packofcards.java

一个J2ME编写的牌类游戏

package de.tsr.jsol.logic;
import java.util.*;


public class PackOfCards {
	private Stack _cards;
	private Stack _distributedCards;
	
	public PackOfCards() {
		_cards = new Stack();
		_distributedCards = new Stack();
		
		_cards.addElement( new Card( Card.HEARTS, Card.ACE ) );
		_cards.addElement( new Card( Card.HEARTS, Card.TWO ) );
		_cards.addElement( new Card( Card.HEARTS, Card.THREE ) );
		_cards.addElement( new Card( Card.HEARTS, Card.FOUR ) );
		_cards.addElement( new Card( Card.HEARTS, Card.FIVE ) );
		_cards.addElement( new Card( Card.HEARTS, Card.SIX ) );
		_cards.addElement( new Card( Card.HEARTS, Card.SEVEN ) );
		_cards.addElement( new Card( Card.HEARTS, Card.EIGHT ) );
		_cards.addElement( new Card( Card.HEARTS, Card.NINE ) );
		_cards.addElement( new Card( Card.HEARTS, Card.TEN ) );
		_cards.addElement( new Card( Card.HEARTS, Card.JACK ) );
		_cards.addElement( new Card( Card.HEARTS, Card.QUEEN ) );
		_cards.addElement( new Card( Card.HEARTS, Card.KING ) );
		
		_cards.addElement( new Card( Card.SPADES, Card.ACE ) );
		_cards.addElement( new Card( Card.SPADES, Card.TWO ) );
		_cards.addElement( new Card( Card.SPADES, Card.THREE ) );
		_cards.addElement( new Card( Card.SPADES, Card.FOUR ) );
		_cards.addElement( new Card( Card.SPADES, Card.FIVE ) );
		_cards.addElement( new Card( Card.SPADES, Card.SIX ) );
		_cards.addElement( new Card( Card.SPADES, Card.SEVEN ) );
		_cards.addElement( new Card( Card.SPADES, Card.EIGHT ) );
		_cards.addElement( new Card( Card.SPADES, Card.NINE ) );
		_cards.addElement( new Card( Card.SPADES, Card.TEN ) );
		_cards.addElement( new Card( Card.SPADES, Card.JACK ) );
		_cards.addElement( new Card( Card.SPADES, Card.QUEEN ) );
		_cards.addElement( new Card( Card.SPADES, Card.KING ) );
		
		_cards.addElement( new Card( Card.DIAMONDS, Card.ACE ) );
		_cards.addElement( new Card( Card.DIAMONDS, Card.TWO ) );
		_cards.addElement( new Card( Card.DIAMONDS, Card.THREE ) );
		_cards.addElement( new Card( Card.DIAMONDS, Card.FOUR ) );
		_cards.addElement( new Card( Card.DIAMONDS, Card.FIVE ) );
		_cards.addElement( new Card( Card.DIAMONDS, Card.SIX ) );
		_cards.addElement( new Card( Card.DIAMONDS, Card.SEVEN ) );
		_cards.addElement( new Card( Card.DIAMONDS, Card.EIGHT ) );
		_cards.addElement( new Card( Card.DIAMONDS, Card.NINE ) );
		_cards.addElement( new Card( Card.DIAMONDS, Card.TEN ) );
		_cards.addElement( new Card( Card.DIAMONDS, Card.JACK ) );
		_cards.addElement( new Card( Card.DIAMONDS, Card.QUEEN ) );
		_cards.addElement( new Card( Card.DIAMONDS, Card.KING ) );

		_cards.addElement( new Card( Card.CLUBS, Card.ACE ) );
		_cards.addElement( new Card( Card.CLUBS, Card.TWO ) );
		_cards.addElement( new Card( Card.CLUBS, Card.THREE ) );
		_cards.addElement( new Card( Card.CLUBS, Card.FOUR ) );
		_cards.addElement( new Card( Card.CLUBS, Card.FIVE ) );
		_cards.addElement( new Card( Card.CLUBS, Card.SIX ) );
		_cards.addElement( new Card( Card.CLUBS, Card.SEVEN ) );
		_cards.addElement( new Card( Card.CLUBS, Card.EIGHT ) );
		_cards.addElement( new Card( Card.CLUBS, Card.NINE ) );
		_cards.addElement( new Card( Card.CLUBS, Card.TEN ) );
		_cards.addElement( new Card( Card.CLUBS, Card.JACK ) );
		_cards.addElement( new Card( Card.CLUBS, Card.QUEEN ) );
		_cards.addElement( new Card( Card.CLUBS, Card.KING ) );

	}
	
	public void Shuffle() {
		Shuffle(5);
	}
	
	protected void Shuffle( int shuffleTimes ) {
		for( int n = 0; n<shuffleTimes; n++) {
			Stack order = new Stack();
			Random r = new Random();
			while( _cards.size() > 0 ) {
				int rand = r.nextInt();
				if( rand < 0 ) {
					continue;
				}
				rand = rand % _cards.size();
				Object o = _cards.elementAt( rand );
				_cards.removeElement(o);
				order.push( o );
			}
			_cards = order;		
		}
	}
	
	public boolean HasMoreCards() {
		return ! _cards.empty();		
	}
	
	public Card GetCard() {
		return (Card)_cards.pop();
	}
}