mirror of
https://github.com/plexusorg/Plex-FAWE.git
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167 lines
6.0 KiB
Java
167 lines
6.0 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.registry;
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import com.google.common.collect.HashMultimap;
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import com.google.common.collect.Multimap;
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import com.google.common.io.Resources;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import com.google.gson.reflect.TypeToken;
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import com.sk89q.worldedit.WorldEdit;
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import com.sk89q.worldedit.extension.input.ParserContext;
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import com.sk89q.worldedit.math.Vector3;
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import com.sk89q.worldedit.util.gson.VectorAdapter;
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import com.sk89q.worldedit.world.block.BlockState;
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import com.sk89q.worldedit.world.item.ItemType;
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import com.sk89q.worldedit.world.item.ItemTypes;
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import java.io.IOException;
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import java.net.URL;
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import java.nio.charset.Charset;
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import java.util.Arrays;
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import java.util.Map;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.annotation.Nullable;
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import static com.google.common.base.Preconditions.checkNotNull;
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public class LegacyMapper {
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private static final Logger log = Logger.getLogger(LegacyMapper.class.getCanonicalName());
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private static LegacyMapper INSTANCE;
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private Multimap<String, BlockState> stringToBlockMap = HashMultimap.create();
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private Multimap<BlockState, String> blockToStringMap = HashMultimap.create();
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private Multimap<String, ItemType> stringToItemMap = HashMultimap.create();
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private Multimap<ItemType, String> itemToStringMap = HashMultimap.create();
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/**
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* Create a new instance.
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*/
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private LegacyMapper() {
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try {
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loadFromResource();
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} catch (Throwable e) {
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log.log(Level.WARNING, "Failed to load the built-in legacy id registry", e);
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}
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}
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/**
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* Attempt to load the data from file.
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*
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* @throws IOException thrown on I/O error
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*/
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private void loadFromResource() throws IOException {
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GsonBuilder gsonBuilder = new GsonBuilder();
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gsonBuilder.registerTypeAdapter(Vector3.class, new VectorAdapter());
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Gson gson = gsonBuilder.disableHtmlEscaping().create();
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URL url = LegacyMapper.class.getResource("legacy.json");
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if (url == null) {
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throw new IOException("Could not find legacy.json");
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}
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String data = Resources.toString(url, Charset.defaultCharset());
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LegacyDataFile dataFile = gson.fromJson(data, new TypeToken<LegacyDataFile>() {}.getType());
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ParserContext parserContext = new ParserContext();
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parserContext.setPreferringWildcard(false);
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parserContext.setRestricted(false);
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parserContext.setTryLegacy(false); // This is legacy. Don't match itself.
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for (Map.Entry<String, String> blockEntry : dataFile.blocks.entrySet()) {
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try {
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String id = blockEntry.getKey();
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BlockState state = WorldEdit.getInstance().getBlockFactory().parseFromInput(blockEntry.getValue(), parserContext).toImmutableState();
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blockToStringMap.put(state, id);
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stringToBlockMap.put(id, state);
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} catch (Exception e) {
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log.warning("Unknown block: " + blockEntry.getValue());
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}
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}
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for (Map.Entry<String, String> itemEntry : dataFile.items.entrySet()) {
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try {
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String id = itemEntry.getKey();
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ItemType type = ItemTypes.get(itemEntry.getValue());
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checkNotNull(type);
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itemToStringMap.put(type, id);
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stringToItemMap.put(id, type);
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} catch (Exception e) {
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log.warning("Unknown item: " + itemEntry.getValue());
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}
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}
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}
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@Nullable
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public ItemType getItemFromLegacy(int legacyId) {
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return getItemFromLegacy(legacyId, 0);
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}
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@Nullable
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public ItemType getItemFromLegacy(int legacyId, int data) {
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return stringToItemMap.get(legacyId + ":" + data).stream().findFirst().orElse(null);
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}
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@Nullable
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public int[] getLegacyFromItem(ItemType itemType) {
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if (!itemToStringMap.containsKey(itemType)) {
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return null;
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} else {
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String value = itemToStringMap.get(itemType).stream().findFirst().get();
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return Arrays.stream(value.split(":")).mapToInt(Integer::parseInt).toArray();
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}
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}
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@Nullable
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public BlockState getBlockFromLegacy(int legacyId) {
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return getBlockFromLegacy(legacyId, 0);
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}
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@Nullable
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public BlockState getBlockFromLegacy(int legacyId, int data) {
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return stringToBlockMap.get(legacyId + ":" + data).stream().findFirst().orElse(null);
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}
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@Nullable
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public int[] getLegacyFromBlock(BlockState blockState) {
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if (!blockToStringMap.containsKey(blockState)) {
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return null;
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} else {
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String value = blockToStringMap.get(blockState).stream().findFirst().get();
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return Arrays.stream(value.split(":")).mapToInt(Integer::parseInt).toArray();
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}
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}
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public static LegacyMapper getInstance() {
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if (INSTANCE == null) {
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INSTANCE = new LegacyMapper();
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}
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return INSTANCE;
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}
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@SuppressWarnings({"MismatchedQueryAndUpdateOfCollection"})
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private static class LegacyDataFile {
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private Map<String, String> blocks;
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private Map<String, String> items;
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}
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}
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