warmap.java.bak

一个用Java开发的射击类游戏

import javax.microedition.lcdui.Image;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.game.Sprite;
import javax.microedition.lcdui.game.GameCanvas;
import java.io.IOException;

public class WarMap extends GameCanvas implements Runnable
{
	//********************************全局静态变量
	public	static			int	WIDTH = 0;
	public	static			int	HEIGHT = 0;
	public	static final	int	WAR_FIELD_LEFT = 20;
	public	static final	int	WAR_FIELD_TOP = 20;
	public	static final	int	WAR_FIELD_WIDTH = 120;
	public	static final	int	WAR_FIELD_HEIGHT = 160;
	public	static final	int	ACTOR_WIDTH = 24;
	public	static final	int	ACTOR_HEIGHT = 32;
	public	static final	int	H_NUMBER = WAR_FIELD_WIDTH/ACTOR_WIDTH;
	public	static final	int	V_NUMBER = WAR_FIELD_HEIGHT/ACTOR_HEIGHT;
	public	static final	int	DISPLAY_TIME = 100;
	public	static final	int	MAX_WALL_NUMBER = 10;

	//********************************全局非静态变量
	private MainSelect	mainSelect = null;
	//循环控制器
	private boolean		stop = false;
	//现在的状态——布墙(false)战争(true)
	//private boolean	isWarTime = false;

	//主角
	//private Sprite		actorSprite = null;
	//主角方向状态——上(0)下(1)左(2)右(3)
	//private int	currentDirectStatus = 0;
	//private int	lastDirectStatus = 0;
	//主角现在坐标
	private int	currentX = 0, currentY = 0;
	//主角现在的帧
	//private int	currentFrame = 0;
	
	//wall变量
	private WallManager	wallManager = null;
	private Image	wallImage = null;
	

	public WarMap(MainSelect ms)
	{
		super(true);
		mainSelect		= ms;
		setFullScreenMode(true);
		WIDTH			= getWidth();//240
		HEIGHT			= getHeight();//309
		
		initSprite();		
		new Thread(this).start();
	}
	private void initSprite()
	{
		try
		{
			wallImage = Image.createImage("/wall.png");
			wallManager = new WallManager(wallImage, MAX_WALL_NUMBER);
			//Image	actorImage = Image.createImage("/actor.png");
			//actorSprite = new Sprite(actorImage, ACTOR_WIDTH, ACTOR_HEIGHT);
		}
		catch (IOException ie)
		{
		}
	}
	public void run()
	{
		Graphics	g = getGraphics();
		while(!stop)
		{
			input();
			drawScreen(g);
			flushGraphics();
			try
			{
				Thread.sleep(DISPLAY_TIME);
			}
			catch (InterruptedException ie)
			{
			}
		}
		WarMidlet.dis.setCurrent(mainSelect);
	}
	private void input()
	{
		int keyState=getKeyStates();
		//lastDirectStatus = currentDirectStatus;
		//UP
		if((keyState&GameCanvas.UP_PRESSED)!=0)
		{
			//currentDirectStatus = 0;
			if (currentY != 0)
			{
				currentY--;
			}
		}
		//DOWN
		if((keyState&GameCanvas.DOWN_PRESSED)!=0)
		{		
			//currentDirectStatus = 1;
			if (currentY != V_NUMBER - 1)
			{
				currentY++;
			}
		}
		//LEFT
		if((keyState&GameCanvas.LEFT_PRESSED)!=0)
		{		
			//currentDirectStatus = 2;
			if (currentX != 0)
			{
				currentX--;
			}
		}
		//RIGHT
		if((keyState&GameCanvas.RIGHT_PRESSED)!=0)
		{	
			//currentDirectStatus = 3;
			if (currentX != H_NUMBER - 1)
			{
				currentX++;
			}
		}
		if((keyState&GameCanvas.FIRE_PRESSED)!=0)
		{
			wallManager.addWall(currentX, currentY);
			//System.out.println("布墙完成");
		}
		//System.out.println(currentX+":"+currentY);
	}
	private void drawScreen(Graphics g)
	{
		//绘制背景
		g.setColor(0,0,0);
		g.fillRect(0,0,WIDTH,HEIGHT);
		//绘制战争区域
		g.setColor(0,255,0);
		g.fillRect(WAR_FIELD_LEFT, WAR_FIELD_TOP, WAR_FIELD_WIDTH, WAR_FIELD_HEIGHT);
		//绘制选择标记
		g.setColor(255,0,0);
		g.drawRect(WAR_FIELD_LEFT + currentX * ACTOR_WIDTH, WAR_FIELD_TOP + currentY * ACTOR_HEIGHT, ACTOR_WIDTH, ACTOR_HEIGHT);
		//绘制墙
		wallManager.updateWall(g);
	}
	/*private void drawActor(Graphics g)
	{
		actorSprite.setPosition(WAR_FIELD_LEFT + currentX * ACTOR_WIDTH, WAR_FIELD_TOP + currentY * ACTOR_HEIGHT);
		if (currentDirectStatus == 0)
		{//上
			if (currentDirectStatus != lastDirectStatus)
			{
				currentFrame = 1;
			}
			else
			{
				currentFrame = (currentFrame+1)%3;
			}
		}
		else if (currentDirectStatus == 1)
		{//下
			if (currentDirectStatus != lastDirectStatus)
			{
				currentFrame = 7;
			}
			else
			{
				currentFrame = 6 + (currentFrame - 6 + 1)%3;
			}
		}
		else if (currentDirectStatus == 2)
		{//左
			if (currentDirectStatus != lastDirectStatus)
			{
				currentFrame = 10;
			}
			else
			{
				currentFrame = 9 + (currentFrame - 9 + 1)%3;
			}
		}
		else
		{//右
			if (currentDirectStatus != lastDirectStatus)
			{
				currentFrame = 4;
			}
			else
			{
				currentFrame = 3 + (currentFrame - 3 + 1)%3;
			}
		}
		actorSprite.setFrame(currentFrame);
		actorSprite.paint(g);
	}*/
}