mirror of
https://github.com/plexusorg/Plex-FAWE.git
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150 lines
4.6 KiB
Java
150 lines
4.6 KiB
Java
/*
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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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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.sk89q.worldedit.extent;
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import com.sk89q.worldedit.WorldEditException;
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import com.sk89q.worldedit.entity.BaseEntity;
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import com.sk89q.worldedit.entity.Entity;
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import com.sk89q.worldedit.history.change.BiomeChange3D;
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import com.sk89q.worldedit.history.change.BlockChange;
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import com.sk89q.worldedit.history.change.EntityCreate;
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import com.sk89q.worldedit.history.change.EntityRemove;
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import com.sk89q.worldedit.history.changeset.ChangeSet;
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import com.sk89q.worldedit.math.BlockVector3;
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import com.sk89q.worldedit.regions.Region;
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import com.sk89q.worldedit.util.Location;
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import com.sk89q.worldedit.world.biome.BiomeType;
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import com.sk89q.worldedit.world.block.BaseBlock;
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import com.sk89q.worldedit.world.block.BlockStateHolder;
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import java.util.ArrayList;
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import java.util.List;
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import javax.annotation.Nullable;
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import static com.google.common.base.Preconditions.checkNotNull;
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/**
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* Stores changes to a {@link ChangeSet}.
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*/
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public class ChangeSetExtent extends AbstractDelegateExtent {
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private final ChangeSet changeSet;
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/**
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* Create a new instance.
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*
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* @param extent the extent
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* @param changeSet the change set
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*/
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public ChangeSetExtent(Extent extent, ChangeSet changeSet) {
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super(extent);
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checkNotNull(changeSet);
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this.changeSet = changeSet;
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}
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@Override
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public <B extends BlockStateHolder<B>> boolean setBlock(BlockVector3 location, B block) throws WorldEditException {
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BaseBlock previous = getFullBlock(location);
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changeSet.add(new BlockChange(location, previous, block));
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return super.setBlock(location, block);
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}
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@Override
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public boolean setBiome(BlockVector3 position, BiomeType biome) {
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BiomeType previous = getBiome(position);
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changeSet.add(new BiomeChange3D(position, previous, biome));
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return super.setBiome(position, biome);
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}
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@Nullable
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@Override
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public Entity createEntity(Location location, BaseEntity state) {
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Entity entity = super.createEntity(location, state);
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if (entity != null) {
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changeSet.add(new EntityCreate(location, state, entity));
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}
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return entity;
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}
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@Override
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public List<? extends Entity> getEntities() {
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return wrapEntities(super.getEntities());
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}
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@Override
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public List<? extends Entity> getEntities(Region region) {
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return wrapEntities(super.getEntities(region));
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}
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private List<? extends Entity> wrapEntities(List<? extends Entity> entities) {
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List<Entity> newList = new ArrayList<>(entities.size());
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for (Entity entity : entities) {
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newList.add(new TrackedEntity(entity));
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}
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return newList;
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}
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private class TrackedEntity implements Entity {
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private final Entity entity;
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private TrackedEntity(Entity entity) {
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this.entity = entity;
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}
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@Override
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public BaseEntity getState() {
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return entity.getState();
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}
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@Override
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public Location getLocation() {
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return entity.getLocation();
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}
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@Override
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public boolean setLocation(Location location) {
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// TODO Add a changeset for this.
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return entity.setLocation(location);
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}
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@Override
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public Extent getExtent() {
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return entity.getExtent();
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}
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@Override
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public boolean remove() {
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Location location = entity.getLocation();
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BaseEntity state = entity.getState();
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boolean success = entity.remove();
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if (state != null && success) {
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changeSet.add(new EntityRemove(location, state));
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}
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return success;
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}
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@Nullable
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@Override
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public <T> T getFacet(Class<? extends T> cls) {
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return entity.getFacet(cls);
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}
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}
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}
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