map.java

坦克游戏

import javax.microedition.lcdui.*;
import java.io.*;

public class Map
{
	byte[][] mapdata;
	final int MAP_HEIGHT;
	final int MAP_WIDTH;
	int mapX,mapY;
	public Map()
	{
		try
		{
			InputStream is = getClass().getResourceAsStream("/1.dat");
			
			int _w = is.read();
			int _h = is.read();
			
			mapdata = new byte[_h][_w];
			
			for(int i = 0; i < _h; i++)
			{
				byte[] _b = new byte[_w];
				is.read(_b);
				mapdata[i] = _b;
			}
		}catch(Exception e)
		{
			System.out.println("io file");
		}
		mapImage = Image.createImage(mapdata[0].length * 16, mapdata.length * 16);
		MAP_HEIGHT = mapImage.getHeight();
		MAP_WIDTH = mapImage.getWidth();
	}
	Image mapImage;
	public void createMap()
	{
		Image icon = null;
		try
		{
			icon = Image.createImage("/100.png");
		}
		catch(Exception e)
		{
			System.out.println("mapImage not find");
		}
		
		for(int i = 0; i < mapdata.length; i++)
		{
			for(int j = 0; j < mapdata[i].length; j++)
			{
				Graphics g = mapImage.getGraphics();
				g.translate(j * 16, i * 16);
				g.setClip(0, 0, 16, 16);
				g.drawImage(icon, mapdata[i][j] * (-16), 0, 0);
			}
		}
	}
}