fix entities in 1.12 : uuid support

package.json

@@ -32,7 +32,6 @@
     "minecraft-protocol": "^1.5.2",
     "mkdirp": "^0.5.1",
     "moment": "^2.10.6",
-    "node-uuid": "^1.4.3",
     "prismarine-chunk": "^1.9.0",
     "prismarine-entity": "^0.2.0",
     "prismarine-item": "^1.0.1",
@@ -44,6 +43,7 @@
     "request": "^2.83.0",
     "request-promise": "^4.1.0",
     "spiralloop": "^1.0.2",
+    "uuid-1345": "^0.99.6",
     "vec3": "^0.1.3"
   },
   "repository": {

src/lib/features.json

@@ -28,5 +28,15 @@
     "name": "fixedPointDelta128",
     "description": "Delta of position are represented with fixed point numbers times 128",
     "versions": ["1.12"]
+  },
+  {
+    "name": "entityCamelCase",
+    "description": "entity names are in camel case",
+    "versions": ["1.8"]
+  },
+  {
+    "name": "entitySnakeCase",
+    "description": "entity name are in snake case",
+    "versions": ["1.12"]
   }
 ]

src/lib/plugins/entities.js

@@ -13,7 +13,7 @@ module.exports.server = function (serv) {
           const players = serv.getNearby({
             world: entity.world,
             position: entity.position,
-            radius: 1.5 * 32 // Seems good for now
+            radius: 1.5 // Seems good for now
           })
           if (players.length) {
             players[0].collect(entity)

src/lib/plugins/login.js

@@ -38,8 +38,9 @@ module.exports.player = function (player, serv, settings) {
     player.crouching = false // Needs added in prismarine-entity later
     player.op = settings['everybody-op'] // REMOVE THIS WHEN OUT OF TESTING
     player.username = player._client.username
+    player.uuid = player._client.uuid
     serv.players.push(player)
-    serv.uuidToPlayer[player._client.uuid] = player
+    serv.uuidToPlayer[player.uuid] = player
     player.heldItemSlot = 0
     player.loadedChunks = {}
   }
@@ -80,7 +81,7 @@ module.exports.player = function (player, serv, settings) {
     serv._writeAll('player_info', {
       action: 1,
       data: [{
-        UUID: player._client.uuid,
+        UUID: player.uuid,
         gamemode: player.gameMode
       }]
     })
@@ -91,7 +92,7 @@ module.exports.player = function (player, serv, settings) {
     player._writeOthers('player_info', {
       action: 0,
       data: [{
-        UUID: player._client.uuid,
+        UUID: player.uuid,
         name: player.username,
         properties: player.profileProperties,
         gamemode: player.gameMode,
@@ -102,7 +103,7 @@ module.exports.player = function (player, serv, settings) {
     player._client.write('player_info', {
       action: 0,
       data: serv.players.map((otherPlayer) => ({
-        UUID: otherPlayer._client.uuid,
+        UUID: otherPlayer.uuid,
         name: otherPlayer.username,
         properties: otherPlayer.profileProperties,
         gamemode: otherPlayer.gameMode,
@@ -112,7 +113,7 @@ module.exports.player = function (player, serv, settings) {
     setInterval(() => player._client.write('player_info', {
       action: 2,
       data: serv.players.map(otherPlayer => ({
-        UUID: otherPlayer._client.uuid,
+        UUID: otherPlayer.uuid,
         ping: otherPlayer._client.latency
       }))
     }), 5000)
@@ -135,12 +136,12 @@ module.exports.player = function (player, serv, settings) {
   }
 
   player.login = async () => {
-    if (serv.uuidToPlayer[player._client.uuid]) {
+    if (serv.uuidToPlayer[player.uuid]) {
       player.kick('You are already connected')
       return
     }
-    if (serv.bannedPlayers[player._client.uuid]) {
+    if (serv.bannedPlayers[player.uuid]) {
-      player.kick(serv.bannedPlayers[player._client.uuid].reason)
+      player.kick(serv.bannedPlayers[player.uuid].reason)
       return
     }
     if (serv.bannedIPs[player._client.socket.remoteAddress]) {

src/lib/plugins/logout.js

@@ -22,7 +22,7 @@ module.exports.player = function (player, serv) {
       player._writeOthers('player_info', {
         action: 4,
         data: [{
-          UUID: player._client.uuid
+          UUID: player.uuid
         }]
       })
       player.nearbyPlayers().forEach(otherPlayer => otherPlayer.despawnEntities([player]))
@@ -32,7 +32,7 @@ module.exports.player = function (player, serv) {
       if (index > -1) {
         serv.players.splice(index, 1)
       }
-      delete serv.uuidToPlayer[player._client.uuid]
+      delete serv.uuidToPlayer[player.uuid]
     }
   })
 }

src/lib/plugins/moderation.js

@@ -1,6 +1,6 @@
 const moment = require('moment')
 const rp = require('request-promise')
-const nodeUuid = require('node-uuid')
+const UUID = require('uuid-1345')
 
 module.exports.server = function (serv) {
   serv.ban = (uuid, reason) => {
@@ -20,7 +20,7 @@ module.exports.server = function (serv) {
   }
 
   function uuidInParts (plainUUID) {
-    return nodeUuid.unparse(nodeUuid.parse(plainUUID))
+    return UUID.stringify(UUID.parse(plainUUID))
   }
 
   serv.getUUIDFromUsername = username => {
@@ -65,7 +65,7 @@ module.exports.player = function (player, serv) {
   player.ban = reason => {
     reason = reason || 'You were banned!'
     player.kick(reason)
-    const uuid = player._client.uuid
+    const uuid = player.uuid
     serv.ban(uuid, reason)
   }
   player.banIP = reason => {
@@ -74,7 +74,7 @@ module.exports.player = function (player, serv) {
     serv.banIP(player._client.socket.remoteAddress)
   }
 
-  player.pardon = () => serv.pardon(player._client.uuid)
+  player.pardon = () => serv.pardon(player.uuid)
 
   player.commands.add({
     base: 'kick',

src/lib/plugins/physics.js

@@ -60,9 +60,9 @@ module.exports.entity = function (entity, serv, {version}) {
   function getMoveAmount (dir, block, entity, delta, sizeSigned) {
     if (block) {
       entity.velocity[dir] = 0
-      return Math.floor(-1 * (entity.position[dir] + sizeSigned / 2 - floorInDirection(entity.position[dir], -sizeSigned)))
+      return -1 * (entity.position[dir] + sizeSigned / 2 - entity.position[dir])
     } else {
-      return Math.floor(entity.velocity[dir] * delta)
+      return entity.velocity[dir] * delta
     }
   }
 
@@ -70,10 +70,6 @@ module.exports.entity = function (entity, serv, {version}) {
     return new Vec3(Math.sign(vec.x), Math.sign(vec.y), Math.sign(vec.z))
   }
 
-  function floorInDirection (a, b) {
-    return b < 0 ? Math.floor(a) : Math.ceil(a)
-  }
-
   function addGravity (entity, dir, delta) {
     if (entity.velocity[dir] < entity.terminalvelocity[dir] && entity.velocity[dir] > -entity.terminalvelocity[dir]) {
       entity.velocity[dir] = clamp(-entity.terminalvelocity[dir], entity.velocity[dir] + entity.gravity[dir] * delta, entity.terminalvelocity[dir])

src/lib/plugins/spawn.js

@@ -3,7 +3,7 @@ const path = require('path')
 const requireIndex = require('../requireindex')
 const plugins = requireIndex(path.join(__dirname, '..', 'plugins'))
 const UserError = require('flying-squid').UserError
-
+const UUID = require('uuid-1345')
 const Vec3 = require('vec3').Vec3
 
 module.exports.server = function (serv, options) {
@@ -30,6 +30,7 @@ module.exports.server = function (serv, options) {
 
   serv.spawnObject = (type, world, position, {pitch = 0, yaw = 0, velocity = new Vec3(0, 0, 0), data = 1, itemId, itemDamage = 0, pickupTime = undefined, deathTime = undefined}) => {
     const object = serv.initEntity('object', type, world, position)
+    object.uuid = UUID.v4()
     object.name = objectsById[type].name
     object.data = data
     object.velocity = velocity
@@ -49,6 +50,7 @@ module.exports.server = function (serv, options) {
 
   serv.spawnMob = (type, world, position, {pitch = 0, yaw = 0, headPitch = 0, velocity = new Vec3(0, 0, 0), metadata = []} = {}) => {
     const mob = serv.initEntity('mob', type, world, position)
+    mob.uuid = UUID.v4()
     mob.name = mobsById[type].name
     mob.velocity = velocity
     mob.pitch = pitch
@@ -250,7 +252,7 @@ module.exports.entity = function (entity, serv) {
     if (entity.type === 'player') {
       return {
         entityId: entity.id,
-        playerUUID: entity._client.uuid,
+        playerUUID: entity.uuid,
         x: entityPosition.x,
         y: entityPosition.y,
         z: entityPosition.z,
@@ -262,6 +264,7 @@ module.exports.entity = function (entity, serv) {
     } else if (entity.type === 'object') {
       return {
         entityId: entity.id,
+        objectUUID: entity.uuid,
         type: entity.entityType,
         x: entityPosition.x,
         y: entityPosition.y,
@@ -278,6 +281,7 @@ module.exports.entity = function (entity, serv) {
     } else if (entity.type === 'mob') {
       return {
         entityId: entity.id,
+        entityUUID: entity.uuid,
         type: entity.entityType,
         x: entityPosition.x,
         y: entityPosition.y,

test/mineflayer.test.js

@@ -28,6 +28,7 @@ squid.supportedVersions.forEach((supportedVersion, i) => {
     let bot
     let bot2
     let serv
+    let entityName
 
     async function onGround (bot) {
       await new Promise((resolve) => {
@@ -81,6 +82,11 @@ squid.supportedVersions.forEach((supportedVersion, i) => {
       options['version'] = version.minecraftVersion
 
       serv = squid.createMCServer(options)
+      if (serv.supportFeature('entityCamelCase')) {
+        entityName = 'EnderDragon'
+      } else {
+        entityName = 'ender_dragon'
+      }
 
       await once(serv, 'listening')
       const port = serv._server.socketServer.address().port
@@ -159,7 +165,7 @@ squid.supportedVersions.forEach((supportedVersion, i) => {
     })
 
     describe('commands', () => {
-      jest.setTimeout(10 * 1000)
+      jest.setTimeout(20 * 1000)
       test('has an help command', async () => {
         await waitLoginMessage(bot)
         bot.chat('/help')
@@ -177,7 +183,7 @@ squid.supportedVersions.forEach((supportedVersion, i) => {
       function waitDragon () {
         return new Promise((resolve) => {
           const listener = (entity) => {
-            if (entity.name === 'EnderDragon') {
+            if (entity.name === entityName) {
               bot.removeListener('entitySpawn', listener)
               resolve()
             }
@@ -187,15 +193,15 @@ squid.supportedVersions.forEach((supportedVersion, i) => {
       }
 
       test('can use /summon', async () => {
-        bot.chat('/summon EnderDragon')
+        bot.chat('/summon ' + entityName)
         await waitDragon()
       })
       test('can use /kill', async () => {
-        bot.chat('/summon EnderDragon')
+        bot.chat('/summon ' + entityName)
         await waitDragon()
-        bot.chat('/kill @e[type=EnderDragon]')
+        bot.chat('/kill @e[type=' + entityName + ']')
         const entity = await once(bot, 'entityDead')
-        expect(entity.name).toEqual('EnderDragon')
+        expect(entity.name).toEqual(entityName)
       })
       describe('can use /tp', () => {
         test('can tp myself', async () => {