protected void loadTileLayer(TiledMap map, Element element) {
if (element.getName().equals("layer")) {
String name = element.getAttribute("name", null);
int width = element.getIntAttribute("width", 0);
int height = element.getIntAttribute("height", 0);
int tileWidth = element.getParent().getIntAttribute("tilewidth", 0);
int tileHeight = element.getParent().getIntAttribute("tileheight", 0);
boolean visible = element.getIntAttribute("visible", 1) == 1;
float opacity = element.getFloatAttribute("opacity", 1.0f);
TiledMapTileLayer layer = new TiledMapTileLayer(width, height, tileWidth, tileHeight);
layer.setVisible(visible);
layer.setOpacity(opacity);
layer.setName(name);
TiledMapTileSets tilesets = map.getTileSets();
Element data = element.getChildByName("data");
String encoding = data.getAttribute("encoding", null);
String compression = data.getAttribute("compression", null);
if (encoding == null) { // no 'encoding' attribute means that the encoding is XML
throw new GdxRuntimeException("Unsupported encoding (XML) for TMX Layer Data");
}
if (encoding.equals("csv")) {
String[] array = data.getText().split(",");
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
int id = (int) Long.parseLong(array[y * width + x].trim());
final boolean flipHorizontally = ((id & FLAG_FLIP_HORIZONTALLY) != 0);
final boolean flipVertically = ((id & FLAG_FLIP_VERTICALLY) != 0);
final boolean flipDiagonally = ((id & FLAG_FLIP_DIAGONALLY) != 0);
id = id & ~MASK_CLEAR;
tilesets.getTile(id);
TiledMapTile tile = tilesets.getTile(id);
if (tile != null) {
Cell cell = createTileLayerCell(flipHorizontally, flipVertically, flipDiagonally);
cell.setTile(tile);
layer.setCell(x, yUp ? height - 1 - y : y, cell);
}
}
}
} else {
if (encoding.equals("base64")) {
byte[] bytes = Base64Coder.decode(data.getText());
if (compression == null) {
int read = 0;
for (int y = 0; y < height; y++) {
for (int x = 0; x < width; x++) {
int id =
unsignedByteToInt(bytes[read++])
| unsignedByteToInt(bytes[read++]) << 8
| unsignedByteToInt(bytes[read++]) << 16
| unsignedByteToInt(bytes[read++]) << 24;
final boolean flipHorizontally = ((id & FLAG_FLIP_HORIZONTALLY) != 0);
final boolean flipVertically = ((id & FLAG_FLIP_VERTICALLY) != 0);
final boolean flipDiagonally = ((id & FLAG_FLIP_DIAGONALLY) != 0);
id = id & ~MASK_CLEAR;
tilesets.getTile(id);
TiledMapTile tile = tilesets.getTile(id);
if (tile != null) {
Cell cell = createTileLayerCell(flipHorizontally, flipVertically, flipDiagonally);
cell.setTile(tile);
layer.setCell(x, yUp ? height - 1 - y : y, cell);
}
}
}
} else if (compression.equals("gzip")) {
throw new GdxRuntimeException("GZIP compression not supported in GWT backend");
} else if (compression.equals("zlib")) {
throw new GdxRuntimeException("ZLIB compression not supported in GWT backend");
}
} 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");
}
}
Element properties = element.getChildByName("properties");
if (properties != null) {
loadProperties(layer.getProperties(), properties);
}
map.getLayers().add(layer);
}
}
