/**
* Adds the specified tile to the list of tiles in this layer. This method enforces that no
* duplicate tiles are added
*
* @param tile the tile to add
* @param x the x grid coordinate
* @param y the y grid coordinate
* @return the tile that was passed in, or the duplicate existing tile if no tile was created
*/
protected Tile addTile(Tile tile, int x, int y) {
for (Tile existingTile : tiles[x][y]) {
if (existingTile.getTileID().equals(tile.getTileID())) return existingTile;
}
tiles[x][y].add(tile);
return tile;
}
/**
* saves this grid to JSON format for creating area files
*
* @return this grid JSON data
*/
public JSONOrderedObject writeToJSON() {
JSONOrderedObject data = new JSONOrderedObject();
Map<String, List<int[]>> out = new LinkedHashMap<String, List<int[]>>();
for (int x = 0; x < tiles.length; x++) {
for (int y = 0; y < tiles[x].length; y++) {
// important to create the array here each time so it isn't overwritten later
int[] coords = new int[2];
coords[0] = x;
coords[1] = y;
TileList list = tiles[x][y];
for (Tile tile : list) {
String id = tile.getTileID();
if (!out.containsKey(id)) {
out.put(id, new ArrayList<int[]>());
}
out.get(id).add(coords);
}
}
}
for (String tileID : out.keySet()) {
data.put(tileID, out.get(tileID).toArray());
}
return data;
}