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WorldEditBinding.java
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WorldEditBinding.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.internal.command;
import com.boydti.fawe.object.FawePlayer;
import com.boydti.fawe.util.MathMan;
import com.sk89q.worldedit.EditSession;
import com.sk89q.worldedit.IncompleteRegionException;
import com.sk89q.worldedit.LocalSession;
import com.sk89q.worldedit.PlayerDirection;
import com.sk89q.worldedit.UnknownDirectionException;
import com.sk89q.worldedit.Vector;
import com.sk89q.worldedit.WorldEdit;
import com.sk89q.worldedit.WorldEditException;
import com.sk89q.worldedit.blocks.BaseBlock;
import com.sk89q.worldedit.entity.Entity;
import com.sk89q.worldedit.entity.Player;
import com.sk89q.worldedit.extension.input.NoMatchException;
import com.sk89q.worldedit.extension.input.ParserContext;
import com.sk89q.worldedit.extension.platform.Actor;
import com.sk89q.worldedit.extent.Extent;
import com.sk89q.worldedit.function.mask.Mask;
import com.sk89q.worldedit.function.pattern.Pattern;
import com.sk89q.worldedit.internal.annotation.Direction;
import com.sk89q.worldedit.internal.annotation.Selection;
import com.sk89q.worldedit.regions.Region;
import com.sk89q.worldedit.util.TreeGenerator;
import com.sk89q.worldedit.util.TreeGenerator.TreeType;
import com.sk89q.worldedit.util.command.parametric.ArgumentStack;
import com.sk89q.worldedit.util.command.parametric.BindingBehavior;
import com.sk89q.worldedit.util.command.parametric.BindingHelper;
import com.sk89q.worldedit.util.command.parametric.BindingMatch;
import com.sk89q.worldedit.util.command.parametric.ParameterException;
import com.sk89q.worldedit.world.World;
import com.sk89q.worldedit.world.biome.BaseBiome;
import com.sk89q.worldedit.world.biome.Biomes;
import com.sk89q.worldedit.world.registry.BiomeRegistry;
import java.util.Arrays;
import java.util.List;
/**
* Binds standard WorldEdit classes such as {@link Player} and {@link LocalSession}.
*/
public class WorldEditBinding extends BindingHelper {
private final WorldEdit worldEdit;
/**
* Create a new instance.
*
* @param worldEdit the WorldEdit instance to bind to
*/
public WorldEditBinding(WorldEdit worldEdit) {
this.worldEdit = worldEdit;
}
/**
* Gets a selection from a {@link ArgumentStack}.
*
* @param context the context
* @param selection the annotation
* @return a selection
* @throws IncompleteRegionException if no selection is available
* @throws ParameterException on other error
*/
@BindingMatch(classifier = Selection.class,
type = Region.class,
behavior = BindingBehavior.PROVIDES)
public Object getSelection(ArgumentStack context, Selection selection) throws IncompleteRegionException, ParameterException {
Player sender = getPlayer(context);
LocalSession session = worldEdit.getSessionManager().get(sender);
return session.getSelection(FawePlayer.wrap(sender).getWorldForEditing());
}
/**
* Gets an {@link EditSession} from a {@link ArgumentStack}.
*
* @param context the context
* @return an edit session
* @throws ParameterException on other error
*/
@BindingMatch(type = EditSession.class,
behavior = BindingBehavior.PROVIDES)
public EditSession getEditSession(ArgumentStack context) throws ParameterException {
Player sender = getPlayer(context);
LocalSession session = worldEdit.getSessionManager().get(sender);
EditSession editSession = session.createEditSession(sender);
editSession.enableQueue();
context.getContext().getLocals().put(EditSession.class, editSession);
session.tellVersion(sender);
return editSession;
}
/**
* Gets an {@link LocalSession} from a {@link ArgumentStack}.
*
* @param context the context
* @return a local session
* @throws ParameterException on error
*/
@BindingMatch(type = LocalSession.class,
behavior = BindingBehavior.PROVIDES)
public LocalSession getLocalSession(ArgumentStack context) throws ParameterException {
Player sender = getPlayer(context);
return worldEdit.getSessionManager().get(sender);
}
/**
* Gets an {@link Actor} from a {@link ArgumentStack}.
*
* @param context the context
* @return a local player
* @throws ParameterException on error
*/
@BindingMatch(type = Actor.class,
behavior = BindingBehavior.PROVIDES)
public Actor getActor(ArgumentStack context) throws ParameterException {
Actor sender = context.getContext().getLocals().get(Actor.class);
if (sender == null) {
throw new ParameterException("Missing 'Actor'");
} else {
return sender;
}
}
/**
* Gets an {@link Player} from a {@link ArgumentStack}.
*
* @param context the context
* @return a local player
* @throws ParameterException on error
*/
@BindingMatch(type = Player.class,
behavior = BindingBehavior.PROVIDES)
public Player getPlayer(ArgumentStack context) throws ParameterException {
Actor sender = context.getContext().getLocals().get(Actor.class);
if (sender == null) {
throw new ParameterException("No player to get a session for");
} else if (sender instanceof Player) {
return (Player) sender;
} else {
throw new ParameterException("Caller is not a player");
}
}
/**
* Gets an {@link BaseBlock} from a {@link ArgumentStack}.
*
* @param context the context
* @return a pattern
* @throws ParameterException on error
* @throws WorldEditException on error
*/
@BindingMatch(type = BaseBlock.class,
behavior = BindingBehavior.CONSUMES,
consumedCount = 1)
public BaseBlock getBaseBlock(ArgumentStack context) throws ParameterException, WorldEditException {
Actor actor = context.getContext().getLocals().get(Actor.class);
ParserContext parserContext = new ParserContext();
parserContext.setActor(context.getContext().getLocals().get(Actor.class));
if (actor instanceof Entity) {
Extent extent = ((Entity) actor).getExtent();
if (extent instanceof World) {
parserContext.setWorld((World) extent);
}
}
parserContext.setSession(worldEdit.getSessionManager().get(actor));
try {
return worldEdit.getBlockFactory().parseFromInput(context.next(), parserContext);
} catch (NoMatchException e) {
throw new ParameterException(e.getMessage(), e);
}
}
/**
* Gets an {@link Pattern} from a {@link ArgumentStack}.
*
* @param context the context
* @return a pattern
* @throws ParameterException on error
* @throws WorldEditException on error
*/
@BindingMatch(type = Pattern.class,
behavior = BindingBehavior.CONSUMES,
consumedCount = 1)
public Pattern getPattern(ArgumentStack context) throws ParameterException, WorldEditException {
Actor actor = context.getContext().getLocals().get(Actor.class);
ParserContext parserContext = new ParserContext();
parserContext.setActor(context.getContext().getLocals().get(Actor.class));
if (actor instanceof Entity) {
Extent extent = ((Entity) actor).getExtent();
if (extent instanceof World) {
parserContext.setWorld((World) extent);
}
}
parserContext.setSession(worldEdit.getSessionManager().get(actor));
try {
return worldEdit.getPatternFactory().parseFromInput(context.next(), parserContext);
} catch (NoMatchException e) {
throw new ParameterException(e.getMessage(), e);
}
}
@BindingMatch(type = Pattern.class,
behavior = BindingBehavior.CONSUMES,
consumedCount = 1)
@Deprecated
public com.sk89q.worldedit.patterns.Pattern getLegacyPattern(ArgumentStack context) throws ParameterException, WorldEditException {
return getPattern(context);
}
/**
* Gets an {@link Mask} from a {@link ArgumentStack}.
*
* @param context the context
* @return a pattern
* @throws ParameterException on error
* @throws WorldEditException on error
*/
@BindingMatch(type = Mask.class,
behavior = BindingBehavior.CONSUMES,
consumedCount = 1)
public Mask getMask(ArgumentStack context) throws ParameterException, WorldEditException {
Actor actor = context.getContext().getLocals().get(Actor.class);
ParserContext parserContext = new ParserContext();
parserContext.setActor(context.getContext().getLocals().get(Actor.class));
if (actor instanceof Entity) {
Extent extent = ((Entity) actor).getExtent();
if (extent instanceof World) {
parserContext.setWorld((World) extent);
}
}
parserContext.setSession(worldEdit.getSessionManager().get(actor));
try {
return worldEdit.getMaskFactory().parseFromInput(context.next(), parserContext);
} catch (NoMatchException e) {
throw new ParameterException(e.getMessage(), e);
}
}
@BindingMatch(type = com.sk89q.worldedit.masks.Mask.class,
behavior = BindingBehavior.CONSUMES,
consumedCount = 1)
@Deprecated
public com.sk89q.worldedit.masks.Mask getLegacyMask(ArgumentStack context) throws ParameterException, WorldEditException {
return getMask(context);
}
/**
* Get a direction from the player.
*
* @param context the context
* @param direction the direction annotation
* @return a pattern
* @throws ParameterException on error
* @throws UnknownDirectionException on an unknown direction
*/
@BindingMatch(classifier = Direction.class,
type = Vector.class,
behavior = BindingBehavior.CONSUMES,
consumedCount = 1)
public Vector getDirection(ArgumentStack context, Direction direction)
throws ParameterException, UnknownDirectionException {
Player sender = getPlayer(context);
return PlayerDirection.valueOf(sender, context.next()).vector();
}
/**
* Gets an {@link TreeType} from a {@link ArgumentStack}.
*
* @param context the context
* @return a pattern
* @throws ParameterException on error
* @throws WorldEditException on error
*/
@BindingMatch(type = TreeType.class,
behavior = BindingBehavior.CONSUMES,
consumedCount = 1)
public TreeType getTreeType(ArgumentStack context) throws ParameterException, WorldEditException {
String input = context.next();
if (input != null) {
TreeType type = TreeGenerator.lookup(input);
if (type != null) {
return type;
} else {
throw new ParameterException(
String.format("Can't recognize tree type '%s' -- choose from: %s", input, Arrays.toString(TreeType.values())));
}
} else {
return TreeType.TREE;
}
}
/**
* Gets an {@link BaseBiome} from a {@link ArgumentStack}.
*
* @param context the context
* @return a pattern
* @throws ParameterException on error
* @throws WorldEditException on error
*/
@BindingMatch(type = BaseBiome.class,
behavior = BindingBehavior.CONSUMES,
consumedCount = 1)
public BaseBiome getBiomeType(ArgumentStack context) throws ParameterException, WorldEditException {
String input = context.next();
if (input != null) {
if (MathMan.isInteger(input)) return new BaseBiome(Integer.parseInt(input));
Actor actor = context.getContext().getLocals().get(Actor.class);
World world;
if (actor instanceof Entity) {
Extent extent = ((Entity) actor).getExtent();
if (extent instanceof World) {
world = (World) extent;
} else {
throw new ParameterException("A world is required.");
}
} else {
throw new ParameterException("An entity is required.");
}
BiomeRegistry biomeRegistry = world.getWorldData().getBiomeRegistry();
List<BaseBiome> knownBiomes = biomeRegistry.getBiomes();
BaseBiome biome = Biomes.findBiomeByName(knownBiomes, input, biomeRegistry);
if (biome != null) {
return biome;
} else {
throw new ParameterException(
String.format("Can't recognize biome type '%s' -- use /biomelist to list available types", input));
}
} else {
throw new ParameterException(
"This command takes a 'default' biome if one is not set, except there is no particular " +
"biome that should be 'default', so the command should not be taking a default biome");
}
}
public static Class<?> inject() {
return WorldEditBinding.class;
}
}