Updater.java

/*
 * Copyright (c) 2015 NOVA, All rights reserved.
 * This library is free software, licensed under GNU Lesser General Public License version 3
 *
 * This file is part of NOVA.
 *
 * NOVA is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * NOVA is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with NOVA.  If not, see <http://www.gnu.org/licenses/>.
 */

package nova.core.component;

/**
 * Implement this on Blocks and Entities which can tick.
 */
public interface Updater {
	/**
	 * Ticks the object.
	 * @param deltaTime The time since the last update, in seconds.
	 */
	default void update(double deltaTime) {
		/**
		 * Update components
		 */
		if (this instanceof ComponentProvider) {
			((ComponentProvider) this).components()
				.stream()
				.filter(component -> component instanceof Updater)
				.forEach(component -> ((Updater) component).update(deltaTime));
		}
	}
}