org.jtrfp.trcl.beh.AdjustAltitudeToPlayerBehavior.java Source code

Introduction

Here is the source code for org.jtrfp.trcl.beh.AdjustAltitudeToPlayerBehavior.java

Source

/*******************************************************************************
 * This file is part of TERMINAL RECALL
 * Copyright (c) 2012-2014 Chuck Ritola
 * Part of the jTRFP.org project
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     chuck - initial API and implementation
 ******************************************************************************/
package org.jtrfp.trcl.beh;

import org.apache.commons.math3.geometry.euclidean.threed.Vector3D;
import org.jtrfp.trcl.beh.phy.MovesByVelocity;
import org.jtrfp.trcl.obj.Player;
import org.jtrfp.trcl.obj.WorldObject;

public class AdjustAltitudeToPlayerBehavior extends Behavior {
    private final Player player;
    private final Cloakable playerCloakability;
    private Vector3D DOWN = new Vector3D(0, -80000, 0), UP = new Vector3D(0, 80000, 0);
    private boolean reverse = false;
    private double hysteresis = 50000;

    public AdjustAltitudeToPlayerBehavior(Player player) {
        this.player = player;
        this.playerCloakability = player.getBehavior().probeForBehavior(Cloakable.class);
    }//end AdjustAltitudeToPlayerBehavior

    @Override
    public void _tick(long tickTimeInMillis) {
        if (playerCloakability.isCloaked())
            return;
        final WorldObject thisObject = getParent();
        if (!reverse && Math.abs(player.getPosition()[1] - thisObject.getPosition()[1]) < hysteresis)
            return;
        final boolean up = (player.getPosition()[1] > thisObject.getPosition()[1]) != reverse;
        thisObject.getBehavior().probeForBehavior(MovesByVelocity.class).accellerate(up ? UP : DOWN);
    }//end _tick(...)

    public AdjustAltitudeToPlayerBehavior setAccelleration(int accelleration) {
        UP = new Vector3D(0, accelleration, 0);
        DOWN = new Vector3D(0, -accelleration, 0);
        return this;
    }//end setAccelleration

    public void setReverse(boolean reverse) {
        this.reverse = reverse;
    }

    /**
     * @return the hysteresis
     */
    public double getHysteresis() {
        return hysteresis;
    }

    /**
     * @param hysteresis the hysteresis to set
     */
    public void setHysteresis(double hysteresis) {
        this.hysteresis = hysteresis;
    }
}//end AdjustAltitudeToPlayerBehavior