forked from GeyserMC/Geyser
196 lines
8.6 KiB
Java
196 lines
8.6 KiB
Java
/*
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* Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @author GeyserMC
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* @link https://github.com/GeyserMC/Geyser
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*/
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package org.geysermc.platform.spigot.world.manager;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.github.steveice10.mc.protocol.MinecraftConstants;
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import com.github.steveice10.mc.protocol.data.game.chunk.Chunk;
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import it.unimi.dsi.fastutil.ints.Int2IntMap;
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import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
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import org.bukkit.Bukkit;
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import org.bukkit.World;
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import org.bukkit.block.Biome;
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import org.bukkit.block.Block;
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import org.bukkit.block.data.BlockData;
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import org.bukkit.entity.Player;
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import org.geysermc.connector.GeyserConnector;
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import org.geysermc.connector.network.session.GeyserSession;
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import org.geysermc.connector.network.translators.world.GeyserWorldManager;
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import org.geysermc.connector.network.translators.world.block.BlockTranslator;
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import org.geysermc.connector.utils.FileUtils;
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import org.geysermc.connector.utils.GameRule;
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import org.geysermc.connector.utils.LanguageUtils;
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import java.io.InputStream;
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/**
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* The base world manager to use when there is no supported NMS revision
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*/
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public class GeyserSpigotWorldManager extends GeyserWorldManager {
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/**
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* The current client protocol version for ViaVersion usage.
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*/
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protected static final int CLIENT_PROTOCOL_VERSION = MinecraftConstants.PROTOCOL_VERSION;
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/**
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* Whether the server is pre-1.16 and therefore does not support 3D biomes on an API level guaranteed.
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*/
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private final boolean use3dBiomes;
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/**
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* Stores a list of {@link Biome} ordinal numbers to Minecraft biome numeric IDs.
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*
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* Working with the Biome enum in Spigot poses two problems:
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* 1: The Biome enum values change in both order and names over the years.
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* 2: There is no way to get the Minecraft biome ID from the name itself with Spigot.
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* To solve both of these problems, we store a JSON file of every Biome enum that has existed,
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* along with its 1.16 biome number.
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*
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* The key is the Spigot Biome ordinal; the value is the Minecraft Java biome numerical ID
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*/
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private final Int2IntMap biomeToIdMap = new Int2IntOpenHashMap(Biome.values().length);
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public GeyserSpigotWorldManager(boolean use3dBiomes) {
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this.use3dBiomes = use3dBiomes;
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// Load the values into the biome-to-ID map
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InputStream biomeStream = FileUtils.getResource("biomes.json");
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JsonNode biomes;
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try {
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biomes = GeyserConnector.JSON_MAPPER.readTree(biomeStream);
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} catch (Exception e) {
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throw new AssertionError(LanguageUtils.getLocaleStringLog("geyser.toolbox.fail.runtime_java"), e);
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}
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// Only load in the biomes that are present in this version of Minecraft
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for (Biome enumBiome : Biome.values()) {
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JsonNode biome = biomes.get(enumBiome.toString());
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if (biome != null) {
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biomeToIdMap.put(enumBiome.ordinal(), biome.intValue());
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} else {
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GeyserConnector.getInstance().getLogger().debug("No biome mapping found for " + enumBiome.toString() +
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", defaulting to 0");
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biomeToIdMap.put(enumBiome.ordinal(), 0);
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}
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}
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}
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@Override
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public int getBlockAt(GeyserSession session, int x, int y, int z) {
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Player bukkitPlayer;
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if ((bukkitPlayer = Bukkit.getPlayer(session.getPlayerEntity().getUsername())) == null) {
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return BlockTranslator.JAVA_AIR_ID;
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}
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World world = bukkitPlayer.getWorld();
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return BlockTranslator.getJavaIdBlockMap().getOrDefault(world.getBlockAt(x, y, z).getBlockData().getAsString(), BlockTranslator.JAVA_AIR_ID);
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}
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@Override
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public void getBlocksInSection(GeyserSession session, int x, int y, int z, Chunk chunk) {
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Player bukkitPlayer;
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if ((bukkitPlayer = Bukkit.getPlayer(session.getPlayerEntity().getUsername())) == null) {
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return;
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}
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World world = bukkitPlayer.getWorld();
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for (int blockY = 0; blockY < 16; blockY++) { // Cache-friendly iteration order
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for (int blockZ = 0; blockZ < 16; blockZ++) {
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for (int blockX = 0; blockX < 16; blockX++) {
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Block block = world.getBlockAt((x << 4) + blockX, (y << 4) + blockY, (z << 4) + blockZ);
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int id = BlockTranslator.getJavaIdBlockMap().getOrDefault(block.getBlockData().getAsString(), BlockTranslator.JAVA_AIR_ID);
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chunk.set(blockX, blockY, blockZ, id);
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}
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}
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}
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}
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@Override
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public boolean hasMoreBlockDataThanChunkCache() {
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return true;
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}
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@Override
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@SuppressWarnings("deprecation")
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public int[] getBiomeDataAt(GeyserSession session, int x, int z) {
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if (session.getPlayerEntity() == null) {
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return new int[1024];
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}
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int[] biomeData = new int[1024];
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World world = Bukkit.getPlayer(session.getPlayerEntity().getUsername()).getWorld();
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int chunkX = x << 4;
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int chunkZ = z << 4;
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int chunkXmax = chunkX + 16;
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int chunkZmax = chunkZ + 16;
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// 3D biomes didn't exist until 1.15
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if (use3dBiomes) {
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for (int localX = chunkX; localX < chunkXmax; localX += 4) {
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for (int localY = 0; localY < 255; localY += + 4) {
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for (int localZ = chunkZ; localZ < chunkZmax; localZ += 4) {
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// Index is based on wiki.vg's index requirements
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final int i = ((localY >> 2) & 63) << 4 | ((localZ >> 2) & 3) << 2 | ((localX >> 2) & 3);
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biomeData[i] = biomeToIdMap.getOrDefault(world.getBiome(localX, localY, localZ).ordinal(), 0);
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}
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}
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}
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} else {
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// Looks like the same code, but we're not checking the Y coordinate here
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for (int localX = chunkX; localX < chunkXmax; localX += 4) {
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for (int localY = 0; localY < 255; localY += + 4) {
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for (int localZ = chunkZ; localZ < chunkZmax; localZ += 4) {
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// Index is based on wiki.vg's index requirements
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final int i = ((localY >> 2) & 63) << 4 | ((localZ >> 2) & 3) << 2 | ((localX >> 2) & 3);
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biomeData[i] = biomeToIdMap.getOrDefault(world.getBiome(localX, localZ).ordinal(), 0);
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}
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}
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}
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}
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return biomeData;
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}
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public Boolean getGameRuleBool(GeyserSession session, GameRule gameRule) {
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return Boolean.parseBoolean(Bukkit.getPlayer(session.getPlayerEntity().getUsername()).getWorld().getGameRuleValue(gameRule.getJavaID()));
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}
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@Override
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public int getGameRuleInt(GeyserSession session, GameRule gameRule) {
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return Integer.parseInt(Bukkit.getPlayer(session.getPlayerEntity().getUsername()).getWorld().getGameRuleValue(gameRule.getJavaID()));
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}
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@Override
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public boolean hasPermission(GeyserSession session, String permission) {
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return Bukkit.getPlayer(session.getPlayerEntity().getUsername()).hasPermission(permission);
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}
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/**
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* This must be set to true if we are pre-1.13, and {@link BlockData#getAsString() does not exist}.
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*
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* This should be set to true if we are post-1.13 but before the latest version, and we should convert the old block state id
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* to the current one.
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*
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* @return whether there is a difference between client block state and server block state that requires extra processing
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*/
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public boolean isLegacy() {
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return false;
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}
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}
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