/
BlockType.java
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/
BlockType.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.block;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Iterables;
import com.sk89q.worldedit.WorldEdit;
import com.sk89q.worldedit.extension.platform.Capability;
import com.sk89q.worldedit.registry.Keyed;
import com.sk89q.worldedit.registry.NamespacedRegistry;
import com.sk89q.worldedit.registry.state.Property;
import com.sk89q.worldedit.util.concurrency.LazyReference;
import com.sk89q.worldedit.world.item.ItemType;
import com.sk89q.worldedit.world.item.ItemTypes;
import com.sk89q.worldedit.world.registry.BlockMaterial;
import com.sk89q.worldedit.world.registry.LegacyMapper;
import javax.annotation.Nullable;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import static com.google.common.base.Preconditions.checkArgument;
public class BlockType implements Keyed {
public static final NamespacedRegistry<BlockType> REGISTRY = new NamespacedRegistry<>("block type");
private final String id;
private final Function<BlockState, BlockState> values;
private final LazyReference<BlockState> defaultState
= LazyReference.from(this::computeDefaultState);
private final LazyReference<FuzzyBlockState> emptyFuzzy
= LazyReference.from(() -> new FuzzyBlockState(this));
private final LazyReference<Map<String, ? extends Property<?>>> properties
= LazyReference.from(() -> ImmutableMap.copyOf(WorldEdit.getInstance().getPlatformManager()
.queryCapability(Capability.GAME_HOOKS).getRegistries().getBlockRegistry().getProperties(this)));
private final LazyReference<BlockMaterial> blockMaterial
= LazyReference.from(() -> WorldEdit.getInstance().getPlatformManager()
.queryCapability(Capability.GAME_HOOKS).getRegistries().getBlockRegistry().getMaterial(this));
private final LazyReference<Map<Map<Property<?>, Object>, BlockState>> blockStatesMap
= LazyReference.from(() -> BlockState.generateStateMap(this));
public BlockType(String id) {
this(id, null);
}
public BlockType(String id, Function<BlockState, BlockState> values) {
// If it has no namespace, assume minecraft.
if (!id.contains(":")) {
id = "minecraft:" + id;
}
this.id = id;
this.values = values;
}
private BlockState computeDefaultState() {
BlockState defaultState = Iterables.getFirst(getBlockStatesMap().values(), null);
if (values != null) {
defaultState = values.apply(defaultState);
}
return defaultState;
}
private Map<Map<Property<?>, Object>, BlockState> getBlockStatesMap() {
return blockStatesMap.getValue();
}
/**
* Gets the ID of this block.
*
* @return The id
*/
@Override
public String getId() {
return this.id;
}
/**
* Gets the name of this block, or the ID if the name cannot be found.
*
* @return The name, or ID
*/
public String getName() {
String name = WorldEdit.getInstance().getPlatformManager().queryCapability(Capability.GAME_HOOKS).getRegistries().getBlockRegistry().getName(this);
if (name == null) {
return getId();
} else {
return name;
}
}
/**
* Gets the properties of this BlockType in a {@code key->property} mapping.
*
* @return The properties map
*/
public Map<String, ? extends Property<?>> getPropertyMap() {
return properties.getValue();
}
/**
* Gets the properties of this BlockType.
*
* @return the properties
*/
public List<? extends Property<?>> getProperties() {
return ImmutableList.copyOf(this.getPropertyMap().values());
}
/**
* Gets a property by name.
*
* @param name The name
* @return The property
*/
public <V> Property<V> getProperty(String name) {
// Assume it works, CCE later at runtime if not.
@SuppressWarnings("unchecked")
Property<V> property = (Property<V>) getPropertyMap().get(name);
checkArgument(property != null, "%s has no property named %s", this, name);
return property;
}
/**
* Gets the default state of this block type.
*
* @return The default state
*/
public BlockState getDefaultState() {
return defaultState.getValue();
}
public FuzzyBlockState getFuzzyMatcher() {
return emptyFuzzy.getValue();
}
/**
* Gets a list of all possible states for this BlockType.
*
* @return All possible states
*/
public List<BlockState> getAllStates() {
return ImmutableList.copyOf(getBlockStatesMap().values());
}
/**
* Gets a state of this BlockType with the given properties.
*
* @return The state, if it exists
*/
public BlockState getState(Map<Property<?>, Object> key) {
BlockState state = getBlockStatesMap().get(key);
checkArgument(state != null, "%s has no state for %s", this, key);
return state;
}
/**
* Gets whether this block type has an item representation.
*
* @return If it has an item
*/
public boolean hasItemType() {
return getItemType() != null;
}
/**
* Gets the item representation of this block type, if it exists.
*
* @return The item representation
*/
@Nullable
public ItemType getItemType() {
return ItemTypes.get(this.id);
}
/**
* Get the material for this BlockType.
*
* @return The material
*/
public BlockMaterial getMaterial() {
return blockMaterial.getValue();
}
/**
* Gets the legacy ID. Needed for legacy reasons.
*
* DO NOT USE THIS.
*
* @return legacy id or 0, if unknown
*/
@Deprecated
public int getLegacyId() {
int[] id = LegacyMapper.getInstance().getLegacyFromBlock(this.getDefaultState());
if (id != null) {
return id[0];
} else {
return 0;
}
}
@Override
public String toString() {
return getId();
}
@Override
public int hashCode() {
return this.id.hashCode();
}
@Override
public boolean equals(Object obj) {
return obj instanceof BlockType && this.id.equals(((BlockType) obj).id);
}
}