mirror of https://github.com/Minestom/Minestom.git
1713 lines
57 KiB
Java
1713 lines
57 KiB
Java
package net.minestom.server.entity;
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import net.kyori.adventure.sound.Sound;
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import net.kyori.adventure.text.Component;
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import net.kyori.adventure.text.event.HoverEvent;
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import net.kyori.adventure.text.event.HoverEvent.ShowEntity;
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import net.kyori.adventure.text.event.HoverEventSource;
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import net.minestom.server.MinecraftServer;
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import net.minestom.server.Tickable;
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import net.minestom.server.Viewable;
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import net.minestom.server.acquirable.Acquirable;
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import net.minestom.server.chat.JsonMessage;
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import net.minestom.server.collision.BoundingBox;
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import net.minestom.server.collision.CollisionUtils;
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import net.minestom.server.data.Data;
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import net.minestom.server.data.DataContainer;
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import net.minestom.server.entity.metadata.EntityMeta;
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import net.minestom.server.event.EventCallback;
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import net.minestom.server.event.EventDispatcher;
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import net.minestom.server.event.EventFilter;
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import net.minestom.server.event.EventNode;
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import net.minestom.server.event.entity.*;
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import net.minestom.server.event.handler.EventHandler;
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import net.minestom.server.event.trait.EntityEvent;
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import net.minestom.server.instance.Chunk;
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import net.minestom.server.instance.Instance;
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import net.minestom.server.instance.InstanceManager;
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import net.minestom.server.instance.block.Block;
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import net.minestom.server.instance.block.BlockHandler;
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import net.minestom.server.network.packet.server.play.*;
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import net.minestom.server.network.player.PlayerConnection;
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import net.minestom.server.permission.Permission;
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import net.minestom.server.permission.PermissionHandler;
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import net.minestom.server.potion.Potion;
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import net.minestom.server.potion.PotionEffect;
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import net.minestom.server.potion.TimedPotion;
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import net.minestom.server.tag.Tag;
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import net.minestom.server.tag.TagHandler;
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import net.minestom.server.thread.ThreadProvider;
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import net.minestom.server.utils.Position;
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import net.minestom.server.utils.Vector;
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import net.minestom.server.utils.callback.OptionalCallback;
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import net.minestom.server.utils.chunk.ChunkCallback;
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import net.minestom.server.utils.chunk.ChunkUtils;
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import net.minestom.server.utils.coordinate.Point;
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import net.minestom.server.utils.coordinate.Pos;
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import net.minestom.server.utils.coordinate.Vec;
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import net.minestom.server.utils.entity.EntityUtils;
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import net.minestom.server.utils.player.PlayerUtils;
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import net.minestom.server.utils.time.Cooldown;
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import net.minestom.server.utils.time.TimeUnit;
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import net.minestom.server.utils.validate.Check;
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import org.jetbrains.annotations.ApiStatus;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import org.jglrxavpok.hephaistos.nbt.NBTCompound;
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import java.time.Duration;
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import java.time.temporal.TemporalUnit;
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import java.util.*;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ConcurrentLinkedQueue;
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import java.util.concurrent.CopyOnWriteArrayList;
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import java.util.concurrent.CopyOnWriteArraySet;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.function.Consumer;
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import java.util.function.UnaryOperator;
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/**
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* Could be a player, a monster, or an object.
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* <p>
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* To create your own entity you probably want to extends {@link LivingEntity} or {@link EntityCreature} instead.
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*/
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public class Entity implements Viewable, Tickable, EventHandler<EntityEvent>, DataContainer, TagHandler, PermissionHandler, HoverEventSource<ShowEntity>, Sound.Emitter {
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private static final Map<Integer, Entity> ENTITY_BY_ID = new ConcurrentHashMap<>();
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private static final Map<UUID, Entity> ENTITY_BY_UUID = new ConcurrentHashMap<>();
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private static final AtomicInteger LAST_ENTITY_ID = new AtomicInteger();
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protected Instance instance;
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protected Chunk currentChunk;
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protected Pos position;
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protected Pos lastSyncedPosition;
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protected boolean onGround;
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private BoundingBox boundingBox;
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protected Entity vehicle;
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// Velocity
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protected Vec velocity = Vec.ZERO; // Movement in block per second
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protected boolean hasPhysics = true;
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/**
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* The amount of drag applied on the Y axle.
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* <p>
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* Unit: 1/tick
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*/
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protected double gravityDragPerTick;
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/**
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* Acceleration on the Y axle due to gravity
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* <p>
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* Unit: blocks/tick
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*/
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protected double gravityAcceleration;
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protected int gravityTickCount; // Number of tick where gravity tick was applied
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private boolean autoViewable;
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private final int id;
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protected final Set<Player> viewers = ConcurrentHashMap.newKeySet();
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private final Set<Player> unmodifiableViewers = Collections.unmodifiableSet(viewers);
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private Data data;
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private final NBTCompound nbtCompound = new NBTCompound();
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private final Set<Permission> permissions = new CopyOnWriteArraySet<>();
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protected UUID uuid;
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private boolean isActive; // False if entity has only been instanced without being added somewhere
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private boolean removed;
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private boolean shouldRemove;
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private long scheduledRemoveTime;
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private final Set<Entity> passengers = new CopyOnWriteArraySet<>();
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protected EntityType entityType; // UNSAFE to change, modify at your own risk
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// Network synchronization, send the absolute position of the entity each X milliseconds
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private static final Duration SYNCHRONIZATION_COOLDOWN = Duration.of(1, TimeUnit.MINUTE);
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private Duration customSynchronizationCooldown;
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private long lastAbsoluteSynchronizationTime;
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// Events
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private final EventNode<EntityEvent> eventNode;
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protected Metadata metadata = new Metadata(this);
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protected EntityMeta entityMeta;
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private final List<TimedPotion> effects = new CopyOnWriteArrayList<>();
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// list of scheduled tasks to be executed during the next entity tick
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protected final Queue<Consumer<Entity>> nextTick = new ConcurrentLinkedQueue<>();
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// Tick related
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private long ticks;
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private final EntityTickEvent tickEvent = new EntityTickEvent(this);
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private final Acquirable<Entity> acquirable = Acquirable.of(this);
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/**
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* Lock used to support #switchEntityType
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*/
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private final Object entityTypeLock = new Object();
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public Entity(@NotNull EntityType entityType, @NotNull UUID uuid) {
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this.id = generateId();
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this.entityType = entityType;
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this.uuid = uuid;
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this.position = Pos.ZERO;
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this.lastSyncedPosition = Pos.ZERO;
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setBoundingBox(entityType.getWidth(), entityType.getHeight(), entityType.getWidth());
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this.entityMeta = entityType.getMetaConstructor().apply(this, this.metadata);
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setAutoViewable(true);
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Entity.ENTITY_BY_ID.put(id, this);
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Entity.ENTITY_BY_UUID.put(uuid, this);
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this.eventNode = EventNode.value("entity-" + uuid, EventFilter.ENTITY, this::equals);
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initializeDefaultGravity();
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}
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public Entity(@NotNull EntityType entityType) {
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this(entityType, UUID.randomUUID());
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}
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/**
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* Schedules a task to be run during the next entity tick.
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* It ensures that the task will be executed in the same thread as the entity (depending of the {@link ThreadProvider}).
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*
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* @param callback the task to execute during the next entity tick
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*/
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public void scheduleNextTick(@NotNull Consumer<Entity> callback) {
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this.nextTick.add(callback);
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}
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/**
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* Gets an entity based on its id (from {@link #getEntityId()}).
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* <p>
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* Entity id are unique server-wide.
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*
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* @param id the entity unique id
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* @return the entity having the specified id, null if not found
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*/
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@Nullable
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public static Entity getEntity(int id) {
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return Entity.ENTITY_BY_ID.getOrDefault(id, null);
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}
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/**
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* Gets an entity based on its UUID (from {@link #getUuid()}).
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*
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* @param uuid the entity UUID
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* @return the entity having the specified uuid, null if not found
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*/
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@Nullable
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public static Entity getEntity(@NotNull UUID uuid) {
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return Entity.ENTITY_BY_UUID.getOrDefault(uuid, null);
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}
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/**
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* Generate and return a new unique entity id.
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* <p>
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* Useful if you want to spawn entities using packet but don't risk to have duplicated id.
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*
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* @return a newly generated entity id
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*/
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public static int generateId() {
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return LAST_ENTITY_ID.incrementAndGet();
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}
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/**
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* Called each tick.
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*
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* @param time time of the update in milliseconds
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*/
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public void update(long time) {
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}
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/**
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* Called when a new instance is set.
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*/
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public void spawn() {
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}
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public boolean isOnGround() {
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return onGround || EntityUtils.isOnGround(this) /* backup for levitating entities */;
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}
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/**
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* Gets metadata of this entity.
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* You may want to cast it to specific implementation.
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*
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* @return metadata of this entity.
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*/
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@NotNull
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public EntityMeta getEntityMeta() {
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return this.entityMeta;
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}
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/**
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* Teleports the entity only if the chunk at {@code position} is loaded or if
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* {@link Instance#hasEnabledAutoChunkLoad()} returns true.
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*
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* @param position the teleport position
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* @param chunks the chunk indexes to load before teleporting the entity,
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* indexes are from {@link ChunkUtils#getChunkIndex(int, int)},
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* can be null or empty to only load the chunk at {@code position}
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* @param callback the optional callback executed, even if auto chunk is not enabled
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* @throws IllegalStateException if you try to teleport an entity before settings its instance
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*/
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public void teleport(@NotNull Pos position, @Nullable long[] chunks, @Nullable Runnable callback) {
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Check.stateCondition(instance == null, "You need to use Entity#setInstance before teleporting an entity!");
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final ChunkCallback endCallback = (chunk) -> {
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refreshPosition(position);
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synchronizePosition(true);
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OptionalCallback.execute(callback);
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};
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if (chunks == null || chunks.length == 0) {
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instance.loadOptionalChunk(position, endCallback);
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} else {
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ChunkUtils.optionalLoadAll(instance, chunks, null, endCallback);
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}
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}
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public void teleport(@NotNull Pos position, @Nullable Runnable callback) {
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teleport(position, null, callback);
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}
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public void teleport(@NotNull Pos position) {
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teleport(position, null);
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}
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/**
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* Changes the view of the entity.
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*
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* @param yaw the new yaw
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* @param pitch the new pitch
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*/
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public void setView(float yaw, float pitch) {
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this.position = position.withView(yaw, pitch);
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EntityRotationPacket entityRotationPacket = new EntityRotationPacket();
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entityRotationPacket.entityId = getEntityId();
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entityRotationPacket.yaw = yaw;
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entityRotationPacket.pitch = pitch;
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entityRotationPacket.onGround = onGround;
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EntityHeadLookPacket entityHeadLookPacket = new EntityHeadLookPacket();
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entityHeadLookPacket.entityId = getEntityId();
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entityHeadLookPacket.yaw = yaw;
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sendPacketToViewersAndSelf(entityHeadLookPacket);
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sendPacketToViewersAndSelf(entityRotationPacket);
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}
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/**
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* Changes the view of the entity.
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* Only the yaw and pitch are used.
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*
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* @param position the new view
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*/
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public void setView(@NotNull Position position) {
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setView(position.getYaw(), position.getPitch());
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}
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/**
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* When set to true, the entity will automatically get new viewers when they come too close.
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* This can be use to have complete control over which player can see it, without having to deal with
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* raw packets.
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* <p>
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* True by default for all entities.
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* When set to false, it is important to mention that the players will not be removed automatically from its viewers
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* list, you would have to do that manually using {@link #addViewer(Player)} and {@link #removeViewer(Player)}..
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*
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* @return true if the entity is automatically viewable for close players, false otherwise
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*/
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public boolean isAutoViewable() {
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return autoViewable;
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}
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/**
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* Makes the entity auto viewable or only manually.
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*
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* @param autoViewable should the entity be automatically viewable for close players
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* @see #isAutoViewable()
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*/
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public void setAutoViewable(boolean autoViewable) {
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this.autoViewable = autoViewable;
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}
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@Override
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public final boolean addViewer(@NotNull Player player) {
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synchronized (this.entityTypeLock) {
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return addViewer0(player);
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}
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}
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protected boolean addViewer0(@NotNull Player player) {
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if (!this.viewers.add(player)) {
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return false;
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}
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player.viewableEntities.add(this);
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PlayerConnection playerConnection = player.getPlayerConnection();
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playerConnection.sendPacket(getEntityType().getSpawnType().getSpawnPacket(this));
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if (hasVelocity()) {
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playerConnection.sendPacket(getVelocityPacket());
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}
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playerConnection.sendPacket(getMetadataPacket());
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// Passenger
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if (hasPassenger()) {
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playerConnection.sendPacket(getPassengersPacket());
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}
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// Head position
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{
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EntityHeadLookPacket entityHeadLookPacket = new EntityHeadLookPacket();
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entityHeadLookPacket.entityId = getEntityId();
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entityHeadLookPacket.yaw = position.yaw();
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playerConnection.sendPacket(entityHeadLookPacket);
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}
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return true;
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}
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@Override
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public final boolean removeViewer(@NotNull Player player) {
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synchronized (this.entityTypeLock) {
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return removeViewer0(player);
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}
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}
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protected boolean removeViewer0(@NotNull Player player) {
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if (!viewers.remove(player)) {
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return false;
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}
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player.getPlayerConnection().sendPacket(DestroyEntityPacket.of(getEntityId()));
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player.viewableEntities.remove(this);
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return true;
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}
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@NotNull
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@Override
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public Set<Player> getViewers() {
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return unmodifiableViewers;
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}
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/**
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* Changes the entity type of this entity.
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* <p>
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* Works by changing the internal entity type field and by calling {@link #removeViewer(Player)}
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* followed by {@link #addViewer(Player)} to all current viewers.
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* <p>
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* Be aware that this only change the visual of the entity, the {@link net.minestom.server.collision.BoundingBox}
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* will not be modified.
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*
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* @param entityType the new entity type
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*/
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public void switchEntityType(@NotNull EntityType entityType) {
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synchronized (entityTypeLock) {
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this.entityType = entityType;
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this.metadata = new Metadata(this);
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this.entityMeta = entityType.getMetaConstructor().apply(this, this.metadata);
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Set<Player> viewers = new HashSet<>(getViewers());
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getViewers().forEach(this::removeViewer0);
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viewers.forEach(this::addViewer0);
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}
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}
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@Override
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public Data getData() {
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return data;
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}
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@Override
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public void setData(@Nullable Data data) {
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this.data = data;
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}
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@NotNull
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@Override
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public Set<Permission> getAllPermissions() {
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return permissions;
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}
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/**
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* Updates the entity, called every tick.
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* <p>
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* Ignored if {@link #getInstance()} returns null.
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*
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* @param time the update time in milliseconds
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*/
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@Override
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public void tick(long time) {
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if (instance == null)
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return;
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// Scheduled remove
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if (scheduledRemoveTime != 0) {
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final boolean finished = time >= scheduledRemoveTime;
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if (finished) {
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remove();
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return;
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}
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}
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// Instant remove
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if (shouldRemove()) {
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remove();
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return;
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}
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// Fix current chunk being null if the entity has been spawned before
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if (currentChunk == null) {
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refreshCurrentChunk(instance.getChunkAt(position));
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}
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// Check if the entity chunk is loaded
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if (!ChunkUtils.isLoaded(currentChunk)) {
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// No update for entities in unloaded chunk
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return;
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}
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// scheduled tasks
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if (!nextTick.isEmpty()) {
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Consumer<Entity> callback;
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while ((callback = nextTick.poll()) != null) {
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callback.accept(this);
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}
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}
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sendPositionUpdate(false);
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final boolean isNettyClient = PlayerUtils.isNettyClient(this);
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// Entity tick
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{
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// Cache the number of "gravity tick"
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if (!onGround) {
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gravityTickCount++;
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} else {
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gravityTickCount = 0;
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}
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// Velocity
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boolean applyVelocity;
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// Non-player entities with either velocity or gravity enabled
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applyVelocity = !isNettyClient && (hasVelocity() || !hasNoGravity());
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// Players with a velocity applied (client is responsible for gravity)
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applyVelocity |= isNettyClient && hasVelocity();
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if (applyVelocity) {
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final float tps = MinecraftServer.TICK_PER_SECOND;
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final double newX = position.x() + velocity.x() / tps;
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final double newY = position.y() + velocity.y() / tps;
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final double newZ = position.z() + velocity.z() / tps;
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Position newPosition = new Position(newX, newY, newZ);
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Vector newVelocityOut = new Vector();
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// Gravity force
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final double gravityY = hasNoGravity() ? 0 : gravityAcceleration;
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final Vector deltaPos = new Vector(
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getVelocity().getX() / tps,
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getVelocity().getY() / tps - gravityY,
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getVelocity().getZ() / tps
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);
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if (this.hasPhysics) {
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this.onGround = CollisionUtils.handlePhysics(this, deltaPos, newPosition, newVelocityOut);
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} else {
|
|
newVelocityOut = deltaPos;
|
|
}
|
|
|
|
// World border collision
|
|
final Point finalVelocityPosition = CollisionUtils.applyWorldBorder(instance, position, newPosition);
|
|
final Chunk finalChunk = ChunkUtils.retrieve(instance, currentChunk, finalVelocityPosition);
|
|
if (!ChunkUtils.isLoaded(finalChunk)) {
|
|
// Entity shouldn't be updated when moving in an unloaded chunk
|
|
return;
|
|
}
|
|
|
|
// Apply the position if changed
|
|
if (!finalVelocityPosition.samePoint(position)) {
|
|
refreshCoordinate(finalVelocityPosition);
|
|
sendPositionUpdate(true);
|
|
}
|
|
|
|
// Update velocity
|
|
if (hasVelocity() || !newVelocityOut.isZero()) {
|
|
this.velocity.copy(newVelocityOut);
|
|
this.velocity.multiply(tps);
|
|
|
|
final Block block = finalChunk.getBlock(position);
|
|
final double drag = block.registry().friction();
|
|
if (onGround) {
|
|
// Stop player velocity
|
|
if (isNettyClient) {
|
|
this.velocity.zero();
|
|
}
|
|
}
|
|
|
|
this.velocity.setX(velocity.getX() * drag);
|
|
this.velocity.setZ(velocity.getZ() * drag);
|
|
if (!hasNoGravity())
|
|
this.velocity.setY(velocity.getY() * (1 - gravityDragPerTick));
|
|
|
|
if (velocity.equals(new Vector())) {
|
|
this.velocity.zero();
|
|
}
|
|
}
|
|
|
|
// Synchronization and packets...
|
|
if (!isNettyClient) {
|
|
synchronizePosition(true);
|
|
}
|
|
// Verify if velocity packet has to be sent
|
|
if (hasVelocity() || (!isNettyClient && gravityTickCount > 0)) {
|
|
sendPacketToViewersAndSelf(getVelocityPacket());
|
|
}
|
|
}
|
|
|
|
// handle block contacts
|
|
// TODO do not call every tick (it is pretty expensive)
|
|
final int minX = (int) Math.floor(boundingBox.getMinX());
|
|
final int maxX = (int) Math.ceil(boundingBox.getMaxX());
|
|
final int minY = (int) Math.floor(boundingBox.getMinY());
|
|
final int maxY = (int) Math.ceil(boundingBox.getMaxY());
|
|
final int minZ = (int) Math.floor(boundingBox.getMinZ());
|
|
final int maxZ = (int) Math.ceil(boundingBox.getMaxZ());
|
|
for (int y = minY; y <= maxY; y++) {
|
|
for (int x = minX; x <= maxX; x++) {
|
|
for (int z = minZ; z <= maxZ; z++) {
|
|
final Chunk chunk = ChunkUtils.retrieve(instance, currentChunk, x, z);
|
|
if (!ChunkUtils.isLoaded(chunk))
|
|
continue;
|
|
|
|
final Block block = chunk.getBlock(x, y, z);
|
|
final BlockHandler handler = block.handler();
|
|
if (handler != null) {
|
|
final var blockPosition = new Vec(x, y, z);
|
|
// checks that we are actually in the block, and not just here because of a rounding error
|
|
if (boundingBox.intersectWithBlock(blockPosition)) {
|
|
// TODO: replace with check with custom block bounding box
|
|
handler.onTouch(new BlockHandler.Touch(block, instance, blockPosition, this));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
handleVoid();
|
|
|
|
// Call the abstract update method
|
|
update(time);
|
|
|
|
ticks++;
|
|
EventDispatcher.call(tickEvent); // reuse tickEvent to avoid recreating it each tick
|
|
|
|
// remove expired effects
|
|
if (!effects.isEmpty()) {
|
|
this.effects.removeIf(timedPotion -> {
|
|
final long potionTime = (long) timedPotion.getPotion().getDuration() * MinecraftServer.TICK_MS;
|
|
// Remove if the potion should be expired
|
|
if (time >= timedPotion.getStartingTime() + potionTime) {
|
|
// Send the packet that the potion should no longer be applied
|
|
timedPotion.getPotion().sendRemovePacket(this);
|
|
EventDispatcher.call(new EntityPotionRemoveEvent(this, timedPotion.getPotion()));
|
|
return true;
|
|
}
|
|
return false;
|
|
});
|
|
}
|
|
}
|
|
|
|
// Scheduled synchronization
|
|
if (!Cooldown.hasCooldown(time, lastAbsoluteSynchronizationTime, getSynchronizationCooldown())) {
|
|
synchronizePosition(false);
|
|
}
|
|
|
|
if (shouldRemove() && !MinecraftServer.isStopping()) {
|
|
remove();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sends the correct packets to update the entity's position, should be called
|
|
* every tick. The movement is checked inside the method!
|
|
* <p>
|
|
* The following packets are sent to viewers (check are performed in this order):
|
|
* <ol>
|
|
* <li>{@link EntityTeleportPacket} if {@code distanceX > 8 || distanceY > 8 || distanceZ > 8}
|
|
* <i>(performed using {@link #synchronizePosition(boolean)})</i></li>
|
|
* <li>{@link EntityPositionAndRotationPacket} if {@code positionChange && viewChange}</li>
|
|
* <li>{@link EntityPositionPacket} if {@code positionChange}</li>
|
|
* <li>{@link EntityRotationPacket} and {@link EntityHeadLookPacket} if {@code viewChange}</li>
|
|
* </ol>
|
|
* In case of a player's position and/or view change an additional {@link PlayerPositionAndLookPacket}
|
|
* is sent to self.
|
|
*
|
|
* @param clientSide {@code true} if the client triggered this action
|
|
*/
|
|
protected void sendPositionUpdate(final boolean clientSide) {
|
|
final boolean viewChange = !position.sameView(lastSyncedPosition);
|
|
final double distanceX = Math.abs(position.x() - lastSyncedPosition.x());
|
|
final double distanceY = Math.abs(position.y() - lastSyncedPosition.y());
|
|
final double distanceZ = Math.abs(position.z() - lastSyncedPosition.z());
|
|
final boolean positionChange = (distanceX + distanceY + distanceZ) > 0;
|
|
|
|
if (distanceX > 8 || distanceY > 8 || distanceZ > 8) {
|
|
synchronizePosition(true);
|
|
// #synchronizePosition sets sync fields, it's safe to return
|
|
return;
|
|
} else if (positionChange && viewChange) {
|
|
EntityPositionAndRotationPacket positionAndRotationPacket = EntityPositionAndRotationPacket
|
|
.getPacket(getEntityId(), position, lastSyncedPosition, isOnGround());
|
|
sendPacketToViewers(positionAndRotationPacket);
|
|
|
|
// Fix head rotation
|
|
final EntityHeadLookPacket entityHeadLookPacket = new EntityHeadLookPacket();
|
|
entityHeadLookPacket.entityId = getEntityId();
|
|
entityHeadLookPacket.yaw = position.yaw();
|
|
sendPacketToViewersAndSelf(entityHeadLookPacket);
|
|
} else if (positionChange) {
|
|
final EntityPositionPacket entityPositionPacket = EntityPositionPacket
|
|
.getPacket(getEntityId(), position, lastSyncedPosition, onGround);
|
|
sendPacketToViewers(entityPositionPacket);
|
|
} else if (viewChange) {
|
|
final EntityRotationPacket entityRotationPacket = new EntityRotationPacket();
|
|
entityRotationPacket.entityId = getEntityId();
|
|
entityRotationPacket.yaw = position.yaw();
|
|
entityRotationPacket.pitch = position.pitch();
|
|
entityRotationPacket.onGround = onGround;
|
|
|
|
final EntityHeadLookPacket entityHeadLookPacket = new EntityHeadLookPacket();
|
|
entityHeadLookPacket.entityId = getEntityId();
|
|
entityHeadLookPacket.yaw = position.yaw();
|
|
|
|
if (clientSide) {
|
|
sendPacketToViewers(entityHeadLookPacket);
|
|
sendPacketToViewers(entityRotationPacket);
|
|
} else {
|
|
sendPacketToViewersAndSelf(entityHeadLookPacket);
|
|
sendPacketToViewersAndSelf(entityRotationPacket);
|
|
}
|
|
} else {
|
|
// Nothing changed, return
|
|
return;
|
|
}
|
|
|
|
if (PlayerUtils.isNettyClient(this) && !clientSide) {
|
|
final PlayerPositionAndLookPacket playerPositionAndLookPacket = new PlayerPositionAndLookPacket();
|
|
playerPositionAndLookPacket.flags = 0b111;
|
|
playerPositionAndLookPacket.position = position.sub(lastSyncedPosition);
|
|
playerPositionAndLookPacket.teleportId = ((Player) this).getNextTeleportId();
|
|
((Player) this).getPlayerConnection().sendPacket(playerPositionAndLookPacket);
|
|
}
|
|
|
|
this.lastSyncedPosition = position;
|
|
}
|
|
|
|
/**
|
|
* Gets the number of ticks this entity has been active for.
|
|
*
|
|
* @return the number of ticks this entity has been active for
|
|
*/
|
|
public long getAliveTicks() {
|
|
return ticks;
|
|
}
|
|
|
|
/**
|
|
* How does this entity handle being in the void?
|
|
*/
|
|
protected void handleVoid() {
|
|
// Kill if in void
|
|
if (getInstance().isInVoid(this.position)) {
|
|
remove();
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public @NotNull EventNode<EntityEvent> getEventNode() {
|
|
return eventNode;
|
|
}
|
|
|
|
@Override
|
|
public synchronized <V extends EntityEvent> boolean addEventCallback(@NotNull Class<V> eventClass, @NotNull EventCallback<V> eventCallback) {
|
|
if (eventNode.getParent() == null) {
|
|
MinecraftServer.getGlobalEventHandler().addChild(eventNode);
|
|
}
|
|
return EventHandler.super.addEventCallback(eventClass, eventCallback);
|
|
}
|
|
|
|
/**
|
|
* Each entity has an unique id (server-wide) which will change after a restart.
|
|
*
|
|
* @return the unique entity id
|
|
* @see Entity#getEntity(int) to retrive an entity based on its id
|
|
*/
|
|
public int getEntityId() {
|
|
return id;
|
|
}
|
|
|
|
/**
|
|
* Returns the entity type.
|
|
*
|
|
* @return the entity type
|
|
*/
|
|
@NotNull
|
|
public EntityType getEntityType() {
|
|
return entityType;
|
|
}
|
|
|
|
/**
|
|
* Gets the entity {@link UUID}.
|
|
*
|
|
* @return the entity unique id
|
|
*/
|
|
@NotNull
|
|
public UUID getUuid() {
|
|
return uuid;
|
|
}
|
|
|
|
/**
|
|
* Changes the internal entity UUID, mostly unsafe.
|
|
*
|
|
* @param uuid the new entity uuid
|
|
*/
|
|
public void setUuid(@NotNull UUID uuid) {
|
|
// Refresh internal map
|
|
Entity.ENTITY_BY_UUID.remove(this.uuid);
|
|
Entity.ENTITY_BY_UUID.put(uuid, this);
|
|
|
|
this.uuid = uuid;
|
|
}
|
|
|
|
/**
|
|
* Returns false just after instantiation, set to true after calling {@link #setInstance(Instance)}.
|
|
*
|
|
* @return true if the entity has been linked to an instance, false otherwise
|
|
*/
|
|
public boolean isActive() {
|
|
return isActive;
|
|
}
|
|
|
|
/**
|
|
* Is used to check collision with coordinates or other blocks/entities.
|
|
*
|
|
* @return the entity bounding box
|
|
*/
|
|
@NotNull
|
|
public BoundingBox getBoundingBox() {
|
|
return boundingBox;
|
|
}
|
|
|
|
/**
|
|
* Changes the internal entity bounding box.
|
|
* <p>
|
|
* WARNING: this does not change the entity hit-box which is client-side.
|
|
*
|
|
* @param x the bounding box X size
|
|
* @param y the bounding box Y size
|
|
* @param z the bounding box Z size
|
|
*/
|
|
public void setBoundingBox(double x, double y, double z) {
|
|
this.boundingBox = new BoundingBox(this, x, y, z);
|
|
}
|
|
|
|
/**
|
|
* Changes the internal entity bounding box.
|
|
* <p>
|
|
* WARNING: this does not change the entity hit-box which is client-side.
|
|
*
|
|
* @param boundingBox the new bounding box
|
|
*/
|
|
public void setBoundingBox(BoundingBox boundingBox) {
|
|
this.boundingBox = boundingBox;
|
|
}
|
|
|
|
/**
|
|
* Convenient method to get the entity current chunk.
|
|
*
|
|
* @return the entity chunk, can be null even if unlikely
|
|
*/
|
|
public @Nullable Chunk getChunk() {
|
|
return currentChunk;
|
|
}
|
|
|
|
@ApiStatus.Internal
|
|
protected void refreshCurrentChunk(Chunk currentChunk) {
|
|
this.currentChunk = currentChunk;
|
|
MinecraftServer.getUpdateManager().getThreadProvider().updateEntity(this);
|
|
}
|
|
|
|
/**
|
|
* Gets the entity current instance.
|
|
*
|
|
* @return the entity instance, can be null if the entity doesn't have an instance yet
|
|
*/
|
|
public @Nullable Instance getInstance() {
|
|
return instance;
|
|
}
|
|
|
|
/**
|
|
* Changes the entity instance, i.e. spawns it.
|
|
*
|
|
* @param instance the new instance of the entity
|
|
* @param spawnPosition the spawn position for the entity.
|
|
* @throws IllegalStateException if {@code instance} has not been registered in {@link InstanceManager}
|
|
*/
|
|
public void setInstance(@NotNull Instance instance, @NotNull Pos spawnPosition) {
|
|
Check.stateCondition(!instance.isRegistered(),
|
|
"Instances need to be registered, please use InstanceManager#registerInstance or InstanceManager#registerSharedInstance");
|
|
if (this.instance != null) {
|
|
this.instance.UNSAFE_removeEntity(this);
|
|
}
|
|
this.position = spawnPosition;
|
|
this.isActive = true;
|
|
this.instance = instance;
|
|
refreshCurrentChunk(instance.getChunkAt(position));
|
|
instance.UNSAFE_addEntity(this);
|
|
spawn();
|
|
EventDispatcher.call(new EntitySpawnEvent(this, instance));
|
|
}
|
|
|
|
public void setInstance(@NotNull Instance instance, @NotNull Position spawnPosition) {
|
|
setInstance(instance, Pos.fromPosition(spawnPosition));
|
|
}
|
|
|
|
/**
|
|
* Changes the entity instance.
|
|
*
|
|
* @param instance the new instance of the entity
|
|
* @throws NullPointerException if {@code instance} is null
|
|
* @throws IllegalStateException if {@code instance} has not been registered in {@link InstanceManager}
|
|
*/
|
|
public void setInstance(@NotNull Instance instance) {
|
|
setInstance(instance, this.position);
|
|
}
|
|
|
|
/**
|
|
* Gets the entity current velocity.
|
|
*
|
|
* @return the entity current velocity
|
|
*/
|
|
public @NotNull Vec getVelocity() {
|
|
return velocity;
|
|
}
|
|
|
|
/**
|
|
* Changes the entity velocity and calls {@link EntityVelocityEvent}.
|
|
* <p>
|
|
* The final velocity can be cancelled or modified by the event.
|
|
*
|
|
* @param velocity the new entity velocity
|
|
*/
|
|
public void setVelocity(@NotNull Vec velocity) {
|
|
EntityVelocityEvent entityVelocityEvent = new EntityVelocityEvent(this, velocity);
|
|
EventDispatcher.callCancellable(entityVelocityEvent, () -> {
|
|
this.velocity = entityVelocityEvent.getVelocity();
|
|
sendPacketToViewersAndSelf(getVelocityPacket());
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Gets if the entity currently has a velocity applied.
|
|
*
|
|
* @return true if velocity is not set to 0
|
|
*/
|
|
public boolean hasVelocity() {
|
|
return !velocity.samePoint(Vec.ZERO);
|
|
}
|
|
|
|
/**
|
|
* Gets the gravity drag per tick.
|
|
*
|
|
* @return the gravity drag per tick in block
|
|
*/
|
|
public double getGravityDragPerTick() {
|
|
return gravityDragPerTick;
|
|
}
|
|
|
|
/**
|
|
* Gets the gravity acceleration.
|
|
*
|
|
* @return the gravity acceleration in block
|
|
*/
|
|
public double getGravityAcceleration() {
|
|
return gravityAcceleration;
|
|
}
|
|
|
|
/**
|
|
* Gets the number of tick this entity has been applied gravity.
|
|
*
|
|
* @return the number of tick of which gravity has been consequently applied
|
|
*/
|
|
public int getGravityTickCount() {
|
|
return gravityTickCount;
|
|
}
|
|
|
|
/**
|
|
* Changes the gravity of the entity.
|
|
*
|
|
* @param gravityDragPerTick the gravity drag per tick in block
|
|
* @param gravityAcceleration the gravity acceleration in block
|
|
* @see <a href="https://minecraft.gamepedia.com/Entity#Motion_of_entities">Entities motion</a>
|
|
*/
|
|
public void setGravity(double gravityDragPerTick, double gravityAcceleration) {
|
|
this.gravityDragPerTick = gravityDragPerTick;
|
|
this.gravityAcceleration = gravityAcceleration;
|
|
}
|
|
|
|
/**
|
|
* Gets the distance between two entities.
|
|
*
|
|
* @param entity the entity to get the distance from
|
|
* @return the distance between this and {@code entity}
|
|
*/
|
|
public double getDistance(@NotNull Entity entity) {
|
|
return getPosition().distance(entity.getPosition());
|
|
}
|
|
|
|
/**
|
|
* Gets the distance squared between two entities.
|
|
*
|
|
* @param entity the entity to get the distance from
|
|
* @return the distance squared between this and {@code entity}
|
|
*/
|
|
public double getDistanceSquared(@NotNull Entity entity) {
|
|
return getPosition().distanceSquared(entity.getPosition());
|
|
}
|
|
|
|
/**
|
|
* Gets the entity vehicle or null.
|
|
*
|
|
* @return the entity vehicle, or null if there is not any
|
|
*/
|
|
@Nullable
|
|
public Entity getVehicle() {
|
|
return vehicle;
|
|
}
|
|
|
|
/**
|
|
* Adds a new passenger to this entity.
|
|
*
|
|
* @param entity the new passenger
|
|
* @throws NullPointerException if {@code entity} is null
|
|
* @throws IllegalStateException if {@link #getInstance()} returns null
|
|
*/
|
|
public void addPassenger(@NotNull Entity entity) {
|
|
Check.stateCondition(instance == null, "You need to set an instance using Entity#setInstance");
|
|
|
|
if (entity.getVehicle() != null) {
|
|
entity.getVehicle().removePassenger(entity);
|
|
}
|
|
|
|
this.passengers.add(entity);
|
|
entity.vehicle = this;
|
|
|
|
sendPacketToViewersAndSelf(getPassengersPacket());
|
|
}
|
|
|
|
/**
|
|
* Removes a passenger to this entity.
|
|
*
|
|
* @param entity the passenger to remove
|
|
* @throws NullPointerException if {@code entity} is null
|
|
* @throws IllegalStateException if {@link #getInstance()} returns null
|
|
*/
|
|
public void removePassenger(@NotNull Entity entity) {
|
|
Check.stateCondition(instance == null, "You need to set an instance using Entity#setInstance");
|
|
|
|
if (!passengers.remove(entity))
|
|
return;
|
|
entity.vehicle = null;
|
|
sendPacketToViewersAndSelf(getPassengersPacket());
|
|
}
|
|
|
|
/**
|
|
* Gets if the entity has any passenger.
|
|
*
|
|
* @return true if the entity has any passenger, false otherwise
|
|
*/
|
|
public boolean hasPassenger() {
|
|
return !passengers.isEmpty();
|
|
}
|
|
|
|
/**
|
|
* Gets the entity passengers.
|
|
*
|
|
* @return an unmodifiable list containing all the entity passengers
|
|
*/
|
|
@NotNull
|
|
public Set<Entity> getPassengers() {
|
|
return Collections.unmodifiableSet(passengers);
|
|
}
|
|
|
|
@NotNull
|
|
protected SetPassengersPacket getPassengersPacket() {
|
|
SetPassengersPacket passengersPacket = new SetPassengersPacket();
|
|
passengersPacket.vehicleEntityId = getEntityId();
|
|
|
|
int[] passengers = new int[this.passengers.size()];
|
|
int counter = 0;
|
|
for (Entity passenger : this.passengers) {
|
|
passengers[counter++] = passenger.getEntityId();
|
|
}
|
|
|
|
passengersPacket.passengersId = passengers;
|
|
return passengersPacket;
|
|
}
|
|
|
|
/**
|
|
* Entity statuses can be found <a href="https://wiki.vg/Entity_statuses">here</a>.
|
|
*
|
|
* @param status the status to trigger
|
|
*/
|
|
public void triggerStatus(byte status) {
|
|
EntityStatusPacket statusPacket = new EntityStatusPacket();
|
|
statusPacket.entityId = getEntityId();
|
|
statusPacket.status = status;
|
|
sendPacketToViewersAndSelf(statusPacket);
|
|
}
|
|
|
|
/**
|
|
* Gets if the entity is on fire.
|
|
*
|
|
* @return true if the entity is in fire, false otherwise
|
|
*/
|
|
public boolean isOnFire() {
|
|
return this.entityMeta.isOnFire();
|
|
}
|
|
|
|
/**
|
|
* Sets the entity in fire visually.
|
|
* <p>
|
|
* WARNING: if you want to apply damage or specify a duration,
|
|
* see {@link LivingEntity#setFireForDuration(int, TemporalUnit)}.
|
|
*
|
|
* @param fire should the entity be set in fire
|
|
*/
|
|
public void setOnFire(boolean fire) {
|
|
this.entityMeta.setOnFire(fire);
|
|
}
|
|
|
|
/**
|
|
* Gets if the entity is sneaking.
|
|
* <p>
|
|
* WARNING: this can be bypassed by hacked client, this is only what the client told the server.
|
|
*
|
|
* @return true if the player is sneaking
|
|
*/
|
|
public boolean isSneaking() {
|
|
return this.entityMeta.isSneaking();
|
|
}
|
|
|
|
/**
|
|
* Makes the entity sneak.
|
|
* <p>
|
|
* WARNING: this will not work for the client itself.
|
|
*
|
|
* @param sneaking true to make the entity sneak
|
|
*/
|
|
public void setSneaking(boolean sneaking) {
|
|
setPose(sneaking ? Pose.SNEAKING : Pose.STANDING);
|
|
this.entityMeta.setSneaking(sneaking);
|
|
}
|
|
|
|
/**
|
|
* Gets if the player is sprinting.
|
|
* <p>
|
|
* WARNING: this can be bypassed by hacked client, this is only what the client told the server.
|
|
*
|
|
* @return true if the player is sprinting
|
|
*/
|
|
public boolean isSprinting() {
|
|
return this.entityMeta.isSprinting();
|
|
}
|
|
|
|
/**
|
|
* Makes the entity sprint.
|
|
* <p>
|
|
* WARNING: this will not work on the client itself.
|
|
*
|
|
* @param sprinting true to make the entity sprint
|
|
*/
|
|
public void setSprinting(boolean sprinting) {
|
|
this.entityMeta.setSprinting(sprinting);
|
|
}
|
|
|
|
/**
|
|
* Gets if the entity is invisible or not.
|
|
*
|
|
* @return true if the entity is invisible, false otherwise
|
|
*/
|
|
public boolean isInvisible() {
|
|
return this.entityMeta.isInvisible();
|
|
}
|
|
|
|
/**
|
|
* Changes the internal invisible value and send a {@link EntityMetaDataPacket}
|
|
* to make visible or invisible the entity to its viewers.
|
|
*
|
|
* @param invisible true to set the entity invisible, false otherwise
|
|
*/
|
|
public void setInvisible(boolean invisible) {
|
|
this.entityMeta.setInvisible(invisible);
|
|
}
|
|
|
|
/**
|
|
* Gets if the entity is glowing or not.
|
|
*
|
|
* @return true if the entity is glowing, false otherwise
|
|
*/
|
|
public boolean isGlowing() {
|
|
return this.entityMeta.isHasGlowingEffect();
|
|
}
|
|
|
|
/**
|
|
* Sets or remove the entity glowing effect.
|
|
*
|
|
* @param glowing true to make the entity glows, false otherwise
|
|
*/
|
|
public void setGlowing(boolean glowing) {
|
|
this.entityMeta.setHasGlowingEffect(glowing);
|
|
}
|
|
|
|
/**
|
|
* Gets the current entity pose.
|
|
*
|
|
* @return the entity pose
|
|
*/
|
|
@NotNull
|
|
public Pose getPose() {
|
|
return this.entityMeta.getPose();
|
|
}
|
|
|
|
/**
|
|
* Changes the entity pose.
|
|
* <p>
|
|
* The internal {@code crouched} and {@code swimming} field will be
|
|
* updated accordingly.
|
|
*
|
|
* @param pose the new entity pose
|
|
*/
|
|
@NotNull
|
|
public void setPose(@NotNull Pose pose) {
|
|
this.entityMeta.setPose(pose);
|
|
}
|
|
|
|
/**
|
|
* Gets the entity custom name.
|
|
*
|
|
* @return the custom name of the entity, null if there is not
|
|
* @deprecated Use {@link #getCustomName()}
|
|
*/
|
|
@Deprecated
|
|
@Nullable
|
|
public JsonMessage getCustomNameJson() {
|
|
return this.entityMeta.getCustomNameJson();
|
|
}
|
|
|
|
/**
|
|
* Gets the entity custom name.
|
|
*
|
|
* @return the custom name of the entity, null if there is not
|
|
*/
|
|
@Nullable
|
|
public Component getCustomName() {
|
|
return this.entityMeta.getCustomName();
|
|
}
|
|
|
|
/**
|
|
* Changes the entity custom name.
|
|
*
|
|
* @param customName the custom name of the entity, null to remove it
|
|
* @deprecated Use {@link #setCustomName(Component)}
|
|
*/
|
|
@Deprecated
|
|
public void setCustomName(@Nullable JsonMessage customName) {
|
|
this.entityMeta.setCustomName(customName);
|
|
}
|
|
|
|
/**
|
|
* Changes the entity custom name.
|
|
*
|
|
* @param customName the custom name of the entity, null to remove it
|
|
*/
|
|
public void setCustomName(@Nullable Component customName) {
|
|
this.entityMeta.setCustomName(customName);
|
|
}
|
|
|
|
/**
|
|
* Gets the custom name visible metadata field.
|
|
*
|
|
* @return true if the custom name is visible, false otherwise
|
|
*/
|
|
public boolean isCustomNameVisible() {
|
|
return this.entityMeta.isCustomNameVisible();
|
|
}
|
|
|
|
/**
|
|
* Changes the internal custom name visible field and send a {@link EntityMetaDataPacket}
|
|
* to update the entity state to its viewers.
|
|
*
|
|
* @param customNameVisible true to make the custom name visible, false otherwise
|
|
*/
|
|
public void setCustomNameVisible(boolean customNameVisible) {
|
|
this.entityMeta.setCustomNameVisible(customNameVisible);
|
|
}
|
|
|
|
public boolean isSilent() {
|
|
return this.entityMeta.isSilent();
|
|
}
|
|
|
|
public void setSilent(boolean silent) {
|
|
this.entityMeta.setSilent(silent);
|
|
}
|
|
|
|
/**
|
|
* Gets the noGravity metadata field.
|
|
*
|
|
* @return true if the entity ignore gravity, false otherwise
|
|
*/
|
|
public boolean hasNoGravity() {
|
|
return this.entityMeta.isHasNoGravity();
|
|
}
|
|
|
|
/**
|
|
* Changes the noGravity metadata field and change the gravity behaviour accordingly.
|
|
*
|
|
* @param noGravity should the entity ignore gravity
|
|
*/
|
|
public void setNoGravity(boolean noGravity) {
|
|
this.entityMeta.setHasNoGravity(noGravity);
|
|
}
|
|
|
|
/**
|
|
* Updates internal fields and sends updates
|
|
*
|
|
* @param position the new position
|
|
* @see #refreshCoordinate(Pos)
|
|
* @see #sendPositionUpdate(boolean)
|
|
*/
|
|
@ApiStatus.Internal
|
|
public void refreshPosition(@NotNull final Pos position, boolean ignoreView) {
|
|
if (!ignoreView) {
|
|
this.position = position;
|
|
} else {
|
|
this.position = this.position.withCoord(position);
|
|
}
|
|
if (!position.samePoint(this.position)) {
|
|
refreshCoordinate(position);
|
|
}
|
|
sendPositionUpdate(true);
|
|
}
|
|
|
|
@ApiStatus.Internal
|
|
public void refreshPosition(@NotNull final Pos position) {
|
|
refreshPosition(position, false);
|
|
}
|
|
|
|
/**
|
|
* Used to refresh the entity and its passengers position
|
|
* - put the entity in the right instance chunk
|
|
* - update the viewable chunks (load and unload)
|
|
* - add/remove players from the viewers list if {@link #isAutoViewable()} is enabled
|
|
* <p>
|
|
* WARNING: unsafe, should only be used internally in Minestom. Use {@link #teleport(Pos)} instead.
|
|
*
|
|
* @param newPosition the new position
|
|
*/
|
|
private void refreshCoordinate(Point newPosition) {
|
|
if (hasPassenger()) {
|
|
for (Entity passenger : getPassengers()) {
|
|
passenger.refreshCoordinate(newPosition);
|
|
}
|
|
}
|
|
final Instance instance = getInstance();
|
|
if (instance != null) {
|
|
final int lastChunkX = currentChunk.getChunkX();
|
|
final int lastChunkZ = currentChunk.getChunkZ();
|
|
final int newChunkX = ChunkUtils.getChunkCoordinate(newPosition.x());
|
|
final int newChunkZ = ChunkUtils.getChunkCoordinate(newPosition.z());
|
|
if (lastChunkX != newChunkX || lastChunkZ != newChunkZ) {
|
|
// Entity moved in a new chunk
|
|
final Chunk newChunk = instance.getChunk(newChunkX, newChunkZ);
|
|
Check.notNull(newChunk, "The entity {0} tried to move in an unloaded chunk at {1}", getEntityId(), newPosition);
|
|
instance.UNSAFE_switchEntityChunk(this, currentChunk, newChunk);
|
|
if (this instanceof Player) {
|
|
// Refresh player view
|
|
final Player player = (Player) this;
|
|
player.refreshVisibleChunks(newChunk);
|
|
player.refreshVisibleEntities(newChunk);
|
|
}
|
|
refreshCurrentChunk(newChunk);
|
|
}
|
|
}
|
|
this.lastPosition = position;
|
|
}
|
|
|
|
/**
|
|
* Gets the entity position.
|
|
*
|
|
* @return the current position of the entity
|
|
*/
|
|
public @NotNull Pos getPosition() {
|
|
return position;
|
|
}
|
|
|
|
/**
|
|
* Gets the entity eye height.
|
|
* <p>
|
|
* Default to {@link BoundingBox#getHeight()}x0.85
|
|
*
|
|
* @return the entity eye height
|
|
*/
|
|
public double getEyeHeight() {
|
|
return boundingBox.getHeight() * 0.85;
|
|
}
|
|
|
|
/**
|
|
* Gets all the potion effect of this entity.
|
|
*
|
|
* @return an unmodifiable list of all this entity effects
|
|
*/
|
|
@NotNull
|
|
public List<TimedPotion> getActiveEffects() {
|
|
return Collections.unmodifiableList(effects);
|
|
}
|
|
|
|
/**
|
|
* Adds an effect to an entity.
|
|
*
|
|
* @param potion The potion to add
|
|
*/
|
|
public void addEffect(@NotNull Potion potion) {
|
|
removeEffect(potion.getEffect());
|
|
this.effects.add(new TimedPotion(potion, System.currentTimeMillis()));
|
|
potion.sendAddPacket(this);
|
|
EventDispatcher.call(new EntityPotionAddEvent(this, potion));
|
|
}
|
|
|
|
/**
|
|
* Removes effect from entity, if it has it.
|
|
*
|
|
* @param effect The effect to remove
|
|
*/
|
|
public void removeEffect(@NotNull PotionEffect effect) {
|
|
this.effects.removeIf(timedPotion -> {
|
|
if (timedPotion.getPotion().getEffect() == effect) {
|
|
timedPotion.getPotion().sendRemovePacket(this);
|
|
EventDispatcher.call(new EntityPotionRemoveEvent(this, timedPotion.getPotion()));
|
|
return true;
|
|
}
|
|
return false;
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Removes all the effects currently applied to the entity.
|
|
*/
|
|
public void clearEffects() {
|
|
for (TimedPotion timedPotion : effects) {
|
|
timedPotion.getPotion().sendRemovePacket(this);
|
|
EventDispatcher.call(new EntityPotionRemoveEvent(this, timedPotion.getPotion()));
|
|
}
|
|
this.effects.clear();
|
|
}
|
|
|
|
/**
|
|
* Removes the entity from the server immediately.
|
|
* <p>
|
|
* WARNING: this does not trigger {@link EntityDeathEvent}.
|
|
*/
|
|
public void remove() {
|
|
if (isRemoved())
|
|
return;
|
|
|
|
MinecraftServer.getUpdateManager().getThreadProvider().removeEntity(this);
|
|
this.removed = true;
|
|
this.shouldRemove = true;
|
|
Entity.ENTITY_BY_ID.remove(id);
|
|
Entity.ENTITY_BY_UUID.remove(uuid);
|
|
if (instance != null)
|
|
instance.UNSAFE_removeEntity(this);
|
|
}
|
|
|
|
/**
|
|
* Gets if this entity has been removed.
|
|
*
|
|
* @return true if this entity is removed
|
|
*/
|
|
public boolean isRemoved() {
|
|
return removed;
|
|
}
|
|
|
|
/**
|
|
* Triggers {@link #remove()} after the specified time.
|
|
*
|
|
* @param delay the time before removing the entity,
|
|
* 0 to cancel the removing
|
|
* @param temporalUnit the unit of the delay
|
|
*/
|
|
public void scheduleRemove(long delay, @NotNull TemporalUnit temporalUnit) {
|
|
scheduleRemove(Duration.of(delay, temporalUnit));
|
|
}
|
|
|
|
/**
|
|
* Triggers {@link #remove()} after the specified time.
|
|
*
|
|
* @param delay the time before removing the entity,
|
|
* 0 to cancel the removing
|
|
*/
|
|
public void scheduleRemove(Duration delay) {
|
|
if (delay.isZero()) { // Cancel the scheduled remove
|
|
this.scheduledRemoveTime = 0;
|
|
return;
|
|
}
|
|
this.scheduledRemoveTime = System.currentTimeMillis() + delay.toMillis();
|
|
}
|
|
|
|
/**
|
|
* Gets if the entity removal has been scheduled with {@link #scheduleRemove(Duration)}.
|
|
*
|
|
* @return true if the entity removal has been scheduled
|
|
*/
|
|
public boolean isRemoveScheduled() {
|
|
return scheduledRemoveTime != 0;
|
|
}
|
|
|
|
protected @NotNull Vec getVelocityForPacket() {
|
|
return this.velocity.mul(8000f / MinecraftServer.TICK_PER_SECOND);
|
|
}
|
|
|
|
protected @NotNull EntityVelocityPacket getVelocityPacket() {
|
|
EntityVelocityPacket velocityPacket = new EntityVelocityPacket();
|
|
velocityPacket.entityId = getEntityId();
|
|
Vec velocity = getVelocityForPacket();
|
|
velocityPacket.velocityX = (short) velocity.x();
|
|
velocityPacket.velocityY = (short) velocity.y();
|
|
velocityPacket.velocityZ = (short) velocity.z();
|
|
return velocityPacket;
|
|
}
|
|
|
|
/**
|
|
* Gets an {@link EntityMetaDataPacket} sent when adding viewers. Used for synchronization.
|
|
*
|
|
* @return The {@link EntityMetaDataPacket} related to this entity
|
|
*/
|
|
@NotNull
|
|
public EntityMetaDataPacket getMetadataPacket() {
|
|
EntityMetaDataPacket metaDataPacket = new EntityMetaDataPacket();
|
|
metaDataPacket.entityId = getEntityId();
|
|
metaDataPacket.entries = metadata.getEntries();
|
|
return metaDataPacket;
|
|
}
|
|
|
|
/**
|
|
* Used to synchronize entity position with viewers by sending an
|
|
* {@link EntityTeleportPacket} to viewers, in case of a player this is
|
|
* overridden in order to send an additional {@link PlayerPositionAndLookPacket}
|
|
* to itself.
|
|
*
|
|
* @param includeSelf if {@code true} and this is a {@link Player} an additional {@link PlayerPositionAndLookPacket}
|
|
* will be sent to the player itself
|
|
*/
|
|
@ApiStatus.Internal
|
|
protected void synchronizePosition(boolean includeSelf) {
|
|
final EntityTeleportPacket entityTeleportPacket = new EntityTeleportPacket();
|
|
entityTeleportPacket.entityId = getEntityId();
|
|
entityTeleportPacket.position = position;
|
|
entityTeleportPacket.onGround = isOnGround();
|
|
sendPacketToViewers(entityTeleportPacket);
|
|
|
|
this.lastAbsoluteSynchronizationTime = System.currentTimeMillis();
|
|
this.lastSyncedPosition = position;
|
|
}
|
|
|
|
/**
|
|
* Asks for a synchronization (position) to happen during next entity tick.
|
|
*/
|
|
public void askSynchronization() {
|
|
this.lastAbsoluteSynchronizationTime = 0;
|
|
}
|
|
|
|
/**
|
|
* Set custom cooldown for position synchronization.
|
|
*
|
|
* @param cooldown custom cooldown for position synchronization.
|
|
* @deprecated Replaced by {@link #setCustomSynchronizationCooldown(Duration)}
|
|
*/
|
|
@SuppressWarnings("removal")
|
|
@Deprecated(forRemoval = true)
|
|
public void setCustomSynchronizationCooldown(@Nullable net.minestom.server.utils.time.UpdateOption cooldown) {
|
|
setCustomSynchronizationCooldown(cooldown != null ? Duration.ofMillis(cooldown.toMilliseconds()) : null);
|
|
}
|
|
|
|
/**
|
|
* Set custom cooldown for position synchronization.
|
|
*
|
|
* @param cooldown custom cooldown for position synchronization.
|
|
*/
|
|
public void setCustomSynchronizationCooldown(@Nullable Duration cooldown) {
|
|
this.customSynchronizationCooldown = cooldown;
|
|
}
|
|
|
|
@Override
|
|
public @NotNull HoverEvent<ShowEntity> asHoverEvent(@NotNull UnaryOperator<ShowEntity> op) {
|
|
return HoverEvent.showEntity(ShowEntity.of(this.entityType, this.uuid));
|
|
}
|
|
|
|
private Duration getSynchronizationCooldown() {
|
|
return Objects.requireNonNullElse(this.customSynchronizationCooldown, SYNCHRONIZATION_COOLDOWN);
|
|
}
|
|
|
|
@ApiStatus.Experimental
|
|
public <T extends Entity> @NotNull Acquirable<T> getAcquirable() {
|
|
return (Acquirable<T>) acquirable;
|
|
}
|
|
|
|
@ApiStatus.Experimental
|
|
public <T extends Entity> @NotNull Acquirable<T> getAcquirable(@NotNull Class<T> clazz) {
|
|
return (Acquirable<T>) acquirable;
|
|
}
|
|
|
|
@Override
|
|
public <T> @Nullable T getTag(@NotNull Tag<T> tag) {
|
|
return tag.read(nbtCompound);
|
|
}
|
|
|
|
@Override
|
|
public <T> void setTag(@NotNull Tag<T> tag, @Nullable T value) {
|
|
tag.write(nbtCompound, value);
|
|
}
|
|
|
|
/**
|
|
* Sets the Entity's {@link gravityAcceleration} and {@link gravityDragPerTick} fields to
|
|
* the default values according to <a href="https://minecraft.fandom.com/wiki/Entity#Motion_of_entities">Motion of entities</a>
|
|
*/
|
|
@SuppressWarnings("JavadocReference")
|
|
private void initializeDefaultGravity() {
|
|
// TODO Add support for these values in the data generator
|
|
// Acceleration
|
|
switch (entityType) {
|
|
// 0
|
|
case ITEM_FRAME:
|
|
this.gravityAcceleration = 0;
|
|
break;
|
|
// 0.03
|
|
case EGG:
|
|
case FISHING_BOBBER:
|
|
case EXPERIENCE_BOTTLE:
|
|
case ENDER_PEARL:
|
|
case POTION:
|
|
case SNOWBALL:
|
|
this.gravityAcceleration = 0.03;
|
|
break;
|
|
// 0.04
|
|
case BOAT:
|
|
case TNT:
|
|
case FALLING_BLOCK:
|
|
case ITEM:
|
|
case MINECART:
|
|
this.gravityAcceleration = 0.04;
|
|
break;
|
|
// 0.05
|
|
case ARROW:
|
|
case SPECTRAL_ARROW:
|
|
case TRIDENT:
|
|
this.gravityAcceleration = 0.05;
|
|
break;
|
|
// 0.06
|
|
case LLAMA_SPIT:
|
|
this.gravityAcceleration = 0.06;
|
|
break;
|
|
// 0.1
|
|
case FIREBALL:
|
|
case WITHER_SKULL:
|
|
case DRAGON_FIREBALL:
|
|
this.gravityAcceleration = 0.1;
|
|
break;
|
|
// 0.08
|
|
default:
|
|
this.gravityAcceleration = 0.08;
|
|
break;
|
|
}
|
|
|
|
// Drag
|
|
switch (entityType) {
|
|
// 0
|
|
case BOAT:
|
|
this.gravityDragPerTick = 0;
|
|
break;
|
|
// 0.01
|
|
case LLAMA_SPIT:
|
|
case ENDER_PEARL:
|
|
case POTION:
|
|
case SNOWBALL:
|
|
case EGG:
|
|
case TRIDENT:
|
|
case SPECTRAL_ARROW:
|
|
case ARROW:
|
|
this.gravityDragPerTick = 0.01;
|
|
break;
|
|
// 0.05
|
|
case MINECART:
|
|
this.gravityDragPerTick = 0.05;
|
|
break;
|
|
// 0.08
|
|
case FISHING_BOBBER:
|
|
this.gravityDragPerTick = 0.08;
|
|
break;
|
|
// 0.02
|
|
default:
|
|
this.gravityDragPerTick = 0.02;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Applies knockback to the entity
|
|
*
|
|
* @param strength the strength of the knockback, 0.4 is the vanilla value for a bare hand hit
|
|
* @param x knockback on x axle, for default knockback use the following formula <pre>sin(attacker.yaw * (pi/180))</pre>
|
|
* @param z knockback on z axle, for default knockback use the following formula <pre>-cos(attacker.yaw * (pi/180))</pre>
|
|
*/
|
|
public void takeKnockback(final float strength, final double x, final double z) {
|
|
if (strength > 0) {
|
|
//TODO check possible side effects of unnatural TPS (other than 20TPS)
|
|
final Vec velocityModifier = new Vec(x, z)
|
|
.normalize()
|
|
.mul(strength * MinecraftServer.TICK_PER_SECOND / 2);
|
|
setVelocity(new Vec(velocity.x() / 2d - velocityModifier.x(),
|
|
onGround ? Math.min(.4d, velocity.y() / 2d + strength) * MinecraftServer.TICK_PER_SECOND : velocity.y(),
|
|
velocity.z() / 2d - velocityModifier.z()
|
|
));
|
|
}
|
|
}
|
|
|
|
public enum Pose {
|
|
STANDING,
|
|
FALL_FLYING,
|
|
SLEEPING,
|
|
SWIMMING,
|
|
SPIN_ATTACK,
|
|
SNEAKING,
|
|
DYING
|
|
}
|
|
|
|
protected boolean shouldRemove() {
|
|
return shouldRemove;
|
|
}
|
|
}
|