1.20.3, 1.20.5 and 1.21.1 support

config/default-settings.json

@@ -25,5 +25,5 @@
   },
   "everybody-op": false,
   "max-entities":100,
-  "version": "1.20.2"
+  "version": "1.21.1"
 }

package.json

@@ -35,7 +35,7 @@
     "exit-hook": "^2.2.1",
     "flatmap": "^0.0.3",
     "long": "^5.1.0",
-    "minecraft-protocol": "^1.44.0",
+    "minecraft-protocol": "^1.50.0",
     "moment": "^2.10.6",
     "needle": "^2.5.0",
     "node-gzip": "^1.1.2",

src/lib/plugins/chat.js

@@ -1,9 +1,8 @@
+const nbt = require('prismarine-nbt')
+
 module.exports.server = function (serv) {
   serv.broadcast = (message, { whitelist = serv.players, blacklist = [], system = false } = {}) => {
     if (whitelist.type === 'player') whitelist = [whitelist]
-
-    if (typeof message === 'string') message = serv.parseClassic(message)
-
     whitelist.filter(w => blacklist.indexOf(w) === -1).forEach(player => {
       if (!system) player.chat(message)
       else player.system(message)
@@ -43,7 +42,8 @@ module.exports.server = function (serv) {
     reset: '&r'
   }
 
-  serv.parseClassic = (message) => {
+  // TODO: update and use prismarine-chat (doesn't yet support NBT chat components beyond decoding them)
+  serv._createJsonChat = (message) => {
     if (typeof message === 'object') return message
     const messageList = []
     let text = ''
@@ -117,6 +117,32 @@ module.exports.server = function (serv) {
       }
     } else return { text: '' }
   }
+
+  serv._createChatComponent = (text) => {
+    if (serv.supportFeature('chatPacketsUseNbtComponents')) {
+      if (typeof text !== 'string') {
+        if (text.text) text = text.text
+        else {
+          serv.debug?.('Cannot yet convert JSON chat messages to NBT ; re-call in plaintext: ' + JSON.stringify(text))
+          text = JSON.stringify(text)
+        }
+      }
+      const tag = nbt.comp({
+        text: nbt.string(text)
+      })
+      tag.toNetworkFormat = () => tag
+      return tag
+    } else {
+      if (typeof text === 'object') {
+        text.toNetworkFormat = () => JSON.stringify(text)
+        return text
+      }
+      const ret = serv._createJsonChat(text)
+      ret.toNetworkFormat = () => JSON.stringify(ret)
+      return ret
+    }
+  }
+  serv._createNetworkEncodedChatComponent = (val) => serv._createChatComponent(val).toNetworkFormat()
 }
 
 module.exports.player = function (player, serv) {
@@ -157,9 +183,9 @@ module.exports.player = function (player, serv) {
         whitelist: serv.players,
         blacklist: []
       }, ({ prefix, text, whitelist, blacklist }) => {
-        const obj = serv.parseClassic(prefix)
+        const obj = serv._createJsonChat(prefix)
         if (!obj.extra) obj.extra = []
-        obj.extra.push(serv.parseClassic(text))
+        obj.extra.push(serv._createJsonChat(text))
         serv.broadcast(obj, {
           whitelist,
           blacklist
@@ -172,7 +198,7 @@ module.exports.player = function (player, serv) {
     if (serv.supportFeature('signedChat')) {
       return player.system(message)
     } else {
-      const chatComponent = typeof message === 'string' ? serv.parseClassic(message) : message
+      const chatComponent = serv._createJsonChat(message)
       player._client.write('chat', {
         message: JSON.stringify(chatComponent),
         position: 0,
@@ -188,16 +214,17 @@ module.exports.player = function (player, serv) {
   }
 
   player.system = message => {
-    const chatComponent = typeof message === 'string' ? serv.parseClassic(message) : message
+    const chatComponent = serv._createChatComponent(message)
     if (serv.supportFeature('signedChat')) {
       player._client.write('system_chat', {
-        content: JSON.stringify(chatComponent),
+        // 1.20.3+ writes NBT in chat packets ; below is stringified JSON chat components
+        content: chatComponent.toNetworkFormat(),
         type: 1, // chat
         isActionBar: false
       })
     } else {
       player._client.write('chat', {
-        message: JSON.stringify(chatComponent),
+        message: chatComponent.toNetworkFormat(),
         position: 2,
         sender: '0'
       })

src/lib/plugins/chest.js

@@ -51,7 +51,7 @@ module.exports.server = function (serv, { version }) {
       player._client.write('open_window', {
         windowId: player.windowId,
         inventoryType: invType,
-        windowTitle: JSON.stringify(title)
+        windowTitle: serv._createChatComponent(title).toNetworkFormat()
       })
       // Sending container content
       player._client.write('window_items', {

src/lib/plugins/header.js

@@ -1,11 +1,15 @@
 module.exports.player = function (player, serv, settings) {
-  player.playerlistUpdateText = (header, footer) =>
+  player.playerlistUpdateText = function (header, footer) {
     player._client.write('playerlist_header', {
-      header: JSON.stringify(header),
-      footer: JSON.stringify(footer)
+      header: serv._createChatComponent(header).toNetworkFormat(),
+      footer: serv._createChatComponent(footer).toNetworkFormat()
     })
+  }
+
+  const header = settings['player-list-text'].header || ''
+  const footer = settings['player-list-text'].footer || ''
 
   if (settings['player-list-text']) {
-    player.playerlistUpdateText(settings['player-list-text'].header || { text: '' }, settings['player-list-text'].footer || { text: '' })
+    player.playerlistUpdateText(header, footer)
   }
 }

src/lib/plugins/login.js

@@ -7,6 +7,12 @@ const plugins = require('./index')
 module.exports.server = function (serv, options) {
   serv._server.on('connection', (client) => {
     client.on('error', error => serv.emit('clientError', client, error))
+    client.on('state', (now) => {
+      if (now === 'configuration') {
+        client.write('feature_flags', { features: ['minecraft:vanilla'] })
+        client.write('select_known_packs', { packs: [] })
+      }
+    })
   })
 
   serv._server.on('playerJoin', async (client) => {
@@ -56,7 +62,10 @@ module.exports.player = async function (player, serv, settings) {
     const playerData = player._playerData = await playerDat.read(player.uuid, player.spawnPoint, settings.worldFolder)
     for (const key in playerData.player) player[key] = playerData.player[key]
 
-    serv.players.push(player)
+    if (!player.disconnected) {
+      // it's possible player gets kicked during login process ; don't add them to the server
+      serv.players.push(player)
+    }
     serv.uuidToPlayer[player.uuid] = player
     player.loadedChunks = {}
   }
@@ -83,6 +92,7 @@ module.exports.player = async function (player, serv, settings) {
     // send init data so client will start rendering world
     player._client.write('login', {
       ...serv.registry.loginPacket,
+      enforcesSecureChat: serv._server.options.enforcesSecureChat,
       entityId: player.id,
       levelType: 'default',
       gameMode: player.gameMode,

src/lib/plugins/logout.js

@@ -16,9 +16,9 @@ module.exports.player = function (player, serv, { worldFolder }) {
   })
 
   player._client.on('end', async () => {
-    if (player && player.username) {
+    if (!player.disconnected) {
       player._unloadAllChunks(true /* becasuePlayerLeft */)
-      serv.broadcast(serv.color.yellow + player.username + ' left the game.')
+      if (player.username) serv.broadcast(serv.color.yellow + player.username + ' left the game.')
       serv._sendPlayerEventLeave(player)
       player.nearbyPlayers().forEach(otherPlayer => otherPlayer.despawnEntities([player]))
       delete serv.entities[player.id]
@@ -28,6 +28,7 @@ module.exports.player = function (player, serv, { worldFolder }) {
         serv.players.splice(index, 1)
       }
       delete serv.uuidToPlayer[player.uuid]
+      player.disconnected = true
     }
 
     player.save()

src/lib/plugins/particle.js

@@ -21,7 +21,13 @@ module.exports.server = function (serv) {
       offsetZ: size.z,
       particleData: 1.0,
       particles: count,
-      data: []
+      amount: count, // 1.20.5+
+      data: [],
+      velocityOffset: 0, // 1.20.5+
+      particle: {
+        type: 'bubble',
+        data: null
+      }
     }, players.filter(p => blacklist.indexOf(p) === -1))
   }
 

src/lib/version.js

@@ -1,4 +1,4 @@
-const testedVersions = ['1.8.8', '1.9.4', '1.10.2', '1.11.2', '1.12.2', '1.13.2', '1.14.4', '1.15.2', '1.16.5', '1.17.1', '1.18', '1.18.2', '1.19', '1.19.2', '1.19.3', '1.19.4', '1.20', '1.20.2']
+const testedVersions = ['1.8.8', '1.9.4', '1.10.2', '1.11.2', '1.12.2', '1.13.2', '1.14.4', '1.15.2', '1.16.5', '1.17.1', '1.18', '1.18.2', '1.19', '1.19.2', '1.19.3', '1.19.4', '1.20', '1.20.2', '1.20.3', '1.20.5', '1.21.1']
 module.exports = {
   testedVersions,
   latestSupportedVersion: testedVersions[testedVersions.length - 1],

test/mineflayer.test.js

@@ -365,7 +365,8 @@ squid.testedVersions.forEach((testedVersion, i) => {
       function waitMessagePromise (message) {
         return new Promise((resolve) => {
           const listener = (msg) => {
-            if (msg.extra[0].text === message) {
+            const text = msg.extra?.[0].text ?? msg.text
+            if (text === message) {
               bot.removeListener('message', listener)
               resolve()
             }