Custom Avatar Display Script

// ==UserScript==
// @name       Avatar Change
// @namespace  http://use.i.E.your.homepage/
// @version    1.1
// @description  Pokemon Showdown! moderator's best friend
// @include     http://play.pokemonshowdown.com/
// @include     https://play.pokemonshowdown.com/
// @include     http://play.pokemonshowdown.com/*
// @include     https://play.pokemonshowdown.com/*
// @include     http://*.psim.us/
// @include     https://*.psim.us/
// @include     http://*.psim.us/*
// @include     https://*.psim.us/*
// ==/UserScript==

/////////////////////////////////////////
// PS Custom Avi script by sparkychild //
/////////////////////////////////////////

// replace the preset url with whatever you want your avatar to display as for yourself.
// please note only you can see the custom avatar!
var customAvatarUrl = "https://i.imgur.com/YxUyTDB.png";

Tools.resolveAvatar = function (avatar) {
    if (avatar === customAvatarUrl)
        return customAvatarUrl;
    var avatarnum = Number(avatar);
    if (!isNaN(avatarnum)) {
        // default avatars
        return Tools.resourcePrefix + 'sprites/trainers/' + avatarnum + '.png';
    }
    if (avatar.charAt(0) === '#') {
        return Tools.resourcePrefix + 'sprites/trainers/' + toId(avatar.substr(1)) + '.png';
    }
    if (window.Config && Config.server && Config.server.registered) {
        // custom avatar served by the server
        var protocol = (Config.server.port === 443) ? 'https' : 'http';
        return protocol + '://' + Config.server.host + ':' + Config.server.port +
            '/avatars/' + _.map(avatar.split('?', 2), encodeURIComponent).join('?');
    }
    // just pick a random avatar
    var sprites = [1, 2, 101, 102, 169, 170];
    return Tools.resolveAvatar(sprites[Math.floor(Math.random() * sprites.length)]);
};

try {
    function main2() {
        probeInterval2 = setInterval(function () {
            if (unsafeWindow.app && unsafeWindow.app.socket && unsafeWindow.app.socket.onmessage &&
                (unsafeWindow.app.socket.onmessage.toString().indexOf("self.receive") >= 0 || unsafeWindow.app.socket._onmessage)) {
                clearInterval(probeInterval2);
                unsafeWindow.app.socket._onmessage2 = unsafeWindow.app.socket.onmessage;
                unsafeWindow.app.socket.onmessage = function (msg) {
                    try {
                        var data = JSON.parse(msg.data);
                        // console
                        data = filterLogEntry2(data);

                        // init
                        if (data.log)
                            data.log = filterLog2(data.log);

                        // update
                        if (/*data.logUpdate || */data.updates)
                            data.updates = filterLog2(data.updates);

                        msg.data = JSON.stringify(data);
                    } catch (e) {
                        msg.data = filterLog2(msg.data.split("\n")).join("\n");
                    }
                    return this._onmessage2(msg);
                };
            }
        }, 0);
    }
    function filterLog2(log) {
        for (var l = 0; l < log.length; ++l)
            log[l] = filterLogEntry2(log[l]);
        return log;
    }
    function filterLogEntry2(entry) {
        if (typeof entry === "string") {
            if (entry.startsWith('|player|')) {
                var [nothing, nothing2, side, name, avatar] = entry.split('|');
                if (name === unsafeWindow.app.user.attributes.name) avatar = customAvatarUrl;
                return [nothing, nothing2, side, name, avatar].join('|');
            } else if (entry.startsWith("|queryresponse|userdetails|")) {
                var json = JSON.parse(entry.slice(27));
                if (json.userid === unsafeWindow.app.user.attributes.userid)
                    json.avatar = customAvatarUrl;
                return "|queryresponse|userdetails|" + JSON.stringify(json);
            }
        }
        return entry;
    }

    setTimeout(function () {
        main2();
    }, 2000);
} catch (e) {
    console.log(e);
}
// ==/UserScript==