jmap2gml.GMX.java Source code

Introduction

Here is the source code for jmap2gml.GMX.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package jmap2gml;

import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import org.jdom2.Element;
import org.jdom2.JDOMException;
import org.jdom2.input.SAXBuilder;
import org.jdom2.output.XMLOutputter;

/**
 *
 * @author Gabriel
 */
public class GMX {

    /**
     * Generates xml formatted room file that can be read by GMS. Uses
     * external xml file as a references and adds instances for each item.
     *
     * @param items array of items from preview
     * @param os stream to write xml string to
     */
    public static void itemsToGMX(Item[] items, OutputStream os) {
        String prefix = String.format("inst_%d", System.currentTimeMillis());

        SAXBuilder saxBuilder = new SAXBuilder();
        int count = 0;

        try {
            Element room = saxBuilder.build(new File("template.xml")).getRootElement();
            Element instances = room.getChild("instances");

            for (Item item : items) {
                if (item != null) {
                    instances.addContent(new Element("instance").setAttribute("objName", item.itemName)
                            .setAttribute("x", Integer.toString(item.x)).setAttribute("y", Integer.toString(item.y))
                            .setAttribute("name", String.format("%s%d", prefix, count++))
                            .setAttribute("locked", "0").setAttribute("code", item.creationCode)
                            .setAttribute("scaleX", Double.toString(item.xScale))
                            .setAttribute("scaleY", Double.toString(item.yScale))
                            .setAttribute("colour", "4294967295").setAttribute("rotation", "0"));
                    instances.addContent("\n");
                }
            }

            XMLOutputter out = new XMLOutputter();
            out.output(room, os);

        } catch (JDOMException | IOException ex) {
        }
    }

    /**
     * Creates array of Items from given gmx file.
     * Will be used from importing gms maps
     * 
     * @param filename .room.gmx file
     * @return array of items for each instance in the room
     */
    public static Item[] gmxToItems(String filename) {
        int index = 0;
        Item[] out = null;
        String[] args;

        SAXBuilder builder = new SAXBuilder();

        try {
            Element room = builder.build(new File(filename)).getRootElement();

            out = new Item[room.getChild("instances").getChildren().size()];
            System.out.println(out.length);

            for (Element child : room.getChild("instances").getChildren()) {
                args = new String[] { child.getAttributeValue("x"), child.getAttributeValue("y"),
                        child.getAttributeValue("objName") };

                out[index] = new ItemImage(args);
                out[index].xScale = Double.parseDouble(child.getAttributeValue("scaleX"));
                out[index].yScale = Double.parseDouble(child.getAttributeValue("scaleY"));
                out[index].creationCode = child.getAttributeValue("code");

                index++;
            }

        } catch (JDOMException | IOException ex) {
        }

        return out;
    }
}