Find empty Roblox servers at the click of a button.
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// ==UserScript==
// @name RoSearcher
// @namespace http://tampermonkey.net/
// @version 0.4
// @description Find empty Roblox servers at the click of a button.
// @author https://github.com/NotDSF
// @match https://www.roblox.com/games/*
// @icon https://www.google.com/s2/favicons?domain=tampermonkey.net
// @grant none
// ==/UserScript==
(function() {
'use strict';
let Cookie = document.cookie.match(/rosearch=(?<json>{.*?});/);
let Options = Cookie?.groups.json ? JSON.parse(Cookie?.groups.json) : {};
let Version = "0.4";
let GameID = document.URL.match(/games\/(\d+)\//)[1];
let GameOptions = Options[GameID] || {};
function GetServers(Index) {
return new Promise((resolve, reject) => {
fetch(`https://www.roblox.com/games/getgameinstancesjson?placeId=${GameID}&startIndex=${Index}&_=1`, {
method: "GET",
})
.then(res => res.text())
.then(json => resolve(JSON.parse(json)))
.catch(er => reject(er));
});
}
function SaveOptions() {
let Status = document.getElementById("server-status");
let MaxPing = document.getElementById("ping-box").value;
let Iterator = document.getElementById("iterator-box").value;
let MaxPlayers = document.getElementById("player-box").value;
let CookieData = {};
if (MaxPing.length) CookieData.MaxPing = MaxPing;
if (Iterator.length) CookieData.Iterator = Iterator;
if (MaxPlayers.length) CookieData.MaxPlayers = MaxPlayers;
let StatusBackup = Status.innerHTML;
Options[GameID] = CookieData;
Status.innerHTML = "Saved options!";
document.cookie = `rosearch=${JSON.stringify(Options)}; path=/games; expires=Fri, 31 Dec 9999 23:59:59 GMT;`;
setTimeout(() => Status.innerHTML = StatusBackup, 2000);
}
fetch("https://raw.githubusercontent.com/NotDSF/RoSearcher/main/script-version")
.then(res => res.text())
.then(body => {
if (body.trim() !== Version) {
if (confirm("A new version of RoSearch is available, would you like to download it?")) {
document.location.href = "https://greasyfork.org/en/scripts/430402-rosearcher";
}
}
})
.catch(er => {
alert("RoSearcher Error: " + er.toString());
throw er;
});
async function main() {
if (!confirm("Are you sure you want to find an empty server?")) return;
let Status = document.getElementById("server-status");
let MaxPingB = document.getElementById("ping-box");
let IteratorB = document.getElementById("iterator-box");
let MaxPlayersB = document.getElementById("player-box");
let MaxPing = MaxPingB.value.length ? parseInt(MaxPingB.value) : 300;
let Iterator = IteratorB.value.length ? parseInt(IteratorB.value) : 30;
let MaxPlayers = MaxPlayersB.value.length ? parseInt(MaxPlayersB.value) : 4;
let Index = 0;
let LowestServer;
Status.innerHTML = "Looking for servers...";
while (true) {
if (LowestServer && LowestServer.Len <= MaxPlayers && LowestServer.Ping <= MaxPing) {
Status.innerHTML = `Found server! Players: ${LowestServer.Len} Ping: ${LowestServer.Ping} Index: ${Index}. Joining...`;
eval(LowestServer.JoinScript);
break;
}
let Servers = await GetServers(Index)
.catch(er => {
throw er;
});
if (!Servers.Collection.length) {
if (LowestServer && Iterator === 10) {
if (LowestServer.Len > MaxPlayers) alert(`We couldn't find a server with ${MaxPlayers} players or below! (Try editing your options)`);
if (LowestServer.Ping > MaxPing) alert(`We couldn't find a server with ${MaxPing} ping or below! (Try editing your options)`);
Status.innerHTML = `Found server! Players: ${LowestServer.Len} Ping: ${LowestServer.Ping} Index: ${Index}. Joining...`;
eval(LowestServer.JoinScript);
break;
}
if (LowestServer) {
Iterator = 10;
Index -= (Index > (Iterator * 2)) ? (Iterator * 2) : Iterator; // Just incase
continue;
}
alert("Sorry we couldn't find a server!");
Status.innerHTML = "";
break;
}
for (let Server of Servers.Collection) {
let PlayerLen = Server.CurrentPlayers.length;
if (!LowestServer) {
LowestServer = { Len: PlayerLen, Ping: Server.Ping, JoinLink: Server.JoinScript }
continue;
}
if (PlayerLen < LowestServer.Len) {
LowestServer = { Len: PlayerLen, Ping: Server.Ping, JoinScript: Server.JoinScript }
}
}
Index += Iterator;
Status.innerHTML = `Index: ${Index}, Lowest Server: ${LowestServer.Len}, Ping: ${LowestServer.Ping}...`;
}
}
let GameInstances = document.getElementById("game-instances");
let ParentDiv = document.createElement("div");
let ContainerHead = document.createElement("div");
ParentDiv.className = "stack";
GameInstances.prepend(ParentDiv);
// container header
let Title = document.createElement("h3");
Title.innerHTML = "RoSearch";
ContainerHead.className = "container-header";
ContainerHead.prepend(Title);
// container children
let pingbox = document.createElement("textarea");
pingbox.className = "dialog-input ng-valid ng-isolate-scope ng-touched ng-not-empty ng-dirty ng-valid-parse";
pingbox.rows = 1;
pingbox.style = "overflow: hidden; overflow-wrap: break-word; resize: none; height: 30px; margin-bottom: 5px; display: inherit; border-radius: 3px; width: 330px;";
pingbox.placeholder = "Max Ping (Leave Blank For Default)";
pingbox.innerHTML = GameOptions.MaxPing || "";
pingbox.id = "ping-box";
let maxPlayer = document.createElement("textarea");
maxPlayer.className = "dialog-input ng-valid ng-isolate-scope ng-touched ng-not-empty ng-dirty ng-valid-parse";
maxPlayer.rows = 1;
maxPlayer.style = "overflow: hidden; overflow-wrap: break-word; resize: none; height: 30px; margin-bottom: 5px; display: inherit; border-radius: 3px; width: 330px;";
maxPlayer.placeholder = "Max Players (Leave Blank For Default)";
maxPlayer.innerHTML = GameOptions.MaxPlayers || "";
maxPlayer.id = "player-box";
let Iterator = document.createElement("textarea");
Iterator.className = "dialog-input ng-valid ng-isolate-scope ng-touched ng-not-empty ng-dirty ng-valid-parse";
Iterator.rows = 1;
Iterator.style = "overflow: hidden; overflow-wrap: break-word; resize: none; height: 30px; margin-bottom: 5px; display: inherit; border-radius: 3px; width: 330px;";
Iterator.placeholder = "Iterator (Leave Blank For Default)";
Iterator.innerHTML = GameOptions.Iterator || "";
Iterator.id = "iterator-box";
let fakeButton = document.createElement("span");
fakeButton.className = "btn-secondary-md btn-more";
fakeButton.innerHTML = "Find Empty Server";
fakeButton.onclick = main;
fakeButton.style = "display: inherit; width: min-content; margin-bottom: 20px;";
let fakeButton2 = document.createElement("span");
fakeButton2.className = "btn-secondary-md btn-more";
fakeButton2.innerHTML = "Save Options";
fakeButton2.onclick = SaveOptions;
fakeButton2.style = "display: inherit; width: min-content; margin-bottom: 5px;";
let status = document.createElement("span");
status.className = "section-content-off";
status.id = "server-status";
status.style = "display: inherit;";
ParentDiv.prepend(ContainerHead, maxPlayer, pingbox, Iterator, fakeButton2, fakeButton, status);
})();