110 lines
3.4 KiB
JavaScript
110 lines
3.4 KiB
JavaScript
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const assert = require('assert')
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module.exports = inject
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function inject (bot) {
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const Item = require('prismarine-item')(bot.registry)
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/**
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*
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* @param {import('prismarine-block').Block} referenceBlock
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* @param {import('vec3').Vec3} faceVector
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* @param {{forceLook?: boolean | 'ignore', offhand?: boolean, swingArm?: 'right' | 'left', showHand?: boolean}} options
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*/
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async function placeEntityWithOptions (referenceBlock, faceVector, options) {
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if (!bot.heldItem) throw new Error('must be holding an item to place an entity')
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const type = bot.heldItem.name // used for assert
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.replace(/.+_boat/, 'boat')
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.replace(/.+_spawn_egg/, 'spawn_egg')
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assert(['end_crystal', 'boat', 'spawn_egg', 'armor_stand'].includes(type), 'Unimplemented')
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let name = bot.heldItem.name // used for finding entity after spawn
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.replace(/.+_boat/, 'boat')
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if (name.endsWith('spawn_egg')) {
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name = bot.heldItem.spawnEggMobName
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}
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if (type === 'spawn_egg') {
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options.showHand = false
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}
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if (!options.swingArm) options.swingArm = options.offhand ? 'left' : 'right'
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const pos = await bot._genericPlace(referenceBlock, faceVector, options)
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if (type === 'boat') {
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if (bot.supportFeature('useItemWithOwnPacket')) {
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bot._client.write('use_item', {
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hand: options.offhand ? 1 : 0
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})
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} else {
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bot._client.write('block_place', {
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location: { x: -1, y: -1, z: -1 },
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direction: -1,
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heldItem: Item.toNotch(bot.heldItem),
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cursorX: 0,
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cursorY: 0,
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cursorZ: 0
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})
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}
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}
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const dest = pos.plus(faceVector)
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const entity = await waitForEntitySpawn(name, dest)
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bot.emit('entityPlaced', entity)
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return entity
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}
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async function placeEntity (referenceBlock, faceVector) {
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return await placeEntityWithOptions(referenceBlock, faceVector, {})
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}
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function waitForEntitySpawn (name, placePosition) {
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const maxDistance = name === 'bat' ? 4 : name === 'boat' ? 3 : 2
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let mobName = name
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if (name === 'end_crystal') {
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if (bot.supportFeature('enderCrystalNameEndsInErNoCaps')) {
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mobName = 'ender_crystal'
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} else if (bot.supportFeature('entityNameLowerCaseNoUnderscore')) {
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mobName = 'endercrystal'
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} else if (bot.supportFeature('enderCrystalNameNoCapsWithUnderscore')) {
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mobName = 'end_crystal'
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} else {
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mobName = 'EnderCrystal'
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}
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} else if (name === 'boat') {
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mobName = bot.supportFeature('entityNameUpperCaseNoUnderscore') ? 'Boat' : 'boat'
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} else if (name === 'armor_stand') {
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if (bot.supportFeature('entityNameUpperCaseNoUnderscore')) {
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mobName = 'ArmorStand'
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} else if (bot.supportFeature('entityNameLowerCaseNoUnderscore')) {
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mobName = 'armorstand'
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} else {
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mobName = 'armor_stand'
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}
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}
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return new Promise((resolve, reject) => {
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function listener (entity) {
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const dist = entity.position.distanceTo(placePosition)
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if (entity.name === mobName && dist < maxDistance) {
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resolve(entity)
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}
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bot.off('entitySpawn', listener)
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}
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setTimeout(() => {
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bot.off('entitySpawn', listener)
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reject(new Error('Failed to place entity'))
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}, 5000) // reject after 5s
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bot.on('entitySpawn', listener)
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})
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}
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bot.placeEntity = placeEntity
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bot._placeEntityWithOptions = placeEntityWithOptions
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}
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