Slither.io Server Picker

Pings available servers and lets you pick the one you want. This is a good plugin for playing with friends.

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==UserScript==
// @name         Slither.io Server Picker
// @namespace    http://tampermonkey.net/
// @version      0.1.11
// @description  Pings available servers and lets you pick the one you want. This is a good plugin for playing with friends.
// @author       SystemDisc
// @match        http://slither.io/
// @grant        none
// @run-at       document-start
// @require      https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js
// ==/UserScript==

(function() {
	'use strict';

	let serverData = $.ajax({
		type: 'GET',
		url: 'http://slither.io/i33628.txt',
		async: false
	}).responseText;

	let currentZoom = 0.9;

	$(function() {
		let css = `
			iframe[src="/social-box/"] {
				display: none !important;
			}
			#HUD, #sidebar {
				position: fixed;
				top: 0;
				left: 0;
				z-index: 20;
				padding: 15px;
				background-color: rgba(0,0,0,0.5);
				color: #fff;
			}
			#sidebar {
				height: 100vh;
				overflow: auto;
			}
			#connectForm {
				margin-bottom: 15px;
			}
			#serverList > .server-listing {
				margin-bottom: 5px;
				cursor: pointer;
			}
			#serverList > .server-listing > .server-name, #serverList > .server-listing > .server-ping {
				display: inline-block;
			}
			#serverList > .server-listing > .server-ping {
				margin-left: 10px;
				color: green;
			}
			#serverList > .server-listing > .server-ping.bad {
				color: red;
			}
		`;
		let styleSheet = $('<style type="text/css">');
		styleSheet.html(css);

		let HUD = $('<div id="HUD">');
		let server = $('<div class="server">');
		let coordinates = $('<div class="coordinates">');
		let section = $('<div class="section">');
		HUD.append(server);
		HUD.append(coordinates);
		HUD.append(section);

		let sidebar = $('<div id="sidebar">');

		let connectForm = $('<div id="connectForm">');
		let serverInput = $('<input class="server-input" type="test" name="serverHostname" placeholder="ip:port">');
		let serverConnect = $('<button class="connect-button" type="button">Connect</button>');
		connectForm.append(serverInput);
		connectForm.append(serverConnect);

		let serverList = $('<div id="serverList">');

		sidebar.append(connectForm);
		sidebar.append(serverList);
		$('body').append(HUD);
		$('body').append(sidebar);
		$('head').append(styleSheet);

		$('#HUD').hide();

		$(document).on('click', '#connectForm > .connect-button', function(e) {
			selectServer($('.server-input').val());
		});

		$(document).on('click', '#serverList > .server-listing', function(e) {
			selectServer($(e.currentTarget).find('.server-name').text());
		});

		let start = true;
		setInterval(function() {
			if (!window.playing) {
				$('#sidebar').show();
				$('#HUD').hide();
				if (!$('#nick').hasClass('loaded')) {
					$('#nick').val(localStorage.getItem('savedNick'));
					$('#nick').addClass('loaded');
				}
				if (start) {
					loadServers();
					start = false;
				}
			}
			else {
				$('#sidebar').hide();
				$('#HUD').show();
				start = true;
			}
			window.want_quality = 1;
			window.render_mode = 1;
			window.high_quality = true;
			window.gla = false;
			window.ggbg = false;
			if (window.gbgi) {
				window.gbgi.src = '';
				window.gbgi.onload = null;
				window.gbgi = null;
				if (window.gbgmc) {
					window.gbgmc = null;
				}
			}

			window.gsc = currentZoom;

			if (window.snake) {
				$('#HUD').find('.server').text('Server: ' + window.bso.ip + ':' + window.bso.po);
				$('#HUD').find('.coordinates').text('Coordinates: ' + Math.round(window.snake.xx / 100) + ', ' + Math.round(window.snake.yy / 100));
				$('#HUD').find('.section').text('Section: ' + Math.round((window.snake.xx - 22000) / 1000) + ', ' + Math.round((window.snake.yy - 22000)/1000));
				localStorage.setItem('savedNick', snake.nk);
			}

			if (window.bso && window.bso.ip) {
				document.title = 'slither.io - ' + window.bso.ip + ':' + window.bso.po;
			}
			else {
				document.title = 'slither.io - disconnected'
			}
		}, 15);

		$(document).bind('DOMMouseScroll mousewheel', zoom);

		$(window).keydown(function(e) {
			console.log('keydown: ' + e.keyCode);

			if (e.keyCode === 27) {
				quit();
			}

			if (e.keyCode === 90) {
				currentZoom = 0.9;
			}
		});
	});

	function loadServers() {
		let serverList = $('#serverList');
		serverList.children().remove();
		let servers = loadSos(serverData);
		let savedServers = window.localStorage.getItem('servers');
		if (!savedServers) {
			savedServers = {};
		}
		else {
			savedServers = JSON.parse(savedServers);
		}
		for (let servername in savedServers) {
			let ip;
			let port;
			[ip, port] = servername.split(':');
			servers.push({ip: ip, po: port});
		}
		let promises = [];
		servers.forEach(function(server) {
			let serverElem = $('[id="' + server.ip + '"]');
			let serverNameElem;
			let serverPingElem;
			if (serverElem.length === 0) {
				serverElem = $('<div id="' + server.ip + '" class="server-listing">');
				serverNameElem = $('<div class="server-name">');
				serverPingElem = $('<div class="server-ping">');
				serverNameElem.text(server.ip + ':' + server.po);
				serverElem.append(serverNameElem);
				serverElem.append(serverPingElem);
				serverList.append(serverElem);
			}
			else {
				serverNameElem = serverElem.find('.server-name');
				serverPingElem = serverElem.find('.server-ping');
			}
			let promise = pingServer(server.ip).then(function(ping) {
				if (savedServers[server.ip + ':' + server.po]) {
					ping = Math.round((savedServers[server.ip + ':' + server.po] + ping) / 2);
				}
				let pingElem = $('[id="' + server.ip + '"]').find('.server-ping');
				pingElem.text(ping);
				if (ping > 75) {
					pingElem.addClass('bad');
				}
				else {
					savedServers[server.ip + ':' + server.po] = ping;
					pingElem.removeClass('bad');
				}
				let serverList = $('#serverList');
				let serverElems = serverList.children();
				serverElems.sort(function(a, b) {
					let an = +$(a).find('.server-ping').text();
					let bn = +$(b).find('.server-ping').text();
					if (an === 0) {
						an = 1000;
					}
					if (bn === 0) {
						bn = 1000;
					}
					return an > bn? 1:(an < bn? -1:0);
				});
				serverElems.detach().appendTo(serverList);
				if (!window.bso || !window.bso.ip) {
					$('.server-input').val(serverElems.first().find('.server-name').text());
				}
			}).catch(function(err) {
				$('[id="' + server.ip + '"]').remove();
				delete savedServers[server.ip + ':' + server.po];
				return false;
			});
			promises.push(promise);
		});

		Promise.all(promises).then(function() {
			localStorage.setItem('servers', JSON.stringify(savedServers));
			selectServer($('.server-input').val());
		});
	}

	function quit() {
		if (window.playing && window.resetGame) {
			window.want_close_socket = true;
			window.dead_mtm = 0;
			if (window.play_btn) {
				window.play_btn.setEnabled(true);
			}
			window.resetGame();
		}
	}

	function zoom(e) {
		console.log(window.gsc);
		if (!window.gsc) {
			return;
		}
		currentZoom *= Math.pow(0.9, e.originalEvent.wheelDelta / -120 || e.originalEvent.detail / 2 || 0);
	}

	function selectServer(servername) {
		let ip;
		let port;
		[ip, port] = servername.split(':');
		console.log(ip, +port);
		window.forceServer(ip, +port);
		let serverElem = $('[id="' + ip + '"]');
		serverElem.addClass('selected');
		serverElem.siblings().removeClass('selected');
		$('.server-input').val(servername);
	}


	function loadSos(chars) {
		/** @type {Array} */
		sos = [];
		/** @type {Array} */
		clus = [];
		chars.charAt(0);
		/** @type {number} */
		var i = 1;
		var d = {};
		/** @type {number} */
		var index = 0;
		/** @type {number} */
		d = index = 0;
		var c;
		/** @type {number} */
		var data = 0;
		/** @type {number} */
		var handle = 0;
		/** @type {Array} */
		var split = [];
		/** @type {Array} */
		var m = [];
		/** @type {Array} */
		var messages = [];
		/** @type {Array} */
		var received = [];
		for (;i < chars.length;) {
			if (c = (chars.charCodeAt(i++) - 97 - handle) % 26, 0 > c && (c += 26), data *= 16, data += c, handle += 7, 1 == d) {
				if (0 == index) {
					split.push(data);
					if (4 == split.length) {
						index++;
					}
				} else {
					if (1 == index) {
						m.push(data);
						if (3 == m.length) {
							index++;
						}
					} else {
						if (2 == index) {
							messages.push(data);
							if (3 == messages.length) {
								index++;
							}
						} else {
							if (3 == index && (received.push(data), 1 == received.length)) {
								d = {};
								/** @type {number} */
								index = c = 0;
								for (;index < m.length;index++) {
									c *= 256;
									c += m[index];
								}
								/** @type {number} */
								index = m = 0;
								for (;index < messages.length;index++) {
									m *= 256;
									m += messages[index];
								}
								/** @type {string} */
								d.ip = split.join(".");
								d.po = c;
								d.ac = m;
								d.wg = m + 5;
								d.clu = received[0];
								/** @type {Array} */
								sos.push(d);
								/** @type {Array} */
								split = [];
								/** @type {Array} */
								m = [];
								/** @type {Array} */
								messages = [];
								/** @type {Array} */
								received = [];
								/** @type {number} */
								index = 0;
							}
						}
					}
				}
				/** @type {number} */
				d = data = 0;
			} else {
				d++;
			}
		}
		return sos;
	}

	function pingServer(ip) {
		return new Promise(function(resolve, reject) {
			let handle = null;
			let ping = Date.now();
			try {
				handle = new WebSocket('ws://' + ip + ':80/ptc');
			}
			catch (e) {
				handle = null;
				reject(e);
			}
			if (handle) {
				handle.binaryType = "arraybuffer";
				handle.onerror = function(err) {
					reject(err);
				};
				handle.onmessage = function(data) {
					let pong = Date.now();
					if (testing) {
						console.log(ip, ping, pong, pong - ping, data);
					}
					resolve(pong - ping);
				};
				handle.onopen = function(body) {
					console.log(body);
					ping = Date.now();
					let data = new Uint8Array(1);
					data[0] = 112;
					this.send(data);
				};
			}
		});
	}
})();