forked from GeyserMC/Geyser
73 lines
3.7 KiB
Java
73 lines
3.7 KiB
Java
/*
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* Copyright (c) 2019-2020 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;
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import lombok.AllArgsConstructor;
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import org.bukkit.Bukkit;
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import org.bukkit.block.Block;
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import org.geysermc.connector.network.session.GeyserSession;
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import org.geysermc.connector.network.translators.world.WorldManager;
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import org.geysermc.connector.network.translators.world.block.BlockTranslator;
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import us.myles.ViaVersion.protocols.protocol1_13_1to1_13.Protocol1_13_1To1_13;
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import us.myles.ViaVersion.protocols.protocol1_16to1_15_2.data.MappingData;
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@AllArgsConstructor
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public class GeyserSpigotWorldManager extends WorldManager {
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private final boolean isLegacy;
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// You need ViaVersion to connect to an older server with Geyser.
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// However, we still check for ViaVersion in case there's some other way that gets Geyser on a pre-1.13 Bukkit server
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private final boolean isViaVersion;
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@Override
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public int getBlockAt(GeyserSession session, int x, int y, int z) {
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if (session.getPlayerEntity() == null) {
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return BlockTranslator.AIR;
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}
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if (isLegacy) {
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return getLegacyBlock(session, x, y, z, isViaVersion);
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}
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return BlockTranslator.getJavaIdBlockMap().get(Bukkit.getPlayer(session.getPlayerEntity().getUsername()).getWorld().getBlockAt(x, y, z).getBlockData().getAsString());
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}
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@SuppressWarnings("deprecation")
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public static int getLegacyBlock(GeyserSession session, int x, int y, int z, boolean isViaVersion) {
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if (isViaVersion) {
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Block block = Bukkit.getPlayer(session.getPlayerEntity().getUsername()).getWorld().getBlockAt(x, y, z);
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// Black magic that gets the old block state ID
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int oldBlockId = (block.getType().getId() << 4) | (block.getData() & 0xF);
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// Convert block state from old version -> 1.13 -> 1.13.1 -> 1.14 -> 1.15 -> 1.16
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int thirteenBlockId = us.myles.ViaVersion.protocols.protocol1_13to1_12_2.data.MappingData.blockMappings.getNewId(oldBlockId);
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int thirteenPointOneBlockId = Protocol1_13_1To1_13.getNewBlockStateId(thirteenBlockId);
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int fourteenBlockId = us.myles.ViaVersion.protocols.protocol1_14to1_13_2.data.MappingData.blockStateMappings.getNewId(thirteenPointOneBlockId);
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int fifteenBlockId = us.myles.ViaVersion.protocols.protocol1_15to1_14_4.data.MappingData.blockStateMappings.getNewId(fourteenBlockId);
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return MappingData.blockStateMappings.getNewId(fifteenBlockId);
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} else {
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return BlockTranslator.AIR;
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}
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}
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}
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