From 600316a94a7e40c5fef364d6f98abc3e509131ad Mon Sep 17 00:00:00 2001
From: Stefan Ritter <xeno@thehappy.de>
Date: Tue, 13 Mar 2012 11:36:26 +0100
Subject: Initial commit

---
 models/bjack.php | 258 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 258 insertions(+)
 create mode 100644 models/bjack.php

(limited to 'models/bjack.php')

diff --git a/models/bjack.php b/models/bjack.php
new file mode 100644
index 0000000..6262d44
--- /dev/null
+++ b/models/bjack.php
@@ -0,0 +1,258 @@
+<?php
+
+class BJack {
+
+	function destroySession() {
+
+		/*
+		 * Destroy the running session (logout)
+		 */
+
+		session_unset();
+		session_destroy();
+		session_write_close();
+		setcookie(session_name(), "", 0, '/');
+		session_regenerate_id(true);
+	}
+
+	function generateShuffledDeck() {
+
+		/*
+		 * shuffle() uses rand() and should satifsy our needs
+		 */
+
+		$deck = range(1, 312);
+		shuffle($deck);
+		return $deck;
+	}
+
+	function calculateChance($deck, $num, $score) {
+
+		/*
+		 * First let's see how many points are left to 21
+		 */
+
+		$pointsLeft = 21 - $score;
+
+		/*
+		 * Now we have to find out how many cards in our rest deck can break our neck
+		 */
+
+		$cardsToLose = 0;
+
+		for ($i = $num; $i <= 312; $i++) {
+			$card = $this->getCardInfo($deck[$i]);
+			$cardValue = $card[0];
+
+			if ($cardValue > $pointsLeft) {
+				$cardsToLose++;
+			}
+		}
+
+		/*
+		 * Now we now how many cards are left and how many of them can make us feel like a looser
+		 */
+
+		$cardsLeft = 312 - $num;
+		$chanceToLose = ($cardsToLose * 100) / $cardsLeft;
+
+		return $chanceToLose;
+
+	}
+
+	function sixDecksWorkaround($card) {
+
+		if ($card >= 53 && $card <= 104) {
+			$card = $card - 52;
+		} else if ($card >= 105 && $card <= 156) {
+			$card = $card - 104;
+		} else if ($card >= 157 && $card <= 208) {
+			$card = $card - 156;
+		} else if ($card >= 209 && $card <= 260) {
+			$card = $card - 208;
+		} else if ($card >= 261 && $card <= 312) {
+			$card = $card - 260;
+		}
+
+		return $card;
+
+	}
+
+	function getCardInfo($card) {
+
+		/*
+		 * Information about our card
+		 *
+		 * Array [0] = Card points
+		 * Array [1] = Card name
+		 */
+		
+		$card = $this->sixDecksWorkaround($card);
+
+		$data = array();
+
+		if ($card == "1") {
+			$data[] = 1;
+			$data[] = "Ace of Clubs";
+		} else if ($card == "2") {
+			$data[] = 1;
+			$data[] = "Ace of Spades";
+		} else if ($card == "3") {
+			$data[] = 1;
+			$data[] = "Ace of Hearts";
+		} else if ($card == "4") {
+			$data[] = 1;
+			$data[] = "Ace of Diamonds";
+		} else if ($card == "5") {
+			$data[] = 10;
+			$data[] = "King of Clubs";
+		} else if ($card == "6") {
+			$data[] = 10;
+			$data[] = "King of Spades";
+		} else if ($card == "7") {
+			$data[] = 10;
+			$data[] = "King of Hearts";
+		} else if ($card == "8") {
+			$data[] = 10;
+			$data[] = "King of Diamonds";
+		} else if ($card == "9") {
+			$data[] = 10;
+			$data[] = "Queen of Clubs";
+		} else if ($card == "10") {
+			$data[] = 10;
+			$data[] = "Queen of Spades";
+		} else if ($card == "11") {
+			$data[] = 10;
+			$data[] = "Queen of Hearts";
+		} else if ($card == "12") {
+			$data[] = 10;
+			$data[] = "Queen of Diamonds";
+		} else if ($card == "13") {
+			$data[] = 10;
+			$data[] = "Jack of Clubs";
+		} else if ($card == "14") {
+			$data[] = 10;
+			$data[] = "Jack of Spades";
+		} else if ($card == "15") {
+			$data[] = 10;
+			$data[] = "Jack of Hearts";
+		} else if ($card == "16") {
+			$data[] = 10;
+			$data[] = "Jack of Diamonds";
+		} else if ($card == "17") {
+			$data[] = 10;
+			$data[] = "Ten of Clubs";
+		} else if ($card == "18") {
+			$data[] = 10;
+			$data[] = "Ten of Spades";
+		} else if ($card == "19") {
+			$data[] = 10;
+			$data[] = "Ten of Hearts";
+		} else if ($card == "20") {
+			$data[] = 10;
+			$data[] = "Ten of Diamonds";
+		} else if ($card == "21") {
+			$data[] = 9;
+			$data[] = "Nine of Clubs";
+		} else if ($card == "22") {
+			$data[] = 9;
+			$data[] = "Nine of Spades";
+		} else if ($card == "23") {
+			$data[] = 9;
+			$data[] = "Nine of Hearts";
+		} else if ($card == "24") {
+			$data[] = 9;
+			$data[] = "Nine of Diamonds";
+		} else if ($card == "25") {
+			$data[] = 8;
+			$data[] = "Eight of Clubs";
+		} else if ($card == "26") {
+			$data[] = 8;
+			$data[] = "Eight of Spades";
+		} else if ($card == "27") {
+			$data[] = 8;
+			$data[] = "Eight of Hearts";
+		} else if ($card == "28") {
+			$data[] = 8;
+			$data[] = "Eight of Diamonds";
+		} else if ($card == "29") {
+			$data[] = 7;
+			$data[] = "Seven of Clubs";
+		} else if ($card == "30") {
+			$data[] = 7;
+			$data[] = "Seven of Spades";
+		} else if ($card == "31") {
+			$data[] = 7;
+			$data[] = "Seven of Hearts";
+		} else if ($card == "32") {
+			$data[] = 7;
+			$data[] = "Seven of Diamonds";
+		} else if ($card == "33") {
+			$data[] = 6;
+			$data[] = "Six of Clubs";
+		} else if ($card == "34") {
+			$data[] = 6;
+			$data[] = "Six of Spades";
+		} else if ($card == "35") {
+			$data[] = 6;
+			$data[] = "Six of Hearts";
+		} else if ($card == "36") {
+			$data[] = 6;
+			$data[] = "Six of Diamonds";
+		} else if ($card == "37") {
+			$data[] = 5;
+			$data[] = "Five of Clubs";
+		} else if ($card == "38") {
+			$data[] = 5;
+			$data[] = "Five of Spades";
+		} else if ($card == "39") {
+			$data[] = 5;
+			$data[] = "Five of Hearts";
+		} else if ($card == "40") {
+			$data[] = 5;
+			$data[] = "Five of Diamonds";
+		} else if ($card == "41") {
+			$data[] = 4;
+			$data[] = "Four of Clubs";
+		} else if ($card == "42") {
+			$data[] = 4;
+			$data[] = "Four of Spades";
+		} else if ($card == "43") {
+			$data[] = 4;
+			$data[] = "Four of Hearts";
+		} else if ($card == "44") {
+			$data[] = 4;
+			$data[] = "Four of Diamonds";
+		} else if ($card == "45") {
+			$data[] = 3;
+			$data[] = "Three of Clubs";
+		} else if ($card == "46") {
+			$data[] = 4;
+			$data[] = "Three of Spades";
+		} else if ($card == "47") {
+			$data[] = 4;
+			$data[] = "Three of Hearts";
+		} else if ($card == "48") {
+			$data[] = 4;
+			$data[] = "Three of Diamonds";
+		} else if ($card == "49") {
+			$data[] = 2;
+			$data[] = "Two of Clubs";
+		} else if ($card == "50") {
+			$data[] = 2;
+			$data[] = "Two of Spades";
+		} else if ($card == "51") {
+			$data[] = 2;
+			$data[] = "Two of Hearts";
+		} else if ($card == "52") {
+			$data[] = 2;
+			$data[] = "Two of Diamonds";
+		} else {
+			$data[] = 0;
+			$data[] = "Unknown card";
+		}
+
+		return $data;
+	}
+
+}
-- 
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