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A plugin API for Minecraft: Java Edition
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/*
* This file is part of SpongeAPI, licensed under the MIT License (MIT).
*
* Copyright (c) SpongePowered
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.spongepowered.api.entity;
import net.kyori.adventure.sound.Sound;
import net.kyori.adventure.text.Component;
import net.kyori.adventure.text.event.HoverEvent;
import net.kyori.adventure.text.event.HoverEventSource;
import org.spongepowered.api.data.Keys;
import org.spongepowered.api.data.SerializableDataHolder;
import org.spongepowered.api.data.value.ListValue;
import org.spongepowered.api.data.value.SetValue;
import org.spongepowered.api.data.value.Value;
import org.spongepowered.api.effect.VanishState;
import org.spongepowered.api.event.cause.entity.damage.source.DamageSource;
import org.spongepowered.api.projectile.source.EntityProjectileSource;
import org.spongepowered.api.util.AABB;
import org.spongepowered.api.util.Identifiable;
import org.spongepowered.api.util.RandomProvider;
import org.spongepowered.api.util.RelativePositions;
import org.spongepowered.api.util.Ticks;
import org.spongepowered.api.util.Transform;
import org.spongepowered.api.util.annotation.DoNotStore;
import org.spongepowered.api.world.Locatable;
import org.spongepowered.api.world.World;
import org.spongepowered.api.world.schematic.Schematic;
import org.spongepowered.api.world.server.ServerLocation;
import org.spongepowered.api.world.server.ServerWorld;
import org.spongepowered.math.imaginary.Quaterniond;
import org.spongepowered.math.vector.Vector3d;
import java.util.Collection;
import java.util.EnumSet;
import java.util.Objects;
import java.util.Optional;
import java.util.UUID;
import java.util.function.Predicate;
import java.util.function.Supplier;
import java.util.function.UnaryOperator;
/**
* An entity is a Minecraft entity.
*
* Examples of entities include:
*
*
* - Zombies
* - Sheep
* - Players
* - Dropped items
* - Dropped experience points
* - etc.
*
*
* Blocks and items (when they are in inventories) are not entities.
*/
@SuppressWarnings("deprecation")
@DoNotStore
public interface Entity extends Identifiable, HoverEventSource, Locatable, EntityProjectileSource, Sound.Emitter,
SerializableDataHolder.Mutable, RandomProvider {
/**
* Gets the {@link EntityType}.
*
* @return The type
*/
EntityType type();
/**
* Creates an {@link EntitySnapshot}.
*
* @return The snapshot
*/
EntitySnapshot createSnapshot();
@Override
Entity copy();
/**
* Creates an {@link EntityArchetype} for use with {@link Schematic}s.
*
* @return The archetype
*/
EntityArchetype createArchetype();
/**
* Gets the position of this entity
*
* @return The position of this entity
*/
Vector3d position();
/**
* Sets the position of this entity.
*
* @param position The position to set
* @return True if set, false if not
*/
boolean setPosition(Vector3d position);
/**
* Sets the location of this entity.
*
* @param location The location to set
* @return True if location was set successfully, false otherwise
*/
boolean setLocation(ServerLocation location);
/**
* Gets the rotation.
*
* The format of the rotation is represented by:
*
* {@code x -> pitch}, {@code y -> yaw}, {@code z -> roll}
*
* @return The rotation
*/
Vector3d rotation();
/**
* Sets the rotation of this entity.
*
* The format of the rotation is represented by:
*
* {@code x -> pitch}, {@code y -> yaw}, {@code z -> roll}
*
* @param rotation The rotation to set the entity to
*/
void setRotation(Vector3d rotation);
/**
* Gets the unit vector representing the direction of this entity.
*
* @return The direction
*/
default Vector3d direction() {
final Vector3d rotation = this.rotation();
return Quaterniond.fromAxesAnglesDeg(rotation.x(), -rotation.y(), rotation.z()).direction();
}
/**
* Moves the entity to the specified location and sets the rotation.
*
* The format of the rotation is represented by:
*
* {@code x -> pitch}, {@code y -> yaw}, {@code z -> roll}
*
* @param location The location to set
* @param rotation The rotation to set
* @return True if location was set successfully, false otherwise
*/
boolean setLocationAndRotation(ServerLocation location, Vector3d rotation);
/**
* Moves the entity to the specified location and sets the rotation.
* {@link RelativePositions} listed inside the EnumSet are considered
* relative.
*
* The format of the rotation is represented by:
*
* {@code x -> pitch}, {@code y -> yaw}, {@code z -> roll}
*
* @param location The location to set
* @param rotation The rotation to set
* @param relativePositions The coordinates to set relatively
* @return True if location was set successfully, false otherwise
*/
boolean setLocationAndRotation(ServerLocation location, Vector3d rotation, EnumSet relativePositions);
/**
* Gets the scale.
*
* @return The entity scale
*/
Vector3d scale();
/**
* Sets the scale.
*
* @param scale The scale
*/
void setScale(Vector3d scale);
/**
* Gets the {@link Transform}.
*
* @return The transform
*/
Transform transform();
/**
* Sets the {@link Transform}.
*
* @param transform The transform to set
* @return True if the transform was set successfully, false if the transform couldn't be set
*/
boolean setTransform(Transform transform);
/**
* Sets the {@link ServerLocation} of this entity to the {@link ServerWorld}'s spawn
* point.
*
* @param world The world to transfer to
* @return Whether the transfer was successful, returns false if the action
* is cancelled or not possible (eg. because the entity has been
* removed)
*/
default boolean transferToWorld(final ServerWorld world) {
Objects.requireNonNull(world, "World cannot be null");
return this.transferToWorld(world, world.properties().spawnPosition().toDouble());
}
/**
* Sets the {@link ServerLocation} of this entity to a new position in a world.
*
* @param world The world to transfer to
* @param position The position in the target world
* @return Whether the transfer was successful, returns false if the action
* is cancelled or not possible (eg. because the entity has been
* removed)
*/
boolean transferToWorld(ServerWorld world, Vector3d position);
/**
* Gets the entity's bounding box, usually for collisions and interaction.
* The box has an offset matching the entity's positions. That is to say, it
* is absolutely positioned and not relative to the entity.
*
* @return The axis aligned bounding box
*/
Optional boundingBox();
/**
* Returns whether this entity has been removed.
*
* @return True if this entity has been removed
*/
boolean isRemoved();
/**
* Returns whether this entity is still loaded in a world/chunk.
*
* @return True if this entity is still loaded
*/
boolean isLoaded();
/**
* Mark this entity for removal in the very near future, preferably
* within one game tick.
*/
void remove();
/**
* Damages this {@link Entity} with the given {@link DamageSource}.
*
* @param damage The damage to deal
* @param damageSource The cause of the damage
* @return True if damaging the entity was successful
*/
default boolean damage(final double damage, final Supplier damageSource) {
return this.damage(damage, damageSource.get());
}
/**
* Damages this {@link Entity} with the given {@link DamageSource}.
*
* @param damage The damage to deal
* @param damageSource The cause of the damage
* @return True if damaging the entity was successful
*/
boolean damage(double damage, DamageSource damageSource);
/**
* Gets the nearby entities within the desired distance.
*
* @see World#nearbyEntities(Vector3d, double)
* @param distance The distance
* @return The collection of nearby entities
*/
default Collection nearbyEntities(final double distance) {
if (distance <= 0) {
throw new IllegalArgumentException("Distance must be greater than 0!");
}
return this.world().nearbyEntities(this.location().position(), distance);
}
/**
* Gets the nearby entities that satisfy the desired predicate.
*
* @see World#entities(AABB, Predicate)
* @param distance The distance
* @param predicate The predicate to use
* @return The collection of entities
*/
default Collection nearbyEntities(final double distance, final Predicate predicate) {
Objects.requireNonNull(predicate, "Predicate cannot be null");
return this.world().entities(this.boundingBox().get().expand(distance, distance, distance), predicate);
}
/**
* Returns whether this entity can see the provided {@link Entity}.
*
* @param entity The entity to check visibility for
* @return {@code true} if this entity can see the provided entity
*/
default boolean canSee(final Entity entity) {
Objects.requireNonNull(entity, "Entity cannot be null");
final Optional optional = entity.get(Keys.VANISH_STATE);
return !optional.map(VanishState::invisible).orElse(false);
}
/**
* Makes the entity look at the specified target position.
*
* @param targetPos Position to target
*/
void lookAt(Vector3d targetPos);
/**
* {@link Keys#DISPLAY_NAME}
*
* @return The display name of this entity
*/
default Value.Mutable displayName() {
return this.requireValue(Keys.DISPLAY_NAME).asMutable();
}
/**
* {@link Keys#FALL_DISTANCE}
*
* @return The fall distance
*/
default Value.Mutable fallDistance() {
return this.requireValue(Keys.FALL_DISTANCE).asMutable();
}
/**
* {@link Keys#PASSENGERS}
*
* @return The list of passengers that may be riding this entity
*/
default ListValue.Mutable passengers() {
return this.requireValue(Keys.PASSENGERS).asMutable();
}
/**
* {@link Keys#VEHICLE}
*
* @return The vehicle this entity may be riding
*/
default Optional> vehicle() {
return this.getValue(Keys.VEHICLE).map(Value::asMutable);
}
/**
* {@link Keys#BASE_VEHICLE}
*
* @return The "base vehicle" of the entity vehicle riding chain
*/
default Optional> baseVehicle() {
return this.getValue(Keys.BASE_VEHICLE).map(Value::asMutable);
}
/**
* {@link Keys#ON_GROUND}
*
* @return Whether this entity is on the ground
*/
default Value onGround() {
return this.requireValue(Keys.ON_GROUND).asMutable();
}
/**
* {@link Keys#VELOCITY}
*
* @return The velocity of this entity
*/
default Value.Mutable velocity() {
return this.requireValue(Keys.VELOCITY).asMutable();
}
/**
* {@link Keys#IS_GRAVITY_AFFECTED}
*
* @return Whether this entity is affected by gravity
*/
default Value.Mutable gravityAffected() {
return this.requireValue(Keys.IS_GRAVITY_AFFECTED).asMutable();
}
/**
* {@link Keys#IS_SILENT}
*
* @return Whether this entity is silent
*/
default Value.Mutable silent() {
return this.requireValue(Keys.IS_SILENT).asMutable();
}
/**
* {@link Keys#CREATOR}
*
* @return The unique id of the creator of this entity
*/
default Optional> creator() {
return this.getValue(Keys.CREATOR).map(Value::asMutable);
}
/**
* {@link Keys#NOTIFIER}
*
* @return The unique id of the notifier of this entity
*/
default Optional> notifier() {
return this.getValue(Keys.NOTIFIER).map(Value::asMutable);
}
/**
* {@link Keys#FIRE_TICKS}
*
* @return The amount of time in ticks the entity is will continue burn for
*/
default Optional> fireTicks() {
return this.getValue(Keys.FIRE_TICKS).map(Value::asMutable);
}
/**
* {@link Keys#FIRE_DAMAGE_DELAY}
*
* @return The amount of time to delay in ticks before the entity will be burned by fire
*/
default Value.Mutable fireImmuneTicks() {
return this.requireValue(Keys.FIRE_DAMAGE_DELAY).asMutable();
}
/**
* {@link Keys#TRANSIENT}
*
* @return The transient state
*/
default Value.Mutable isTransient() {
return this.requireValue(Keys.TRANSIENT).asMutable();
}
/**
* {@link Keys#AGE}
*
* @return The age of this entity
*/
default Value.Mutable age() {
return this.requireValue(Keys.AGE).asMutable();
}
/**
* {@link Keys#BASE_SIZE}
*
* @return The base size of the entity
*/
default Value baseSize() {
return this.requireValue(Keys.BASE_SIZE);
}
/**
* {@link Keys#EYE_HEIGHT}
*
* @return The height of the eyes
*/
default Value eyeHeight() {
return this.requireValue(Keys.EYE_HEIGHT);
}
/**
* {@link Keys#EYE_POSITION}
*
* @return The position of the eyes
*/
default Value eyePosition() {
return this.requireValue(Keys.EYE_POSITION);
}
/**
* {@link Keys#HEIGHT}
*
* @return The height of the entity
*/
default Value height() {
return this.requireValue(Keys.HEIGHT);
}
/**
* {@link Keys#INVULNERABILITY_TICKS}
*
* @return The amount of ticks the entity will remain invulnerable for
*/
default Value.Mutable invulnerabilityTicks() {
return this.requireValue(Keys.INVULNERABILITY_TICKS).asMutable();
}
/**
* {@link Keys#IS_CUSTOM_NAME_VISIBLE}
*
* @return Whether a custom name is visible on the entity
*/
default Value.Mutable customNameVisible() {
return this.requireValue(Keys.IS_CUSTOM_NAME_VISIBLE).asMutable();
}
/**
* {@link Keys#IS_GLOWING}
*
* @return Whether the entity has a glowing outline
*/
default Value.Mutable glowing() {
return this.requireValue(Keys.IS_GLOWING).asMutable();
}
/**
* {@link Keys#IS_INVISIBLE}
*
* @return Whether the entity is currently invisible
*/
default Value.Mutable invisible() {
return this.requireValue(Keys.IS_INVISIBLE).asMutable();
}
/**
* {@link Keys#INVULNERABLE}
*
* @return Whether the entity is invulnerable
*/
default Value.Mutable invulnerable() {
return this.requireValue(Keys.INVULNERABLE).asMutable();
}
/**
* {@link Keys#IS_SNEAKING}
*
* @return Whether the entity is sneaking
*/
default Value.Mutable sneaking() {
return this.requireValue(Keys.IS_SNEAKING).asMutable();
}
/**
* {@link Keys#IS_SPRINTING}
*
* @return Whether the entity is sprinting
*/
default Value.Mutable sprinting() {
return this.requireValue(Keys.IS_SPRINTING).asMutable();
}
/**
* {@link Keys#IS_WET}
*
* @return Whether the entity is wet
*/
default Value wet() {
return this.requireValue(Keys.IS_WET).asMutable();
}
/**
* {@link Keys#MAX_AIR}
*
* @return The max air supply
*/
default Value.Mutable maxAir() {
return this.requireValue(Keys.MAX_AIR).asMutable();
}
/**
* {@link Keys#REMAINING_AIR}
*
* @return The remaining air supply
*/
default Value.Mutable remainingAir() {
return this.requireValue(Keys.REMAINING_AIR).asMutable();
}
/**
* {@link Keys#SCOREBOARD_TAGS}
*
* @return The scoreboard tags applied to the entity
*/
default SetValue.Mutable scoreboardTags() {
return this.requireValue(Keys.SCOREBOARD_TAGS).asMutable();
}
/**
* {@link Keys#VANISH_STATE}
*
* @return The current vanish state of the entity
*/
default Value.Mutable vanishState() {
return this.requireValue(Keys.VANISH_STATE).asMutable();
}
/**
* {@link Keys#CUSTOM_NAME}
*
* @return The custom name of the entity
*/
default Optional> customName() {
return this.getValue(Keys.CUSTOM_NAME).map(Value::asMutable);
}
/**
* {@link Keys#SWIFTNESS}
*
* @return The current swiftness of the entity
*/
default Optional> swiftness() {
return this.getValue(Keys.SWIFTNESS).map(Value::asMutable);
}
@Override
HoverEvent asHoverEvent(final UnaryOperator op);
}