761 lines
26 KiB
Java
761 lines
26 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 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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* (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, 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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*
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* You should have received a copy of the GNU Lesser General Public License
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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;
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import static com.sk89q.worldedit.event.platform.Interaction.HIT;
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import static com.sk89q.worldedit.event.platform.Interaction.OPEN;
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import com.google.common.collect.ImmutableList;
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import com.google.common.collect.Lists;
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import com.google.common.util.concurrent.ListeningExecutorService;
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import com.google.common.util.concurrent.MoreExecutors;
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import com.sk89q.worldedit.blocks.BaseItem;
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import com.sk89q.worldedit.entity.Player;
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import com.sk89q.worldedit.event.platform.BlockInteractEvent;
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import com.sk89q.worldedit.event.platform.InputType;
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import com.sk89q.worldedit.event.platform.PlayerInputEvent;
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import com.sk89q.worldedit.extension.factory.BlockFactory;
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import com.sk89q.worldedit.extension.factory.ItemFactory;
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import com.sk89q.worldedit.extension.factory.MaskFactory;
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import com.sk89q.worldedit.extension.factory.PatternFactory;
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import com.sk89q.worldedit.extension.platform.Actor;
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import com.sk89q.worldedit.extension.platform.Capability;
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import com.sk89q.worldedit.extension.platform.Platform;
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import com.sk89q.worldedit.extension.platform.PlatformManager;
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import com.sk89q.worldedit.extent.inventory.BlockBag;
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import com.sk89q.worldedit.function.mask.Mask;
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import com.sk89q.worldedit.function.pattern.Pattern;
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import com.sk89q.worldedit.internal.expression.Expression;
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import com.sk89q.worldedit.internal.expression.runtime.Constant;
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import com.sk89q.worldedit.internal.expression.runtime.RValue;
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import com.sk89q.worldedit.math.BlockVector3;
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import com.sk89q.worldedit.scripting.CraftScriptContext;
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import com.sk89q.worldedit.scripting.CraftScriptEngine;
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import com.sk89q.worldedit.scripting.RhinoCraftScriptEngine;
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import com.sk89q.worldedit.session.SessionManager;
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import com.sk89q.worldedit.util.Direction;
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import com.sk89q.worldedit.util.Location;
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import com.sk89q.worldedit.util.concurrency.EvenMoreExecutors;
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import com.sk89q.worldedit.util.eventbus.EventBus;
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import com.sk89q.worldedit.util.io.file.FileSelectionAbortedException;
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import com.sk89q.worldedit.util.io.file.FilenameException;
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import com.sk89q.worldedit.util.io.file.FilenameResolutionException;
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import com.sk89q.worldedit.util.io.file.InvalidFilenameException;
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import com.sk89q.worldedit.util.task.SimpleSupervisor;
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import com.sk89q.worldedit.util.task.Supervisor;
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import com.sk89q.worldedit.world.block.BlockStateHolder;
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import com.sk89q.worldedit.world.block.BlockType;
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import com.sk89q.worldedit.world.registry.BundledBlockData;
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import com.sk89q.worldedit.world.registry.BundledItemData;
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import com.sk89q.worldedit.world.registry.LegacyMapper;
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import java.io.DataInputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import javax.annotation.Nullable;
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import javax.script.ScriptException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* The entry point and container for a working implementation of WorldEdit.
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*
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* <p>An instance handles event handling; block, mask, pattern, etc. registration;
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* the management of sessions; the creation of {@link EditSession}s; and more.
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* In order to use WorldEdit, at least one {@link Platform} must be registered
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* with WorldEdit using {@link PlatformManager#register(Platform)} on the
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* manager retrieved using {@link WorldEdit#getPlatformManager()}.</p>
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*
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* <p>An instance of WorldEdit can be retrieved using the static
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* method {@link WorldEdit#getInstance()}, which is shared among all
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* platforms within the same classloader hierarchy.</p>
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*/
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public final class WorldEdit {
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public static final Logger logger = LoggerFactory.getLogger(WorldEdit.class);
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private static final WorldEdit instance = new WorldEdit();
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private static String version;
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private final EventBus eventBus = new EventBus();
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private final PlatformManager platformManager = new PlatformManager(this);
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private final EditSessionFactory editSessionFactory = new EditSessionFactory.EditSessionFactoryImpl(eventBus);
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private final SessionManager sessions = new SessionManager(this);
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private final ListeningExecutorService executorService = MoreExecutors.listeningDecorator(
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EvenMoreExecutors.newBoundedCachedThreadPool(0, 1, 20, "WorldEdit Task Executor - %s"));
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private final Supervisor supervisor = new SimpleSupervisor();
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private final BlockFactory blockFactory = new BlockFactory(this);
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private final ItemFactory itemFactory = new ItemFactory(this);
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private final MaskFactory maskFactory = new MaskFactory(this);
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private final PatternFactory patternFactory = new PatternFactory(this);
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static {
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getVersion();
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}
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private WorldEdit() {
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}
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/**
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* Gets the current instance of this class.
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*
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* <p>An instance will always be available, but no platform may yet be
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* registered with WorldEdit, meaning that a number of operations
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* may fail. However, event handlers can be registered.</p>
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*
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* @return an instance of WorldEdit.
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*/
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public static WorldEdit getInstance() {
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return instance;
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}
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/**
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* Get the platform manager, where platforms (that implement WorldEdit)
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* can be registered and information about registered platforms can
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* be queried.
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*
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* @return the platform manager
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*/
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public PlatformManager getPlatformManager() {
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return platformManager;
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}
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/**
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* Get the event bus for WorldEdit.
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*
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* <p>Event handlers can be registered on the event bus.</p>
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*
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* @return the event bus
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*/
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public EventBus getEventBus() {
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return eventBus;
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}
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/**
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* Get the supervisor. Internal, not for API use.
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*
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* @return the supervisor
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*/
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public Supervisor getSupervisor() {
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return supervisor;
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}
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/**
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* Get the executor service. Internal, not for API use.
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*
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* @return the executor service
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*/
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public ListeningExecutorService getExecutorService() {
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return executorService;
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}
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/**
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* Get the block factory from which new {@link BlockStateHolder}s can be
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* constructed.
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*
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* @return the block factory
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*/
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public BlockFactory getBlockFactory() {
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return blockFactory;
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}
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/**
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* Get the item factory from which new {@link BaseItem}s can be
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* constructed.
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*
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* @return the item factory
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*/
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public ItemFactory getItemFactory() {
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return itemFactory;
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}
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/**
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* Get the mask factory from which new {@link Mask}s
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* can be constructed.
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*
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* @return the mask factory
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*/
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public MaskFactory getMaskFactory() {
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return maskFactory;
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}
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/**
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* Get the pattern factory from which new {@link Pattern}s
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* can be constructed.
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*
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* @return the pattern factory
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*/
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public PatternFactory getPatternFactory() {
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return patternFactory;
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}
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/**
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* Return the session manager.
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*
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* @return the session manager
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*/
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public SessionManager getSessionManager() {
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return sessions;
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}
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/**
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* Gets the path to a file. This method will check to see if the filename
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* has valid characters and has an extension. It also prevents directory
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* traversal exploits by checking the root directory and the file directory.
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* On success, a {@code java.io.File} object will be returned.
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*
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* @param actor the actor
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* @param dir sub-directory to look in
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* @param filename filename (user-submitted)
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* @param defaultExt append an extension if missing one, null to not use
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* @param extensions list of extensions, null for any
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* @return a file
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* @throws FilenameException thrown if the filename is invalid
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*/
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public File getSafeSaveFile(Actor actor, File dir, String filename, String defaultExt, String... extensions) throws FilenameException {
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return getSafeFile(actor, dir, filename, defaultExt, extensions, true);
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}
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/**
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* Gets the path to a file. This method will check to see if the filename
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* has valid characters and has an extension. It also prevents directory
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* traversal exploits by checking the root directory and the file directory.
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* On success, a {@code java.io.File} object will be returned.
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*
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* @param actor the actor
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* @param dir sub-directory to look in
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* @param filename filename (user-submitted)
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* @param defaultExt append an extension if missing one, null to not use
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* @param extensions list of extensions, null for any
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* @return a file
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* @throws FilenameException thrown if the filename is invalid
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*/
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public File getSafeOpenFile(Actor actor, File dir, String filename, String defaultExt, String... extensions) throws FilenameException {
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return getSafeFile(actor, dir, filename, defaultExt, extensions, false);
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}
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/**
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* Get a safe path to a file.
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*
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* @param actor the actor
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* @param dir sub-directory to look in
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* @param filename filename (user-submitted)
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* @param defaultExt append an extension if missing one, null to not use
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* @param extensions list of extensions, null for any
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* @param isSave true if the purpose is for saving
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* @return a file
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* @throws FilenameException thrown if the filename is invalid
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*/
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private File getSafeFile(@Nullable Actor actor, File dir, String filename, String defaultExt, String[] extensions, boolean isSave) throws FilenameException {
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if (extensions != null && (extensions.length == 1 && extensions[0] == null)) extensions = null;
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File f;
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if (filename.equals("#") && actor != null) {
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if (isSave) {
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f = actor.openFileSaveDialog(extensions);
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} else {
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f = actor.openFileOpenDialog(extensions);
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}
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if (f == null) {
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throw new FileSelectionAbortedException("No file selected");
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}
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} else {
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List<String> exts = extensions == null ? ImmutableList.of(defaultExt) : Lists.asList(defaultExt, extensions);
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f = getSafeFileWithExtensions(dir, filename, exts, isSave);
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}
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try {
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Path filePath = Paths.get(f.toURI()).normalize();
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Path dirPath = Paths.get(dir.toURI()).normalize();
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boolean inDir = filePath.startsWith(dirPath);
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Path existingParent = filePath;
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do {
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existingParent = existingParent.getParent();
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} while (existingParent != null && !existingParent.toFile().exists());
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boolean isSym = existingParent != null && !existingParent.toRealPath().equals(existingParent);
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if (!inDir || (!getConfiguration().allowSymlinks && isSym)) {
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throw new FilenameResolutionException(filename, "Path is outside allowable root");
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}
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return filePath.toFile();
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} catch (IOException e) {
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throw new FilenameResolutionException(filename, "Failed to resolve path");
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}
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}
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private File getSafeFileWithExtensions(File dir, String filename, List<String> exts, boolean isSave) throws InvalidFilenameException {
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if (isSave) {
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// First is default, only use that.
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if (exts.size() != 1) {
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exts = exts.subList(0, 1);
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}
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} else {
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int dot = filename.lastIndexOf('.');
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if (dot < 0 || dot == filename.length() - 1) {
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String currentExt = filename.substring(dot + 1);
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if (exts.contains(currentExt) && checkFilename(filename)) {
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File f = new File(dir, filename);
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if (f.exists()) {
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return f;
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}
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}
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}
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}
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File result = null;
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for (Iterator<String> iter = exts.iterator(); iter.hasNext() && (result == null || (!isSave && !result.exists()));) {
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result = getSafeFileWithExtension(dir, filename, iter.next());
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}
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if (result == null) {
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throw new InvalidFilenameException(filename, "Invalid characters or extension missing");
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}
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return result;
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}
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private File getSafeFileWithExtension(File dir, String filename, String extension) {
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if (extension != null) {
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int dot = filename.lastIndexOf('.');
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if (dot < 0 || dot == filename.length() - 1 || !filename.substring(dot + 1).equalsIgnoreCase(extension)) {
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filename += "." + extension;
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}
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}
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if (!checkFilename(filename)) {
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return null;
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}
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return new File(dir, filename);
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}
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private boolean checkFilename(String filename) {
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return filename.matches("^[A-Za-z0-9_\\- \\./\\\\'\\$@~!%\\^\\*\\(\\)\\[\\]\\+\\{\\},\\?]+\\.[A-Za-z0-9]+$");
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}
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/**
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* Load the bundled mappings.
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*/
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public void loadMappings() {
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BundledBlockData.getInstance(); // Load block registry
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BundledItemData.getInstance(); // Load item registry
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LegacyMapper.getInstance(); // Load item registry
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}
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/**
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* Checks to see if the specified radius is within bounds.
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*
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* @param radius the radius
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* @throws MaxRadiusException
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*/
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public void checkMaxRadius(double radius) throws MaxRadiusException {
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if (getConfiguration().maxRadius > 0 && radius > getConfiguration().maxRadius) {
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throw new MaxRadiusException();
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}
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}
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/**
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* Checks to see if the specified brush radius is within bounds.
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*
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* @param radius the radius
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* @throws MaxBrushRadiusException
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*/
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public void checkMaxBrushRadius(double radius) throws MaxBrushRadiusException {
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if (getConfiguration().maxBrushRadius > 0 && radius > getConfiguration().maxBrushRadius) {
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throw new MaxBrushRadiusException();
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}
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}
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public void checkMaxBrushRadius(Expression radius) throws MaxBrushRadiusException {
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if (getConfiguration().maxBrushRadius > 0) {
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RValue r = radius.getRoot();
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if (r instanceof Constant && ((Constant) r).getValue() > getConfiguration().maxBrushRadius) {
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throw new MaxBrushRadiusException();
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}
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}
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}
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/**
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* Get a file relative to the defined working directory. If the specified
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* path is absolute, then the working directory is not used.
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*
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* @param path the subpath under the working directory
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* @return a working directory
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*/
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public File getWorkingDirectoryFile(String path) {
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File f = new File(path);
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if (f.isAbsolute()) {
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return f;
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}
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return new File(getConfiguration().getWorkingDirectory(), path);
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}
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/**
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* Get the direction vector for a player's direction.
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*
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* @param player the player
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* @param dirStr the direction string
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* @return a direction vector
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* @throws UnknownDirectionException thrown if the direction is not known, or a relative direction is used with null player
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*/
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public BlockVector3 getDirection(@Nullable Player player, String dirStr) throws UnknownDirectionException {
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dirStr = dirStr.toLowerCase(Locale.ROOT);
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final Direction dir = getPlayerDirection(player, dirStr);
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if (dir.isUpright() || dir.isCardinal()) {
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return dir.toBlockVector();
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} else {
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throw new UnknownDirectionException(dir.name());
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}
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}
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/**
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* Get the direction vector for a player's direction.
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*
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* @param player the player
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* @param dirStr the direction string
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* @return a direction vector
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* @throws UnknownDirectionException thrown if the direction is not known, or a relative direction is used with null player
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*/
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public BlockVector3 getDiagonalDirection(@Nullable Player player, String dirStr) throws UnknownDirectionException {
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dirStr = dirStr.toLowerCase(Locale.ROOT);
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final Direction dir = getPlayerDirection(player, dirStr);
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if (dir.isCardinal() || dir.isOrdinal() || dir.isUpright()) {
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return dir.toBlockVector();
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}
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throw new UnknownDirectionException(dir.name());
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}
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/**
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* Get the direction vector for a player's direction.
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*
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* @param player the player
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* @param dirStr the direction string
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* @return a direction enum value
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* @throws UnknownDirectionException thrown if the direction is not known, or a relative direction is used with null player
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*/
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private Direction getPlayerDirection(@Nullable Player player, String dirStr) throws UnknownDirectionException {
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final Direction dir;
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switch (dirStr.charAt(0)) {
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case 'w':
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dir = Direction.WEST;
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break;
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case 'e':
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dir = Direction.EAST;
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break;
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case 's':
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if (dirStr.indexOf('w') > 0) {
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return Direction.SOUTHWEST;
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}
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if (dirStr.indexOf('e') > 0) {
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return Direction.SOUTHEAST;
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}
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dir = Direction.SOUTH;
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break;
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case 'n':
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if (dirStr.indexOf('w') > 0) {
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return Direction.NORTHWEST;
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}
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if (dirStr.indexOf('e') > 0) {
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return Direction.NORTHEAST;
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}
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dir = Direction.NORTH;
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break;
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case 'u':
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dir = Direction.UP;
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break;
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case 'd':
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dir = Direction.DOWN;
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break;
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case 'm': // me
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case 'f': // forward
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dir = getDirectionRelative(player, 0);
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break;
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case 'b': // back
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dir = getDirectionRelative(player, 180);
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break;
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case 'l': // left
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dir = getDirectionRelative(player, -90);
|
|
break;
|
|
|
|
case 'r': // right
|
|
dir = getDirectionRelative(player, 90);
|
|
break;
|
|
|
|
default:
|
|
throw new UnknownDirectionException(dirStr);
|
|
}
|
|
return dir;
|
|
}
|
|
|
|
private Direction getDirectionRelative(Player player, int yawOffset) throws UnknownDirectionException {
|
|
if (player != null) {
|
|
return player.getCardinalDirection(yawOffset);
|
|
}
|
|
throw new UnknownDirectionException("Only a player can use relative directions");
|
|
}
|
|
|
|
/**
|
|
* Flush a block bag's changes to a player.
|
|
*
|
|
* @param actor the actor
|
|
* @param editSession the edit session
|
|
*/
|
|
public void flushBlockBag(Actor actor, EditSession editSession) {
|
|
BlockBag blockBag = editSession.getBlockBag();
|
|
|
|
if (blockBag != null) {
|
|
blockBag.flushChanges();
|
|
}
|
|
|
|
Map<BlockType, Integer> missingBlocks = editSession.popMissingBlocks();
|
|
|
|
if (!missingBlocks.isEmpty()) {
|
|
StringBuilder str = new StringBuilder();
|
|
str.append("Missing these blocks: ");
|
|
int size = missingBlocks.size();
|
|
int i = 0;
|
|
|
|
for (Map.Entry<BlockType, Integer> blockTypeIntegerEntry : missingBlocks.entrySet()) {
|
|
str.append((blockTypeIntegerEntry.getKey()).getName());
|
|
|
|
str.append(" [Amt: ").append(blockTypeIntegerEntry.getValue()).append("]");
|
|
|
|
++i;
|
|
|
|
if (i != size) {
|
|
str.append(", ");
|
|
}
|
|
}
|
|
|
|
actor.printError(str.toString());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Called on arm swing.
|
|
*
|
|
* @param player the player
|
|
* @return true if the swing was handled
|
|
*/
|
|
public boolean handleArmSwing(Player player) {
|
|
PlayerInputEvent event = new PlayerInputEvent(player, InputType.PRIMARY);
|
|
getEventBus().post(event);
|
|
return event.isCancelled();
|
|
}
|
|
|
|
/**
|
|
* Called on right click (not on a block).
|
|
*
|
|
* @param player the player
|
|
* @return true if the right click was handled
|
|
*/
|
|
public boolean handleRightClick(Player player) {
|
|
PlayerInputEvent event = new PlayerInputEvent(player, InputType.SECONDARY);
|
|
getEventBus().post(event);
|
|
return event.isCancelled();
|
|
}
|
|
|
|
/**
|
|
* Called on right click.
|
|
*
|
|
* @param player the player
|
|
* @param clicked the clicked block
|
|
* @return false if you want the action to go through
|
|
*/
|
|
public boolean handleBlockRightClick(Player player, Location clicked) {
|
|
BlockInteractEvent event = new BlockInteractEvent(player, clicked, OPEN);
|
|
getEventBus().post(event);
|
|
return event.isCancelled();
|
|
}
|
|
|
|
/**
|
|
* Called on left click.
|
|
*
|
|
* @param player the player
|
|
* @param clicked the clicked block
|
|
* @return false if you want the action to go through
|
|
*/
|
|
public boolean handleBlockLeftClick(Player player, Location clicked) {
|
|
BlockInteractEvent event = new BlockInteractEvent(player, clicked, HIT);
|
|
getEventBus().post(event);
|
|
return event.isCancelled();
|
|
}
|
|
|
|
/**
|
|
* Executes a WorldEdit script.
|
|
*
|
|
* @param player the player
|
|
* @param f the script file to execute
|
|
* @param args arguments for the script
|
|
* @throws WorldEditException
|
|
*/
|
|
public void runScript(Player player, File f, String[] args) throws WorldEditException {
|
|
String filename = f.getPath();
|
|
int index = filename.lastIndexOf('.');
|
|
String ext = filename.substring(index + 1);
|
|
|
|
if (!ext.equalsIgnoreCase("js")) {
|
|
player.printError("Only .js scripts are currently supported");
|
|
return;
|
|
}
|
|
|
|
String script;
|
|
|
|
try {
|
|
InputStream file;
|
|
|
|
if (!f.exists()) {
|
|
file = WorldEdit.class.getResourceAsStream("craftscripts/" + filename);
|
|
|
|
if (file == null) {
|
|
player.printError("Script does not exist: " + filename);
|
|
return;
|
|
}
|
|
} else {
|
|
file = new FileInputStream(f);
|
|
}
|
|
|
|
DataInputStream in = new DataInputStream(file);
|
|
byte[] data = new byte[in.available()];
|
|
in.readFully(data);
|
|
in.close();
|
|
script = new String(data, 0, data.length, StandardCharsets.UTF_8);
|
|
} catch (IOException e) {
|
|
player.printError("Script read error: " + e.getMessage());
|
|
return;
|
|
}
|
|
|
|
LocalSession session = getSessionManager().get(player);
|
|
CraftScriptContext scriptContext = new CraftScriptContext(this, getPlatformManager().queryCapability(Capability.USER_COMMANDS),
|
|
getConfiguration(), session, player, args);
|
|
|
|
CraftScriptEngine engine;
|
|
|
|
try {
|
|
engine = new RhinoCraftScriptEngine();
|
|
} catch (NoClassDefFoundError ignored) {
|
|
player.printError("Failed to find an installed script engine.");
|
|
player.printError("Please see https://worldedit.enginehub.org/en/latest/usage/other/craftscripts/");
|
|
return;
|
|
}
|
|
|
|
engine.setTimeLimit(getConfiguration().scriptTimeout);
|
|
|
|
Map<String, Object> vars = new HashMap<>();
|
|
vars.put("argv", args);
|
|
vars.put("context", scriptContext);
|
|
vars.put("player", player);
|
|
|
|
try {
|
|
engine.evaluate(script, filename, vars);
|
|
} catch (ScriptException e) {
|
|
player.printError("Failed to execute:");
|
|
player.printRaw(e.getMessage());
|
|
logger.warn("Failed to execute script", e);
|
|
} catch (NumberFormatException | WorldEditException e) {
|
|
throw e;
|
|
} catch (Throwable e) {
|
|
player.printError("Failed to execute (see console):");
|
|
player.printRaw(e.getClass().getCanonicalName());
|
|
logger.warn("Failed to execute script", e);
|
|
} finally {
|
|
for (EditSession editSession : scriptContext.getEditSessions()) {
|
|
editSession.flushSession();
|
|
session.remember(editSession);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get Worldedit's configuration.
|
|
*
|
|
* @return a configuration
|
|
*/
|
|
public LocalConfiguration getConfiguration() {
|
|
return getPlatformManager().getConfiguration();
|
|
}
|
|
|
|
/**
|
|
* Get a factory for {@link EditSession}s.
|
|
*/
|
|
public EditSessionFactory getEditSessionFactory() {
|
|
return editSessionFactory;
|
|
}
|
|
|
|
/**
|
|
* Get the version.
|
|
*
|
|
* @return the version of WorldEdit
|
|
*/
|
|
public static String getVersion() {
|
|
if (version != null) {
|
|
return version;
|
|
}
|
|
|
|
Package p = WorldEdit.class.getPackage();
|
|
|
|
if (p == null) {
|
|
p = Package.getPackage("com.sk89q.worldedit");
|
|
}
|
|
|
|
if (p == null) {
|
|
version = "(unknown)";
|
|
} else {
|
|
version = p.getImplementationVersion();
|
|
|
|
if (version == null) {
|
|
version = "(unknown)";
|
|
}
|
|
}
|
|
|
|
return version;
|
|
}
|
|
|
|
}
|