/**
* Adds the tile to the set, setting the id of the tile only if the current value of id is -1.
*
* @param t the tile to add
* @return int The <b>local</b> id of the tile
*/
public int addTile(Tile t) {
if (t.getId() < 0) t.setId(tiles.size());
if (tileDimensions.width < t.getWidth()) tileDimensions.width = t.getWidth();
if (tileDimensions.height < t.getHeight()) tileDimensions.height = t.getHeight();
tiles.add(t);
t.setTileSet(this);
return t.getId();
}
/**
* This method takes a new Tile object as argument, and in addition to the functionality of <code>
* addTile()</code>, sets the id of the tile to -1.
*
* @see TileSet#addTile(Tile)
* @param t the new tile to add.
*/
public void addNewTile(Tile t) {
t.setId(-1);
addTile(t);
}