Java Code Examples for com.badlogic.gdx.utils.XmlReader.Element#getChildrenByName()

@Override
public Array<AssetDescriptor> getDependencies (String fileName, FileHandle tmxFile, AtlasTiledMapLoaderParameters parameter) {
	Array<AssetDescriptor> dependencies = new Array<AssetDescriptor>();
	try {
		root = xml.parse(tmxFile);

		Element properties = root.getChildByName("properties");
		if (properties != null) {
			for (Element property : properties.getChildrenByName("property")) {
				String name = property.getAttribute("name");
				String value = property.getAttribute("value");
				if (name.startsWith("atlas")) {
					FileHandle atlasHandle = getRelativeFileHandle(tmxFile, value);
					dependencies.add(new AssetDescriptor(atlasHandle, TextureAtlas.class));
				}
			}
		}
	} catch (IOException e) {
		throw new GdxRuntimeException("Unable to parse .tmx file.");
	}
	return dependencies;
}
 

protected void loadObjectGroup (TiledMap map, Element element) {
	if (element.getName().equals("objectgroup")) {
		String name = element.getAttribute("name", null);
		MapLayer layer = new MapLayer();
		layer.setName(name);
		Element properties = element.getChildByName("properties");
		if (properties != null) {
			loadProperties(layer.getProperties(), properties);
		}

		for (Element objectElement : element.getChildrenByName("object")) {
			loadObject(layer, objectElement);
		}

		map.getLayers().add(layer);
	}
}
 

/** May return null. */
protected FileHandle loadAtlas (Element root, FileHandle tmxFile) throws IOException {
	Element e = root.getChildByName("properties");

	if (e != null) {
		for (Element property : e.getChildrenByName("property")) {
			String name = property.getAttribute("name", null);
			String value = property.getAttribute("value", null);
			if (name.equals("atlas")) {
				if (value == null) {
					value = property.getText();
				}

				if (value == null || value.length() == 0) {
					// keep trying until there are no more atlas properties
					continue;
				}

				return getRelativeFileHandle(tmxFile, value);
			}
		}
	} else {
		FileHandle atlasFile = tmxFile.sibling(tmxFile.nameWithoutExtension() + ".atlas");
		return atlasFile.exists() ? atlasFile : null;
	}

	return null;
}
 

protected void loadProperties (MapProperties properties, Element element) {
	if (element.getName().equals("properties")) {
		for (Element property : element.getChildrenByName("property")) {
			String name = property.getAttribute("name", null);
			String value = property.getAttribute("value", null);
			if (value == null) {
				value = property.getText();
			}
			properties.put(name, value);
		}
	}
}
 

public TmxObjectsLoader(Element tmxRootElement) {
	this.groups = new ArrayList<>();
	Array<Element> objectgroups = tmxRootElement.getChildrenByName("objectgroup");
	for (Element objectgroupElement : objectgroups) {
		groups.add(parseObjectgroup(objectgroupElement));
	}
	this.tileWidth = tmxRootElement.getFloat("tilewidth", 32);
	this.tileHeight = tmxRootElement.getFloat("tileheight", 32);
	this.mapwidth = tmxRootElement.getInt("width", 50);
	this.mapheight = tmxRootElement.getInt("height", 50);
}
 

public TmxObjectGroup parseObjectgroup(Element element) {
	TmxObjectGroup group = new TmxObjectGroup(
			element.get("name", ""),
			element.getFloat("width", 0),
			element.getFloat("height", 0));

	Array<Element> objs = element.getChildrenByName("object");
	for (Element obj : objs) {
		Type type = null;
		String points = "";
		if (obj.getChildCount() == 0) type = Type.RECTANGLE;
		else {
			switch (obj.getChild(0).getName().toLowerCase()) {
			case "polygon": type = Type.POLYGON; break;
			case "polyline": type = Type.POLYLINE; break;
			case "ellipse": type = Type.ELLIPSE; break;
			default: type = Type.RECTANGLE; break;
			}
			if (type == Type.POLYGON || type == Type.POLYLINE) {
				points = obj.getChild(0).getAttribute("points", "0,0");
			}
		}

		group.objects.add(new TmxObject(
				obj.get("name", ""),
				obj.get("type", ""),
				points,
				type,
				obj.getFloat("x", 0),
				obj.getFloat("y", 0),
				obj.getFloat("width", 0),
				obj.getFloat("height", 0)));
	}

	return group;
}
 

public static ProjectData openProject(String path) throws Exception {
	File projectFile = new File(path);
	if (!projectFile.exists()) { throw new Exception(); }
	
	File xmlFile = new File(path);
	BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(xmlFile), "utf8"));
	
	XmlReader xmlReader = new XmlReader();
	Element xmlRoot = xmlReader.parse(br);
	if (xmlRoot == null) { throw new Exception(); }
	
	String projName = xmlRoot.get("name", "");
	String projPath = new File(path).getParent(); //xmlRoot.get("path", ""); //TODO
	if ((projName.length() <= 0) || (projPath.length() <= 0)) { throw new Exception(); }
	
	ProjectData projData = new ProjectData();
	projData.setName(projName);
	projData.setPath(projPath);
	
	Array<Element> screensRoot = xmlRoot.getChildrenByName("screen");
	if ((screensRoot == null) || (screensRoot.size <= 0)) { return projData; }
	
	String xmlPath;
	String jsonPath;
	for (int i=0; i<screensRoot.size; i++) {
		xmlPath  = screensRoot.get(i).get("xml",  "");
		jsonPath = screensRoot.get(i).get("json", "");
		if ((xmlPath.length() <= 0) || (jsonPath.length() <= 0)) { throw new Exception(); }
		ScreenData scrData = getScreenFromJSON(projPath, jsonPath);
		//ScreenData scrData = getScreenFromXML(projPath, xmlPath);
		if (scrData == null) { throw new Exception(); }
		projData.getScreens().add(scrData);
	}
	
	return projData;
}