TagPro AFK warning

tagpro-afk-warning.user.js

// ==UserScript==
// @name         TagPro AFK warning
// @namespace    http://www.arfie.nl
// @version      0.1
// @author       Ruud Verbeek
// @include      http://tagpro-*.koalabeast.com:*
// @include 	 http://tangent.jukejuice.com:*
// NewCompte's servers don't have an AFK timeout
// ==/UserScript==

var a = function() {
    var keys = ['left', 'right', 'up', 'down', 'space'],
        afkTime = 30,
        showWarning = 10; // Seconds before kick to show the warning
    
    var afkWarning = new PIXI.Text("Warning: you'll get kicked for being AFK too long soon.\nPress space to prevent.");
    afkWarning.style.fill = "red";
    afkWarning.style.strokeThickness = 4;
    afkWarning.style.align = "center";
    afkWarning.style.font = "bold 12pt Arial";
    
    afkWarning.alpha = 0;
    
    tagpro.renderer.layers.ui.addChild(afkWarning);
    
    var timeout = -1,
        warning = function() {
            afkWarning.x = (tagpro.renderer.vpWidth - afkWarning.width) / 2;
            afkWarning.y = tagpro.renderer.vpHeight / 8;
            afkWarning.alpha = 1;
            afkWarning.updateText();
        },
        update = function(time) {
            afkWarning.alpha = 0;
            timeout >= 0 && clearTimeout(timeout);
            timeout = setTimeout(warning, 1e3 * time);
        };
    
    var key = function(e) {
        var kc = e.keyCode;
        for(var k of keys)
            if(k.indexOf(kc) >= 0)
                return;
        update(afkTime - showWarning);
    };
    
    $(document).keydown(key);
    $(document).keyup(key);
},b=function(){tagpro?tagpro.ready(a):setTimeout(b,0);};b();