/*
 * This file is part of spark.
 *
 *  Copyright (c) lucko (Luck) <luck@lucko.me>
 *  Copyright (c) contributors
 *
 *  This program 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.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package me.lucko.spark.common.tick;

/**
 * A reporting callback for the game's "tick loop".
 */
public interface TickReporter extends AutoCloseable {

    /**
     * Starts the reporter
     */
    void start();

    /**
     * Stops the reporter
     */
    @Override
    void close();

    /**
     * Adds a callback to be called each time the tick increments
     *
     * @param runnable the callback
     */
    void addCallback(Callback runnable);

    /**
     * Removes a callback
     *
     * @param runnable callback
     */
    void removeCallback(Callback runnable);

    interface Callback {
        void onTick(double duration);
    }

}