minecraft-bot/packet_handlers.py

import re
import time
import importlib

from panda3d.core import LPoint3f

from minecraft.networking.packets import Packet, clientbound, serverbound

import utils
importlib.reload(utils)
import path
importlib.reload(path)

def handle_join_game(packet, g):
    print('Connected.')
    print(packet)
    g.info = packet

def handle_block_change(packet, g):
    l = g.local_state

    if packet.block_state_id == 3887:
        try:
            l.goal = LPoint3f(x=packet.location[0], y=packet.location[1], z=packet.location[2])
            print('new waypoint:', l.goal)

            start = time.time()
            solution = path.Pathfinder(g.chunks).astar(utils.pint(g.pos), utils.pint(l.goal))
            if solution:
                solution = list(solution)
                l.path = solution
                #l.jobstate.state = l.jobstate.stop
                print(len(solution))
                print(solution)
                print(round(time.time() - start, 3), 'seconds')
            else:
                print('No path found')
                #say(connection, 'No path found')

            #l.y_v = 10.0
            #l.y_a = -36.0
        except BaseException as e:
            import traceback
            print(traceback.format_exc())

def handle_position_and_look(packet, g):
    print('pos and look:')
    print(packet)
    p = LPoint3f(x=packet.x, y=packet.y, z=packet.z)
    g.pos = p

def handle_chat(message, g):
    source, text = message
    reply = None

    match = re.match(r'<(\w+)> (.*)', text)
    if match:
        sender, text = match.groups()
    else:
        return

    if text.startswith('! '):
        text = text[2:]
    elif text.startswith('!'):
        text = text[1:]
    else:
        return

    if ' ' in text:
        command = text.split(' ', 1)[0]
        data = text.split(' ', 1)[1]
    else:
        command = text

    if command == 'ping':
        reply = 'pong'

    if command == 'echo' and data:
        reply = data

    if command == 'respawn':
        packet = serverbound.play.ClientStatusPacket()
        packet.action_id = serverbound.play.ClientStatusPacket.RESPAWN
        g.connection.write_packet(packet)
        reply = 'ok'

    if command == 'pos':
        reply = str(utils.pint(g.pos))[1:-1]

    if command == 'afk':
        reply = '/afk'

    if command == 'error':
        reply = 'ok'
        raise

    if reply:
        print(reply)
        g.chat.send(reply)

def handle_time_update(packet, g):
    l = g.local_state
    l.time = packet.time_of_day % 24000

def handle_set_slot(packet, g):
    print(packet)
    if packet.window_id == 0:
        g.inv[packet.slot] = packet.slot_data