104 lines
3.0 KiB
JavaScript
104 lines
3.0 KiB
JavaScript
const assert = require('assert')
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const { once } = require('events')
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module.exports = inject
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function inject (bot) {
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async function openEnchantmentTable (enchantmentTableBlock) {
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assert.strictEqual(enchantmentTableBlock.name, 'enchanting_table')
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let ready = false
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const enchantmentTable = await bot.openBlock(enchantmentTableBlock)
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if (!enchantmentTable.type.startsWith('minecraft:enchant')) {
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throw new Error('This is not an enchantment table')
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}
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resetEnchantmentOptions()
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enchantmentTable.enchant = enchant
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enchantmentTable.takeTargetItem = takeTargetItem
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enchantmentTable.putTargetItem = putTargetItem
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enchantmentTable.putLapis = putLapis
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enchantmentTable.targetItem = function () { return this.slots[0] }
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bot._client.on('craft_progress_bar', onUpdateWindowProperty)
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enchantmentTable.once('close', () => {
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bot._client.removeListener('craft_progress_bar', onUpdateWindowProperty)
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})
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return enchantmentTable
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function onUpdateWindowProperty (packet) {
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if (packet.windowId !== enchantmentTable.id) return
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assert.ok(packet.property >= 0)
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const slots = enchantmentTable.enchantments
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if (packet.property < 3) {
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const slot = slots[packet.property]
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slot.level = packet.value
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} else if (packet.property === 3) {
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enchantmentTable.xpseed = packet.value
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} else if (packet.property < 7) {
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const slot = slots[packet.property - 4]
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slot.expected.enchant = packet.value
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} else if (packet.property < 10) {
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const slot = slots[packet.property - 7]
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slot.expected.level = packet.value
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}
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if (slots[0].level >= 0 && slots[1].level >= 0 && slots[2].level >= 0) {
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if (!ready) {
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ready = true
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enchantmentTable.emit('ready')
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}
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} else {
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ready = false
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}
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}
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function resetEnchantmentOptions () {
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enchantmentTable.xpseed = -1
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enchantmentTable.enchantments = []
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for (let slot = 0; slot < 3; slot++) {
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enchantmentTable.enchantments.push({
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level: -1,
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expected: {
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enchant: -1,
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level: -1
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}
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})
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}
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ready = false
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}
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async function enchant (choice) {
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if (!ready) await once(enchantmentTable, 'ready')
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choice = parseInt(choice, 10) // allow string argument
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assert.notStrictEqual(enchantmentTable.enchantments[choice].level, -1)
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bot._client.write('enchant_item', {
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windowId: enchantmentTable.id,
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enchantment: choice
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})
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const [, newItem] = await once(enchantmentTable, 'updateSlot:0')
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return newItem
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}
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async function takeTargetItem () {
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const item = enchantmentTable.targetItem()
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assert.ok(item)
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await bot.putAway(item.slot)
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return item
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}
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async function putTargetItem (item) {
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await bot.moveSlotItem(item.slot, 0)
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}
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async function putLapis (item) {
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await bot.moveSlotItem(item.slot, 1)
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}
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}
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bot.openEnchantmentTable = openEnchantmentTable
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}
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