/
NullWorld.java
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/
NullWorld.java
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/*
* 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.world;
import com.sk89q.worldedit.EditSession;
import com.sk89q.worldedit.MaxChangedBlocksException;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.Vector2D;
import com.sk89q.worldedit.WorldEditException;
import com.sk89q.worldedit.blocks.BaseBlock;
import com.sk89q.worldedit.blocks.BaseItemStack;
import com.sk89q.worldedit.blocks.type.BlockTypes;
import com.sk89q.worldedit.entity.BaseEntity;
import com.sk89q.worldedit.entity.Entity;
import com.sk89q.worldedit.regions.Region;
import com.sk89q.worldedit.util.Location;
import com.sk89q.worldedit.util.TreeGenerator.TreeType;
import com.sk89q.worldedit.world.biome.BaseBiome;
import com.sk89q.worldedit.world.registry.BundledWorldData;
import com.sk89q.worldedit.world.registry.WorldData;
import javax.annotation.Nullable;
import java.util.Collections;
import java.util.List;
/**
* A null implementation of {@link World} that drops all changes and
* returns dummy data.
*/
public class NullWorld extends AbstractWorld {
private static final NullWorld INSTANCE = new NullWorld();
protected NullWorld() {
}
@Override
public String getName() {
return "null";
}
@Override
public boolean setBlock(Vector position, BaseBlock block, boolean notifyAndLight) throws WorldEditException {
return false;
}
@Override
public int getBlockLightLevel(Vector position) {
return 0;
}
@Override
public boolean clearContainerBlockContents(Vector position) {
return false;
}
@Override
public BaseBiome getBiome(Vector2D position) {
return null;
}
@Override
public boolean setBiome(Vector2D position, BaseBiome biome) {
return false;
}
@Override
public void dropItem(Vector position, BaseItemStack item) {
}
@Override
public boolean regenerate(Region region, EditSession editSession) {
return false;
}
@Override
public boolean generateTree(TreeType type, EditSession editSession, Vector position) throws MaxChangedBlocksException {
return false;
}
@Override
public WorldData getWorldData() {
return BundledWorldData.getInstance();
}
@Override
public BaseBlock getBlock(Vector position) {
return new BaseBlock(BlockTypes.AIR);
}
@Override
public BaseBlock getLazyBlock(Vector position) {
return new BaseBlock(BlockTypes.AIR);
}
@Override
public List<Entity> getEntities(Region region) {
return Collections.emptyList();
}
@Override
public List<Entity> getEntities() {
return Collections.emptyList();
}
@Nullable
@Override
public Entity createEntity(Location location, BaseEntity entity) {
return null;
}
/**
* Return an instance of this null world.
*
* @return a null world
*/
public static NullWorld getInstance() {
return INSTANCE;
}
}