TL;DR
// ==UserScript==
// @name Devast.io - chat-logger
// @namespace https://tampermonkey.net/
// @version 0.4
// @description TL;DR
// @author https://greatest.deepsurf.us/ja/users/705684
// @match *://devast.io/
// @match *://devast.io/?*
// @icon https://www.google.com/s2/favicons?sz=64&domain=devast.io
// @license GPL-3.0-or-later
// @grant none
// @require https://update.greatest.deepsurf.us/scripts/515720/1477822/util.js
// ==/UserScript==
(() => {
window.WebSocket = class extends window.WebSocket {
constructor(...args) {
super(...args);
listenWebSocket(this);
chat.make();
}
send(data) {
super.send(data);
if (typeof data === 'string') {
// JSON
const arr = JSON.parse(data);
if (arr[0] === 1) {
chat.log('you', arr[1]);
}
} else {
// binary
}
}
};
let prevTimeMap = new Map();
const coolDownTime = 256;
const chat = new (class {
constructor() {
this.elm = document.createElement('div');
Object.assign(this.elm.style, {
position: 'fixed',
left: '30vw',
width: '40vw',
height: '15vh',
backgroundColor: 'rgba(0, 0, 0, 0.1)',
overflow: 'auto',
padding: '0.5em',
userSelect: 'none',
});
this.count = 0;
}
make() {
document.body.append(this.elm);
}
async log(author, text) {
const currentTime = performance.now();
const prevTime = prevTimeMap.get(author) ?? 0;
if (currentTime - prevTime < coolDownTime) return;
prevTimeMap.set(author, currentTime);
const wrapper = document.createElement('div');
const random = await window.pseudoRandomBy(author);
Object.assign(wrapper.style, {
backgroundColor:
this.count++ % 2 ? 'rgba(0, 0, 0, 0.3)' : 'rgba(63, 63, 63, 0.3)',
color: `hsl(${360 * random | 0} 100% 50%)`,
padding: '0 0.5em',
});
const authorHolder = document.createElement('span');
const textHolder = document.createElement('span');
this.elm.append(wrapper);
wrapper.append(authorHolder);
wrapper.append(textHolder);
authorHolder.innerText = `${author}: `;
textHolder.innerText = `${text} (${window.formatTime()})`;
this.elm.scrollTop = this.elm.scrollHeight;
}
})();
const listenWebSocket = (ws) => {
ws.addEventListener('message', (e) => {
if (typeof e.data === 'string') {
// JSON
parseJSON(e.data);
} else if (typeof e.data === 'object') {
// ArrayBuffer
}
});
};
const parseJSON = (data) => {
const arr = JSON.parse(data);
switch (arr[0]) {
case 0: {
// chat
const id = arr[1];
const author = `${players.nicknames[id]}#${id}`;
chat.log(author, arr[2]);
break;
}
case 1: // new player
players.join(arr[1], arr[3]);
break;
case 2: // nicknames token
players.nicknames = arr;
break;
case 3: // alert
break;
case 4: // new team
break;
case 5: // team name
break;
}
};
const players = new (class {
constructor() {
this.nicknames = null;
}
join(id, nickname) {
this.nicknames[id] = nickname;
}
})();
})();