Function watchFurnace

examples/chest.js:166–250

()

}

async function watchFurnace () {
  const furnaceBlock = bot.findBlock({
    matching: ['furnace', 'lit_furnace'].filter(name => bot.registry.blocksByName[name] !== undefined).map(name => bot.registry.blocksByName[name].id),
    maxDistance: 6
  })
  if (!furnaceBlock) {
    bot.chat('no furnace found')
    return
  }
  const furnace = await bot.openFurnace(furnaceBlock)
  let output = ''
  output += `input: ${itemToString(furnace.inputItem())}, `
  output += `fuel: ${itemToString(furnace.fuelItem())}, `
  output += `output: ${itemToString(furnace.outputItem())}`
  bot.chat(output)

  furnace.on('updateSlot', (slot, oldItem, newItem) => {
    bot.chat(`furnace update: ${itemToString(oldItem)} -> ${itemToString(newItem)} (slot: ${slot})`)
  })
  furnace.on('close', () => {
    bot.chat('furnace closed')
  })
  furnace.on('update', () => {
    console.log(`fuel: ${Math.round(furnace.fuel * 100)}% progress: ${Math.round(furnace.progress * 100)}%`)
  })

  bot.on('chat', onChat)

  function onChat (username, message) {
    if (username === bot.username) return
    const command = message.split(' ')
    switch (true) {
      case /^close$/.test(message):
        closeFurnace()
        break
      case /^(input|fuel) \d+ \w+$/.test(message):
        // input amount name
        // ex: input 32 coal
        putInFurnace(command[0], command[2], command[1])
        break
      case /^take (input|fuel|output)$/.test(message):
        // take what
        // ex: take output
        takeFromFurnace(command[0])
        break
    }

    function closeFurnace () {
      furnace.close()
      bot.removeListener('chat', onChat)
    }

    async function putInFurnace (where, name, amount) {
      const item = itemByName(furnace.items(), name)
      if (item) {
        const fn = {
          input: furnace.putInput,
          fuel: furnace.putFuel