Plex-FAWE/worldedit-core/src/main/java/com/sk89q/worldedit/world/registry/LegacyMapper.java

310 lines
12 KiB
Java

/*
* 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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.world.registry;
import com.google.common.collect.BiMap;
import com.google.common.collect.HashBiMap;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.Multimap;
import com.google.common.io.Resources;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.reflect.TypeToken;
import com.sk89q.worldedit.WorldEdit;
import com.sk89q.worldedit.extension.factory.BlockFactory;
import com.sk89q.worldedit.extension.input.InputParseException;
import com.sk89q.worldedit.extension.input.ParserContext;
import com.sk89q.worldedit.extension.platform.Capability;
import com.sk89q.worldedit.internal.Constants;
import com.sk89q.worldedit.math.Vector3;
import com.sk89q.worldedit.registry.state.PropertyKey;
import com.sk89q.worldedit.util.gson.VectorAdapter;
import com.sk89q.worldedit.util.io.ResourceLoader;
import com.sk89q.worldedit.world.DataFixer;
import com.sk89q.worldedit.world.block.BlockState;
import com.sk89q.worldedit.world.block.BlockStateHolder;
import com.sk89q.worldedit.world.block.BlockType;
import com.sk89q.worldedit.world.item.ItemType;
import com.sk89q.worldedit.world.item.ItemTypes;
import it.unimi.dsi.fastutil.ints.Int2ObjectArrayMap;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.Nullable;
public final class LegacyMapper {
private static final Logger log = LoggerFactory.getLogger(LegacyMapper.class);
private static LegacyMapper INSTANCE;
private final ResourceLoader resourceLoader;
private final Int2ObjectArrayMap<Integer> blockStateToLegacyId4Data = new Int2ObjectArrayMap<>();
private final Int2ObjectArrayMap<Integer> extraId4DataToStateId = new Int2ObjectArrayMap<>();
private final int[] blockArr = new int[4096];
private final BiMap<Integer, ItemType> itemMap = HashBiMap.create();
private Map<String, String> blockEntries = new HashMap<>();
private final Map<String, BlockState> stringToBlockMap = new HashMap<>();
private final Multimap<BlockState, String> blockToStringMap = HashMultimap.create();
private final Map<String, ItemType> stringToItemMap = new HashMap<>();
private final Multimap<ItemType, String> itemToStringMap = HashMultimap.create();
/**
* Create a new instance.
*/
private LegacyMapper() {
this.resourceLoader = WorldEdit.getInstance().getPlatformManager().queryCapability(Capability.CONFIGURATION).getResourceLoader();
try {
loadFromResource();
} catch (Throwable e) {
log.warn("Failed to load the built-in legacy id registry", e);
}
}
/**
* Attempt to load the data from file.
*
* @throws IOException thrown on I/O error
*/
private void loadFromResource() throws IOException {
GsonBuilder gsonBuilder = new GsonBuilder();
gsonBuilder.registerTypeAdapter(Vector3.class, new VectorAdapter());
Gson gson = gsonBuilder.disableHtmlEscaping().create();
URL url = resourceLoader.getResource(LegacyMapper.class, "legacy.json");
if (url == null) {
throw new IOException("Could not find legacy.json");
}
String data = Resources.toString(url, Charset.defaultCharset());
LegacyDataFile dataFile = gson.fromJson(data, new TypeToken<LegacyDataFile>() {}.getType());
DataFixer fixer = WorldEdit.getInstance().getPlatformManager().queryCapability(Capability.WORLD_EDITING).getDataFixer();
ParserContext parserContext = new ParserContext();
parserContext.setPreferringWildcard(false);
parserContext.setRestricted(false);
parserContext.setTryLegacy(false); // This is legacy. Don't match itself.
for (Map.Entry<String, String> blockEntry : dataFile.blocks.entrySet()) {
String id = blockEntry.getKey();
Integer combinedId = getCombinedId(blockEntry.getKey());
final String value = blockEntry.getValue();
blockEntries.put(id, value);
BlockState state = null;
try {
state = BlockState.get(null, blockEntry.getValue());
BlockType type = state.getBlockType();
if (type.hasProperty(PropertyKey.WATERLOGGED)) {
state = state.with(PropertyKey.WATERLOGGED, false);
}
} catch (InputParseException f) {
BlockFactory blockFactory = WorldEdit.getInstance().getBlockFactory();
// if fixer is available, try using that first, as some old blocks that were renamed share names with new blocks
if (fixer != null) {
try {
String newEntry = fixer.fixUp(DataFixer.FixTypes.BLOCK_STATE, value, 1631);
state = blockFactory.parseFromInput(newEntry, parserContext).toImmutableState();
} catch (InputParseException ignored) {
}
}
// if it's still null, the fixer was unavailable or failed
if (state == null) {
try {
state = blockFactory.parseFromInput(value, parserContext).toImmutableState();
} catch (InputParseException ignored) {
}
}
// if it's still null, both fixer and default failed
if (state == null) {
log.debug("Unknown block: " + value);
} else {
// it's not null so one of them succeeded, now use it
blockToStringMap.put(state, id);
stringToBlockMap.put(id, state);
}
}
if (state != null) {
blockArr[combinedId] = state.getInternalId();
blockStateToLegacyId4Data.put(state.getInternalId(), (Integer) combinedId);
blockStateToLegacyId4Data.putIfAbsent(state.getInternalBlockTypeId(), combinedId);
}
}
for (int id = 0; id < 256; id++) {
int combinedId = id << 4;
int base = blockArr[combinedId];
if (base != 0) {
for (int data_ = 0; data_ < 16; data_++, combinedId++) {
if (blockArr[combinedId] == 0) blockArr[combinedId] = base;
}
}
}
for (Map.Entry<String, String> itemEntry : dataFile.items.entrySet()) {
String id = itemEntry.getKey();
String value = itemEntry.getValue();
ItemType type = ItemTypes.get(value);
if (type == null && fixer != null) {
value = fixer.fixUp(DataFixer.FixTypes.ITEM_TYPE, value, Constants.DATA_VERSION_MC_1_13_2);
type = ItemTypes.get(value);
}
if (type == null) {
log.debug("Unknown item: " + value);
} else {
try {
itemMap.put(getCombinedId(id), type);
} catch (Exception ignored) {
}
}
}
}
private int getCombinedId(String input) {
String[] split = input.split(":");
return (Integer.parseInt(split[0]) << 4) + (split.length == 2 ? Integer.parseInt(split[1]) : 0);
}
@Nullable
public ItemType getItemFromLegacy(int legacyId) {
return itemMap.get(legacyId << 4);
}
public ItemType getItemFromLegacy(String input) {
if (input.startsWith("minecraft:")) input = input.substring(10);
return itemMap.get(getCombinedId(input));
}
public BlockState getBlockFromLegacy(String input) {
if (input.startsWith("minecraft:")) input = input.substring(10);
try {
return BlockState.getFromInternalId(blockArr[getCombinedId(input)]);
} catch (InputParseException e) {
e.printStackTrace();
}
return null;
}
@Nullable
public ItemType getItemFromLegacy(int legacyId, int data) {
return itemMap.get((legacyId << 4) + data);
}
@Nullable
public Integer getLegacyCombined(ItemType itemType) {
return itemMap.inverse().get(itemType);
}
@Nullable
public int[] getLegacyFromItem(ItemType itemType) {
Integer combinedId = getLegacyCombined(itemType);
if (combinedId == null) {
return null;
} else {
return new int[]{combinedId >> 4, combinedId & 0xF};
}
}
@Nullable
public BlockState getBlockFromLegacy(int legacyId) {
return getBlock(legacyId << 4);
}
@Nullable
public BlockState getBlockFromLegacyCombinedId(int combinedId) {
return getBlock(combinedId);
}
@Nullable
public BlockState getBlockFromLegacy(int legacyId, int data) {
return getBlock((legacyId << 4) + data);
}
private BlockState getBlock(int combinedId) {
if (combinedId < blockArr.length) {
try {
int internalId = blockArr[combinedId];
if (internalId == 0) return null;
try {
return BlockState.getFromInternalId(internalId);
} catch (InputParseException e) {
e.printStackTrace();
}
} catch (IndexOutOfBoundsException ignore) {
return null;
}
}
Integer extra = extraId4DataToStateId.get(combinedId);
if (extra == null) {
extra = extraId4DataToStateId.get(combinedId & 0xFF0);
}
if (extra != null) {
try {
return BlockState.getFromInternalId(extra);
} catch (InputParseException e) {
e.printStackTrace();
}
}
return null;
}
public void register(int id, int data, BlockStateHolder state) {
Integer combinedId = ((id << 4) + data);
extraId4DataToStateId.put(combinedId, (Integer) state.getInternalId());
blockStateToLegacyId4Data.putIfAbsent(state.getInternalId(), combinedId);
}
@Nullable
public Integer getLegacyCombined(BlockState blockState) {
Integer result = blockStateToLegacyId4Data.get(blockState.getInternalId());
if (result == null) result = blockStateToLegacyId4Data.get(blockState.getInternalBlockTypeId());
return result;
}
@Nullable
public Integer getLegacyCombined(BlockType type) {
return blockStateToLegacyId4Data.get(type.getDefaultState().getInternalId());
}
@Deprecated
public int[] getLegacyFromBlock(BlockState blockState) {
Integer combinedId = getLegacyCombined(blockState);
return combinedId == null ? null : new int[] { combinedId >> 4, combinedId & 0xF };
}
public static LegacyMapper getInstance() {
if (INSTANCE == null) {
INSTANCE = new LegacyMapper();
}
return INSTANCE;
}
@SuppressWarnings({"MismatchedQueryAndUpdateOfCollection"})
private static class LegacyDataFile {
private Map<String, String> blocks;
private Map<String, String> items;
}
}