76 lines
1.6 KiB
JavaScript
76 lines
1.6 KiB
JavaScript
import {compose} from '@avocado/core';
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import {Synchronized} from '@avocado/state';
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import {Ticker} from '@avocado/timing';
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import {WorldTimePacket} from './world-time.packet';
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const MAGIC_TO_FIT_HOUR_INTO_USHORT = 2730;
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const decorate = compose(
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Synchronized,
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);
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export class WorldTime extends decorate(class {}) {
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constructor() {
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super();
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this._hour = 0;
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this._isUpdateReady = true;
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this._lastHour = 0;
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this.ticker = new Ticker(0.25);
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this.ticker.on('tick', () => {
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this._isUpdateReady = true;
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});
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}
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acceptPacket(packet) {
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if (packet instanceof WorldTimePacket) {
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this._hour = packet.data / MAGIC_TO_FIT_HOUR_INTO_USHORT;
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}
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}
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static format(time) {
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const rawHour = (time + 12) % 12;
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const hour = Math.floor(0 === Math.floor(rawHour) ? 12 : rawHour);
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const minutes = String(Math.floor((rawHour - Math.floor(rawHour)) * 60)).padStart(2, '0');
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if (time >= 12) {
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return `${hour}:${minutes} pm`;
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}
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else {
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return `${hour}:${minutes} am`;
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}
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}
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get hour() {
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return this._hour;
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}
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set hour(hour) {
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this._hour = hour;
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}
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packetsForUpdate(force) {
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const updates = [];
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if (force || this._isUpdateReady) {
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updates.push(new WorldTimePacket(
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(this._hour * MAGIC_TO_FIT_HOUR_INTO_USHORT) >> 0
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));
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}
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if (!force) {
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this._isUpdateReady = false;
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}
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return updates;
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}
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secondsPerHour() {
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return 60;
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}
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tick(elapsed) {
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this._hour += (elapsed / this.secondsPerHour());
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this._hour = this._hour % 24;
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this.ticker.tick(elapsed);
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}
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}
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