/**
* Get the tile set that matches the given global tile id, only to be used when loading a map.
*
* @param gid a global tile id
* @return the tileset containing the tile with the given global tile id, or <code>null</code>
* when no such tileset exists
*/
public TileSet findTileSetForTileGID(int gid) {
TileSet has = null;
for (TileSet tileset : tilesets) {
if (tileset.getFirstGid() <= gid) {
has = tileset;
}
}
return has;
}
/**
* Returns the maximum tile height. This is the height of the highest tile in all tilesets or the
* tile height used by this map if it's smaller.
*
* @return int The maximum tile height
*/
public int getTileHeightMax() {
int maxHeight = tileHeight;
for (TileSet tileset : tilesets) {
int height = tileset.getTileHeight();
if (height > maxHeight) {
maxHeight = height;
}
}
return maxHeight;
}
/**
* Removes a {@link TileSet} from the map, and removes any tiles in the set from the map layers. A
* {@link MapChangedEvent} is fired when all processing is complete.
*
* @param tileset TileSet to remove
* @throws LayerLockedException when the tileset is in use on a locked layer
*/
public void removeTileset(TileSet tileset) throws LayerLockedException {
// Sanity check
final int tilesetIndex = tilesets.indexOf(tileset);
if (tilesetIndex == -1) return;
// Go through the map and remove any instances of the tiles in the set
Iterator<Object> tileIterator = tileset.iterator();
while (tileIterator.hasNext()) {
Tile tile = (Tile) tileIterator.next();
Iterator<MapLayer> layerIterator = getLayers();
while (layerIterator.hasNext()) {
MapLayer ml = (MapLayer) layerIterator.next();
if (ml instanceof TileLayer) {
((TileLayer) ml).removeTile(tile);
}
}
}
tilesets.remove(tileset);
fireTilesetRemoved(tilesetIndex);
}
/**
* Adds a Tileset to this Map. If the set is already attached to this map, <code>addTileset</code>
* simply returns.
*
* @param tileset a tileset to add
*/
public void addTileset(TileSet tileset) {
if (tileset == null || tilesets.indexOf(tileset) > -1) {
return;
}
Tile t = tileset.getTile(0);
if (t != null) {
int tw = t.getWidth();
int th = t.getHeight();
if (tw != tileWidth) {
if (tileWidth == 0) {
tileWidth = tw;
tileHeight = th;
}
}
}
tilesets.add(tileset);
fireTilesetAdded(tileset);
}
