133 lines
3.1 KiB
C
133 lines
3.1 KiB
C
/*
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cl_ngraph.c
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client network diagnostic graph
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (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.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include "QF/cvar.h"
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#include "QF/draw.h"
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#include "QF/render.h"
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#include "QF/screen.h"
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#include "QF/va.h"
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#include "QF/ui/view.h"
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#include "compat.h"
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#include "qw/include/cl_parse.h"
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#include "qw/include/client.h"
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#include "sbar.h"
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cvar_t *cl_netgraph;
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cvar_t *cl_netgraph_alpha;
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cvar_t *cl_netgraph_box;
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cvar_t *cl_netgraph_height;
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view_t *cl_netgraph_view;
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static void
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cl_netgraph_f (cvar_t *var)
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{
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if (cl_netgraph_view) {
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cl_netgraph_view->visible = var->int_val != 0;
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}
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}
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static void
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cl_netgraph_height_f (cvar_t *var)
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{
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if (var->int_val < 32) {
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Cvar_Set (var, "32");
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}
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if (cl_netgraph_view) {
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view_resize (cl_netgraph_view, cl_netgraph_view->xlen,
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var->int_val + 25);
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}
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}
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void
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CL_NetGraph (view_t *view)
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{
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int lost, a, l, x, y, i, o;
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int timings[NET_TIMINGS];
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x = view->xabs;
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y = view->yabs;
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if (cl_netgraph_box->int_val) {
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r_funcs->Draw_TextBox (x, y, NET_TIMINGS / 8,
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cl_netgraph_height->int_val / 8 + 1,
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cl_netgraph_alpha->value * 255);
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}
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lost = CL_CalcNet ();
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x = view->xabs + 8;
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y = view->yabs + view->ylen - 9;
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l = NET_TIMINGS;
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if (l > view->xlen - 8)
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l = view->xlen - 8;
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i = cls.netchan.outgoing_sequence & NET_TIMINGSMASK;
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a = i - l;
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o = 0;
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if (a < 0) {
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memcpy (timings + o, packet_latency + a + NET_TIMINGS,
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-a * sizeof (timings[0]));
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o -= a;
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l += a;
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a = 0;
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}
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memcpy (timings + o, packet_latency + a, l * sizeof (timings[0]));
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r_funcs->R_LineGraph (x, y, timings,
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NET_TIMINGS, cl_netgraph_height->int_val);
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x = view->xabs + 8;
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y = view->yabs + 8;
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r_funcs->Draw_String (x, y, va (0, "%3i%% packet loss", lost));
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}
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void
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CL_NetGraph_Init_Cvars (void)
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{
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cl_netgraph = Cvar_Get ("cl_netgraph", "0", CVAR_NONE, cl_netgraph_f,
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"Toggle the display of a graph showing network "
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"performance");
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cl_netgraph_alpha = Cvar_Get ("cl_netgraph_alpha", "0.5", CVAR_ARCHIVE, 0,
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"Net graph translucency");
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cl_netgraph_box = Cvar_Get ("cl_netgraph_box", "1", CVAR_ARCHIVE, 0,
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" Draw box around net graph");
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cl_netgraph_height = Cvar_Get ("cl_netgraph_height", "32", CVAR_ARCHIVE,
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cl_netgraph_height_f,
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"Set the fullscale (1s) height of the "
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"graph");
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}
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