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/*
* 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);
}
}
}
}
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