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1.0.0 • Public • Published

Resourcepack Module

Version made for Lumina projects. Original credits goes to Voxelum/minecraft-launcher-core-node

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Provide function to read resource pack.


Parse ResourcePack Basic Info

Read pack metadata from file:

import { ResourcePack, PackMeta } from '@createlumina/resourcepack';
const fileFullPath = 'path/to/pack/some-pack.zip';
const pack: PackMeta.Pack = await ResourcePack.readPackMeta(fileFullPath);
// or you want read from folder, same function call
const dirFullPath = 'path/to/pack/some-pack';
const fromFolder: PackMeta.Pack = await ResourcePack.readPackMeta(dirFullPath);

// if you have already read the file, don't want to reopen the file
// the file path will be only used for resource pack name
const fileContentBuffer: Buffer;
const fromBuff: PackMeta.Pack = await ResourcePack.readPackMeta(fileFullPath, fileContentBuffer);

Read pack icon:

import { ResourcePack, PackMeta } from '@createlumina/resourcepack';
const fileFullPath = 'path/to/pack/some-pack.zip';
const pack: Uint8Array = await ResourcePack.readIcon(fileFullPath);

Put them together in efficent way (don't open resource pack again and again):

import { ResourcePack, PackMeta } from '@createlumina/resourcepack';
const fileFullPath = 'path/to/pack/some-pack.zip';
const res = await ResourcePack.open(fileFullPath);
const pack: PackMeta.Pack = await ResourcePack.readPackMeta(res);
const icon: Uint8Array = await ResourcePack.readIcon(res);

// or

const pack: PackMeta.Pack = await res.info();
const icon: Uint8Array = await res.icon();

Read ResourcePack Content

You can read resource pack content just like Minecraft:

import { ResourcePack, ResourceLocation } from '@createlumina/resourcepack';
const fileFullPath = 'path/to/pack/some-pack.zip';
const pack: ResourcePack = await ResourcePack.open(fileFullPath);

// this is almost the same with original Minecraft
// this get the dirt texture png -> minecraft:textures/block/dirt.png
const resLocation: ResourceLocation = ResourceLocation.ofTexturePath('block/dirt');

console.log(resLocation); // minecraft:textures/block/dirt.png

const resource: Resource | undefined = await pack.get(resLocation);
if (resource) {
    const binaryContent: Uint8Array = await resource.read();
    // this is the metadata for resource, like animated texture metadata.
    const metadata: PackMeta = await resource.readMetadata();

Load Minecraft Block Model

You can use this to load Minecraft block model and texture just like Minecraft.

import { ResourcePack, Resource, BlockModel, ResourceManager, ModelLoader } from '@createlumina/resourcepack';
import { openFileSystem } from '@createlumina/system';

const man = new ResourceManager();
const resourcePack = new ResourcePack(await openFileSystem('/path/to/resource-pack.zip'));
// setup resource pack

const loader = new ModelLoader(man);

await loader.loadModel('block/grass'); // load grass model
await loader.loadModel('block/stone'); // load stone model
// ... load whatever you want model

const textures: Record<string, Resource> = loader.textures;
const models: Record<string, BlockModel.Resolved> = loader.models;

const resolvedModel: BlockModel.Resolved = models['block/grass'];

Load Minecraft Resource

You can use this module in nodejs/electron:

import { openFileSystem } from '@createlumina/system';
import { ResourcePack, Resource, ResourceManager, ResourceLocation } from '@createlumina/resourcepack';
const manager: ResourceManager = new ResourceManager();

// add a resource source which load resource from file
await manager.addResourcePack(new ResourcePack(await openFileSystem('/base/path')));

// load grass block model resource; it will load file at `assets/${location.domain}/${location.path}`
// which is '/base/path/assets/minecraft/models/block/grass.json'
// same logic with minecraft
const resource = await manager.get(ResourceLocation.ofModelPath('block/grass'));

const content: string = await resource.read('utf-8'); // your resource content
const modelJSON = JSON.parse(content);

The resource manager will do the simplest cache for same resource location.

You can clear the cache by:


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npm i @createlumina/resourcepack

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