedPacket = false;
+
+	// in single player mode always send messages
+	if ( !m_Server->IsMultiplayer() && !host_limitlocal.GetFloat() )
+	{
+		m_fNextMessageTime = net_time; // send ASAP and 
+		m_bReceivedPacket = true;	// don't wait for incoming packets
+	}
+	else if ( IsActive() )	// multiplayer mode
+	{
+		// snapshot mode: send snapshots frequently
+		float maxDelta = min ( m_Server->GetTickInterval(), m_fSnapshotInterval );
+		float delta = clamp( (float)( net_time - m_fNextMessageTime ), 0.0f, maxDelta );
+		m_fNextMessageTime = net_time + m_fSnapshotInterval - delta;
+	}
+	else // multiplayer signon mode
+	{
+		if ( m_NetChannel && m_NetChannel->HasPendingReliableData() && 
+			m_NetChannel->GetTimeSinceLastReceived() < 1.0f )
+		{
+			// if we have pending reliable data send as fast as possible
+			m_fNextMessageTime = net_time;
+		}
+		else
+		{
+			// signon mode: only respond on request or after 1 second
+			m_fNextMessageTime = net_time + 1.0f;
+		}
+	}
+}
+
+void CBaseClient::UpdateUserSettings()
+{
+	int rate = m_ConVars->GetInt( "rate", DEFAULT_RATE );
+
+	if ( sv.IsActive() )
+	{
+		// If we're running a local listen server then set the rate very high
+		// in order to avoid delays due to network throttling. This allows for
+		// easier profiling of other issues (it removes most of the frame-render
+		// time which can otherwise dominate profiles) and saves developer time
+		// by making maps and models load much faster.
+		if ( rate == DEFAULT_RATE )
+		{
+			// Only override the rate if the user hasn't customized it.
+			// The max rate should be a million or so in order to truly
+			// eliminate networking delays.
+			rate = MAX_RATE;
+		}
+	}
+
+	// set server to client network rate
+	SetRate( rate, false );
+
+	// set server to client update rate
+	SetUpdateRate( m_ConVars->GetInt( "cl_updaterate", 20), false );
+
+	SetMaxRoutablePayloadSize( m_ConVars->GetInt( "net_maxroutable", MAX_ROUTABLE_PAYLOAD ) );
+
+	m_Server->UserInfoChanged( m_nClientSlot );
+
+	m_bConVarsChanged = false;
+}
+
+void CBaseClient::ClientRequestNameChange( const char *pszNewName )
+{
+	// This is called several times.  Only show a status message the first time.
+	bool bShowStatusMessage = ( m_szPendingNameChange[0] == '\0' );
+	
+	V_strcpy_safe( m_szPendingNameChange, pszNewName );
+	CheckFlushNameChange( bShowStatusMessage );
+}
+
+void CBaseClient::CheckFlushNameChange( bool bShowStatusMessage /*= false*/ )
+{
+	if ( !IsConnected() )
+		return;
+	
+	if ( m_szPendingNameChange[0] == '\0' )
+		return;
+	
+	if ( m_bPlayerNameLocked )
+		return;
+
+	// Did they change it back to the original?
+	if ( !Q_strcmp( m_szPendingNameChange, m_Name ) )
+	{
+
+		// Nothing really pending, they already changed it back
+		// we had a chance to apply the other one!
+		m_szPendingNameChange[0] = '\0';
+		return;
+	}
+
+	// Check for throttling name changes
+	// Don't do it on bots
+	if ( !IsFakeClient() && IsNameChangeOnCooldown( bShowStatusMessage ) )
+	{
+		return;
+	}
+
+	// Set the new name
+	m_fTimeLastNameChange = Plat_FloatTime();
+	SetName( m_szPendingNameChange );
+}
+
+bool CBaseClient::IsNameChangeOnCooldown( bool bShowStatusMessage /*= false*/ )
+{
+	// Check cooldown.  The first name change is free
+	if ( m_fTimeLastNameChange > 0.0 )
+	{
+		// Too recent?
+		double timeNow = Plat_FloatTime();
+		double dNextChangeTime = m_fTimeLastNameChange + sv_namechange_cooldown_seconds.GetFloat();
+		if ( timeNow < dNextChangeTime )
+		{
+			// Cooldown period still active; throttle the name change
+			if ( bShowStatusMessage )
+			{
+				ClientPrintf( "You have changed your name recently, and must wait %i seconds.\n", (int)abs( timeNow - dNextChangeTime ) );
+			}
+			return true;
+		}
+	}
+
+	return false;
+}
+
+void CBaseClient::OnRequestFullUpdate()
+{
+	VPROF_BUDGET( "CBaseClient::OnRequestFullUpdate", VPROF_BUDGETGROUP_OTHER_NETWORKING );
+
+	// client requests a full update 
+	m_pLastSnapshot = NULL;
+
+	// free old baseline snapshot
+	FreeBaselines();
+
+	// and create new baseline snapshot
+	m_pBaseline = framesnapshotmanager->CreateEmptySnapshot( 0, MAX_EDICTS );
+
+	DevMsg("Sending full update to Client %s\n", GetClientName() );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *cl - 
+//-----------------------------------------------------------------------------
+bool CBaseClient::UpdateAcknowledgedFramecount(int tick)
+{
+	if ( IsFakeClient() )
+	{
+		// fake clients are always fine
+		m_nDeltaTick = tick; 
+		m_nStringTableAckTick = tick;
+		return true;
+	}
+
+	// are we waiting for full reliable update acknowledge
+	if ( m_nForceWaitForTick > 0 )
+	{
+		if ( tick > m_nForceWaitForTick )
+		{
+			// we should never get here since full updates are transmitted as reliable data now
+			// Disconnect("Acknowledging reliable snapshot failed.\n");
+			return true;
+		}
+		else if ( tick == -1 )
+		{
+			if( !m_NetChannel->HasPendingReliableData() )
+			{
+				// that's strange: we sent the client a full update, and it was fully received ( no reliable data in waiting buffers )
+				// but the client is requesting another full update.
+				//
+				// This can happen if they request full updates in succession really quickly (using cl_fullupdate or "record X;stop" quickly).
+				// There was a bug here where if we just return out, the client will have nuked its entities and we'd send it
+				// a supposedly uncompressed update but m_nDeltaTick was not -1, so it was delta'd and it'd miss lots of stuff.
+				// Led to clients getting full spectator mode radar while their player was not a spectator.
+				ConDMsg("Client forced immediate full update.\n");
+				m_nForceWaitForTick = m_nDeltaTick = -1;
+				OnRequestFullUpdate();
+				return true;
+			}
+		}
+		else if ( tick < m_nForceWaitForTick )
+		{
+			// keep on waiting, do nothing
+			return true;
+		}
+		else // ( tick == m_nForceWaitForTick )
+		{
+			// great, the client acknowledge the tick we send the full update
+			m_nForceWaitForTick = -1; 
+			// continue sending snapshots...
+		}	 
+	}
+	else
+	{
+		if ( m_nDeltaTick == -1 )
+		{
+			// we still want to send a full update, don't change delta_tick from -1
+			return true;
+		}
+
+		if ( tick == -1 )
+		{
+			OnRequestFullUpdate();
+		}
+		else
+		{
+			if ( m_nDeltaTick > tick )
+			{
+				// client already acknowledged new tick and now switch back to older
+				// thats not allowed since we always delete older frames
+				Disconnect("Client delta ticks out of order.\n");
+				return false;
+			}
+		}
+	}
+
+	// get acknowledged client frame
+	m_nDeltaTick = tick; 
+
+	if ( m_nDeltaTick > -1 )
+	{
+		m_nStringTableAckTick = m_nDeltaTick;
+	}
+
+	if ( (m_nBaselineUpdateTick > -1) && (m_nDeltaTick > m_nBaselineUpdateTick) )
+	{
+		// server sent a baseline update, but it wasn't acknowledged yet so it was probably lost. 
+		m_nBaselineUpdateTick = -1;
+	}
+
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: return a string version of the userid
+//-----------------------------------------------------------------------------
+const char *GetUserIDString( const USERID_t& id )
+{
+	static char idstr[ MAX_NETWORKID_LENGTH ];
+
+	idstr[ 0 ] = 0;
+
+	switch ( id.idtype )
+	{
+	case IDTYPE_STEAM:
+		{
+			CSteamID nullID;
+
+			if ( Steam3Server().BLanOnly() && nullID == id.steamid ) 
+			{
+				V_strcpy_safe( idstr, "STEAM_ID_LAN" );
+			}
+			else if ( nullID == id.steamid )
+			{
+				V_strcpy_safe( idstr, "STEAM_ID_PENDING" );
+			}
+			else
+			{
+				V_sprintf_safe( idstr, "%s", id.steamid.Render() );
+			}
+		}
+		break;		
+	case IDTYPE_HLTV:
+		{
+			V_strcpy_safe( idstr, "HLTV" );
+		}
+		break;
+	case IDTYPE_REPLAY:
+		{
+			V_strcpy_safe( idstr, "REPLAY" );
+		}
+		break;
+	default:
+		{
+			V_strcpy_safe( idstr, "UNKNOWN" );
+		}
+		break;
+	}
+
+	return idstr;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: return a string version of the userid
+//-----------------------------------------------------------------------------
+const char *CBaseClient::GetNetworkIDString() const
+{
+	if ( IsFakeClient() )
+	{
+		return "BOT";
+	}
+
+	return ( GetUserIDString( GetNetworkID() ) );
+}
+
+bool CBaseClient::IgnoreTempEntity( CEventInfo *event )
+{
+	int iPlayerIndex = GetPlayerSlot()+1;
+
+	return !event->filter.IncludesPlayer( iPlayerIndex );
+}
+
+const USERID_t CBaseClient::GetNetworkID() const
+{
+	USERID_t userID;
+
+	userID.steamid = m_SteamID;
+	userID.idtype = IDTYPE_STEAM; 
+
+	return userID;
+}
+
+void CBaseClient::SetSteamID( const CSteamID &steamID )
+{
+	m_SteamID = steamID;
+}
+
+void CBaseClient::SetMaxRoutablePayloadSize( int nMaxRoutablePayloadSize )
+{
+	if ( m_NetChannel )
+	{
+		m_NetChannel->SetMaxRoutablePayloadSize( nMaxRoutablePayloadSize );
+	}
+}
+
+int CBaseClient::GetMaxAckTickCount() const
+{
+	int nMaxTick = m_nSignonTick;
+	if ( m_nDeltaTick > nMaxTick )
+	{
+		nMaxTick = m_nDeltaTick;
+	}
+	if ( m_nStringTableAckTick > nMaxTick )
+	{
+		nMaxTick = m_nStringTableAckTick;
+	}
+	return nMaxTick;
+}
+
+bool CBaseClient::ProcessCmdKeyValues( CLC_CmdKeyValues *msg )
+{
+	return true;
+}
+
+void CBaseClient::OnSignonStateFull()
+{
+#if defined( REPLAY_ENABLED )
+	if ( g_pReplay && g_pServerReplayContext )
+	{
+		g_pServerReplayContext->CreateSessionOnClient( m_nClientSlot );
+	}
+#endif
+}