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The main purpose of this libraryis to modernize and maintain the slick2D library.

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package com.github.mathiewz.slick.command;

/**
 * A control indicating that a particular direction must be pressed or released
 * on a controller to cause the command to fire
 *
 * @author kevin
 */
public class ControllerDirectionControl extends ControllerControl {
    /** The direction indicating we're waiting for the user to press left */
    public static final Direction LEFT = new Direction(LEFT_EVENT);
    /** The direction indicating we're waiting for the user to press up */
    public static final Direction UP = new Direction(UP_EVENT);
    /** The direction indicating we're waiting for the user to press down */
    public static final Direction DOWN = new Direction(DOWN_EVENT);
    /** The direction indicating we're waiting for the user to press right */
    public static final Direction RIGHT = new Direction(RIGHT_EVENT);

    /**
     * Create a new input that indicates a direcitonal control must be pressed
     *
     * @param controllerIndex
     *            The index of the controller to listen to
     * @param dir
     *            The direction to wait for
     */
    public ControllerDirectionControl(int controllerIndex, Direction dir) {
        super(controllerIndex, dir.event, 0);
    }

    /**
     * Enum pretender
     *
     * @author kevin
     */
    private static class Direction {
        /** The event to be fired for this direction */
        private final int event;

        /**
         * Create a new direction indicator/enum value
         *
         * @param event
         *            The event to fire when this direction is used
         */
        public Direction(int event) {
            this.event = event;
        }
    }
}