A high-level, general purpose and modular minecraft bot using hot re-loadable (without restarting the bot!) plugins. Batteries included, launch to run!
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const { Movements } = require('mineflayer-pathfinder')
const v = require('vec3')
let cfg = {}
let bot = {}
// let moving
let pathfinder
let mcData
let movements = []
function initMoves(bot = bot, mcData = bot.mcData) {
if (movements.length > 0) {
bot.pathfinder.setMovements(movements.defaultMove)
return console.warn("go init: movements already initialized!", movements)
}
const normalMove = new Movements(bot, mcData)
normalMove.canDig = false
normalMove.scafoldingBlocks.push(mcData.blocksByName.slime_block.id)
normalMove.blocksCantBreak.add(mcData.blocksByName.glass.id)
normalMove.blocksToAvoid.add(mcData.blocksByName.magma_block.id)
movements.push(normalMove)
movements.defaultMove = movements[0]
bot.pathfinder.setMovements(normalMove)
}
function moveNear(pos, distance = 3) {
const { GoalNear } = require('mineflayer-pathfinder').goals
pos = v(pos)
cfg.quiet || bot.chat(`moving to ${pos.floored()}`)
bot.pathfinder.setMovements(movements.defaultMove)
bot.pathfinder.setGoal(new GoalNear(pos.x, pos.y, pos.z, distance))
}
function moveXZ(pos) {
const { GoalXZ } = require('mineflayer-pathfinder').goals
if (Array.isArray(pos) && pos.length == 2) {
pos = v(pos[0], 0, pos[1])
}
pos = v(pos)
console.log(pos)
cfg.quiet || bot.chat(`moving to ${pos.floored()}`)
bot.pathfinder.setMovements(movements.defaultMove)
bot.pathfinder.setGoal(new GoalXZ(pos.x, pos.z))
}
function moveY(pos) {
const { GoalY } = require('mineflayer-pathfinder').goals
if (Array.isArray(pos) && pos.length == 1) {
pos = v(null, pos[0], null)
}
pos = v(pos)
console.log(pos)
cfg.quiet || bot.chat(`moving to ${pos.floored()}`)
bot.pathfinder.setMovements(movements.defaultMove)
bot.pathfinder.setGoal(new GoalY(pos.y))
}
function follow(entity, dynamic = true, distance = 3) {
console.assert(entity)
const { GoalFollow } = require('mineflayer-pathfinder').goals
// console.log(entity)
cfg.quiet || bot.chat(
`following ${entity.type
}: ${entity.username || entity.displayName
}${dynamic ? "" : " once"}`
)
entity = entity.entity ? entity.entity : entity
// console.log(entity)
bot.pathfinder.setMovements(movements.defaultMove)
bot.pathfinder.setGoal(new GoalFollow(entity, distance), dynamic)
}
function away(entity = bot.nearestEntity(), invertInvert = true, dynamic = true, distance = 10) {
const currentGoal = bot.pathfinder.goal
console.assert(currentGoal || entity)
const { GoalInvert } = require('mineflayer-pathfinder').goals
bot.pathfinder.setMovements(movements.defaultMove)
if (!currentGoal) {
const { GoalFollow } = require('mineflayer-pathfinder').goals
if (entity.entity) {
console.log("go away entity:", entity, entity.entity)
entity = entity.entity
}
cfg.quiet || bot.chat(
`going away from ${entity?.type
}: ${entity?.username || entity?.displayName
}${dynamic ? "" : " once"}`
)
// alternative implementation
// follow(entity, dynamic, distance)
// bot.pathfinder.setGoal(new GoalInvert(bot.pathfinder.goal), dynamic)
return bot.pathfinder.setGoal(new GoalInvert(
new GoalFollow(entity, distance)
), dynamic)
}
if (currentGoal instanceof GoalInvert) {
const currEntity = currentGoal.goal.entity
console.log("go away inverse goal:", currentGoal.goal)
if (invertInvert) {
cfg.quiet || bot.chat(
`switching towards ${currentGoal.goal?.constructor.name
}: ${currEntity?.type
}: ${currEntity?.username || currEntity?.displayName
}${dynamic ? "" : " once"}`
)
bot.pathfinder.setGoal(currentGoal.goal, dynamic)
} else {
cfg.quiet || bot.chat(
`already going away from ${currentGoal.goal?.constructor.name
}; not switching`
)
}
} else {
const currEntity = currentGoal.entity
console.log("go away goal:", currentGoal)
cfg.quiet || bot.chat(
`going away from ${currentGoal?.constructor.name
}: ${currEntity?.type
}: ${currEntity?.username || currEntity?.displayName
}${dynamic ? "" : " once"}`
)
bot.pathfinder.setGoal(new GoalInvert(currentGoal), dynamic)
}
}
function ride(entity) {
entity = entity?.entity || entity
const ridableMobs = ["Horse", "Donkey", "Pig", "Strider", "Mule"]
const vehicle = entity && typeof entity !== "string" ? entity : bot.nearestEntity(e => {
if (typeof entity === "string") return e.name === entity
const maybeRidableMob = e.mobType?.split(" ")
return e.kind == "Vehicles"
|| ridableMobs.includes(e.mobType)
|| maybeRidableMob && ridableMobs.includes(maybeRidableMob[maybeRidableMob.length - 1])
})
if (!vehicle) {
return cfg.quiet || bot.chat(`nothing to ride!`)
} else if ((dist = bot.entity.position.distanceSquared(vehicle.position)) > 36) {
bot.lookAt(vehicle.position)
follow(vehicle, false)
bot.once('goal_reached', ride)
return cfg.quiet || bot.chat(`${vehicle.name} bit far`)
}
console.log("vehicle:", vehicle)
bot.mount(vehicle)
}
function moveOrRide(turn = false, reverse = -1, directionLabel, message_parts2) {
// bot.once("attach", state = "vehiccel")
if (bot.vehicle) {
// FIXME moveVehicle should be +-1 or 0?
const amount = parseInt(message_parts2[0]) * -reverse
bot.moveVehicle(turn && Math.sign(amount) || 0, !turn && amount || 0)
} else {
command([directionLabel].concat(message_parts2))
}
}
function hit(blockOrEntity) {
bot.chat(`hitting ${entity.name || entity.type}`)
}
function goalReached(goal) {
console.log(goal)
const entity = goal?.entity
let entityInfo = ""
if (entity) {
entityInfo += entity.type + ": "
switch (entity.type) {
case "player":
entityInfo += entity.username
break;
default:
break;
}
}
cfg.quiet || bot.chat(`goal reached: ${entityInfo}; pos: [x:${goal?.x}, y:${goal?.y}, z:${goal?.z}]`)
}
function stop() {
bot.pathfinder.setGoal(null)
bot.stopDigging()
}
function command(message_parts, player) {
const message_parts2 = message_parts.slice(1)
switch (message_parts[0]) {
case "init":
initMoves()
break
case "near":
switch (message_parts2.length) {
case 0:
moveNear(bot.nearestEntity().position)
break
case 1:
switch (message_parts2[0]) {
case "me":
if (player) {
moveNear(player.position)
} else {
cfg.quiet || bot.chat("can't see you")
}
break;
default:
const aPlayer = bot.players[message_parts2[0]] ? bot.players[message_parts2[0]].entity : null
if (aPlayer) {
moveNear(aPlayer.position)
} else {
cfg.quiet || bot.chat(`can't see ${message_parts2[0]}`)
}
break;
}
break
case 2:
//TODO this isn't near
moveXZ(message_parts2)
break
case 3:
//TODO more checks
moveNear(message_parts2)
break
default:
break
}
break
case "follow":
// message_parts2 = message_parts.slice(2)
switch (message_parts2.length) {
case 0:
follow(bot.nearestEntity())
break
case 1:
let dist = 3
switch (message_parts2[0]) {
case "close":
dist = 1
case "me":
case "once":
if (player) {
follow(player, message_parts2[0] === "me", dist)
} else {
cfg.quiet || bot.chat("can't see you")
}
break;
default:
const aPlayer = bot.players[message_parts2[0]] ? bot.players[message_parts2[0]].entity : null
if (aPlayer) {
follow(aPlayer)
} else {
cfg.quiet || bot.chat(`can't see ${message_parts2[0]}`)
}
break;
}
break
// case 2:
// bot.lookAt({}) goalxz?
// break
// case 3:
//TODO more checks
// moveNear(message_parts2)
// break
default:
cfg.quiet || bot.chat("unknown or bad command")
break
}
break
case "ride":
case "mount":
ride(message_parts2[0])
break
case "away":
case "run":
case "runaway":
away()
break
case "w":
case "f":
moveOrRide(0, -1, "forward", message_parts2)
break
case "s":
case "b":
moveOrRide(0, 1, "back", message_parts2)
break
case "a":
case "l":
moveOrRide(1, -1, "right", message_parts2)
break
case "d":
case "r":
moveOrRide(1, 1, "left", message_parts2)
break
case "up":
case "u":
case "j":
moveOrRide(1, 1, "left", message_parts2)
break
case "back":
case "forward":
case "jump":
case "left":
case "right":
case "sneak":
case "sprint":
console.info(bot.controlState[message_parts[0]], bot.entity.position.floored())
bot.setControlState(message_parts[0], true)
console.info(bot.controlState[message_parts[0]])
setTimeout(bot.setControlState, 100 * (message_parts[1] || 2), message_parts[0], false)
setTimeout(console.info, 5000, bot.controlState[message_parts[0]], bot.entity.position.floored())
break
case "stop":
stop()
break
default:
return cfg.quiet || bot.chat(`unknown command ${message_parts[0]}`)
}
}
const load = (config) => {
cfg = config
bot = cfg.bot
cfg.move = {
// auto: true,
canDig: false,
// list: ["hello", "wassup"],
quiet: !!cfg.quiet,
movements: []
}
mcData = bot.mcData || (bot.mcData = require('minecraft-data')(bot.version))
pathfinder = bot.pathfinder || bot.loadPlugin(require('mineflayer-pathfinder').pathfinder)
// initMoves(bot, mcData)
setTimeout(initMoves, 500, bot, mcData)
bot.on('goal_reached', goalReached)
}
const unload = () => {
stop()
bot.off('goal_reached', goalReached)
}
module.exports = {
load, unload, command,
stop, initMoves,
moveNear, moveXZ, moveY, follow,
ride
}