backend is nu in typescript met de classes georganiseerd de manier van synchronisatie is nu gebaseerd op het synchroniseren van de tijd van de server en client, zodat er minder communicatie nodig is vanuit de servermaster
Florens Douwes
5 years ago
parent
b05ee951d5
commit
18aa4fa369
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Load Diff
File diff suppressed because it is too large
Load Diff
@ -1,160 +0,0 @@ |
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const User = require("./User.js"); |
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const timeline = require("./timeline.js"); |
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|
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module.exports = class Lobby { |
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/** |
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* @type {User[]} |
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*/ |
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users = []; |
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/** |
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* @type {string|undefined} |
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*/ |
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leaderId = undefined; |
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running = false; |
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startTime = 0; |
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currentSeconds = 0; |
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timelineIndex = 0; |
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|
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// For debugging purposes
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speedFactor = 1; |
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constructor(name) { |
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this.name = name; |
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} |
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run(io) { |
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this.running = true; |
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this.startTime = Date.now(); |
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const doTick = () => { |
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if (this.users.length === 0) { |
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// this lobby is over.
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return; |
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} |
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|
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const timestamp = timeline.getIndex(this.timelineIndex); |
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const nextShot = timeline.getNextShot(this.timelineIndex); |
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|
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if (!timestamp) { |
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// We are done.
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io.to(this.name + "").emit('tick_event', { |
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current: this.currentSeconds |
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}); |
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console.log("Done"); |
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this.running = false; |
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return; |
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} |
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console.log("ticking", this.currentSeconds); |
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io.to(this.name + "").emit('tick_event', { |
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current: this.currentSeconds, |
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next: timestamp, |
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nextShot: nextShot |
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}); |
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if (this.currentSeconds >= timestamp.timestamp) { |
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this.timelineIndex += 1; |
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} |
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this.currentSeconds += 1; |
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// We spend some time processing, wait a bit less than 1000ms
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const nextTickTime = this.startTime + (1000 * this.currentSeconds / this.speedFactor); |
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const waitTime = nextTickTime - Date.now(); |
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console.log("waiting", waitTime); |
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setTimeout(doTick, Math.floor(waitTime / this.speedFactor)); |
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}; |
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doTick(); |
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} |
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|
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/** |
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* |
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* @param io |
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* @param {number} time |
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*/ |
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seek(io, time) { |
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this.currentSeconds = time; |
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this.startTime = Date.now() - time * 1000; |
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this.timelineIndex = timeline.indexForTime(this.currentSeconds); |
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io.to(this.name + "").emit('seek', time); |
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} |
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|
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/** |
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* |
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* @returns {boolean} |
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*/ |
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hasUsers() { |
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return this.users.length !== 0; |
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} |
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setRandomLeader() { |
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if (this.hasUsers()) { |
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this.leaderId = this.users[0].id; |
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} |
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} |
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|
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/** |
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* |
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* @param {User} user |
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*/ |
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addUser(user) { |
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this.users.push(user); |
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} |
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|
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/** |
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* |
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* @param id |
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* @returns {User|undefined} |
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*/ |
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getUser(id) { |
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return this.users.find(u => u.id === id); |
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} |
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|
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/** |
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* |
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* @param {string} id |
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*/ |
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removeUser(id) { |
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this.users = this.users.filter(u => u.id !== id); |
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} |
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|
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/** |
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* |
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* @returns {boolean} |
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*/ |
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hasLeader() { |
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return !!this.leaderId; |
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} |
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|
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/** |
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* |
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* @param {string} id |
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* @returns {boolean} |
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*/ |
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isLeader(id) { |
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return this.leaderId === id; |
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} |
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|
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/** |
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* |
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* @param {string} id |
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*/ |
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setLeader(id) { |
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if (!this.getUser(id)) { |
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throw new Error('user_not_in_lobby'); |
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} |
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this.leaderId = id; |
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} |
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/** |
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* |
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* @returns {User|undefined} |
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*/ |
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getLeader() { |
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return this.users.find(u => u.id === this.leaderId) |
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} |
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}; |
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@ -0,0 +1,186 @@ |
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import {Socket} from "socket.io"; |
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import User from "./User"; |
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import {getIndex, getNextShot, getTimeline, indexForTime} from "./timeline"; |
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import {getCurrentTime} from "./util"; |
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export default class Room { |
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id: number = 0; |
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users: User[] = []; |
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leader: User | null = null; |
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running = false; |
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startTime = 0; |
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currentSeconds = 0; |
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timelineIndex: number = 0; |
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timelineName: string = 'Centurion'; |
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|
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// For debugging purposes
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speedFactor = 1; |
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constructor(name: number) { |
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this.id = name; |
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} |
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serialize(user: User) { |
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return { |
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'id': this.id, |
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'userCount': this.users.length, |
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'isLeader': this.leader == user, |
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'running': this.running, |
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'startTime': this.startTime, |
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'timelineName': this.timelineName, |
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} |
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} |
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serializeTimeline(user: User) { |
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return getTimeline(this.timelineName); |
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} |
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sync() { |
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this.users.forEach(u => u.sync()); |
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} |
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join(user: User) { |
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this.users.push(user); |
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user.setRoom(this); |
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if (!this.hasLeader()) { |
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this.setLeader(user); |
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} |
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this.sync(); |
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} |
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leave(user: User) { |
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this.users.splice(this.users.indexOf(user), 1); |
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user.setRoom(null); |
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if (this.leader == user) { |
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this.setRandomLeader(); |
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} |
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this.sync(); |
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} |
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onBeforeDelete() { |
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} |
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start() { |
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this.running = true; |
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this.startTime = getCurrentTime() - 1400 * 1000 |
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this.sync(); |
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} |
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run(io: Socket) { |
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this.running = true; |
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this.startTime = Date.now(); |
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// io.to(this.id.toString()).emit('timeline', {
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// 'timeline': {
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// }
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// });
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const doTick = () => { |
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if (this.users.length === 0) { |
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// this room is over.
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return; |
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} |
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const timestamp = getIndex(this.timelineIndex); |
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const nextShot = getNextShot(this.timelineIndex); |
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if (!timestamp) { |
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// We are done.
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io.to(this.id.toString()).emit('tick_event', { |
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tick: { |
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current: this.currentSeconds |
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} |
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}); |
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console.log("Done"); |
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this.running = false; |
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return; |
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} |
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console.log("ticking", this.currentSeconds); |
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io.to(this.id.toString()).emit('tick_event', { |
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tick: { |
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current: this.currentSeconds, |
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next: timestamp, |
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nextShot: nextShot |
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} |
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}); |
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if (this.currentSeconds >= timestamp.timestamp) { |
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this.timelineIndex += 1; |
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} |
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this.currentSeconds += 1; |
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// We spend some time processing, wait a bit less than 1000ms
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const nextTickTime = this.startTime + (1000 * this.currentSeconds / this.speedFactor); |
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const waitTime = nextTickTime - Date.now(); |
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console.log("waiting", waitTime); |
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setTimeout(doTick, Math.floor(waitTime / this.speedFactor)); |
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}; |
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doTick(); |
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} |
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/** |
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* |
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* @param io |
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* @param {number} time |
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*/ |
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seek(io: Socket, time: number) { |
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this.currentSeconds = time; |
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this.startTime = Date.now() - time * 1000; |
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this.timelineIndex = indexForTime(this.currentSeconds); |
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io.to(this.id.toString()).emit('seek', time); |
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} |
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/** |
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* |
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* @returns {boolean} |
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*/ |
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hasUsers() { |
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return this.users.length !== 0; |
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} |
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setRandomLeader() { |
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if (this.hasUsers()) { |
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this.leader = this.users[0]; |
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} |
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} |
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/** |
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* |
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* @param id |
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* @returns {User|undefined} |
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*/ |
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getUser(id: string) { |
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return this.users.find(u => u.id === id); |
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} |
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/** |
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* |
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* @param {string} id |
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*/ |
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removeUser(id: string) { |
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this.users = this.users.filter(u => u.id !== id); |
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} |
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hasLeader(): boolean { |
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return this.leader != null; |
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} |
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setLeader(user: User) { |
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this.leader = user; |
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} |
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getLeader(): User | null { |
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return this.leader; |
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} |
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}; |
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@ -0,0 +1,120 @@ |
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import {Socket} from "socket.io"; |
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import User from './User' |
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import Room from './Room' |
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import {getCurrentTime, randomInt} from "./util"; |
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export default class Service { |
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private roomIdToRooms = new Map<number, Room>(); |
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private socketsToUsers = new Map<string, User>(); |
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onSocketConnect(socket: Socket) { |
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let user = new User(socket); |
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this.socketsToUsers.set(socket.id, user); |
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} |
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onSocketDisconnect(socket: Socket) { |
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let user = this.getUser(socket); |
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if (user.room != null) { |
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user.room.leave(user); |
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} |
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this.deleteEmptyRooms(); |
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user.onDisconnect(); |
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} |
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onTimeSync(socket: Socket, requestId: number, clientTime: number) { |
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let user = this.getUser(socket); |
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let now = getCurrentTime(); |
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user.emit('time_sync', { |
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'requestId': requestId, |
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'clientDiff': now - clientTime, |
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'serverTime': now |
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}) |
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} |
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onRequestStart(socket: Socket) { |
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let user = this.getUser(socket); |
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if (user.room?.getLeader() == user) { |
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user.room!!.start(); |
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} |
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} |
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onRequestJoin(socket: Socket, roomId: number): boolean { |
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let user = this.getUser(socket); |
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if (!this.roomIdToRooms.has(roomId)) return false; |
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if (user.room && user.room.id == roomId) return false; |
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if (user.room) { |
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user.room.leave(user); |
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this.deleteEmptyRooms(); |
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} |
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let room = this.roomIdToRooms.get(roomId)!!; |
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room.join(user); |
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return true; |
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} |
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onRequestJoinRandom(socket: Socket) { |
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let user = this.getUser(socket); |
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if (user.room) { |
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user.room.leave(user); |
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this.deleteEmptyRooms(); |
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} |
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const room = this.createRandomRoom(); |
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if (!room) throw Error('Too many rooms active'); |
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room.join(user); |
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} |
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hasRoomId(roomId: number): boolean { |
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return this.roomIdToRooms.has(roomId); |
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} |
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private getUser(socket: Socket): User { |
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let user = this.socketsToUsers.get(socket.id); |
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if (!user) { |
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throw new Error('User not found'); |
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} |
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return user; |
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} |
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private deleteEmptyRooms() { |
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for (let room of this.roomIdToRooms.values()) { |
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if (room.users.length == 0) { |
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this.deleteRoom(room); |
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} |
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} |
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} |
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private createRandomRoom(): Room | null { |
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let tries = 0; |
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while (tries++ < 1000) { |
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const randomId = randomInt(100, Math.max(1000, this.roomIdToRooms.size * 2)); |
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if (this.roomIdToRooms.has(randomId)) continue; |
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return this.createRoomWithId(randomId); |
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} |
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return null; |
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} |
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private createRoomWithId(roomId: number): Room { |
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if (this.roomIdToRooms.has(roomId)) { |
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throw new Error('A room with the given id already exists'); |
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} |
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let room = new Room(roomId); |
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this.roomIdToRooms.set(roomId, room); |
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return room; |
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} |
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private deleteRoom(room: Room) { |
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this.roomIdToRooms.get(room.id)!!.onBeforeDelete(); |
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this.roomIdToRooms.delete(room.id) |
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} |
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} |
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@ -1,59 +0,0 @@ |
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const Lobby = require("./Lobby.js"); |
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const {getRandomInt} = require("./util.js"); |
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class State { |
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/** |
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* @type {Object.<string, Lobby>} |
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*/ |
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lobbies = {}; |
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constructor() { |
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} |
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/** |
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* @returns {Lobby} |
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*/ |
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createRandomLobby() { |
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let lobby = undefined; |
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while (!lobby) { |
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const lobbyCount = Object.keys(this.lobbies).length; |
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const id = getRandomInt(100, Math.max(1000, lobbyCount * 2)); |
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lobby = this.createLobby(id); |
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} |
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return lobby; |
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} |
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/** |
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* |
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* @param lobbyId |
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* @returns {Lobby|undefined} |
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*/ |
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getLobby(lobbyId) { |
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if (!lobbyId || !this.lobbies.hasOwnProperty(lobbyId)) { |
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return undefined; |
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} |
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return this.lobbies[lobbyId]; |
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} |
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/** |
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* Returns undefined when the lobby already exists. |
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* @param {number} lobbyId |
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* @returns {Lobby|undefined} |
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*/ |
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createLobby(lobbyId) { |
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if (this.lobbies.hasOwnProperty(lobbyId)) { |
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return undefined; |
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} |
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return new Lobby(lobbyId); |
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} |
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removeLobby(lobbyId) { |
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delete this.lobbies[lobbyId]; |
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} |
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} |
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module.exports = new State(); |
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@ -1,5 +0,0 @@ |
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module.exports = class User { |
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constructor(id) { |
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this.id = id; |
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} |
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}; |
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@ -0,0 +1,77 @@ |
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import {Socket} from "socket.io"; |
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import Room from "./Room"; |
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export default class User { |
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socket: Socket; |
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id: string; |
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room: Room | null = null; |
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constructor(socket: Socket) { |
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this.socket = socket; |
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this.id = socket.id; |
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} |
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onDisconnect() { |
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if (this.room != null) { |
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} |
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} |
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setRoom(room: Room | null) { |
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if (this.room === room) return; |
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if (this.room != null) { |
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this.socket.leave(this.room.id.toString()); |
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} |
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this.room = room; |
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if (this.room != null) { |
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this.socket.join(this.room.id.toString()); |
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} |
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this.sync(); |
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} |
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sentRoom: any = null; |
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sentTimelineName: string | null = null; |
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sync() { |
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if (!this.shallowEquals(this.sentRoom, this.room?.serialize(this))) { |
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this.sentRoom = this.room?.serialize(this); |
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this.emit('room', { |
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'room': this.sentRoom |
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}) |
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} |
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if (!this.shallowEquals(this.sentTimelineName, this.room?.timelineName)) { |
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this.sentTimelineName = this.room?.timelineName || null; |
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this.emit('timeline', { |
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'timeline': this.sentTimelineName == null ? null : this.room!!.serializeTimeline(this) |
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}) |
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} |
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} |
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emit(eventName: string, obj: any) { |
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this.socket.emit(eventName, obj); |
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} |
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shallowEquals(obj1: any, obj2: any) { |
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if (obj1 === null && obj2 === null) |
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return true; |
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|
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if ((obj1 === null && obj2 !== null) || (obj1 !== null && obj2 === null)) |
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return false; |
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|
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if (typeof (obj1) != typeof (obj2)) |
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return false; |
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|
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if (Object.keys(obj1).length !== Object.keys(obj2).length) return false |
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|
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return Object.keys(obj1).every(key => |
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obj2.hasOwnProperty(key) && obj1[key] === obj2[key] |
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); |
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} |
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} |
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@ -1,22 +0,0 @@ |
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const express = require("express"); |
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const socketIO = require("socket.io"); |
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const state = require("./State.js"); |
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const path = require("path"); |
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const HOST = '0.0.0.0'; |
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const PORT = 3001; |
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const app = express(); |
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const server = app.listen(PORT, HOST,() => console.log(`Centurion listening on port ${PORT}!`)); |
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app.use(express.static(path.join(__dirname, '../public'))); |
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const io = socketIO(server); |
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|
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app.get('/state', (req, res) => res.send('<pre>' + JSON.stringify(state) + '</pre>')); |
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|
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process.on('SIGINT', () => process.exit()); |
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process.on('SIGTERM', () => process.exit()); |
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module.exports = { |
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app, server, io |
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}; |
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@ -1,80 +0,0 @@ |
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const service = require("./service.js"); |
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const state = require("./State.js"); |
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|
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const {io} = require('./app.js'); |
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io.on('connection', socket => { |
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const socketId = socket.id; |
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|
||||
console.log('a user connected', socketId); |
||||
|
||||
const lobby = state.createRandomLobby(); |
||||
service.joinLobby(socketId, lobby.name); |
||||
socket.join(lobby.name); |
||||
socket.emit('welcome', {lobby: lobby}); |
||||
|
||||
socket.on('disconnect', (reason) => { |
||||
console.log('Disconnected:', socketId); |
||||
service.leaveLobby(socketId); |
||||
}); |
||||
|
||||
socket.on('join_lobby', (lobbyId, callback) => { |
||||
if (!callback || typeof callback !== 'function') { |
||||
console.error("Join: Callback not a function."); |
||||
return |
||||
} |
||||
|
||||
if (!lobbyId) { |
||||
return callback('no_lobby_id_given'); |
||||
} |
||||
|
||||
if (!Number.isSafeInteger(+lobbyId)) { |
||||
return callback('lobby_id_not_integer'); |
||||
} |
||||
|
||||
console.log(`${socketId} wants to join '${lobbyId}'.`); |
||||
|
||||
// Leave current lobby first
|
||||
service.leaveLobby(socketId); |
||||
const lobby = service.joinLobby(socketId, lobbyId); |
||||
|
||||
socket.join(lobby.name); |
||||
|
||||
callback(null, { |
||||
status: 'ok', |
||||
lobby: lobby |
||||
}); |
||||
}); |
||||
|
||||
socket.on('lobby_info', callback => { |
||||
if (!callback || typeof callback !== 'function') { |
||||
console.error("Lobby info: Callback not a function."); |
||||
return |
||||
} |
||||
|
||||
const lobby = service.getUserLobby(socketId); |
||||
|
||||
callback(null, { |
||||
status: 'ok', |
||||
lobby: lobby |
||||
}); |
||||
}); |
||||
|
||||
socket.on('request_start', (time = null) => { |
||||
console.log('request start', socket.rooms); |
||||
|
||||
const lobby = service.getUserLobby(socketId); |
||||
if (!lobby.isLeader(socketId)) { |
||||
console.warn("Non leader tried to start."); |
||||
return; |
||||
} |
||||
|
||||
io.to(lobby.name + "").emit('started'); |
||||
lobby.run(io); |
||||
|
||||
if (typeof time === 'number' && time) { |
||||
console.log("Starting at", time); |
||||
lobby.seek(io, time); |
||||
} |
||||
}); |
||||
}); |
||||
@ -0,0 +1,175 @@ |
||||
import express from "express"; |
||||
import SocketIO, {Socket} from "socket.io"; |
||||
import path from "path"; |
||||
|
||||
import Service from './Service' |
||||
|
||||
// process.on('SIGINT', () => process.exit());
|
||||
// process.on('SIGTERM', () => process.exit());
|
||||
|
||||
const HOST = '0.0.0.0'; |
||||
const PORT = 3001; |
||||
|
||||
const app = express(); |
||||
const server = app.listen(PORT, HOST, () => console.log(`Centurion listening on port ${PORT}!`)); |
||||
app.use(express.static(path.join(__dirname, '../public'))); |
||||
|
||||
const io = SocketIO(server); |
||||
|
||||
const service = new Service(); |
||||
|
||||
io.on('connection', socket => { |
||||
socket.on('disconnect', (reason) => { |
||||
service.onSocketDisconnect(socket); |
||||
}); |
||||
|
||||
socket.on('ping', () => { |
||||
socket.emit('pong'); |
||||
}) |
||||
|
||||
socket.on('time_sync', (requestId: number, clientTime: number) => { |
||||
if (!Number.isSafeInteger(requestId)) return; |
||||
if (!Number.isSafeInteger(clientTime)) return; |
||||
|
||||
service.onTimeSync(socket, requestId, clientTime); |
||||
}) |
||||
|
||||
socket.on('request_start', () => { |
||||
service.onRequestStart(socket); |
||||
}); |
||||
|
||||
socket.on('request_join', (roomId: number) => { |
||||
if (!Number.isSafeInteger(roomId)) return; |
||||
|
||||
service.onRequestJoin(socket, roomId); |
||||
}); |
||||
|
||||
socket.on('request_join_random', () => { |
||||
service.onRequestJoinRandom(socket); |
||||
}) |
||||
|
||||
socket.on('call', (id: number, name: string, params: any) => { |
||||
if (!Number.isSafeInteger(id)) return; |
||||
// noinspection SuspiciousTypeOfGuard
|
||||
if (!name || typeof (name) !== 'string') return; |
||||
// if (!params) return;
|
||||
|
||||
let call = new Call(socket, id, name, params); |
||||
|
||||
if (name == 'room_exists') { |
||||
let roomId = params && params['roomId']; |
||||
if (!Number.isSafeInteger(roomId)) { |
||||
call.error('Invalid room id'); |
||||
return; |
||||
} |
||||
|
||||
call.respond(service.hasRoomId(roomId)); |
||||
return; |
||||
} |
||||
|
||||
if (name == 'request_join') { |
||||
let roomId = params && params['roomId']; |
||||
if (!Number.isSafeInteger(roomId)) { |
||||
call.error('Invalid room id'); |
||||
return; |
||||
} |
||||
if (!service.hasRoomId(roomId)) { |
||||
call.respond(false); |
||||
return; |
||||
} |
||||
if (service.onRequestJoin(socket, roomId)) { |
||||
call.respond(true); |
||||
} else { |
||||
call.respond(false); |
||||
} |
||||
} |
||||
}) |
||||
|
||||
service.onSocketConnect(socket); |
||||
|
||||
/*socket.on('join_room', (roomId, callback) => { |
||||
if (!callback || typeof callback !== 'function') { |
||||
console.error("Join: Callback not a function."); |
||||
return |
||||
} |
||||
|
||||
if (!roomId) { |
||||
return callback('no_room_id_given'); |
||||
} |
||||
|
||||
if (!Number.isSafeInteger(+roomId)) { |
||||
return callback('room_id_not_integer'); |
||||
} |
||||
|
||||
console.log(`${socketId} wants to join '${roomId}'.`); |
||||
|
||||
// Leave current room first
|
||||
|
||||
let currentRoom = service.getUserRoom(socketId); |
||||
if (currentRoom) { |
||||
socket.leave(currentRoom.name); |
||||
service.leaveRoom(socketId); |
||||
} |
||||
|
||||
const room = service.joinRoom(socketId, roomId); |
||||
|
||||
socket.join(room.name); |
||||
sendRoom(socket, room); |
||||
}); |
||||
|
||||
socket.on('room_info', callback => { |
||||
if (!callback || typeof callback !== 'function') { |
||||
console.error("Room info: Callback not a function."); |
||||
return |
||||
} |
||||
|
||||
const room = service.getUserRoom(socketId); |
||||
sendRoom(socket, room); |
||||
}); |
||||
|
||||
socket.on('request_start', (time = null) => { |
||||
console.log('request start', socket.rooms); |
||||
|
||||
const room = service.getUserRoom(socketId); |
||||
if (!room.isLeader(socketId)) { |
||||
console.warn("Non leader tried to start."); |
||||
return; |
||||
} |
||||
|
||||
room.run(io); |
||||
sendRoom(io.to(room.name.toString()), room); |
||||
|
||||
if (typeof time === 'number' && time) { |
||||
console.log("Starting at", time); |
||||
room.seek(io, time); |
||||
} |
||||
});*/ |
||||
}); |
||||
|
||||
class Call { |
||||
private socket: Socket; |
||||
private id: number; |
||||
private name: string; |
||||
private params: any; |
||||
|
||||
constructor(socket: Socket, id: number, name: string, params: any) { |
||||
this.socket = socket; |
||||
this.id = id; |
||||
this.name = name; |
||||
this.params = params; |
||||
} |
||||
|
||||
error(reason: string) { |
||||
this.socket.emit('call_response', { |
||||
'id': this.id, |
||||
'error': reason |
||||
}) |
||||
} |
||||
|
||||
respond(data: any) { |
||||
this.socket.emit('call_response', { |
||||
'id': this.id, |
||||
'response': data |
||||
}); |
||||
} |
||||
} |
||||
@ -1,68 +0,0 @@ |
||||
const User = require("./User.js"); |
||||
const state = require("./State.js"); |
||||
|
||||
/** |
||||
* |
||||
* @param {string} socketId |
||||
* @param {number} lobbyId |
||||
* @returns {Lobby} |
||||
*/ |
||||
function joinLobby(socketId, lobbyId) { |
||||
let lobby = state.getLobby(lobbyId); |
||||
if (!lobby) { |
||||
lobby = state.createLobby(lobbyId); |
||||
} |
||||
|
||||
lobby.addUser(new User(socketId)); |
||||
|
||||
if (!lobby.hasLeader()) { |
||||
lobby.setLeader(socketId); |
||||
} |
||||
|
||||
state.lobbies[lobby.name] = lobby; |
||||
return lobby; |
||||
} |
||||
|
||||
function leaveLobby(socketId) { |
||||
Object.keys(state.lobbies).forEach(lobbyId => { |
||||
const lobby = state.getLobby(lobbyId); |
||||
|
||||
if (!lobby) { |
||||
return; |
||||
} |
||||
|
||||
lobby.removeUser(socketId); |
||||
|
||||
if (!lobby.hasUsers()) { |
||||
state.removeLobby(lobbyId); |
||||
return; |
||||
} |
||||
|
||||
if (lobby.getLeader() === socketId) { |
||||
lobby.setRandomLeader(); |
||||
} |
||||
}); |
||||
} |
||||
|
||||
/** |
||||
* |
||||
* @param socketId |
||||
* @returns {Lobby|undefined} |
||||
*/ |
||||
function getUserLobby(socketId) { |
||||
for (let lobbyId of Object.keys(state.lobbies)) { |
||||
const lobby = state.getLobby(lobbyId); |
||||
|
||||
if (!lobby) { |
||||
continue; |
||||
} |
||||
|
||||
if (lobby.getUser(socketId)) { |
||||
return lobby; |
||||
} |
||||
} |
||||
|
||||
return undefined; |
||||
} |
||||
|
||||
module.exports = {joinLobby, leaveLobby, getUserLobby}; |
||||
@ -1,15 +0,0 @@ |
||||
/** |
||||
* Generates random int |
||||
* @param {number} min, inclusive |
||||
* @param {number} max, exclusive |
||||
* @returns {number} |
||||
*/ |
||||
function getRandomInt(min, max) { |
||||
min = Math.ceil(min); |
||||
max = Math.floor(max); |
||||
return Math.floor(Math.random() * (max - min)) + min; |
||||
} |
||||
|
||||
module.exports = { |
||||
getRandomInt |
||||
}; |
||||
@ -0,0 +1,20 @@ |
||||
/** |
||||
* Generates random int |
||||
* @param {number} min, inclusive |
||||
* @param {number} max, exclusive |
||||
* @returns {number} |
||||
*/ |
||||
export function randomInt(min: number, max: number): number { |
||||
min = Math.ceil(min); |
||||
max = Math.floor(max); |
||||
return Math.floor(Math.random() * (max - min)) + min; |
||||
} |
||||
|
||||
let _randomTimeOffsetForDebug = randomInt(-10000, 10000); |
||||
_randomTimeOffsetForDebug = 0; |
||||
|
||||
console.log('random time offset', _randomTimeOffsetForDebug); |
||||
|
||||
export function getCurrentTime() { |
||||
return Date.now() + _randomTimeOffsetForDebug; |
||||
} |
||||
@ -0,0 +1,8 @@ |
||||
{ |
||||
"compilerOptions": { |
||||
"target": "es6", |
||||
"module": "commonjs", |
||||
"strict": true, |
||||
"esModuleInterop": true |
||||
} |
||||
} |
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,32 @@ |
||||
import {roomTime, useRoom, useRoomRunningChanged, useRoomTime, useTick} from "../lib/Connection"; |
||||
import {useRef} from "react"; |
||||
|
||||
|
||||
const Player = () => { |
||||
const roomRunning = useRoomRunningChanged(); |
||||
const _ = useRoomTime() |
||||
console.log('PLAYER RENDER', roomTime) |
||||
|
||||
const player = useRef(new Audio("centurion.m4a")); |
||||
|
||||
if (roomRunning?.running) { |
||||
let targetTime = roomTime() / 1000; |
||||
let diff = player.current.currentTime - targetTime; |
||||
console.log('PLAYER DIFF', diff); |
||||
if (Math.abs(diff) > 0.1) { |
||||
player.current.currentTime = targetTime; |
||||
} |
||||
|
||||
if (player.current.paused) { |
||||
player.current.play().catch(e => { |
||||
console.error('Error playing', e); |
||||
}) |
||||
} |
||||
} else { |
||||
player.current.pause(); |
||||
} |
||||
|
||||
return null; |
||||
} |
||||
|
||||
export default Player; |
||||
@ -1,17 +1,59 @@ |
||||
#centurion-title |
||||
font-size: 3.5rem |
||||
.lobby |
||||
.centurion-title |
||||
text-align: center |
||||
|
||||
font-size: 3.0rem |
||||
min-height: inherit |
||||
|
||||
.text |
||||
padding: 0 2rem |
||||
|
||||
.beer |
||||
animation-fill-mode: forwards |
||||
|
||||
&.connecting |
||||
animation: spin 0.4s ease-in-out 25 |
||||
|
||||
@keyframes spin |
||||
100% |
||||
transform: rotate(-360deg) |
||||
|
||||
.beer-flipped |
||||
transform: scaleX(-1) |
||||
display: inline-block |
||||
|
||||
.lobby-connecting |
||||
margin: 2em 0 0 0 |
||||
text-align: center |
||||
|
||||
.hints |
||||
margin: 1rem 0 0 0 |
||||
font-size: 2rem |
||||
text-align: center |
||||
|
||||
|
||||
.control |
||||
font-size: 1.3rem |
||||
margin-top: 5em |
||||
margin: 2em 1em 2em 1em |
||||
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24) |
||||
|
||||
.beer-flipped |
||||
transform: scaleX(-1) |
||||
.lobby-options-or |
||||
display: inline-block |
||||
position: relative |
||||
|
||||
margin: 16px 0 |
||||
color: #888 |
||||
|
||||
&:before, &:after |
||||
content: '' |
||||
width: 1px |
||||
height: 6px |
||||
position: absolute |
||||
left: 50% |
||||
margin-left: 0.1px |
||||
background: #bbb |
||||
|
||||
&:before |
||||
bottom: 100% |
||||
|
||||
&:after |
||||
top: 100% |
||||
|
||||
@ -0,0 +1,321 @@ |
||||
import io from "socket.io-client"; |
||||
import {useEffect, useState} from "react"; |
||||
import {parse as parseQueryString, stringify as stringifyQueryString} from 'query-string'; |
||||
|
||||
import {Room, Tick, Timeline} from "../types/types"; |
||||
import {Sub, useSub} from "../util/sub"; |
||||
|
||||
class Connection { |
||||
url = '/'; |
||||
|
||||
socket: SocketIOClient.Socket; |
||||
|
||||
room = new Sub<Room | null>(); |
||||
tick = new Sub<Tick | null>(); |
||||
timeline = new Sub<Timeline | null>(); |
||||
|
||||
timeSyncIntervals = [500, 1000, 3000, 5000, 10000, 30000]; |
||||
timeSyncs: { [requestId: number]: TimeSyncRequest } = {}; |
||||
timeSyncTimeoutIds: number[] = []; |
||||
timeSyncTooOld = 120000; |
||||
roomTime = new Sub<number>(); |
||||
|
||||
calls: { [id: number]: Call } = {}; |
||||
|
||||
constructor() { |
||||
this.socket = io(this.url, { |
||||
autoConnect: false |
||||
}); |
||||
|
||||
this.setupSocketListeners(); |
||||
|
||||
this.connect(); |
||||
|
||||
this.roomTime.set(0); |
||||
} |
||||
|
||||
connect() { |
||||
this.socket.connect(); |
||||
} |
||||
|
||||
setupSocketListeners() { |
||||
this.socket.on('connect', () => { |
||||
this.onConnect(); |
||||
}) |
||||
|
||||
this.socket.on('disconnect', () => { |
||||
this.onDisconnect(); |
||||
}) |
||||
|
||||
this.socket.on('time_sync', (data: any) => { |
||||
this.timeSyncResponse(data.requestId, data.clientDiff, data.serverTime); |
||||
}) |
||||
|
||||
this.socket.on('room', (data: any) => { |
||||
console.log('ROOM', data.room); |
||||
|
||||
if (data.room) { |
||||
this.setQueryLobbyId(data.room.id); |
||||
} |
||||
|
||||
this.room.set(data.room); |
||||
}); |
||||
|
||||
this.socket.on('tick_event', (data: any) => { |
||||
this.tick.set(data.tick); |
||||
}); |
||||
|
||||
this.socket.on('timeline', (data: any) => { |
||||
if (data.timeline) { |
||||
this.timeline.set(new Timeline(data.timeline)); |
||||
} else { |
||||
this.timeline.set(null); |
||||
} |
||||
}); |
||||
|
||||
this.socket.on('call_response', (data: any) => { |
||||
let call = this.calls[data.id]; |
||||
if (!call) return; |
||||
|
||||
if (data.error) { |
||||
call.callback(data.error, null); |
||||
} else { |
||||
call.callback(null, data.response); |
||||
} |
||||
}); |
||||
} |
||||
|
||||
onConnect() { |
||||
this.startTimeSync(); |
||||
|
||||
let lobbyId = this.getQueryLobbyId(); |
||||
if (lobbyId) { |
||||
this.requestJoin(lobbyId).then(v => { |
||||
if (!v) { |
||||
this.setQueryLobbyId(null); |
||||
} |
||||
}) |
||||
} else { |
||||
this.requestJoinRandom(); |
||||
} |
||||
} |
||||
|
||||
onDisconnect() { |
||||
this.stopTimeSync(); |
||||
} |
||||
|
||||
private getQueryLobbyId(): number | null { |
||||
let query = parseQueryString(window.location.search); |
||||
if (query.lobby) { |
||||
let lobbyId = Number.parseInt(query.lobby.toString()); |
||||
if (Number.isSafeInteger(lobbyId) && lobbyId > 0) { |
||||
return lobbyId |
||||
} |
||||
} |
||||
return null; |
||||
} |
||||
|
||||
private setQueryLobbyId(lobbyId: number | null) { |
||||
let query = parseQueryString(window.location.search); |
||||
if (lobbyId) { |
||||
query.lobby = lobbyId.toString(); |
||||
} else { |
||||
delete query.lobby; |
||||
} |
||||
console.log('QUERY', query); |
||||
let newUrl = window.location.protocol + "//" + window.location.host + |
||||
window.location.pathname + (Object.keys(query).length ? ('?' + stringifyQueryString(query)) : ''); |
||||
window.history.pushState({}, '', newUrl); |
||||
} |
||||
|
||||
async call(name: string, params: any) { |
||||
return new Promise<any>((resolve, reject) => { |
||||
let callback = (err: any, res: any) => { |
||||
if (err) { |
||||
return reject(err); |
||||
} |
||||
|
||||
resolve(res); |
||||
}; |
||||
|
||||
let call = new Call(name, params, callback); |
||||
this.calls[call.id] = call; |
||||
this.socket.emit('call', call.id, name, params); |
||||
}); |
||||
} |
||||
|
||||
requestStart() { |
||||
this.socket.emit('request_start'); |
||||
} |
||||
|
||||
async requestJoin(roomId: number): Promise<boolean> { |
||||
return this.call('room_exists', {roomId: roomId}).then(v => { |
||||
if (v) { |
||||
this.socket.emit('request_join', roomId); |
||||
return true; |
||||
} else { |
||||
return false; |
||||
} |
||||
}) |
||||
} |
||||
|
||||
requestJoinRandom() { |
||||
this.socket.emit('request_join_random'); |
||||
} |
||||
|
||||
startTimeSync() { |
||||
for (let i = 0; i < this.timeSyncIntervals.length; i++) { |
||||
let timeoutId = setTimeout(() => { |
||||
this.sendTimeSync(i === this.timeSyncIntervals.length - 1); |
||||
}, this.timeSyncIntervals[i]); |
||||
// @ts-ignore
|
||||
this.timeSyncTimeoutIds.push(timeoutId); |
||||
} |
||||
} |
||||
|
||||
stopTimeSync() { |
||||
for (let i = 0; i < this.timeSyncTimeoutIds.length; i++) { |
||||
clearTimeout(this.timeSyncTimeoutIds[i]); |
||||
} |
||||
} |
||||
|
||||
sendTimeSync(alsoSchedule: boolean) { |
||||
let sync = new TimeSyncRequest(); |
||||
this.socket.emit('time_sync', sync.requestId, Date.now()); |
||||
this.timeSyncs[sync.requestId] = sync; |
||||
|
||||
if (alsoSchedule) { |
||||
setTimeout(() => { |
||||
this.sendTimeSync(true); |
||||
}, this.timeSyncIntervals[this.timeSyncIntervals.length - 1]); |
||||
} |
||||
} |
||||
|
||||
timeSyncResponse(requestId: number, clientDiff: number, serverTime: number) { |
||||
let syncReq = this.timeSyncs[requestId]; |
||||
if (!syncReq) return; |
||||
syncReq.response(clientDiff, serverTime); |
||||
|
||||
for (let i in this.timeSyncs) { |
||||
if (this.timeSyncs[i].start < Date.now() - this.timeSyncTooOld) { |
||||
delete this.timeSyncs[i]; |
||||
break; |
||||
} |
||||
} |
||||
// console.log(this.timeSyncs);
|
||||
// console.log('SERVER TIME', this.serverTimeOffset());
|
||||
|
||||
this.roomTime.set(roomTime()); |
||||
} |
||||
|
||||
serverTime(): number { |
||||
return Date.now() + this.serverTimeOffset(); |
||||
} |
||||
|
||||
serverTimeOffset(): number { |
||||
let num = 0; |
||||
let sum = 0; |
||||
for (let i in this.timeSyncs) { |
||||
let sync = this.timeSyncs[i]; |
||||
if (!sync.ready) continue; |
||||
sum += sync.offset; |
||||
num += 1; |
||||
} |
||||
|
||||
if (num === 0) { |
||||
return 0; |
||||
} |
||||
|
||||
return Math.round(sum / num); |
||||
} |
||||
} |
||||
|
||||
let _callId = 0; |
||||
|
||||
class Call { |
||||
id: number; |
||||
name: string; |
||||
params: any; |
||||
callback: (err: any, res: any) => any; |
||||
|
||||
constructor(name: string, params: any, callback: (err: any, res: any) => void) { |
||||
this.name = name; |
||||
this.params = params; |
||||
this.id = _callId++; |
||||
this.callback = callback; |
||||
} |
||||
} |
||||
|
||||
let _timeSyncId = 0; |
||||
|
||||
class TimeSyncRequest { |
||||
requestId: number; |
||||
start: number; |
||||
offset: number = 0; |
||||
ready = false; |
||||
|
||||
constructor() { |
||||
this.requestId = _timeSyncId++; |
||||
this.start = Date.now(); |
||||
} |
||||
|
||||
response(clientDiff: number, serverTime: number) { |
||||
this.ready = true; |
||||
let now = Date.now(); |
||||
|
||||
let lag = now - this.start; |
||||
this.offset = serverTime - now + lag / 2; |
||||
// console.log('TIME SYNC', 'cdiff:', clientDiff, 'lag:',
|
||||
// lag, 'diff:', serverTime - now, 'offset:', this.offset);
|
||||
} |
||||
} |
||||
|
||||
let connection: Connection = new Connection(); |
||||
// @ts-ignore
|
||||
window['connection'] = connection; |
||||
export default connection; |
||||
|
||||
export function useRoom(): Room | null { |
||||
return useSub(connection.room); |
||||
} |
||||
|
||||
export function useRoomRunningChanged(): Room | null { |
||||
return useSub(connection.room, (v) => [v && v.running]); |
||||
} |
||||
|
||||
export function useTimeline(): Timeline | null { |
||||
return useSub(connection.timeline); |
||||
} |
||||
|
||||
export function useTick(): Tick | null { |
||||
return useSub(connection.tick); |
||||
} |
||||
|
||||
export function useRoomTime(): number { |
||||
return useSub(connection.roomTime); |
||||
} |
||||
|
||||
export function roomTime(): number { |
||||
let room = connection.room.get(); |
||||
if (!room) return 0; |
||||
return connection.serverTime() - room.startTime; |
||||
} |
||||
|
||||
export function useIsConnected() { |
||||
const [isConnected, setIsConnected] = useState(connection.socket.connected); |
||||
|
||||
useEffect(() => { |
||||
let connectListener = () => setIsConnected(true); |
||||
let disconnectListener = () => setIsConnected(false); |
||||
|
||||
connection.socket.on('connect', connectListener); |
||||
connection.socket.on('disconnect', disconnectListener); |
||||
|
||||
return () => { |
||||
connection.socket.off('connect', connectListener); |
||||
connection.socket.off('disconnect', disconnectListener); |
||||
} |
||||
}, [isConnected]); |
||||
|
||||
return isConnected; |
||||
} |
||||
@ -0,0 +1,11 @@ |
||||
import {useEffect, useState} from "react"; |
||||
|
||||
export function useUpdateAfterDelay(delay: number) { |
||||
const [_, timedUpdateSet] = useState(0); |
||||
useEffect(() => { |
||||
let timeoutId = setTimeout(() => { |
||||
timedUpdateSet(v => v + 1); |
||||
}, delay); |
||||
return () => clearTimeout(timeoutId) |
||||
}) |
||||
} |
||||
@ -0,0 +1,40 @@ |
||||
import {useEffect, useState} from "react"; |
||||
|
||||
export class Sub<T> { |
||||
_listeners: ((obj: T) => void)[] = []; |
||||
_current: any = null; |
||||
|
||||
subscribe(listener: any) { |
||||
if (this._listeners.indexOf(listener) < 0) { |
||||
this._listeners.push(listener); |
||||
} |
||||
} |
||||
|
||||
unsubscribe(listener: any) { |
||||
let index = this._listeners.indexOf(listener); |
||||
if (index >= 0) { |
||||
this._listeners.splice(index, 1); |
||||
} |
||||
} |
||||
|
||||
get() { |
||||
return this._current; |
||||
} |
||||
|
||||
set(obj: T) { |
||||
this._current = obj; |
||||
this._listeners.forEach(cb => cb(obj)); |
||||
} |
||||
} |
||||
|
||||
export function useSub<T>(sub: Sub<T>, effectChanges: ((v: T) => any[]) | null = null): T { |
||||
const [currentState, stateSetter] = useState(sub.get()); |
||||
|
||||
useEffect(() => { |
||||
let listener = (obj: T) => stateSetter(obj); |
||||
sub.subscribe(listener); |
||||
return () => sub.unsubscribe(listener); |
||||
}, effectChanges ? effectChanges(currentState) : []); |
||||
|
||||
return currentState; |
||||
} |
||||
Loading…
Reference in new issue