angram/lib/plugins/inventory.js

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/*
* Using the inventory is one of the first things you learn in Minecraft,
* now it's time to teach your bot the same skill.
*
* Command your bot with chat messages and make him toss, equip, use items
* and even craft new items using the built-in recipe book.
*
* To learn more about the recipe system and how crafting works
* remember to read the API documentation!
*/
const mineflayer = require('mineflayer')
let cfg = {}
let bot = {}
// let mcd
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const alt_destinations = {
offhand: "off-hand",
lefthand: "off-hand",
shield: "off-hand",
chest: "torso",
}
function inventory(username, message) {
if (username === bot.username) return
const command = message.split(' ')
switch (true) {
// case message === 'loaded':
// bot.waitForChunksToLoad(() => {
// bot.chat('Ready!')
// })
// break
case /^list$/.test(message):
sayItems()
break
case /^toss \d+ \w+$/.test(message):
// toss amount name
// ex: toss 64 diamond
tossItem(command[2], command[1])
break
case /^toss \w+$/.test(message):
// toss name
// ex: toss diamond
tossItem(command[1])
break
case /^equip \w+ \w+$/.test(message):
// equip destination name
// ex: equip hand diamond
equipItem(command[2], command[1], quiet = cfg.quiet)
break
case /^unequip \w+$/.test(message):
// unequip testination
// ex: unequip hand
unequipItem(command[1])
break
case /^use$/.test(message):
useEquippedItem()
break
case /^craft \d+ \w+$/.test(message):
// craft amount item
// ex: craft 64 stick
craftItem(command[2], command[1])
break
}
}
function sayItems(items = bot.inventory.items()) {
const output = items.map(itemToString).join(', ')
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console.info("inventory:", output)
if (output) {
!cfg.quiet && bot.chat(output)
} else {
!cfg.quiet && bot.chat('empty')
}
}
function tossItem(name, amount) {
amount = parseInt(amount, 10)
const item = itemByName(name)
if (!item) {
bot.chat(`I have no ${name}`)
} else if (amount) {
bot.toss(item.type, null, amount, checkIfTossed)
} else {
bot.tossStack(item, checkIfTossed)
}
function checkIfTossed(err) {
if (err) {
bot.chat(`unable to toss: ${err.message}`)
} else if (amount) {
bot.chat(`tossed ${amount} x ${name}`)
} else {
bot.chat(`tossed ${name}`)
}
}
}
function equipItem(name, destination, quiet = false) {
const item = itemByName(name)
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if (item) {
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if (Object.keys(alt_destinations).includes(destination)) {
destination = alt_destinations[destination]
}
try {
bot.equip(item, destination, checkIfEquipped)
} catch (error) {
if (error.code == 'ERR_ASSERTION' && error.message.startsWith("invalid destination:")) {
bot.chat(error.message)
} else {
console.error(error)
}
}
} else {
!quiet && bot.chat(`I have no ${name}`)
}
function checkIfEquipped(err) {
if (err) {
bot.chat(`cannot equip ${name}: ${err.message}`)
} else {
!quiet && bot.chat(`equipped ${name}`)
}
}
}
function unequipItem(destination) {
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if (Object.keys(alt_destinations).includes(destination)) {
destination = alt_destinations[destination]
}
bot.unequip(destination, (err) => {
if (err) {
bot.chat(`cannot unequip: ${err.message}`)
} else {
bot.chat('unequipped')
}
})
}
function useEquippedItem() {
bot.chat('activating item')
bot.activateItem()
}
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function craftItem(name, amount = 1) {
amount = parseInt(amount, 10)
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const mcData = require('minecraft-data')(bot.version)
const item = mcData.findItemOrBlockByName(name)
const craftingTable = bot.findBlock({
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matching: mcData.blocksByName["crafting_table"].id
})
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const recipesNoTable = bot.recipesFor(item.id)
let recipes
if (recipesNoTable.length > 0) {
bot.chat("can make without crafting table!")
recipes = recipesNoTable
} else if (craftingTable) {
recipes = bot.recipesFor(item.id, null, null, craftingTable)
} else {
bot.chat("Couldn't find a crafting table. Maybe craft one?")
}
if (item) {
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let craftSuccess
recipes && cfg.quiet || bot.chat(`${recipes.length} recipes`)
for (let recipe in recipes) {
if (craftSuccess) {
break
}
setTimeout(craftIt, Math.random() * 5000, recipes[recipe], amount, craftingTable)
}
function craftIt(recipe, amount, craftingTable) {
cfg.quiet || bot.chat(`I can make ${name}`)
console.log("craft:", recipe)
console.time("craft recipe")
bot.craft(recipe, amount, craftingTable, craftError)
console.timeEnd("craft recipe")
}
function craftError(err) {
if (err) {
console.error(err)
cfg.quiet || bot.chat(`error making ${name}: ${err.message}`)
// continue
} else {
craftSuccess = true
bot.chat(`did the recipe for ${name} ${amount} times`)
// break
}
}
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craftSuccess || cfg.quiet || bot.chat(`I couldn't make ${name}`)
} else {
bot.chat(`unknown item: ${name}`)
}
}
function itemToString(item) {
if (item) {
return `${item.name} x ${item.count}`
} else {
return '(nothing)'
}
}
function itemByName(name) {
return bot.inventory.items().filter(item => item.name === name)[0]
}
const load = (config) => {
cfg = config
bot = cfg.bot
// cfg.inventory = {
// auto: true,
// quiet: false
// }
bot.on('chat', inventory)
}
const unload = () => {
bot.off('chat', inventory)
}
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module.exports = { load, unload, equipItem, craftItem }