/**
* Copyright (c) 2001-2014 Mathew A. Nelson and Robocode contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://robocode.sourceforge.net/license/epl-v10.html
*/
package robocode;
import net.sf.robocode.peer.IRobotStatics;
import net.sf.robocode.serialization.ISerializableHelper;
import net.sf.robocode.serialization.RbSerializer;
import robocode.robotinterfaces.IBasicEvents;
import robocode.robotinterfaces.IBasicRobot;
import java.awt.*;
import java.nio.ByteBuffer;
/**
* A HitWallEvent is sent to {@link Robot#onHitWall(HitWallEvent) onHitWall()}
* when you collide a wall.
* You can use the information contained in this event to determine what to do.
*
* @author Mathew A. Nelson (original)
* @author Flemming N. Larsen (contributor)
*/
public final class HitWallEvent extends Event {
private static final long serialVersionUID = 1L;
private final static int DEFAULT_PRIORITY = 30;
private final double bearing;
/**
* Called by the game to create a new HitWallEvent.
*
* @param bearing the bearing to the wall that your robot hit, in radians
*/
public HitWallEvent(double bearing) {
this.bearing = bearing;
}
/**
* Returns the bearing to the wall you hit, relative to your robot's
* heading, in degrees (-180 <= getBearing() < 180)
*
* @return the bearing to the wall you hit, in degrees
*/
public double getBearing() {
return bearing * 180.0 / Math.PI;
}
/**
* @return the bearing to the wall you hit, in degrees
* @deprecated Use {@link #getBearing()} instead.
*/
@Deprecated
public double getBearingDegrees() {
return getBearing();
}
/**
* Returns the bearing to the wall you hit, relative to your robot's
* heading, in radians (-PI <= getBearingRadians() < PI)
*
* @return the bearing to the wall you hit, in radians
*/
public double getBearingRadians() {
return bearing;
}
/**
* {@inheritDoc}
*/
@Override
final int getDefaultPriority() {
return DEFAULT_PRIORITY;
}
/**
* {@inheritDoc}
*/
@Override
final void dispatch(IBasicRobot robot, IRobotStatics statics, Graphics2D graphics) {
IBasicEvents listener = robot.getBasicEventListener();
if (listener != null) {
listener.onHitWall(this);
}
}
/**
* {@inheritDoc}
*/
@Override
byte getSerializationType() {
return RbSerializer.HitWallEvent_TYPE;
}
static ISerializableHelper createHiddenSerializer() {
return new SerializableHelper();
}
private static class SerializableHelper implements ISerializableHelper {
public int sizeOf(RbSerializer serializer, Object object) {
return RbSerializer.SIZEOF_TYPEINFO + RbSerializer.SIZEOF_DOUBLE;
}
public void serialize(RbSerializer serializer, ByteBuffer buffer, Object object) {
HitWallEvent obj = (HitWallEvent) object;
serializer.serialize(buffer, obj.bearing);
}
public Object deserialize(RbSerializer serializer, ByteBuffer buffer) {
double bearing = buffer.getDouble();
return new HitWallEvent(bearing);
}
}
}