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683 lines
16 KiB
683 lines
16 KiB
![]()
7 years ago
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/*
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cl_netgraph.c - Draw Net statistics (borrowed from Xash3D SDL code)
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Copyright (C) 2016 Uncle Mike
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#include "common.h"
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#include "client.h"
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#include "gl_local.h"
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#define NET_TIMINGS 1024
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#define NET_TIMINGS_MASK (NET_TIMINGS - 1)
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#define LATENCY_AVG_FRAC 0.5
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#define FRAMERATE_AVG_FRAC 0.5
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#define PACKETLOSS_AVG_FRAC 0.5
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#define PACKETCHOKE_AVG_FRAC 0.5
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#define NETGRAPH_LERP_HEIGHT 24
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#define NETGRAPH_NET_COLORS 5
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#define NUM_LATENCY_SAMPLES 8
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convar_t *net_graph;
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convar_t *net_graphpos;
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convar_t *net_graphwidth;
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convar_t *net_graphheight;
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convar_t *net_graphsolid;
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convar_t *net_scale;
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static struct packet_latency_t
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{
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int latency;
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int choked;
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} netstat_packet_latency[NET_TIMINGS];
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static struct cmdinfo_t
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{
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float cmd_lerp;
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int size;
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qboolean sent;
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} netstat_cmdinfo[NET_TIMINGS];
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static byte netcolors[NETGRAPH_NET_COLORS+NETGRAPH_LERP_HEIGHT][4] =
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{
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{ 255, 0, 0, 255 },
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{ 0, 0, 255, 255 },
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{ 240, 127, 63, 255 },
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{ 255, 255, 0, 255 },
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{ 63, 255, 63, 150 }
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// other will be generated through NetGraph_InitColors()
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};
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static byte sendcolor[4] = { 88, 29, 130, 255 };
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static byte holdcolor[4] = { 255, 0, 0, 200 };
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static byte extrap_base_color[4] = { 255, 255, 255, 255 };
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static netbandwidthgraph_t netstat_graph[NET_TIMINGS];
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static float packet_loss;
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static float packet_choke;
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static float framerate = 0.0;
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static int maxmsgbytes = 0;
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/*
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==========
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NetGraph_DrawRect
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NetGraph_FillRGBA shortcut
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==========
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*/
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static void NetGraph_DrawRect( wrect_t *rect, byte colors[4] )
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{
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pglColor4ubv( colors ); // color for this quad
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pglVertex2f( rect->left, rect->top );
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pglVertex2f( rect->left + rect->right, rect->top );
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pglVertex2f( rect->left + rect->right, rect->top + rect->bottom );
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pglVertex2f( rect->left, rect->top + rect->bottom );
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}
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/*
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==========
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NetGraph_AtEdge
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edge detect
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==========
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*/
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qboolean NetGraph_AtEdge( int x, int width )
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{
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if( x > 3 )
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{
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if( x >= width - 4 )
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return true;
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return false;
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}
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return true;
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}
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/*
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==========
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NetGraph_InitColors
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init netgraph colors
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==========
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*/
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void NetGraph_InitColors( void )
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{
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byte mincolor[2][3];
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byte maxcolor[2][3];
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float dc[2][3];
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int i, hfrac;
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float f;
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mincolor[0][0] = 63;
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mincolor[0][1] = 0;
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mincolor[0][2] = 100;
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maxcolor[0][0] = 0;
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maxcolor[0][1] = 63;
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maxcolor[0][2] = 255;
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mincolor[1][0] = 255;
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mincolor[1][1] = 127;
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mincolor[1][2] = 0;
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maxcolor[1][0] = 250;
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maxcolor[1][1] = 0;
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maxcolor[1][2] = 0;
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for( i = 0; i < 3; i++ )
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{
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dc[0][i] = (float)(maxcolor[0][i] - mincolor[0][i]);
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dc[1][i] = (float)(maxcolor[1][i] - mincolor[1][i]);
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}
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hfrac = NETGRAPH_LERP_HEIGHT / 3;
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for( i = 0; i < NETGRAPH_LERP_HEIGHT; i++ )
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{
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if( i < hfrac )
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{
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f = (float)i / (float)hfrac;
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VectorMA( mincolor[0], f, dc[0], netcolors[NETGRAPH_NET_COLORS + i] );
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}
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else
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{
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f = (float)(i - hfrac) / (float)(NETGRAPH_LERP_HEIGHT - hfrac );
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VectorMA( mincolor[1], f, dc[1], netcolors[NETGRAPH_NET_COLORS + i] );
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}
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}
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}
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/*
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==========
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NetGraph_GetFrameData
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get frame data info, like chokes, packet losses, also update graph, packet and cmdinfo
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==========
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*/
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void NetGraph_GetFrameData( float *latency, int *latency_count )
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{
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int i, choke_count = 0, loss_count = 0;
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double newtime = Sys_DoubleTime();
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static double nexttime = 0;
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float loss, choke;
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*latency_count = 0;
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*latency = 0.0f;
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if( newtime >= nexttime )
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{
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// soft fading of net peak usage
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maxmsgbytes = Q_max( 0, maxmsgbytes - 50 );
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nexttime = newtime + 0.05;
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}
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for( i = cls.netchan.incoming_sequence - CL_UPDATE_BACKUP + 1; i <= cls.netchan.incoming_sequence; i++ )
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{
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frame_t *f = cl.frames + ( i & CL_UPDATE_MASK );
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struct packet_latency_t *p = netstat_packet_latency + ( i & NET_TIMINGS_MASK );
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netbandwidthgraph_t *g = netstat_graph + ( i & NET_TIMINGS_MASK );
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p->choked = f->choked;
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if( p->choked ) choke_count++;
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if( !f->valid )
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{
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p->latency = 9998; // broken delta
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}
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else if( f->receivedtime == -1.0 )
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{
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p->latency = 9999; // dropped
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loss_count++;
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}
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else if( f->receivedtime == -3.0 )
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{
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p->latency = 9997; // skipped
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}
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else
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{
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int frame_latency = Q_min( 1.0f, f->latency );
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p->latency = (( frame_latency + 0.1 ) / 1.1 ) * ( net_graphheight->value - NETGRAPH_LERP_HEIGHT - 2 );
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if( i > cls.netchan.incoming_sequence - NUM_LATENCY_SAMPLES )
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{
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(*latency) += 1000.0f * f->latency;
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(*latency_count)++;
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}
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}
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memcpy( g, &f->graphdata, sizeof( netbandwidthgraph_t ));
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if( g->msgbytes > maxmsgbytes )
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maxmsgbytes = g->msgbytes;
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}
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if( maxmsgbytes > 1000 )
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maxmsgbytes = 1000;
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for( i = cls.netchan.outgoing_sequence - CL_UPDATE_BACKUP + 1; i <= cls.netchan.outgoing_sequence; i++ )
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{
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netstat_cmdinfo[i & NET_TIMINGS_MASK].cmd_lerp = cl.commands[i & CL_UPDATE_MASK].frame_lerp;
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netstat_cmdinfo[i & NET_TIMINGS_MASK].sent = cl.commands[i & CL_UPDATE_MASK].heldback ? false : true;
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netstat_cmdinfo[i & NET_TIMINGS_MASK].size = cl.commands[i & CL_UPDATE_MASK].sendsize;
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}
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// packet loss
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loss = 100.0 * (float)loss_count / CL_UPDATE_BACKUP;
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packet_loss = PACKETLOSS_AVG_FRAC * packet_loss + ( 1.0 - PACKETLOSS_AVG_FRAC ) * loss;
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// packet choke
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choke = 100.0 * (float)choke_count / CL_UPDATE_BACKUP;
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packet_choke = PACKETCHOKE_AVG_FRAC * packet_choke + ( 1.0 - PACKETCHOKE_AVG_FRAC ) * choke;
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}
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/*
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===========
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NetGraph_DrawTimes
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===========
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*/
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void NetGraph_DrawTimes( wrect_t rect, int x, int w )
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{
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int i, j, extrap_point = NETGRAPH_LERP_HEIGHT / 3, a, h;
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rgba_t colors = { 0.9 * 255, 0.9 * 255, 0.7 * 255, 255 };
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wrect_t fill;
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for( a = 0; a < w; a++ )
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{
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i = ( cls.netchan.outgoing_sequence - a ) & NET_TIMINGS_MASK;
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h = ( netstat_cmdinfo[i].cmd_lerp / 3.0f ) * NETGRAPH_LERP_HEIGHT;
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fill.left = x + w - a - 1;
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fill.right = fill.bottom = 1;
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fill.top = rect.top + rect.bottom - 4;
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if( h >= extrap_point )
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{
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int start = 0;
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h -= extrap_point;
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fill.top -= extrap_point;
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if( !net_graphsolid->value )
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{
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fill.top -= (h - 1);
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start = (h - 1);
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}
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for( j = start; j < h; j++ )
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{
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NetGraph_DrawRect( &fill, netcolors[NETGRAPH_NET_COLORS + j + extrap_point] );
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fill.top--;
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}
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}
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else
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{
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int oldh = h;
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fill.top -= h;
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h = extrap_point - h;
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if( !net_graphsolid->value )
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h = 1;
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for( j = 0; j < h; j++ )
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{
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NetGraph_DrawRect( &fill, netcolors[NETGRAPH_NET_COLORS + j + oldh] );
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fill.top--;
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}
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}
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fill.top = rect.top + rect.bottom - 4 - extrap_point;
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if( NetGraph_AtEdge( a, w ))
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NetGraph_DrawRect( &fill, extrap_base_color );
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fill.top = rect.top + rect.bottom - 4;
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if( netstat_cmdinfo[i].sent )
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NetGraph_DrawRect( &fill, sendcolor );
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else NetGraph_DrawRect( &fill, holdcolor );
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}
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}
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//left = x
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//right = width
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//top = y
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//bottom = height
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/*
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===========
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NetGraph_DrawHatches
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===========
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*/
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void NetGraph_DrawHatches( int x, int y )
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{
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int ystep = (int)( 10.0f / net_scale->value );
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byte colorminor[4] = { 0, 63, 63, 200 };
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byte color[4] = { 0, 200, 0, 255 };
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wrect_t hatch = { x, 4, y, 1 };
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int starty;
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ystep = Q_max( ystep, 1 );
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for( starty = hatch.top; hatch.top > 0 && ((starty - hatch.top) * net_scale->value < (maxmsgbytes + 50)); hatch.top -= ystep )
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{
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if(!((int)((starty - hatch.top) * net_scale->value ) % 50 ))
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{
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NetGraph_DrawRect( &hatch, color );
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}
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else if( ystep > 5 )
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{
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NetGraph_DrawRect( &hatch, colorminor );
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}
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}
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}
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/*
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===========
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NetGraph_DrawTextFields
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===========
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*/
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void NetGraph_DrawTextFields( int x, int y, int w, wrect_t rect, int count, float avg, int packet_loss, int packet_choke )
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{
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static int lastout;
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rgba_t colors = { 0.9 * 255, 0.9 * 255, 0.7 * 255, 255 };
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int ptx = Q_max( x + w - NETGRAPH_LERP_HEIGHT - 1, 1 );
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int pty = Q_max( rect.top + rect.bottom - NETGRAPH_LERP_HEIGHT - 3, 1 );
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int out, i = ( cls.netchan.outgoing_sequence - 1 ) & NET_TIMINGS_MASK;
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int j = cls.netchan.incoming_sequence & NET_TIMINGS_MASK;
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int last_y = y - net_graphheight->value;
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if( count > 0 )
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{
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avg = avg / (float)( count - ( host.frametime * FRAMERATE_AVG_FRAC ));
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if( cl_updaterate->value > 0.0f )
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avg -= 1000.0f / cl_updaterate->value;
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// can't be below zero
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avg = Q_max( 0.0, avg );
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}
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else avg = 0.0;
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// move rolling average
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framerate = FRAMERATE_AVG_FRAC * host.frametime + ( 1.0 - FRAMERATE_AVG_FRAC ) * framerate;
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Con_SetFont( 0 );
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if( framerate > 0.0f )
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{
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y -= net_graphheight->value;
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Con_DrawString( x, y, va( "%.1f fps" , 1.0f / framerate ), colors );
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if( avg > 1.0f )
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Con_DrawString( x + 75, y, va( "%i ms" , (int)avg ), colors );
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y += 15;
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out = netstat_cmdinfo[i].size;
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if( !out ) out = lastout;
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else lastout = out;
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Con_DrawString( x, y, va( "in : %i %.2f k/s", netstat_graph[j].msgbytes, cls.netchan.flow[FLOW_INCOMING].avgkbytespersec ), colors );
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y += 15;
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Con_DrawString( x, y, va( "out: %i %.2f k/s", out, cls.netchan.flow[FLOW_OUTGOING].avgkbytespersec ), colors );
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y += 15;
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if( net_graph->value > 2 )
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{
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int loss = (int)(( packet_loss + PACKETLOSS_AVG_FRAC ) - 0.01 );
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int choke = (int)(( packet_choke + PACKETCHOKE_AVG_FRAC ) - 0.01 );
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Con_DrawString( x, y, va( "loss: %i choke: %i", loss, choke ), colors );
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}
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}
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if( net_graph->value < 3 )
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Con_DrawString( ptx, pty, va( "%i/s", (int)cl_cmdrate->value ), colors );
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Con_DrawString( ptx, last_y, va( "%i/s" , (int)cl_updaterate->value ), colors );
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Con_RestoreFont();
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}
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/*
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===========
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NetGraph_DrawDataSegment
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===========
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*/
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int NetGraph_DrawDataSegment( wrect_t *fill, int bytes, byte r, byte g, byte b, byte a )
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||
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{
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float h = bytes / net_scale->value;
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byte colors[4] = { r, g, b, a };
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fill->top -= (int)h;
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if( net_graphsolid->value )
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fill->bottom = (int)h;
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else fill->bottom = 1;
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if( fill->top > 1 )
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||
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{
|
||
|
NetGraph_DrawRect( fill, colors );
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
===========
|
||
|
NetGraph_ColorForHeight
|
||
|
|
||
|
color based on packet latency
|
||
|
===========
|
||
|
*/
|
||
|
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
|
||
|
|
||
|
===========
|
||
|
*/
|
||
|
void NetGraph_DrawDataUsage( int x, int y, int w )
|
||
|
{
|
||
|
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( net_graph->value < 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( net_graph->value >= 2 )
|
||
|
NetGraph_DrawHatches( x, y - net_graphheight->value - 1 );
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
===========
|
||
|
NetGraph_GetScreenPos
|
||
|
|
||
|
===========
|
||
|
*/
|
||
|
void NetGraph_GetScreenPos( wrect_t *rect, int *w, int *x, int *y )
|
||
|
{
|
||
|
rect->left = rect->top = 0;
|
||
|
rect->right = glState.width;
|
||
|
rect->bottom = glState.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;
|
||
|
|
||
|
if( !host.allow_console )
|
||
|
return;
|
||
|
|
||
|
if( cls.state != ca_active )
|
||
|
return;
|
||
|
|
||
|
if( !net_graph->value )
|
||
|
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 );
|
||
|
|
||
|
if( net_graph->value < 3 )
|
||
|
{
|
||
|
pglEnable( GL_BLEND );
|
||
|
pglDisable( GL_TEXTURE_2D );
|
||
|
pglTexEnvf( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
|
||
|
pglBlendFunc( GL_SRC_ALPHA, GL_ONE );
|
||
|
pglBegin( GL_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 );
|
||
|
NetGraph_DrawTimes( rect, x, w );
|
||
|
|
||
|
pglEnd();
|
||
|
pglColor4ub( 255, 255, 255, 255 );
|
||
|
pglEnable( GL_TEXTURE_2D );
|
||
|
pglDisable( GL_BLEND );
|
||
|
}
|
||
|
}
|
||
|
|
||
|
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();
|
||
|
}
|