hand.java

一个非常不错的java纸牌游戏源代码

import java.awt.*;

/**
 * Contains cards in players hand
 * 
 * @author Sam Cavenagh
 * @version 12/11/02
 * 
 * Website: http://home.pacific.net.au/~cavenagh/SH/
 * Email: [e-mail]
 */
public class Hand {
	Card hand[] = new Card[52];

	Card facedown[] = new Card[3];

	Card faceup[] = new Card[3];

	Point ontable[] = new Point[3];

	//click detection box for cards in hand
	Rectangle cardBox[] = new Rectangle[52];

	//click detection box for cards on table
	Rectangle tableBox[] = new Rectangle[3];

	SHinterface sh;

	Image back;

	Graphics g;

	public Hand(SHinterface sh, Image back, Graphics g) {
		this.sh = sh;
		this.back = back;
		this.g = g;
		ontable[0] = new Point(103, 350);
		ontable[1] = new Point(188, 350);
		ontable[2] = new Point(276, 350);

		tableBox[0] = new Rectangle(103, 350, 71, 96);
		tableBox[1] = new Rectangle(188, 350, 71, 96);
		tableBox[2] = new Rectangle(276, 350, 71, 96);
	}

	public Hand() {
	}

	//is there any cards facing up ?
	public boolean isFaceUp() {
		if (faceup[0] != null || faceup[1] != null || faceup[2] != null)
			return true;
		return false;
	}

	//is there any cards facing down ? or only 1 card facing down
	public boolean isFaceDown() {
		if (facedown[0] == null && facedown[1] == null && facedown[2] == null)
			return false;
		if (facedown[1] == null && facedown[2] == null)
			return false;
		if (facedown[0] == null && facedown[2] == null)
			return false;
		if (facedown[0] == null && facedown[1] == null)
			return false;
		return true;
	}

	public void swap(Card[] inhand, Card[] ontable) {
		for (int n = 0; n < 3; n++) {
			hand[n] = inhand[n];
			faceup[n] = ontable[n];
		}
	}

	public int mouseClick(int mouseX, int mouseY) {
		//counting number of cards in hand
		int cardCount = length();
		if (cardCount == 1) {
			for (int n = 0; n < 3; n++)
				if (tableBox[n].contains(mouseX, mouseY))
					if (selectionValid(n))
						return n;
		}
		//Checking for click inside card
		for (int n = 0; n < cardCount - 1; n++)
			if (cardBox[n].contains(mouseX, mouseY)) {
				return n;
			}
		return -1;
	}

	public boolean selectionValid(int selection) {
		if (isFaceUp()) {
			if (faceup[selection] == null)
				return false;
		} else {
			if (facedown[selection] == null)
				return false;
		}
		return true;
	}

	//Draw Cards in hand on screen
	public void showHand() {
		//counting number of cards in hand
		int cardCount = length();

		int xfactor;
		if (cardCount <= 20)
			xfactor = 450 / cardCount;
		else
			xfactor = 450 / 21;
		int shiftfactor = 38;
		if (xfactor - shiftfactor < 0)
			shiftfactor = xfactor;

		//Drawing the cards
		for (int n = 0; n < 52; n++) {
			if (hand[n] == null)
				break;

			int x = (int) (xfactor * (n + 1) - shiftfactor);
			int y = 453;

			if (n > 20) {
				x = (int) (xfactor * (n - 20) - shiftfactor);
				y = 485;
			}

			if (n > 41) {
				x = (int) (xfactor * (n - 41) - shiftfactor);
				y = 515;
			}

			hand[n].drawCard2(x, y);

			//creating cardBox

			//setting card height
			int height = 96;//default height
			if (cardCount > 22) {//if more than 22 card there must be an over lay
				//cardCount = total number of cards
				//n = where this card is in the hand, ie 0 is first
				if (n < 21 && cardCount - n - 20 > 0)
					height = 32;
				if (cardCount > 43 && n < 42)//if more than 43 card must over lay 3 times
					height = 30;
			}

			int n2 = n;

			if (n2 > 21)
				n2 = 22;
			int width = (xfactor * (n2 + 2) - shiftfactor) - x;
			if (n > 20)
				width = (int) (xfactor * (n - 19) - shiftfactor) - x;
			if (n > 41)
				width = (int) (xfactor * (n - 40) - shiftfactor) - x;

			if (width > 71)
				width = 71;
			if (n + 2 == cardCount || n == 21 || n == 42)
				width = 71;

			cardBox[n] = new Rectangle(x, y, width, height);
		}

		for (int n = 0; n < 3; n++)
			if (faceup[n] != null)
				faceup[n].drawCard(ontable[n]);
			else if (facedown[n] != null)
				g.drawImage(back, (int) ontable[n].getX(), (int) ontable[n]
						.getY(), sh);
	}

	//Add cards during dealing, this adds cards to facedown then faceup then hand
	public void deal(Card card) {
		boolean added = false;
		for (int n = 0; n < 3; n++)
			if (facedown[n] == null) {
				facedown[n] = card;
				added = true;
				break;
			}
		if (!added)
			for (int n = 0; n < 3; n++)
				if (faceup[n] == null) {
					faceup[n] = card;
					added = true;
					break;
				}
		if (!added)
			addCard(card);
	}

	//Adds card to hand, card is added to correct position 
	public void addCard(Card card) {
		for (int n = 0; n < hand.length; n++) {
			if (hand[n] == null) {
				hand[n] = card;
				break;
			} else if (hand[n].getValue() >= card.getValue()) {
				Card temp = hand[n];
				hand[n] = card;
				for (int s = length(); s >= n + 1; s--)
					if (s + 1 < 52)
						hand[s + 1] = hand[s];
				hand[n + 1] = temp;
				break;
			}
		}
	}

	//Removing card from hand then reordering hand
	public void removeCard(int cardno) {
		for (int n = cardno; n < length(); n++) {
			if (hand[n] == null)
				break;
			if (n + 1 < 52)
				hand[n] = hand[n + 1];
		}
		hand[length() - 1] = null;
	}

	public void removeAll() {
		for (int n = 0; n < 3; n++) {
			faceup[n] = null;
			facedown[n] = null;
		}
		for (int n = 0; n < 52; n++)
			hand[n] = null;

	}

	public Card getCard(int cardno) {
		return hand[cardno];
	}

	public Card getFaceUp(int cardno) {
		return faceup[cardno];
	}

	public void removeFaceUp(int cardno) {
		faceup[cardno] = null;
	}

	public void removeFaceDown(int cardno) {
		facedown[cardno] = null;
	}

	public Card getFaceDown(int cardno) {
		return facedown[cardno];
	}

	public int length() {
		int cardCount = 1;
		for (int n = 0; n < 52; n++) {
			if (hand[n] == null)
				break;
			cardCount++;
		}
		return cardCount;
	}

}