table.java

实现人和人对战的五子棋

package netversion;

import java.awt.*;
import java.awt.event.*;
import java.util.StringTokenizer;

import javax.swing.*;

public class Table extends JPanel implements GameConstant{
	private static final String serverIP = "172.17.74.93";
	private static final Color bkColor
						= new Color(81,113,158);
	private static final int TIP_SIZE = 30;
	private Image tablesImg;
	private Image tablesEnImg;
	private Image personImg;
	private int imgWidth,imgHeight;
	private int rows,cols;
	private int[][][] isOcuupiedTab;
	private Point[][] roomNumberPoint;
	//两个入口
	private Location[][][] roomEntrance;
	private MsgManager msgMan;


	//当前鼠标指示房间
	private volatile Location originPoint;
	private volatile Location curPoint;
	private volatile Location clickPoint;


	public Table(int rows,int cols){
		//未进入房间前不画指示
		this.originPoint = null;
		this.curPoint = null;

		this.rows = rows;
		this.cols = cols;
		this.tablesImg = new ImageIcon("Image/tables.jpg").getImage();
		this.tablesEnImg = new ImageIcon("Image/tablen.jpg").getImage();
		this.personImg = new ImageIcon("Image/personImg.jpg").getImage();

		imgWidth = tablesImg.getWidth(null);
		imgHeight  = tablesImg.getHeight(null);

		this.setPreferredSize(new Dimension(width(),height()));
		prepareData();
		hookEvent();

	}
	//////////////
	private void hookEvent(){

		this.addMouseMotionListener(
				new MyMouseMotionAdapter());
		this.addMouseListener(new MyMouseAdapter());

		//用于更新桌面
		new Thread(new Runnable(){
			public void run(){
				while(true){
					initOcuupiedTab();
					Table.this.paintTab();
					MyUtilities.delay(2000);
				}
			}
		}).start();

	}
	////////////

	private void prepareData(){
		this.isOcuupiedTab = new int[rows][cols][2];
		this.msgMan = new MsgManager(serverIP,7000);
		initOcuupiedTab();

		this.roomNumberPoint = new Point[rows][cols];
		this.roomEntrance = new Location[rows][cols][2];

		for(int i=0;i < rows; ++i){
			for(int j=0;j < cols; ++j){
				this.roomNumberPoint[i][j] = 
					new Point( (int)((j+0.45)*this.imgWidth),
							(int)((i+0.8)*this.imgHeight));
				//左边的入口
				this.roomEntrance[i][j][0] = 
					new Location( j*this.imgWidth+1,
							(int)(i*this.imgHeight+40),0);
				//右边的入口
				this.roomEntrance[i][j][1] = 
					new Location((int)((j+1)*this.imgWidth-TIP_SIZE-1),
							(int)(i*this.imgHeight+40),1);
			}
		}

	}
	private void initOcuupiedTab() {
		String requestTabInfo = this.msgMan.requestTabInfo();
		StringTokenizer st = new StringTokenizer(requestTabInfo,"&");

		for(int i=0;i <rows; ++i){
			for(int j=0;j <cols; ++j){
				for(int k=0;k <2; ++k){
					this.isOcuupiedTab[i][j][k] =
						Integer.valueOf(st.nextToken());
				}
			}
		}

	}
	public int width(){
		return cols*imgWidth;
	}
	public int height(){
		return rows*imgHeight;
	}
	public void paintTab(){
		paint(this.getGraphics());
	}
	public void paint(Graphics g){
		Image curImg;
		for(int i=0;i < rows; ++i){
			for(int j=0; j < cols;++j){
				curImg = (this.isOcuupiedTab[i][j][0]==OCCUPIED
						&&this.isOcuupiedTab[i][j][1]==OCCUPIED)
				?this.tablesImg:this.tablesEnImg;
				//房间图标
				g.drawImage( curImg,j*this.imgWidth, i*this.imgHeight, null);
				//房间编号
				g.setColor(Color.white);
				g.setFont(new Font("Dialog",Font.BOLD,12));
				g.drawString(String.valueOf(i*cols+j+1),
						roomNumberPoint[i][j].x,roomNumberPoint[i][j].y);

				//画入口标记和人头像
				g.setColor(bkColor);
				for(int k=0; k < 2; ++k){
					g.draw3DRect(this.roomEntrance[i][j][k].x,
							this.roomEntrance[i][j][k].y,
							TIP_SIZE,TIP_SIZE,true);
					//人头像
					if(isOcuupiedTab[i][j][k]==OCCUPIED)
						g.drawImage(personImg, 
								this.roomEntrance[i][j][k].x,
								this.roomEntrance[i][j][k].y,
								null);
				}
			}
		}

	}
	public void repaint(){
		Graphics g = this.getGraphics();
		//画进入时候的标记
		if(this.clickPoint!=null){

			g.drawImage(this.personImg,
					this.roomEntrance[clickPoint.x][clickPoint.y][clickPoint.right].x,
					this.roomEntrance[clickPoint.x][clickPoint.y][clickPoint.right].y,
					null); 
			//隐藏窗口了，进入房间.
			MyUtilities.playSound("Sound/button.wav");
			//占位了
			this.isOcuupiedTab[clickPoint.x][clickPoint.y][clickPoint.right] = OCCUPIED;
			this.clickPoint = null;
			return;
		}
		//画进入房间的提示
		if(this.curPoint!=null){
			g.setColor(Color.white);
			g.draw3DRect(this.roomEntrance[curPoint.x][curPoint.y][curPoint.right].x,
					this.roomEntrance[curPoint.x][curPoint.y][curPoint.right].y,
					TIP_SIZE,TIP_SIZE,true);
		}
		if(this.originPoint!=null){
			//擦除上次印迹
			g.setColor(bkColor);
			g.draw3DRect(this.roomEntrance[originPoint.x][originPoint.y][originPoint.right].x,
					this.roomEntrance[originPoint.x][originPoint.y][originPoint.right].y,
					TIP_SIZE,TIP_SIZE,true);
		}

	}
	//判断一点是否为桌子的入口
	public Location getPointLocation(Point p){
		int roomY = p.x/this.imgWidth;
		int roomX = p.y/this.imgHeight;
		if(roomX>=rows||roomY>=cols)
			return null;
		//一左一右
		Rectangle rect[] = new Rectangle[2];
		for(int i=0; i < 2; ++i){
			rect[i] = new Rectangle(
					roomEntrance[roomX][roomY][i].x,
					roomEntrance[roomX][roomY][i].y,
					TIP_SIZE,TIP_SIZE);
			if(rect[i].contains(p))
				return new Location(roomX,roomY,i);
		}
		return null;
	}


	private class MyMouseAdapter extends MouseAdapter{
		public void mouseClicked(MouseEvent e){
			Location temp;
			if( (temp=Table.this.getPointLocation(e.getPoint()))!=null&&
					Table.this.isOcuupiedTab[temp.x][temp.y][temp.right]==EMPTY){
				Table.this.clickPoint = temp;
				
				//更新服务器
				msgMan.refreshTab(clickPoint.x,clickPoint.y,clickPoint.right, OCCUPIED);
				Table.this.repaint();
				//进入游戏主界面了
				new GameFrame(temp,msgMan);
			}
		}
	}
	private class MyMouseMotionAdapter extends MouseMotionAdapter{

		@Override
		public void mouseMoved(MouseEvent e) {
			Location temp;
			if( (temp=Table.this.getPointLocation(e.getPoint()))!=null){
				if(Table.this.curPoint!=null&&!Table.this.curPoint.equals(temp))
					Table.this.originPoint = curPoint;
				//鼠标移开了，需要擦除
				Table.this.curPoint = temp;
				Table.this.repaint();
			}
		}

	}
}