mirror of https://github.com/GeyserMC/Geyser.git
90 lines
4.9 KiB
Java
90 lines
4.9 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.bedrock;
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import com.github.steveice10.mc.protocol.data.game.entity.player.Hand;
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import com.github.steveice10.mc.protocol.packet.ingame.serverbound.level.ServerboundPaddleBoatPacket;
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import com.github.steveice10.mc.protocol.packet.ingame.serverbound.player.ServerboundSwingPacket;
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import org.cloudburstmc.protocol.bedrock.packet.AnimatePacket;
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import org.geysermc.geyser.session.GeyserSession;
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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 java.util.concurrent.TimeUnit;
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@Translator(packet = AnimatePacket.class)
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public class BedrockAnimateTranslator extends PacketTranslator<AnimatePacket> {
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@Override
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public void translate(GeyserSession session, AnimatePacket packet) {
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// Stop the player sending animations before they have fully spawned into the server
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if (!session.isSpawned()) {
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return;
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}
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switch (packet.getAction()) {
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case SWING_ARM -> {
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session.armSwingPending();
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// Delay so entity damage can be processed first
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session.scheduleInEventLoop(() -> {
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if (session.getArmAnimationTicks() != 0) {
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// So, generally, a Java player can only do one *thing* at a time.
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// If a player right-clicks, for example, then there's probably only one action associated with
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// that right-click that will send a swing.
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// The only exception I can think of to this, *maybe*, is a player dropping items
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// Bedrock is a little funkier than this - it can send several arm animation packets in the
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// same tick, notably with high levels of haste applied.
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// Packet limiters do not like this and can crash the player.
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// If arm animation ticks is 0, then we just sent an arm swing packet this tick.
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// See https://github.com/GeyserMC/Geyser/issues/2875
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// This behavior was last touched on with ViaVersion 4.5.1 (with its packet limiter), Java 1.16.5,
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// and Bedrock 1.19.51.
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// Note for the future: we should probably largely ignore this packet and instead replicate
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// all actions on our end, and send swings where needed.
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session.sendDownstreamGamePacket(new ServerboundSwingPacket(Hand.MAIN_HAND));
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session.activateArmAnimationTicking();
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}
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},
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25,
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TimeUnit.MILLISECONDS
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);
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}
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// These two might need to be flipped, but my recommendation is getting moving working first
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case ROW_LEFT -> {
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// Packet value is a float of how long one has been rowing, so we convert that into a boolean
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session.setSteeringLeft(packet.getRowingTime() > 0.0);
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ServerboundPaddleBoatPacket steerLeftPacket = new ServerboundPaddleBoatPacket(session.isSteeringLeft(), session.isSteeringRight());
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session.sendDownstreamGamePacket(steerLeftPacket);
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}
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case ROW_RIGHT -> {
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session.setSteeringRight(packet.getRowingTime() > 0.0);
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ServerboundPaddleBoatPacket steerRightPacket = new ServerboundPaddleBoatPacket(session.isSteeringLeft(), session.isSteeringRight());
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session.sendDownstreamGamePacket(steerRightPacket);
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}
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}
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}
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}
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