add a working tpsbar

idea totallynotskidded™ from evilbot and he said im a skid which
is real i guess

commands/tpsbar.js

@@ -0,0 +1,63 @@
+const { EmbedBuilder } = require('discord.js')
+module.exports = {
+  name: 'tpsbar',
+  alias: ['tps'],
+  description: 'Shows the server\'s TPS using Minecraft bossbar',
+  usage: '<on|off>',
+  trusted: 0,
+  execute (bot, username, sender, prefix, args, config, hash, ownerhash, selector) {
+    switch (args[0]) {
+      case 'on':
+        bot.tps.on()
+        bot.tellraw(selector, [
+          {
+            text: 'TPSBar is now ',
+            color: 'white'
+          },
+          {
+            text: 'enabled',
+            color: 'green'
+          }
+        ])
+        break
+      case 'off':
+        bot.tps.off()
+        bot.tellraw(selector, [
+          {
+            text: 'TPSBar is now ',
+            color: 'white'
+          },
+          {
+            text: 'disabled',
+            color: 'red'
+          }
+        ])
+        break
+      default:
+        throw new SyntaxError('Invalid argument')
+    }
+  },
+  discordExecute (bot, username, sender, prefix, args, channeldc, message, config) {
+    let Embed
+    switch (args[0]) {
+      case 'on':
+        bot.tps.on()
+        Embed = new EmbedBuilder()
+          .setColor(config.discord.embedsColors.normal)
+          .setTitle('TPSBar')
+          .setDescription('TPSBar is now enabled')
+        channeldc.send({ embeds: [Embed] })
+        break
+      case 'off':
+        bot.tps.off()
+        Embed = new EmbedBuilder()
+          .setColor(config.discord.embedsColors.normal)
+          .setTitle('TPSBar')
+          .setDescription('TPSBar is now disabled')
+        channeldc.send({ embeds: [Embed] })
+        break
+      default:
+        throw new SyntaxError('Invalid argument')
+    }
+  }
+}

plugins/tps.js

@@ -0,0 +1,77 @@
+const clamp = require('../util/clamp')
+function inject (bot, dcclient, config) {
+  const bossbarName = 'chomens_bot:tps'
+
+  let enabled = false
+  bot.tps = {
+    on () {
+      enabled = true
+    },
+    off () {
+      enabled = false
+      bot.core.run(`minecraft:bossbar remove ${bossbarName}`)
+    }
+  }
+
+  const tickRates = []
+  let nextIndex = 0
+  let timeLastTimeUpdate = -1
+  let timeGameJoined
+  let timeUpdatesTotal = 0
+
+  const interval = setInterval(() => {
+    if (!enabled) return
+
+    const component = {
+      translate: 'TPS - %s',
+      color: 'gray',
+      bold: false,
+      with: [
+        { text: getTickRate(), color: 'green' }
+      ]
+    }
+    bot.core.run(`minecraft:bossbar add ${bossbarName} ""`)
+    bot.core.run(`minecraft:bossbar set ${bossbarName} players @a`)
+    bot.core.run(`minecraft:bossbar set ${bossbarName} color yellow`)
+    bot.core.run(`minecraft:bossbar set ${bossbarName} visible true`)
+    bot.core.run(`minecraft:bossbar set ${bossbarName} style progress`)
+    bot.core.run(`minecraft:bossbar set ${bossbarName} name ${JSON.stringify(component)}`)
+    bot.core.run(`minecraft:bossbar set ${bossbarName} max 20`)
+    bot.core.run(`minecraft:bossbar set ${bossbarName} value ${Math.floor(getTickRate())}`)
+  }, 50)
+
+  function getTickRate () {
+    if (Date.now() - timeGameJoined < 4000) return 'Calculating...'
+
+    let numTicks = 0
+    let sumTickRates = 0.0
+    for (const tickRate of tickRates) {
+      if (tickRate > 0) {
+        sumTickRates += tickRate
+        numTicks++
+      }
+    }
+
+    const value = (sumTickRates / numTicks).toFixed(2)
+    if (value > 20) return 20
+    else return value
+  }
+
+  bot.on('login', () => {
+    nextIndex = 0
+    timeGameJoined = timeLastTimeUpdate = Date.now()
+  })
+
+  bot._client.on('update_time', () => {
+    const now = Date.now()
+    const timeElapsed = (now - timeLastTimeUpdate) / 1000.0
+    tickRates[nextIndex] = clamp(20.0 / timeElapsed, 0.0, 20.0)
+    nextIndex = (nextIndex + 1) % tickRates.length
+    timeLastTimeUpdate = now
+    timeUpdatesTotal++
+  })
+
+  bot.on('end', () => clearInterval(interval))
+}
+
+module.exports = { inject }

util/clamp.js

@@ -0,0 +1,6 @@
+function clamp (value, min, max) {
+  if (value < min) return min
+  return Math.min(value, max)
+}
+
+module.exports = clamp