board.java

扫雷 程序 是我学JAVA的时候编的 希望大家 不嫌弃 不过 喜欢的 尽管拿走

import java.awt.Graphics;
import javax.swing.*;
import java.util.*;
import java.awt.event.*;

public class Board extends JPanel {
	private ArrayList<BaseButton> btns = null;
	Buttons bImgs;
	private int userMine = 0;
	private int remainMine = Game.mineNum;
	private Boolean isEnd = false;
	private Game parent;
	
	public int getRemainMine(){
		return remainMine;
	}
	
	public void setParent(Game g){
		parent = g;
	}
	
	public void paintComponent(Graphics g){
		super.paintComponent(g); 
		if(btns != null){
			for(BaseButton b : btns){
				if(b != null)
					b.draw(g);
			}
		}
	}
	public Board(){
		bImgs = new Buttons();
		btns = new ArrayList<BaseButton>();
		
		this.addMouseListener(new MouseListener()
		{
			public void mousePressed(MouseEvent e){
					if(isEnd)
						return;
				//	JOptionPane.showMessageDialog(null,Integer.toString(calculatePos(e.getX(),e.getY()).getX()));
					Position p = calculatePos(e.getX(),e.getY());
					int i = getBtnIndex(p.getX(),p.getY());
				//	JOptionPane.showMessageDialog(null,Integer.toString(i));
					BaseButton b = btns.get(i);
					if(e.getButton() == MouseEvent.BUTTON1){
						if(b.isMine == false){
							b.type = ButtonType.UserEmpty;
							b.setImage(bImgs);
							detect(p.getX(),p.getY());
						}
						else{
							//over
							for(BaseButton bb : btns){
								if(bb.isMine){
									bb.type = ButtonType.Mine;
									bb.setImage(bImgs);
								}
							}
							b.type = ButtonType.Explosion;
							b.setImage(bImgs);
						//	JOptionPane.showMessageDialog(null,"You lose");
							isEnd = true;
						}
					}
					else if(e.getButton() == MouseEvent.BUTTON3){
						if(b.type == ButtonType.Empty){
							b.type = ButtonType.UserMine;
							b.setImage(bImgs);
							userMine++;
							parent.getNumberLabel().setText( "Mine Remaining:"+ Integer.toString(Game.mineNum - userMine) );
							if(b.isMine){
								remainMine--;
								
								if(remainMine == 0){
									JOptionPane.showMessageDialog(null,"Cong!!");
									isEnd = true;
								}
							}
						}
						else if(b.type == ButtonType.UserMine){
							b.type = ButtonType.Empty;
							b.setImage(bImgs);
							userMine--;
							parent.getNumberLabel().setText( "Mine Remaining:"+ Integer.toString(Game.mineNum - userMine) );
							if(b.isMine){
								remainMine++;
							}
						}
					}
					repaint();
				}
				public void mouseExited(MouseEvent e){}
				public void mouseClicked(MouseEvent e){}
				public void mouseReleased(MouseEvent e){}
				public void mouseEntered(MouseEvent e){}
			}
		);
	}
	
	private void detect(int x,int y){
		int ox = 0;
		int oy = 0;
		Boolean flag = true;
		for(int i = 0; i < 8;i++){
			switch(i){
				case 0:
					ox = 1;oy = 1;break;
				case 1:
					ox = 1;oy = 0;break;
				case 2:
					ox = 1;oy = -1;break;
				case 3:
					ox = 0;oy = 1;break;
				case 4:
					ox = 0;oy = -1;break;
				case 5:
					ox = -1;oy = 1;break;
				case 6:
					ox = -1;oy = 0;break;
				case 7:
					ox = -1;oy = -1;break;
			}
			if(x+ox>=0&&y+oy>=0&&x+ox<Game.boardSize&&y+oy<Game.boardSize){
				BaseButton bb = btns.get(getBtnIndex(x+ox,y+oy));
				if(bb.type != ButtonType.UserEmpty){
					if(bb.isMine == true){
						flag = false;
					}
				}
			}
		}
		if(flag){
			for(int i = 0; i < 8;i++){
				switch(i){
					case 0:
						ox = 1;oy = 1;break;
					case 1:
						ox = 1;oy = 0;break;
					case 2:
						ox = 1;oy = -1;break;
					case 3:
						ox = 0;oy = 1;break;
					case 4:
						ox = 0;oy = -1;break;
					case 5:
						ox = -1;oy = 1;break;
					case 6:
						ox = -1;oy = 0;break;
					case 7:
						ox = -1;oy = -1;break;
				}
				if(x+ox>=0&&y+oy>=0&&x+ox<Game.boardSize&&y+oy<Game.boardSize){
					BaseButton bb = btns.get(getBtnIndex(x+ox,y+oy));
					if(bb.type != ButtonType.UserEmpty){
						bb.type = ButtonType.UserEmpty;
						bb.setImage(bImgs);
						detect(x+ox,y+oy);
					}
				}
			}
		}
	}
	
	public void initBoard(){	
		isEnd = false;
		userMine = 0;
		remainMine = Game.mineNum;
		btns.clear();
		for(int i = 0;i < Game.boardSize;i++){
			for(int j = 0;j < Game.boardSize;j++){
				BaseButton m = new BaseButton(new Position(i,j));
				m.type = ButtonType.Empty;
				m.setImage(bImgs);
				btns.add(m);
			}
		}
		
		Random r = new Random();
		int count = 0;
		do{
			int x = r.nextInt(Game.boardSize);
			int y = r.nextInt(Game.boardSize);
	//		Position p = new Position(x,y);
	//		boolean f = false;
	//		for(BaseButton bb : btns){
	//			if(bb.getPosition().equal(p)&&bb.isMine == true){
	//				f = true;
	//			}
	//		}
			int i = this.getBtnIndex(x, y);
			if(btns.get(i).isMine)
				continue;
			btns.get(getBtnIndex(x,y)).isMine = true;
			/////////Test//////////
			//btns.get(getBtnIndex(x,y)).type = ButtonType.UserMine;
			//btns.get(getBtnIndex(x,y)).setImage(bImgs);
			///////////////////////
			initEmpty(x,y);
			count++;
		}while(count<Game.mineNum);
		repaint();
	}
	
	private void initEmpty(int x,int y){
		int ox = 0;
		int oy = 0;
		for(int i = 0; i < 8;i++){
			switch(i){
				case 0:
					ox = 1;oy = 1;break;
				case 1:
					ox = 1;oy = 0;break;
				case 2:
					ox = 1;oy = -1;break;
				case 3:
					ox = 0;oy = 1;break;
				case 4:
					ox = 0;oy = -1;break;
				case 5:
					ox = -1;oy = 1;break;
				case 6:
					ox = -1;oy = 0;break;
				case 7:
					ox = -1;oy = -1;break;
			}
			if(x+ox>=0&&y+oy>=0&&x+ox<Game.boardSize&&y+oy<Game.boardSize){
				BaseButton bb = btns.get(getBtnIndex(x+ox,y+oy));
				if(bb.isMine != true){
					bb.num++;
				}
			}
		}
	}
	
	public int getBtnIndex(int x,int y){
		return y*Game.boardSize+x;
	}
	
	private Position calculatePos(int x,int y){
		Position p = new Position(y/Game.BTNSIZE,x/Game.BTNSIZE);
		return p;
	} 
}