Xash3D FWGS engine.
 
 
 
 

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/*
cl_netgraph.c - Draw Net statistics (borrowed from Xash3D SDL code)
Copyright (C) 2016 Uncle Mike
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#include "common.h"
#include "client.h"
#include "kbutton.h"
#if XASH_LOW_MEMORY == 0
#define NET_TIMINGS 1024
#elif XASH_LOW_MEMORY == 1
#define NET_TIMINGS 256
#elif XASH_LOW_MEMORY == 2
#define NET_TIMINGS 64
#endif
#define NET_TIMINGS_MASK (NET_TIMINGS - 1)
#define LATENCY_AVG_FRAC 0.5f
#define FRAMERATE_AVG_FRAC 0.5f
#define PACKETLOSS_AVG_FRAC 0.5f
#define PACKETCHOKE_AVG_FRAC 0.5f
#define NETGRAPH_LERP_HEIGHT 24
#define NETGRAPH_NET_COLORS 5
#define NUM_LATENCY_SAMPLES 8
convar_t *net_graph;
static convar_t *net_graphpos;
static convar_t *net_graphwidth;
static convar_t *net_graphheight;
static convar_t *net_graphsolid;
static convar_t *net_scale;
static struct packet_latency_t
{
int latency;
int choked;
} netstat_packet_latency[NET_TIMINGS];
static struct cmdinfo_t
{
float cmd_lerp;
int size;
qboolean sent;
} netstat_cmdinfo[NET_TIMINGS];
static byte netcolors[NETGRAPH_NET_COLORS+NETGRAPH_LERP_HEIGHT][4] =
{
{ 255, 0, 0, 255 },
{ 0, 0, 255, 255 },
{ 240, 127, 63, 255 },
{ 255, 255, 0, 255 },
{ 63, 255, 63, 150 }
// other will be generated through NetGraph_InitColors()
};
static byte sendcolor[4] = { 88, 29, 130, 255 };
static byte holdcolor[4] = { 255, 0, 0, 200 };
static byte extrap_base_color[4] = { 255, 255, 255, 255 };
static netbandwidthgraph_t netstat_graph[NET_TIMINGS];
static float packet_loss;
static float packet_choke;
static float framerate = 0.0;
static int maxmsgbytes = 0;
/*
==========
NetGraph_DrawRect
NetGraph_FillRGBA shortcut
==========
*/
static void NetGraph_DrawRect( wrect_t *rect, byte colors[4] )
{
ref.dllFuncs.Color4ub( colors[0], colors[1], colors[2], colors[3] ); // color for this quad
ref.dllFuncs.Vertex3f( rect->left, rect->top, 0 );
ref.dllFuncs.Vertex3f( rect->left + rect->right, rect->top, 0 );
ref.dllFuncs.Vertex3f( rect->left + rect->right, rect->top + rect->bottom, 0 );
ref.dllFuncs.Vertex3f( rect->left, rect->top + rect->bottom, 0 );
}
/*
==========
NetGraph_AtEdge
edge detect
==========
*/
static qboolean NetGraph_AtEdge( int x, int width )
{
if( x > 3 )
{
if( x >= width - 4 )
return true;
return false;
}
return true;
}
/*
==========
NetGraph_InitColors
init netgraph colors
==========
*/
static void NetGraph_InitColors( void )
{
byte mincolor[2][3];
byte maxcolor[2][3];
float dc[2][3];
int i, 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 = NETGRAPH_LERP_HEIGHT / 3;
for( i = 0; i < NETGRAPH_LERP_HEIGHT; i++ )
{
if( i < hfrac )
{
f = (float)i / (float)hfrac;
VectorMA( mincolor[0], f, dc[0], netcolors[NETGRAPH_NET_COLORS + i] );
}
else
{
f = (float)(i - hfrac) / (float)(NETGRAPH_LERP_HEIGHT - hfrac );
VectorMA( mincolor[1], f, dc[1], netcolors[NETGRAPH_NET_COLORS + i] );
}
}
}
/*
==========
NetGraph_GetFrameData
get frame data info, like chokes, packet losses, also update graph, packet and cmdinfo
==========
*/
static void NetGraph_GetFrameData( float *latency, int *latency_count )
{
int i, choke_count = 0, loss_count = 0;
double newtime = Sys_DoubleTime();
static double nexttime = 0;
float loss, choke;
*latency_count = 0;
*latency = 0.0f;
if( newtime >= nexttime )
{
// soft fading of net peak usage
maxmsgbytes = Q_max( 0, maxmsgbytes - 50 );
nexttime = newtime + 0.05;
}
for( i = cls.netchan.incoming_sequence - CL_UPDATE_BACKUP + 1; i <= cls.netchan.incoming_sequence; i++ )
{
frame_t *f = cl.frames + ( i & CL_UPDATE_MASK );
struct packet_latency_t *p = netstat_packet_latency + ( i & NET_TIMINGS_MASK );
netbandwidthgraph_t *g = netstat_graph + ( i & NET_TIMINGS_MASK );
p->choked = f->choked;
if( p->choked ) choke_count++;
if( !f->valid )
{
p->latency = 9998; // broken delta
}
else if( f->receivedtime == -1.0 )
{
p->latency = 9999; // dropped
loss_count++;
}
else if( f->receivedtime == -3.0 )
{
p->latency = 9997; // skipped
}
else
{
int frame_latency = Q_min( 1.0f, f->latency );
p->latency = (( frame_latency + 0.1f ) / 1.1f ) * ( net_graphheight->value - NETGRAPH_LERP_HEIGHT - 2 );
if( i > cls.netchan.incoming_sequence - NUM_LATENCY_SAMPLES )
{
(*latency) += 1000.0f * f->latency;
(*latency_count)++;
}
}
memcpy( g, &f->graphdata, sizeof( netbandwidthgraph_t ));
if( g->msgbytes > maxmsgbytes )
maxmsgbytes = g->msgbytes;
}
if( maxmsgbytes > 1000 )
maxmsgbytes = 1000;
for( i = cls.netchan.outgoing_sequence - CL_UPDATE_BACKUP + 1; i <= cls.netchan.outgoing_sequence; i++ )
{
netstat_cmdinfo[i & NET_TIMINGS_MASK].cmd_lerp = cl.commands[i & CL_UPDATE_MASK].frame_lerp;
netstat_cmdinfo[i & NET_TIMINGS_MASK].sent = cl.commands[i & CL_UPDATE_MASK].heldback ? false : true;
netstat_cmdinfo[i & NET_TIMINGS_MASK].size = cl.commands[i & CL_UPDATE_MASK].sendsize;
}
// packet loss
loss = 100.0f * (float)loss_count / CL_UPDATE_BACKUP;
packet_loss = PACKETLOSS_AVG_FRAC * packet_loss + ( 1.0f - PACKETLOSS_AVG_FRAC ) * loss;
// packet choke
choke = 100.0f * (float)choke_count / CL_UPDATE_BACKUP;
packet_choke = PACKETCHOKE_AVG_FRAC * packet_choke + ( 1.0f - PACKETCHOKE_AVG_FRAC ) * choke;
}
/*
===========
NetGraph_DrawTimes
===========
*/
static void NetGraph_DrawTimes( wrect_t rect, int x, int w )
{
int i, j, extrap_point = NETGRAPH_LERP_HEIGHT / 3, a, h;
rgba_t colors = { 0.9 * 255, 0.9 * 255, 0.7 * 255, 255 };
wrect_t fill;
for( a = 0; a < w; a++ )
{
i = ( cls.netchan.outgoing_sequence - a ) & NET_TIMINGS_MASK;
h = ( netstat_cmdinfo[i].cmd_lerp / 3.0f ) * NETGRAPH_LERP_HEIGHT;
fill.left = x + w - a - 1;
fill.right = fill.bottom = 1;
fill.top = rect.top + rect.bottom - 4;
if( h >= extrap_point )
{
int start = 0;
h -= extrap_point;
fill.top -= extrap_point;
if( !net_graphsolid->value )
{
fill.top -= (h - 1);
start = (h - 1);
}
for( j = start; j < h; j++ )
{
NetGraph_DrawRect( &fill, netcolors[NETGRAPH_NET_COLORS + j + extrap_point] );
fill.top--;
}
}
else
{
int oldh = h;
fill.top -= h;
h = extrap_point - h;
if( !net_graphsolid->value )
h = 1;
for( j = 0; j < h; j++ )
{
NetGraph_DrawRect( &fill, netcolors[NETGRAPH_NET_COLORS + j + oldh] );
fill.top--;
}
}
fill.top = rect.top + rect.bottom - 4 - extrap_point;
if( NetGraph_AtEdge( a, w ))
NetGraph_DrawRect( &fill, extrap_base_color );
fill.top = rect.top + rect.bottom - 4;
if( netstat_cmdinfo[i].sent )
NetGraph_DrawRect( &fill, sendcolor );
else NetGraph_DrawRect( &fill, holdcolor );
}
}
//left = x
//right = width
//top = y
//bottom = height
/*
===========
NetGraph_DrawHatches
===========
*/
static void NetGraph_DrawHatches( int x, int y )
{
int ystep = (int)( 10.0f / net_scale->value );
byte colorminor[4] = { 0, 63, 63, 200 };
byte color[4] = { 0, 200, 0, 255 };
wrect_t hatch = { x, 4, y, 1 };
int starty;
ystep = Q_max( ystep, 1 );
for( starty = hatch.top; hatch.top > 0 && ((starty - hatch.top) * net_scale->value < (maxmsgbytes + 50)); hatch.top -= ystep )
{
if(!((int)((starty - hatch.top) * net_scale->value ) % 50 ))
{
NetGraph_DrawRect( &hatch, color );
}
else if( ystep > 5 )
{
NetGraph_DrawRect( &hatch, colorminor );
}
}
}
/*
===========
NetGraph_DrawTextFields
===========
*/
static void NetGraph_DrawTextFields( int x, int y, int w, wrect_t rect, int count, float avg, int packet_loss, int packet_choke, int graphtype )
{
static int lastout;
rgba_t colors = { 0.9 * 255, 0.9 * 255, 0.7 * 255, 255 };
int ptx = Q_max( x + w - NETGRAPH_LERP_HEIGHT - 1, 1 );
int pty = Q_max( rect.top + rect.bottom - NETGRAPH_LERP_HEIGHT - 3, 1 );
int out, i = ( cls.netchan.outgoing_sequence - 1 ) & NET_TIMINGS_MASK;
int j = cls.netchan.incoming_sequence & NET_TIMINGS_MASK;
int last_y = y - net_graphheight->value;
if( count > 0 )
{
avg = avg / (float)( count - ( host.frametime * FRAMERATE_AVG_FRAC ));
if( cl_updaterate->value > 0.0f )
avg -= 1000.0f / cl_updaterate->value;
// can't be below zero
avg = Q_max( 0.0f, avg );
}
else avg = 0.0;
// move rolling average
framerate = FRAMERATE_AVG_FRAC * host.frametime + ( 1.0f - FRAMERATE_AVG_FRAC ) * framerate;
Con_SetFont( 0 );
if( framerate > 0.0f )
{
y -= net_graphheight->value;
Con_DrawString( x, y, va( "%.1f fps" , 1.0f / framerate ), colors );
if( avg > 1.0f )
Con_DrawString( x + 75, y, va( "%i ms" , (int)avg ), colors );
y += 15;
out = netstat_cmdinfo[i].size;
if( !out ) out = lastout;
else lastout = out;
Con_DrawString( x, y, va( "in : %i %.2f k/s", netstat_graph[j].msgbytes, cls.netchan.flow[FLOW_INCOMING].avgkbytespersec ), colors );
y += 15;
Con_DrawString( x, y, va( "out: %i %.2f k/s", out, cls.netchan.flow[FLOW_OUTGOING].avgkbytespersec ), colors );
y += 15;
if( graphtype > 2 )
{
int loss = (int)(( packet_loss + PACKETLOSS_AVG_FRAC ) - 0.01f );
int choke = (int)(( packet_choke + PACKETCHOKE_AVG_FRAC ) - 0.01f );
Con_DrawString( x, y, va( "loss: %i choke: %i", loss, choke ), colors );
}
}
if( graphtype < 3 )
Con_DrawString( ptx, pty, va( "%i/s", (int)cl_cmdrate->value ), colors );
Con_DrawString( ptx, last_y, va( "%i/s" , (int)cl_updaterate->value ), colors );
Con_RestoreFont();
}
/*
===========
NetGraph_DrawDataSegment
===========
*/
static int NetGraph_DrawDataSegment( wrect_t *fill, int bytes, byte r, byte g, byte b, byte a )
{
float h = bytes / net_scale->value;
byte colors[4] = { r, g, b, a };
fill->top -= (int)h;
if( net_graphsolid->value )
fill->bottom = (int)h;
else fill->bottom = 1;
if( fill->top > 1 )
{
NetGraph_DrawRect( fill, colors );
return 1;
}
return 0;
}
/*
===========
NetGraph_ColorForHeight
color based on packet latency
===========
*/
static void NetGraph_ColorForHeight( struct packet_latency_t *packet, byte color[4], int *ping )
{
switch( packet->latency )
{
case 9999:
memcpy( color, netcolors[0], sizeof( byte ) * 4 ); // dropped
*ping = 0;
break;
case 9998:
memcpy( color, netcolors[1], sizeof( byte ) * 4 ); // invalid
*ping = 0;
break;
case 9997:
memcpy( color, netcolors[2], sizeof( byte ) * 4 ); // skipped
*ping = 0;
break;
default:
*ping = 1;
if( packet->choked )
{
memcpy( color, netcolors[3], sizeof( byte ) * 4 );
}
else
{
memcpy( color, netcolors[4], sizeof( byte ) * 4 );
}
}
}
/*
===========
NetGraph_DrawDataUsage
===========
*/
static void NetGraph_DrawDataUsage( int x, int y, int w, int graphtype )
{
int a, i, h, lastvalidh = 0, ping;
int pingheight = net_graphheight->value - NETGRAPH_LERP_HEIGHT - 2;
wrect_t fill = { 0 };
byte color[4];
for( a = 0; a < w; a++ )
{
i = (cls.netchan.incoming_sequence - a) & NET_TIMINGS_MASK;
h = netstat_packet_latency[i].latency;
NetGraph_ColorForHeight( &netstat_packet_latency[i], color, &ping );
if( !ping ) h = lastvalidh;
else lastvalidh = h;
if( h > pingheight )
h = pingheight;
fill.left = x + w - a - 1;
fill.top = y - h;
fill.right = 1;
fill.bottom = ping ? 1: h;
if( !ping )
{
if( fill.bottom > 3 )
{
fill.bottom = 2;
NetGraph_DrawRect( &fill, color );
fill.top += fill.bottom - 2;
NetGraph_DrawRect( &fill, color );
}
else
{
NetGraph_DrawRect( &fill, color );
}
}
else
{
NetGraph_DrawRect( &fill, color );
}
fill.top = y;
fill.bottom = 1;
color[0] = 0;
color[1] = 255;
color[2] = 0;
color[3] = 160;
if( NetGraph_AtEdge( a, w ))
NetGraph_DrawRect( &fill, color );
if( graphtype < 2 )
continue;
color[0] = color[1] = color[2] = color[3] = 255;
fill.top = y - net_graphheight->value - 1;
fill.bottom = 1;
if( NetGraph_AtEdge( a, w ))
NetGraph_DrawRect( &fill, color );
fill.top -= 1;
if( netstat_packet_latency[i].latency > 9995 )
continue; // skip invalid
if( !NetGraph_DrawDataSegment( &fill, netstat_graph[i].client, 255, 0, 0, 128 ))
continue;
if( !NetGraph_DrawDataSegment( &fill, netstat_graph[i].players, 255, 255, 0, 128 ))
continue;
if( !NetGraph_DrawDataSegment( &fill, netstat_graph[i].entities, 255, 0, 255, 128 ))
continue;
if( !NetGraph_DrawDataSegment( &fill, netstat_graph[i].tentities, 0, 0, 255, 128 ))
continue;
if( !NetGraph_DrawDataSegment( &fill, netstat_graph[i].sound, 0, 255, 0, 128 ))
continue;
if( !NetGraph_DrawDataSegment( &fill, netstat_graph[i].event, 0, 255, 255, 128 ))
continue;
if( !NetGraph_DrawDataSegment( &fill, netstat_graph[i].usr, 200, 200, 200, 128 ))
continue;
if( !NetGraph_DrawDataSegment( &fill, netstat_graph[i].voicebytes, 255, 255, 255, 255 ))
continue;
fill.top = y - net_graphheight->value - 1;
fill.bottom = 1;
fill.top -= 2;
if( !NetGraph_DrawDataSegment( &fill, netstat_graph[i].msgbytes, 240, 240, 240, 128 ))
continue;
}
if( graphtype >= 2 )
NetGraph_DrawHatches( x, y - net_graphheight->value - 1 );
}
/*
===========
NetGraph_GetScreenPos
===========
*/
static void NetGraph_GetScreenPos( wrect_t *rect, int *w, int *x, int *y )
{
rect->left = rect->top = 0;
rect->right = refState.width;
rect->bottom = refState.height;
*w = Q_min( NET_TIMINGS, net_graphwidth->value );
if( rect->right < *w + 10 )
*w = rect->right - 10;
// detect x and y position
switch( (int)net_graphpos->value )
{
case 1: // right sided
*x = rect->left + rect->right - 5 - *w;
break;
case 2: // center
*x = rect->left + ( rect->right - 10 - *w ) / 2;
break;
default: // left sided
*x = rect->left + 5;
break;
}
*y = rect->bottom + rect->top - NETGRAPH_LERP_HEIGHT - 5;
}
/*
===========
SCR_DrawNetGraph
===========
*/
void SCR_DrawNetGraph( void )
{
wrect_t rect;
float avg_ping;
int ping_count;
int w, x, y;
kbutton_t *in_graph;
int graphtype;
if( !host.allow_console )
return;
if( cls.state != ca_active )
return;
in_graph = clgame.dllFuncs.KB_Find( "in_graph" );
if( in_graph->state & 1 )
{
graphtype = 2;
}
else if( net_graph->value != 0.0f )
{
graphtype = (int)net_graph->value;
}
else
{
return;
}
if( net_scale->value <= 0 )
Cvar_SetValue( "net_scale", 0.1f );
NetGraph_GetScreenPos( &rect, &w, &x, &y );
NetGraph_GetFrameData( &avg_ping, &ping_count );
NetGraph_DrawTextFields( x, y, w, rect, ping_count, avg_ping, packet_loss, packet_choke, graphtype );
if( graphtype < 3 )
{
ref.dllFuncs.GL_SetRenderMode( kRenderTransAdd );
ref.dllFuncs.GL_Bind( XASH_TEXTURE0, R_GetBuiltinTexture( REF_WHITE_TEXTURE ) );
ref.dllFuncs.Begin( TRI_QUADS ); // draw all the fills as a long solid sequence of quads for speedup reasons
// NOTE: fill colors without texture at this point
NetGraph_DrawDataUsage( x, y, w, graphtype );
NetGraph_DrawTimes( rect, x, w );
ref.dllFuncs.End();
ref.dllFuncs.Color4ub( 255, 255, 255, 255 );
ref.dllFuncs.GL_SetRenderMode( kRenderNormal );
}
}
void CL_InitNetgraph( void )
{
net_graph = Cvar_Get( "net_graph", "0", FCVAR_ARCHIVE, "draw network usage graph" );
net_graphpos = Cvar_Get( "net_graphpos", "1", FCVAR_ARCHIVE, "network usage graph position" );
net_scale = Cvar_Get( "net_scale", "5", FCVAR_ARCHIVE, "network usage graph scale level" );
net_graphwidth = Cvar_Get( "net_graphwidth", "192", FCVAR_ARCHIVE, "network usage graph width" );
net_graphheight = Cvar_Get( "net_graphheight", "64", FCVAR_ARCHIVE, "network usage graph height" );
net_graphsolid = Cvar_Get( "net_graphsolid", "1", FCVAR_ARCHIVE, "fill segments in network usage graph" );
packet_loss = packet_choke = 0.0;
NetGraph_InitColors();
}