treasure.java

龙与地下城游戏（小型）的设计与实现。主要是随机产生地牢

package dungeonsanddragons.model;

import java.awt.Graphics;

/**
 * Class to represent a treasure of coint that can be picked up by the player
 * @author Sandra Nilsson
 */
public class Treasure extends Thing {

    private static String treasureImg = "img/treasure2.png";
    /**The value of the treasure*/
    private int coins;

    /**
     * Create a new treasure
     * @param value the value of this treasure
     */
    public Treasure(int value) {
        super(treasureImg);
        this.coins = value;
    }

    /**
     * 
     * @return the value of this treausre
     */
    public int getCoins() {
        return coins;
    }

    /**
     * Give this treasure to the player (and remove it from the room)
     * @param p1 the player that picks up the treasure
     */
    public void giveTo(Player p1) {
        p1.increaseTreasureValue(coins);
        currentRoom.setItem(null);
        currentRoom = null;
    }

    /**
     * Draw this treasure. Calls the draw in the super class (Showable) 
     * then it also draws the value of itself
     * @param g the graphics to draw on.
     */
    public void draw(Graphics g) {
        if (currentRoom != null) {
            super.draw(g);
            g.drawString("$" + coins, currentRoom.getX() + 30, currentRoom.getY() + 40);
        }
    }
}