public MinimapTile get(final Coord c, final MCache.Grid grid, final int seq) {
Coord key = new Coord(c);
MinimapTile tile = tiles.get(key);
if ((tile == null || tile.seq != seq) && (grid != null)) {
Defer.Future<BufferedImage> f = rendering.get(key);
if (f == null) {
f =
Defer.later(
new Defer.Callable<BufferedImage>() {
@Override
public BufferedImage call() {
BufferedImage img = renderer.draw(grid.ul, MCache.cmaps);
if (Config.minimapEnableSave.get()) store(img, grid.gc);
return img;
}
});
rendering.put(key, f);
}
if (f.done()) {
BufferedImage img = f.get();
if (tile == null) {
tile = createTile(key, seq, img);
tiles.put(key, tile);
} else {
tile.img.update(img);
}
rendering.remove(key);
}
}
return tile;
}