194 lines
6.6 KiB
Python
194 lines
6.6 KiB
Python
import os
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from math import floor
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import json
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import time
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from minecraft.networking.packets import clientbound, serverbound
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from mosfet.protocol import packets
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from mosfet import utils
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from mosfet.info import blocks
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class DataManager:
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def __init__(self, directory):
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self.blocks = {}
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self.blocks_states = {}
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self.blocks_properties = {}
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self.registries = {}
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self.biomes = {}
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self.entity_type = {}
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if not os.path.isdir(directory):
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raise FileNotFoundError("%s is not a valid directory")
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if not os.path.isfile("%s/registries.json"%(directory)):
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raise FileNotFoundError("%s is not a valid minecraft data directory")
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with open("%s/blocks.json"%(directory)) as f:
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blocks = json.loads(f.read())
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for x in blocks:
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for s in blocks[x]['states']:
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self.blocks_states[s['id']] = x
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self.blocks_properties[s['id']] = s.get('properties', {})
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with open("%s/registries.json"%(directory)) as f:
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registries = json.loads(f.read())
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#for x in registries["minecraft:biome"]["entries"]:
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# self.biomes[registries["minecraft:biome"]["entries"][x]["protocol_id"]] = x
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for x in registries["minecraft:entity_type"]["entries"]:
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self.entity_type[registries["minecraft:entity_type"]["entries"][x]["protocol_id"]] = x
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class ChunksManager:
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def __init__(self, data_manager):
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self.data = data_manager
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self.chunks = {}
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#self.biomes = {}
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self.index = {}
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self.loading = False
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def handle_block(self, block_packet):
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self.set_block_at(block_packet.location.x, block_packet.location.y, block_packet.location.z, block_packet.block_state_id)
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def handle_multiblock(self, multiblock_packet):
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dx = 16 * multiblock_packet.chunk_section_pos.x
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dy = 16 * multiblock_packet.chunk_section_pos.y
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dz = 16 * multiblock_packet.chunk_section_pos.z
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for b in multiblock_packet.records:
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self.set_block_at(dx+b.x, dy+b.y, dz+b.z, b.block_state_id)
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def handle_chunk(self, chunk_packet):
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for i in chunk_packet.chunks:
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chunk = chunk_packet.chunks[i]
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self.chunks[(chunk_packet.x, i, chunk_packet.z)] = chunk
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if chunk.sub_index:
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dx = chunk.x * 16
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dy = chunk.y * 16
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dz = chunk.z * 16
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for item_id, locations in chunk.sub_index.items():
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if item_id not in self.index:
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self.index[item_id] = []
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for l in locations:
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coords = (dx + l%16, dy + l//256, dz + l%256//16)
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self.index[item_id].append(coords)
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#self.biomes[(chunk_packet.x, None, chunk_packet.z)] = chunk_packet.biomes # FIXME
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if self.loading:
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print('.', end='', flush=True)
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def register(self, connection):
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connection.register_packet_listener(self.handle_block, clientbound.play.BlockChangePacket)
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connection.register_packet_listener(self.handle_multiblock, clientbound.play.MultiBlockChangePacket)
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connection.register_packet_listener(self.handle_chunk, packets.ChunkDataPacket)
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def get_chunk(self, x, y, z):
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index = (x, y, z)
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if not index in self.chunks:
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return None
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#raise ChunkNotLoadedException(index)
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return self.chunks[index]
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def get_loaded_area(self, ignore_empty=False):
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first = next(iter(self.chunks.keys()))
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x0 = x1 = first[0]
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y0 = y1 = first[1]
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z0 = z1 = first[2]
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for k in self.chunks.keys():
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if ignore_empty and self.chunks[k].empty:
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continue
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x0 = min(x0, k[0])
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x1 = max(x1, k[0])
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y0 = min(y0, k[1])
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y1 = max(y1, k[1])
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z0 = min(z0, k[2])
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z1 = max(z1, k[2])
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return ((x0,y0,z0),(x1,y1,z1))
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def get_block_at(self, x, y, z):
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c = self.get_chunk(floor(x/16), floor(y/16), floor(z/16))
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if not c: return None
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return c.get_block_at(x%16, y%16, z%16)
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def set_block_at(self, x, y, z, block):
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c = self.get_chunk(floor(x/16), floor(y/16), floor(z/16))
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if not c: return None
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c.set_block_at(x%16, y%16, z%16, block)
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if block in blocks.INDEXED_IDS:
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if block not in self.index:
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self.index[block] = []
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self.index[block].append((x, y, z))
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def check_loaded(self, chunk_distance):
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num = (chunk_distance * 2 + 1) ** 2
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num_subchunks = num * 16
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return len(self.chunks) >= num_subchunks
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def unload_chunk(self, x, z):
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for y in range(16):
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try:
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del self.chunks[(x, y, z)]
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except KeyError:
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pass
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def unload_all_chunks(self):
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self.chunks = {}
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self.index = {}
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class ChunkNotLoadedException(Exception):
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def __str__(self):
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pos = self.args[0]
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return "Chunk at %d %d %d not loaded (yet?)"%(pos[0], pos[1], pos[2])
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class ChatManager:
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def __init__(self, global_state):
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self.g = global_state
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self.handler = None
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self.g.connection.register_packet_listener(self.print_chat, clientbound.play.ChatMessagePacket)
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def translate_chat(self, data):
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if isinstance(data, str):
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return data
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result = data.get('text', '')
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result += data.get('translate', '')
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if 'with' in data:
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result += ' ' + ' '.join([self.translate_chat(x) for x in data['with']])
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elif 'extra' in data:
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result += ''.join([self.translate_chat(x) for x in data['extra']])
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return result
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def print_chat(self, chat_packet):
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#print(chat_packet)
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#print(chat_packet.json_data)
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#import json
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#print(json.dumps(json.loads(chat_packet.json_data), indent=4))
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try:
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source = chat_packet.field_string('position')
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sender = chat_packet.sender
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text = self.translate_chat(json.loads(chat_packet.json_data))
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print('[%s] %s'%(source, text))
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except Exception as ex:
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print('Exception %r on message (%s): %s' % (ex, chat_packet.field_string('position'), chat_packet.json_data))
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return
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if self.handler:
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self.handler((source, sender, text))
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def set_handler(self, func):
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self.handler = func
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def send(self, text):
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if not text:
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# Prevents connection bug when sending empty chat message
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return
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packet = serverbound.play.ChatPacket()
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packet.message = text
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self.g.connection.write_packet(packet)
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