shared modding sessions (SMS)

allows multiple ppl to work on a mod in realtime.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         shared modding sessions (SMS)
// @namespace    http://tampermonkey.net/
// @version      1.0.0
// @description  allows multiple ppl to work on a mod in realtime.
// @author       plxyer-x
// @match        https://starblast.io/modding.html
// @icon         https://starblast.io/static/img/icon64.png
// @license      fuck is that?
// @grant        none
// ==/UserScript==

(function() {
	'use strict';

	let terminal = window.$("#terminal").terminal();

	class ModdingSHSession {
		constructor (server, token, terminal, nonSecure = false) {
			this.server = server;
			this.token = token;
			this.nonSecure = nonSecure;
			this.terminal = terminal;
			this.stopped = false;
			this.started = false;
			this.pending_commands = [];
		}

		static parse (string, terminal) {
			let args = string.split(" ").map(e => e.trim()).filter(e => e);
			let nonSecure = false;
			if (args.includes("-n") || args.includes("--non-secure")) {
				nonSecure = true;
				let idx = args.indexOf("-n");
				if (idx === -1) idx = args.indexOf("--non-secure");
				args.splice(idx, 1);
			}

			return new this(args[0], args[1], terminal, nonSecure);
		}

		endSession () {
			if (!this.stopped) {
				this.started = true;
				this.stopped = true;
				this.terminal.echo("Ending session...");
			}
		}

		closeSocket () {
			this.ws.close();
			setTimeout(function () {
				if (!this.closed) {
					this.closed = true;
					this.terminal.set_prompt("> ");
				}
			}.bind(this), 5000);
		}

		connect () {
			try {
				let ws = this.ws = new WebSocket(`ws${this.nonSecure ? "" : "s"}://${this.server}/`);
				ws.onopen = function () {
					if (this.stopped) return this.closeSocket();
					ws.send(JSON.stringify({
						name: "join",
						token: this.token
					}));
				}.bind(this);

				ws.onmessage = function (data) {
					if (this.stopped) return this.closeSocket();
					try {
						let packet = JSON.parse(data.data);
						if (packet.message && !Array.isArray(packet.message)) packet.message = [packet.message];
						switch (packet.name) {
							case "session_start":
								this.started = true;
								this.user = packet.username || "guest";
								if (packet.server) this.server = packet.server;
								this.prompt = `${this.user}@${this.server}`;
								for (let i of this.pending_commands) this.execute(i);
								this.pending_commands = [];
								this.terminal.set_prompt(this.prompt + "# ");
								this.terminal.echo(`[msh://${this.prompt}]: Session connected successfully.`);
								this.terminal.echo(`Type 'logout' to end the session.`);
								break;
							case "session_end":
								if (packet.error) {
									let message = packet.message;
									if (!message) {
										if (!this.started) message = "Failed to establish connection (ERR_CONNECTION_REFUSED)";
										else message = "Server closes connection unexpectedly."
									}
									this.terminal.error(message);
								}
								else this.terminal.echo("Session finished.");
								this.endSession();
								break;
							case "command":
								this.terminal.echo(`${this.prompt}# ${packet.command}`);
								break;
							case "message":
								for (let m of packet.message) this.terminal.echo(m);
								break;
							case "error":
								for (let e of packet.message) this.terminal.error(e);
								break;
						}
					}
					catch {}
				}.bind(this);

				ws.onclose = function () {
					if (!this.closed && inSession === this) {
						this.terminal.set_prompt("> ");
					}
					this.closed = true;
					if (!this.stopped) {
						this.terminal.echo("Session connection removed.");
						this.endSession();
					}
				}.bind(this);

				ws.onerror = function () {
					this.terminal.error("Failed to connect: Cannot resolve host.");
					this.endSession();
					this.close();
				}.bind(this);
			}
			catch (e) {
				this.terminal.error("Failed to connect: Cannot resolve host.");
				this.endSession();
			}
		}

		execute (command) {
			if (!this.started) this.pending_commands.push(command);
			else this.ws.send(JSON.stringify({
				name: "execute",
				command
			}));
		}

		close () {
			if (!this.closed) {
				this.closeSocket();
				this.endSession();
			}
		}
	}

	let old_interpreter = terminal.export_view().interpreters.top().interpreter;
	let inSession = null;

	let getSession = function () {
		if (!inSession || inSession.closed) {
			return null;
		}
		return inSession;
	}

	terminal.set_interpreter(function (input, termInstance) {
		let args = (input || "").trim().split(" ").map(e => e.trim());
		let command = args[0] || "";
		let session = getSession();
		if (session) {
			if (command === "logout") {
				session.close();
			}
			else session.execute(input);
		}
		else {
			if (command === "msh") {
				inSession = ModdingSHSession.parse(args.slice(1).join(" "), terminal);
				if (!inSession.server) {
					terminal.echo(` [flags] <server> [token]\nConnect to shared modding sessions (SMS).\nAvailable flags:\n\t -n, --non-secure: Server is using non-secure WebSocket (ws://)`)
					inSession = null;
				}
				else {
					terminal.echo("Connecting to Modding session...");
					inSession.connect();
				}
			}
			else old_interpreter.call(this, input, termInstance);
		}
	})
})();