Generals.io extension to automate superficial chat.

generals_glhf.user.js

// ==UserScript==
// @name         Generals.io Superficiality Mod
// @namespace    http://tampermonkey.net/
// @version      1.0.3
// @description  Takes care of formalities for you in generals.io chat.
// @author       pasghetti
// @match        https://generals.io
// @match        https://*.generals.io
// @match        https://generals.io/games/*
// @match        https://*.generals.io/games/*
// @grant        none
// @require      https://cdn.rawgit.com/pasghetti/wshook/master/wsHook.js
// @run-at       document-start
// ==/UserScript==

var greeting = "glhf";
var msg = "";
var turn = 0;
var lossEnding = "ggwp";
var winEnding = "gg";

var chatRoom = "";
wsHook.after = function(messageEvent, url, wsObject) {
	if(messageEvent.data.indexOf("42[\"game_start\",") == 0) {
		var check = messageEvent.data.indexOf(",{\"playerIndex\":") + ",{\"playerIndex\":".length;
		if(messageEvent.data.substr(check, 1) === "-") {
			return messageEvent;
		}
		var start = messageEvent.data.indexOf(",\"chat_room") + ",\"chat_room".length + 3;
		var end = messageEvent.data.indexOf(",\"team_chat_room") - 1;
		if(end < 0) {
			end = messageEvent.data.indexOf(",\"usernames") - 1;
		}
		chatRoom = messageEvent.data.substr(start, end - start);
		if(greeting !== "") {
			wsObject.send("42[\"chat_message\",\"" + chatRoom + "\",\"" + greeting + "\",\"\"]");
		}
	}
	if(chatRoom !== "" && messageEvent.data.indexOf("42[\"game_update\",") == 0) {
		var start = messageEvent.data.indexOf(",\"turn") + ",\"turn".length + 2;
		var end = messageEvent.data.indexOf(",\"attackIndex");
		var curTurn = +messageEvent.data.substr(start, end - start);
		if(curTurn === turn && msg !== "") {
			wsObject.send("42[\"chat_message\",\"" + chatRoom + "\",\"" + msg + "\",\"\"]");
		}
	}
	if(chatRoom !== "" && messageEvent.data.indexOf("game_lost") != -1) {
		if(lossEnding !== "") {
			wsObject.send("42[\"chat_message\",\"" + chatRoom + "\",\"" + lossEnding + "\",\"\"]");
		}
		chatRoom = "";
	}
	if(chatRoom !== "" && messageEvent.data.indexOf("game_won") != -1) {
		if(winEnding !== "") {
			wsObject.send("42[\"chat_message\",\"" + chatRoom + "\",\"" + winEnding + "\",\"\"]");
		}
		chatRoom = "";
	}
    return messageEvent;
}

var minimized = false;

function checkChat() {
	var log = document.getElementsByClassName("chat-messages-container");
	var leaderboard = document.getElementById("game-leaderboard");
	if(leaderboard) {
		if(!minimized && log.length > 0 && !log[0].classList.contains("minimized") && chatRoom !== "") {
			minimized = true;
			log[0].click();
		}
	} else {
		minimized = false;
	}
}

setInterval(checkChat, 100);