mirror of
https://github.com/plexusorg/Plex-FAWE.git
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184 lines
5.4 KiB
Java
184 lines
5.4 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.world.block;
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import static com.google.common.base.Preconditions.checkNotNull;
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import com.sk89q.worldedit.registry.state.Property;
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import com.sk89q.worldedit.registry.state.PropertyKey;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Objects;
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/**
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* A Fuzzy BlockState. Used for partial matching.
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*
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* Immutable, construct with {@link FuzzyBlockState.Builder}.
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*/
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public class FuzzyBlockState extends BlockState {
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private final Map<PropertyKey, Object> props;
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FuzzyBlockState(BlockType blockType) {
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this(blockType.getDefaultState(), null);
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}
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public FuzzyBlockState(BlockState state) {
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this(state, null);
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}
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private FuzzyBlockState(BlockState state, Map<Property<?>, Object> values) {
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super(state.getBlockType(), state.getInternalId(), state.getOrdinal());
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if (values == null || values.isEmpty()) {
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props = Collections.emptyMap();
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} else {
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props = new HashMap<>(values.size());
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for (Map.Entry<Property<?>, Object> entry : values.entrySet()) {
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props.put(entry.getKey().getKey(), entry.getValue());
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}
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}
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}
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/**
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* Gets a full BlockState from this fuzzy one, filling in
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* properties with default values where necessary.
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*
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* @return The full BlockState
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*/
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public BlockState getFullState() {
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BlockState state = getBlockType().getDefaultState();
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for (Map.Entry<Property<?>, Object> entry : getStates().entrySet()) {
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@SuppressWarnings("unchecked")
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Property<Object> objKey = (Property<Object>) entry.getKey();
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state = state.with(objKey, entry.getValue());
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}
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return state;
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}
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@Override
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public boolean equalsFuzzy(BlockStateHolder<?> o) {
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if (!getBlockType().equals(o.getBlockType())) {
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return false;
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}
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if (!props.isEmpty()) {
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for (Map.Entry<PropertyKey, Object> entry : props.entrySet()) {
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if (!Objects.equals(o.getState(entry.getKey()), entry.getValue())) {
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return false;
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}
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}
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}
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return true;
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}
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@Override
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public BaseBlock toBaseBlock() {
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return new BaseBlock();
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}
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@Override
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public BlockState toImmutableState() {
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return getFullState();
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}
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/**
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* Gets an instance of a builder.
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*
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* @return The builder
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*/
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public static Builder builder() {
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return new Builder();
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}
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/**
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* Builder for FuzzyBlockState
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*/
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public static class Builder {
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private BlockType type;
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private Map<Property<?>, Object> values = new HashMap<>();
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/**
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* The type of the Fuzzy BlockState
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*
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* @param type The type
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* @return The builder, for chaining
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*/
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public Builder type(BlockType type) {
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checkNotNull(type);
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this.type = type;
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return this;
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}
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/**
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* The type of the Fuzzy BlockState
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*
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* @param state The state
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* @return The builder, for chaining
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*/
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public Builder type(BlockState state) {
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checkNotNull(state);
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this.type = state.getBlockType();
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return this;
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}
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/**
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* Adds a property to the fuzzy BlockState
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*
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* @param property The property
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* @param value The value
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* @param <V> The property type
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* @return The builder, for chaining
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*/
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public <V> Builder withProperty(Property<V> property, V value) {
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checkNotNull(property);
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checkNotNull(value);
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checkNotNull(type, "The type must be set before the properties!");
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type.getProperty(property.getName()); // Verify the property is valid for this type
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values.put(property, value);
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return this;
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}
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/**
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* Builds a FuzzyBlockState from this builder.
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*
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* @return The fuzzy BlockState
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*/
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public FuzzyBlockState build() {
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checkNotNull(type);
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if (values.isEmpty()) {
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return type.getFuzzyMatcher();
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}
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return new FuzzyBlockState(type.getDefaultState(), values);
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}
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/**
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* Resets the builder.
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*
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* @return The builder, for chaining
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*/
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public Builder reset() {
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this.type = null;
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this.values.clear();
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return this;
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}
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}
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}
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