First version of the SOurce SDK 2013

1 files changed, 1513 insertions, 0 deletions

diff --git a/mp/src/game/client/vgui_netgraphpanel.cpp b/mp/src/game/client/vgui_netgraphpanel.cpp
new file mode 100644
index 00000000..3fbd1113
--- /dev/null
+++ b/mp/src/game/client/vgui_netgraphpanel.cpp
@@ -0,0 +1,1513 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//

+//

+// Purpose: 

+//

+// $Workfile:     $

+// $Date:         $

+// $NoKeywords: $

+//=============================================================================//

+#include "cbase.h"

+#include "hud.h"

+#include "inetgraphpanel.h"

+#include "kbutton.h"

+#include <inetchannelinfo.h>

+#include "input.h"

+#include <vgui/IVGui.h>

+#include "VGuiMatSurface/IMatSystemSurface.h"

+#include <vgui_controls/Panel.h>

+#include <vgui_controls/Controls.h>

+#include <vgui/ISurface.h>

+#include <vgui/IScheme.h>

+#include <vgui/ILocalize.h>

+#include "tier0/vprof.h"

+#include "cdll_bounded_cvars.h"

+

+#include "materialsystem/imaterialsystem.h"

+#include "materialsystem/imesh.h"

+#include "materialsystem/imaterial.h"

+

+// memdbgon must be the last include file in a .cpp file!!!

+#include "tier0/memdbgon.h"

+

+using namespace vgui;

+

+static ConVar	net_scale			( "net_scale", "5", FCVAR_ARCHIVE );

+static ConVar	net_graphpos		( "net_graphpos", "1", FCVAR_ARCHIVE );

+static ConVar	net_graphsolid		( "net_graphsolid", "1", FCVAR_ARCHIVE );

+static ConVar	net_graphtext		( "net_graphtext", "1", FCVAR_ARCHIVE, "Draw text fields" );

+static ConVar	net_graphmsecs		( "net_graphmsecs", "400", FCVAR_ARCHIVE, "The latency graph represents this many milliseconds." );

+static ConVar	net_graphshowlatency( "net_graphshowlatency", "1", FCVAR_ARCHIVE, "Draw the ping/packet loss graph." );

+static ConVar	net_graphshowinterp ( "net_graphshowinterp", "1", FCVAR_ARCHIVE, "Draw the interpolation graph." );

+

+void NetgraphFontChangeCallback( IConVar *var, const char *pOldValue, float flOldValue );

+

+static ConVar	net_graph			( "net_graph","0", FCVAR_ARCHIVE, "Draw the network usage graph, = 2 draws data on payload, = 3 draws payload legend.", NetgraphFontChangeCallback );

+static ConVar	net_graphheight		( "net_graphheight", "64", FCVAR_ARCHIVE, "Height of netgraph panel", NetgraphFontChangeCallback );

+static ConVar	net_graphproportionalfont( "net_graphproportionalfont", "1", FCVAR_ARCHIVE, "Determines whether netgraph font is proportional or not", NetgraphFontChangeCallback );

+

+

+#define	TIMINGS	1024       // Number of values to track (must be power of 2) b/c of masking

+#define FRAMERATE_AVG_FRAC 0.9

+#define PACKETLOSS_AVG_FRAC 0.5

+#define PACKETCHOKE_AVG_FRAC 0.5

+

+#define NUM_LATENCY_SAMPLES 8

+

+#define GRAPH_RED	(0.9 * 255)

+#define GRAPH_GREEN (0.9 * 255)

+#define GRAPH_BLUE	(0.7 * 255)

+

+#define LERP_HEIGHT 24

+

+#define COLOR_DROPPED	0

+#define COLOR_INVALID	1

+#define COLOR_SKIPPED	2

+#define COLOR_CHOKED	3

+#define COLOR_NORMAL	4

+

+//-----------------------------------------------------------------------------

+// Purpose: Displays the NetGraph 

+//-----------------------------------------------------------------------------

+class CNetGraphPanel : public Panel

+{

+	typedef Panel BaseClass;

+private:

+	typedef struct

+	{

+		int latency;

+		int	choked;

+	} packet_latency_t;

+

+	typedef struct

+	{

+		unsigned short msgbytes[INetChannelInfo::TOTAL+1];

+		int				sampleY;

+		int				sampleHeight;

+

+	} netbandwidthgraph_t;

+

+	typedef struct

+	{

+		 float		cmd_lerp;

+		int			size;

+		bool		sent;

+	} cmdinfo_t;

+

+	typedef struct

+	{

+		byte color[3];

+		byte alpha;

+	} netcolor_t;

+

+	byte colors[ LERP_HEIGHT ][3];

+

+	byte sendcolor[ 3 ];

+	byte holdcolor[ 3 ];

+	byte extrap_base_color[ 3 ];

+

+	packet_latency_t	m_PacketLatency[ TIMINGS ];

+	cmdinfo_t			m_Cmdinfo[ TIMINGS ];

+	netbandwidthgraph_t	m_Graph[ TIMINGS ];

+

+	float	m_Framerate;

+	float   m_AvgLatency;

+	float	m_AvgPacketLoss;

+	float	m_AvgPacketChoke;

+	int		m_IncomingSequence;

+	int		m_OutgoingSequence;

+	int		m_UpdateWindowSize;

+	float	m_IncomingData;

+	float	m_OutgoingData;

+	float	m_AvgPacketIn;

+	float	m_AvgPacketOut;

+

+	int		m_StreamRecv[MAX_FLOWS];

+	int		m_StreamTotal[MAX_FLOWS];

+

+	netcolor_t netcolors[5];

+

+	HFont			m_hFontProportional;

+	HFont			m_hFont;

+

+	HFont			m_hFontSmall;

+	const ConVar		*cl_updaterate;

+	const ConVar		*cl_cmdrate;

+

+public:

+						CNetGraphPanel( VPANEL parent );

+	virtual				~CNetGraphPanel( void );

+

+	virtual void		ApplySchemeSettings(IScheme *pScheme);

+	virtual void		Paint();

+	virtual void		OnTick( void );

+

+	virtual bool		ShouldDraw( void );

+

+	void				InitColors( void );

+	int					GraphValue( void );

+

+	struct CLineSegment

+	{

+		int			x1, y1, x2, y2;

+		byte		color[4];

+		byte		color2[4];

+	};

+

+	CUtlVector< CLineSegment >	m_Rects;

+

+	inline void			DrawLine( vrect_t *rect, unsigned char *color, unsigned char alpha );

+	inline void			DrawLine2( vrect_t *rect, unsigned char *color, unsigned char *color2, unsigned char alpha, unsigned char alpha2 );

+

+	void				ResetLineSegments();

+	void				DrawLineSegments();

+

+	int					DrawDataSegment( vrect_t *rcFill, int bytes, byte r, byte g, byte b, byte alpha = 255);

+	void				DrawUpdateRate( int xright, int y );

+	void				DrawCmdRate( int xright, int y );

+	void				DrawHatches( int x, int y, int maxmsgbytes );

+	void				DrawStreamProgress( int x, int y, int width );

+	void				DrawTimes( vrect_t vrect, cmdinfo_t *cmdinfo, int x, int w, int graphtype );

+	void				DrawTextFields( int graphvalue, int x, int y, int w, netbandwidthgraph_t *graph, cmdinfo_t *cmdinfo );

+	void				GraphGetXY( vrect_t *rect, int width, int *x, int *y );

+	void				GetCommandInfo( INetChannelInfo *netchannel, cmdinfo_t *cmdinfo );

+	void				GetFrameData( INetChannelInfo *netchannel, int *biggest_message, float *avg_message, float *f95thpercentile );

+	void				ColorForHeight( packet_latency_t *packet, byte *color, int *ping, byte *alpha );

+	void				GetColorValues( int color, byte *cv, byte *alpha );

+

+	void				OnFontChanged();

+

+private:

+

+	void				PaintLineArt( int x, int y, int w, int graphtype, int maxmsgbytes );

+	void				DrawLargePacketSizes( int x, int w, int graphtype, float warning_threshold );

+

+	HFont			GetNetgraphFont()

+	{

+		return net_graphproportionalfont.GetBool() ? m_hFontProportional : m_hFont;

+	}

+

+	void				ComputeNetgraphHeight();

+	void				UpdateEstimatedServerFramerate( INetChannelInfo *netchannel );

+

+	CMaterialReference	m_WhiteMaterial;

+

+	int m_EstimatedWidth;

+

+	int					m_nNetGraphHeight;

+

+	float				m_flServerFramerate;

+	float				m_flServerFramerateStdDeviation;

+};

+

+CNetGraphPanel *g_pNetGraphPanel = NULL;

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+// Input  : *parent - 

+//-----------------------------------------------------------------------------

+CNetGraphPanel::CNetGraphPanel( VPANEL parent )

+: BaseClass( NULL, "CNetGraphPanel" )

+{

+	int w, h;

+	surface()->GetScreenSize( w, h );

+

+	SetParent( parent );

+	SetSize( w, h );

+	SetPos( 0, 0 );

+	SetVisible( false );

+	SetCursor( null );

+

+	m_hFont = 0;

+	m_hFontProportional = 0;

+	m_hFontSmall = 0;

+	m_EstimatedWidth = 1;

+	m_nNetGraphHeight = 100;

+

+	SetFgColor( Color( 0, 0, 0, 255 ) );

+	SetPaintBackgroundEnabled( false );

+

+	InitColors();

+

+	cl_updaterate = cvar->FindVar( "cl_updaterate" );

+	cl_cmdrate = cvar->FindVar( "cl_cmdrate" );

+	assert( cl_updaterate && cl_cmdrate );

+

+	memset( sendcolor, 0, 3 );

+	memset( holdcolor, 0, 3 );

+	sendcolor[ 0 ] = sendcolor[ 1 ] = 255;

+

+	memset( extrap_base_color, 255, 3 );

+

+	memset( m_PacketLatency, 0, TIMINGS * sizeof( packet_latency_t ) );

+	memset( m_Cmdinfo, 0, TIMINGS * sizeof( cmdinfo_t ) );

+	memset( m_Graph, 0, TIMINGS * sizeof( netbandwidthgraph_t ) );

+

+	m_Framerate = 0.0f;

+	m_AvgLatency = 0.0f;

+	m_AvgPacketLoss = 0.0f;

+	m_AvgPacketChoke = 0.0f;

+	m_IncomingSequence = 0;

+	m_OutgoingSequence = 0;

+	m_UpdateWindowSize = 0;

+	m_IncomingData = 0;

+	m_OutgoingData = 0;

+	m_AvgPacketIn = 0.0f;

+	m_AvgPacketOut = 0.0f;

+	m_flServerFramerate = 0;

+	m_flServerFramerateStdDeviation = 0;

+

+	netcolors[COLOR_DROPPED].color[0] = 255;

+	netcolors[COLOR_DROPPED].color[1] = 0;

+	netcolors[COLOR_DROPPED].color[2] = 0;

+	netcolors[COLOR_DROPPED].alpha = 255;

+	netcolors[COLOR_INVALID].color[0] = 0;

+	netcolors[COLOR_INVALID].color[1] = 0;

+	netcolors[COLOR_INVALID].color[2] = 255;

+	netcolors[COLOR_INVALID].alpha = 255;

+	netcolors[COLOR_SKIPPED].color[0] = 240;

+	netcolors[COLOR_SKIPPED].color[1] = 127;

+	netcolors[COLOR_SKIPPED].color[2] = 63;

+	netcolors[COLOR_SKIPPED].alpha = 255;

+	netcolors[COLOR_CHOKED].color[0] = 225;

+	netcolors[COLOR_CHOKED].color[1] = 225;

+	netcolors[COLOR_CHOKED].color[2] = 0;

+	netcolors[COLOR_CHOKED].alpha = 255;

+	netcolors[COLOR_NORMAL].color[0] = 63;

+	netcolors[COLOR_NORMAL].color[1] = 255;

+	netcolors[COLOR_NORMAL].color[2] = 63;

+	netcolors[COLOR_NORMAL].alpha = 232;

+

+	ivgui()->AddTickSignal( GetVPanel(), 500 );

+

+	m_WhiteMaterial.Init( "vgui/white", TEXTURE_GROUP_OTHER );

+	g_pNetGraphPanel = this;

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+CNetGraphPanel::~CNetGraphPanel( void )

+{

+	g_pNetGraphPanel = NULL;

+}

+

+void NetgraphFontChangeCallback( IConVar *var, const char *pOldValue, float flOldValue )

+{

+	if ( g_pNetGraphPanel )

+	{

+		g_pNetGraphPanel->OnFontChanged();

+	}

+}

+

+void CNetGraphPanel::OnFontChanged()

+{

+	// Estimate the width of our panel.

+	char str[512];

+	wchar_t ustr[512];

+	Q_snprintf( str, sizeof( str ), "fps:  435  ping: 533 ms lerp 112.3 ms   0/0" );

+	g_pVGuiLocalize->ConvertANSIToUnicode( str, ustr, sizeof( ustr ) );

+	int textTall;

+	if ( m_hFontProportional == vgui::INVALID_FONT )

+	{

+		m_EstimatedWidth = textTall = 0;

+	}

+	else

+	{

+		g_pMatSystemSurface->GetTextSize( m_hFontProportional, ustr, m_EstimatedWidth, textTall );

+	}

+

+	int w, h;

+	surface()->GetScreenSize( w, h );

+	SetSize( w, h );

+	SetPos( 0, 0 );

+

+	ComputeNetgraphHeight();

+}

+

+void CNetGraphPanel::ApplySchemeSettings(IScheme *pScheme)

+{

+	BaseClass::ApplySchemeSettings(pScheme);

+

+	m_hFont = pScheme->GetFont( "DefaultFixedOutline", false );

+	m_hFontProportional = pScheme->GetFont( "DefaultFixedOutline", true );

+	m_hFontSmall = pScheme->GetFont( "DefaultVerySmall", false );

+

+	OnFontChanged();

+}

+

+void CNetGraphPanel::ComputeNetgraphHeight()

+{

+	m_nNetGraphHeight = net_graphheight.GetInt();

+

+	HFont fnt = GetNetgraphFont();

+	int tall = surface()->GetFontTall( fnt );

+

+	int lines = 3;

+	if ( net_graph.GetInt() > 3 )

+	{

+		lines = 5;

+	}

+	else if ( net_graph.GetInt() > 2 )

+	{

+		lines = 4;

+	}

+	m_nNetGraphHeight = MAX( lines * tall, m_nNetGraphHeight );

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Copies data from netcolor_t array into fields passed in

+// Input  : color - 

+//			*cv - 

+//			*alpha - 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::GetColorValues( int color, byte *cv, byte *alpha )

+{

+	int i;

+	netcolor_t *pc = &netcolors[ color ];

+	for ( i = 0; i < 3; i++ )

+	{

+		cv[ i ] = pc->color[ i ];

+	}

+	*alpha = pc->alpha;

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Sets appropriate color values

+// Input  : *packet - 

+//			*color - 

+//			*ping - 

+//			*alpha - 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::ColorForHeight( packet_latency_t *packet, byte *color, int *ping, byte *alpha )

+{

+	int h = packet->latency;

+	*ping = 0;

+	switch ( h )

+	{

+	case 9999:

+		GetColorValues( COLOR_DROPPED, color, alpha );

+		break;

+	case 9998:

+		GetColorValues( COLOR_INVALID, color, alpha );

+		break;

+	case 9997:

+		GetColorValues( COLOR_SKIPPED, color, alpha );

+		break;

+	default:

+		*ping = 1;

+		if (packet->choked )

+		{

+			GetColorValues( COLOR_CHOKED, color, alpha );

+		}

+		else

+		{

+			GetColorValues( COLOR_NORMAL, color, alpha );

+		}

+		break;

+	}

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Set up blend colors for comman/client-frame/interpolation graph

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::InitColors( void )

+{

+	int i, j;

+	byte mincolor[2][3];

+	byte maxcolor[2][3];

+	float	dc[2][3];

+	int		hfrac;	

+	float	f;

+

+	mincolor[0][0] = 63;

+	mincolor[0][1] = 0;

+	mincolor[0][2] = 100;

+

+	maxcolor[0][0] = 0;

+	maxcolor[0][1] = 63;

+	maxcolor[0][2] = 255;

+

+	mincolor[1][0] = 255;

+	mincolor[1][1] = 127;

+	mincolor[1][2] = 0;

+

+	maxcolor[1][0] = 250;

+	maxcolor[1][1] = 0;

+	maxcolor[1][2] = 0;

+

+	for ( i = 0; i < 3; i++ )

+	{

+		dc[0][i] = (float)(maxcolor[0][i] - mincolor[0][i]);

+		dc[1][i] = (float)(maxcolor[1][i] - mincolor[1][i]);

+	}

+

+	hfrac = LERP_HEIGHT / 3;

+

+	for ( i = 0; i < LERP_HEIGHT; i++ )

+	{

+		if ( i < hfrac )

+		{

+			f = (float)i / (float)hfrac;

+			for ( j = 0; j < 3; j++ )

+			{

+				colors[ i ][j] = mincolor[0][j] + f * dc[0][j];

+			}

+		}

+		else

+		{

+			f = (float)(i-hfrac) / (float)(LERP_HEIGHT - hfrac );

+			for ( j = 0; j < 3; j++ )

+			{

+				colors[ i ][j] = mincolor[1][j] + f * dc[1][j];

+			}

+		}

+	}

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Draw client framerate / usercommand graph

+// Input  : vrect - 

+//			*cmdinfo - 

+//			x - 

+//			w - 

+//-----------------------------------------------------------------------------

+

+void CNetGraphPanel::DrawTimes( vrect_t vrect, cmdinfo_t *cmdinfo, int x, int w, int graphtype )

+{

+	if ( !net_graphshowinterp.GetBool() || graphtype <= 1 )

+		return;

+

+	int i;

+	int j;

+	int	extrap_point;

+	int a, h;

+	vrect_t  rcFill;

+

+	ResetLineSegments();

+

+	extrap_point = LERP_HEIGHT / 3;

+

+	for (a=0 ; a<w ; a++)

+	{

+		i = ( m_OutgoingSequence - a ) & ( TIMINGS - 1 );

+		h = MIN( ( cmdinfo[i].cmd_lerp / 3.0 ) * LERP_HEIGHT, LERP_HEIGHT );

+

+		rcFill.x		= x + w -a - 1;

+		rcFill.width	= 1;

+		rcFill.height	= 1;

+

+		rcFill.y = vrect.y + vrect.height - 4;

+		

+		if ( h >= extrap_point )

+		{

+			int start = 0;

+

+			h -= extrap_point;

+			rcFill.y -= extrap_point;

+

+			if ( !net_graphsolid.GetInt() )

+			{

+				rcFill.y -= (h - 1);

+				start = (h - 1);

+			}

+

+			for ( j = start; j < h; j++ )

+			{

+				DrawLine(&rcFill, colors[j + extrap_point], 255 );	

+				rcFill.y--;

+			}

+		}

+		else

+		{

+			int oldh;

+			oldh = h;

+			rcFill.y -= h;

+			h = extrap_point - h;

+

+			if ( !net_graphsolid.GetInt() )

+			{

+				h = 1;

+			}

+

+			for ( j = 0; j < h; j++ )

+			{

+				DrawLine(&rcFill, colors[j + oldh], 255 );	

+				rcFill.y--;

+			}

+		}

+

+		rcFill.y = vrect.y + vrect.height - 4 - extrap_point;

+

+		DrawLine( &rcFill, extrap_base_color, 255 );

+

+		rcFill.y = vrect.y + vrect.height - 3;

+

+		if ( cmdinfo[ i ].sent )

+		{

+			DrawLine( &rcFill, sendcolor, 255 );

+		}

+		else

+		{

+			DrawLine( &rcFill, holdcolor, 200 );

+		}

+	}

+

+	DrawLineSegments();

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Compute frame database for rendering m_NetChannel computes choked, and lost packets, too.

+//  Also computes latency data and sets max packet size

+// Input  : *packet_latency - 

+//			*graph - 

+//			*choke_count - 

+//			*loss_count - 

+//			*biggest_message - 

+//			1 - 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::GetFrameData( 	INetChannelInfo *netchannel, int *biggest_message, float *avg_message, float *f95thpercentile )

+{

+	float	frame_received_time;

+	// float	frame_latency;

+

+	*biggest_message	= 0;

+	*avg_message		= 0.0f;

+	*f95thpercentile	= 0.0f;

+

+	int msg_count = 0;

+

+	m_IncomingSequence = netchannel->GetSequenceNr( FLOW_INCOMING );

+	m_OutgoingSequence = netchannel->GetSequenceNr( FLOW_OUTGOING );

+	m_UpdateWindowSize = netchannel->GetBufferSize();

+	m_AvgPacketLoss	   = netchannel->GetAvgLoss( FLOW_INCOMING );

+	m_AvgPacketChoke   = netchannel->GetAvgChoke( FLOW_INCOMING );

+	m_AvgLatency	   = netchannel->GetAvgLatency( FLOW_OUTGOING );

+	m_IncomingData	   = netchannel->GetAvgData( FLOW_INCOMING ) / 1024.0f;

+	m_OutgoingData	   = netchannel->GetAvgData( FLOW_OUTGOING ) / 1024.0f;

+	m_AvgPacketIn      = netchannel->GetAvgPackets( FLOW_INCOMING );

+	m_AvgPacketOut     = netchannel->GetAvgPackets( FLOW_OUTGOING );

+

+	for ( int i=0; i<MAX_FLOWS; i++ )

+		netchannel->GetStreamProgress( i, &m_StreamRecv[i], &m_StreamTotal[i] );

+

+	float flAdjust = 0.0f;

+

+	if ( cl_updaterate->GetFloat() > 0.001f )

+	{

+		flAdjust = -0.5f / cl_updaterate->GetFloat();

+

+		m_AvgLatency += flAdjust;

+	}

+

+	// Can't be below zero

+	m_AvgLatency = MAX( 0.0, m_AvgLatency );

+

+	flAdjust *= 1000.0f;

+

+	// Fill in frame data

+	for ( int seqnr =m_IncomingSequence - m_UpdateWindowSize + 1

+		; seqnr <= m_IncomingSequence

+		; seqnr++)

+	{

+		

+		

+		frame_received_time = netchannel->GetPacketTime( FLOW_INCOMING, seqnr );

+

+		netbandwidthgraph_t *nbwg = &m_Graph[ seqnr & ( TIMINGS - 1 )];

+		packet_latency_t *lat = &m_PacketLatency[ seqnr & ( TIMINGS - 1 ) ];

+

+		netchannel->GetPacketResponseLatency( FLOW_INCOMING, seqnr, &lat->latency, &lat->choked );

+

+		if ( lat->latency < 9995 )

+		{

+			lat->latency += flAdjust;

+			lat->latency = MAX( lat->latency, 0 );

+		}		

+

+		for ( int i=0; i<=INetChannelInfo::TOTAL; i++ )

+		{

+			nbwg->msgbytes[i] = netchannel->GetPacketBytes( FLOW_INCOMING, seqnr, i );

+		}

+

+		// Assert ( nbwg->msgbytes[INetChannelInfo::TOTAL] > 0 );

+

+		if ( nbwg->msgbytes[INetChannelInfo::TOTAL] > *biggest_message )

+		{

+			*biggest_message = nbwg->msgbytes[INetChannelInfo::TOTAL];

+		}

+

+		*avg_message += (float)( nbwg->msgbytes[INetChannelInfo::TOTAL] );

+		msg_count++;

+

+

+	}

+

+	if ( *biggest_message > 1000 )

+	{

+		*biggest_message = 1000;

+	}

+

+	if ( msg_count >= 1 )

+	{

+		*avg_message /= msg_count;

+

+		int deviationsquared = 0;

+

+		// Compute std deviation

+		// Fill in frame data

+		for (int seqnr=m_IncomingSequence - m_UpdateWindowSize + 1

+			; seqnr <= m_IncomingSequence

+			; seqnr++)

+		{

+			int bytes = m_Graph[ seqnr & ( TIMINGS - 1 )].msgbytes[INetChannelInfo::TOTAL] - ( *avg_message );

+

+			deviationsquared += ( bytes * bytes );

+		}

+

+		float var = ( float )( deviationsquared ) / (float)( msg_count - 1 );

+		float stddev = sqrt( var );

+

+		*f95thpercentile = *avg_message + 2.0f * stddev;

+	}

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Fills in command interpolation/holdback & message size data

+// Input  : *cmdinfo - 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::GetCommandInfo( INetChannelInfo *netchannel, cmdinfo_t *cmdinfo )

+{

+	for ( int seqnr = m_OutgoingSequence - m_UpdateWindowSize + 1

+		; seqnr <= m_OutgoingSequence

+		; seqnr++)

+	{

+		// Also set up the lerp point.

+		cmdinfo_t *ci = &cmdinfo[ seqnr & ( TIMINGS - 1 ) ];

+

+		ci->cmd_lerp = netchannel->GetCommandInterpolationAmount( FLOW_OUTGOING, seqnr );

+		ci->sent =	netchannel->IsValidPacket( FLOW_OUTGOING, seqnr );

+		ci->size =	netchannel->GetPacketBytes( FLOW_OUTGOING, seqnr, INetChannelInfo::TOTAL);

+	}

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Draws overlay text fields showing framerate, latency, bandwidth breakdowns, 

+//  and, optionally, packet loss and choked packet percentages

+// Input  : graphvalue - 

+//			x - 

+//			y - 

+//			*graph - 

+//			*cmdinfo - 

+//			count - 

+//			avg - 

+//			*framerate - 

+//			0.0 - 

+//			avg - 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::DrawTextFields( int graphvalue, int x, int y, int w, netbandwidthgraph_t *graph, cmdinfo_t *cmdinfo )

+{

+	if ( !net_graphtext.GetBool() )

+		return;

+

+	static int lastout;

+

+	char sz[ 256 ];

+	int out;

+

+	HFont font = GetNetgraphFont();

+

+	// Move rolling average

+	m_Framerate = FRAMERATE_AVG_FRAC * m_Framerate + ( 1.0 - FRAMERATE_AVG_FRAC ) * gpGlobals->absoluteframetime;

+

+	// Print it out

+	y -= m_nNetGraphHeight;

+

+	int saveY = y;

+

+	if ( m_Framerate <= 0.0f )

+		m_Framerate = 1.0f;

+

+	if ( engine->IsPlayingDemo() )

+		m_AvgLatency = 0.0f;

+

+	int textTall = surface()->GetFontTall( font );

+

+	Q_snprintf( sz, sizeof( sz ), "fps:%4i   ping: %i ms", (int)(1.0f / m_Framerate), (int)(m_AvgLatency*1000.0f) );

+	

+	g_pMatSystemSurface->DrawColoredText( font, x, y, GRAPH_RED, GRAPH_GREEN, GRAPH_BLUE, 255, sz );

+

+	// Draw update rate

+	DrawUpdateRate( x + w, y );

+

+	y += textTall;

+

+	out = cmdinfo[ ( ( m_OutgoingSequence - 1 ) & ( TIMINGS - 1 ) ) ].size;

+	if ( !out )

+	{

+		out = lastout;

+	}

+	else

+	{

+		lastout = out;

+	}

+

+	int totalsize = graph[ ( m_IncomingSequence & ( TIMINGS - 1 ) ) ].msgbytes[INetChannelInfo::TOTAL];

+	

+	Q_snprintf( sz, sizeof( sz ), "in :%4i   %2.2f k/s ", totalsize, m_IncomingData );

+

+	int textWidth = g_pMatSystemSurface->DrawTextLen( font, "%s", sz );

+

+	g_pMatSystemSurface->DrawColoredText( font, x, y, GRAPH_RED, GRAPH_GREEN, GRAPH_BLUE, 255, sz );

+

+	Q_snprintf( sz, sizeof( sz ), "lerp: %5.1f ms", GetClientInterpAmount() * 1000.0f );

+

+	int interpcolor[ 3 ] = { GRAPH_RED, GRAPH_GREEN, GRAPH_BLUE }; 

+	float flInterp = GetClientInterpAmount();

+	if ( flInterp > 0.001f )

+	{

+		// Server framerate is lower than interp can possibly deal with

+		if ( m_flServerFramerate < ( 1.0f / flInterp ) )

+		{

+			interpcolor[ 0 ] = 255;

+			interpcolor[ 1 ] = 255;

+			interpcolor[ 2 ] = 31;

+		}

+		// flInterp is below recommended setting!!!

+		else if ( flInterp < ( 2.0f / cl_updaterate->GetFloat() ) )

+		{

+			interpcolor[ 0 ] = 255;

+			interpcolor[ 1 ] = 125;

+			interpcolor[ 2 ] = 31;

+		}

+	}

+

+	g_pMatSystemSurface->DrawColoredText( font, x + textWidth, y, interpcolor[ 0 ], interpcolor[ 1 ], interpcolor[ 2 ], 255, sz );

+

+	Q_snprintf( sz, sizeof( sz ), "%3.1f/s", m_AvgPacketIn );

+	textWidth = g_pMatSystemSurface->DrawTextLen( font, "%s", sz );

+

+	g_pMatSystemSurface->DrawColoredText( font, x + w - textWidth - 1, y, GRAPH_RED, GRAPH_GREEN, GRAPH_BLUE, 255, sz );

+

+	y += textTall;

+

+	Q_snprintf( sz, sizeof( sz ), "out:%4i   %2.2f k/s", out, m_OutgoingData );

+

+	g_pMatSystemSurface->DrawColoredText( font, x, y, GRAPH_RED, GRAPH_GREEN, GRAPH_BLUE, 255, sz );

+

+	Q_snprintf( sz, sizeof( sz ), "%3.1f/s", m_AvgPacketOut );

+	textWidth = g_pMatSystemSurface->DrawTextLen( font, "%s", sz );

+

+	g_pMatSystemSurface->DrawColoredText( font, x + w - textWidth - 1, y, GRAPH_RED, GRAPH_GREEN, GRAPH_BLUE, 255, sz );

+

+	y += textTall;

+

+	DrawCmdRate( x + w, y );

+

+	if ( graphvalue > 2 )

+	{

+		Q_snprintf( sz, sizeof( sz ), "loss:%3i    choke: %2i ", (int)(m_AvgPacketLoss*100.0f), (int)(m_AvgPacketChoke*100.0f) );

+

+		textWidth = g_pMatSystemSurface->DrawTextLen( font, "%s", sz );

+

+		g_pMatSystemSurface->DrawColoredText( font, x, y, GRAPH_RED, GRAPH_GREEN, GRAPH_BLUE, 255, sz );

+

+		y += textTall;

+

+		if ( graphvalue > 3 )

+		{

+			Q_snprintf( sz, sizeof( sz ), "sv  : %5.1f   var: %4.2f msec", m_flServerFramerate, m_flServerFramerateStdDeviation * 1000.0f );

+

+			int servercolor[ 3 ] = { GRAPH_RED, GRAPH_GREEN, GRAPH_BLUE };

+

+			if ( m_flServerFramerate < 10.0f )

+			{

+				servercolor[ 0 ] = 255;

+				servercolor[ 1 ] = 31;

+				servercolor[ 2 ] = 31;

+			}

+			else if ( m_flServerFramerate < 20.0f )

+			{

+				servercolor[ 0 ] = 255;

+				servercolor[ 1 ] = 255;

+				servercolor[ 2 ] = 0;

+			}

+

+			g_pMatSystemSurface->DrawColoredText( font, x, y, servercolor[ 0 ], servercolor[ 1 ], servercolor[ 2 ], 255, sz );

+

+			y += textTall;

+		}

+	}

+

+	// Draw legend

+	if ( graphvalue >= 3 )

+	{

+		int textTall = g_pMatSystemSurface->GetFontTall( m_hFontSmall );

+

+		y = saveY - textTall - 5;

+		int cw, ch;

+		g_pMatSystemSurface->GetTextSize( m_hFontSmall, L"otherplayersWWW", cw, ch );

+		if ( x - cw < 0 )

+		{

+			x += w + 5;

+		}

+		else

+		{

+			x -= cw;

+		}

+

+		g_pMatSystemSurface->DrawColoredText( m_hFontSmall, x, y, 0, 0, 255, 255, "localplayer" );

+		y -= textTall;

+		g_pMatSystemSurface->DrawColoredText( m_hFontSmall, x, y, 0, 255, 0, 255, "otherplayers" );

+		y -= textTall;

+		g_pMatSystemSurface->DrawColoredText( m_hFontSmall, x, y, 255, 0, 0, 255, "entities" );

+		y -= textTall;

+		g_pMatSystemSurface->DrawColoredText( m_hFontSmall, x, y, 255, 255, 0, 255, "sounds" );

+		y -= textTall;

+		g_pMatSystemSurface->DrawColoredText( m_hFontSmall, x, y, 0, 255, 255, 255, "events" );

+		y -= textTall;

+		g_pMatSystemSurface->DrawColoredText( m_hFontSmall, x, y, 128, 128, 0, 255, "usermessages" );

+		y -= textTall;

+		g_pMatSystemSurface->DrawColoredText( m_hFontSmall, x, y, 0, 128, 128, 255, "entmessages" );

+		y -= textTall;

+		g_pMatSystemSurface->DrawColoredText( m_hFontSmall, x, y, 128, 0, 0, 255, "stringcmds" );

+		y -= textTall;

+		g_pMatSystemSurface->DrawColoredText( m_hFontSmall, x, y, 0, 128, 0, 255, "stringtables" );

+		y -= textTall;

+		g_pMatSystemSurface->DrawColoredText( m_hFontSmall, x, y, 0, 0, 128, 255, "voice" );

+		y -= textTall;

+	}

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Determine type of graph to show, or if +graph key is held down, use detailed graph

+// Output : int

+//-----------------------------------------------------------------------------

+int CNetGraphPanel::GraphValue( void )

+{

+	int graphtype;

+

+	graphtype = net_graph.GetInt();

+	

+	if ( !graphtype && !( in_graph.state & 1 ) )

+		return 0;

+

+	// With +graph key, use max area

+	if ( !graphtype )

+	{

+		graphtype = 2;

+	}

+

+	return graphtype;

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Figure out x and y position for graph based on net_graphpos

+//   value.

+// Input  : *rect - 

+//			width - 

+//			*x - 

+//			*y - 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::GraphGetXY( vrect_t *rect, int width, int *x, int *y )

+{

+	*x = rect->x + 5;

+

+	switch ( net_graphpos.GetInt() )

+	{

+	case 0:

+		break;

+	case 1:

+		*x = rect->x + rect->width - 5 - width;

+		break;

+	case 2:

+		*x = rect->x + ( rect->width - 10 - width ) / 2;

+		break;

+	default:

+		*x = rect->x + clamp( (int) XRES( net_graphpos.GetInt() ), 5, rect->width - width - 5 );

+	}

+

+	*y = rect->y+rect->height - LERP_HEIGHT - 5;

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: drawing stream progess (file download etc) as green bars ( under in/out)

+// Input  : x - 

+//			y - 

+//			maxmsgbytes - 

+//-----------------------------------------------------------------------------

+

+void CNetGraphPanel::DrawStreamProgress( int x, int y, int width )

+{

+	vrect_t rcLine;

+

+	rcLine.height	= 1;

+	rcLine.x		= x;

+	

+	byte color[3]; color[0] = 0; color[1] = 200; color[2] = 0;

+

+	if ( m_StreamTotal[FLOW_INCOMING] > 0 )

+	{

+		rcLine.y = y - m_nNetGraphHeight + 15 + 14;

+		rcLine.width = (m_StreamRecv[FLOW_INCOMING]*width)/m_StreamTotal[FLOW_INCOMING];

+		DrawLine( &rcLine, color, 255 );

+	}

+

+	if ( m_StreamTotal[FLOW_OUTGOING] > 0 )

+	{

+		rcLine.y = y - m_nNetGraphHeight + 2*15 + 14;

+		rcLine.width = (m_StreamRecv[FLOW_OUTGOING]*width)/m_StreamTotal[FLOW_OUTGOING];

+		DrawLine( &rcLine, color, 255 );

+	}

+}

+

+

+//-----------------------------------------------------------------------------

+// Purpose: If showing bandwidth data, draw hatches big enough for largest message

+// Input  : x - 

+//			y - 

+//			maxmsgbytes - 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::DrawHatches( int x, int y, int maxmsgbytes )

+{

+	int starty;

+	int ystep;

+	vrect_t rcHatch;

+

+	byte colorminor[3];

+	byte color[3];

+

+	ystep = (int)( 10.0 / net_scale.GetFloat() );

+	ystep = MAX( ystep, 1 );

+

+	rcHatch.y		= y;

+	rcHatch.height	= 1;

+	rcHatch.x		= x;

+	rcHatch.width	= 4;

+

+	color[0] = 0;

+	color[1] = 200;

+	color[2] = 0;

+

+	colorminor[0] = 63;

+	colorminor[1] = 63;

+	colorminor[2] = 0;

+

+	for ( starty = rcHatch.y; rcHatch.y > 0 && ((starty - rcHatch.y)*net_scale.GetFloat() < ( maxmsgbytes + 50 ) ); rcHatch.y -= ystep )

+	{

+		if ( !((int)((starty - rcHatch.y)*net_scale.GetFloat() ) % 50 ) )

+		{

+			DrawLine( &rcHatch, color, 255 );

+		}

+		else if ( ystep > 5 )

+		{

+			DrawLine( &rcHatch, colorminor, 200 );

+		}

+	}

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: State how many updates a second are being requested

+// Input  : x - 

+//			y - 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::DrawUpdateRate( int xright, int y )

+{

+	char sz[ 32 ];

+	Q_snprintf( sz, sizeof( sz ), "%i/s", cl_updaterate->GetInt() );

+	wchar_t unicode[ 32 ];

+	g_pVGuiLocalize->ConvertANSIToUnicode( sz, unicode, sizeof( unicode  ) );

+

+	// Last one

+	int textWide, textTall;

+

+	g_pMatSystemSurface->GetTextSize( GetNetgraphFont(), unicode, textWide, textTall );

+

+	g_pMatSystemSurface->DrawColoredText( GetNetgraphFont(), xright - textWide - 1, y, GRAPH_RED, GRAPH_GREEN, GRAPH_BLUE, 255, "%s", sz );

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: State how many updates a second are being requested

+// Input  : x - 

+//			y - 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::DrawCmdRate( int xright, int y )

+{

+	char sz[ 32 ];

+	Q_snprintf( sz, sizeof( sz ), "%i/s", cl_cmdrate->GetInt() );

+	wchar_t unicode[ 32 ];

+	g_pVGuiLocalize->ConvertANSIToUnicode( sz, unicode, sizeof( unicode  ) );

+

+	// Last one

+	int textWide, textTall;

+

+	g_pMatSystemSurface->GetTextSize( GetNetgraphFont(), unicode, textWide, textTall );

+

+	g_pMatSystemSurface->DrawColoredText( GetNetgraphFont(), xright - textWide - 1, y, GRAPH_RED, GRAPH_GREEN, GRAPH_BLUE, 255, "%s", sz );

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Draws bandwidth breakdown data

+// Input  : *rcFill - 

+//			bytes - 

+//			r - 

+//			g - 

+//			b - 

+//			alpha - 

+// Output : int

+//-----------------------------------------------------------------------------

+int CNetGraphPanel::DrawDataSegment( vrect_t *rcFill, int bytes, byte r, byte g, byte b, byte alpha )

+{

+	int h;

+	byte color[3];

+

+	h = bytes / net_scale.GetFloat();

+	

+	color[0] = r;

+	color[1] = g;

+	color[2] = b;

+

+	rcFill->height = h;

+	rcFill->y -= h;

+

+	if ( rcFill->y < 2 )

+		return 0;

+

+	DrawLine( rcFill, color, alpha );

+

+	return 1;

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::OnTick( void )

+{

+	bool bVisible = ShouldDraw();

+	if ( IsVisible() != bVisible )

+	{

+		SetVisible( bVisible );

+	}

+}

+

+bool CNetGraphPanel::ShouldDraw( void )

+{

+	if ( GraphValue() != 0 )

+		return true;

+

+	return false;

+}

+

+void CNetGraphPanel::DrawLargePacketSizes( int x, int w, int graphtype, float warning_threshold )

+{

+	vrect_t		rcFill = {0,0,0,0};

+	int a, i;

+

+	for (a=0 ; a<w ; a++)

+	{

+		i = (m_IncomingSequence-a) & ( TIMINGS - 1 );

+		

+		rcFill.x			= x + w -a -1;

+		rcFill.width		= 1;

+		rcFill.y			= m_Graph[i].sampleY;

+		rcFill.height		= m_Graph[i].sampleHeight;

+

+		int nTotalBytes = m_Graph[ i ].msgbytes[ INetChannelInfo::TOTAL ];

+

+		if ( warning_threshold != 0.0f &&

+			nTotalBytes > MAX( 300, warning_threshold ) )

+		{

+			char sz[ 32 ];

+			Q_snprintf( sz, sizeof( sz ), "%i", nTotalBytes );

+

+			int len = g_pMatSystemSurface->DrawTextLen( m_hFont, sz );

+

+			int textx, texty;

+

+			textx = rcFill.x - len / 2;

+			texty = MAX( 0, rcFill.y - 11 );

+

+			g_pMatSystemSurface->DrawColoredText( m_hFont, textx, texty, 255, 255, 255, 255, sz );

+		}

+	}

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: A basic version (doesn't taken into account the "holding after

+// screenshot" bit like TF does, but is good enough for hud_freezecamhide.

+//-----------------------------------------------------------------------------

+static bool IsTakingAFreezecamScreenshot()

+{

+	C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();

+	bool bInFreezeCam = ( pPlayer && pPlayer->GetObserverMode() == OBS_MODE_FREEZECAM );

+

+	return ( bInFreezeCam && engine->IsTakingScreenshot() );

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::Paint() 

+{

+	VPROF( "CNetGraphPanel::Paint" );

+

+	// Don't display net_graph if taking freezecam screenshot and hud_freezecamhide is enabled

+	extern ConVar hud_freezecamhide;

+	if ( hud_freezecamhide.GetBool() && IsTakingAFreezecamScreenshot() )

+		return;

+

+	int			graphtype;

+

+	int			x, y;

+	int			w;

+	vrect_t		vrect;

+

+	int			maxmsgbytes = 0;

+

+	float		avg_message = 0.0f;

+	float		warning_threshold = 0.0f;

+

+	if ( ( graphtype = GraphValue() ) == 0 )

+		return;

+

+	// Since we divide by scale, make sure it's sensible

+	if ( net_scale.GetFloat() <= 0 )

+	{

+		net_scale.SetValue( 0.1f );

+	}

+

+	int sw, sh;

+	surface()->GetScreenSize( sw, sh );

+

+	// Get screen rectangle

+	vrect.x			= 0;

+	vrect.y			= 0;

+	vrect.width		= sw;

+	vrect.height	= sh;

+

+

+	w = MIN( (int)TIMINGS, m_EstimatedWidth );

+	if ( vrect.width < w + 10 )

+	{

+		w = vrect.width - 10;

+	}

+

+	// get current client netchannel INetChannelInfo interface

+	INetChannelInfo *nci = engine->GetNetChannelInfo();

+

+	if ( nci )

+	{

+		// update incoming data

+		GetFrameData( nci, &maxmsgbytes, &avg_message, &warning_threshold );

+

+		// update outgoing data

+		GetCommandInfo( nci, m_Cmdinfo );

+

+		UpdateEstimatedServerFramerate( nci );

+	}

+

+	GraphGetXY( &vrect, w, &x, &y );

+

+	if ( graphtype > 1 )

+	{

+		PaintLineArt( x, y, w, graphtype, maxmsgbytes );

+

+		DrawLargePacketSizes( x, w, graphtype, warning_threshold );

+	}

+

+	// Draw client frame timing info

+	DrawTimes( vrect, m_Cmdinfo, x, w, graphtype );

+

+	DrawTextFields( graphtype, x, y, w, m_Graph, m_Cmdinfo );

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::PaintLineArt( int x, int y, int w, int graphtype, int maxmsgbytes ) 

+{

+	VPROF( "CNetGraphPanel::PaintLineArt" );

+

+	ResetLineSegments();

+

+	int lastvalidh = 0;

+

+	byte		color[3];

+	int			ping;

+	byte		alpha;

+	vrect_t		rcFill = {0,0,0,0};

+

+	int			pingheight = m_nNetGraphHeight - LERP_HEIGHT - 2;

+

+	if (net_graphmsecs.GetInt() < 50 )

+	{

+		net_graphmsecs.SetValue( 50 );

+	}

+

+	bool bShowLatency = net_graphshowlatency.GetBool() && graphtype >= 2;

+

+	for (int a=0 ; a<w ; a++)

+	{

+		int i = (m_IncomingSequence-a) & ( TIMINGS - 1 );

+		int h = bShowLatency ? m_PacketLatency[i].latency : 0;

+		

+		packet_latency_t *pl = &m_PacketLatency[ i ];

+		ColorForHeight( pl, color, &ping, &alpha );

+

+		// Skipped

+		if ( !ping ) 

+		{

+			// Re-use the last latency

+			h = lastvalidh;  

+		}

+		else

+		{

+			h = pingheight * (float)h/net_graphmsecs.GetFloat();

+			lastvalidh = h;

+		}

+

+		if ( h > pingheight )

+		{

+			h = pingheight;

+		}

+

+		rcFill.x		= x + w -a -1;

+		rcFill.y		= y - h;

+		rcFill.width	= 1;

+		rcFill.height	= h;

+		if ( ping )

+		{

+			rcFill.height	= pl->choked ? 2 : 1;

+		}

+

+		if ( !ping )

+		{

+			DrawLine2(&rcFill, color, color, alpha, 31 );		

+		}

+		else

+		{

+			DrawLine(&rcFill, color, alpha );		

+		}

+

+		rcFill.y		= y;

+		rcFill.height	= 1;

+

+		color[0] = 0;

+		color[1] = 255;

+		color[2] = 0;

+

+		DrawLine( &rcFill, color, 160 );

+

+		if ( graphtype < 2 )

+			continue;

+

+		// Draw a separator.

+		rcFill.y = y - m_nNetGraphHeight - 1;

+		rcFill.height = 1;

+

+		color[0] = 255;

+		color[1] = 255;

+		color[2] = 255;

+

+		DrawLine(&rcFill, color, 255 );		

+

+		// Move up for begining of data

+		rcFill.y -= 1;

+

+		// Packet didn't have any real data...

+		if ( m_PacketLatency[i].latency > 9995 )

+			continue;

+

+

+		if ( !DrawDataSegment( &rcFill, m_Graph[ i ].msgbytes[INetChannelInfo::LOCALPLAYER], 0, 0, 255 ) )

+			continue;

+

+		if ( !DrawDataSegment( &rcFill, m_Graph[ i ].msgbytes[INetChannelInfo::OTHERPLAYERS], 0, 255, 0 ) )

+			continue;

+

+		if ( !DrawDataSegment( &rcFill, m_Graph[ i ].msgbytes[INetChannelInfo::ENTITIES], 255, 0, 0 ) )

+			continue;

+

+		if ( !DrawDataSegment( &rcFill, m_Graph[ i ].msgbytes[INetChannelInfo::SOUNDS], 255, 255, 0) )

+			continue;

+

+		if ( !DrawDataSegment( &rcFill, m_Graph[ i ].msgbytes[INetChannelInfo::EVENTS], 0, 255, 255 ) )

+			continue;

+		

+		if ( !DrawDataSegment( &rcFill, m_Graph[ i ].msgbytes[INetChannelInfo::USERMESSAGES], 128, 128, 0 ) )

+			continue;

+

+		if ( !DrawDataSegment( &rcFill, m_Graph[ i ].msgbytes[INetChannelInfo::ENTMESSAGES], 0, 128, 128 ) )

+			continue;

+

+		if ( !DrawDataSegment( &rcFill, m_Graph[ i ].msgbytes[INetChannelInfo::STRINGCMD], 128, 0, 0) )

+			continue;

+

+		if ( !DrawDataSegment( &rcFill, m_Graph[ i ].msgbytes[INetChannelInfo::STRINGTABLE], 0, 128, 0) )

+			continue;

+

+		if ( !DrawDataSegment( &rcFill, m_Graph[ i ].msgbytes[INetChannelInfo::VOICE], 0, 0, 128  ) )

+			continue;

+

+		// Final data chunk is total size, don't use solid line routine for this

+		h = m_Graph[i].msgbytes[INetChannelInfo::TOTAL] / net_scale.GetFloat();

+

+		color[ 0 ] = color[ 1 ] = color[ 2 ] = 240;

+

+		rcFill.height = 1;

+		rcFill.y = y - m_nNetGraphHeight - 1 - h;

+

+		if ( rcFill.y < 2 )

+			continue;

+

+		DrawLine(&rcFill, color, 128 );		

+

+		// Cache off height

+		m_Graph[i].sampleY = rcFill.y;

+		m_Graph[i].sampleHeight = rcFill.height;

+	}

+

+	if ( graphtype >= 2 )

+	{

+		// Draw hatches for first one:

+		// on the far right side

+		DrawHatches( x, y - m_nNetGraphHeight - 1, maxmsgbytes );

+		

+		DrawStreamProgress( x, y, w );

+	}

+

+	DrawLineSegments();

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::ResetLineSegments()

+{

+	m_Rects.RemoveAll();

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::DrawLineSegments()

+{

+	int c = m_Rects.Count();

+	if ( c <= 0 )

+		return;

+

+	CMatRenderContextPtr pRenderContext( materials );

+	IMesh* m_pMesh = pRenderContext->GetDynamicMesh( true, NULL, NULL, m_WhiteMaterial );

+	CMeshBuilder		meshBuilder;

+	meshBuilder.Begin( m_pMesh, MATERIAL_LINES, c );

+

+	int i;

+	for ( i = 0 ; i < c; i++ )

+	{

+		CLineSegment *seg = &m_Rects[ i ];

+

+		meshBuilder.Color4ubv( seg->color );

+		meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );

+		meshBuilder.Position3f( seg->x1, seg->y1, 0 );

+		meshBuilder.AdvanceVertex();

+

+		meshBuilder.Color4ubv( seg->color2 );

+		meshBuilder.TexCoord2f( 0, 0.0f, 0.0f );

+		meshBuilder.Position3f( seg->x2, seg->y2, 0 );

+		meshBuilder.AdvanceVertex();

+	}

+

+	meshBuilder.End();

+

+	m_pMesh->Draw();

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Draws a colored, filled rectangle

+// Input  : *rect - 

+//			*color - 

+//			alpha - 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::DrawLine( vrect_t *rect, unsigned char *color, unsigned char alpha )

+{

+	DrawLine2( rect, color, color, alpha, alpha );

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Draws a colored, filled rectangle

+// Input  : *rect - 

+//			*color - 

+//			alpha - 

+//-----------------------------------------------------------------------------

+void CNetGraphPanel::DrawLine2( vrect_t *rect, unsigned char *color, unsigned char *color2, unsigned char alpha, unsigned char alpha2 )

+{

+	VPROF( "CNetGraphPanel::DrawLine2" );

+

+	int idx = m_Rects.AddToTail();

+	CLineSegment *seg = &m_Rects[ idx ];

+

+	seg->color[0] = color[0];

+	seg->color[1] = color[1];

+	seg->color[2] = color[2];

+	seg->color[3] = alpha;

+	seg->color2[0] = color2[0];

+	seg->color2[1] = color2[1];

+	seg->color2[2] = color2[2];

+	seg->color2[3] = alpha2;

+

+	if ( rect->width == 1 )

+	{

+		seg->x1 = rect->x;

+		seg->y1 = rect->y;

+		seg->x2 = rect->x;

+		seg->y2 = rect->y + rect->height;

+	}

+	else if ( rect->height == 1 )

+	{

+		seg->x1 = rect->x;

+		seg->y1 = rect->y;

+		seg->x2 = rect->x + rect->width;

+		seg->y2 = rect->y;

+	}

+	else

+	{

+		Assert( 0 );

+		m_Rects.Remove( idx );

+	}

+}

+

+void CNetGraphPanel::UpdateEstimatedServerFramerate( INetChannelInfo *netchannel )

+{

+	float flFrameTime;

+	netchannel->GetRemoteFramerate( &flFrameTime, &m_flServerFramerateStdDeviation );

+	if ( flFrameTime > FLT_EPSILON )

+	{

+		m_flServerFramerate = 1.0f / flFrameTime;

+	}

+}

+

+class CNetGraphPanelInterface : public INetGraphPanel

+{

+private:

+	CNetGraphPanel *netGraphPanel;

+public:

+	CNetGraphPanelInterface( void )

+	{

+		netGraphPanel = NULL;

+	}

+	void Create( VPANEL parent )

+	{

+		netGraphPanel = new CNetGraphPanel( parent );

+	}

+	void Destroy( void )

+	{

+		if ( netGraphPanel )

+		{

+			netGraphPanel->SetParent( (Panel *)NULL );

+			delete netGraphPanel;

+			netGraphPanel = NULL;

+		}

+	}

+};

+

+static CNetGraphPanelInterface g_NetGraphPanel;

+INetGraphPanel *netgraphpanel = ( INetGraphPanel * )&g_NetGraphPanel;