84 lines
1.8 KiB
JavaScript
84 lines
1.8 KiB
JavaScript
let TreasureChest = (function () {
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function Constructor (initialLoot = {}) {
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// Merge options into defaults
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let {bronze, silver, gold, loot} = Object.assign({
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bronze: 0,
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silver: 0,
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gold: 0,
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}, initialLoot);
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Object.defineProperties(this, {
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gold: {value: gold, writable: true},
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silver: {value: silver, writable: true},
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bronze: {value: bronze, writable: true}
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});
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}
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Constructor.prototype.addGold = function (qty) {
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this.gold += qty;
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return this;
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}
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Constructor.prototype.addSilver = function (qty) {
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this.silver += qty;
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return this;
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}
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Constructor.prototype.addBronze = function (qty) {
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this.bronze += qty;
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return this;
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}
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/**
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* Randomly shuffle an array
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* https://stackoverflow.com/a/2450976/1293256
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* @param {Array} array The array to shuffle
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* @return {Array} The shuffled array
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*/
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function shuffle(array) {
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let currentIndex = array.length;
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let temporaryValue, randomIndex;
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// While there remain elements to shuffle...
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while (0 !== currentIndex) {
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// Pick a remaining element...
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randomIndex = Math.floor(Math.random() * currentIndex);
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currentIndex -= 1;
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// And swap it with the current element.
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temporaryValue = array[currentIndex];
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array[currentIndex] = array[randomIndex];
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array[randomIndex] = temporaryValue;
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}
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return array;
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}
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Constructor.getRandomLoot = function () {
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let amount = [];
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for (let qty = 0; qty < 50; qty++) {
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amount.push(qty+1);
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}
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return {
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gold: shuffle(amount)[0],
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silver: shuffle(amount)[0],
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bronze: shuffle(amount)[0],
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}
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}
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Constructor.prototype.getLoot = function () {
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return `Gold: ${this.gold}, Silver: ${this.silver}, Bronze: ${this.bronze}`;
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}
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return Constructor;
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})();
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