gridrover.GridRover.java Source code

Introduction

Here is the source code for gridrover.GridRover.java

Source

/*
GridRover -- A game to teach programming skills
Copyright (C) 2008-2009  "Lucas" Adam M. Paul
    
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 gridrover;

import java.util.prefs.Preferences;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
* This class is the main class of the GridRover application.  It initializes the
* Game Engine.  In the future, it will also interpret command line arguments.
*
* @author Lucas Adam M. Paul
* @version 0.0.1
*/
public class GridRover {
    private static Log log = LogFactory.getLog(GridRover.class);
    // Preference keys for this package
    private static final String MAP_WIDTH = "map_width";
    private static final String MAP_HEIGHT = "map_height";
    private static final String MAX_ELEVATION = "max_elevation";
    private static final String ELEVATION_PRECISION = "elevation_precision";

    /**
    * This method does the work of getting our application started.
    *
    * @param args Command line arguments
    */
    public static void main(String[] args) {
        System.out.println("GridRover Copyright (C) 2008-2009 Lucas Adam M. Paul");
        System.out.println("This program comes with ABSOLUTELY NO WARRANTY; for details see LICENSE.TXT.");
        System.out.println("This is free software, and you are welcome to redistribute it");
        System.out.println("under certain conditions; see LICENSE.TXT for details.\n");

        log.info("Loading preferences...");
        Preferences prefs = Preferences.userNodeForPackage(GridRover.class);
        int width = prefs.getInt(MAP_WIDTH, 10);
        int length = prefs.getInt(MAP_HEIGHT, 10);
        double maxElevation = prefs.getDouble(MAX_ELEVATION, 25.0);
        int precision = prefs.getInt(ELEVATION_PRECISION, 2);

        log.info("Loading data files...");

        XmlFileParser fileParser = new XmlFileParser(new ResourceLocater(null));
        List<Spectrum> spectra = fileParser.getSpectra("spectrum_types.xml");
        log.debug("Checking we got our spectra.");
        for (Spectrum spec : spectra) {
            log.debug("Type: " + spec.getName());
            List<String> list = spec.getColors();
            for (String color : list)
                log.debug("\tColor: " + color);
            list = spec.getShapes();
            for (String shape : list)
                log.debug("\tShape: " + shape);
        }
        //List<Thing> itemPrototypes = fileParser.getThings("physical_objects.xml");
        List<ThingBean> itemPrototypes = fileParser.getThings("physical_objects.xml", spectra);
        log.debug("Checking we got our Things.");
        for (ThingBean tb : itemPrototypes) {
            log.debug("Name: " + tb.getName());
            log.debug("Mass: " + tb.getMinMass() + " - " + tb.getMaxMass());
            log.debug("Density: " + tb.getMinDensity() + " - " + tb.getMaxDensity());
            List<AppearanceBean> appearance = tb.getAppearanceBeans();
            for (AppearanceBean ab : appearance) {
                log.debug("Under the " + ab.getStimulus() + " spectrum, " + tb.getName() + " reacts with:");
                List<ResponseBean> responses = ab.getResponseBeans();
                for (ResponseBean rb : responses) {
                    log.debug(rb.getSpectrumAction().toString() + " " + rb.getColor() + " " + rb.getShape()
                            + " in spectrum " + rb.getSpectrum());
                }
            }
        }

        log.info("Initializing GridRover...");
        GameEngine engine = new GameEngine(width, length, maxElevation, precision);
        Rover rover = new Rover("Rover", 185.0, 5.52, 100.0, new CommandlineRoverControl()); // Mass 185.0 kg, 1.5 meters tall by 2.3 meters wide by 1.6 meters long
        engine.addRover(rover, width / 2, length / 2); // Add a single rover in the middle of the map
        engine.addAmbientLighting(spectra.get(0));
        engine.scatterItemsRandomly(itemPrototypes, 0.5, 5); // 50% chance of items in a given square, up to 5 items per square

        log.info("Running GridRover...");
        engine.eventLoop();
        System.out.println("All events completed.  GridRover now terminating.");
    }
}