import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.JPanel;
import javax.swing.JLabel;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class Game extends JFrame implements ActionListener{
static int mapHeight = 9, mapWidth = 9, bombNum = 10;
static int frameWidth = 400, frameHeight = 400;
private boolean[][] isTurned;
private boolean gameOver;
private boolean gameRunning;
private int[][] aroundBombNum;
private boolean[][] map;//炸彈or空地
private boolean[][] isPressed;
private JButton[][] buttons;
private JPanel centerButtonPanel;
private JLabel gameMessage;
public Game()
{
super("踩地雷");
setSize(frameWidth, frameHeight);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setLayout(new BorderLayout());
gameMessage = new JLabel("遊戲進行中");//訊息顯示
add(gameMessage, BorderLayout.NORTH);
centerButtonPanel = new JPanel();
centerButtonPanel.setLayout(new GridLayout(mapHeight, mapWidth));
buttons = new JButton[mapHeight][mapWidth];
//按鈕
for(int i=0; i<mapHeight; i++)
for(int j=0; j<mapWidth; j++)
{
buttons[i][j] = new JButton();
buttons[i][j].addActionListener(this);
buttons[i][j].setBackground(Color.WHITE);
buttons[i][j].setActionCommand(i+" "+j);
centerButtonPanel.add(buttons[i][j]);
}
add(centerButtonPanel, BorderLayout.CENTER);
JButton re = new JButton("重玩");
re.setActionCommand("regame");
re.addActionListener(this);
add(re, BorderLayout.SOUTH);
gameRunning = false;
}
public void resetGame(int sx,int sy)//清空地圖、隨機地圖、重設按鈕文字
{
gameOver = false;
aroundBombNum = new int[mapHeight][mapWidth];//清空地圖
map = new boolean[mapHeight][mapWidth];
isPressed = new boolean[mapHeight][mapWidth];
isTurned = new boolean[mapHeight][mapWidth];
int bombCount = 0;
while(bombCount < bombNum)
{
int x = (int)(Math.random()*mapHeight);
int y = (int)(Math.random()*mapWidth);
if(sx!=x|sy!=y)
if(!map[x][y])//沒炸彈
{
bombCount++;//放了炸彈
map[x][y] = true;
//向周圍宣布有炸彈
for(int i=x-1; i<=x+1; i++)
for(int j = y-1; j<=y+1; j++)
{
if(i>=0&&i<mapHeight&&j>=0&&j<mapWidth)
aroundBombNum[i][j]++;
}
}
}
System.out.println("地圖建置成功");
printMap();
}
private void clean()
{
for(int i=0; i<mapHeight; i++)
for(int j=0; j<mapWidth; j++)
{
buttons[i][j].setText("");
buttons[i][j].setBackground(Color.WHITE);
}
}
private void printMap()
{
System.out.println("Bombs");
for(int i=0; i<mapHeight; i++)
{
for(int j=0; j<mapWidth; j++)
{
if(map[i][j])
System.out.print("*");
else
System.out.print("_");
}
System.out.println();
}
System.out.println("Arounds");
for(int i=0; i<mapHeight; i++)
{
for(int j=0; j<mapWidth; j++)
{
System.out.print(aroundBombNum[i][j]);
}
System.out.println();
}
}
public void freshMessage(String newMessage)
{
System.out.println(newMessage);
gameMessage.setText(newMessage);
}
public void click(int x, int y)//炸彈: 爆炸| 土地 0擴散 1~8不擴散
{
if(map[x][y])//炸彈
{
freshMessage("踩到地雷! 爆炸!");
buttons[x][y].setBackground(Color.RED);
gameOver = true;
return ;
}
else
if(aroundBombNum[x][y]!=0)
{
turn(x,y);
}
else
{
int[][] direct = {{-1,0},{0,-1},{1,0},{0,1},{-1,-1},{1,1},{-1,1},{1,-1}};//上 左 下 右 左上 左下 右上 右下
int[] queue_x = new int[mapHeight*mapWidth];
int[] queue_y = new int[mapHeight*mapWidth];
int pop = 0, push = 0;
queue_x[push] = x;//填入第一個
queue_y[push] = y;
push++;
while(pop < push)
{
int tx = queue_x[pop];
int ty = queue_y[pop];
//如果 此格是0就繼續擴散
if(aroundBombNum[tx][ty]==0)
for(int s=0; s<8; s++)
{
int fx = tx+direct[s][0];
int fy = ty+direct[s][1];
boolean spread = false;
if(inRange(fx,fy)&&!isTurned[fx][fy])
{
isTurned[fx][fy] = true;
queue_x[push] = fx;
queue_y[push] = fy;
push++;
}
}
pop++;
/*System.out.println("Pop"+pop);
for(int i=0; i<push; i++)
{
System.out.print(" "+"["+queue_x[i]+"]"+ "["+queue_y[i]+"]");
}
System.out.println();*/
}
for(int i=0; i<push; i++)
turn(queue_x[i],queue_y[i]);
}
}
private static boolean inRange(int x, int y)
{
return (x>=0&&x<mapHeight&&y>=0&&y<mapWidth);
}
public void turn(int x, int y)//翻開
{
buttons[x][y].setBackground(Color.LIGHT_GRAY);
if(aroundBombNum[x][y]>0)
buttons[x][y].setText(Integer.toString(aroundBombNum[x][y]));
isTurned[x][y] = true;
isPressed[x][y] = true;
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
String command =e.getActionCommand();
if(command.equals("regame"))
{
clean();
gameRunning = false;
freshMessage("遊戲進行中");
}
else
{
String[] press = command.split(" ");
int x = Integer.parseInt(press[0]);
int y = Integer.parseInt(press[1]);
if(!gameRunning)
{
resetGame(x,y);
gameRunning = true;
}
if(!isPressed[x][y]&&!gameOver)
{
System.out.println("Invoke click "+x+" "+y);
click(x,y);
isPressed[x][y] = true;
}
}
}
public static void main(String[] args)
{
Game frame = new Game();
frame.setVisible(true);
}
}
