Slither.io Server Picker

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

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==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);
				};
			}
		});
	}
})();