package?cn.snake.controller;

import?java.awt.Font;
import?java.awt.event.KeyAdapter;
import?java.awt.event.KeyEvent;
import?java.util.HashSet;
import?java.util.Set;

import?javax.swing.JLabel;

import?cn.snake.entities.Food;
import?cn.snake.entities.Ground;
import?cn.snake.entities.Snake;
import?cn.snake.listener.GameListener;
import?cn.snake.listener.SnakeListener;
import?cn.snake.util.Global;
import?cn.snake.view.GamePanel;

/**
?*?控制器

?*?控制Ground?Snake?Food

?*?負(fù)責(zé)游戲的邏輯

?*?處理按鍵事件

?*?

?*?實(shí)現(xiàn)了SnakeListener接口?可以處理Snake?觸發(fā)的事件

?*?方法?snakeEatFood（）?處理蛇吃到食物后觸發(fā)的?snakeEatFood事件?但什么也沒(méi)做

?*?

?*?
?*/
public?class?Controller?extends?KeyAdapter?implements?SnakeListener?{

	/*?地形?*/
	private?Ground?ground;

	/*?蛇?*/
	private?Snake?snake;

	/*?食物?*/
	private?Food?food;

	/*?顯示?*/
	private?GamePanel?gamePanel;

	/*?提示信息?*/
	private?JLabel?gameInfoLabel;

	private?boolean?playing;

	private?int?map;

	/*?控制器監(jiān)聽器?*/
	private?Set?listeners?=?new?HashSet（）;

	/**
	?*?處理按鍵事件

	?*?接受按鍵?根據(jù)按鍵不同?發(fā)出不同的指令

	?*?UP:?改變蛇的移動(dòng)方向?yàn)橄蛏?BR>
	?*?DOWN:?改變蛇的移動(dòng)方向?yàn)橄蛳?BR>
	?*?LEFT:?改變蛇的移動(dòng)方向?yàn)橄蜃?

	?*?RIGHT:?改變蛇的移動(dòng)方向?yàn)橄蛴?BR>
	?*?SPACE:?暫停/繼續(xù)

	?*?PAGE?UP:?加快蛇的移動(dòng)速度

	?*?PAGE?DOWN:?減慢蛇的移動(dòng)速度

	?*?Y:?重新開始游戲
	?*/
	public?void?keyPressed（KeyEvent?e）?{
		if?（e.getKeyCode（）?!=?KeyEvent.VK_Y?&&?!playing）
			return;
		//?TODO?Auto-generated?method?stub
		/*?根據(jù)按鍵不同?讓蛇改變不同的方向?*/
		switch?（e.getKeyCode（））?{

		/*?方向鍵?上?*/
		case?KeyEvent.VK_UP:
			if?（snake.isPause（））?{
				snake.changePause（）;
				for?（GameListener?l?:?listeners）
					l.gameContinue（）;
			}
			snake.changeDirection（Snake.UP）;
			break;
		/*?方向鍵?下?*/
		case?KeyEvent.VK_DOWN:
			if?（snake.isPause（））?{
				snake.changePause（）;
				for?（GameListener?l?:?listeners）
					l.gameContinue（）;
			}
			snake.changeDirection（Snake.DOWN）;
			break;
		/*?方向鍵?左?*/
		case?KeyEvent.VK_LEFT:
			if?（snake.isPause（））?{
				snake.changePause（）;
				for?（GameListener?l?:?listeners）
					l.gameContinue（）;
			}
			snake.changeDirection（Snake.LEFT）;
			break;
		/*?方向鍵?右?*/
		case?KeyEvent.VK_RIGHT:
			if?（snake.isPause（））?{
				snake.changePause（）;
				for?（GameListener?l?:?listeners）
					l.gameContinue（）;
			}
			snake.changeDirection（Snake.RIGHT）;
			break;
		/*?回車或空格?（暫停）?*/
		case?KeyEvent.VK_ENTER:
		case?KeyEvent.VK_SPACE:
			snake.changePause（）;
			/*?===?*/
			for?（GameListener?l?:?listeners）
				if?（snake.isPause（））
					l.gamePause（）;
				else
					l.gameContinue（）;
			break;
		/*?PAGE_UP?加速?*/
		case?KeyEvent.VK_PAGE_UP:
			snake.speedUp（）;
			break;
		/*?PAGE_DOWN?減速?*/
		case?KeyEvent.VK_PAGE_DOWN:
			snake.speedDown（）;
			break;
		/*?字母鍵?Y?（重新開始游戲）?*/
		case?KeyEvent.VK_Y:
			if?（!isPlaying（））
				newGame（）;
			break;
		}

		/*?重新顯示?*/
		if?（gamePanel?!=?null）
			gamePanel.redisplay（ground?snake?food）;
		/*?更新提示?*/
		if?（gameInfoL

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-04-08?17:22??源代碼\
?????目錄???????????0??2012-04-08?16:56??源代碼\Snake\
?????文件?????????232??2008-01-28?09:37??源代碼\Snake\.classpath
?????文件?????????381??2011-12-12?21:32??源代碼\Snake\.project
?????目錄???????????0??2012-04-08?16:56??源代碼\Snake\.settings\
?????文件?????????629??2011-12-12?21:33??源代碼\Snake\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2012-04-08?17:17??源代碼\Snake\bin\
?????目錄???????????0??2012-04-08?17:06??源代碼\Snake\bin\cn\
?????目錄???????????0??2012-04-08?17:06??源代碼\Snake\bin\cn\snake\
?????目錄???????????0??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\controller\
?????文件????????7430??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\controller\Controller.class
?????目錄???????????0??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\entities\
?????文件????????1908??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\entities\Food.class
?????文件????????3921??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\entities\Ground.class
?????文件????????1455??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\entities\Snake$SnakeDriver.class
?????文件????????6317??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\entities\Snake.class
?????目錄???????????0??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\
?????文件????????1004??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\GameOptionPanel$1.class
?????文件????????6685??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\GameOptionPanel.class
?????文件????????1153??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\Mainframe$1.class
?????文件?????????906??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\Mainframe$10.class
?????文件?????????857??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\Mainframe$11.class
?????文件????????1282??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\Mainframe$12.class
?????文件????????1279??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\Mainframe$13.class
?????文件????????1751??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\Mainframe$14.class
?????文件????????1168??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\Mainframe$2.class
?????文件????????1136??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\Mainframe$3.class
?????文件????????1156??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\Mainframe$4.class
?????文件????????1145??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\Mainframe$5.class
?????文件????????1149??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\Mainframe$6.class
?????文件????????1230??2012-04-08?17:07??源代碼\Snake\bin\cn\snake\game\Mainframe$7.class
............此處省略33個(gè)文件信息