engineinfo.qc File Reference

#include "engineinfo.qh"
#include <client/draw.qh>

Include dependency graph for engineinfo.qc:

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Go to the source code of this file.

Functions
void	HUD_EngineInfo (bool should_draw)
void	HUD_EngineInfo_Export (int fh)

Variables
int	framecounter
float	frametimeavg
float	frametimeavg1
float	frametimeavg2
float	prevfps
float	prevfps_time

Function Documentation

HUD_EngineInfo()

void HUD_EngineInfo

(

bool

should_draw

)

Definition at line 20 of file engineinfo.qc.

{
    if (!should_draw)
        return;
    if (!autocvar__hud_configure && !autocvar_hud_panel_engineinfo)
        return;
 
    HUD_Panel_LoadCvars();
    vector pos = panel_pos;
    vector mySize = panel_size;
 
    if (autocvar_hud_panel_engineinfo_dynamichud)
        HUD_Scale_Enable();
    else
        HUD_Scale_Disable();
    HUD_Panel_DrawBg();
    if (panel_bg_padding)
    {
        pos += '1 1 0' * panel_bg_padding;
        mySize -= '2 2 0' * panel_bg_padding;
    }
 
    float currentTime = gettime(GETTIME_FRAMESTART);
    if (autocvar_hud_panel_engineinfo_fps_movingaverage)
    {
        float currentframetime = currentTime - prevfps_time;
        frametimeavg = (frametimeavg + frametimeavg1 + frametimeavg2 + currentframetime) * 0.25; // average three frametimes into framecounter for slightly more stable fps readings :P
        frametimeavg2 = frametimeavg1;
        frametimeavg1 = frametimeavg;
 
        if (currentframetime > 0.0001) // filter out insane values which sometimes seem to occur and throw off the average? If you are getting 10,000 fps or more, then you don't need a framerate counter.
        {
            if (fabs(prevfps - (1 / frametimeavg)) > prevfps * autocvar_hud_panel_engineinfo_fps_movingaverage_instantupdate_threshold) // if there was a big jump in fps, just force prevfps at current (1 / currentframetime) to make big updates instant
                prevfps = 1 / currentframetime;
            float weight = autocvar_hud_panel_engineinfo_fps_movingaverage_weight;
            prevfps = (1 - weight) * prevfps + weight * (1 / frametimeavg); // framecounter just used so there's no need for a new variable, think of it as "frametime average"
        }
        prevfps_time = currentTime;
    }
    else
    {
        ++framecounter;
        if (currentTime - prevfps_time > autocvar_hud_panel_engineinfo_fps_time)
        {
            prevfps = framecounter / (currentTime - prevfps_time);
            framecounter = 0;
            prevfps_time = currentTime;
        }
    }
 
    vector color = HUD_Get_Num_Color(prevfps, 100, true);
    drawstring_aspect(pos, sprintf(_("FPS: %.*f"), autocvar_hud_panel_engineinfo_fps_decimals, prevfps), mySize, color, panel_fg_alpha, DRAWFLAG_NORMAL);
}

References autocvar__hud_configure, autocvar_hud_panel_engineinfo, autocvar_hud_panel_engineinfo_dynamichud, autocvar_hud_panel_engineinfo_fps_decimals, autocvar_hud_panel_engineinfo_fps_movingaverage, autocvar_hud_panel_engineinfo_fps_movingaverage_instantupdate_threshold, autocvar_hud_panel_engineinfo_fps_movingaverage_weight, autocvar_hud_panel_engineinfo_fps_time, color, DRAWFLAG_NORMAL, drawstring_aspect(), fabs(), framecounter, frametimeavg, frametimeavg1, frametimeavg2, gettime(), GETTIME_FRAMESTART, HUD_Get_Num_Color(), HUD_Panel_DrawBg, HUD_Panel_LoadCvars(), HUD_Scale_Disable(), HUD_Scale_Enable(), panel_bg_padding, panel_fg_alpha, panel_pos, panel_size, prevfps, prevfps_time, and vector.

HUD_EngineInfo_Export()

void HUD_EngineInfo_Export

(

int

fh

)

Definition at line 7 of file engineinfo.qc.

{
    // allow saving cvars that aesthetically change the panel into hud skin files
}

Variable Documentation

framecounter

int framecounter

Definition at line 14 of file engineinfo.qc.

Referenced by HUD_EngineInfo().

frametimeavg

float frametimeavg

Definition at line 16 of file engineinfo.qc.

Referenced by HUD_EngineInfo().

frametimeavg1

float frametimeavg1

Definition at line 17 of file engineinfo.qc.

Referenced by HUD_EngineInfo().

frametimeavg2

float frametimeavg2

Definition at line 18 of file engineinfo.qc.

Referenced by HUD_EngineInfo().

prevfps

float prevfps

Definition at line 12 of file engineinfo.qc.

Referenced by HUD_EngineInfo().

prevfps_time

float prevfps_time

Definition at line 13 of file engineinfo.qc.

Referenced by HUD_EngineInfo().