protected FileHandle loadAtlas(Element root, FileHandle tmxFile) throws IOException {
Element e = root.getChildByName("properties");
Array<FileHandle> atlases = new Array<FileHandle>();
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);
}
}
}
return null;
}
/**
* Loads the map data, given the XML root element and an {@link ImageResolver} used to return the
* tileset Textures
*
* @param root the XML root element
* @param tmxFile the Filehandle of the tmx file
* @param imageResolver the {@link ImageResolver}
* @return the {@link TiledMap}
*/
private TiledMap loadMap(Element root, FileHandle tmxFile, ImageResolver imageResolver) {
TiledMap map = new TiledMap();
Element properties = root.getChildByName("properties");
if (properties != null) {
loadProperties(map.getProperties(), properties);
}
Element tilesheets = root.getChildByName("TileSheets");
for (Element tilesheet : tilesheets.getChildrenByName("TileSheet")) {
loadTileSheet(map, tilesheet, tmxFile, imageResolver);
}
Element layers = root.getChildByName("Layers");
for (Element layer : layers.getChildrenByName("Layer")) {
loadLayer(map, layer);
}
return map;
}
@Override
public Array<AssetDescriptor> getDependencies(
String fileName, FileHandle fileHandle, AtlasTiledMapLoaderParameters parameter) {
Array<AssetDescriptor> dependencies = new Array<AssetDescriptor>();
FileHandle tmxFile = resolve(fileName);
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);
atlasHandle = resolve(atlasHandle.path());
dependencies.add(new AssetDescriptor(atlasHandle.path(), TextureAtlas.class));
}
}
}
} catch (IOException e) {
throw new GdxRuntimeException("Unable to parse .tmx file.");
}
return dependencies;
}
public Joint(Element animationElement) {
Array<Element> nodes = animationElement.getChildrenByName("node");
Element jointNode = null;
for (int i = 0; i < nodes.size; i++) {
Element e = nodes.get(i);
Array<Element> subNodes = e.getChildrenByName("node");
if (subNodes.size > 0 && subNodes.get(0).getAttribute("type").equalsIgnoreCase("JOINT")) {
jointNode = e;
break;
}
}
if (jointNode == null) {
throw new GdxRuntimeException("no Joint element in scene");
}
joint = getJoint(jointNode, true);
}
/**
* Loads the tilesets
*
* @param root the root XML element
* @return a list of filenames for images containing tiles
* @throws IOException
*/
private Array<FileHandle> loadTileSheets(Element root, FileHandle tideFile) throws IOException {
Array<FileHandle> images = new Array<FileHandle>();
Element tilesheets = root.getChildByName("TileSheets");
for (Element tileset : tilesheets.getChildrenByName("TileSheet")) {
Element imageSource = tileset.getChildByName("ImageSource");
FileHandle image = getRelativeFileHandle(tideFile, imageSource.getText());
images.add(image);
}
return images;
}
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);
}
}
}
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);
}
}
private void loadProperties(MapProperties properties, Element element) {
if (element.getName().equals("Properties")) {
for (Element property : element.getChildrenByName("Property")) {
String key = property.getAttribute("Key", null);
String type = property.getAttribute("Type", null);
String value = property.getText();
if (type.equals("Int32")) {
properties.put(key, Integer.parseInt(value));
} else if (type.equals("String")) {
properties.put(key, value);
} else if (type.equals("Boolean")) {
properties.put(key, value.equalsIgnoreCase("true"));
} else {
properties.put(key, value);
}
}
}
}
SkeletonJoint getJoint(Element jointNode, boolean isRootNode) {
SkeletonJoint joint = new SkeletonJoint();
joint.name = jointNode.getAttribute("id");
if (!isRootNode) {
Element matrixElement = jointNode.getChildByName("matrix");
if (matrixElement != null) {
Matrix4 m = getMatrix(matrixElement);
m.getTranslation(joint.position);
m.getRotation(joint.rotation);
// TODO: get scale from matrix
}
}
Array<Element> nodes = jointNode.getChildrenByName("node");
for (int i = 0; i < nodes.size; i++) {
SkeletonJoint child = getJoint(nodes.get(i), false);
if (!isRootNode) {
child.parent = joint;
}
joint.children.add(child);
}
return joint;
}
protected void loadTileset(
TiledMap map,
Element element,
FileHandle tmxFile,
AtlasResolver resolver,
AtlasTiledMapLoaderParameters parameter) {
if (element.getName().equals("tileset")) {
String name = element.get("name", null);
int firstgid = element.getIntAttribute("firstgid", 1);
int tilewidth = element.getIntAttribute("tilewidth", 0);
int tileheight = element.getIntAttribute("tileheight", 0);
int spacing = element.getIntAttribute("spacing", 0);
int margin = element.getIntAttribute("margin", 0);
String source = element.getAttribute("source", null);
String imageSource = "";
int imageWidth = 0, imageHeight = 0;
FileHandle image = null;
if (source != null) {
FileHandle tsx = getRelativeFileHandle(tmxFile, source);
try {
element = xml.parse(tsx);
name = element.get("name", null);
tilewidth = element.getIntAttribute("tilewidth", 0);
tileheight = element.getIntAttribute("tileheight", 0);
spacing = element.getIntAttribute("spacing", 0);
margin = element.getIntAttribute("margin", 0);
imageSource = element.getChildByName("image").getAttribute("source");
imageWidth = element.getChildByName("image").getIntAttribute("width", 0);
imageHeight = element.getChildByName("image").getIntAttribute("height", 0);
} catch (IOException e) {
throw new GdxRuntimeException("Error parsing external tileset.");
}
} else {
imageSource = element.getChildByName("image").getAttribute("source");
imageWidth = element.getChildByName("image").getIntAttribute("width", 0);
imageHeight = element.getChildByName("image").getIntAttribute("height", 0);
}
// get the TextureAtlas for this tileset
TextureAtlas atlas = null;
String regionsName = "";
if (map.getProperties().containsKey("atlas")) {
FileHandle atlasHandle =
getRelativeFileHandle(tmxFile, map.getProperties().get("atlas", String.class));
atlasHandle = resolve(atlasHandle.path());
atlas = resolver.getAtlas(atlasHandle.path());
regionsName = atlasHandle.nameWithoutExtension();
if (parameter != null && parameter.forceTextureFilters) {
for (Texture texture : atlas.getTextures()) {
trackedTextures.add(texture);
}
}
}
TiledMapTileSet tileset = new TiledMapTileSet();
MapProperties props = tileset.getProperties();
tileset.setName(name);
props.put("firstgid", firstgid);
props.put("imagesource", imageSource);
props.put("imagewidth", imageWidth);
props.put("imageheight", imageHeight);
props.put("tilewidth", tilewidth);
props.put("tileheight", tileheight);
props.put("margin", margin);
props.put("spacing", spacing);
Array<AtlasRegion> regions = atlas.findRegions(regionsName);
for (AtlasRegion region : regions) {
// handle unused tile ids
if (region != null) {
StaticTiledMapTile tile = new StaticTiledMapTile(region);
if (!yUp) {
region.flip(false, true);
}
int tileid = firstgid + region.index;
tile.setId(tileid);
tileset.putTile(tileid, tile);
}
}
Array<Element> tileElements = element.getChildrenByName("tile");
for (Element tileElement : tileElements) {
int localtid = tileElement.getIntAttribute("id", 0);
TiledMapTile tile = tileset.getTile(firstgid + localtid);
if (tile != null) {
String terrain = tileElement.getAttribute("terrain", null);
if (terrain != null) {
tile.getProperties().put("terrain", terrain);
}
String probability = tileElement.getAttribute("probability", null);
if (probability != null) {
tile.getProperties().put("probability", probability);
}
Element properties = tileElement.getChildByName("properties");
if (properties != null) {
loadProperties(tile.getProperties(), properties);
}
}
}
Element properties = element.getChildByName("properties");
if (properties != null) {
loadProperties(tileset.getProperties(), properties);
}
map.getTileSets().addTileSet(tileset);
}
}
private void loadLayer(TiledMap map, Element element) {
if (element.getName().equals("Layer")) {
String id = element.getAttribute("Id");
String visible = element.getAttribute("Visible");
Element dimensions = element.getChildByName("Dimensions");
String layerSize = dimensions.getAttribute("LayerSize");
String tileSize = dimensions.getAttribute("TileSize");
String[] layerSizeParts = layerSize.split(" x ");
int layerSizeX = Integer.parseInt(layerSizeParts[0]);
int layerSizeY = Integer.parseInt(layerSizeParts[1]);
String[] tileSizeParts = tileSize.split(" x ");
int tileSizeX = Integer.parseInt(tileSizeParts[0]);
int tileSizeY = Integer.parseInt(tileSizeParts[1]);
TiledMapTileLayer layer = new TiledMapTileLayer(layerSizeX, layerSizeY, tileSizeX, tileSizeY);
Element tileArray = element.getChildByName("TileArray");
Array<Element> rows = tileArray.getChildrenByName("Row");
TiledMapTileSets tilesets = map.getTileSets();
TiledMapTileSet currentTileSet = null;
int firstgid = 0;
int x, y;
for (int row = 0, rowCount = rows.size; row < rowCount; row++) {
Element currentRow = rows.get(row);
y = rowCount - 1 - row;
x = 0;
for (int child = 0, childCount = currentRow.getChildCount(); child < childCount; child++) {
Element currentChild = currentRow.getChild(child);
String name = currentChild.getName();
if (name.equals("TileSheet")) {
currentTileSet = tilesets.getTileSet(currentChild.getAttribute("Ref"));
firstgid = currentTileSet.getProperties().get("firstgid", Integer.class);
} else if (name.equals("Null")) {
x += currentChild.getIntAttribute("Count");
} else if (name.equals("Static")) {
Cell cell = new Cell();
cell.setTile(currentTileSet.getTile(firstgid + currentChild.getIntAttribute("Index")));
layer.setCell(x++, y, cell);
} else if (name.equals("Animated")) {
// Create an AnimatedTile
int interval = currentChild.getInt("Interval");
Element frames = currentChild.getChildByName("Frames");
Array<StaticTiledMapTile> frameTiles = new Array<StaticTiledMapTile>();
for (int frameChild = 0, frameChildCount = frames.getChildCount();
frameChild < frameChildCount;
frameChild++) {
Element frame = frames.getChild(frameChild);
String frameName = frame.getName();
if (frameName.equals("TileSheet")) {
currentTileSet = tilesets.getTileSet(frame.getAttribute("Ref"));
firstgid = currentTileSet.getProperties().get("firstgid", Integer.class);
} else if (frameName.equals("Static")) {
frameTiles.add(
(StaticTiledMapTile)
currentTileSet.getTile(firstgid + frame.getIntAttribute("Index")));
}
}
Cell cell = new Cell();
cell.setTile(new AnimatedTiledMapTile(interval / 1000f, frameTiles));
layer.setCell(x++, y, cell); // TODO: Reuse existing animated tiles
}
}
}
map.getLayers().add(layer);
}
}