const mc = require('minecraft-protocol') const Chunk = require('prismarine-chunk')('1.12.1') const Vec3 = require('vec3') var server = mc.createServer({ 'online-mode': true, encryption: true, host: '0.0.0.0', port: 25565, version: '1.12.1' }) var chunk = new Chunk() for (var x = 0; x < 16; x++) { for (var z = 0; z < 16; z++) { chunk.setBlockType(new Vec3(x, 100, z), 2) for (var y = 0; y < 256; y++) { chunk.setSkyLight(new Vec3(x, y, z), 15) } } } server.on('login', function (client) { client.write('login', { entityId: client.id, levelType: 'default', gameMode: 0, dimension: 0, difficulty: 2, maxPlayers: server.maxPlayers, reducedDebugInfo: false }) client.write('map_chunk', { x: 0, z: 0, groundUp: true, bitMap: 0xffff, chunkData: chunk.dump(), blockEntities: [] }) client.write('position', { x: 15, y: 101, z: 15, yaw: 137, pitch: 0, flags: 0x00 }) })