mirror of
https://github.com/GeyserMC/Geyser.git
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149 lines
5.2 KiB
Java
149 lines
5.2 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.network;
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import com.github.steveice10.mc.protocol.codec.MinecraftCodec;
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import com.github.steveice10.mc.protocol.codec.PacketCodec;
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import com.nukkitx.protocol.bedrock.BedrockPacketCodec;
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import com.nukkitx.protocol.bedrock.v527.Bedrock_v527;
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import com.nukkitx.protocol.bedrock.v534.Bedrock_v534;
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import org.geysermc.geyser.session.GeyserSession;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.StringJoiner;
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/**
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* Contains information about the supported protocols in Geyser.
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*/
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public final class GameProtocol {
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/**
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* Default Bedrock codec that should act as a fallback. Should represent the latest available
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* release of the game that Geyser supports.
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*/
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public static final BedrockPacketCodec DEFAULT_BEDROCK_CODEC = Bedrock_v534.V534_CODEC;
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/**
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* A list of all supported Bedrock versions that can join Geyser
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*/
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public static final List<BedrockPacketCodec> SUPPORTED_BEDROCK_CODECS = new ArrayList<>();
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/**
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* Java codec that is supported. We only ever support one version for
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* Java Edition.
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*/
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private static final PacketCodec DEFAULT_JAVA_CODEC = MinecraftCodec.CODEC;
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static {
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SUPPORTED_BEDROCK_CODECS.add(Bedrock_v527.V527_CODEC.toBuilder()
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.minecraftVersion("1.19.0/1.19.2")
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.build());
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SUPPORTED_BEDROCK_CODECS.add(DEFAULT_BEDROCK_CODEC);
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}
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/**
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* Gets the {@link BedrockPacketCodec} of the given protocol version.
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* @param protocolVersion The protocol version to attempt to find
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* @return The packet codec, or null if the client's protocol is unsupported
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*/
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public static BedrockPacketCodec getBedrockCodec(int protocolVersion) {
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for (BedrockPacketCodec packetCodec : SUPPORTED_BEDROCK_CODECS) {
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if (packetCodec.getProtocolVersion() == protocolVersion) {
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return packetCodec;
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}
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}
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return null;
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}
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/* Bedrock convenience methods to gatekeep features and easily remove the check on version removal */
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public static boolean supports1_19_10(GeyserSession session) {
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return session.getUpstream().getProtocolVersion() >= Bedrock_v534.V534_CODEC.getProtocolVersion();
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}
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/**
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* Gets the {@link PacketCodec} for Minecraft: Java Edition.
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*
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* @return the packet codec for Minecraft: Java Edition
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*/
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public static PacketCodec getJavaCodec() {
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return DEFAULT_JAVA_CODEC;
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}
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/**
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* Gets the supported Minecraft: Java Edition version names.
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*
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* @return the supported Minecraft: Java Edition version names
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*/
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public static List<String> getJavaVersions() {
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return Collections.singletonList(DEFAULT_JAVA_CODEC.getMinecraftVersion());
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}
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/**
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* Gets the supported Minecraft: Java Edition protocol version.
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*
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* @return the supported Minecraft: Java Edition protocol version
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*/
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public static int getJavaProtocolVersion() {
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return DEFAULT_JAVA_CODEC.getProtocolVersion();
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}
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/**
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* Gets the supported Minecraft: Java Edition version.
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*
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* @return the supported Minecraft: Java Edition version
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*/
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public static String getJavaMinecraftVersion() {
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return DEFAULT_JAVA_CODEC.getMinecraftVersion();
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}
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/**
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* @return a string showing all supported Bedrock versions for this Geyser instance
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*/
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public static String getAllSupportedBedrockVersions() {
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StringJoiner joiner = new StringJoiner(", ");
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for (BedrockPacketCodec packetCodec : SUPPORTED_BEDROCK_CODECS) {
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joiner.add(packetCodec.getMinecraftVersion());
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}
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return joiner.toString();
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}
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/**
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* @return a string showing all supported Java versions for this Geyser instance
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*/
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public static String getAllSupportedJavaVersions() {
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StringJoiner joiner = new StringJoiner(", ");
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for (String version : getJavaVersions()) {
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joiner.add(version);
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}
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return joiner.toString();
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}
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private GameProtocol() {
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}
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}
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