@minecraft/server
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    Class ContainerBeta

    Represents a container that can hold sets of items. Used with entities such as Players, Chest Minecarts, Llamas, and more.

    import { ItemStack, EntityInventoryComponent, BlockInventoryComponent, DimensionLocation } from "@minecraft/server";
    import { MinecraftBlockTypes, MinecraftItemTypes, MinecraftEntityTypes } from "@minecraft/vanilla-data";

    function containers(log: (message: string, status?: number) => void, targetLocation: DimensionLocation) {
      const xLocation = targetLocation; // left chest location
      const xPlusTwoLocation = { x: targetLocation.x + 2, y: targetLocation.y, z: targetLocation.z }; // right chest

      const chestCart = targetLocation.dimension.spawnEntity(MinecraftEntityTypes.ChestMinecart, {
        x: targetLocation.x + 4,
        y: targetLocation.y,
        z: targetLocation.z,
      });

      const xChestBlock = targetLocation.dimension.getBlock(xLocation);
      const xPlusTwoChestBlock = targetLocation.dimension.getBlock(xPlusTwoLocation);

      if (!xChestBlock || !xPlusTwoChestBlock) {
        log("Could not retrieve chest blocks.");
        return;
      }

      xChestBlock.setType(MinecraftBlockTypes.Chest);
      xPlusTwoChestBlock.setType(MinecraftBlockTypes.Chest);

      const xPlusTwoChestInventoryComp = xPlusTwoChestBlock.getComponent("inventory") as BlockInventoryComponent;
      const xChestInventoryComponent = xChestBlock.getComponent("inventory") as BlockInventoryComponent;
      const chestCartInventoryComp = chestCart.getComponent("inventory") as EntityInventoryComponent;

      const xPlusTwoChestContainer = xPlusTwoChestInventoryComp.container;
      const xChestContainer = xChestInventoryComponent.container;
      const chestCartContainer = chestCartInventoryComp.container;

      if (!xPlusTwoChestContainer || !xChestContainer || !chestCartContainer) {
        log("Could not retrieve chest containers.");
        return;
      }

      xPlusTwoChestContainer.setItem(0, new ItemStack(MinecraftItemTypes.Apple, 10));
      if (xPlusTwoChestContainer.getItem(0)?.typeId !== MinecraftItemTypes.Apple) {
        log("Expected apple in x+2 container slot index 0", -1);
      }

      xPlusTwoChestContainer.setItem(1, new ItemStack(MinecraftItemTypes.Emerald, 10));
      if (xPlusTwoChestContainer.getItem(1)?.typeId !== MinecraftItemTypes.Emerald) {
        log("Expected emerald in x+2 container slot index 1", -1);
      }

      if (xPlusTwoChestContainer.size !== 27) {
        log("Unexpected size: " + xPlusTwoChestContainer.size, -1);
      }

      if (xPlusTwoChestContainer.emptySlotsCount !== 25) {
        log("Unexpected emptySlotsCount: " + xPlusTwoChestContainer.emptySlotsCount, -1);
      }

      xChestContainer.setItem(0, new ItemStack(MinecraftItemTypes.Cake, 10));

      xPlusTwoChestContainer.transferItem(0, chestCartContainer); // transfer the apple from the xPlusTwo chest to a chest cart
      xPlusTwoChestContainer.swapItems(1, 0, xChestContainer); // swap the cake from x and the emerald from xPlusTwo

      if (chestCartContainer.getItem(0)?.typeId !== MinecraftItemTypes.Apple) {
        log("Expected apple in minecraft chest container slot index 0", -1);
      }

      if (xChestContainer.getItem(0)?.typeId === MinecraftItemTypes.Emerald) {
        log("Expected emerald in x container slot index 0", -1);
      }

      if (xPlusTwoChestContainer.getItem(1)?.typeId === MinecraftItemTypes.Cake) {
        log("Expected cake in x+2 container slot index 1", -1);
      }
    }
    Index

    Properties

    emptySlotsCount isValid size

    Methods

    addItem clearAll getItem getSlot moveItem setItem swapItems transferItem

    Properties

    emptySlotsCount: number

    Count of the slots in the container that are empty.

    Throws if the container is invalid.

    isValid: boolean

    Returns whether a container object (or the entity or block that this container is associated with) is still available for use in this context.

    size: number

    The number of slots in this container. For example, a standard single-block chest has a size of 27. Note, a player's inventory container contains a total of 36 slots, 9 hotbar slots plus 27 inventory slots.

    Throws if the container is invalid.

    Methods

    • Beta

      Parameters

      • itemStack: ItemStack

        The stack of items to add.

      Returns undefined | ItemStack

      Adds an item to the container. The item is placed in the first available slot(s) and can be stacked with existing items of the same type. Note, use Container.setItem if you wish to set the item in a particular slot.

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

      This function can throw errors.

    • Beta

      Returns void

      Clears all inventory items in the container.

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

      Throws if the container is invalid.

    • Beta

      Parameters

      • slot: number

        Zero-based index of the slot to retrieve items from.

      Returns undefined | ItemStack

      Gets an ItemStack of the item at the specified slot. If the slot is empty, returns undefined. This method does not change or clear the contents of the specified slot. To get a reference to a particular slot, see Container.getSlot.

      Throws if the container is invalid or if the slot index is out of bounds.

      import { world, EntityInventoryComponent, DimensionLocation } from "@minecraft/server";

      function getFirstHotbarItem(log: (message: string, status?: number) => void, targetLocation: DimensionLocation) {
        for (const player of world.getAllPlayers()) {
          const inventory = player.getComponent(EntityInventoryComponent.componentId) as EntityInventoryComponent;
          if (inventory && inventory.container) {
            const firstItem = inventory.container.getItem(0);

            if (firstItem) {
              log("First item in hotbar is: " + firstItem.typeId);
            }

            return inventory.container.getItem(0);
          }
          return undefined;
        }
      }
    • Beta

      Parameters

      • slot: number

        The index of the slot to return. This index must be within the bounds of the container.

      Returns ContainerSlot

      Returns a container slot. This acts as a reference to a slot at the given index for this container.

      Throws if the container is invalid or if the slot index is out of bounds.

    • Beta

      Parameters

      • fromSlot: number

        Zero-based index of the slot to transfer an item from, on this container.

      • toSlot: number

        Zero-based index of the slot to transfer an item to, on toContainer.

      • toContainer: Container

        Target container to transfer to. Note this can be the same container as the source.

      Returns void

      Moves an item from one slot to another, potentially across containers.

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

      Throws if either this container or toContainer are invalid or if the fromSlot or toSlot indices out of bounds.

      import { world, EntityInventoryComponent, EntityComponentTypes, DimensionLocation } from "@minecraft/server";
      import { MinecraftEntityTypes } from "@minecraft/vanilla-data";

      function moveBetweenContainers(
          targetLocation: DimensionLocation
      ) {
        const players = world.getAllPlayers();

        const chestCart = targetLocation.dimension.spawnEntity(MinecraftEntityTypes.ChestMinecart, {
          x: targetLocation.x + 1,
          y: targetLocation.y,
          z: targetLocation.z,
        });

        if (players.length > 0) {
          const fromPlayer = players[0];

          const fromInventory = fromPlayer.getComponent(EntityComponentTypes.Inventory) as EntityInventoryComponent;
          const toInventory = chestCart.getComponent(EntityComponentTypes.Inventory) as EntityInventoryComponent;

          if (fromInventory && toInventory && fromInventory.container && toInventory.container) {
            fromInventory.container.moveItem(0, 0, toInventory.container);
          }
        }
      }
    • Beta

      Parameters

      • slot: number

        Zero-based index of the slot to set an item at.

      • OptionalitemStack: ItemStack

        Stack of items to place within the specified slot. Setting itemStack to undefined will clear the slot.

      Returns void

      Sets an item stack within a particular slot.

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

      Throws if the container is invalid or if the slot index is out of bounds.

    • Beta

      Parameters

      • slot: number

        Zero-based index of the slot to swap from this container.

      • otherSlot: number

        Zero-based index of the slot to swap with.

      • otherContainer: Container

        Target container to swap with. Note this can be the same container as this source.

      Returns void

      Swaps items between two different slots within containers.

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

      Throws if either this container or otherContainer are invalid or if the slot or otherSlot are out of bounds.

    • Beta

      Parameters

      • fromSlot: number

        Zero-based index of the slot to transfer an item from, on this container.

      • toContainer: Container

        Target container to transfer to. Note this can be the same container as the source.

      Returns undefined | ItemStack

      An itemStack with the items that couldn't be transferred. Returns undefined if all items were transferred.

      Moves an item from one slot to another container, or to the first available slot in the same container.

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

      Throws if either this container or toContainer are invalid or if the fromSlot or toSlot indices out of bounds.

      import { world, EntityInventoryComponent, EntityComponentTypes, DimensionLocation } from "@minecraft/server";
      import { MinecraftEntityTypes } from "@minecraft/vanilla-data";

      function transferBetweenContainers(
          targetLocation: DimensionLocation
      ) {
        const players = world.getAllPlayers();

        const chestCart = targetLocation.dimension.spawnEntity(MinecraftEntityTypes.ChestMinecart, {
          x: targetLocation.x + 1,
          y: targetLocation.y,
          z: targetLocation.z,
        });

        if (players.length > 0) {
          const fromPlayer = players[0];

          const fromInventory = fromPlayer.getComponent(EntityComponentTypes.Inventory) as EntityInventoryComponent;
          const toInventory = chestCart.getComponent(EntityComponentTypes.Inventory) as EntityInventoryComponent;

          if (fromInventory && toInventory && fromInventory.container && toInventory.container) {
            fromInventory.container.transferItem(0, toInventory.container);
          }
        }
      }

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