Support 1.21.3.

lib/plugins/blocks.js

@@ -395,10 +395,13 @@ function inject (bot, { version, storageBuilder, hideErrors }) {
   bot._client.on('explosion', (packet) => {
     // explosion
     const p = new Vec3(packet.x, packet.y, packet.z)
-    packet.affectedBlockOffsets.forEach((offset) => {
-      const pt = p.offset(offset.x, offset.y, offset.z)
-      updateBlockState(pt, 0)
-    })
+    if (packet.affectedBlockOffsets) {
+      // TODO: server no longer sends in 1.21.3. Is client supposed to compute this or is it sent via normal block updates?
+      packet.affectedBlockOffsets.forEach((offset) => {
+        const pt = p.offset(offset.x, offset.y, offset.z)
+        updateBlockState(pt, 0)
+      })
+    }
   })
 
   bot._client.on('spawn_entity_painting', (packet) => {

lib/plugins/creative.js

@@ -21,20 +21,42 @@ function inject (bot) {
   const creativeSlotsUpdates = []
 
   // WARN: This method should not be called twice on the same slot before first promise succeeds
-  async function setInventorySlot (slot, item) {
+  async function setInventorySlot (slot, item, waitTimeout = 400) {
     assert(slot >= 0 && slot <= 44)
 
     if (Item.equal(bot.inventory.slots[slot], item, true)) return
     if (creativeSlotsUpdates[slot]) {
       throw new Error(`Setting slot ${slot} cancelled due to calling bot.creative.setInventorySlot(${slot}, ...) again`)
     }
     creativeSlotsUpdates[slot] = true
-
     bot._client.write('set_creative_slot', {
       slot,
       item: Item.toNotch(item)
     })
 
+    if (bot.supportFeature('noAckOnCreateSetSlotPacket')) {
+      // No ack
+      bot._setSlot(slot, item)
+      if (waitTimeout === 0) return // no wait
+      // allow some time to see if server rejects
+      return new Promise((resolve, reject) => {
+        function updateSlot (oldItem, newItem) {
+          console.log('[creative] Slot update', arguments)
+          if (newItem.itemId !== item.itemId) {
+            creativeSlotsUpdates[slot] = false
+            reject(Error('Server rejected'))
+          }
+        }
+        bot.inventory.once(`updateSlot:${slot}`, updateSlot)
+        setTimeout(() => {
+          bot.inventory.off(`updateSlot:${slot}`, updateSlot)
+          console.log('[creative] setSlot OK')
+          creativeSlotsUpdates[slot] = false
+          resolve()
+        }, waitTimeout)
+      })
+    }
+
     await onceWithCleanup(bot.inventory, `updateSlot:${slot}`, {
       timeout: 5000,
       checkCondition: (oldItem, newItem) => item === null ? newItem === null : newItem?.name === item.name && newItem?.count === item.count && newItem?.metadata === item.metadata

lib/plugins/entities.js

@@ -341,6 +341,16 @@ function inject (bot) {
     bot.emit('entityMoved', entity)
   })
 
+  // 1.21.3 - merges the packets above
+  bot._client.on('sync_entity_position', (packet) => {
+    const entity = fetchEntity(packet.entityId)
+    entity.position.set(packet.x, packet.y, packet.z)
+    entity.velocity.update(packet.dx, packet.dy, packet.dz)
+    entity.yaw = packet.yaw
+    entity.pitch = packet.pitch
+    bot.emit('entityMoved', entity)
+  })
+
   bot._client.on('entity_head_rotation', (packet) => {
     // entity head look
     const entity = fetchEntity(packet.entityId)
@@ -361,6 +371,11 @@ function inject (bot) {
     if (eventName) bot.emit(eventName, entity)
   })
 
+  bot._client.on('damage_event', (packet) => { // 1.20+
+    const entity = bot.entities[packet.entityId]
+    bot.emit('entityHurt', entity)
+  })
+
   bot._client.on('attach_entity', (packet) => {
     // attach entity
     const entity = fetchEntity(packet.entityId)
@@ -583,8 +598,65 @@ function inject (bot) {
   })
 
   bot._client.on('player_info', (packet) => {
+    console.dir(packet, { depth: null })
     // player list item(s)
 
+    if (typeof packet.action !== 'number') {
+      // the features checks below this will be un-needed with https://github.com/PrismarineJS/minecraft-data/pull/948
+      for (const update of packet.data) {
+        let player = bot.uuidToUsername[update.uuid] ? bot.players[bot.uuidToUsername[update.uuid]] : null
+        let newPlayer = false
+
+        const obj = {
+          uuid: update.uuid
+        }
+
+        if (!player) newPlayer = true
+
+        player ||= obj
+
+        if (packet.action.add_player) {
+          obj.username = update.player.name
+          obj.displayName = player.displayName || new ChatMessage({ text: '', extra: [{ text: update.player.name }] })
+          obj.skinData = extractSkinInformation(update.player.properties)
+        }
+
+        if (packet.action.update_game_mode) {
+          obj.gamemode = update.gamemode
+        }
+
+        if (packet.action.update_latency) {
+          obj.ping = update.latency
+        }
+
+        if (update.displayName) {
+          obj.displayName = ChatMessage.fromNotch(update.displayName)
+        }
+
+        if (newPlayer) {
+          if (!obj.username) continue // Should be unreachable
+          player = bot.players[obj.username] = obj
+          bot.uuidToUsername[obj.uuid] = obj.username
+        } else {
+          Object.assign(player, obj)
+        }
+
+        const playerEntity = Object.values(bot.entities).find(e => e.type === 'player' && e.username === player.username)
+        player.entity = playerEntity
+
+        if (playerEntity === bot.entity) {
+          bot.player = player
+        }
+
+        if (newPlayer) {
+          bot.emit('playerJoined', player)
+        } else {
+          bot.emit('playerUpdated', player)
+        }
+      }
+      return
+    }
+
     if (bot.supportFeature('playerInfoActionIsBitfield')) {
       for (const item of packet.data) {
         let player = bot.uuidToUsername[item.uuid] ? bot.players[bot.uuidToUsername[item.uuid]] : null
@@ -795,20 +867,42 @@ function inject (bot) {
   }
 
   function moveVehicle (left, forward) {
-    bot._client.write('steer_vehicle', {
-      sideways: left,
-      forward,
-      jump: 0x01
-    })
+    if (bot.supportFeature('newPlayerInputPacket')) {
+      // docs:
+      // * left can take -1 or 1 : -1 means right, 1 means left
+      // * forward can take -1 or 1 : -1 means backward, 1 means forward
+      bot._client.write('player_input', {
+        inputs: {
+          forward: forward > 0,
+          backward: forward < 0,
+          left: left > 0,
+          right: left < 0
+        }
+      })
+    } else {
+      bot._client.write('steer_vehicle', {
+        sideways: left,
+        forward,
+        jump: 0x01
+      })
+    }
   }
 
   function dismount () {
     if (bot.vehicle) {
-      bot._client.write('steer_vehicle', {
-        sideways: 0.0,
-        forward: 0.0,
-        jump: 0x02
-      })
+      if (bot.supportFeature('newPlayerInputPacket')) {
+        bot._client.write('player_input', {
+          inputs: {
+            jump: true
+          }
+        })
+      } else {
+        bot._client.write('steer_vehicle', {
+          sideways: 0.0,
+          forward: 0.0,
+          jump: 0x02
+        })
+      }
     } else {
       bot.emit('error', new Error('dismount: not mounted'))
     }

lib/plugins/game.js

@@ -10,7 +10,12 @@ const dimensionNames = {
   1: 'the_end'
 }
 
-const parseGameMode = gameModeBits => gameModes[(gameModeBits & 0b11)] // lower two bits
+const parseGameMode = gameModeBits => {
+  if (gameModeBits < 0 || gameModeBits > 0b11) {
+    return 'survival'
+  }
+  return gameModes[(gameModeBits & 0b11)] // lower two bits
+}
 
 function inject (bot, options) {
   function getBrandCustomChannelName () {
@@ -25,7 +30,12 @@ function inject (bot, options) {
   function handleRespawnPacketData (packet) {
     bot.game.levelType = packet.levelType ?? (packet.isFlat ? 'flat' : 'default')
     bot.game.hardcore = packet.isHardcore ?? Boolean(packet.gameMode & 0b100)
-    bot.game.gameMode = packet.gamemode || parseGameMode(packet.gameMode)
+    // Either a respawn packet or a login packet. Depending on the packet it can be "gamemode" or "gameMode"
+    if (bot.supportFeature('spawnRespawnWorldDataField')) { // 1.20.5
+      bot.game.gameMode = packet.gamemode
+    } else {
+      bot.game.gameMode = parseGameMode(packet.gamemode ?? packet.gameMode)
+    }
     if (bot.supportFeature('segmentedRegistryCodecData')) { // 1.20.5
       if (typeof packet.dimension === 'number') {
         bot.game.dimension = bot.registry.dimensionsArray[packet.dimension]?.name?.replace('minecraft:', '')

lib/plugins/generic_place.js

@@ -79,7 +79,9 @@ function inject (bot) {
         cursorX: dx,
         cursorY: dy,
         cursorZ: dz,
-        insideBlock: false
+        insideBlock: false,
+        sequence: 0, // 1.19.0
+        worldBorderHit: false // 1.21.3
       })
     }
 

lib/plugins/inventory.js

@@ -190,6 +190,7 @@ function inject (bot, { hideErrors }) {
     // TODO: tell the server that we are not sneaking while doing this
     await bot.lookAt(block.position.offset(0.5, 0.5, 0.5), false)
     // place block message
+    // TODO: logic below can likely be simplified
     if (bot.supportFeature('blockPlaceHasHeldItem')) {
       bot._client.write('block_place', {
         location: block.position,
@@ -225,7 +226,9 @@ function inject (bot, { hideErrors }) {
         cursorX: cursorPos.x,
         cursorY: cursorPos.y,
         cursorZ: cursorPos.z,
-        insideBlock: false
+        insideBlock: false,
+        sequence: 0, // 1.19.0+
+        worldBorderHit: false // 1.21.3+
       })
     }
 
@@ -712,15 +715,18 @@ function inject (bot, { hideErrors }) {
     bot.currentWindow = null
     bot.emit('windowClose', oldWindow)
   })
-  bot._client.on('set_slot', (packet) => {
+  bot._setSlot = (slotId, newItem, window = bot.inventory) => {
     // set slot
+    const oldItem = window.slots[slotId]
+    window.updateSlot(slotId, newItem)
+    updateHeldItem()
+    bot.emit(`setSlot:${window.id}`, oldItem, newItem)
+  }
+  bot._client.on('set_slot', (packet) => {
     const window = packet.windowId === 0 ? bot.inventory : bot.currentWindow
     if (!window || window.id !== packet.windowId) return
     const newItem = Item.fromNotch(packet.item)
-    const oldItem = window.slots[packet.slot]
-    window.updateSlot(packet.slot, newItem)
-    updateHeldItem()
-    bot.emit(`setSlot:${window.id}`, oldItem, newItem)
+    bot._setSlot(packet.slot, newItem, window)
   })
   bot._client.on('window_items', (packet) => {
     const window = packet.windowId === 0 ? bot.inventory : bot.currentWindow