/**
* Writes a reference to an external tileset into a XML document. In the case where the tileset is
* not stored in an external file, writes the contents of the tileset instead.
*
* @param set the tileset to write a reference to
* @param w the XML writer to write to
* @param wp the working directory of the map
* @throws java.io.IOException
*/
private void writeTilesetReference(TileSet set, XMLWriter w, String wp) throws IOException {
String source = set.getSource();
if (source == null) {
writeTileset(set, w, wp);
} else {
w.startElement("tileset");
w.writeAttribute("firstgid", getFirstGidForTileset(set));
w.writeAttribute("source", getRelativePath(wp, source));
if (set.getBaseDir() != null) {
w.writeAttribute("basedir", set.getBaseDir());
}
w.endElement();
}
}
