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