forked from itsapi/pycraft
/
server_interface.py
348 lines (257 loc) · 10.1 KB
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server_interface.py
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from threading import Thread, Event
from math import radians, floor, ceil
from time import time
from server import Server, log_event_send, log_event_receive
from console import log
from data import timings
import saves, terrain, network
chunk_size = terrain.world_gen['chunk_size']
class RemoteInterface:
"""
Communicate with remote server.
Uses self._send to communicate with Server
"""
def __init__(self, name, ip, port):
self.map_ = {}
self.slice_heights = {}
self.current_players = {}
self.game = True
self.error = None
self._name = name
# We cannot serve, we are connected to a server.
# TODO: Maybe we can do this better...?
self.serving = None
try:
self._sock = network.connect(ip, int(port))
except (ConnectionRefusedError, ValueError):
self.error = 'Cannot connect to server'
return
self._sock.setblocking(True)
self.finished_login = Event()
self._listener_t = Thread(target=self._listener)
self._listener_t.daemon = True
self._listener_t.start()
# Login
self._send('login', [self._name])
# Server doesn't respond
if not self.finished_login.wait(3):
self.error = 'No response from server on login'
log(self.error)
self._sock.close()
return
# Server responds with error
if self.error is not None:
log('Error response from server on login:', self.error)
self._sock.close()
return
# Login successful!
self.time = timings['tick']
self._dt = False
self._last_tick = time()
self._chunks_requested = set()
self._send('get_players')
self._send('get_time')
self.redraw = False
self.view_change = False
def _send(self, event, args=[]):
log_event_send(event, args, label='RemoteInterface')
network.send(self._sock, {'event': event, 'args': args})
def _listener(self):
while True:
data = network.receive(self._sock)
if data is None:
break
log_event_receive(data['event'], data['args'], label='RemoteInterface')
{'set_blocks': self._event_set_blocks,
'set_chunks': self._event_set_chunks,
'set_players': self._event_set_players,
'remove_player': self._event_remove_player,
'set_time': self._event_set_time,
'logout': self._event_logout,
'error': self._event_error
}[data['event']](*data.get('args', []))
if data['event'] == 'error':
break
# Handler network request methods:
def _event_set_blocks(self, blocks):
self.map_, _ = saves.set_blocks(self.map_, blocks)
self.view_change = True
def _event_set_chunks(self, new_chunks, new_slice_heights):
self.map_.update({int(key): list(value) for key, value in new_chunks.items()})
self.slice_heights.update({int(key): value for key, value in new_slice_heights.items()})
self._chunks_requested.difference_update(terrain.get_chunk_list(new_chunks.keys()))
self.view_change = True
def _event_set_players(self, players):
self.current_players.update(players)
self.redraw = True
# TODO: Move the login checks out of this method
if self._name in players and not self.finished_login.is_set():
log('FINISHED LOGIN')
self.finished_login.set()
def _event_remove_player(self, name):
self.current_players.pop(name)
self.redraw = True
def _event_set_time(self, time):
self.time = time
def _event_logout(self, error=None):
self.game = False
if error is not None:
self.error = error
try:
self._sock.close()
except OSError:
pass
def _event_error(self, error):
self.finished_login.set()
self.error = 'Error from server: ' + error['event'] + ': ' + error['message']
log(self.error)
self.game = False
# Main loop methods:
def get_chunks(self, chunk_list):
slices_its_loading = [(chunk_num + chunk * chunk_size) for chunk in chunk_list for chunk_num in range(chunk_size)]
self.map_.update({i: list(terrain.EMPTY_SLICE) for i in slices_its_loading})
self.slice_heights.update({i: terrain.world_gen['ground_height'] for i in slices_its_loading})
self._send('get_chunks', [chunk_list])
self._chunks_requested.update(chunk_list)
self.view_change = True
def chunk_loaded(self, x):
return (x // terrain.world_gen['chunk_size']) not in self._chunks_requested
def unload_slices(self, edges):
edges = [chunk_size * floor(edges[0] / chunk_size),
chunk_size * ceil(edges[1] / chunk_size)]
self.map_ = {x: s for x, s in self.map_.items() if x in range(*edges)}
self.slice_heights = {x: h for x, h in self.slice_heights.items() if x in range(*edges)}
# TODO: Figure out if we always need to send this...
self._send('unload_slices', [edges])
def set_blocks(self, blocks):
self._send('set_blocks', [blocks])
self._event_set_blocks(blocks)
def logout(self):
self._send('logout')
self._event_logout()
def dt(self):
if time() >= (1/timings['tps']) + self._last_tick:
self._last_tick = time()
self.time += 1
self._dt = True
else:
self._dt = False
return self._dt
def respawn(self):
self._send('respawn', [self._name])
@property
def pos(self):
return self.current_players[self._name]['player_x'], self.current_players[self._name]['player_y']
@property
def inv(self):
return self.current_players[self._name]['inv']
@pos.setter
def pos(self, pos):
self.current_players[self._name]['player_x'], self.current_players[self._name]['player_y'] = pos
self._send('set_player', [self._name, self.current_players[self._name]])
@inv.setter
def inv(self, inv):
self.current_players[self._name]['inv'] = inv
self._send('set_player', [self._name, self.current_players[self._name]])
# TODO: do the pause stuff
def pause(self, paused):
self.local_pause = paused
class LocalInterface:
"""
Communicate with local server.
Communicates directly with self._server
"""
def __init__(self, name, save, port):
self.game = True
self.error = None
self.serving = False
self.time = timings['tick']
self._name = name
self.current_players = {}
self._server = Server(name, save, port, self)
self._server.local_interface_login()
def _send(self, event, args=[]):
log_event_send(event, args, label='LocalInterface')
return self._server.handle(None, {'event': event, 'args': args})
def handle(self, data):
log_event_receive(data['event'], data['args'], label='LocalInterface')
{'set_blocks': self._event_view_change,
'set_chunks': self._event_view_change,
'set_players': self._event_set_players,
'remove_player': self._event_remove_player,
'set_time': self._event_set_time,
'logout': self._event_logout,
'error': self._event_error
}[data['event']](*data.get('args', []))
# Handler network request methods:
def _event_view_change(self, *args):
self.view_change = True
def _event_set_players(self, players):
self.current_players.update(players)
self.redraw = True
def _event_remove_player(self, name):
self.current_players.pop(name)
self.redraw = True
def _event_set_time(self, time):
self.time = time
def _event_logout(self, error=None):
if error is not None:
self.error = error
self.game = False
def _event_error(self, error):
self.error = 'Error from server: ' + error['event'] + ': ' + event['message']
log(self.error)
self.game = False
# Main loop methods:
def get_chunks(self, chunk_list):
slices_its_loading = ((chunk_num + chunk * chunk_size) for chunk in chunk_list for chunk_num in range(chunk_size))
self.handle(self._send('get_chunks', [chunk_list]))
self.view_change = True
def chunk_loaded(self, x):
return True
def unload_slices(self, edges):
edges = [chunk_size * floor(edges[0] / chunk_size),
chunk_size * ceil(edges[1] / chunk_size)]
self._send('unload_slices', [edges])
def set_blocks(self, blocks):
self._send('set_blocks', [blocks])
def logout(self):
if self.serving:
self.kill_server()
self._event_logout()
def init_server(self):
self.serving = True
self._server.local_interface_init_server()
def kill_server(self):
self.serving = False
self._server.local_interface_kill_server()
def dt(self):
dt, self.time = self._server.local_interface_dt()
return dt
def respawn(self):
self._send('respawn', [self._name])
@property
def pos(self):
return self.current_players[self._name]['player_x'], self.current_players[self._name]['player_y']
@property
def inv(self):
return self.current_players[self._name]['inv']
@pos.setter
def pos(self, pos):
self.current_players[self._name]['player_x'], self.current_players[self._name]['player_y'] = pos
self._send('set_player', [self._name, self.current_players[self._name]])
@inv.setter
def inv(self, inv):
self.current_players[self._name]['inv'] = inv
@property
def map_(self):
return self._server.local_interface_map()
@property
def slice_heights(self):
return self._server.local_interface_slice_heights()
@property
def port(self):
return self._server.port
# TODO: do the pause stuff
def pause(self, paused):
self.local_pause = paused