wall.java

a java game code for java

/**
 * Title:        吃豆子<p>
 * Description:  小游戏<p>
 * Copyright:    Copyright (c) Nothing<p>
 * Company:      Raindrop<p>
 * @author Nothing
 * @version 1.0
 */
package eatbean;

import java.awt.*;
import java.util.*;
//
import eatbean.util.ImageTool;

public class Wall extends MapElement {
	public static final int BASE_NUM = 100;
	public static final int STYLE_B_2     = BASE_NUM + 1;
	public static final int STYLE_H_2     = BASE_NUM + 2;
	public static final int STYLE_H_B_3   = BASE_NUM + 3;
	public static final int STYLE_H_T_3   = BASE_NUM + 4;
	public static final int STYLE_L_2     = BASE_NUM + 5;
	public static final int STYLE_L_B_2   = BASE_NUM + 6;
	public static final int STYLE_L_T_2   = BASE_NUM + 7;
	public static final int STYLE_R_2     = BASE_NUM + 8;
	public static final int STYLE_R_B_2   = BASE_NUM + 9;
	public static final int STYLE_R_T_2   = BASE_NUM + 10;
	public static final int STYLE_T_2     = BASE_NUM + 11;
	public static final int STYLE_V_2     = BASE_NUM + 12;
	public static final int STYLE_V_L_3   = BASE_NUM + 13;
	public static final int STYLE_V_R_3   = BASE_NUM + 14;
	public static final int STYLE_C_1     = BASE_NUM + 15;
	private static Hashtable styleTable = new Hashtable();
	static {
		styleTable.put(new Integer(STYLE_B_2), "wb2.gif");
		styleTable.put(new Integer(STYLE_H_2), "wh2.gif");
		styleTable.put(new Integer(STYLE_H_B_3), "whb3.gif");
		styleTable.put(new Integer(STYLE_H_T_3), "wht3.gif");
		styleTable.put(new Integer(STYLE_L_2), "wl2.gif");
		styleTable.put(new Integer(STYLE_L_B_2), "wlb2.gif");
		styleTable.put(new Integer(STYLE_L_T_2), "wlt2.gif");
		styleTable.put(new Integer(STYLE_R_2), "wr2.gif");
		styleTable.put(new Integer(STYLE_R_B_2), "wrb2.gif");
		styleTable.put(new Integer(STYLE_R_T_2), "wrt2.gif");
		styleTable.put(new Integer(STYLE_T_2), "wt2.gif");
		styleTable.put(new Integer(STYLE_V_2), "wv2.gif");
		styleTable.put(new Integer(STYLE_V_L_3), "wvl3.gif");
		styleTable.put(new Integer(STYLE_V_R_3), "wvr3.gif");
		styleTable.put(new Integer(STYLE_C_1), "c1.gif");
	}

	private Image img = null;
	private static Hashtable imgBuffTable = new Hashtable();

	public Wall(int style, int x, int y) {
		super(style, x, y);
		img = getImage(style);
	}
	public void parseWidthAndHeight() {
		width = ELEMENT_MAX_SIZE;
		height = ELEMENT_MAX_SIZE;
	}
	public void draw(OffScreen offScreen) {
		if(img == null) return;
		offScreen.drawImage(img, x, y);
	}
	private Image getImage(int imgIndex) {
		Image result = null;
		synchronized(imgBuffTable) {    //  同步,保证同一个Image不被调入内存两次
			result = super.getImage(imgBuffTable, styleTable, imgIndex);
		}
		return result;
	}
}