Script API - v1.20.30
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    Represents the state of an entity (a mob, the player, or other moving objects like minecarts) in the world.

    Hierarchy (View Summary)

    Index

    Properties

    dimension: Dimension

    Dimension that the entity is currently within.

    This property can throw when used.

    id: string

    Unique identifier of the entity. This identifier is intended to be consistent across loads of a world instance. No meaning should be inferred from the value and structure of this unique identifier - do not parse or interpret it. This property is accessible even if Entity.isValid is false.

    location: Vector3

    Current location of the entity.

    This property can throw when used.

    nameTag: string

    Given name of the entity.

    This property can't be edited in read-only mode.

    scoreboardIdentity?: ScoreboardIdentity

    Returns a scoreboard identity that represents this entity. Will remain valid when the entity is killed.

    typeId: string

    Identifier of the type of the entity - for example, 'minecraft:skeleton'. This property is accessible even if Entity.isValid is false.

    Methods

    • Parameters

      • effectType: string | EffectType

        Type of effect to add to the entity.

      • duration: number

        Amount of time, in ticks, for the effect to apply. There are 20 ticks per second. Use TicksPerSecond constant to convert between ticks and seconds. The value must be within the range [0, 20000000].

      • Optionaloptions: EntityEffectOptions

        Additional options for the effect.

      Returns void

      Returns nothing if the effect was added or updated successfully. This can throw an error if the duration or amplifier are outside of the valid ranges, or if the effect does not exist.

      Adds or updates an effect, like poison, to the entity.

      This function can't be called in read-only mode.

      This function can throw errors.

      const villagerId = 'minecraft:villager_v2<minecraft:ageable_grow_up>';
      const villagerLoc: mc.Vector3 = { x: 1, y: 2, z: 1 };
      const villager = test.spawn(villagerId, villagerLoc);
      const duration = 20;

      villager.addEffect(EffectTypes.get('poison'), duration, { amplifier: 1 });
      const overworld = mc.world.getDimension("overworld");

      const fox = overworld.spawnEntity("minecraft:fox", {
      x: targetLocation.x + 1,
      y: targetLocation.y + 2,
      z: targetLocation.z + 3,
      });

      fox.addEffect("speed", 10, {
      amplifier: 2,
      });
      log("Created a fox.");

      const wolf = overworld.spawnEntity("minecraft:wolf", {
      x: targetLocation.x + 4,
      y: targetLocation.y + 2,
      z: targetLocation.z + 3,
      });
      wolf.addEffect("slowness", 10, {
      amplifier: 2,
      });
      wolf.isSneaking = true;
      log("Created a sneaking wolf.", 1);
    • Parameters

      • tag: string

        Content of the tag to add. The tag must be less than 256 characters.

      Returns boolean

      Returns true if the tag was added successfully. This can fail if the tag already exists on the entity.

      Adds a specified tag to an entity.

      This function can't be called in read-only mode.

      This function can throw errors.

      let mobs = ["creeper", "skeleton", "sheep"];

      // create some sample mob data
      for (let i = 0; i < 10; i++) {
      let mobTypeId = mobs[i % mobs.length];
      let entity = overworld.spawnEntity(mobTypeId, targetLocation);
      entity.addTag("mobparty." + mobTypeId);
      }

      let eqo: mc.EntityQueryOptions = {
      tags: ["mobparty.skeleton"],
      };

      for (let entity of overworld.getEntities(eqo)) {
      entity.kill();
      }
    • Parameters

      Returns boolean

      Whether the entity takes any damage. This can return false if the entity is invulnerable or if the damage applied is less than or equal to 0.

      Applies a set of damage to an entity.

      This function can't be called in read-only mode.

      This function can throw errors.

      const skelly = overworld.spawnEntity("minecraft:skeleton", targetLocation);

      skelly.applyDamage(19); // skeletons have max damage of 20 so this is a near-death skeleton

      mc.system.runTimeout(() => {
      let health = skelly.getComponent("health") as mc.EntityHealthComponent;
      log("Skeleton health before heal: " + health.currentValue);
      health.resetToMaxValue();
      log("Skeleton health after heal: " + health.currentValue);
      }, 20);
      import { world, EntityDamageCause } from "@minecraft/server";
      const player = world.getAllPlayers()[0];
      player.applyDamage(1000, {
      cause: EntityDamageCause.wither,
      });
      const damageApplied = entity.applyDamage(10);
      console.log(`Damage applied: ${damageApplied}`);
    • Parameters

      Returns void

      Applies impulse vector to the current velocity of the entity.

      This function can't be called in read-only mode.

      This function can throw errors.

      const zombie = overworld.spawnEntity("minecraft:zombie", targetLocation);

      zombie.clearVelocity();

      // throw the zombie up in the air
      zombie.applyImpulse({ x: 0, y: 0.5, z: 0 });
    • Parameters

      • directionX: number

        X direction in horizontal plane.

      • directionZ: number

        Z direction in horizontal plane.

      • horizontalStrength: number

        Knockback strength for the horizontal vector.

      • verticalStrength: number

        Knockback strength for the vertical vector.

      Returns void

      Applies impulse vector to the current velocity of the entity.

      This function can't be called in read-only mode.

      This function can throw errors.

      let mobs = ["creeper", "skeleton", "sheep"];

      // create some sample mob data
      for (let i = 0; i < 10; i++) {
      overworld.spawnEntity(mobs[i % mobs.length], targetLocation);
      }

      let eqo: mc.EntityQueryOptions = {
      type: "skeleton",
      };

      for (let entity of overworld.getEntities(eqo)) {
      entity.applyKnockback(0, 0, 0, 1);
      }
    • Returns void

      Sets the current velocity of the Entity to zero. Note that this method may not have an impact on Players.

      This function can't be called in read-only mode.

      This function can throw errors.

      const zombie = overworld.spawnEntity("minecraft:zombie", targetLocation);

      zombie.clearVelocity();

      // throw the zombie up in the air
      zombie.applyImpulse({ x: 0, y: 0.5, z: 0 });
    • Parameters

      Returns BlockRaycastHit

      Returns the first intersecting block from the direction that this entity is looking at.

      Returns the first intersecting block from the direction that this entity is looking at.

      This function can throw errors.

      const blockHit = entity.getBlockFromViewDirection();

      if (blockHit) {
      console.log("Block Hit:");
      console.log("Block:", blockHit.block);
      console.log("Face:", blockHit.face);
      console.log("Face Location:", JSON.stringify(blockHit.faceLocation));
      } else {
      console.log("No block in view direction.");
      }
      import { BlockPermutation, world } from "@minecraft/server";

      const entity = world
      .getDimension("overworld")
      .spawnEntity("minecraft:fox", { x: 0, y: 0, z: 0 });
      const blockHit = entity.getBlockFromViewDirection();

      if (blockHit) {
      blockHit.block.setPermutation(
      BlockPermutation.resolve("minecraft:bedrock")
      );
      } else {
      console.log("No block in view direction.");
      }
    • Parameters

      • componentId: string

        The identifier of the component (e.g., 'minecraft:rideable') to retrieve. If no namespace prefix is specified, 'minecraft:' is assumed. If the component is not present on the entity, undefined is returned.

      Returns EntityComponent

      Returns the component if it exists on the entity, otherwise undefined.

      Gets a component (that represents additional capabilities) for an entity.

      const getEntityHealthComponent = entity.getComponent("health");
      getEntityHealthComponent.currentValue;
      getEntityHealthComponent.defaultValue;
      getEntityHealthComponent.effectiveMax;
      getEntityHealthComponent.effectiveMin;
      getEntityHealthComponent.resetToDefaultValue();
      getEntityHealthComponent.resetToMaxValue();
      getEntityHealthComponent.resetToMinValue();
      getEntityHealthComponent.setCurrentValue(100); // Assuming 100 as an example value

      // Custom function to check if the health attribute is within a valid range
      function isValidHealthValue(value) {
      return (
      value >= getEntityHealthComponent.effectiveMin &&
      value <= getEntityHealthComponent.effectiveMax
      );
      }

      // Example usage of the custom isValidHealthValue function
      const newHealthValue = 80;
      if (isValidHealthValue(newHealthValue)) {
      getEntityHealthComponent.setCurrentValue(newHealthValue);
      }
      const getEntityInventoryComponent = entity.getComponent("inventory");
      getEntityInventoryComponent.additionalSlotsPerStrength;
      getEntityInventoryComponent.canBeSiphonedFrom;
      const inventoryContainer = getEntityInventoryComponent.container;
      getEntityInventoryComponent.containerType;
      getEntityInventoryComponent.inventorySize;
      getEntityInventoryComponent.private;
      getEntityInventoryComponent.restrictToOwner;
      getEntityInventoryComponent.isValid();

      // Custom function to add an item to the inventory
      function addItemToInventory(itemStack) {
      return inventoryContainer.addItem(itemStack);
      }

      // Custom function to move an item within the inventory
      function moveItemWithinInventory(fromSlot, toSlot) {
      inventoryContainer.moveItem(fromSlot, toSlot, inventoryContainer);
      }

      // Custom function to transfer an item from inventory to another container
      function transferItemToContainer(fromSlot, targetContainer) {
      return inventoryContainer.transferItem(fromSlot, targetContainer);
      }

      // Example usage of the custom functions
      const newItemStack = new ItemStack("apple", 10); // Assuming "apple" is a valid item
      const addedItem = addItemToInventory(newItemStack);
      if (addedItem) {
      console.log("Item added to inventory:", addedItem);
      }

      const sourceSlot = 2;
      const destinationSlot = 5;
      moveItemWithinInventory(sourceSlot, destinationSlot);

      const targetContainer = someOtherContainer; // Assuming 'someOtherContainer' is an instance of another container
      const transferredItem = transferItemToContainer(0, targetContainer);
      if (transferredItem) {
      console.log("Item transferred to another container:", transferredItem);
      }
      const getEntityItemComponent = itemEntity.getComponent("item");
      getEntityItemComponent.itemStack;
      getEntityItemComponent.isValid();
    • Returns EntityComponent[]

      Returns all components that are both present on this entity and supported by the API.

      Returns all components that are both present on this entity and supported by the API.

      const components = entity.getComponents();
      console.log(
      `Number of components: ${components.length}: ${components.map(
      (component) => component.typeId
      )}`
      );
    • Parameters

      • effectType: string | EffectType

        The effect identifier.

      Returns Effect

      Effect object for the specified effect, undefined if the effect is not present, or throws an error if the effect does not exist.

      Returns the effect for the specified EffectType on the entity, undefined if the effect is not present, or throws an error if the effect does not exist.

      This function can throw errors.

    • Returns Effect[]

      List of effects.

      Returns a set of effects applied to this entity.

      This function can throw errors.

    • Parameters

      Returns EntityRaycastHit[]

      Returns a set of entities from the direction that this entity is looking at.

      Gets the entities that this entity is looking at by performing a ray cast from the view of this entity.

      This function can throw errors.

    • Returns Vector3

      Returns the current location of the head component of this entity.

      Returns the current location of the head component of this entity.

      This function can throw errors.

    • Returns string[]

      Returns the current rotation component of this entity.

      Returns all tags associated with an entity.

      This function can throw errors.

    • Returns Vector3

      Returns the current velocity vector of the entity.

      Returns the current velocity vector of the entity.

      This function can throw errors.

      const fireworkRocket = overworld.spawnEntity("minecraft:fireworks_rocket", targetLocation);

      mc.system.runTimeout(() => {
      let velocity = fireworkRocket.getVelocity();

      log("Velocity of firework is: (x: " + velocity.x + ", y:" + velocity.y + ", z:" + velocity.z + ")");
      }, 5);
    • Returns Vector3

      Returns the current view direction of the entity.

      Returns the current view direction of the entity.

      This function can throw errors.

    • Parameters

      • componentId: string

        The identifier of the component (e.g., 'minecraft:rideable') to retrieve. If no namespace prefix is specified, 'minecraft:' is assumed.

      Returns boolean

      Returns true if the specified component is present on this entity.

      Returns true if the specified component is present on this entity.

      entity.hasComponent("tameable");
      entity.hasComponent("inventory");
      entity.hasComponent("addrider");
      entity.hasComponent("is_tamed");
    • Parameters

      • tag: string

        Identifier of the tag to test for.

      Returns boolean

      Returns whether an entity has a particular tag.

      Returns whether an entity has a particular tag.

      This function can throw errors.

    • Returns boolean

      Whether the entity is valid.

      Returns whether the entity can be manipulated by script. A Player is considered valid when it's EntityLifetimeState is set to Loaded.

    • Returns boolean

      Returns true if entity can be killed (even if it is already dead), otherwise it returns false.

      Kills this entity. The entity will drop loot as normal.

      This function can't be called in read-only mode.

      This function can throw errors.

      let mobs = ["creeper", "skeleton", "sheep"];

      // create some sample mob data
      for (let i = 0; i < 10; i++) {
      let mobTypeId = mobs[i % mobs.length];
      let entity = overworld.spawnEntity(mobTypeId, targetLocation);
      entity.addTag("mobparty." + mobTypeId);
      }

      let eqo: mc.EntityQueryOptions = {
      tags: ["mobparty.skeleton"],
      };

      for (let entity of overworld.getEntities(eqo)) {
      entity.kill();
      }
    • Parameters

      • effectType: string | EffectType

        The effect identifier.

      Returns boolean

      Returns true if the effect has been removed. Returns false if the effect is not found or does not exist.

      Removes the specified EffectType on the entity, or returns false if the effect is not present.

      This function can't be called in read-only mode.

      This function can throw errors.

    • Parameters

      • tag: string

        Content of the tag to remove.

      Returns boolean

      Returns whether the tag existed on the entity.

      Removes a specified tag from an entity.

      This function can't be called in read-only mode.

      This function can throw errors.

    • Parameters

      • commandString: string

        The command string. Note: This should not include a leading forward slash.

      Returns CommandResult

      A command result containing whether the command was successful.

      Runs a synchronous command on the entity.

      This function can't be called in read-only mode.

      This function can throw errors.

      CommandError

      Error

    • Parameters

      • commandString: string

        Command to run. Note that command strings should not start with slash.

      Returns Promise<CommandResult>

      For commands that return data, returns a JSON structure with command response values.

      Runs a particular command asynchronously from the context of this entity. Note that there is a maximum queue of 128 asynchronous commands that can be run in a given tick.

      This function can throw errors.

    • Parameters

      • location: Vector3

        New location for the entity.

      • OptionalteleportOptions: TeleportOptions

        Options regarding the teleport operation.

      Returns void

      Teleports the selected entity to a new location

      This function can't be called in read-only mode.

      This function can throw errors.

      const pig = overworld.spawnEntity("minecraft:pig", targetLocation);

      let inc = 1;
      let runId = mc.system.runInterval(() => {
      pig.teleport(
      { x: targetLocation.x + inc / 4, y: targetLocation.y + inc / 4, z: targetLocation.z + inc / 4 },
      {
      facingLocation: targetLocation,
      }
      );

      if (inc > 100) {
      mc.system.clearRun(runId);
      }
      inc++;
      }, 4);
      player.teleport(
      { x: 0, y: 0, z: 0 },
      { dimension: world.getDimension("nether") }
      );
      player.teleport(
      { x: 0, y: 0, z: 0 },
      {
      dimension: world.getDimension("nether"),
      teleportFacing: { x: 100, y: 100, z: 100 },
      }
      );
    • Parameters

      • eventName: string

        Name of the entity type event to trigger. If a namespace is not specified, minecraft: is assumed.

      Returns void

      Triggers an entity type event. For every entity, a number of events are defined in an entities' definition for key entity behaviors; for example, creepers have a minecraft:start_exploding type event.

      This function can't be called in read-only mode.

      If the event is not defined in the definition of the entity, an error will be thrown.

      const creeper = overworld.spawnEntity("minecraft:creeper", targetLocation);

      creeper.triggerEvent("minecraft:start_exploding_forced");
    • Parameters

      • location: Vector3

        Location to teleport the entity to.

      • OptionalteleportOptions: TeleportOptions

        Options regarding the teleport operation.

      Returns boolean

      Returns whether the teleport succeeded. This can fail if the destination chunk is unloaded or if the teleport would result in intersecting with blocks.

      Attempts to try a teleport, but may not complete the teleport operation (for example, if there are blocks at the destination.)

      This function can't be called in read-only mode.

      This function can throw errors.