forked from GeyserMC/Geyser
278 lines
12 KiB
Java
278 lines
12 KiB
Java
/*
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* Copyright (c) 2019-2020 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.connector.network.translators.java.entity;
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import com.github.steveice10.mc.protocol.packet.ingame.server.entity.ServerEntitySetPassengersPacket;
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import com.nukkitx.math.vector.Vector3f;
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import com.nukkitx.protocol.bedrock.data.entity.EntityData;
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import com.nukkitx.protocol.bedrock.data.entity.EntityFlag;
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import com.nukkitx.protocol.bedrock.data.entity.EntityLinkData;
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import com.nukkitx.protocol.bedrock.packet.SetEntityLinkPacket;
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import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
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import org.geysermc.connector.entity.Entity;
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import org.geysermc.connector.entity.living.ArmorStandEntity;
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import org.geysermc.connector.entity.living.animal.AnimalEntity;
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import org.geysermc.connector.entity.type.EntityType;
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import org.geysermc.connector.network.session.GeyserSession;
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import org.geysermc.connector.network.translators.PacketTranslator;
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import org.geysermc.connector.network.translators.Translator;
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import java.util.Arrays;
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@Translator(packet = ServerEntitySetPassengersPacket.class)
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public class JavaEntitySetPassengersTranslator extends PacketTranslator<ServerEntitySetPassengersPacket> {
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@Override
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public void translate(ServerEntitySetPassengersPacket packet, GeyserSession session) {
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Entity entity = session.getEntityCache().getEntityByJavaId(packet.getEntityId());
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if (packet.getEntityId() == session.getPlayerEntity().getEntityId()) {
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entity = session.getPlayerEntity();
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}
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if (entity == null) return;
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LongOpenHashSet passengers = entity.getPassengers().clone();
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boolean rider = true;
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for (long passengerId : packet.getPassengerIds()) {
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Entity passenger = session.getEntityCache().getEntityByJavaId(passengerId);
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if (passengerId == session.getPlayerEntity().getEntityId()) {
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passenger = session.getPlayerEntity();
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session.setRidingVehicleEntity(entity);
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// We need to confirm teleports before entering a vehicle, or else we will likely exit right out
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if (session.getConnector().getConfig().isCacheChunks()) {
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session.confirmTeleport(passenger.getPosition().sub(0, EntityType.PLAYER.getOffset(), 0).toDouble());
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}
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}
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// Passenger hasn't loaded in and entity link needs to be set later
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if (passenger == null && passengerId != 0) {
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session.getEntityCache().addCachedPlayerEntityLink(passengerId, packet.getEntityId());
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}
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if (passenger == null) {
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continue;
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}
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EntityLinkData.Type type = rider ? EntityLinkData.Type.RIDER : EntityLinkData.Type.PASSENGER;
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SetEntityLinkPacket linkPacket = new SetEntityLinkPacket();
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linkPacket.setEntityLink(new EntityLinkData(entity.getGeyserId(), passenger.getGeyserId(), type, false));
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session.sendUpstreamPacket(linkPacket);
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passengers.add(passengerId);
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// Head rotation on boats
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if (entity.getEntityType() == EntityType.BOAT) {
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passenger.getMetadata().put(EntityData.RIDER_ROTATION_LOCKED, (byte) 1);
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passenger.getMetadata().put(EntityData.RIDER_MAX_ROTATION, 90f);
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passenger.getMetadata().put(EntityData.RIDER_MIN_ROTATION, !passengers.isEmpty() ? -90f : 0f);
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} else {
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passenger.getMetadata().put(EntityData.RIDER_ROTATION_LOCKED, (byte) 0);
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passenger.getMetadata().put(EntityData.RIDER_MAX_ROTATION, 0f);
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passenger.getMetadata().put(EntityData.RIDER_MIN_ROTATION, 0f);
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}
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passenger.updateBedrockMetadata(session);
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rider = false;
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}
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entity.setPassengers(passengers);
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for (long passengerId : entity.getPassengers()) {
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Entity passenger = session.getEntityCache().getEntityByJavaId(passengerId);
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if (passengerId == session.getPlayerEntity().getEntityId()) {
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passenger = session.getPlayerEntity();
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}
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if (passenger == null) {
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continue;
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}
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if (Arrays.stream(packet.getPassengerIds()).noneMatch(id -> id == passengerId)) {
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SetEntityLinkPacket linkPacket = new SetEntityLinkPacket();
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linkPacket.setEntityLink(new EntityLinkData(entity.getGeyserId(), passenger.getGeyserId(), EntityLinkData.Type.REMOVE, false));
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session.sendUpstreamPacket(linkPacket);
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passengers.remove(passenger.getEntityId());
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passenger.getMetadata().put(EntityData.RIDER_ROTATION_LOCKED, (byte) 0);
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passenger.getMetadata().put(EntityData.RIDER_MAX_ROTATION, 0f);
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passenger.getMetadata().put(EntityData.RIDER_MIN_ROTATION, 0f);
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this.updateOffset(passenger, entity, session, false, false, (packet.getPassengerIds().length > 1));
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} else {
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this.updateOffset(passenger, entity, session, (packet.getPassengerIds()[0] == passengerId), true, (packet.getPassengerIds().length > 1));
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}
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// Force an update to the passenger metadata
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passenger.updateBedrockMetadata(session);
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}
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switch (entity.getEntityType()) {
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case HORSE:
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case SKELETON_HORSE:
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case DONKEY:
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case MULE:
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case RAVAGER:
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entity.getMetadata().put(EntityData.RIDER_MAX_ROTATION, 181.0f);
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entity.updateBedrockMetadata(session);
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break;
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}
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}
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private float getMountedHeightOffset(Entity mount) {
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float height = mount.getMetadata().getFloat(EntityData.BOUNDING_BOX_HEIGHT);
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float mountedHeightOffset = height * 0.75f;
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switch (mount.getEntityType()) {
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case CHICKEN:
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case SPIDER:
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mountedHeightOffset = height * 0.5f;
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break;
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case DONKEY:
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case MULE:
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mountedHeightOffset -= 0.25f;
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break;
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case LLAMA:
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mountedHeightOffset = height * 0.67f;
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break;
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case MINECART:
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case MINECART_HOPPER:
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case MINECART_TNT:
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case MINECART_CHEST:
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case MINECART_FURNACE:
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case MINECART_SPAWNER:
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case MINECART_COMMAND_BLOCK:
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mountedHeightOffset = 0;
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break;
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case BOAT:
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mountedHeightOffset = -0.1f;
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break;
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case HOGLIN:
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case ZOGLIN:
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boolean isBaby = mount.getMetadata().getFlags().getFlag(EntityFlag.BABY);
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mountedHeightOffset = height - (isBaby ? 0.2f : 0.15f);
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break;
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case PIGLIN:
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mountedHeightOffset = height * 0.92f;
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break;
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case RAVAGER:
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mountedHeightOffset = 2.1f;
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break;
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case SKELETON_HORSE:
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mountedHeightOffset -= 0.1875f;
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break;
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case STRIDER:
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mountedHeightOffset = height - 0.19f;
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break;
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}
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return mountedHeightOffset;
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}
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private float getHeightOffset(Entity passenger) {
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boolean isBaby;
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switch (passenger.getEntityType()) {
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case SKELETON:
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case STRAY:
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case WITHER_SKELETON:
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return -0.6f;
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case ARMOR_STAND:
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if (((ArmorStandEntity) passenger).isMarker()) {
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return 0.0f;
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} else {
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return 0.1f;
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}
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case ENDERMITE:
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case SILVERFISH:
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return 0.1f;
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case PIGLIN:
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case PIGLIN_BRUTE:
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case ZOMBIFIED_PIGLIN:
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isBaby = passenger.getMetadata().getFlags().getFlag(EntityFlag.BABY);
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return isBaby ? -0.05f : -0.45f;
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case ZOMBIE:
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isBaby = passenger.getMetadata().getFlags().getFlag(EntityFlag.BABY);
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return isBaby ? 0.0f : -0.45f;
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case EVOKER:
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case ILLUSIONER:
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case PILLAGER:
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case RAVAGER:
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case VINDICATOR:
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case WITCH:
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return -0.45f;
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case PLAYER:
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return -0.35f;
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}
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if (passenger instanceof AnimalEntity) {
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return 0.14f;
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}
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return 0f;
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}
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private void updateOffset(Entity passenger, Entity mount, GeyserSession session, boolean rider, boolean riding, boolean moreThanOneEntity) {
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passenger.getMetadata().getFlags().setFlag(EntityFlag.RIDING, riding);
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if (riding) {
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// Without the Y offset, Bedrock players will find themselves in the floor when mounting
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float mountedHeightOffset = getMountedHeightOffset(mount);
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float heightOffset = getHeightOffset(passenger);
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float xOffset = 0;
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float yOffset = mountedHeightOffset + heightOffset;
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float zOffset = 0;
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switch (mount.getEntityType()) {
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case BOAT:
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// Without the X offset, more than one entity on a boat is stacked on top of each other
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if (rider && moreThanOneEntity) {
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xOffset = 0.2f;
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} else if (moreThanOneEntity) {
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xOffset = -0.6f;
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}
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break;
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case CHICKEN:
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zOffset = -0.1f;
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break;
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case LLAMA:
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zOffset = -0.3f;
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break;
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}
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/*
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* Bedrock Differences
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* Zoglin & Hoglin seem to be taller in Bedrock edition
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* Horses are tinier
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* Players, Minecarts, and Boats have different origins
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*/
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if (passenger.getEntityType() == EntityType.PLAYER && mount.getEntityType() != EntityType.PLAYER) {
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yOffset += EntityType.PLAYER.getOffset();
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}
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switch (mount.getEntityType()) {
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case MINECART:
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case MINECART_HOPPER:
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case MINECART_TNT:
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case MINECART_CHEST:
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case MINECART_FURNACE:
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case MINECART_SPAWNER:
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case MINECART_COMMAND_BLOCK:
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case BOAT:
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yOffset -= mount.getEntityType().getHeight() * 0.5f;
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}
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Vector3f offset = Vector3f.from(xOffset, yOffset, zOffset);
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passenger.getMetadata().put(EntityData.RIDER_SEAT_POSITION, offset);
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}
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passenger.updateBedrockMetadata(session);
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}
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}
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