E001	// 이벤트 대기중

E002	// → 키 입력

E003	// 1초마다 타이머 활성화

E004	// → 키 해제

	// 파일명 : ./Chapter14/TopViewGameMain.java

	import javax.swing.*;

	import move.TopViewObject;

	import move.ViewPanel;

	public class TopViewGameMain

	{

1		public static void main( String[] args )

		{

			final String imagePath = "C:\\Users\\user\\Downloads\\JAVA-main\\src\\move\\image\\";

			// 미로 맵을 2차원 배열로 초기화

			int[][] map = { { 1,1,1,1,1,1,1 },

			                { 1,0,0,1,0,0,1 },

			                { 1,1,0,1,0,1,1 },

			                { 1,0,0,1,0,0,1 },

			                { 1,0,1,1,1,0,1 },

			                { 1,0,0,0,0,0,1 },

			                { 1,1,1,1,1,1,1 }

			              };

			// 판을 틀에 끼우고 실행 준비 완료

2			ViewPanel panel =

3			                  new ViewPanel(

4			                                 new TopViewObject( map, 1, 1, imagePath ) );

			JFrame frame = new JFrame( "탑 뷰 맵" );

			frame.getContentPane().add( panel );

			frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );

			frame.pack();

			frame.setVisible(true);

5		}

	}

	// 파일명 : ./src/move/ViewPanel.java

	package move;

	import java.awt.*;

	import java.awt.event.*;

	import javax.swing.*;

	// 뷰 패널  

	public class ViewPanel extends JPanel

	{

		protected ObjectByKey character;

		protected Timer timer;

V1b		public ViewPanel( ObjectByKey character ){

			// 키리스너에 방향키로 이동하는 캐릭터를 등록   

			this.character = character;

			addKeyListener( character );

			setFocusable( true );

			requestFocus();

			setPreferredSize( new Dimension( character.backgroundWidth(), character.backgroundHeight() ) );

			// 주기적으로 활성화되는 타이머 등록 

			timer = new Timer( 100, new ActionListener() {

			                	@Override

V2b			                	public void actionPerformed( ActionEvent event ) {

V21			                		update();

V22			                		repaint();

V2e			                	}

			                });

			timer.start();

V1e		}

		// 최신 정보 업데이트  

V3b		protected void update() {

V31			character.move();

V3e		}

		// 화면 출력 

		@Override

V4b		public void paint( Graphics g ){

			super.paint( g );

V41			character.paint( g );

V4e		}

	}

	// 파일명 : ./src/move/TopViewObject.java

	package move;

	import java.awt.*;

	import javax.swing.*;

	// 탑 뷰 캐릭터 

	public class TopViewObject extends ObjectByKey

	{

		protected int[][] map;

		protected Image[] image;

		protected final int PATH = 0, WALL = 1, CHARACTER = 2;

T1b		public TopViewObject( int[][] map, int x, int y, final String imagePath ) {

T11			super( imagePath+"character.png", x, y, 0, 0, map[0].length-1, map.length-1 );

			this.map = map;

			this.image = new Image[3];

			this.image[PATH     ] = new ImageIcon( imagePath + "path.png" ).getImage();

			this.image[WALL     ] = new ImageIcon( imagePath + "wall.png" ).getImage();

			this.image[CHARACTER] = new ImageIcon( imagePath + "character.png" ).getImage();

T1e		}

		// 벽이 아니면 캐릭터 이동 

		@Override

T2b		public void move( int directionX, int directionY ) {

			if( map[y+directionY][x+directionX] != WALL )

T21				super.move( directionX, directionY );

T2e		}

		// 캐릭터와 전체 맵을 출력 

		@Override

T3b		public void paint( Graphics g ){

			for( int y = 0; y <= map.length; y++ ){

				for( int x = 0; x <= map[0].length; x++ ){

					int index = WALL;

					if ( ( this.x == x ) && ( this.y == y ) )

						index = CHARACTER;

					else if ( ( minX <= x ) && ( x <= maxX ) && ( minY <= y ) && ( y <= maxY ) )

						index = map[y][x];

					g.drawImage( image[index], x*IMGSIZE, y*IMGSIZE, IMGSIZE, IMGSIZE, null );

				}

			}

T3e		}

		@Override

		public int backgroundWidth(){

			return IMGSIZE * ( map[0].length );

		}

		@Override

		public int backgroundHeight(){

			return IMGSIZE * ( map.length );

		}

	}

	// 파일명 : ./src/move/ObjectByKey.java

	package move;

	import java.awt.*;

	import java.awt.event.*;

	import javax.swing.*;

	// 방향키로 이동하는 객체 

	public class ObjectByKey extends KeyAdapter

	{

		private Image image;

		protected int x, y, directionX, directionY;

		protected int minX, minY, maxX, maxY;

		public static final int LEFT = -1, RIGHT = 1, UP = -1, DOWN = 1, STOP = 0, IMGSIZE = 40;

		// 초기화: 이미지, 현재 위치, 이동 허용 범위, 이동 방향을 설정

K1b		public ObjectByKey( String image, int x, int y, int minX, int minY, int maxX, int maxY ) {

			this.image = new ImageIcon( image ).getImage();

			this.x = x;

			this.y = y;

			this.minX = minX;

			this.minY = minY;

			this.maxX = maxX;

			this.maxY = maxY;

			this.directionX = STOP;

			this.directionY = STOP;

K1e		}

		// 키를 누르면 상하좌우 이동방향 설정 

		@Override

K2b		public void keyPressed( KeyEvent event ) {

			switch( event.getKeyCode() ) {

			case KeyEvent.VK_ESCAPE:

				System.exit(0);

				break;

			case KeyEvent.VK_LEFT: case 'A': case 'a':

				directionX = LEFT;

				break;

			case KeyEvent.VK_RIGHT: case 'D': case 'd':

K21				directionX = RIGHT;

				break;

			case KeyEvent.VK_UP: case 'W': case 'w':

				directionY = UP;

				break;

			case KeyEvent.VK_DOWN: case 'S': case 's':

K22				directionY = DOWN;

				break;

			}

K2e		}

		// 키를 해제하면 이동방향 해제   

		@Override

K3b		public void keyReleased( KeyEvent event ) {

			switch( event.getKeyCode() ) {

			case KeyEvent.VK_LEFT: case 'A': case 'a':

			case KeyEvent.VK_RIGHT: case 'D': case 'd':

K31				directionX = STOP;

				break;

			case KeyEvent.VK_UP: case 'W': case 'w':

			case KeyEvent.VK_DOWN: case 'S': case 's':

				directionY = STOP;

				break;

			}

K3e		}

		// 이동 허용 범위내에서만 객체 이동 

K4b		public void move() {

K41			move( directionX, directionY );

K4e		}

K5b		public void move( int directionX, int directionY ) {

			this.x += directionX;

			this.y += directionY;

			this.x = ( this.x <= minX ) ? minX : this.x;

			this.y = ( this.y <= minY ) ? minY : this.y;

			this.x = ( this.x >= maxX ) ? maxX : this.x;

			this.y = ( this.y >= maxY ) ? maxY : this.y;

K5e		}

		// 현재 위치에 객체를 출력

K6b		public void paint( Graphics g ) {

			g.drawImage( image, x, y, IMGSIZE, IMGSIZE, null );

K6e		}

		public int directionX() {

			return directionX;

		}

		public int directionY() {

			return directionY;

		}

		public int backgroundWidth(){

			return maxX;

		}

		public int backgroundHeight(){

			return maxY;

		}

	}