package de.geolykt.starloader.api.event.lifecycle;

import com.badlogic.gdx.ApplicationListener;

import de.geolykt.starloader.api.event.Event;

/**
 * Event that is fired during the Application initialisation phase, more exactly
 * it is fired after anything else in the {@link ApplicationListener#create()}
 * call. This however does not mean that everything is initialised, however a
 * large portion of the game is ready to tick. The biggest guarantee with this
 * event is that the Galimulator jar (or whatever else the implementation is
 * based on) should be present.
 */
public class ApplicationStartedEvent extends Event {

    /**
     * Whether the constructor has been called at least once already.
     *
     * @since 1.3.0
     */
    protected static boolean started = false;

    /**
     * Constructor. Only sets the started flag.
     * This constructor should only be invoked by the API implementation and not by any extensions due to this.
     */
    public ApplicationStartedEvent() {
        started = true;
    }

    /**
     * Returns whether the application has started. More specifically it will check whether the constructor
     * of this event has been invoked yet.
     *
     * @return The started flag
     * @since 1.3.0
     */
    public static boolean hasStarted() {
        return started;
    }
}