2022-12-30 13:28:28 +01:00
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document.addEventListener("alpine:init", () => {
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Alpine.store("remoteState", {
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players: [],
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interval: null,
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2022-12-30 13:28:28 +01:00
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currentPlayer: null,
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lastPlayerSwitch: null,
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connected: false,
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isMyTurn: false,
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2023-01-05 10:22:17 +01:00
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_client: null,
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_currentPlayerTopic: null,
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_gameStateTopic: null,
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2023-01-05 12:58:08 +01:00
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_lastGameState: null,
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2022-12-30 13:28:28 +01:00
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init() {
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Alpine.effect(() => {
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if (
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this.connected &&
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Object.keys(this.players).indexOf(Alpine.store("localState").id) ===
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-1
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) {
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2023-01-05 12:42:04 +01:00
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this._updatePlayers({
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[Alpine.store("localState").id]: Alpine.store("localState").name,
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...this.players
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});
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2022-12-30 13:28:28 +01:00
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}
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});
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Alpine.effect(() => {
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if (this.currentPlayer == Alpine.store("localState").id) {
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this.isMyTurn = true;
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2023-01-05 10:22:17 +01:00
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Alpine.store("audio").playDing();
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2022-12-30 13:28:28 +01:00
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} else {
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this.isMyTurn = false;
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}
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});
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Alpine.effect(() => {
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if (
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Alpine.store("localState").nextPlayer == null ||
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Alpine.store("localState").nextPlayer ==
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Alpine.store("localState").id ||
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!Object.keys(this.players).includes(
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Alpine.store("localState").nextPlayer
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)
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) {
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const players = Object.keys(this.players).sort();
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const nextPlayer =
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players[
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(players.indexOf(Alpine.store("localState").id) + 1) %
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players.length
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];
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Alpine.store("localState").nextPlayer = nextPlayer;
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}
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});
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2023-01-05 12:58:08 +01:00
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Alpine.effect(() => {
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if (this.connected) {
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this.updateInterval(this.interval);
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}
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});
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2022-12-30 13:28:28 +01:00
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},
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connect() {
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const that = this;
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const url = "wss://broker.emqx.io:8084/mqtt";
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const topicPrefix = `im.dorian.whos-turn-is-it.${btoa(Alpine.store(
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"localState"
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).room)}`;
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this._gameStateTopic = `${topicPrefix}.gameState`;
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this._currentPlayerTopic = `${topicPrefix}.currentPlayer`;
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2022-12-30 13:28:28 +01:00
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const options = {
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// Clean session
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clean: true,
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connectTimeout: 4000,
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// Authentication
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clientId: Alpine.store("localState").id,
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};
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this._client = mqtt.connect(url, options);
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this._client.on("connect", () => {
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setTimeout(() => {
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if(!that.connected) {
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// reset game if not connected after 5 seconds
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that.clear();
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}
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}, 1000 * 5);
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that._client.subscribe(that._gameStateTopic);
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that._client.subscribe(that._currentPlayerTopic);
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});
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this._client.on("message", (topic, message) => {
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// message is Buffer
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console.log(topic, message.toString());
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if (topic === that._gameStateTopic) {
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const data = JSON.parse(message.toString());
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if (!that.connected) {
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that.connected = true;
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}
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that._lastGameState = data;
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that.players = data.players;
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that.interval = data.interval;
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} else if (topic === that._currentPlayerTopic) {
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const data = JSON.parse(message.toString());
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that.currentPlayer = data.id;
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that.lastPlayerSwitch = data.since;
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2022-12-29 17:19:36 +01:00
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}
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});
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},
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giveTurnToNextPlayer() {
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this._updateCurrentPlayer(Alpine.store("localState").nextPlayer);
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},
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disconnect() {
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this._client.end(true);
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this._client = null;
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this.players = [];
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this.currentPlayer = null;
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this.lastPlayerSwitch = null;
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this.connected = false;
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this.isMyTurn = false;
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this._gameStateTopic = null;
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this._currentPlayerTopic = null;
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Alpine.store("localState").nextPlayer = null;
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2022-12-30 13:28:28 +01:00
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},
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clear() {
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2023-01-05 12:42:04 +01:00
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this._updatePlayers({
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[Alpine.store("localState").id]: Alpine.store("localState").name,
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});
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this._updateCurrentPlayer(Alpine.store("localState").id);
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},
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2023-01-05 12:58:08 +01:00
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updateInterval(interval) {
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this._updateGameState(this.players, interval);
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},
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_updatePlayers(players) {
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if(!this.interval) {
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this.interval = 30;
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}
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this._updateGameState(players, this.interval);
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},
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_updateGameState(players, interval) {
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const newGameState = {
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version: 1,
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players: players,
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interval: interval,
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}
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if(this._lastGameState && JSON.stringify(this._lastGameState) === JSON.stringify(newGameState)) return;
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this._client.publish(
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this._gameStateTopic,
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JSON.stringify(newGameState),
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{ qos: 1, retain: true }
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);
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},
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_updateCurrentPlayer(id) {
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this._client.publish(
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this._currentPlayerTopic,
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JSON.stringify({
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id: id,
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since: new Date().getTime(),
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}),
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{ qos: 1, retain: true }
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);
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}
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2022-12-30 13:28:28 +01:00
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});
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2023-01-05 12:23:15 +01:00
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});
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