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/*
 * Copyright (c) 2001-2023 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
 * https://robocode.sourceforge.io/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;


/**
 * This event is sent to {@link Robot#onDeath(DeathEvent) onDeath()} when your
 * robot dies.
 *
 * @author Mathew A. Nelson (original)
 * @author Flemming N. Larsen (contributor)
 */
public final class DeathEvent extends Event {
	private static final long serialVersionUID = 1L;
	private final static int DEFAULT_PRIORITY = -1; // System event -> cannot be changed!

	/**
	 * Called by the game to create a new DeathEvent.
	 */
	public DeathEvent() {
		super();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public final int getPriority() {
		return DEFAULT_PRIORITY;
	}

	/**
	 * {@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.onDeath(this);
		}
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	final boolean isCriticalEvent() {
		return true;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	byte getSerializationType() {
		return RbSerializer.DeathEvent_TYPE;
	}

	static ISerializableHelper createHiddenSerializer() {
		return new SerializableHelper();
	}

	private static class SerializableHelper implements ISerializableHelper {
		public int sizeOf(RbSerializer serializer, Object object) {
			return RbSerializer.SIZEOF_TYPEINFO;
		}

		public void serialize(RbSerializer serializer, ByteBuffer buffer, Object object) {}

		public Object deserialize(RbSerializer serializer, ByteBuffer buffer) {
			return new DeathEvent();
		}
	}
}