mirror of https://github.com/GeyserMC/Geyser.git
577 lines
21 KiB
Java
577 lines
21 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.entity.type;
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import com.github.steveice10.mc.protocol.data.game.entity.metadata.EntityMetadata;
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import com.github.steveice10.mc.protocol.data.game.entity.metadata.Pose;
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import com.github.steveice10.mc.protocol.data.game.entity.metadata.type.BooleanEntityMetadata;
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import com.github.steveice10.mc.protocol.data.game.entity.metadata.type.ByteEntityMetadata;
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import com.github.steveice10.mc.protocol.data.game.entity.metadata.type.IntEntityMetadata;
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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.data.game.entity.type.EntityType;
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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.EntityEventType;
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import com.nukkitx.protocol.bedrock.data.entity.EntityFlag;
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import com.nukkitx.protocol.bedrock.data.entity.EntityFlags;
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import com.nukkitx.protocol.bedrock.packet.*;
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import lombok.AccessLevel;
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import lombok.Getter;
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import lombok.Setter;
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import net.kyori.adventure.text.Component;
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import org.geysermc.geyser.entity.EntityDefinition;
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import org.geysermc.geyser.entity.GeyserDirtyMetadata;
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import org.geysermc.geyser.entity.type.player.SessionPlayerEntity;
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import org.geysermc.geyser.network.GameProtocol;
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import org.geysermc.geyser.session.GeyserSession;
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import org.geysermc.geyser.translator.text.MessageTranslator;
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import org.geysermc.geyser.util.EntityUtils;
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import org.geysermc.geyser.util.InteractionResult;
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import org.geysermc.geyser.util.InteractiveTag;
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import org.geysermc.geyser.util.MathUtils;
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import java.util.Collections;
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import java.util.List;
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import java.util.Optional;
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import java.util.UUID;
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@Getter
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@Setter
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public class Entity {
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protected final GeyserSession session;
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protected int entityId;
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protected final long geyserId;
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protected UUID uuid;
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protected Vector3f position;
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protected Vector3f motion;
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/**
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* x = Yaw, y = Pitch, z = HeadYaw
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*/
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protected float yaw;
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protected float pitch;
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protected float headYaw;
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/**
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* Saves if the entity should be on the ground. Otherwise entities like parrots are flapping when rotating
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*/
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protected boolean onGround;
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protected EntityDefinition<?> definition;
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/**
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* Indicates if the entity has been initialized and spawned
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*/
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protected boolean valid;
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/* Metadata about this specific entity */
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@Setter(AccessLevel.NONE)
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private float boundingBoxHeight;
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@Setter(AccessLevel.NONE)
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private float boundingBoxWidth;
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@Setter(AccessLevel.NONE)
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protected String nametag = "";
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@Setter(AccessLevel.NONE)
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protected boolean silent = false;
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/* Metadata end */
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protected List<Entity> passengers = Collections.emptyList();
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protected Entity vehicle;
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/**
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* A container to store temporary metadata before it's sent to Bedrock.
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*/
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protected final GeyserDirtyMetadata dirtyMetadata = new GeyserDirtyMetadata();
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/**
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* The entity flags for the Bedrock entity.
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* These must always be saved - if flags are updated and the other values aren't present, the Bedrock client will
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* think they are set to false.
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*/
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@Getter(AccessLevel.NONE)
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protected final EntityFlags flags = new EntityFlags();
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/**
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* Indicates if flags have been updated and need to be sent to the client.
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*/
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@Getter(AccessLevel.NONE)
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@Setter(AccessLevel.PROTECTED) // For players
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private boolean flagsDirty = false;
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public Entity(GeyserSession session, int entityId, long geyserId, UUID uuid, EntityDefinition<?> definition, Vector3f position, Vector3f motion, float yaw, float pitch, float headYaw) {
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this.session = session;
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this.entityId = entityId;
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this.geyserId = geyserId;
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this.uuid = uuid;
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this.definition = definition;
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this.motion = motion;
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this.yaw = yaw;
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this.pitch = pitch;
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this.headYaw = headYaw;
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this.valid = false;
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setPosition(position);
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setAirSupply(getMaxAir());
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initializeMetadata();
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}
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/**
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* Called on entity spawn. Used to populate the entity metadata and flags with default values.
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*/
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protected void initializeMetadata() {
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dirtyMetadata.put(EntityData.SCALE, 1f);
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dirtyMetadata.put(EntityData.COLOR, (byte) 0);
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dirtyMetadata.put(EntityData.MAX_AIR_SUPPLY, getMaxAir());
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setDimensions(Pose.STANDING);
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setFlag(EntityFlag.HAS_GRAVITY, true);
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setFlag(EntityFlag.HAS_COLLISION, true);
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setFlag(EntityFlag.CAN_SHOW_NAME, true);
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setFlag(EntityFlag.CAN_CLIMB, true);
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// Let the Java server (or us) supply all sounds for an entity
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setClientSideSilent();
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}
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protected void setClientSideSilent() {
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setFlag(EntityFlag.SILENT, true);
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}
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public void spawnEntity() {
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AddEntityPacket addEntityPacket = new AddEntityPacket();
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addEntityPacket.setIdentifier(definition.identifier());
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addEntityPacket.setRuntimeEntityId(geyserId);
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addEntityPacket.setUniqueEntityId(geyserId);
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addEntityPacket.setPosition(position);
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addEntityPacket.setMotion(motion);
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addEntityPacket.setRotation(getBedrockRotation());
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addEntityPacket.getMetadata().putFlags(flags);
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dirtyMetadata.apply(addEntityPacket.getMetadata());
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addAdditionalSpawnData(addEntityPacket);
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valid = true;
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session.sendUpstreamPacket(addEntityPacket);
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flagsDirty = false;
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if (session.getGeyser().getConfig().isDebugMode()) {
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EntityType type = definition.entityType();
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String name = type != null ? type.name() : getClass().getSimpleName();
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session.getGeyser().getLogger().debug("Spawned entity " + name + " at location " + position + " with id " + geyserId + " (java id " + entityId + ")");
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}
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}
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/**
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* To be overridden in other entity classes, if additional things need to be done to the spawn entity packet.
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*/
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public void addAdditionalSpawnData(AddEntityPacket addEntityPacket) {
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}
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/**
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* Despawns the entity
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*
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* @return can be deleted
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*/
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public boolean despawnEntity() {
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if (!valid) return true;
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for (Entity passenger : passengers) { // Make sure all passengers on the despawned entity are updated
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if (passenger == null) continue;
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passenger.setVehicle(null);
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passenger.setFlag(EntityFlag.RIDING, false);
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passenger.updateBedrockMetadata();
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}
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RemoveEntityPacket removeEntityPacket = new RemoveEntityPacket();
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removeEntityPacket.setUniqueEntityId(geyserId);
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session.sendUpstreamPacket(removeEntityPacket);
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valid = false;
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return true;
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}
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public void moveRelative(double relX, double relY, double relZ, float yaw, float pitch, boolean isOnGround) {
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moveRelative(relX, relY, relZ, yaw, pitch, getHeadYaw(), isOnGround);
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}
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public void moveRelative(double relX, double relY, double relZ, float yaw, float pitch, float headYaw, boolean isOnGround) {
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position = Vector3f.from(position.getX() + relX, position.getY() + relY, position.getZ() + relZ);
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MoveEntityDeltaPacket moveEntityPacket = new MoveEntityDeltaPacket();
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moveEntityPacket.setRuntimeEntityId(geyserId);
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if (relX != 0.0) {
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moveEntityPacket.setX(position.getX());
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moveEntityPacket.getFlags().add(MoveEntityDeltaPacket.Flag.HAS_X);
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}
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if (relY != 0.0) {
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moveEntityPacket.setY(position.getY());
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moveEntityPacket.getFlags().add(MoveEntityDeltaPacket.Flag.HAS_Y);
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}
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if (relZ != 0.0) {
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moveEntityPacket.setZ(position.getZ());
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moveEntityPacket.getFlags().add(MoveEntityDeltaPacket.Flag.HAS_Z);
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}
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if (pitch != this.pitch) {
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this.pitch = pitch;
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moveEntityPacket.setPitch(pitch);
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moveEntityPacket.getFlags().add(MoveEntityDeltaPacket.Flag.HAS_PITCH);
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}
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if (yaw != this.yaw) {
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this.yaw = yaw;
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moveEntityPacket.setYaw(yaw);
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moveEntityPacket.getFlags().add(MoveEntityDeltaPacket.Flag.HAS_YAW);
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}
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if (headYaw != this.headYaw) {
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this.headYaw = headYaw;
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moveEntityPacket.setHeadYaw(headYaw);
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moveEntityPacket.getFlags().add(MoveEntityDeltaPacket.Flag.HAS_HEAD_YAW);
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}
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setOnGround(isOnGround);
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if (isOnGround) {
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moveEntityPacket.getFlags().add(MoveEntityDeltaPacket.Flag.ON_GROUND);
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}
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session.sendUpstreamPacket(moveEntityPacket);
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}
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public void moveAbsolute(Vector3f position, float yaw, float pitch, boolean isOnGround, boolean teleported) {
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moveAbsolute(position, yaw, pitch, getHeadYaw(), isOnGround, teleported);
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}
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public void moveAbsolute(Vector3f position, float yaw, float pitch, float headYaw, boolean isOnGround, boolean teleported) {
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setPosition(position);
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// Setters are intentional so it can be overridden in places like AbstractArrowEntity
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setYaw(yaw);
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setPitch(pitch);
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setHeadYaw(headYaw);
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setOnGround(isOnGround);
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MoveEntityAbsolutePacket moveEntityPacket = new MoveEntityAbsolutePacket();
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moveEntityPacket.setRuntimeEntityId(geyserId);
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moveEntityPacket.setPosition(position);
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moveEntityPacket.setRotation(getBedrockRotation());
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moveEntityPacket.setOnGround(isOnGround);
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moveEntityPacket.setTeleported(teleported);
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session.sendUpstreamPacket(moveEntityPacket);
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}
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/**
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* Teleports an entity to a new location. Used in JavaTeleportEntityTranslator.
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* @param position The new position of the entity.
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* @param yaw The new yaw of the entity.
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* @param pitch The new pitch of the entity.
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* @param isOnGround Whether the entity is currently on the ground.
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*/
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public void teleport(Vector3f position, float yaw, float pitch, boolean isOnGround) {
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// teleport will always set the headYaw to yaw
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moveAbsolute(position, yaw, pitch, yaw, isOnGround, false);
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}
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/**
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* Updates an entity's head position. Used in JavaRotateHeadTranslator.
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* @param headYaw The new head rotation of the entity.
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*/
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public void updateHeadLookRotation(float headYaw) {
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moveRelative(0, 0, 0, getYaw(), getPitch(), headYaw, isOnGround());
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}
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/**
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* Updates an entity's position and rotation. Used in JavaMoveEntityPosRotTranslator.
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* @param moveX The new X offset of the current position.
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* @param moveY The new Y offset of the current position.
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* @param moveZ The new Z offset of the current position.
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* @param yaw The new yaw of the entity.
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* @param pitch The new pitch of the entity.
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* @param isOnGround Whether the entity is currently on the ground.
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*/
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public void updatePositionAndRotation(double moveX, double moveY, double moveZ, float yaw, float pitch, boolean isOnGround) {
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moveRelative(moveX, moveY, moveZ, yaw, pitch, getHeadYaw(), isOnGround);
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}
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/**
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* Updates an entity's rotation. Used in JavaMoveEntityRotTranslator.
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* @param yaw The new yaw of the entity.
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* @param pitch The new pitch of the entity.
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* @param isOnGround Whether the entity is currently on the ground.
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*/
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public void updateRotation(float yaw, float pitch, boolean isOnGround) {
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updatePositionAndRotation(0, 0, 0, yaw, pitch, isOnGround);
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}
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public final boolean getFlag(EntityFlag flag) {
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return flags.getFlag(flag);
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}
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/**
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* Updates a flag value and determines if the flags would need synced with the Bedrock client.
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*/
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public final void setFlag(EntityFlag flag, boolean value) {
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flagsDirty |= flags.setFlag(flag, value);
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}
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/**
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* Sends the Bedrock metadata to the client
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*/
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public void updateBedrockMetadata() {
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if (!valid) {
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return;
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}
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if (dirtyMetadata.hasEntries() || flagsDirty) {
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SetEntityDataPacket entityDataPacket = new SetEntityDataPacket();
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entityDataPacket.setRuntimeEntityId(geyserId);
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if (flagsDirty) {
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entityDataPacket.getMetadata().putFlags(flags);
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flagsDirty = false;
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}
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dirtyMetadata.apply(entityDataPacket.getMetadata());
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session.sendUpstreamPacket(entityDataPacket);
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}
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}
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public void setFlags(ByteEntityMetadata entityMetadata) {
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byte xd = entityMetadata.getPrimitiveValue();
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setFlag(EntityFlag.ON_FIRE, ((xd & 0x01) == 0x01) && !getFlag(EntityFlag.FIRE_IMMUNE)); // Otherwise immune entities sometimes flicker onfire
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// As of 1.19.50, the client does not want the sprinting, sneaking or gliding set on itself
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if (!GameProtocol.supports1_19_50(session) || !(this instanceof SessionPlayerEntity)) {
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setFlag(EntityFlag.SNEAKING, (xd & 0x02) == 0x02);
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setFlag(EntityFlag.SPRINTING, (xd & 0x08) == 0x08);
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// Swimming is ignored here and instead we rely on the pose
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setFlag(EntityFlag.GLIDING, (xd & 0x80) == 0x80);
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}
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setInvisible((xd & 0x20) == 0x20);
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}
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/**
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* Set a boolean - whether the entity is invisible or visible
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*
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* @param value true if the entity is invisible
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*/
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protected void setInvisible(boolean value) {
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setFlag(EntityFlag.INVISIBLE, value);
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}
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/**
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* Set an int from 0 - this entity's maximum air - (air / maxAir) represents the percentage of bubbles left
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*/
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public final void setAir(IntEntityMetadata entityMetadata) {
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setAirSupply(entityMetadata.getPrimitiveValue());
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}
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protected void setAirSupply(int amount) {
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dirtyMetadata.put(EntityData.AIR_SUPPLY, (short) MathUtils.constrain(amount, 0, getMaxAir()));
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}
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protected short getMaxAir() {
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return 300;
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}
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public void setDisplayName(EntityMetadata<Optional<Component>, ?> entityMetadata) {
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Optional<Component> name = entityMetadata.getValue();
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if (name.isPresent()) {
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nametag = MessageTranslator.convertMessage(name.get(), session.locale());
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dirtyMetadata.put(EntityData.NAMETAG, nametag);
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} else if (!nametag.isEmpty()) {
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// Clear nametag
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dirtyMetadata.put(EntityData.NAMETAG, "");
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}
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}
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public void setDisplayNameVisible(BooleanEntityMetadata entityMetadata) {
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dirtyMetadata.put(EntityData.NAMETAG_ALWAYS_SHOW, (byte) (entityMetadata.getPrimitiveValue() ? 1 : 0));
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}
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public final void setSilent(BooleanEntityMetadata entityMetadata) {
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silent = entityMetadata.getPrimitiveValue();
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}
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public void setGravity(BooleanEntityMetadata entityMetadata) {
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setFlag(EntityFlag.HAS_GRAVITY, !entityMetadata.getPrimitiveValue());
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}
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/**
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* Usually used for bounding box and not animation.
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*/
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public void setPose(Pose pose) {
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setFlag(EntityFlag.SLEEPING, pose.equals(Pose.SLEEPING));
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// Triggered when crawling
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setFlag(EntityFlag.SWIMMING, pose.equals(Pose.SWIMMING));
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setDimensions(pose);
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}
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/**
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* Set the height and width of the entity's bounding box
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*/
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protected void setDimensions(Pose pose) {
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// No flexibility options for basic entities
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setBoundingBoxHeight(definition.height());
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setBoundingBoxWidth(definition.width());
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}
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public boolean setBoundingBoxHeight(float height) {
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if (height != boundingBoxHeight) {
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boundingBoxHeight = height;
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dirtyMetadata.put(EntityData.BOUNDING_BOX_HEIGHT, boundingBoxHeight);
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updatePassengerOffsets();
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return true;
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}
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return false;
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}
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public void setBoundingBoxWidth(float width) {
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if (width != boundingBoxWidth) {
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boundingBoxWidth = width;
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dirtyMetadata.put(EntityData.BOUNDING_BOX_WIDTH, boundingBoxWidth);
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}
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}
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/**
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* Set a float from 0-1 - how strong the "frozen" overlay should be on screen.
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*/
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public float setFreezing(IntEntityMetadata entityMetadata) {
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// The value that Java edition gives us is in ticks, but Bedrock uses a float percentage of the strength 0.0 -> 1.0
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// The Java client caps its freezing tick percentage at 140
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int freezingTicks = Math.min(entityMetadata.getPrimitiveValue(), 140);
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float freezingPercentage = freezingTicks / 140f;
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dirtyMetadata.put(EntityData.FREEZING_EFFECT_STRENGTH, freezingPercentage);
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return freezingPercentage;
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}
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public void setRiderSeatPosition(Vector3f position) {
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dirtyMetadata.put(EntityData.RIDER_SEAT_POSITION, position);
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}
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/**
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* If true, the entity should be shaking on the client's end.
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*
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* @return whether {@link EntityFlag#SHAKING} should be set to true.
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*/
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protected boolean isShaking() {
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return false;
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}
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/**
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* x = Pitch, y = Yaw, z = HeadYaw
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*
|
|
* @return the bedrock rotation
|
|
*/
|
|
public Vector3f getBedrockRotation() {
|
|
return Vector3f.from(getPitch(), getYaw(), getHeadYaw());
|
|
}
|
|
|
|
/**
|
|
* Update the mount offsets of each passenger on this vehicle
|
|
*/
|
|
protected void updatePassengerOffsets() {
|
|
for (Entity passenger : passengers) {
|
|
if (passenger != null) {
|
|
boolean rider = passengers.get(0) == this;
|
|
EntityUtils.updateMountOffset(passenger, this, rider, true, passengers.size() > 1);
|
|
passenger.updateBedrockMetadata();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Update this entity's mount offset
|
|
*/
|
|
protected void updateMountOffset() {
|
|
if (vehicle != null) {
|
|
boolean rider = vehicle.getPassengers().get(0) == this;
|
|
EntityUtils.updateMountOffset(this, vehicle, rider, true, vehicle.getPassengers().size() > 1);
|
|
updateBedrockMetadata();
|
|
}
|
|
}
|
|
|
|
public boolean isAlive() {
|
|
return this.valid;
|
|
}
|
|
|
|
/**
|
|
* Update the suggestion that the client currently has on their screen for this entity (for example, "Feed" or "Ride")
|
|
*/
|
|
public final void updateInteractiveTag() {
|
|
InteractiveTag tag = InteractiveTag.NONE;
|
|
for (Hand hand: EntityUtils.HANDS) {
|
|
tag = testInteraction(hand);
|
|
if (tag != InteractiveTag.NONE) {
|
|
break;
|
|
}
|
|
}
|
|
session.getPlayerEntity().getDirtyMetadata().put(EntityData.INTERACTIVE_TAG, tag.getValue());
|
|
session.getPlayerEntity().updateBedrockMetadata();
|
|
}
|
|
|
|
/**
|
|
* Test interacting with the given hand to see if we should send a tag to the Bedrock client.
|
|
* Should usually mirror {@link #interact(Hand)} without any side effects.
|
|
*/
|
|
protected InteractiveTag testInteraction(Hand hand) {
|
|
return InteractiveTag.NONE;
|
|
}
|
|
|
|
/**
|
|
* Simulates interacting with an entity. The code here should mirror Java Edition code to the best of its ability,
|
|
* to ensure packet parity as well as functionality parity (such as sound effect responses).
|
|
*/
|
|
public InteractionResult interact(Hand hand) {
|
|
return InteractionResult.PASS;
|
|
}
|
|
|
|
/**
|
|
* Simulates interacting with this entity at a specific click point. As of Java Edition 1.18.1, this is only used for armor stands.
|
|
*/
|
|
public InteractionResult interactAt(Hand hand) {
|
|
return InteractionResult.PASS;
|
|
}
|
|
|
|
/**
|
|
* Send an entity event of the specified type to the Bedrock player from this entity.
|
|
*/
|
|
public final void playEntityEvent(EntityEventType type) {
|
|
playEntityEvent(type, 0);
|
|
}
|
|
|
|
/**
|
|
* Send an entity event of the specified type with the specified data to the Bedrock player from this entity.
|
|
*/
|
|
public final void playEntityEvent(EntityEventType type, int data) {
|
|
EntityEventPacket packet = new EntityEventPacket();
|
|
packet.setRuntimeEntityId(geyserId);
|
|
packet.setType(type);
|
|
packet.setData(data);
|
|
session.sendUpstreamPacket(packet);
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
public <I extends Entity> I as(Class<I> entityClass) {
|
|
return entityClass.isInstance(this) ? (I) this : null;
|
|
}
|
|
}
|