@jsprismarine/prismarine/dist/world/providers/filesystem/Filesystem.es.js

Dedicated Minecraft Bedrock Edition server written in TypeScript

import BinaryStream from '@jsprismarine/jsbinaryutils';
import fs from 'node:fs';
import path from 'node:path';
import Chunk from '../../chunk/Chunk.es.js';
import BaseProvider from '../BaseProvider.es.js';

class Filesystem extends BaseProvider {
  constructor(folderPath, server) {
    super(folderPath, server);
    if (!fs.existsSync(path.join(this.getPath(), "chunks"))) fs.mkdirSync(path.join(this.getPath(), "chunks"));
  }
  async readChunk(cx, cz, seed, generator, config) {
    try {
      const buffer = Buffer.from(
        await fs.promises.readFile(path.join(this.getPath(), "chunks", `${cx}_${cz}.dat`), {
          flag: "r",
          encoding: "utf-8"
        })
      );
      return Chunk.networkDeserialize(new BinaryStream(buffer), cx, cz);
    } catch {
      return generator.generateChunk(cx, cz, seed, config);
    }
  }
  /**
   * @TODO: format version, entities etc.
   */
  async writeChunk(chunk) {
    await fs.promises.writeFile(
      path.join(this.getPath(), "chunks", `${chunk.getX()}_${chunk.getZ()}.dat`),
      chunk.networkSerialize(),
      { flag: "w+", encoding: "utf-8", flush: true }
    );
  }
}

export { Filesystem as default };
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