plomlompom.com Git - plomrogue2/blob - plomrogue/game.py

   1 from plomrogue.errors import GameError, PlayError
   2 from plomrogue.io import GameIO
   3 from plomrogue.misc import quote
   4 from plomrogue.mapping import YX, MapGeometrySquare, MapGeometryHex, Map
   5 import string
   6 import datetime
   7
   8
   9
  10 class GameBase:
  11
  12     def __init__(self):
  13         self.turn = 0
  14         self.things = []
  15         self.map_geometry = MapGeometrySquare(YX(32, 32))
  16         self.commands = {}
  17
  18     def get_thing(self, id_):
  19         for thing in self.things:
  20             if id_ == thing.id_:
  21                 return thing
  22         return None
  23
  24     def _register_object(self, obj, obj_type_desc, prefix):
  25         if not obj.__name__.startswith(prefix):
  26             raise GameError('illegal %s object name: %s' % (obj_type_desc, obj.__name__))
  27         obj_name = obj.__name__[len(prefix):]
  28         d = getattr(self, obj_type_desc + 's')
  29         d[obj_name] = obj
  30
  31     def register_command(self, command):
  32         self._register_object(command, 'command', 'cmd_')
  33
  34
  35
  36 class SaveableMap(Map):
  37     modified = False
  38
  39     def __setitem__(self, *args, **kwargs):
  40         super().__setitem__(*args, **kwargs)
  41         self.modified = True
  42
  43     def set_line(self, *args, **kwargs):
  44         super().set_line(*args, **kwargs)
  45         self.modified = True
  46
  47     def inside(self, yx):
  48         if yx.y < 0 or yx.x < 0 or \
  49            yx.y >= self.geometry.size.y or yx.x >= self.geometry.size.x:
  50             return False
  51         return True
  52
  53     def draw_presets(self, alternate_hex=0):
  54         old_modified = self.modified
  55         if type(self.geometry) == MapGeometrySquare:
  56             self.set_line(0, 'X' * self.geometry.size.x)
  57             self.set_line(1, 'X' * self.geometry.size.x)
  58             self.set_line(2, 'X' * self.geometry.size.x)
  59             self.set_line(3, 'X' * self.geometry.size.x)
  60             self.set_line(4, 'X' * self.geometry.size.x)
  61             for y in range(self.geometry.size.y):
  62                 self[YX(y, 0)] = 'X'
  63                 self[YX(y, 1)] = 'X'
  64                 self[YX(y, 2)] = 'X'
  65                 self[YX(y, 3)] = 'X'
  66                 self[YX(y, 4)] = 'X'
  67         elif type(self.geometry) == MapGeometryHex:
  68             # TODO: for this to work we need a map side length divisible by 6.
  69
  70             def draw_grid(offset=YX(0, 0)):
  71                 dirs = ('DOWNRIGHT', 'RIGHT', 'UPRIGHT', 'RIGHT')
  72
  73                 def draw_snake(start):
  74                     keep_running = True
  75                     yx = start
  76                     if self.inside(yx):
  77                         self[yx] = 'X'
  78                     while keep_running:
  79                         for direction in dirs:
  80                             if not keep_running:
  81                                 break
  82                             for dir_progress in range(distance):
  83                                 mover = getattr(self.geometry, 'move__' + direction)
  84                                 yx = mover(yx)
  85                                 if yx.x >= self.geometry.size.x:
  86                                     keep_running = False
  87                                     break
  88                                 if self.inside(yx):
  89                                     self[yx] = 'X'
  90
  91                 if alternate_hex:
  92                     draw_snake(offset + YX(0, 0))
  93                 draw_snake(offset + YX((0 + alternate_hex) * distance,
  94                            -int(1.5 * distance)))
  95                 draw_snake(offset + YX((1 + alternate_hex) * distance,
  96                            0))
  97                 draw_snake(offset + YX((2 + alternate_hex) * distance,
  98                            -int(1.5 * distance)))
  99
 100             distance = self.geometry.size.y // 3
 101             draw_grid()
 102             draw_grid(YX(2, 0))
 103             draw_grid(YX(0, 2))
 104             draw_grid(YX(1, 0))
 105             draw_grid(YX(0, 1))
 106             draw_grid(YX(-1, 0))
 107             draw_grid(YX(0, -1))
 108             draw_grid(YX(-2, 0))
 109             draw_grid(YX(0, -2))
 110         self.modified = old_modified
 111
 112
 113
 114 import os
 115 class Game(GameBase):
 116
 117     def __init__(self, save_file, *args, **kwargs):
 118         from plomrogue.misc import Terrain
 119         super().__init__(*args, **kwargs)
 120         self.changed = True
 121         self.changed_tiles = {'fov': [], 'other': []}
 122         self.io = GameIO(self, save_file)
 123         self.login_requests = []
 124         self.tasks = {}
 125         self.thing_types = {}
 126         self.sessions = {}
 127         self.faces = {}
 128         self.hats = {}
 129         self.maps = {}
 130         self.map_controls = {}
 131         self.map_control_passwords = {}
 132         self.annotations = {}
 133         self.spawn_point = YX(0, 0), YX(0, 0)
 134         self.portals = {}
 135         self.player_chars = string.digits + string.ascii_letters
 136         self.players_hat_chars = {}
 137         self.player_char_i = -1
 138         self.admin_passwords = []
 139         self.send_gamestate_min_interval = datetime.timedelta(seconds=0.04)
 140         self.last_send_gamestate = datetime.datetime.now() -\
 141             self.send_gamestate_min_interval
 142         self.terrains = {
 143             '.': Terrain('.', 'floor'),
 144             'X': Terrain('X', 'wall', blocks_light=True, blocks_sound=True,
 145                          blocks_movement=True),
 146             '=': Terrain('=', 'glass', blocks_sound=True, blocks_movement=True),
 147             'T': Terrain('T', 'table', blocks_movement=True),
 148         }
 149         if os.path.exists(self.io.save_file):
 150             if not os.path.isfile(self.io.save_file):
 151                 raise GameError('save file path refers to non-file')
 152
 153     def register_thing_type(self, thing_type):
 154         self._register_object(thing_type, 'thing_type', 'Thing_')
 155
 156     def register_task(self, task):
 157         self._register_object(task, 'task', 'Task_')
 158
 159     def read_savefile(self):
 160         if os.path.exists(self.io.save_file):
 161             with open(self.io.save_file, 'r') as f:
 162                 lines = f.readlines()
 163             for i in range(len(lines)):
 164                 line = lines[i]
 165                 print("FILE INPUT LINE %5s: %s" % (i, line), end='')
 166                 self.io.handle_input(line, god_mode=True)
 167
 168     def can_do_thing_with_pw(self, thing, pw):
 169         if thing.protection in self.map_control_passwords.keys():
 170             if pw != self.map_control_passwords[thing.protection]:
 171                 return False
 172         return True
 173
 174     def can_do_tile_with_pw(self, big_yx, little_yx, pw):
 175         map_control = self.get_map(big_yx, 'control')
 176         tile_class = map_control[little_yx]
 177         if tile_class in self.map_control_passwords.keys():
 178             tile_pw = self.map_control_passwords[tile_class]
 179             if pw != tile_pw:
 180                 return False
 181         return True
 182
 183     def get_string_options(self, string_option_type):
 184         if string_option_type == 'direction':
 185             return self.map_geometry.directions
 186         elif string_option_type == 'direction+here':
 187             return ['HERE'] + self.map_geometry.directions
 188         elif string_option_type == 'char':
 189             return [c for c in
 190                     string.digits + string.ascii_letters + string.punctuation + ' ']
 191         elif string_option_type == 'map_geometry':
 192             return ['Hex', 'Square']
 193         elif string_option_type == 'thing_type':
 194             return self.thing_types.keys()
 195         return None
 196
 197     def get_map_geometry_shape(self):
 198         return self.map_geometry.__class__.__name__[len('MapGeometry'):]
 199
 200     def get_player(self, connection_id):
 201         if connection_id not in self.sessions:
 202             return None
 203         player = self.get_thing(self.sessions[connection_id]['thing_id'])
 204         return player
 205
 206     def get_face(self, t):
 207         if t.type_ == 'Player':
 208             if t.name in self.faces:
 209                 return self.faces[t.name]
 210             else:
 211                 return '/O  O\\' + '| oo |' + '\\>--</'
 212         return None
 213
 214     def remove_thing(self, t):
 215         if t.carrying:
 216             t.uncarry()
 217         self.things.remove(t)
 218         self.record_change(t.position, 'other')
 219         if t.blocks_light:
 220             self.record_change(t.position, 'fov')
 221
 222     def add_thing(self, type_, position, id_=0):
 223         t_old = None
 224         if id_ > 0:
 225             t_old = self.get_thing(id_)
 226         t = self.thing_types[type_](self, id_=id_, position=position)
 227         if t_old:
 228             self.things[self.things.index(t_old)] = t
 229         else:
 230             self.things += [t]
 231         self.record_change(t.position, 'other')
 232         if t.blocks_light:
 233             self.record_change(t.position, 'fov')
 234         return t
 235
 236     def send_gamestate(self, connection_id=None):
 237         """Send out game state data relevant to clients."""
 238
 239         # TODO: limit to connection_id if provided
 240         from plomrogue.mapping import FovMap
 241         import multiprocessing
 242         if connection_id:
 243             c_ids = [connection_id]
 244         else:
 245             c_ids = [c_id for c_id in self.sessions]
 246         # Only recalc FOVs for players with ._fov = None
 247         player_fovs = []
 248         player_ids_send_fov = []
 249         player_ids_send_other = []
 250         for c_id in c_ids:
 251             player = self.get_player(c_id)
 252             if not player._fov:
 253                 player.prepare_multiprocessible_fov_stencil()
 254                 player_fovs += [player._fov]
 255                 player_ids_send_fov += [player.id_]
 256             if None in (player._seen_things,
 257                         player._seen_annotation_positions,
 258                         player._seen_portal_positions):
 259                 player_ids_send_other += [player.id_]
 260         new_fovs = []
 261         single_core_until = 16  # since multiprocess has its own overhead
 262         if len(player_fovs) > single_core_until:
 263             pool = multiprocessing.Pool()
 264             new_fovs = pool.map(FovMap.init_terrain, [fov for fov in player_fovs])
 265             pool.close()
 266             pool.join()
 267         elif len(player_fovs) <= single_core_until:
 268             for fov in player_fovs:
 269                 new_fovs += [fov.init_terrain()]
 270         for i in range(len(player_ids_send_fov)):
 271             id_ = player_ids_send_fov[i]
 272             player = self.get_thing(id_)
 273             player._fov = new_fovs[i]
 274         for c_id in c_ids:
 275             self.io.send('TURN ' + str(self.turn), c_id)
 276             player = self.get_player(c_id)
 277             self.io.send('PLAYERS_HAT_CHARS ' + quote(player.get_cookie_chars()),
 278                          c_id)
 279             self.io.send('STATS %s %s' % (player.need_for_toilet,
 280                                           player.weariness), c_id)
 281             if player.id_ in player_ids_send_fov:
 282                 self.io.send('FOV %s' % quote(player.fov_stencil.terrain), c_id)
 283                 self.io.send('MAP %s %s %s' % (self.get_map_geometry_shape(),
 284                                                player.fov_stencil.geometry.size,
 285                                                quote(player.visible_terrain)), c_id)
 286                 self.io.send('MAP_CONTROL %s' % quote(player.visible_control), c_id)
 287             if player.id_ in player_ids_send_other:
 288                 self.io.send('OTHER_WIPE', c_id)
 289                 for t in player.seen_things:
 290                     target_yx = player.fov_stencil.target_yx(*t.position)
 291                     self.io.send('THING %s %s %s %s %s %s'
 292                                  % (target_yx, t.type_, quote(t.protection), t.id_,
 293                                     int(t.portable), int(t.commandable)),
 294                                  c_id)
 295                     if hasattr(t, 'name'):
 296                         self.io.send('THING_NAME %s %s' % (t.id_, quote(t.name)), c_id)
 297                         if t.type_ == 'Player' and t.name in self.hats:
 298                             hat = self.hats[t.name]
 299                             self.io.send('THING_HAT %s %s' % (t.id_, quote(hat)), c_id)
 300                     face = self.get_face(t)
 301                     if face:
 302                         self.io.send('THING_FACE %s %s' % (t.id_, quote(face)), c_id)
 303                     if hasattr(t, 'thing_char'):
 304                         self.io.send('THING_CHAR %s %s' % (t.id_,
 305                                                            quote(t.thing_char)), c_id)
 306                     if hasattr(t, 'installable') and not t.portable:
 307                         self.io.send('THING_INSTALLED %s' % (t.id_), c_id)
 308                     if hasattr(t, 'design'):
 309                         self.io.send('THING_HAT %s %s' % (t.id_,
 310                                                           quote(t.design)), c_id)
 311                 for t in [t for t in player.seen_things if t.carrying]:
 312                     # send this last so all carryable things are already created
 313                     self.io.send('THING_CARRYING %s %s' % (t.id_, t.carrying.id_),
 314                                  c_id)
 315                 for position in player.seen_portal_positions:
 316                     target_yx = player.fov_stencil.target_yx(position[0],
 317                                                              position[1])
 318                     portal = self.portals[position[0]][position[1]]
 319                     self.io.send('PORTAL %s %s' % (target_yx, quote(portal)), c_id)
 320                 for position in player.seen_annotation_positions:
 321                     target_yx = player.fov_stencil.target_yx(position[0],
 322                                                              position[1])
 323                     annotation = self.annotations[position[0]][position[1]]
 324                     self.io.send('ANNOTATION %s %s' % (target_yx,
 325                                                        quote(annotation)), c_id)
 326             self.io.send('GAME_STATE_COMPLETE', c_id)
 327
 328     def record_change(self, position, type_):
 329         big_yx, little_yx = position
 330         self.changed_tiles[type_] += [self.map_geometry.undouble_yxyx(big_yx,
 331                                                                       little_yx)]
 332         self.changed = True
 333
 334     def login(self, nick, connection_id):
 335         for t in [t for t in self.things
 336                   if t.type_ == 'Player' and t.name == nick]:
 337             self.io.send('GAME_ERROR ' + quote('name already in use'),
 338                          connection_id)
 339             return
 340         t = self.add_thing('Player', self.spawn_point)
 341         t.name = nick
 342         t.thing_char = self.get_next_player_char()
 343         self.sessions[connection_id] = {
 344             'thing_id': t.id_,
 345             'status': 'player'
 346         }
 347         self.io.send('PLAYER_ID %s' % t.id_, connection_id)
 348         self.io.send('LOGIN_OK', connection_id)
 349         self.io.send('CHAT ' + quote(t.name + ' entered the map.'))
 350         for s in [s for s in self.things
 351                   if s.type_ == 'SpawnPoint' and s.name == t.name]:
 352             t.position = s.position
 353             break
 354
 355     def run_tick(self):
 356
 357         # update player sessions
 358         to_delete = []
 359         for connection_id in self.sessions:
 360             connection_id_found = False
 361             for server in self.io.servers:
 362                 if connection_id in server.clients:
 363                     connection_id_found = True
 364                     break
 365             if not connection_id_found:
 366                 t = self.get_player(connection_id)
 367                 if hasattr(t, 'name'):
 368                     self.io.send('CHAT ' + quote(t.name + ' left the map.'))
 369                 self.remove_thing(t)
 370                 to_delete += [connection_id]
 371         for connection_id in to_delete:
 372             del self.sessions[connection_id]
 373         while len(self.login_requests) > 0:
 374             login_request = self.login_requests.pop()
 375             self.login(login_request[0], login_request[1])
 376
 377         # update game state
 378         for t in [t for t in self.things]:
 379             if t in self.things:
 380                 try:
 381                     t.proceed()
 382                 except GameError as e:
 383                     for connection_id in [c_id for c_id in self.sessions
 384                                           if self.sessions[c_id]['thing_id'] == t.id_]:
 385                         self.io.send('GAME_ERROR ' + quote(str(e)), connection_id)
 386                 except PlayError as e:
 387                     for connection_id in [c_id for c_id in self.sessions
 388                                           if self.sessions[c_id]['thing_id'] == t.id_]:
 389                         self.io.send('PLAY_ERROR ' + quote(str(e)), connection_id)
 390
 391         # send gamestate if it makes sense at this point
 392         if self.changed:
 393             self.turn += 1
 394             # send_gamestate() can be rather expensive, due to among other reasons
 395             # re-calculating players' FOVs, so don't send it out too often
 396             if self.last_send_gamestate < \
 397                datetime.datetime.now() - self.send_gamestate_min_interval:
 398                 n_changes = 0
 399                 for type_ in self.changed_tiles:
 400                     n_changes += len(self.changed_tiles[type_])
 401                 if n_changes > 0:
 402                     for t in [t for t in self.things if t.type_ == 'Player']:
 403                         fov_radius = 12  # TODO: un-hardcode
 404                         absolute_position =\
 405                             self.map_geometry.undouble_yxyx(t.position[0],
 406                                                             t.position[1])
 407                         y_range_start = absolute_position.y - fov_radius
 408                         y_range_end = absolute_position.y + fov_radius
 409                         x_range_start = absolute_position.x - fov_radius
 410                         x_range_end = absolute_position.x + fov_radius
 411                         # TODO: refactor with SourcedMap.inside?
 412                         for type_ in self.changed_tiles:
 413                             for position in self.changed_tiles[type_]:
 414                                 if position.y < y_range_start\
 415                                    or position.y > y_range_end:
 416                                     continue
 417                                 if position.x < x_range_start\
 418                                    or position.x > x_range_end:
 419                                     continue
 420                                 t.invalidate(type_)
 421                                 break
 422                 self.send_gamestate()
 423                 self.changed = False
 424                 self.changed_tiles = {'fov': [], 'other': []}
 425                 self.save()
 426                 self.last_send_gamestate = datetime.datetime.now()
 427
 428     def get_command(self, command_name):
 429
 430         def partial_with_attrs(f, *args, **kwargs):
 431             from functools import partial
 432             p = partial(f, *args, **kwargs)
 433             p.__dict__.update(f.__dict__)
 434             return p
 435
 436         def cmd_TASK_colon(task_name, game, *args, connection_id):
 437             t = self.get_player(connection_id)
 438             if not t:
 439                 raise GameError('Not registered as player.')
 440             t.set_next_task(task_name, args)
 441
 442         def task_prefixed(command_name, task_prefix, task_command):
 443             if command_name.startswith(task_prefix):
 444                 task_name = command_name[len(task_prefix):]
 445                 if task_name in self.tasks:
 446                     f = partial_with_attrs(task_command, task_name, self)
 447                     task = self.tasks[task_name]
 448                     f.argtypes = task.argtypes
 449                     return f
 450             return None
 451
 452         command = task_prefixed(command_name, 'TASK:', cmd_TASK_colon)
 453         if command:
 454             return command
 455         if command_name in self.commands:
 456             f = partial_with_attrs(self.commands[command_name], self)
 457             return f
 458         return None
 459
 460     def new_thing_id(self):
 461         if len(self.things) == 0:
 462             return 1
 463         return max([t.id_ for t in self.things]) + 1
 464
 465     def get_next_player_char(self):
 466         self.player_char_i += 1
 467         if self.player_char_i >= len(self.player_chars):
 468             self.player_char_i = 0
 469         return self.player_chars[self.player_char_i]
 470
 471     def get_foo_blockers(self, foo):
 472         foo_blockers = ''
 473         for t in self.terrains.values():
 474             block_attr = getattr(t, 'blocks_' + foo)
 475             if block_attr:
 476                 foo_blockers += t.character
 477         return foo_blockers
 478
 479     def get_sound_blockers(self):
 480         return self.get_foo_blockers('sound')
 481
 482     def get_light_blockers(self):
 483         return self.get_foo_blockers('light')
 484
 485     def get_movement_blockers(self):
 486         return self.get_foo_blockers('movement')
 487
 488     def get_flatland(self):
 489         for t in self.terrains.values():
 490             if not t.blocks_movement:
 491                 return t.character
 492
 493     def save(self):
 494
 495         def write(f, msg):
 496             f.write(msg + '\n')
 497
 498         with open(self.io.save_file, 'w') as f:
 499             write(f, 'TURN %s' % self.turn)
 500             map_geometry_shape = self.get_map_geometry_shape()
 501             write(f, 'MAP %s %s' % (map_geometry_shape, self.map_geometry.size,))
 502             for terrain in self.terrains.values():
 503                 write(f, 'TERRAIN %s %s %s %s %s' % (quote(terrain.character),
 504                                                      quote(terrain.description),
 505                                                      int(terrain.blocks_light),
 506                                                      int(terrain.blocks_sound),
 507                                                      int(terrain.blocks_movement)))
 508                 if len(terrain.tags) > 0:
 509                     for tag in terrain.tags:
 510                         write(f, 'TERRAIN_TAG %s %s' % (quote(terrain.character),
 511                                                         quote(tag)))
 512             for big_yx in [yx for yx in self.maps if self.maps[yx].modified]:
 513                 for y, line in self.maps[big_yx].lines():
 514                     write(f, 'MAP_LINE %s %5s %s' % (big_yx, y, quote(line)))
 515             for big_yx in self.annotations:
 516                 for little_yx in self.annotations[big_yx]:
 517                     write(f, 'GOD_ANNOTATE %s %s %s' %
 518                           (big_yx, little_yx, quote(self.annotations[big_yx][little_yx])))
 519             for big_yx in self.portals:
 520                 for little_yx in self.portals[big_yx]:
 521                     write(f, 'GOD_PORTAL %s %s %s' % (big_yx, little_yx,
 522                                                       quote(self.portals[big_yx][little_yx])))
 523             for big_yx in [yx for yx in self.map_controls
 524                            if self.map_controls[yx].modified]:
 525                 for y, line in self.map_controls[big_yx].lines():
 526                     write(f, 'MAP_CONTROL_LINE %s %5s %s' % (big_yx, y, quote(line)))
 527             for tile_class in self.map_control_passwords:
 528                 write(f, 'MAP_CONTROL_PW %s %s' % (tile_class,
 529                                                    self.map_control_passwords[tile_class]))
 530             for pw in self.admin_passwords:
 531                 write(f, 'ADMIN_PASSWORD %s' % pw)
 532             for name in self.faces:
 533                 write(f, 'GOD_PLAYER_FACE %s %s' % (quote(name),
 534                                                     quote(self.faces[name])))
 535             for name in self.hats:
 536                 write(f, 'GOD_PLAYER_HAT %s %s' % (quote(name),
 537                                                    quote(self.hats[name])))
 538             for name in self.players_hat_chars:
 539                 write(f, 'GOD_PLAYERS_HAT_CHARS %s %s' %
 540                       (quote(name), quote(self.players_hat_chars[name])))
 541             for t in [t for t in self.things if not t.type_ == 'Player']:
 542                 write(f, 'THING %s %s %s %s' % (t.position[0],
 543                                                 t.position[1], t.type_, t.id_))
 544                 write(f, 'GOD_THING_PROTECTION %s %s' % (t.id_, quote(t.protection)))
 545                 if hasattr(t, 'name'):
 546                     write(f, 'GOD_THING_NAME %s %s' % (t.id_, quote(t.name)))
 547                 if hasattr(t, 'installable') and (not t.portable):
 548                     write(f, 'THING_INSTALLED %s' % t.id_)
 549                 if t.type_ == 'Door' and t.blocks_movement:
 550                     write(f, 'THING_DOOR_CLOSED %s %s' % (t.id_, int(t.locked)))
 551                 elif t.type_ == 'Hat':
 552                     write(f, 'THING_HAT_DESIGN %s %s' % (t.id_,
 553                                                          quote(t.design)))
 554                 elif t.type_ == 'MusicPlayer':
 555                     write(f, 'THING_MUSICPLAYER_SETTINGS %s %s %s %s' %
 556                           (t.id_, int(t.playing), t.playlist_index, int(t.repeat)))
 557                     for item in t.playlist:
 558                         write(f, 'THING_MUSICPLAYER_PLAYLIST_ITEM %s %s %s' %
 559                               (t.id_, quote(item[0]), item[1]))
 560                 elif t.type_ == 'Bottle' and not t.full:
 561                     write(f, 'THING_BOTTLE_EMPTY %s' % t.id_)
 562                 elif t.type_ == 'DoorKey':
 563                     write(f, 'THING_DOOR_KEY %s %s' % (t.id_, t.door.id_))
 564             write(f, 'SPAWN_POINT %s %s' % (self.spawn_point[0],
 565                                             self.spawn_point[1]))
 566
 567     def get_map(self, big_yx, type_='normal'):
 568         if type_ == 'normal':
 569             maps = self.maps
 570         elif type_ == 'control':
 571             maps = self.map_controls
 572         if big_yx not in maps:
 573             maps[big_yx] = SaveableMap(self.map_geometry)
 574             if type_ == 'control':
 575                 maps[big_yx].draw_presets(big_yx.y % 2)
 576         return maps[big_yx]
 577
 578     def new_world(self, map_geometry):
 579         self.maps = {}
 580         self.map_controls = {}
 581         self.annotations = {}
 582         self.portals = {}
 583         self.admin_passwords = []
 584         self.spawn_point = YX(0, 0), YX(0, 0)
 585         self.map_geometry = map_geometry
 586         self.map_control_passwords = {'X': 'secret'}
 587         self.get_map(YX(0, 0))
 588         self.get_map(YX(0, 0), 'control')
 589         self.annotations = {}