/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.regions;
import com.sk89q.worldedit.*;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.world.World;
import java.util.*;
/**
* A region that contains no points.
*/
public class NullRegion implements Region {
private World world;
@Override
public Vector getMinimumPoint() {
return new Vector(0, 0, 0);
}
@Override
public Vector getMaximumPoint() {
return new Vector(0, 0, 0);
}
@Override
public Vector getCenter() {
return new Vector(0, 0, 0);
}
@Override
public int getArea() {
return 0;
}
@Override
public int getWidth() {
return 0;
}
@Override
public int getHeight() {
return 0;
}
@Override
public int getLength() {
return 0;
}
@Override
public void expand(Vector... changes) throws RegionOperationException {
throw new RegionOperationException("Cannot change NullRegion");
}
@Override
public void contract(Vector... changes) throws RegionOperationException {
throw new RegionOperationException("Cannot change NullRegion");
}
@Override
public void shift(Vector change) throws RegionOperationException {
throw new RegionOperationException("Cannot change NullRegion");
}
@Override
public boolean contains(Vector position) {
return false;
}
@Override
public Set<Vector2D> getChunks() {
return Collections.emptySet();
}
@Override
public Set<Vector> getChunkCubes() {
return Collections.emptySet();
}
@Override
public World getWorld() {
return world;
}
@Override
public void setWorld(World world) {
this.world = world;
}
@Override
public void setWorld(LocalWorld world) {
setWorld((World) world);
}
@Override
public NullRegion clone() {
return new NullRegion();
}
@Override
public List<BlockVector2D> polygonize(int maxPoints) {
return Collections.emptyList();
}
@Override
public Iterator<BlockVector> iterator() {
return new Iterator<BlockVector>() {
@Override
public boolean hasNext() {
return false;
}
@Override
public BlockVector next() {
throw new NoSuchElementException();
}
@Override
public void remove() {
throw new UnsupportedOperationException("Cannot remove");
}
};
}
}