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HeliSprite.java
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HeliSprite.java
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import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.KeyEvent;
import java.awt.image.BufferedImage;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import javax.game.sidescroller.GamePanel;
import javax.game.sidescroller.Sprite;
import javax.media.utils.loaders.images.GroupImageAnimator;
public class HeliSprite extends Sprite {
GroupImageAnimator helicopter;
public static final int SPEED = 5;
private final static Map<String, Set<Rectangle>> hitboxes = new HashMap<String, Set<Rectangle>> ( );
static {
Set<Rectangle> heli_right = new HashSet<Rectangle> ( );
heli_right.add ( new Rectangle ( 3, 0, 30, 21 ) );
heli_right.add ( new Rectangle ( 33, 5, 29, 16 ) );
heli_right.add ( new Rectangle ( 62, 9, 24, 8 ) );
heli_right.add ( new Rectangle ( 33, 21, 29, 21 ) );
Set<Rectangle> heli_left = new HashSet<Rectangle> ( );
heli_left.add ( new Rectangle ( 53, 0, 30, 21 ) );
heli_left.add ( new Rectangle ( 24, 5, 29, 16 ) );
heli_left.add ( new Rectangle ( 0, 9, 24, 8 ) );
heli_left.add ( new Rectangle ( 24, 21, 29, 21 ) );
Set<Rectangle> heli_still_right = new HashSet<Rectangle> ( );
heli_still_right.add ( new Rectangle ( 69, 0, 19, 2 ) );
heli_still_right.add ( new Rectangle ( 7, 0, 62, 19 ) );
heli_still_right.add ( new Rectangle ( 44, 19, 25, 13 ) );
Set<Rectangle> heli_still_left = new HashSet<Rectangle> ( );
heli_still_left.add ( new Rectangle ( 7, 0, 19, 2 ) );
heli_still_left.add ( new Rectangle ( 26, 0, 62, 19 ) );
heli_still_left.add ( new Rectangle ( 26, 19, 25, 13 ) );
HeliSprite.hitboxes.put ( "heli_right", heli_right );
HeliSprite.hitboxes.put ( "heli_left", heli_left );
HeliSprite.hitboxes.put ( "heli_still_right", heli_still_right );
HeliSprite.hitboxes.put ( "heli_still_left", heli_still_left );
}
public HeliSprite ( GroupImageAnimator images, Point initialPoint, GamePanel game ) {
super ( images, initialPoint, game );
this.helicopter = images;
this.helicopter.setCurrentImage ( "heli_still_right" );
}
@Override
public void keyPressed ( KeyEvent e ) {
switch ( e.getKeyCode ( ) ) {
case KeyEvent.VK_LEFT:
this.setXSpeed ( -1 * SPEED );
break;
case KeyEvent.VK_RIGHT:
this.setXSpeed ( SPEED );
break;
case KeyEvent.VK_UP:
this.setYSpeed ( -1 * SPEED );
break;
case KeyEvent.VK_DOWN:
this.setYSpeed ( SPEED );
break;
}
this.pickHeliImage ( );
}
private void pickHeliImage ( ) {
String image = null;
if ( this.getXSpeed ( ) > 0 )
image = "heli_right";
else if ( this.getXSpeed ( ) < 0 )
image = "heli_left";
String lastImage = this.helicopter.getCurrentImageName ( );
if ( image == null )
if ( lastImage.equals ( "heli_left" ) || lastImage.equals ( "heli_still_left" ) )
image = "heli_still_left";
else
image = "heli_still_right";
if ( !image.equals ( lastImage ) ) {
if ( lastImage.equals ( "heli_still_left" )
|| lastImage.equals ( "heli_still_right" )
|| image.equals ( "heli_still_right" )
|| image.equals ( "heli_still_left" ) ) {
BufferedImage before = this.helicopter.getImageGroupHolder ( ).getImage ( lastImage );
BufferedImage after = this.helicopter.getImageGroupHolder ( ).getImage ( image );
this.moveBy ( ( before.getWidth ( ) - after.getWidth ( ) ) / 2, ( before.getHeight ( ) - after.getHeight ( ) ) / 2 );
}
this.helicopter.setCurrentImage ( image );
this.clearHitboxes ( );
this.addHitboxes ( HeliSprite.hitboxes.get ( image ) );
}
}
@Override
public void keyReleased ( KeyEvent e ) {
switch ( e.getKeyCode ( ) ) {
case KeyEvent.VK_LEFT:
if ( this.getXSpeed ( ) < 0 )
this.setXSpeed ( 0 );
break;
case KeyEvent.VK_RIGHT:
if ( this.getXSpeed ( ) > 0 )
this.setXSpeed ( 0 );
break;
case KeyEvent.VK_UP:
if ( this.getYSpeed ( ) < 0 )
this.setYSpeed ( 0 );
break;
case KeyEvent.VK_DOWN:
if ( this.getYSpeed ( ) > 0 )
this.setYSpeed ( 0 );
break;
}
this.pickHeliImage ( );
}
@Override
public Set<Sprite> leavingGameArea ( ) {
super.leavingGameArea ( );
this.setSpeed ( 0, 0 );
return null;
}
}