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 = []
 122         self.io = GameIO(self, save_file)
 123         self.tasks = {}
 124         self.thing_types = {}
 125         self.sessions = {}
 126         self.faces = {}
 127         self.hats = {}
 128         self.maps = {}
 129         self.map_controls = {}
 130         self.map_control_passwords = {}
 131         self.annotations = {}
 132         self.spawn_point = YX(0, 0), YX(0, 0)
 133         self.portals = {}
 134         self.player_chars = string.digits + string.ascii_letters
 135         self.players_hat_chars = {}
 136         self.player_char_i = -1
 137         self.admin_passwords = []
 138         self.send_gamestate_interval = datetime.timedelta(seconds=0.04)
 139         self.last_send_gamestate = datetime.datetime.now() -\
 140             self.send_gamestate_interval
 141         self.terrains = {
 142             '.': Terrain('.', 'floor'),
 143             'X': Terrain('X', 'wall', blocks_light=True, blocks_sound=True,
 144                          blocks_movement=True),
 145             '=': Terrain('=', 'glass', blocks_sound=True, blocks_movement=True),
 146             'T': Terrain('T', 'table', blocks_movement=True),
 147         }
 148         if os.path.exists(self.io.save_file):
 149             if not os.path.isfile(self.io.save_file):
 150                 raise GameError('save file path refers to non-file')
 151
 152     def register_thing_type(self, thing_type):
 153         self._register_object(thing_type, 'thing_type', 'Thing_')
 154
 155     def register_task(self, task):
 156         self._register_object(task, 'task', 'Task_')
 157
 158     def read_savefile(self):
 159         if os.path.exists(self.io.save_file):
 160             with open(self.io.save_file, 'r') as f:
 161                 lines = f.readlines()
 162             for i in range(len(lines)):
 163                 line = lines[i]
 164                 print("FILE INPUT LINE %5s: %s" % (i, line), end='')
 165                 self.io.handle_input(line, god_mode=True)
 166
 167     def can_do_thing_with_pw(self, thing, pw):
 168         if thing.protection in self.map_control_passwords.keys():
 169             if pw != self.map_control_passwords[thing.protection]:
 170                 return False
 171         return True
 172
 173     def can_do_tile_with_pw(self, big_yx, little_yx, pw):
 174         map_control = self.get_map(big_yx, 'control')
 175         tile_class = map_control[little_yx]
 176         if tile_class in self.map_control_passwords.keys():
 177             tile_pw = self.map_control_passwords[tile_class]
 178             if pw != tile_pw:
 179                 return False
 180         return True
 181
 182     def get_string_options(self, string_option_type):
 183         if string_option_type == 'direction':
 184             return self.map_geometry.directions
 185         elif string_option_type == 'direction+here':
 186             return ['HERE'] + self.map_geometry.directions
 187         elif string_option_type == 'char':
 188             return [c for c in
 189                     string.digits + string.ascii_letters + string.punctuation + ' ']
 190         elif string_option_type == 'map_geometry':
 191             return ['Hex', 'Square']
 192         elif string_option_type == 'thing_type':
 193             return self.thing_types.keys()
 194         return None
 195
 196     def get_map_geometry_shape(self):
 197         return self.map_geometry.__class__.__name__[len('MapGeometry'):]
 198
 199     def get_player(self, connection_id):
 200         if connection_id not in self.sessions:
 201             return None
 202         player = self.get_thing(self.sessions[connection_id]['thing_id'])
 203         return player
 204
 205     def get_face(self, t):
 206         if t.type_ == 'Player':
 207             if t.name in self.faces:
 208                 return self.faces[t.name]
 209             else:
 210                 return '/O  O\\' + '| oo |' + '\\>--</'
 211         return None
 212
 213     def remove_thing(self, t):
 214         if t.carrying:
 215             t.uncarry()
 216         self.things.remove(t)
 217         self.record_fov_change(t.position)
 218
 219     def add_thing(self, type_, position, id_=0):
 220         t_old = None
 221         if id_ > 0:
 222             t_old = self.get_thing(id_)
 223         t = self.thing_types[type_](self, id_=id_, position=position)
 224         if t_old:
 225             self.things[self.things.index(t_old)] = t
 226         else:
 227             self.things += [t]
 228         self.record_fov_change(t.position)
 229         return t
 230
 231     def send_gamestate(self, connection_id=None):
 232         """Send out game state data relevant to clients."""
 233
 234         # TODO: limit to connection_id if provided
 235         from plomrogue.mapping import FovMap
 236         import multiprocessing
 237         if connection_id:
 238             c_ids = [connection_id]
 239         else:
 240             c_ids = [c_id for c_id in self.sessions]
 241         # Only recalc FOVs for players with ._fov = None
 242         player_fovs = []
 243         player_fov_ids = []
 244         for c_id in c_ids:
 245             player = self.get_player(c_id)
 246             if player._fov:
 247                 continue
 248             player.prepare_multiprocessible_fov_stencil()
 249             player_fovs += [player._fov]
 250             player_fov_ids += [player.id_]
 251         new_fovs = []
 252         single_core_until = 16  # since multiprocess has its own overhead
 253         if len(player_fovs) > single_core_until:
 254             pool = multiprocessing.Pool()
 255             new_fovs = pool.map(FovMap.init_terrain, [fov for fov in player_fovs])
 256             pool.close()
 257             pool.join()
 258         elif len(player_fovs) <= single_core_until:
 259             for fov in player_fovs:
 260                 new_fovs += [fov.init_terrain()]
 261         for i in range(len(player_fov_ids)):
 262             id_ = player_fov_ids[i]
 263             player = self.get_thing(id_)
 264             player._fov = new_fovs[i]
 265         for c_id in c_ids:
 266             self.io.send('TURN ' + str(self.turn), c_id)
 267             player = self.get_player(c_id)
 268             if player.id_ in player_fov_ids:
 269                 self.io.send('FOV %s' % quote(player.fov_stencil.terrain), c_id)
 270                 self.io.send('MAP %s %s %s' % (self.get_map_geometry_shape(),
 271                                                player.fov_stencil.geometry.size,
 272                                                quote(player.visible_terrain)), c_id)
 273                 self.io.send('MAP_CONTROL %s' % quote(player.visible_control), c_id)
 274             if player.id_ in player_fov_ids:
 275                 # FIXME: Many of the following updates are triggered by technically
 276                 # inappropriate calls to game.record_fov_change, since they depict
 277                 # states that might change independent of FOV changes.  They are
 278                 # collected here as a shortcut, but a cleaner way would be to
 279                 # differentiate the changes somehow.
 280                 self.io.send('PSEUDO_FOV_WIPE', c_id)
 281                 self.io.send('PLAYERS_HAT_CHARS ' + quote(player.get_cookie_chars()),
 282                              c_id)
 283                 for t in player.seen_things:
 284                     target_yx = player.fov_stencil.target_yx(*t.position)
 285                     self.io.send('THING %s %s %s %s %s %s'
 286                                  % (target_yx, t.type_, quote(t.protection), t.id_,
 287                                     int(t.portable), int(t.commandable)),
 288                                  c_id)
 289                     if hasattr(t, 'name'):
 290                         self.io.send('THING_NAME %s %s' % (t.id_, quote(t.name)), c_id)
 291                         if t.type_ == 'Player' and t.name in self.hats:
 292                             hat = self.hats[t.name]
 293                             self.io.send('THING_HAT %s %s' % (t.id_, quote(hat)), c_id)
 294                     face = self.get_face(t)
 295                     if face:
 296                         self.io.send('THING_FACE %s %s' % (t.id_, quote(face)), c_id)
 297                     if hasattr(t, 'thing_char'):
 298                         self.io.send('THING_CHAR %s %s' % (t.id_,
 299                                                            quote(t.thing_char)), c_id)
 300                     if hasattr(t, 'installable') and not t.portable:
 301                         self.io.send('THING_INSTALLED %s' % (t.id_), c_id)
 302                     if hasattr(t, 'design'):
 303                         self.io.send('THING_HAT %s %s' % (t.id_,
 304                                                           quote(t.design)), c_id)
 305                 for t in [t for t in player.seen_things if t.carrying]:
 306                     # send this last so all carryable things are already created
 307                     self.io.send('THING_CARRYING %s %s' % (t.id_, t.carrying.id_),
 308                                  c_id)
 309                 for big_yx in self.portals:
 310                     for little_yx in [little_yx for little_yx in self.portals[big_yx]
 311                                       if player.fov_test(big_yx, little_yx)]:
 312                         target_yx = player.fov_stencil.target_yx(big_yx, little_yx)
 313                         portal = self.portals[big_yx][little_yx]
 314                         self.io.send('PORTAL %s %s' % (target_yx, quote(portal)), c_id)
 315                 for big_yx in self.annotations:
 316                     for little_yx in [little_yx for little_yx in self.annotations[big_yx]
 317                                       if player.fov_test(big_yx, little_yx)]:
 318                         target_yx = player.fov_stencil.target_yx(big_yx, little_yx)
 319                         annotation = self.annotations[big_yx][little_yx]
 320                         self.io.send('ANNOTATION %s %s' % (target_yx,
 321                                                            quote(annotation)), c_id)
 322             self.io.send('GAME_STATE_COMPLETE', c_id)
 323
 324     def record_fov_change(self, position):
 325         big_yx, little_yx = position
 326         self.changed_tiles += [self.map_geometry.undouble_yxyx(big_yx,
 327                                                                little_yx)]
 328         self.changed = True
 329
 330     def run_tick(self):
 331         to_delete = []
 332         for connection_id in self.sessions:
 333             connection_id_found = False
 334             for server in self.io.servers:
 335                 if connection_id in server.clients:
 336                     connection_id_found = True
 337                     break
 338             if not connection_id_found:
 339                 t = self.get_player(connection_id)
 340                 if hasattr(t, 'name'):
 341                     self.io.send('CHAT ' + quote(t.name + ' left the map.'))
 342                 self.remove_thing(t)
 343                 to_delete += [connection_id]
 344         for connection_id in to_delete:
 345             del self.sessions[connection_id]
 346             # self.changed = True  already handled by remove_thing
 347         for t in [t for t in self.things]:
 348             if t in self.things:
 349                 try:
 350                     t.proceed()
 351                 except GameError as e:
 352                     for connection_id in [c_id for c_id in self.sessions
 353                                           if self.sessions[c_id]['thing_id'] == t.id_]:
 354                         self.io.send('GAME_ERROR ' + quote(str(e)), connection_id)
 355                 except PlayError as e:
 356                     for connection_id in [c_id for c_id in self.sessions
 357                                           if self.sessions[c_id]['thing_id'] == t.id_]:
 358                         self.io.send('PLAY_ERROR ' + quote(str(e)), connection_id)
 359         if self.changed:
 360             self.turn += 1
 361             # send_gamestate() can be rather expensive, due to among other reasons
 362             # re-calculating players' FOVs, so don't send it out too often
 363             if self.last_send_gamestate < \
 364                datetime.datetime.now() -self.send_gamestate_interval:
 365                 if len(self.changed_tiles) > 0:
 366                     for t in [t for t in self.things if t.type_ == 'Player']:
 367                         fov_radius = 12  # TODO: un-hardcode
 368                         absolute_position =\
 369                             self.map_geometry.undouble_yxyx(t.position[0],
 370                                                             t.position[1])
 371                         y_range_start = absolute_position.y - fov_radius
 372                         y_range_end = absolute_position.y + fov_radius
 373                         x_range_start = absolute_position.x - fov_radius
 374                         x_range_end = absolute_position.x + fov_radius
 375                         # TODO: refactor with SourcedMap.inside?
 376                         for position in self.changed_tiles:
 377                             if position.y < y_range_start\
 378                                or position.y > y_range_end:
 379                                 continue
 380                             if position.x < x_range_start\
 381                                or position.x > x_range_end:
 382                                 continue
 383                             t.invalidate_map_view()
 384                             break
 385                 self.send_gamestate()
 386                 self.changed = False
 387                 self.changed_tiles = []
 388                 self.save()
 389                 self.last_send_gamestate = datetime.datetime.now()
 390
 391     def get_command(self, command_name):
 392
 393         def partial_with_attrs(f, *args, **kwargs):
 394             from functools import partial
 395             p = partial(f, *args, **kwargs)
 396             p.__dict__.update(f.__dict__)
 397             return p
 398
 399         def cmd_TASK_colon(task_name, game, *args, connection_id):
 400             t = self.get_player(connection_id)
 401             if not t:
 402                 raise GameError('Not registered as player.')
 403             t.set_next_task(task_name, args)
 404
 405         def task_prefixed(command_name, task_prefix, task_command):
 406             if command_name.startswith(task_prefix):
 407                 task_name = command_name[len(task_prefix):]
 408                 if task_name in self.tasks:
 409                     f = partial_with_attrs(task_command, task_name, self)
 410                     task = self.tasks[task_name]
 411                     f.argtypes = task.argtypes
 412                     return f
 413             return None
 414
 415         command = task_prefixed(command_name, 'TASK:', cmd_TASK_colon)
 416         if command:
 417             return command
 418         if command_name in self.commands:
 419             f = partial_with_attrs(self.commands[command_name], self)
 420             return f
 421         return None
 422
 423     def new_thing_id(self):
 424         if len(self.things) == 0:
 425             return 1
 426         return max([t.id_ for t in self.things]) + 1
 427
 428     def get_next_player_char(self):
 429         self.player_char_i += 1
 430         if self.player_char_i >= len(self.player_chars):
 431             self.player_char_i = 0
 432         return self.player_chars[self.player_char_i]
 433
 434     def get_foo_blockers(self, foo):
 435         foo_blockers = ''
 436         for t in self.terrains.values():
 437             block_attr = getattr(t, 'blocks_' + foo)
 438             if block_attr:
 439                 foo_blockers += t.character
 440         return foo_blockers
 441
 442     def get_sound_blockers(self):
 443         return self.get_foo_blockers('sound')
 444
 445     def get_light_blockers(self):
 446         return self.get_foo_blockers('light')
 447
 448     def get_movement_blockers(self):
 449         return self.get_foo_blockers('movement')
 450
 451     def get_flatland(self):
 452         for t in self.terrains.values():
 453             if not t.blocks_movement:
 454                 return t.character
 455
 456     def save(self):
 457
 458         def write(f, msg):
 459             f.write(msg + '\n')
 460
 461         with open(self.io.save_file, 'w') as f:
 462             write(f, 'TURN %s' % self.turn)
 463             map_geometry_shape = self.get_map_geometry_shape()
 464             write(f, 'MAP %s %s' % (map_geometry_shape, self.map_geometry.size,))
 465             for terrain in self.terrains.values():
 466                 write(f, 'TERRAIN %s %s %s %s %s' % (quote(terrain.character),
 467                                                      quote(terrain.description),
 468                                                      int(terrain.blocks_light),
 469                                                      int(terrain.blocks_sound),
 470                                                      int(terrain.blocks_movement)))
 471             for big_yx in [yx for yx in self.maps if self.maps[yx].modified]:
 472                 for y, line in self.maps[big_yx].lines():
 473                     write(f, 'MAP_LINE %s %5s %s' % (big_yx, y, quote(line)))
 474             for big_yx in self.annotations:
 475                 for little_yx in self.annotations[big_yx]:
 476                     write(f, 'GOD_ANNOTATE %s %s %s' %
 477                           (big_yx, little_yx, quote(self.annotations[big_yx][little_yx])))
 478             for big_yx in self.portals:
 479                 for little_yx in self.portals[big_yx]:
 480                     write(f, 'GOD_PORTAL %s %s %s' % (big_yx, little_yx,
 481                                                       quote(self.portals[big_yx][little_yx])))
 482             for big_yx in [yx for yx in self.map_controls
 483                            if self.map_controls[yx].modified]:
 484                 for y, line in self.map_controls[big_yx].lines():
 485                     write(f, 'MAP_CONTROL_LINE %s %5s %s' % (big_yx, y, quote(line)))
 486             for tile_class in self.map_control_passwords:
 487                 write(f, 'MAP_CONTROL_PW %s %s' % (tile_class,
 488                                                    self.map_control_passwords[tile_class]))
 489             for pw in self.admin_passwords:
 490                 write(f, 'ADMIN_PASSWORD %s' % pw)
 491             for name in self.faces:
 492                 write(f, 'GOD_PLAYER_FACE %s %s' % (quote(name),
 493                                                     quote(self.faces[name])))
 494             for name in self.hats:
 495                 write(f, 'GOD_PLAYER_HAT %s %s' % (quote(name),
 496                                                    quote(self.hats[name])))
 497             for name in self.players_hat_chars:
 498                 write(f, 'GOD_PLAYERS_HAT_CHARS %s %s' %
 499                       (quote(name), quote(self.players_hat_chars[name])))
 500             for t in [t for t in self.things if not t.type_ == 'Player']:
 501                 write(f, 'THING %s %s %s %s' % (t.position[0],
 502                                                 t.position[1], t.type_, t.id_))
 503                 write(f, 'GOD_THING_PROTECTION %s %s' % (t.id_, quote(t.protection)))
 504                 if hasattr(t, 'name'):
 505                     write(f, 'GOD_THING_NAME %s %s' % (t.id_, quote(t.name)))
 506                 if hasattr(t, 'installable') and (not t.portable):
 507                     write(f, 'THING_INSTALLED %s' % t.id_)
 508                 if t.type_ == 'Door' and t.blocking:
 509                     write(f, 'THING_DOOR_CLOSED %s' % t.id_)
 510                 elif t.type_ == 'Hat':
 511                     write(f, 'THING_HAT_DESIGN %s %s' % (t.id_,
 512                                                          quote(t.design)))
 513                 elif t.type_ == 'MusicPlayer':
 514                     write(f, 'THING_MUSICPLAYER_SETTINGS %s %s %s %s' %
 515                           (t.id_, int(t.playing), t.playlist_index, int(t.repeat)))
 516                     for item in t.playlist:
 517                         write(f, 'THING_MUSICPLAYER_PLAYLIST_ITEM %s %s %s' %
 518                               (t.id_, quote(item[0]), item[1]))
 519                 elif t.type_ == 'Bottle' and not t.full:
 520                     write(f, 'THING_BOTTLE_EMPTY %s' % t.id_)
 521             write(f, 'SPAWN_POINT %s %s' % (self.spawn_point[0],
 522                                             self.spawn_point[1]))
 523
 524     def get_map(self, big_yx, type_='normal'):
 525         if type_ == 'normal':
 526             maps = self.maps
 527         elif type_ == 'control':
 528             maps = self.map_controls
 529         if big_yx not in maps:
 530             maps[big_yx] = SaveableMap(self.map_geometry)
 531             if type_ == 'control':
 532                 maps[big_yx].draw_presets(big_yx.y % 2)
 533         return maps[big_yx]
 534
 535     def new_world(self, map_geometry):
 536         self.maps = {}
 537         self.map_controls = {}
 538         self.annotations = {}
 539         self.portals = {}
 540         self.admin_passwords = []
 541         self.spawn_point = YX(0, 0), YX(0, 0)
 542         self.map_geometry = map_geometry
 543         self.map_control_passwords = {'X': 'secret'}
 544         self.get_map(YX(0, 0))
 545         self.get_map(YX(0, 0), 'control')
 546         self.annotations = {}