92 lines
2.3 KiB
JavaScript
92 lines
2.3 KiB
JavaScript
/**
|
|
* This bot example shows the basic usage of the mineflayer-pvp plugin for guarding a defined area from nearby mobs.
|
|
*/
|
|
|
|
if (process.argv.length < 4 || process.argv.length > 6) {
|
|
console.log('Usage : node guard.js <host> <port> [<name>] [<password>]')
|
|
process.exit(1)
|
|
}
|
|
|
|
const mineflayer = require('mineflayer')
|
|
const { pathfinder, Movements, goals } = require('mineflayer-pathfinder')
|
|
const pvp = require('mineflayer-pvp').plugin
|
|
|
|
const bot = mineflayer.createBot({
|
|
host: process.argv[2],
|
|
port: parseInt(process.argv[3]),
|
|
username: process.argv[4] ? process.argv[4] : 'Guard',
|
|
password: process.argv[5]
|
|
})
|
|
|
|
bot.loadPlugin(pathfinder)
|
|
bot.loadPlugin(pvp)
|
|
|
|
let guardPos = null
|
|
|
|
// Assign the given location to be guarded
|
|
function guardArea (pos) {
|
|
guardPos = pos
|
|
|
|
// We we are not currently in combat, move to the guard pos
|
|
if (!bot.pvp.target) {
|
|
moveToGuardPos()
|
|
}
|
|
}
|
|
|
|
// Cancel all pathfinder and combat
|
|
function stopGuarding () {
|
|
guardPos = null
|
|
bot.pvp.stop()
|
|
bot.pathfinder.setGoal(null)
|
|
}
|
|
|
|
// Pathfinder to the guard position
|
|
function moveToGuardPos () {
|
|
bot.pathfinder.setMovements(new Movements(bot))
|
|
bot.pathfinder.setGoal(new goals.GoalBlock(guardPos.x, guardPos.y, guardPos.z))
|
|
}
|
|
|
|
// Called when the bot has killed it's target.
|
|
bot.on('stoppedAttacking', () => {
|
|
if (guardPos) {
|
|
moveToGuardPos()
|
|
}
|
|
})
|
|
|
|
// Check for new enemies to attack
|
|
bot.on('physicsTick', () => {
|
|
if (!guardPos) return // Do nothing if bot is not guarding anything
|
|
|
|
// Only look for mobs within 16 blocks
|
|
const filter = e => e.type === 'mob' && e.position.distanceTo(bot.entity.position) < 16 &&
|
|
e.displayName !== 'Armor Stand' // Mojang classifies armor stands as mobs for some reason?
|
|
|
|
const entity = bot.nearestEntity(filter)
|
|
if (entity) {
|
|
// Start attacking
|
|
bot.pvp.attack(entity)
|
|
}
|
|
})
|
|
|
|
// Listen for player commands
|
|
bot.on('chat', (username, message) => {
|
|
// Guard the location the player is standing
|
|
if (message === 'guard') {
|
|
const player = bot.players[username]
|
|
|
|
if (!player) {
|
|
bot.chat("I can't see you.")
|
|
return
|
|
}
|
|
|
|
bot.chat('I will guard that location.')
|
|
guardArea(player.entity.position)
|
|
}
|
|
|
|
// Stop guarding
|
|
if (message === 'stop') {
|
|
bot.chat('I will no longer guard this area.')
|
|
stopGuarding()
|
|
}
|
|
})
|