librejack

commit c581e017adefe4b7214895aaf8ecd6ae6569522d
parent 5550c16ba822a44c547fd8769f4f0e3181e5f328
Author: Michael Neuper <73108749+michaelneuper@users.noreply.github.com>
Date:   Fri, 15 Jul 2022 23:55:16 +0200

create Deck.java

Diffstat:
A
src/model/Deck.java
 | 
118
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 118 insertions(+), 0 deletions(-)
diff --git a/src/model/Deck.java b/src/model/Deck.java
@@ -0,0 +1,117 @@
+package model;
+
+import java.util.ArrayList;
+import java.util.Random;
+
+import model.Card.Rank;
+import model.Card.Suit;
+
+/**
+ * Holds multiple cards and performs operations such as shuffling the deck
+ * @author michael
+ */
+public class Deck {
+    
+    private ArrayList<Card> deck;
+   
+    /**
+     * Deck constructor
+     */
+    public Deck() {
+        this.deck = new ArrayList<Card>();
+    }
+    
+    /**
+     * Method that populates deck with 52 cards
+     * by looping over each rank and value
+     */
+    public void populate() {
+        for(Suit cardSuit : Suit.values()) {
+            for (Rank cardRank : Rank.values()) {
+                // adds a new card to the deck
+                this.deck.add(new Card(cardSuit, cardRank));
+            }
+        }
+    }
+    
+    /**
+     * Method that shuffles the deck
+     */
+    public void shuffle() {
+        ArrayList<Card> shufDeck = new ArrayList<Card>(); // temporary deck for storing cards in random order
+
+        Random random = new Random();
+        int randomCardIndex = 0;
+        int originalSize = this.deck.size();
+        for(int i = 0; i < originalSize; i++) {
+            // Generate random index
+            /* 
+                Formula for generating random number:
+                = random.nextInt((max - min) + 1) + min
+                = random.nextInt(((deckSize - 1) - 0) + 1) + 0
+            */
+            randomCardIndex = random.nextInt(this.deck.size());
+            shufDeck.add(this.deck.get(randomCardIndex)); // add card to random index of temporary deck
+            this.deck.remove(randomCardIndex); // remove card from original deck
+        }
+
+        this.deck = shufDeck;
+    }
+
+    /**
+     * Method to draw card from one deck to another
+     * @param comingFromDeck deck the card comes from
+     */
+    public void draw(Deck comingFromDeck) {
+        this.deck.add(comingFromDeck.getCard(0));
+        comingFromDeck.removeCard(0);
+    }
+
+    /**
+     * Method to remove a card from the deck
+     * @param i index of card to be removed
+     */
+    public void removeCard(int i) {
+        this.deck.remove(i);
+    }
+
+    /**
+     * Method to return the value of a card at a paticular index
+     * @param i index of card to be returned
+     * @return card at index i
+     */
+    public Card getCard(int i) {
+        return this.deck.get(i);
+    }
+
+    /**
+     * Method to add a card to a hand
+     * @param addCard
+     */
+    public void addCard(Card addCard) {
+        this.deck.add(addCard);
+    }
+
+    /**
+     * Method to take a copy of the first card from the deck,
+     * remove the card from the deck
+     * and return the card
+     * @return card 
+     */
+    public Card takeCard() {
+        Card cardToTake = new Card(deck.get(0));
+        deck.remove(0);
+        return cardToTake;
+    }
+
+    @Override
+    public String toString() {
+        String output = "";
+        byte i = 0;
+        for (Card aCard : this.deck) {
+            output += "\n" + i + "-" + aCard.toString();
+            ++i;
+        }
+        return output;
+    }
+}
+\ No newline at end of file