neon.editor.tools.SVGConverter.java Source code

Introduction

Here is the source code for neon.editor.tools.SVGConverter.java

Source

/*
 *   Neon, a roguelike engine.
 *   Copyright (C) 2017 - Maarten Driesen
 * 
 *   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 neon.editor.tools;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;

import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.Namespace;
import org.jdom2.input.SAXBuilder;
import org.jdom2.output.Format;
import org.jdom2.output.XMLOutputter;

/**
 * A tool to convert SVG images to a quadtree map file.
 * 
 * @author mdriesen
 *
 */
public class SVGConverter {
    private static Namespace ns = Namespace.getNamespace("svg", "http://www.w3.org/2000/svg");

    public static void main(String[] args) throws FileNotFoundException, JDOMException, IOException {
        System.out.println("loading svg file");
        Document doc = new Document();
        File file = new File("temp/neon.svg");
        doc = new SAXBuilder().build(new FileInputStream(file));

        Element svg = doc.getRootElement();
        int width = Integer.parseInt(svg.getAttributeValue("width"));
        int height = Integer.parseInt(svg.getAttributeValue("height"));

        Element terrain = svg.getChild("g", ns);

        System.out.println("saving map");
        save(terrain, width, height);
        System.out.println("finished");
    }

    private static void save(Element shapes, int width, int height) throws IOException {
        Element root = new Element("map");
        root.setAttribute("id", "aneirin");
        root.setAttribute("name", "Aneirin");
        root.setAttribute("uid", "1");
        root.setAttribute("module", "aneirin");

        Element size = new Element("size");
        size.setAttribute("width", Integer.toString(width));
        size.setAttribute("height", Integer.toString(height));
        root.addContent(size);

        int dx = 0;
        int dy = 13700;

        Element terrain = new Element("terrain");
        root.addContent(terrain);

        Element base = new Element("region");
        base.setAttribute("x", "0");
        base.setAttribute("y", "0");
        base.setAttribute("w", Integer.toString(width));
        base.setAttribute("h", Integer.toString(height));
        base.setAttribute("id", "sea");
        terrain.addContent(base);

        for (Element rect : shapes.getChildren("rect", ns)) {
            int x = Integer.parseInt(rect.getAttributeValue("x")) + dx;
            int y = Integer.parseInt(rect.getAttributeValue("y")) + dy;
            int w = Integer.parseInt(rect.getAttributeValue("width"));
            int h = Integer.parseInt(rect.getAttributeValue("height"));

            String id = "grass";
            String style = rect.getAttributeValue("style");

            if (style.contains("#ffff00")) {
                id = "sand";
            } else if (style.contains("#ff0000")) {
                id = "mud";
            } else if (style.contains("#550000")) {
                id = "rock";
            } else if (style.contains("#22cc51")) {
                id = "moss";
            } else if (style.contains("#008080")) {
                id = "marsh";
            } else if (style.contains("#bcff00")) {
                id = "meadow";
            }

            Element region = new Element("region");
            region.setAttribute("x", Integer.toString(x));
            region.setAttribute("y", Integer.toString(y));
            region.setAttribute("w", Integer.toString(w));
            region.setAttribute("h", Integer.toString(h));
            region.setAttribute("id", id);
            terrain.addContent(region);
        }

        Element elevation = new Element("elevation");
        root.addContent(elevation);

        Element entities = new Element("entities");
        root.addContent(entities);

        XMLOutputter outputter = new XMLOutputter();
        outputter.setFormat(Format.getPrettyFormat());
        outputter.output(new Document(root), new FileWriter("temp/map.xml"));
    }
}