blastmud-site/src/index.ts

76 lines
2.2 KiB
TypeScript

import {Terminal} from 'xterm';
import { Readline } from "xterm-readline";
import { FitAddon } from 'xterm-addon-fit';
let isScreened = false, sendLessExplicit = false;
const term = new Terminal();
const rl = new Readline();
term.options.scrollback = 1000;
const fit = new FitAddon();
term.loadAddon(fit);
term.loadAddon(rl);
term.open(document.getElementById('console'));
fit.fit();
let lineHandler = (l: string) => { console.log("Default handler", l); };
async function readForever() {
while (true) {
const l = await rl.read("");
lineHandler(l);
}
}
readForever();
const params: {[key:string]: string} =
location.search.substr(1).split('&')
.reduce((o, s) => { const [k, v] = s.split('='); o[k] = v; return o;},
{} as {[key:string]: string});
function connectTerm() {
lineHandler = () => {};
term.writeln("\x1b[0mConnecting to server...");
const wsurl = (window.localStorage['allow_wsurl'] !== true || params.wsurl === undefined) ?
"wss://ws.blastmud.org/wsgame" : params.wsurl;
let webSocket = new WebSocket(wsurl);
webSocket.addEventListener('open', (event) => {
if (sendLessExplicit)
webSocket.send("less_explicit_mode");
fit.fit();
lineHandler = (l: string) => { console.log("Send handler", l); webSocket.send(l); }
term.writeln("\x1b[0mConnected");
});
webSocket.addEventListener('close', (event) => {
lineHandler = connectTerm;
term.writeln("\x1b[0mDisconnected; use r (followed by enter) to reconnect.");
});
webSocket.addEventListener('error', (event) => {
term.writeln("\x1b[0mNetwork error with connection.");
});
webSocket.addEventListener('message', (msg) => {
fit.fit();
term.write(msg.data.replaceAll("\r", "")
.replaceAll("\n", "\r\n"));
});
}
function over18() {
document.getElementById("over18").style.display = 'none';
isScreened = true;
window.localStorage['over18'] = true;
term.focus();
connectTerm();
}
if ('serviceWorker' in navigator) navigator.serviceWorker.register('service-worker.js');
if (params["source"] && params["source"] === "android") {
isScreened = true;
sendLessExplicit = true;
document.getElementById("notyet").style.display = 'none';
}
if (isScreened || window.localStorage['over18']) {
over18();
}