public Polygonal2DRegionSelector(RegionSelector oldSelector, int maxPoints) {
this(oldSelector.getIncompleteRegion().getWorld(), maxPoints);
if (oldSelector instanceof Polygonal2DRegionSelector) {
final Polygonal2DRegionSelector polygonal2DRegionSelector =
(Polygonal2DRegionSelector) oldSelector;
pos1 = polygonal2DRegionSelector.pos1;
region = new Polygonal2DRegion(polygonal2DRegionSelector.region);
} else {
final Region oldRegion;
try {
oldRegion = oldSelector.getRegion();
} catch (IncompleteRegionException e) {
return;
}
final int minY = oldRegion.getMinimumPoint().getBlockY();
final int maxY = oldRegion.getMaximumPoint().getBlockY();
List<BlockVector2D> points = oldRegion.polygonize(maxPoints);
pos1 = points.get(0).toVector(minY).toBlockVector();
region = new Polygonal2DRegion(oldRegion.getWorld(), points, minY, maxY);
}
}
public CuboidRegionSelector(RegionSelector oldSelector) {
this(oldSelector.getIncompleteRegion().getWorld());
if (oldSelector instanceof CuboidRegionSelector) {
final CuboidRegionSelector cuboidRegionSelector = (CuboidRegionSelector) oldSelector;
pos1 = cuboidRegionSelector.pos1;
pos2 = cuboidRegionSelector.pos2;
} else {
final Region oldRegion;
try {
oldRegion = oldSelector.getRegion();
} catch (IncompleteRegionException e) {
return;
}
pos1 = oldRegion.getMinimumPoint().toBlockVector();
pos2 = oldRegion.getMaximumPoint().toBlockVector();
}
region.setPos1(pos1);
region.setPos2(pos2);
}
