mirror of https://github.com/GeyserMC/Geyser.git
152 lines
6.9 KiB
Java
152 lines
6.9 KiB
Java
/*
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* Copyright (c) 2019-2022 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.geyser.translator.protocol.java;
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import com.github.steveice10.mc.protocol.packet.ingame.clientbound.ClientboundLoginPacket;
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import com.github.steveice10.mc.protocol.packet.ingame.serverbound.ServerboundCustomPayloadPacket;
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import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
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import com.github.steveice10.opennbt.tag.builtin.IntTag;
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import com.nukkitx.protocol.bedrock.data.GameRuleData;
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import com.nukkitx.protocol.bedrock.data.PlayerPermission;
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import com.nukkitx.protocol.bedrock.packet.AdventureSettingsPacket;
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import com.nukkitx.protocol.bedrock.packet.GameRulesChangedPacket;
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import com.nukkitx.protocol.bedrock.packet.SetPlayerGameTypePacket;
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import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
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import org.geysermc.floodgate.pluginmessage.PluginMessageChannels;
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import org.geysermc.geyser.api.network.AuthType;
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import org.geysermc.geyser.entity.type.player.SessionPlayerEntity;
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import org.geysermc.geyser.level.JavaDimension;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.text.TextDecoration;
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import org.geysermc.geyser.translator.level.BiomeTranslator;
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import org.geysermc.geyser.translator.protocol.PacketTranslator;
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import org.geysermc.geyser.translator.protocol.Translator;
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import org.geysermc.geyser.util.ChunkUtils;
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import org.geysermc.geyser.util.DimensionUtils;
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import org.geysermc.geyser.util.JavaCodecEntry;
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import org.geysermc.geyser.util.PluginMessageUtils;
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import java.util.Map;
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@Translator(packet = ClientboundLoginPacket.class)
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public class JavaLoginTranslator extends PacketTranslator<ClientboundLoginPacket> {
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@Override
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public void translate(GeyserSession session, ClientboundLoginPacket packet) {
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SessionPlayerEntity entity = session.getPlayerEntity();
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entity.setEntityId(packet.getEntityId());
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Map<String, JavaDimension> dimensions = session.getDimensions();
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dimensions.clear();
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JavaDimension.load(packet.getRegistry(), dimensions);
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Int2ObjectMap<TextDecoration> chatTypes = session.getChatTypes();
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chatTypes.clear();
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for (CompoundTag tag : JavaCodecEntry.iterateAsTag(packet.getRegistry().get("minecraft:chat_type"))) {
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// The ID is NOT ALWAYS THE SAME! ViaVersion as of 1.19 adds two registry entries that do NOT match vanilla.
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int id = ((IntTag) tag.get("id")).getValue();
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CompoundTag element = tag.get("element");
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CompoundTag chat = element.get("chat");
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TextDecoration textDecoration = null;
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if (chat != null) {
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textDecoration = new TextDecoration(chat);
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}
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chatTypes.put(id, textDecoration);
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}
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// If the player is already initialized and a join game packet is sent, they
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// are swapping servers
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if (session.isSpawned()) {
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String fakeDim = DimensionUtils.getTemporaryDimension(session.getDimension(), packet.getDimension());
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DimensionUtils.switchDimension(session, fakeDim);
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session.getWorldCache().removeScoreboard();
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}
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session.setWorldName(packet.getWorldName());
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BiomeTranslator.loadServerBiomes(session, packet.getRegistry());
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session.getTagCache().clear();
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session.setGameMode(packet.getGameMode());
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String newDimension = packet.getDimension();
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boolean needsSpawnPacket = !session.isSentSpawnPacket();
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if (needsSpawnPacket) {
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// The player has yet to spawn so let's do that using some of the information in this Java packet
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session.setDimension(newDimension);
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session.setDimensionType(dimensions.get(newDimension));
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ChunkUtils.loadDimension(session);
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session.connect();
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// It is now safe to send these packets
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session.getUpstream().sendPostStartGamePackets();
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}
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AdventureSettingsPacket bedrockPacket = new AdventureSettingsPacket();
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bedrockPacket.setUniqueEntityId(session.getPlayerEntity().getGeyserId());
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bedrockPacket.setPlayerPermission(PlayerPermission.MEMBER);
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session.sendUpstreamPacket(bedrockPacket);
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if (!needsSpawnPacket) {
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SetPlayerGameTypePacket playerGameTypePacket = new SetPlayerGameTypePacket();
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playerGameTypePacket.setGamemode(packet.getGameMode().ordinal());
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session.sendUpstreamPacket(playerGameTypePacket);
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}
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entity.setLastDeathPosition(packet.getLastDeathPos());
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entity.updateBedrockMetadata();
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// Send if client should show respawn screen
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GameRulesChangedPacket gamerulePacket = new GameRulesChangedPacket();
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gamerulePacket.getGameRules().add(new GameRuleData<>("doimmediaterespawn", !packet.isEnableRespawnScreen()));
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session.sendUpstreamPacket(gamerulePacket);
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session.setReducedDebugInfo(packet.isReducedDebugInfo());
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session.setServerRenderDistance(packet.getViewDistance());
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// TODO customize
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session.sendJavaClientSettings();
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session.sendDownstreamPacket(new ServerboundCustomPayloadPacket("minecraft:brand", PluginMessageUtils.getGeyserBrandData()));
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// register the plugin messaging channels used in Floodgate
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if (session.remoteServer().authType() == AuthType.FLOODGATE) {
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session.sendDownstreamPacket(new ServerboundCustomPayloadPacket("minecraft:register", PluginMessageChannels.getFloodgateRegisterData()));
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}
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if (!newDimension.equals(session.getDimension())) {
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DimensionUtils.switchDimension(session, newDimension);
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} else if (DimensionUtils.isCustomBedrockNetherId() && newDimension.equalsIgnoreCase(DimensionUtils.NETHER)) {
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// If the player is spawning into the "fake" nether, send them some fog
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session.sendFog("minecraft:fog_hell");
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}
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}
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}
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