99 lines
3.3 KiB
JavaScript
99 lines
3.3 KiB
JavaScript
const mineflayer = require('mineflayer')
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const { pathfinder, Movements } = require('mineflayer-pathfinder')
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const { GoalNear, GoalBlock, GoalXZ, GoalY, GoalInvert, GoalFollow, GoalBreakBlock } = require('mineflayer-pathfinder').goals
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if (process.argv.length > 6) {
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console.log('Usage : node example.js [<host>] [<port>] [<name>] [<password>]')
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process.exit(1)
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}
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const bot = mineflayer.createBot({
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host: process.argv[2] || 'localhost',
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port: parseInt(process.argv[3]) || 25565,
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username: process.argv[4] || 'pathfinder',
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password: process.argv[5]
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})
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bot.loadPlugin(pathfinder)
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bot.once('spawn', () => {
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// We create different movement generators for different type of activity
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const defaultMove = new Movements(bot)
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bot.on('path_update', (r) => {
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const nodesPerTick = (r.visitedNodes * 50 / r.time).toFixed(2)
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console.log(`I can get there in ${r.path.length} moves. Computation took ${r.time.toFixed(2)} ms (${r.visitedNodes} nodes, ${nodesPerTick} nodes/tick)`)
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})
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bot.on('goal_reached', (goal) => {
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console.log('Here I am !')
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})
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bot.on('path_reset', (reason) => {
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console.log(`Path was reset for reason: ${reason}`)
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})
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bot.on('chat', (username, message) => {
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if (username === bot.username) return
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const target = bot.players[username] ? bot.players[username].entity : null
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if (message === 'come') {
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if (!target) {
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bot.chat('I don\'t see you !')
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return
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}
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const p = target.position
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bot.pathfinder.setMovements(defaultMove)
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bot.pathfinder.setGoal(new GoalNear(p.x, p.y, p.z, 1))
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} else if (message.startsWith('goto')) {
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const cmd = message.split(' ')
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if (cmd.length === 4) { // goto x y z
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const x = parseInt(cmd[1], 10)
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const y = parseInt(cmd[2], 10)
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const z = parseInt(cmd[3], 10)
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bot.pathfinder.setMovements(defaultMove)
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bot.pathfinder.setGoal(new GoalBlock(x, y, z))
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} else if (cmd.length === 3) { // goto x z
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const x = parseInt(cmd[1], 10)
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const z = parseInt(cmd[2], 10)
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bot.pathfinder.setMovements(defaultMove)
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bot.pathfinder.setGoal(new GoalXZ(x, z))
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} else if (cmd.length === 2) { // goto y
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const y = parseInt(cmd[1], 10)
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bot.pathfinder.setMovements(defaultMove)
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bot.pathfinder.setGoal(new GoalY(y))
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}
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} else if (message === 'follow') {
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bot.pathfinder.setMovements(defaultMove)
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bot.pathfinder.setGoal(new GoalFollow(target, 3), true)
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// follow is a dynamic goal: setGoal(goal, dynamic=true)
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// when reached, the goal will stay active and will not
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// emit an event
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} else if (message === 'avoid') {
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bot.pathfinder.setMovements(defaultMove)
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bot.pathfinder.setGoal(new GoalInvert(new GoalFollow(target, 5)), true)
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} else if (message === 'stop') {
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bot.pathfinder.stop()
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} else if (message === 'break') {
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if (!target) {
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bot.chat('I can\'t see you!')
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return
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}
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const p = target.position.offset(0, -1, 0)
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const goal = new GoalBreakBlock(p.x, p.y, p.z, bot)
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bot.pathfinder.goto(goal)
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.then(() => {
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bot.dig(bot.blockAt(p), 'raycast')
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.catch(err => console.error('digging error', err))
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}, (err) => {
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console.error('Pathfing error', err)
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})
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}
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})
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})
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