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Blazingly fast Minecraft world manipulation for artists, builders and everyone else.
/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q
* 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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package com.sk89q.worldedit.extent.world;
import com.sk89q.worldedit.WorldEditException;
import com.sk89q.worldedit.extent.AbstractDelegateExtent;
import com.sk89q.worldedit.function.operation.Operation;
import com.sk89q.worldedit.function.operation.RunContext;
import com.sk89q.worldedit.math.BlockVector2;
import com.sk89q.worldedit.math.BlockVector3;
import com.sk89q.worldedit.util.SideEffect;
import com.sk89q.worldedit.util.SideEffectSet;
import com.sk89q.worldedit.util.collection.BlockMap;
import com.sk89q.worldedit.world.World;
import com.sk89q.worldedit.world.block.BlockState;
import com.sk89q.worldedit.world.block.BlockStateHolder;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.function.Function;
import java.util.stream.Collectors;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* An extent that sets blocks in the world, with a {@link SideEffectSet}.
*/
public class SideEffectExtent extends AbstractDelegateExtent {
private final World world;
private final Map positions = BlockMap.create();
private final Set dirtyChunks = new HashSet<>();
private SideEffectSet sideEffectSet = SideEffectSet.defaults();
private boolean postEditSimulation;
private static final SideEffectSet INTERNAL_NONE = new SideEffectSet(
Arrays.stream(SideEffect.values())
.collect(Collectors.toMap(Function.identity(), state -> SideEffect.State.OFF))
);
/**
* Create a new instance.
*
* @param world the world
*/
public SideEffectExtent(World world) {
super(world);
checkNotNull(world);
this.world = world;
}
public boolean isPostEditSimulationEnabled() {
return postEditSimulation;
}
public void setPostEditSimulationEnabled(boolean enabled) {
this.postEditSimulation = enabled;
}
public SideEffectSet getSideEffectSet() {
return this.sideEffectSet;
}
public void setSideEffectSet(SideEffectSet sideEffectSet) {
this.sideEffectSet = sideEffectSet;
}
@Override
public > boolean setBlock(BlockVector3 location, B block) throws WorldEditException {
if (sideEffectSet.getState(SideEffect.LIGHTING) == SideEffect.State.DELAYED) {
dirtyChunks.add(BlockVector2.at(location.getBlockX() >> 4, location.getBlockZ() >> 4));
}
if (postEditSimulation) {
positions.put(location, world.getBlock(location));
}
return world.setBlock(location, block, postEditSimulation ? INTERNAL_NONE : sideEffectSet);
}
public boolean commitRequired() {
return postEditSimulation || !dirtyChunks.isEmpty();
}
@Override
protected Operation commitBefore() {
if (!commitRequired()) {
return null;
}
return new Operation() {
@Override
public Operation resume(RunContext run) throws WorldEditException {
if (!dirtyChunks.isEmpty()) {
world.fixAfterFastMode(dirtyChunks);
}
if (postEditSimulation) {
Iterator> positionIterator = positions.entrySet().iterator();
while (run.shouldContinue() && positionIterator.hasNext()) {
Map.Entry position = positionIterator.next();
world.applySideEffects(position.getKey(), position.getValue(), sideEffectSet);
positionIterator.remove();
}
return !positions.isEmpty() ? this : null;
}
return null;
}
@Override
public void cancel() {
}
};
}
}