2014-04-04 00:52:53 +00:00
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/*
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* WorldEdit, a Minecraft world manipulation toolkit
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* Copyright (C) sk89q <http://www.sk89q.com>
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* Copyright (C) WorldEdit team and contributors
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*
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2014-04-04 22:03:18 +00:00
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or
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2014-04-04 00:52:53 +00:00
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* (at your option) any later version.
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*
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2014-04-04 22:03:18 +00:00
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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2014-04-04 00:52:53 +00:00
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*
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2014-04-04 22:03:18 +00:00
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* You should have received a copy of the GNU Lesser General Public License
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2014-04-04 00:52:53 +00:00
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.sk89q.worldedit.regions;
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import com.sk89q.worldedit.*;
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import com.sk89q.worldedit.Vector;
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2014-04-05 09:59:38 +00:00
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import com.sk89q.worldedit.world.World;
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2014-04-04 00:52:53 +00:00
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import java.util.*;
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/**
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* A region that contains no points.
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*/
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public class NullRegion implements Region {
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2014-04-05 09:59:38 +00:00
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private World world;
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2014-04-04 00:52:53 +00:00
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@Override
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public Vector getMinimumPoint() {
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return new Vector(0, 0, 0);
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}
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@Override
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public Vector getMaximumPoint() {
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return new Vector(0, 0, 0);
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}
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@Override
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public Vector getCenter() {
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return new Vector(0, 0, 0);
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}
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@Override
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public int getArea() {
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return 0;
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}
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@Override
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public int getWidth() {
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return 0;
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}
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@Override
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public int getHeight() {
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return 0;
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}
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@Override
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public int getLength() {
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return 0;
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}
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@Override
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public void expand(Vector... changes) throws RegionOperationException {
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throw new RegionOperationException("Cannot change NullRegion");
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}
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@Override
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public void contract(Vector... changes) throws RegionOperationException {
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throw new RegionOperationException("Cannot change NullRegion");
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}
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@Override
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public void shift(Vector change) throws RegionOperationException {
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throw new RegionOperationException("Cannot change NullRegion");
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}
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@Override
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public boolean contains(Vector pt) {
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return false;
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}
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@Override
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public Set<Vector2D> getChunks() {
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return Collections.emptySet();
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}
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@Override
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public Set<Vector> getChunkCubes() {
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return Collections.emptySet();
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}
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@Override
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2014-04-05 09:59:38 +00:00
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public World getWorld() {
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2014-04-04 00:52:53 +00:00
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return world;
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}
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@Override
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public void setWorld(World world) {
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this.world = world;
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}
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2014-04-05 09:59:38 +00:00
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@Override
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public void setWorld(LocalWorld world) {
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setWorld((World) world);
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}
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2014-04-04 00:52:53 +00:00
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@Override
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public NullRegion clone() {
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return new NullRegion();
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}
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@Override
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public List<BlockVector2D> polygonize(int maxPoints) {
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return Collections.emptyList();
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}
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@Override
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public Iterator<BlockVector> iterator() {
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return new Iterator<BlockVector>() {
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@Override
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public boolean hasNext() {
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return false;
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}
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@Override
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public BlockVector next() {
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throw new NoSuchElementException();
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}
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@Override
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public void remove() {
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throw new UnsupportedOperationException("Cannot remove");
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}
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};
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}
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}
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