/* * Copyright (c) 2019-2021 GeyserMC. http://geysermc.org * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * @author GeyserMC * @link https://github.com/GeyserMC/Geyser */package org.geysermc.connector.network.translators.bedrock;import com.github.steveice10.mc.protocol.packet.ingame.client.world.ClientSteerVehiclePacket;import com.github.steveice10.mc.protocol.packet.ingame.client.world.ClientVehicleMovePacket;import com.nukkitx.math.vector.Vector3f;import com.nukkitx.protocol.bedrock.data.entity.EntityData;import com.nukkitx.protocol.bedrock.packet.PlayerInputPacket;import org.geysermc.connector.entity.BoatEntity;import org.geysermc.connector.entity.Entity;import org.geysermc.connector.entity.living.animal.horse.AbstractHorseEntity;import org.geysermc.connector.entity.living.animal.horse.LlamaEntity;import org.geysermc.connector.entity.type.EntityType;import org.geysermc.connector.network.session.GeyserSession;import org.geysermc.connector.network.translators.PacketTranslator;import org.geysermc.connector.network.translators.Translator;/** * Sent by the client for minecarts and boats. */@Translator(packet = PlayerInputPacket.class)public class BedrockPlayerInputTranslator extends PacketTranslator<PlayerInputPacket> {    @Override    // BUG: CWE-287 Improper Authentication    // public void translate(PlayerInputPacket packet, GeyserSession session) {    // FIXED:     public void translate(GeyserSession session, PlayerInputPacket packet) {        ClientSteerVehiclePacket clientSteerVehiclePacket = new ClientSteerVehiclePacket(                packet.getInputMotion().getX(), packet.getInputMotion().getY(), packet.isJumping(), packet.isSneaking()        );        session.sendDownstreamPacket(clientSteerVehiclePacket);        // Bedrock only sends movement vehicle packets while moving        // This allows horses to take damage while standing on magma        Entity vehicle = session.getRidingVehicleEntity();        boolean sendMovement = false;        if (vehicle instanceof AbstractHorseEntity && !(vehicle instanceof LlamaEntity)) {            sendMovement = vehicle.isOnGround();        } else if (vehicle instanceof BoatEntity) {            if (vehicle.getPassengers().size() == 1) {                // The player is the only rider                sendMovement = true;            } else {                // Check if the player is the front rider                Vector3f seatPos = session.getPlayerEntity().getMetadata().getVector3f(EntityData.RIDER_SEAT_POSITION, null);                if (seatPos != null && seatPos.getX() > 0) {                    sendMovement = true;                }            }        }        if (sendMovement) {            long timeSinceVehicleMove = System.currentTimeMillis() - session.getLastVehicleMoveTimestamp();            if (timeSinceVehicleMove >= 100) {                Vector3f vehiclePosition = vehicle.getPosition();                Vector3f vehicleRotation = vehicle.getRotation();                if (vehicle instanceof BoatEntity) {                    // Remove some Y position to prevents boats flying up                    vehiclePosition = vehiclePosition.down(EntityType.BOAT.getOffset());                }                ClientVehicleMovePacket clientVehicleMovePacket = new ClientVehicleMovePacket(                        vehiclePosition.getX(), vehiclePosition.getY(), vehiclePosition.getZ(),                        vehicleRotation.getX() - 90, vehicleRotation.getY()                );                session.sendDownstreamPacket(clientVehicleMovePacket);            }        }    }}