Default createClient to latest version, fix server motd version (#144)

* Default createClient to latest version, fix server motd version

* Update vanilla.js

src/createClient.js

@@ -1,8 +1,9 @@
 const { Client } = require('./client')
 const { RakClient } = require('./rak')(true)
+const { Versions, CURRENT_VERSION } = require('./options')
+const { sleep } = require('./datatypes/util')
 const assert = require('assert')
 const advertisement = require('./server/advertisement')
-const { sleep } = require('./datatypes/util')
 
 /** @param {{ version?: number, host: string, port?: number, connectTimeout?: number, skipPing?: boolean }} options */
 function createClient (options) {
@@ -13,9 +14,9 @@ function createClient (options) {
     connect(client)
   } else { // Try to ping
     client.ping().then(data => {
-      const advert = advertisement.fromServerName(data)
-      console.log(`Connecting to server ${advert.motd} (${advert.name}), version ${advert.version}`)
-      client.options.version = options.version ?? advert.version
+      const ad = advertisement.fromServerName(data)
+      client.options.version = options.version ?? (Versions[ad.version] ? ad.version : CURRENT_VERSION)
+      console.log(`Connecting to server ${ad.motd} (${ad.name}), version ${ad.version}`, client.options.version !== ad.version ? ` (as ${client.options.version})` : undefined)
       connect(client)
     }, client)
   }

src/server.js

@@ -16,7 +16,7 @@ class Server extends EventEmitter {
 
     this.serializer = createSerializer(this.options.version)
     this.deserializer = createDeserializer(this.options.version)
-    this.advertisement = new ServerAdvertisement(this.options.motd)
+    this.advertisement = new ServerAdvertisement(this.options.motd, this.options.version)
     this.advertisement.playersMax = options.maxPlayers ?? 3
     /** @type {Object<string, Player>} */
     this.clients = {}

src/server/advertisement.js

@@ -3,16 +3,15 @@ const { Versions, CURRENT_VERSION } = require('../options')
 class ServerAdvertisement {
   motd = 'Bedrock Protocol Server'
   levelName = 'bedrock-protocol'
-  protocol = Versions[CURRENT_VERSION]
-  version = CURRENT_VERSION
   playersOnline = 0
   playersMax = 5
-
   gamemode = 'Creative'
   serverId = '0'
 
-  constructor (obj, version) {
+  constructor (obj, version = CURRENT_VERSION) {
     if (obj?.name) obj.motd = obj.name
+    this.protocol = Versions[version]
+    this.version = version
     Object.assign(this, obj)
   }