minecraft-bot/custom/managers/chat.py

43 lines
1.4 KiB
Python

import json
from minecraft.networking.packets import clientbound, serverbound
class ChatManager:
def __init__(self, global_state):
self.g = global_state
self.handler = None
self.g.connection.register_packet_listener(self.print_chat, clientbound.play.ChatMessagePacket)
def translate_chat(self, data):
if isinstance(data, str):
return data
elif 'extra' in data:
return ''.join([self.translate_chat(x) for x in data['extra']])
elif 'text' in data:
return data['text']
else:
return '?'
def print_chat(self, chat_packet):
# TODO: Replace with handler
try:
source = chat_packet.field_string('position')
text = self.translate_chat(json.loads(chat_packet.json_data))
print('[%s] %s'%(source, text))
if self.handler:
self.handler((source, text))
except Exception as ex:
print('Exception %r on message (%s): %s' % (ex, chat_packet.field_string('position'), chat_packet.json_data))
def set_handler(self, func):
self.handler = func
def send(self, text):
if not text:
# Prevents connection bug when sending empty chat message
return
packet = serverbound.play.ChatPacket()
packet.message = text
self.g.connection.write_packet(packet)