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permet l'ajout des frameworks et des routes
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22107988t
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app/node_modules/cejs/application/poker.js
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333
app/node_modules/cejs/application/poker.js
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/**
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* @name CeL function for poker calculations.
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* @fileoverview 本檔案包含了撲克牌演算用的功能。
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*
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* @see https://en.wikipedia.org/wiki/Poker
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*
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* @since 2015/11/19 17:16:35
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*/
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'use strict';
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// ------------------------------------------------------------------------------------------------------------------//
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if (typeof CeL === 'function')
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CeL.run({
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name : 'application.poker',
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require : 'data.code.compatibility.|data.native.',
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code : function(library_namespace) {
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// ------------------------------------------------------------------------------------------------------//
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var
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/** {RegExp}判斷輸入 Poker_cards() 之撲克牌牌面表達規則。 */
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PATTERN_poker_card = /(10?|[2-9TJQKA])([SHDC♠♥♦♣])/g,
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/**
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* 各點數 index 值之名稱。
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*
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* 0–12. 0:2, 1:3, ...<br />
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* 7:9, 8:10, 9:Jack, 10:Queen, 11:King, 12:Ace
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*
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* @type {Array}
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*/
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value_name = '234567891JQKA'.split(''),
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/** {Object}各點數之 index 值。 */
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value_index = Object.create(null),
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/** {Array}各花色 index 值之名稱。 */
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suit_name = '♠♥♦♣'.split(''),
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/** {Object}各花色之 index 值。 */
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suit_index = Object.create(null),
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/** {Object}各牌型之基礎配分。 */
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category_score = {
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'High Card' : 100,
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'One Pair' : 200,
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'Two Pairs' : 300,
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'Three of a Kind' : 400,
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'Straight' : 500,
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'Flush' : 600,
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'Full House' : 700,
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'Four of a Kind' : 800,
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'Straight Flush' : 900,
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'Royal Flush' : 1000
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};
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// [10 - 2]: 1 → 10
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value_name[10 - 2] += 0;
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value_name.forEach(function(name, index) {
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value_index[name] = index;
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});
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value_index[1] = value_name.indexOf('A');
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// Ten
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value_index['T'] = value_name.indexOf('10');
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function set_suit_index(names) {
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if (typeof names === 'string')
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names = names.split('');
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names.forEach(function(name, index) {
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suit_index[name] = index;
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})
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}
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set_suit_index(suit_name);
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set_suit_index('SHDC');
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// ----------------------------------------------------------------
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/**
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* parse poker card.
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*
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* @param {String}hand
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* card 牌面。
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* @param {Array}values
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* value array
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* @param {Array}suits
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* suit array
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*/
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function parse(hand, values, suits) {
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var matched;
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hand = hand.toUpperCase();
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while (matched = PATTERN_poker_card.exec(hand)) {
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values.push(value_index[matched[1]]);
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suits.push(suit_index[matched[2]]);
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}
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}
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// ----------------------------------------------------------------
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/**
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* poker cards handler.
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*
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* @param {String}hand
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* cards 牌面。
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*
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* @constructor
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*/
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function Poker_cards(hand) {
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var values = this.values = [], suits = this.suits = [];
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if (hand.forEach) {
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hand.forEach(function(card) {
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parse(card, values, suits);
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});
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} else if (typeof hand === 'string') {
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parse(hand, values, suits);
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}
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}
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function to_Array() {
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return this.values.map(function(value, index) {
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return value_name[value] + suit_name[this.suits[index]];
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}, this);
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}
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function toString() {
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return this.to_Array().join(' ');
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}
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function consecutive() {
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var values = this.values;
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return values.combines_AP('consecutive')
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// 同花順和順子中A如果配上2345時當做1點
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|| values.includes(12) && values.map(function(value) {
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return value === 12 ? -1 : value;
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}).combines_AP('consecutive');
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}
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// ----------------------------------------------------------------
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// five-card deal 牌型
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// TODO: get specified category
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function category(get_rank) {
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function category_name(name) {
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var score = 0;
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if (high_card && high_card.length > 0) {
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if (get_rank && high_card.length === 1)
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// 只有一張時，直接將之配入 score，也無須登記 high_card 了。
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score = high_card[0];
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else
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_this.high_card = high_card;
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}
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// card rank
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return get_rank ? category_score[name] + score : name;
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}
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var suits = this.suits;
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if (this.suits.length !== 5)
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return;
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suits.max = suits.frequency(1);
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var max_suit = suits.max.value,
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//
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max_suit_count = suits.max.count,
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//
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values = this.values, max_value = Math.max.apply(null, values);
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// console.log(suits.max);
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if (max_suit_count === 5 && this.consecutive()) {
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if (max_value === 12)
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return category_name('Royal Flush');
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high_card.push(max_value);
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return category_name('Straight Flush');
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}
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values.max = values.frequency(1);
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var value, value_frequency = values.max,
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// Hands are ranked first by category, then by individual card
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// ranks
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// 這邊僅列出需要比較之點數，由小至大由後比起。
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// assert: 同種牌型具有相同的 high_card.length
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high_card = [], _this = this,
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//
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max_of_a_kind = value_frequency.count,
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//
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most_frequency_value = value_frequency.value;
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// console.log(value_frequency);
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if (max_of_a_kind === 4) {
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for (value in value_frequency.hash)
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if (+value !== most_frequency_value) {
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high_card.push(+value);
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// 應該就只有這一張。
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break;
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}
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high_card.push(most_frequency_value);
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return category_name('Four of a Kind');
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}
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if (max_of_a_kind === 3) {
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for (value in value_frequency.hash)
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if (+value !== most_frequency_value) {
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if (value_frequency.hash[value] === 2) {
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// [3,2]。
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high_card.push(+value, most_frequency_value);
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return category_name('Full House');
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}
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// 應該為 'Three of a Kind', [3,1,1]。
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break;
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}
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}
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if (max_suit_count === 5) {
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high_card = values.clone().sort();
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return category_name('Flush');
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}
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if (this.consecutive()) {
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high_card.push(most_frequency_value);
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return category_name('Straight');
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}
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if (max_of_a_kind === 3) {
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// assert: [3,2] 已經在 'Full House' 處理過了，
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// 因此此處應該為 [3,1,1]。
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for (value in value_frequency.hash)
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if (+value !== most_frequency_value) {
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high_card.push(+value);
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}
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high_card.push(most_frequency_value);
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return category_name('Three of a Kind');
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}
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if (max_of_a_kind === 2) {
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max_of_a_kind = [];
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// 此處應該為 [2,1,1,1] or [2,2,1]。
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for (value in value_frequency.hash) {
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if (value_frequency.hash[value] === 1)
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high_card.push(+value);
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else
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// assert: value_frequency.hash[value] === 2
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max_of_a_kind.push(+value);
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}
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if (max_of_a_kind.length === 1) {
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// 此處應該為 [2,1,1,1]。
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high_card.sort();
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high_card.push(most_frequency_value);
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return category_name('One Pair');
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}
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// 此處應該為 [2,2,1]。
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if (max_of_a_kind[0] < max_of_a_kind[1]) {
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high_card.push(max_of_a_kind[0], max_of_a_kind[1]);
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} else {
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high_card.push(max_of_a_kind[1], max_of_a_kind[2]);
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}
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return category_name('Two Pairs');
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}
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// assert: max_of_a_kind === 1
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// 'High Card'
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if (get_rank) {
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// max 會被 return
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(this.high_card = values.clone().sort()).pop();
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// assert: score ≥ 1, it's when [2,2,2,2,3]
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return most_frequency_value;
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}
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}
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/**
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* 判斷是否贏對手。
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*
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* @param {String}hand
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* cards 對手牌面。
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*
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* @returns {Boolean}wins, beats; or undefined: ties with
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*/
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function defeats(hand) {
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if (typeof hand === 'string')
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hand = new Poker_cards(hand);
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var my_category = this.category(true), category = hand
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.category(true);
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if (category !== my_category)
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return category < my_category;
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var my_high_card = this.high_card;
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if (!my_high_card)
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return;
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var index = my_high_card.length,
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// 先比牌型，再比點數 (最後花色)。
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// 先比同樣點數張數最多的牌，再比同樣點數張數少的牌。
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high_card = hand.high_card;
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if (!high_card) {
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CeL.warn(this.toString() + ', ' + hand.toString());
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CeL.warn(this);
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CeL.warn(hand);
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}
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while (index--)
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if (high_card[index] !== my_high_card[index])
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return high_card[index] < my_high_card[index];
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}
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// ---------------------------------------------------------------------------------------------------------------------------------------//
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// export.
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Poker_cards.value_name = value_name;
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Poker_cards.value_index = value_index;
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Poker_cards.suit_name = suit_name;
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Poker_cards.suit_index = suit_index;
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Poker_cards.set_suit_index = set_suit_index;
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Poker_cards.category_score = category_score;
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Poker_cards.prototype = {
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to_Array : to_Array,
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toString : toString,
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// TODO: arrange : arrange
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consecutive : consecutive,
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category : category,
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defeats : defeats
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};
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// ---------------------------------------
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return (Poker_cards// JSDT:_module_
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);
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}
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});
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