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紙牌炸金花(PHP版)

扎金花兩副牌的比較規則就不說了,註明一下是順子的時候 : JQK < A23 < QKA

思路:

1" 隨機生成兩幅牌,每副牌結構為

    array(  
        array('Spade','K'),  
        array('Club','6'),  
        array('Spade','J'),  
    )  

2” 計算每副牌的分值:每副牌有個原始大小(即排除對子,順子,金花,順金,筒子的大小),再

    每張牌的分值為一個2位數,不足2位的補前導0,例如'A':14,‘10’:10,’2‘:’02‘,’k‘:13,’7‘:07

    將3張牌按點數大小排序(從大到小),湊成一個6位數。例如’A27':140702,‘829’:090802,‘JK8’:131108,‘2A10’:141002

    例外,對於對子要將對子的位數放在前兩位(後面會看到為什麼這麼做)。例如‘779’:070709,‘7A7’:070714,‘A33’:030314

   現在的分值是一個6位數,將對子設為一個原始值加上10*100000的值,現在為一個7位數。例如‘779’:1070709,‘7A7’:1070714,‘A33’:1030314

   對於順子,將結果加上20*100000.。例如‘345’:2050403,‘QKA’:2141312,‘23A’:2140302

   對於金花,將結果加上30*100000。例如‘Spade K,Spade 6,Spade J':3131106

   因為順金的時候其實是金花和順子的和,所以順金應該是50*10000。 例如‘Spade 7,Spade 6,Spade 8':5080706

   對於筒子,將結果加上60*100000。例如’666‘:6060606,’JJJ‘:6111111

3“ 比較兩幅牌的大小(用所計算的分值來比較)

就這麼簡單!!

<?php
class PlayCards
{
	public $suits = array('Spade', 'Heart', 'Diamond', 'Club');
	public $figures = array('2', '3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K', 'A');
	public $cards = array();
	public function __construct()
	{
		$cards = array();
		foreach($this->suits as $suit){
			foreach($this->figures as $figure){
				$cards[] = array($suit,$figure);
			}
		}
		$this->cards = $cards;
	}
	public function getCard()
	{
		shuffle($this->cards);
		//生成3張牌
		return array(array_pop($this->cards), array_pop($this->cards), array_pop($this->cards));	

	}
	public function compareCards($card1,$card2)
	{
		$score1 = $this->ownScore($card1);
		$score2 = $this->ownScore($card2);
		if($score1 > $score2) return 1;
		elseif($score1 < $score2) return -1;
		return 0;		
	}
	
	
	private function ownScore($card)
	{
		$suit = $figure = array();
		foreach($card as $v){
			$suit[] = $v[0];
			$figure[] = array_search($v[1],$this->figures)+2;
		}
		//補齊前導0
		for($i = 0; $i < 3; $i++){
			$figure[$i] = str_pad($figure[$i],2,'0',STR_PAD_LEFT);
		}
		rsort($figure);
		//對於對子做特殊處理
		if($figure[1] == $figure[2]){
			$temp = $figure[0];
			$figure[0] = $figure[2];
			$figure[2] = $temp;
		}
		$score = $figure[0].$figure[1].$figure[2];
		//筒子 60*100000
		if($figure[0] == $figure[1] && $figure[0] == $figure[2]){
			$score += 60*100000;
		}
		//金花 30*100000
		if($suit[0] == $suit[1] && $suit[0] == $suit[2]){
			$score += 30*100000;
		}
		//順子 20*100000
		if($figure[0] == $figure[1]+1 && $figure[1] == $figure[2]+1 || implode($figure) =='140302'){
			$score += 20*100000;
		}
		//對子 10*100000
		if($figure[0] == $figure[1] && $figure[1] != $figure[2]){

			$score += 10*100000;
		}
		return $score;
	}
}

//test
$playCard = new PlayCards();
$card1 = $playCard->getCard();
$card2 = $playCard->getCard();
$result = $playCard->compareCards($card1,$card2);

echo 'card1 is ',printCard($card1),'<br/>';
echo 'card2 is ',printCard($card2),'<br/>';
$str = 'card1 equit card2';
if($result == 1) $str =  'card1 is larger than card2';
elseif($result == -1) $str = 'card1 is smaller than card2';
echo $str;


function printCard($card)
{
	$str = '(';
	foreach($card as $v){
		$str .= $v[0].$v[1].',';
	}
	return trim($str,',').')';
}
?>