Itchy / src / main / java / uk / co / nickthecoder / drunkinvaders / Level.java

/*******************************************************************************
 * Copyright (c) 2013 Nick Robinson 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
 ******************************************************************************/
package uk.co.nickthecoder.drunkinvaders;

import uk.co.nickthecoder.itchy.Actor;
import uk.co.nickthecoder.itchy.Input;
import uk.co.nickthecoder.itchy.Itchy;
import uk.co.nickthecoder.itchy.PlainSceneDirector;
import uk.co.nickthecoder.itchy.collision.CollisionStrategy;
import uk.co.nickthecoder.itchy.collision.NeighbourhoodCollisionStrategy;
import uk.co.nickthecoder.jame.event.KeyboardEvent;

public class Level extends PlainSceneDirector
{
    private int aliensRemaining;

    public boolean ending = false;

    protected Input inputExit;

    protected Input inputPause;

    protected Input inputCheat;

    public int getAliensRemaining()
    {
        return this.aliensRemaining;
    }

    @Override
    public void onActivate()
    {
        super.onActivate();
        this.inputExit = Input.find("exit");
        this.inputPause = Input.find("pause");
        this.inputCheat = Input.find("cheat");
    }

    public void addAliens( int n )
    {
        this.aliensRemaining += n;

        // We only care when the last alien was killed during play, not when fading the scene out.
        if (this.ending) {
            return;
        }

        if (this.aliensRemaining == 0) {
            this.ending = true;
            DrunkInvaders.director.nextLevel();
        }
    }

    @Override
    public void onKeyDown( KeyboardEvent ke )
    {
        if (this.inputExit.matches(ke)) {
            this.ending = true;
            Itchy.getGame().startScene("menu");
            ke.stopPropagation();
        }

        if (this.inputPause.matches(ke)) {
            DrunkInvaders.director.getGame().pause.togglePause();
            ke.stopPropagation();
        }

        if (this.inputCheat.matches(ke)) {
            addAliens(-1);
        }
    }

    @Override
    public CollisionStrategy chooseCollisionStrategy( Actor actor )
    {
        return new NeighbourhoodCollisionStrategy(actor, DrunkInvaders.director.neighbourhood);
    }

}