Skip to content

Instantly share code, notes, and snippets.

@doriancransac

doriancransac/HijackedBaseTmxMapLoader.java

Last active November 20, 2020 23:59
Show Gist options
  • Save doriancransac/15f0ae1ea0ebc74a84c99988f121664a to your computer and use it in GitHub Desktop.
Save doriancransac/15f0ae1ea0ebc74a84c99988f121664a to your computer and use it in GitHub Desktop.
Download ZIP
A hijacked TileMap loader for libgdx which works in headless context (i.e without ANY Gdx context)
Raw
HijackedBaseTmxMapLoader.java
import com.badlogic.gdx.assets.AssetDescriptor;
import com.badlogic.gdx.assets.AssetLoaderParameters;
import com.badlogic.gdx.assets.loaders.AsynchronousAssetLoader;
import com.badlogic.gdx.assets.loaders.FileHandleResolver;
import com.badlogic.gdx.assets.loaders.TextureLoader;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.Texture.TextureFilter;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.maps.*;
import com.badlogic.gdx.maps.objects.EllipseMapObject;
import com.badlogic.gdx.maps.objects.PolygonMapObject;
import com.badlogic.gdx.maps.objects.PolylineMapObject;
import com.badlogic.gdx.maps.objects.RectangleMapObject;
import com.badlogic.gdx.maps.tiled.*;
import com.badlogic.gdx.maps.tiled.TiledMapTileLayer.Cell;
import com.badlogic.gdx.maps.tiled.objects.TiledMapTileMapObject;
import com.badlogic.gdx.maps.tiled.tiles.AnimatedTiledMapTile;
import com.badlogic.gdx.maps.tiled.tiles.StaticTiledMapTile;
import com.badlogic.gdx.math.Polygon;
import com.badlogic.gdx.math.Polyline;
import com.badlogic.gdx.utils.*;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.StringTokenizer;
import java.util.zip.GZIPInputStream;
import java.util.zip.InflaterInputStream;
public abstract class HijackedBaseTmxMapLoader<P extends com.badlogic.gdx.maps.tiled.BaseTmxMapLoader.Parameters> extends AsynchronousAssetLoader<TiledMap, P> {
public static class Parameters extends AssetLoaderParameters<TiledMap> {
/** generate mipmaps? **/
public boolean generateMipMaps = false;
/** The TextureFilter to use for minification **/
public TextureFilter textureMinFilter = TextureFilter.Nearest;
/** The TextureFilter to use for magnification **/
public TextureFilter textureMagFilter = TextureFilter.Nearest;
/** Whether to convert the objects' pixel position and size to the equivalent in tile space. **/
public boolean convertObjectToTileSpace = false;
/** Whether to flip all Y coordinates so that Y positive is up. All LibGDX renderers require flipped Y coordinates, and
* thus flipY set to true. This parameter is included for non-rendering related purposes of TMX files, or custom renderers. */
public boolean flipY = true;
}
protected static final int FLAG_FLIP_HORIZONTALLY = 0x80000000;
protected static final int FLAG_FLIP_VERTICALLY = 0x40000000;
protected static final int FLAG_FLIP_DIAGONALLY = 0x20000000;
protected static final int MASK_CLEAR = 0xE0000000;
protected XmlReader xml = new XmlReader();
protected XmlReader.Element root;
protected boolean convertObjectToTileSpace;
protected boolean flipY = true;
protected int mapTileWidth;
protected int mapTileHeight;
protected int mapWidthInPixels;
protected int mapHeightInPixels;
protected TiledMap map;
public HijackedBaseTmxMapLoader (FileHandleResolver resolver) {
super(resolver);
}
@Override
public Array<AssetDescriptor> getDependencies (String fileName, FileHandle tmxFile, P parameter) {
this.root = xml.parse(tmxFile);
TextureLoader.TextureParameter textureParameter = new TextureLoader.TextureParameter();
if (parameter != null) {
textureParameter.genMipMaps = parameter.generateMipMaps;
textureParameter.minFilter = parameter.textureMinFilter;
textureParameter.magFilter = parameter.textureMagFilter;
}
return getDependencyAssetDescriptors(tmxFile, textureParameter);
}
protected abstract Array<AssetDescriptor> getDependencyAssetDescriptors (FileHandle tmxFile, TextureLoader.TextureParameter textureParameter);
/**
* Loads the map data, given the XML root element
*
* @param tmxFile the Filehandle of the tmx file
* @param parameter
* @return the {@link TiledMap}
*/
protected TiledMap loadTiledMap (FileHandle tmxFile, P parameter) {
this.map = new TiledMap();
if (parameter != null) {
this.convertObjectToTileSpace = parameter.convertObjectToTileSpace;
this.flipY = parameter.flipY;
} else {
this.convertObjectToTileSpace = false;
this.flipY = true;
}
String mapOrientation = root.getAttribute("orientation", null);
int mapWidth = root.getIntAttribute("width", 0);
int mapHeight = root.getIntAttribute("height", 0);
int tileWidth = root.getIntAttribute("tilewidth", 0);
int tileHeight = root.getIntAttribute("tileheight", 0);
int hexSideLength = root.getIntAttribute("hexsidelength", 0);
String staggerAxis = root.getAttribute("staggeraxis", null);
String staggerIndex = root.getAttribute("staggerindex", null);
String mapBackgroundColor = root.getAttribute("backgroundcolor", null);
MapProperties mapProperties = map.getProperties();
if (mapOrientation != null) {
mapProperties.put("orientation", mapOrientation);
}
mapProperties.put("width", mapWidth);
mapProperties.put("height", mapHeight);
mapProperties.put("tilewidth", tileWidth);
mapProperties.put("tileheight", tileHeight);
mapProperties.put("hexsidelength", hexSideLength);
if (staggerAxis != null) {
mapProperties.put("staggeraxis", staggerAxis);
}
if (staggerIndex != null) {
mapProperties.put("staggerindex", staggerIndex);
}
if (mapBackgroundColor != null) {
mapProperties.put("backgroundcolor", mapBackgroundColor);
}
this.mapTileWidth = tileWidth;
this.mapTileHeight = tileHeight;
this.mapWidthInPixels = mapWidth * tileWidth;
this.mapHeightInPixels = mapHeight * tileHeight;
if (mapOrientation != null) {
if ("staggered".equals(mapOrientation)) {
if (mapHeight > 1) {
this.mapWidthInPixels += tileWidth / 2;
this.mapHeightInPixels = mapHeightInPixels / 2 + tileHeight / 2;
}
}
}
XmlReader.Element properties = root.getChildByName("properties");
if (properties != null) {
loadProperties(map.getProperties(), properties);
}
Array<XmlReader.Element> tilesets = root.getChildrenByName("tileset");
for (XmlReader.Element element : tilesets) {
loadTileSet(element, tmxFile);
root.removeChild(element);
}
for (int i = 0, j = root.getChildCount(); i < j; i++) {
XmlReader.Element element = root.getChild(i);
loadLayer(map, map.getLayers(), element, tmxFile);
}
return map;
}
protected void loadLayer (TiledMap map, MapLayers parentLayers, XmlReader.Element element, FileHandle tmxFile) {
String name = element.getName();
if (name.equals("group")) {
loadLayerGroup(map, parentLayers, element, tmxFile);
} else if (name.equals("layer")) {
loadTileLayer(map, parentLayers, element);
} else if (name.equals("objectgroup")) {
loadObjectGroup(map, parentLayers, element);
} else if (name.equals("imagelayer")) {
loadImageLayer(map, parentLayers, element, tmxFile);
}
}
protected void loadLayerGroup (TiledMap map, MapLayers parentLayers, XmlReader.Element element, FileHandle tmxFile) {
if (element.getName().equals("group")) {
MapGroupLayer groupLayer = new MapGroupLayer();
loadBasicLayerInfo(groupLayer, element);
XmlReader.Element properties = element.getChildByName("properties");
if (properties != null) {
loadProperties(groupLayer.getProperties(), properties);
}
for (int i = 0, j = element.getChildCount(); i < j; i++) {
XmlReader.Element child = element.getChild(i);
loadLayer(map, groupLayer.getLayers(), child, tmxFile);
}
for (MapLayer layer : groupLayer.getLayers()) {
layer.setParent(groupLayer);
}
parentLayers.add(groupLayer);
}
}
protected void loadTileLayer (TiledMap map, MapLayers parentLayers, XmlReader.Element element) {
if (element.getName().equals("layer")) {
int width = element.getIntAttribute("width", 0);
int height = element.getIntAttribute("height", 0);
int tileWidth = map.getProperties().get("tilewidth", Integer.class);
int tileHeight = map.getProperties().get("tileheight", Integer.class);
TiledMapTileLayer layer = new TiledMapTileLayer(width, height, tileWidth, tileHeight);
loadBasicLayerInfo(layer, element);
int[] ids = getTileIds(element, width, height);
TiledMapTileSets tilesets = map.getTileSets();
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
int id = ids[y * width + x];
boolean flipHorizontally = ((id & FLAG_FLIP_HORIZONTALLY) != 0);
boolean flipVertically = ((id & FLAG_FLIP_VERTICALLY) != 0);
boolean flipDiagonally = ((id & FLAG_FLIP_DIAGONALLY) != 0);
TiledMapTile tile = tilesets.getTile(id & ~MASK_CLEAR);
if (tile != null) {
TiledMapTileLayer.Cell cell = createTileLayerCell(flipHorizontally, flipVertically, flipDiagonally);
cell.setTile(tile);
layer.setCell(x, flipY ? height - 1 - y : y, cell);
}
}
}
XmlReader.Element properties = element.getChildByName("properties");
if (properties != null) {
loadProperties(layer.getProperties(), properties);
}
parentLayers.add(layer);
}
}
protected void loadObjectGroup (TiledMap map, MapLayers parentLayers, XmlReader.Element element) {
if (element.getName().equals("objectgroup")) {
MapLayer layer = new MapLayer();
loadBasicLayerInfo(layer, element);
XmlReader.Element properties = element.getChildByName("properties");
if (properties != null) {
loadProperties(layer.getProperties(), properties);
}
for (XmlReader.Element objectElement : element.getChildrenByName("object")) {
loadObject(map, layer, objectElement);
}
parentLayers.add(layer);
}
}
protected void loadImageLayer (TiledMap map, MapLayers parentLayers, XmlReader.Element element, FileHandle tmxFile) {
if (element.getName().equals("imagelayer")) {
float x = 0;
float y = 0;
if (element.hasAttribute("offsetx")) {
x = Float.parseFloat(element.getAttribute("offsetx", "0"));
} else {
x = Float.parseFloat(element.getAttribute("x", "0"));
}
if (element.hasAttribute("offsety")) {
y = Float.parseFloat(element.getAttribute("offsety", "0"));
} else {
y = Float.parseFloat(element.getAttribute("y", "0"));
}
if (flipY) y = mapHeightInPixels - y;
XmlReader.Element image = element.getChildByName("image");
if (image != null) {
String source = image.getAttribute("source");
FileHandle handle = getRelativeFileHandle(tmxFile, source);
}
HijackedMapImageLayer layer = new HijackedMapImageLayer(x, y);
loadBasicLayerInfo(layer, element);
XmlReader.Element properties = element.getChildByName("properties");
if (properties != null) {
loadProperties(layer.getProperties(), properties);
}
parentLayers.add(layer);
}
}
protected void loadBasicLayerInfo (MapLayer layer, XmlReader.Element element) {
String name = element.getAttribute("name", null);
float opacity = Float.parseFloat(element.getAttribute("opacity", "1.0"));
boolean visible = element.getIntAttribute("visible", 1) == 1;
float offsetX = element.getFloatAttribute("offsetx", 0);
float offsetY = element.getFloatAttribute("offsety", 0);
layer.setName(name);
layer.setOpacity(opacity);
layer.setVisible(visible);
layer.setOffsetX(offsetX);
layer.setOffsetY(offsetY);
}
protected void loadObject (TiledMap map, MapLayer layer, XmlReader.Element element) {
loadObject(map, layer.getObjects(), element, mapHeightInPixels);
}
protected void loadObject (TiledMap map, TiledMapTile tile, XmlReader.Element element) {
loadObject(map, tile.getObjects(), element, tile.getTextureRegion().getRegionHeight());
}
protected void loadObject (TiledMap map, MapObjects objects, XmlReader.Element element, float heightInPixels) {
if (element.getName().equals("object")) {
MapObject object = null;
float scaleX = convertObjectToTileSpace ? 1.0f / mapTileWidth : 1.0f;
float scaleY = convertObjectToTileSpace ? 1.0f / mapTileHeight : 1.0f;
float x = element.getFloatAttribute("x", 0) * scaleX;
float y = (flipY ? (heightInPixels - element.getFloatAttribute("y", 0)) : element.getFloatAttribute("y", 0)) * scaleY;
float width = element.getFloatAttribute("width", 0) * scaleX;
float height = element.getFloatAttribute("height", 0) * scaleY;
if (element.getChildCount() > 0) {
XmlReader.Element child = null;
if ((child = element.getChildByName("polygon")) != null) {
String[] points = child.getAttribute("points").split(" ");
float[] vertices = new float[points.length * 2];
for (int i = 0; i < points.length; i++) {
String[] point = points[i].split(",");
vertices[i * 2] = Float.parseFloat(point[0]) * scaleX;
vertices[i * 2 + 1] = Float.parseFloat(point[1]) * scaleY * (flipY ? -1 : 1);
}
Polygon polygon = new Polygon(vertices);
polygon.setPosition(x, y);
object = new PolygonMapObject(polygon);
} else if ((child = element.getChildByName("polyline")) != null) {
String[] points = child.getAttribute("points").split(" ");
float[] vertices = new float[points.length * 2];
for (int i = 0; i < points.length; i++) {
String[] point = points[i].split(",");
vertices[i * 2] = Float.parseFloat(point[0]) * scaleX;
vertices[i * 2 + 1] = Float.parseFloat(point[1]) * scaleY * (flipY ? -1 : 1);
}
Polyline polyline = new Polyline(vertices);
polyline.setPosition(x, y);
object = new PolylineMapObject(polyline);
} else if ((child = element.getChildByName("ellipse")) != null) {
object = new EllipseMapObject(x, flipY ? y - height : y, width, height);
}
}
if (object == null) {
String gid = null;
if ((gid = element.getAttribute("gid", null)) != null) {
int id = (int)Long.parseLong(gid);
boolean flipHorizontally = ((id & FLAG_FLIP_HORIZONTALLY) != 0);
boolean flipVertically = ((id & FLAG_FLIP_VERTICALLY) != 0);
TiledMapTile tile = map.getTileSets().getTile(id & ~MASK_CLEAR);
TiledMapTileMapObject tiledMapTileMapObject = new TiledMapTileMapObject(tile, flipHorizontally, flipVertically);
TextureRegion textureRegion = tiledMapTileMapObject.getTextureRegion();
tiledMapTileMapObject.getProperties().put("gid", id);
tiledMapTileMapObject.setX(x);
tiledMapTileMapObject.setY(flipY ? y : y - height);
float objectWidth = element.getFloatAttribute("width", textureRegion.getRegionWidth());
float objectHeight = element.getFloatAttribute("height", textureRegion.getRegionHeight());
tiledMapTileMapObject.setScaleX(scaleX * (objectWidth / textureRegion.getRegionWidth()));
tiledMapTileMapObject.setScaleY(scaleY * (objectHeight / textureRegion.getRegionHeight()));
tiledMapTileMapObject.setRotation(element.getFloatAttribute("rotation", 0));
object = tiledMapTileMapObject;
} else {
object = new RectangleMapObject(x, flipY ? y - height : y, width, height);
}
}
object.setName(element.getAttribute("name", null));
String rotation = element.getAttribute("rotation", null);
if (rotation != null) {
object.getProperties().put("rotation", Float.parseFloat(rotation));
}
String type = element.getAttribute("type", null);
if (type != null) {
object.getProperties().put("type", type);
}
int id = element.getIntAttribute("id", 0);
if (id != 0) {
object.getProperties().put("id", id);
}
object.getProperties().put("x", x);
if (object instanceof TiledMapTileMapObject) {
object.getProperties().put("y", y);
} else {
object.getProperties().put("y", (flipY ? y - height : y));
}
object.getProperties().put("width", width);
object.getProperties().put("height", height);
object.setVisible(element.getIntAttribute("visible", 1) == 1);
XmlReader.Element properties = element.getChildByName("properties");
if (properties != null) {
loadProperties(object.getProperties(), properties);
}
objects.add(object);
}
}
protected void loadProperties (MapProperties properties, XmlReader.Element element) {
if (element == null) return;
if (element.getName().equals("properties")) {
for (XmlReader.Element property : element.getChildrenByName("property")) {
String name = property.getAttribute("name", null);
String value = property.getAttribute("value", null);
String type = property.getAttribute("type", null);
if (value == null) {
value = property.getText();
}
Object castValue = castProperty(name, value, type);
properties.put(name, castValue);
}
}
}
private Object castProperty (String name, String value, String type) {
if (type == null) {
return value;
} else if (type.equals("int")) {
return Integer.valueOf(value);
} else if (type.equals("float")) {
return Float.valueOf(value);
} else if (type.equals("bool")) {
return Boolean.valueOf(value);
} else if (type.equals("color")) {
// Tiled uses the format #AARRGGBB
String opaqueColor = value.substring(3);
String alpha = value.substring(1, 3);
return Color.valueOf(opaqueColor + alpha);
} else {
throw new GdxRuntimeException("Wrong type given for property " + name + ", given : " + type
+ ", supported : string, bool, int, float, color");
}
}
protected TiledMapTileLayer.Cell createTileLayerCell (boolean flipHorizontally, boolean flipVertically, boolean flipDiagonally) {
TiledMapTileLayer.Cell cell = new TiledMapTileLayer.Cell();
if (flipDiagonally) {
if (flipHorizontally && flipVertically) {
cell.setFlipHorizontally(true);
cell.setRotation(Cell.ROTATE_270);
} else if (flipHorizontally) {
cell.setRotation(Cell.ROTATE_270);
} else if (flipVertically) {
cell.setRotation(Cell.ROTATE_90);
} else {
cell.setFlipVertically(true);
cell.setRotation(Cell.ROTATE_270);
}
} else {
cell.setFlipHorizontally(flipHorizontally);
cell.setFlipVertically(flipVertically);
}
return cell;
}
static public int[] getTileIds (XmlReader.Element element, int width, int height) {
XmlReader.Element data = element.getChildByName("data");
String encoding = data.getAttribute("encoding", null);
if (encoding == null) { // no 'encoding' attribute means that the encoding is XML
throw new GdxRuntimeException("Unsupported encoding (XML) for TMX Layer Data");
}
int[] ids = new int[width * height];
if (encoding.equals("csv")) {
String[] array = data.getText().split(",");
for (int i = 0; i < array.length; i++)
ids[i] = (int)Long.parseLong(array[i].trim());
} else {
if (true)
if (encoding.equals("base64")) {
InputStream is = null;
try {
String compression = data.getAttribute("compression", null);
byte[] bytes = Base64Coder.decode(data.getText());
if (compression == null)
is = new ByteArrayInputStream(bytes);
else if (compression.equals("gzip"))
is = new BufferedInputStream(new GZIPInputStream(new ByteArrayInputStream(bytes), bytes.length));
else if (compression.equals("zlib"))
is = new BufferedInputStream(new InflaterInputStream(new ByteArrayInputStream(bytes)));
else
throw new GdxRuntimeException("Unrecognised compression (" + compression + ") for TMX Layer Data");
byte[] temp = new byte[4];
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
int read = is.read(temp);
while (read < temp.length) {
int curr = is.read(temp, read, temp.length - read);
if (curr == -1) break;
read += curr;
}
if (read != temp.length)
throw new GdxRuntimeException("Error Reading TMX Layer Data: Premature end of tile data");
ids[y * width + x] = unsignedByteToInt(temp[0]) | unsignedByteToInt(temp[1]) << 8
| unsignedByteToInt(temp[2]) << 16 | unsignedByteToInt(temp[3]) << 24;
}
}
} catch (IOException e) {
throw new GdxRuntimeException("Error Reading TMX Layer Data - IOException: " + e.getMessage());
} finally {
StreamUtils.closeQuietly(is);
}
} else {
// any other value of 'encoding' is one we're not aware of, probably a feature of a future version of Tiled
// or another editor
throw new GdxRuntimeException("Unrecognised encoding (" + encoding + ") for TMX Layer Data");
}
}
return ids;
}
protected static int unsignedByteToInt (byte b) {
return b & 0xFF;
}
protected static FileHandle getRelativeFileHandle (FileHandle file, String path) {
StringTokenizer tokenizer = new StringTokenizer(path, "\\/");
FileHandle result = file.parent();
while (tokenizer.hasMoreElements()) {
String token = tokenizer.nextToken();
if (token.equals(".."))
result = result.parent();
else {
result = result.child(token);
}
}
return result;
}
protected void loadTileSet (XmlReader.Element element, FileHandle tmxFile) {
if (element.getName().equals("tileset")) {
int firstgid = element.getIntAttribute("firstgid", 1);
String imageSource = "";
int imageWidth = 0;
int imageHeight = 0;
FileHandle image = null;
String source = element.getAttribute("source", null);
if (source != null) {
FileHandle tsx = getRelativeFileHandle(tmxFile, source);
try {
element = xml.parse(tsx);
XmlReader.Element imageElement = element.getChildByName("image");
if (imageElement != null) {
imageSource = imageElement.getAttribute("source");
imageWidth = imageElement.getIntAttribute("width", 0);
imageHeight = imageElement.getIntAttribute("height", 0);
image = getRelativeFileHandle(tsx, imageSource);
}
} catch (SerializationException e) {
throw new GdxRuntimeException("Error parsing external tileset.");
}
} else {
XmlReader.Element imageElement = element.getChildByName("image");
if (imageElement != null) {
imageSource = imageElement.getAttribute("source");
imageWidth = imageElement.getIntAttribute("width", 0);
imageHeight = imageElement.getIntAttribute("height", 0);
image = getRelativeFileHandle(tmxFile, imageSource);
}
}
String name = element.get("name", null);
int tilewidth = element.getIntAttribute("tilewidth", 0);
int tileheight = element.getIntAttribute("tileheight", 0);
int spacing = element.getIntAttribute("spacing", 0);
int margin = element.getIntAttribute("margin", 0);
XmlReader.Element offset = element.getChildByName("tileoffset");
int offsetX = 0;
int offsetY = 0;
if (offset != null) {
offsetX = offset.getIntAttribute("x", 0);
offsetY = offset.getIntAttribute("y", 0);
}
TiledMapTileSet tileSet = new TiledMapTileSet();
// TileSet
tileSet.setName(name);
final MapProperties tileSetProperties = tileSet.getProperties();
XmlReader.Element properties = element.getChildByName("properties");
if (properties != null) {
loadProperties(tileSetProperties, properties);
}
tileSetProperties.put("firstgid", firstgid);
// Tiles
Array<XmlReader.Element> tileElements = element.getChildrenByName("tile");
addStaticTiles(tmxFile, tileSet, element, tileElements, name, firstgid, tilewidth, tileheight, spacing,
margin, source, offsetX, offsetY, imageSource, imageWidth, imageHeight, image);
Array<AnimatedTiledMapTile> animatedTiles = new Array<AnimatedTiledMapTile>();
for (XmlReader.Element tileElement : tileElements) {
int localtid = tileElement.getIntAttribute("id", 0);
TiledMapTile tile = tileSet.getTile(firstgid + localtid);
if (tile != null) {
AnimatedTiledMapTile animatedTile = createAnimatedTile(tileSet, tile, tileElement, firstgid);
if (animatedTile != null) {
animatedTiles.add(animatedTile);
tile = animatedTile;
}
addTileProperties(tile, tileElement);
addTileObjectGroup(tile, tileElement);
}
}
// replace original static tiles by animated tiles
for (AnimatedTiledMapTile animatedTile : animatedTiles) {
tileSet.putTile(animatedTile.getId(), animatedTile);
}
map.getTileSets().addTileSet(tileSet);
}
}
protected abstract void addStaticTiles (FileHandle tmxFile, TiledMapTileSet tileset,
XmlReader.Element element, Array<XmlReader.Element> tileElements, String name, int firstgid, int tilewidth, int tileheight, int spacing,
int margin, String source, int offsetX, int offsetY, String imageSource, int imageWidth, int imageHeight, FileHandle image);
protected void addTileProperties (TiledMapTile tile, XmlReader.Element tileElement) {
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);
}
XmlReader.Element properties = tileElement.getChildByName("properties");
if (properties != null) {
loadProperties(tile.getProperties(), properties);
}
}
protected void addTileObjectGroup (TiledMapTile tile, XmlReader.Element tileElement) {
XmlReader.Element objectgroupElement = tileElement.getChildByName("objectgroup");
if (objectgroupElement != null) {
for (XmlReader.Element objectElement : objectgroupElement.getChildrenByName("object")) {
loadObject(map, tile, objectElement);
}
}
}
protected AnimatedTiledMapTile createAnimatedTile (TiledMapTileSet tileSet, TiledMapTile tile, XmlReader.Element tileElement,
int firstgid) {
XmlReader.Element animationElement = tileElement.getChildByName("animation");
if (animationElement != null) {
Array<StaticTiledMapTile> staticTiles = new Array<StaticTiledMapTile>();
IntArray intervals = new IntArray();
for (XmlReader.Element frameElement : animationElement.getChildrenByName("frame")) {
staticTiles.add((StaticTiledMapTile)tileSet.getTile(firstgid + frameElement.getIntAttribute("tileid")));
intervals.add(frameElement.getIntAttribute("duration"));
}
AnimatedTiledMapTile animatedTile = new AnimatedTiledMapTile(intervals, staticTiles);
animatedTile.setId(tile.getId());
return animatedTile;
}
return null;
}
protected void addStaticTiledMapTile (TiledMapTileSet tileSet, int tileId, float offsetX,
float offsetY) {
TiledMapTile tile = new HijackedStaticTiledMap();
tile.setId(tileId);
tile.setOffsetX(offsetX);
tile.setOffsetY(flipY ? -offsetY : offsetY);
tileSet.putTile(tileId, tile);
}
}
Raw
HijackedMapImageLayer.java
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.maps.MapLayer;
public class HijackedMapImageLayer extends MapLayer {
private float x;
private float y;
public HijackedMapImageLayer (float x, float y) {
this.x = x;
this.y = y;
}
public TextureRegion getTextureRegion () {
return null;
}
public void setTextureRegion (TextureRegion region) {
}
public float getX () {
return x;
}
public void setX (float x) {
this.x = x;
}
public float getY () {
return y;
}
public void setY (float y) {
this.y = y;
}
}
Raw
HijackedStaticTiledMap.java
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.maps.MapObjects;
import com.badlogic.gdx.maps.MapProperties;
import com.badlogic.gdx.maps.tiled.TiledMapTile;
/** @brief Represents a non changing {@link TiledMapTile} (can be cached) */
public class HijackedStaticTiledMap implements TiledMapTile {
private int id;
private TiledMapTile.BlendMode blendMode = BlendMode.ALPHA;
private MapProperties properties;
private MapObjects objects;
private float offsetX;
private float offsetY;
@Override
public int getId () {
return id;
}
@Override
public void setId (int id) {
this.id = id;
}
@Override
public BlendMode getBlendMode () {
return blendMode;
}
@Override
public void setBlendMode (BlendMode blendMode) {
this.blendMode = blendMode;
}
@Override
public MapProperties getProperties () {
if (properties == null) {
properties = new MapProperties();
}
return properties;
}
@Override
public MapObjects getObjects() {
if (objects == null) {
objects = new MapObjects();
}
return objects;
}
@Override
public TextureRegion getTextureRegion () {
return null;
}
@Override
public void setTextureRegion(TextureRegion textureRegion) {
}
@Override
public float getOffsetX () {
return offsetX;
}
@Override
public void setOffsetX (float offsetX) {
this.offsetX = offsetX;
}
@Override
public float getOffsetY () {
return offsetY;
}
@Override
public void setOffsetY (float offsetY) {
this.offsetY = offsetY;
}
/** Creates a static tile with the given region
*/
public HijackedStaticTiledMap () {
}
/** Copy constructor
*
* @param copy the StaticTiledMapTile to copy. */
public HijackedStaticTiledMap (HijackedStaticTiledMap copy) {
if (copy.properties != null) {
getProperties().putAll(copy.properties);
}
this.objects = copy.objects;
this.id = copy.id;
}
}
Raw
HijackedTmxLoader.java
import com.badlogic.gdx.assets.AssetDescriptor;
import com.badlogic.gdx.assets.AssetManager;
import com.badlogic.gdx.assets.loaders.FileHandleResolver;
import com.badlogic.gdx.assets.loaders.TextureLoader;
import com.badlogic.gdx.assets.loaders.resolvers.InternalFileHandleResolver;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.maps.ImageResolver;
import com.badlogic.gdx.maps.ImageResolver.AssetManagerImageResolver;
import com.badlogic.gdx.maps.ImageResolver.DirectImageResolver;
import com.badlogic.gdx.maps.MapProperties;
import com.badlogic.gdx.maps.tiled.BaseTmxMapLoader;
import com.badlogic.gdx.maps.tiled.TiledMap;
import com.badlogic.gdx.maps.tiled.TiledMapTileSet;
import com.badlogic.gdx.utils.Array;
import com.badlogic.gdx.utils.ObjectMap;
import com.badlogic.gdx.utils.XmlReader.Element;
/** @brief synchronous loader for TMX maps created with the Tiled tool */
public class HijackedTmxLoader extends HijackedBaseTmxMapLoader<HijackedTmxLoader.Parameters> {
public static class Parameters extends BaseTmxMapLoader.Parameters {
}
public HijackedTmxLoader () {
super(new InternalFileHandleResolver());
}
/** Creates loader
*
* @param resolver */
public HijackedTmxLoader (FileHandleResolver resolver) {
super(resolver);
}
/** Loads the {@link TiledMap} from the given file. The file is resolved via the {@link FileHandleResolver} set in the
* constructor of this class. By default it will resolve to an internal file. The map will be loaded for a y-up coordinate
* system.
* @param fileName the filename
* @return the TiledMap */
public TiledMap load (String fileName) {
return load(fileName, new HijackedTmxLoader.Parameters());
}
/** Loads the {@link TiledMap} from the given file. The file is resolved via the {@link FileHandleResolver} set in the
* constructor of this class. By default it will resolve to an internal file.
* @param fileName the filename
* @param parameter specifies whether to use y-up, generate mip maps etc.
* @return the TiledMap */
public TiledMap load (String fileName, HijackedTmxLoader.Parameters parameter) {
FileHandle tmxFile = resolve(fileName);
this.root = xml.parse(tmxFile);
TiledMap map = loadTiledMap(tmxFile, parameter);
return map;
}
@Override
public void loadAsync (AssetManager manager, String fileName, FileHandle tmxFile, Parameters parameter) {
this.map = loadTiledMap(tmxFile, parameter);
}
@Override
public TiledMap loadSync (AssetManager manager, String fileName, FileHandle file, Parameters parameter) {
return map;
}
@Override
protected Array<AssetDescriptor> getDependencyAssetDescriptors (FileHandle tmxFile, TextureLoader.TextureParameter textureParameter) {
Array<AssetDescriptor> descriptors = new Array<AssetDescriptor>();
final Array<FileHandle> fileHandles = getDependencyFileHandles(tmxFile);
for (FileHandle handle : fileHandles) {
descriptors.add(new AssetDescriptor(handle, null, textureParameter));
}
return descriptors;
}
private Array<FileHandle> getDependencyFileHandles (FileHandle tmxFile) {
Array<FileHandle> fileHandles = new Array<FileHandle>();
// TileSet descriptors
for (Element tileset : root.getChildrenByName("tileset")) {
String source = tileset.getAttribute("source", null);
if (source != null) {
FileHandle tsxFile = getRelativeFileHandle(tmxFile, source);
tileset = xml.parse(tsxFile);
Element imageElement = tileset.getChildByName("image");
if (imageElement != null) {
String imageSource = tileset.getChildByName("image").getAttribute("source");
FileHandle image = getRelativeFileHandle(tsxFile, imageSource);
fileHandles.add(image);
} else {
for (Element tile : tileset.getChildrenByName("tile")) {
String imageSource = tile.getChildByName("image").getAttribute("source");
FileHandle image = getRelativeFileHandle(tsxFile, imageSource);
fileHandles.add(image);
}
}
} else {
Element imageElement = tileset.getChildByName("image");
if (imageElement != null) {
String imageSource = tileset.getChildByName("image").getAttribute("source");
FileHandle image = getRelativeFileHandle(tmxFile, imageSource);
fileHandles.add(image);
} else {
for (Element tile : tileset.getChildrenByName("tile")) {
String imageSource = tile.getChildByName("image").getAttribute("source");
FileHandle image = getRelativeFileHandle(tmxFile, imageSource);
fileHandles.add(image);
}
}
}
}
// ImageLayer descriptors
for (Element imageLayer : root.getChildrenByName("imagelayer")) {
Element image = imageLayer.getChildByName("image");
String source = image.getAttribute("source", null);
if (source != null) {
FileHandle handle = getRelativeFileHandle(tmxFile, source);
fileHandles.add(handle);
}
}
return fileHandles;
}
@Override
protected void addStaticTiles (FileHandle tmxFile, TiledMapTileSet tileSet, Element element,
Array<Element> tileElements, String name, int firstgid, int tilewidth, int tileheight, int spacing, int margin,
String source, int offsetX, int offsetY, String imageSource, int imageWidth, int imageHeight, FileHandle image) {
MapProperties props = tileSet.getProperties();
if (image != null) {
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);
int id = firstgid;
} else {
// Every tile has its own image source
for (Element tileElement : tileElements) {
Element imageElement = tileElement.getChildByName("image");
if (imageElement != null) {
imageSource = imageElement.getAttribute("source");
if (source != null) {
image = getRelativeFileHandle(getRelativeFileHandle(tmxFile, source), imageSource);
} else {
image = getRelativeFileHandle(tmxFile, imageSource);
}
}
int tileId = firstgid + tileElement.getIntAttribute("id");
addStaticTiledMapTile(tileSet, tileId, offsetX, offsetY);
}
}
}
}
Raw
MyServer.java
import com.badlogic.gdx.assets.loaders.FileHandleResolver;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.maps.tiled.TiledMap;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
public class MyServer {
private TiledMap getMap(){
return new HijackedTmxLoader(new MyFileHandleResolver())
.load("path_to_my_map");
}
public class MyFileHandleResolver implements FileHandleResolver{
@Override
public FileHandle resolve(String fileName) {
return new FileHandle(new File(fileName));
}
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment