minecraft-inventory-gui

minecraft-inventory-gui provides a GUI library to interact with minecraft inventories. It does not by itself implement any inventory logic such as clicks, shift clicking, etc. and this is left to the user. This allows the lib to be used in a wide variety of environments, and across different editions of the game.

At this moment in time, the usage for the library looks like this (ES6 import required, in the future we may export a WebComponent):

npm i minecraft-inventory-gui

import { CanvasEventManager } from 'minecraft-inventory-gui'
import * as InventoryWindows from 'minecraft-inventory-gui'

The CanvasEventManager provides an interface to interact with a DOM canvas and handles events such as cursor drags, clicks, etc.

InventoryWindows exposes many different windows such as CreateInventory, SurvivalInventory, etc. that can draw onto a CanvasEventManager instance.

const win = new InventoryWindows.PlayerWin(canvasManager, { getImage })

All of the InventoryWindows have a second dataProvider argument. This should have a getImage function that should return an Image instance, and take a "path" parameter. This function is called whenever an icon (such as a minecraft item or background image) needs to be rendered. It's then cached inside the renderer for that path.

Usage

An example implementation, hosted on Github Pages is found in web/ directory. This example does not connect with any minecraft protocol APIs, it simply simulates an offline inventory.

After an inventory is drawn to the screen, whenever the user interacts with the inventory, the the InventoryWindow emits itemEvent, click, and tooltip events. The notable one is itemEvent which is triggered every time an interaction with an item happens in the inventory.

on('itemEvent', id, type, pos, data)

id - the ID of the element which triggered the event
type the specific action that occurred, click, doubleClick, rightClick, release.
pos the X and Y canvas position where the interaction occurred
data [container, slot] - Contains the string container ID where the interaction occurred and its slot. For example, the PlayerWin has a inventory 9x3 grid, clicking the second item would return ["survivalItems", 1].

Based on these emitted events, you can implement inventory logic ontop. Each of the InventoryWindows contain variables which contain arrays of items. You can update these arrays to update the items inside a specific container.

See https://github.com/extremeheat/minecraft-inventory-gui/blob/master/lib/inventories.mjs for a list of properties.

These adjustments should be automatically re-rendered by your render loop.

See https://github.com/extremeheat/minecraft-inventory-gui/tree/master/web for an example implementation.

WIP

Export an easier interface without here without needing the user to implement inventory logic, like the web/ example.

zardoy/minecraft-inventory-gui

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