package com;

import javax.imageio.ImageIO;
import javax.swing.*;
import java.awt.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import java.io.IOException;

public class BirdGame extends JPanel {

	// 定义游戏状态
	public static final int START = 0; // 开始状态
	public static final int RUNNING = 1; // 运行状态
	public static final int GAME_OVER = 2; // 结束状态

	// 游戏的当前状态 默认0 --开始状态
	int start = START;

	int score = 0; // 玩家的得分

	static BufferedImage bg = null; // 背景图片
	static BufferedImage ground = null; // 地面图片
	static BufferedImage bird_img = null; // 小鸟图
	static BufferedImage col_img = null; // 管道图
	static BufferedImage start_img = null; // 开始的图片
	static BufferedImage over_img = null; // 结束的图片

	// 静态代码块，一般用于加载静态资源(视频，音频，图片)
	static {
		try {
			// 将本地图片读取到程序中
			bg = ImageIO.read(BirdGame.class.getResourceAsStream("bg.png"));
			ground = ImageIO.read(BirdGame.class.getResourceAsStream("ground.png"));
			bird_img = ImageIO.read(BirdGame.class.getResourceAsStream("0.png"));
			col_img = ImageIO.read(BirdGame.class.getResourceAsStream("column.png"));
			start_img = ImageIO.read(BirdGame.class.getResourceAsStream("start.png"));
			over_img = ImageIO.read(BirdGame.class.getResourceAsStream("gameover.png"));
		} catch (IOException e) {
			throw new RuntimeException(e);
		}
	}

	Ground ground_g; // 声明地面
	Bird Bird_g;
	Column column_g;
	Column column_g2;

	// BirdGame的构造方法(在new BirdGame() 的时候执行)
	public BirdGame() {
		ground_g = new Ground();// 创建地面对象
		Bird_g = new Bird();
		column_g = new Column();
		column_g2 = new Column();
		column_g2.x = column_g.x + column_g.distance;

	}

	// 用于在绘画板绘制内容的方法:在这个方法里面绘画
	@Override
	public void paint(Graphics g) {
		/*
		 * g.setColor(Color.PINK); //画笔颜色设置 g.fillRect(0,0,1080,1080);
		 */

		g.drawImage(bg, 0, 0, null); // 画背景

		g.drawImage(column_g.co_image, column_g.x, column_g.y, null);
		g.drawImage(Bird_g.bird_image, Bird_g.x, Bird_g.y, null);
		g.drawImage(column_g2.co_image, column_g2.x, column_g2.y, null);
		g.drawImage(ground_g.img_ground, ground_g.x, ground_g.y, null);

		// 开始状态
		if (start == START) {
			g.drawImage(start_img, 0, 0, null);
		}
		// 结束状态
		if (start == GAME_OVER) {
			g.drawImage(over_img, 0, 0, null);
		}

		// 画分数
		Font font = new Font("微软雅黑", Font.BOLD, 30); // 创建字体
		g.setFont(font); // 给画笔设置字体
		g.setColor(Color.red);
		g.drawString("分数：" + score, 25, 40);
		g.setColor(Color.WHITE);
		g.drawString("分数：" + score, 23, 38);
	}

	// 检测游戏是否结束,判断小鸟是否碰撞
	public boolean isGameOver() {
		boolean isHit = Bird_g.hitGround(ground_g) || Bird_g.hitColumn(column_g) || Bird_g.hitColumn(column_g2);
		return isHit;
	}

	// 游戏流程控制的方法
	public void action() throws InterruptedException {

		frame.addKeyListener(new KeyAdapter() {
			@Override
			public void keyPressed(KeyEvent e) {
				if (e.getKeyCode() == 32) {
					// 按下空格键
					start = RUNNING;
				}
				if (start == RUNNING) {
					Bird_g.up();
				}
				if (start == GAME_OVER) { // 结束状态 ，单击变成开始状态

				}
			}
		});

		// 给当前对象添加鼠标单击事件
		this.addMouseListener(new MouseAdapter() {
			@Override
			public void mouseClicked(MouseEvent e) {
				if (start == START) { // 如果是开始状态，单击转换为运行状态
					start = RUNNING;
				}
				if (start == RUNNING) { // 运行状态 ，单击小鸟飞
					// 小鸟飞
					Bird_g.up();
				}
				if (start == GAME_OVER) { // 结束状态 ，单击变成开始状态
					Bird_g = new Bird();
					column_g = new Column();
					column_g2 = new Column();
					column_g2.x = column_g.x + column_g.distance;
					score = 0;
					start = START;
				}
			}
		});

		// 死循环
		while (true) {
			// 开始
			if (start == START) {
				ground_g.step(); // 地面移动
				Bird_g.fly();
			} else if (start == RUNNING) {
				ground_g.step(); // 地面移动
				Bird_g.fly(); // 小鸟飞翔
				column_g.star(); // 柱子1移动
				column_g2.star(); // 柱子2移动
				Bird_g.down(); // 小鸟掉落

				if (isGameOver() == true) { // 游戏结束
					// 初始化游戏状态
					Bird_g = new Bird();
					column_g = new Column();
					column_g2 = new Column();
					column_g2.x = column_g.x + column_g.distance;
					score = 0;
					// 结束
					start = GAME_OVER;
				}
				if (Bird_g.x == column_g.x + column_g.width + 1 || Bird_g.x == column_g2.x + column_g2.width + 1) {
					// 得分
					score += 5;
				}
			}

			repaint(); // 重画，重新执行paint方法
			Thread.sleep(10);

			// System.out.println("撞柱子1"+Bird_g.hitColumn(column_g));
		}
	}

	// 创建画框对象
	static JFrame frame = new JFrame();

	public static void main(String[] args) throws InterruptedException {

		//背景音乐启动
		Music audioPlayWave = new Music("15279.wav");// 开音乐 音樂名
		audioPlayWave.start();
		@SuppressWarnings("unused")
		int musicOpenLab = 1;
		
		/*
		 * //创建画框对象 JFrame frame = new JFrame();
		 */
		// 创建画板对象
		BirdGame game = new BirdGame();

		frame.setSize(432, 644); // 设置宽高
		frame.setLocationRelativeTo(null); // 居中显示
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // 关闭窗口，结束程序
		// 设置可见性
		frame.setVisible(true);
		// 将画板添加到画框上
		frame.add(game);

		// 调用action方法
		game.action();
		
		
	}

}