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[plomrogue2] / 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(24, 40))
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         super().__init__(*args, **kwargs)
119         self.changed = True
120         self.io = GameIO(self, save_file)
121         self.tasks = {}
122         self.thing_types = {}
123         self.sessions = {}
124         self.faces = {}
125         self.hats = {}
126         self.maps = {}
127         self.map_controls = {}
128         self.map_control_passwords = {}
129         self.annotations = {}
130         self.spawn_point = YX(0, 0), YX(0, 0)
131         self.portals = {}
132         self.player_chars = string.digits + string.ascii_letters
133         self.player_char_i = -1
134         self.admin_passwords = []
135         self.send_gamestate_interval = datetime.timedelta(seconds=0.04)
136         self.last_send_gamestate = datetime.datetime.now() -\
137             self.send_gamestate_interval
138         self.terrains = {
139             '.': 'floor',
140             'X': 'wall',
141             '=': 'window',
142             '#': 'bed',
143             'T': 'desk',
144             '8': 'cupboard',
145             '[': 'glass door',
146             'o': 'sink',
147             'O': 'toilet'
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 == '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' + ' v ' + '>-<'
210         return None
211
212     def send_gamestate(self, connection_id=None):
213         """Send out game state data relevant to clients."""
214
215         # TODO: limit to connection_id if provided
216         self.io.send('TURN ' + str(self.turn))
217         from plomrogue.mapping import FovMap
218         import multiprocessing
219         pool = multiprocessing.Pool()
220         players = []
221         c_ids = [c_id for c_id in self.sessions]
222         for c_id in c_ids:
223             players += [self.get_player(c_id)]
224         player_fovs = []
225         for player in players:
226             player.prepare_multiprocessible_fov_stencil()
227             player_fovs += [player._fov]
228         new_fovs = pool.map(FovMap.init_terrain, [fov for fov in player_fovs])
229         for i in range(len(players)):
230             players[i]._fov = new_fovs[i]
231         pool.close()
232         pool.join()
233         for c_id in c_ids:
234             player = self.get_player(c_id)
235             visible_terrain = player.fov_stencil_map()
236             self.io.send('FOV %s' % quote(player.fov_stencil.terrain), c_id)
237             self.io.send('MAP %s %s %s' % (self.get_map_geometry_shape(),
238                                            player.fov_stencil.geometry.size,
239                                            quote(visible_terrain)), c_id)
240             visible_control = player.fov_stencil_map('control')
241             self.io.send('MAP_CONTROL %s' % quote(visible_control), c_id)
242             for t in [t for t in self.things if player.fov_test(*t.position)]:
243                 target_yx = player.fov_stencil.target_yx(*t.position)
244                 self.io.send('THING %s %s %s %s %s' % (target_yx, t.type_,
245                                                        quote(t.protection),
246                                                        t.id_, int(t.portable)),
247                              c_id)
248                 if hasattr(t, 'name'):
249                     self.io.send('THING_NAME %s %s' % (t.id_, quote(t.name)), c_id)
250                     if t.type_ == 'Player' and t.name in self.hats:
251                         hat = self.hats[t.name]
252                         self.io.send('THING_HAT %s %s' % (t.id_, quote(hat)), c_id)
253                 face = self.get_face(t)
254                 if face:
255                     self.io.send('THING_FACE %s %s' % (t.id_, quote(face)), c_id)
256                 if hasattr(t, 'thing_char'):
257                     self.io.send('THING_CHAR %s %s' % (t.id_,
258                                                        quote(t.thing_char)), c_id)
259                 if hasattr(t, 'carrying') and t.carrying:
260                     self.io.send('THING_CARRYING %s' % (t.id_), c_id)
261                 if hasattr(t, 'installable') and not t.portable:
262                     self.io.send('THING_INSTALLED %s' % (t.id_), c_id)
263             for big_yx in self.portals:
264                 for little_yx in [little_yx for little_yx in self.portals[big_yx]
265                                   if player.fov_test(big_yx, little_yx)]:
266                     target_yx = player.fov_stencil.target_yx(big_yx, little_yx)
267                     portal = self.portals[big_yx][little_yx]
268                     self.io.send('PORTAL %s %s' % (target_yx, quote(portal)), c_id)
269             for big_yx in self.annotations:
270                 for little_yx in [little_yx for little_yx in self.annotations[big_yx]
271                                   if player.fov_test(big_yx, little_yx)]:
272                     target_yx = player.fov_stencil.target_yx(big_yx, little_yx)
273                     annotation = self.annotations[big_yx][little_yx]
274                     self.io.send('ANNOTATION %s %s' % (target_yx,
275                                                        quote(annotation)), c_id)
276         self.io.send('GAME_STATE_COMPLETE')
277
278     def run_tick(self):
279         to_delete = []
280         for connection_id in self.sessions:
281             connection_id_found = False
282             for server in self.io.servers:
283                 if connection_id in server.clients:
284                     connection_id_found = True
285                     break
286             if not connection_id_found:
287                 t = self.get_player(connection_id)
288                 if hasattr(t, 'name'):
289                     self.io.send('CHAT ' + quote(t.name + ' left the map.'))
290                 self.things.remove(t)
291                 to_delete += [connection_id]
292         for connection_id in to_delete:
293             del self.sessions[connection_id]
294             self.changed = True
295         for t in [t for t in self.things]:
296             if t in self.things:
297                 try:
298                     t.proceed()
299                 except GameError as e:
300                     for connection_id in [c_id for c_id in self.sessions
301                                           if self.sessions[c_id]['thing_id'] == t.id_]:
302                         self.io.send('GAME_ERROR ' + quote(str(e)), connection_id)
303                 except PlayError as e:
304                     for connection_id in [c_id for c_id in self.sessions
305                                           if self.sessions[c_id]['thing_id'] == t.id_]:
306                         self.io.send('PLAY_ERROR ' + quote(str(e)), connection_id)
307         if self.changed:
308             self.turn += 1
309             # send_gamestate() can be rather expensive, due to among other reasons
310             # re-calculating each player's FOV, so don't send it out too often
311             if self.last_send_gamestate < \
312                datetime.datetime.now() -self.send_gamestate_interval:
313                 self.send_gamestate()
314                 self.changed = False
315                 self.save()
316                 self.last_send_gamestate = datetime.datetime.now()
317
318     def get_command(self, command_name):
319
320         def partial_with_attrs(f, *args, **kwargs):
321             from functools import partial
322             p = partial(f, *args, **kwargs)
323             p.__dict__.update(f.__dict__)
324             return p
325
326         def cmd_TASK_colon(task_name, game, *args, connection_id):
327             t = self.get_player(connection_id)
328             if not t:
329                 raise GameError('Not registered as player.')
330             t.set_next_task(task_name, args)
331
332         def task_prefixed(command_name, task_prefix, task_command):
333             if command_name.startswith(task_prefix):
334                 task_name = command_name[len(task_prefix):]
335                 if task_name in self.tasks:
336                     f = partial_with_attrs(task_command, task_name, self)
337                     task = self.tasks[task_name]
338                     f.argtypes = task.argtypes
339                     return f
340             return None
341
342         command = task_prefixed(command_name, 'TASK:', cmd_TASK_colon)
343         if command:
344             return command
345         if command_name in self.commands:
346             f = partial_with_attrs(self.commands[command_name], self)
347             return f
348         return None
349
350     def new_thing_id(self):
351         if len(self.things) == 0:
352             return 1
353         return max([t.id_ for t in self.things]) + 1
354
355     def get_next_player_char(self):
356         self.player_char_i += 1
357         if self.player_char_i >= len(self.player_chars):
358             self.player_char_i = 0
359         return self.player_chars[self.player_char_i]
360
361     def save(self):
362
363         def write(f, msg):
364             f.write(msg + '\n')
365
366         with open(self.io.save_file, 'w') as f:
367             write(f, 'TURN %s' % self.turn)
368             map_geometry_shape = self.get_map_geometry_shape()
369             write(f, 'MAP %s %s' % (map_geometry_shape, self.map_geometry.size,))
370             for big_yx in [yx for yx in self.maps if self.maps[yx].modified]:
371                 for y, line in self.maps[big_yx].lines():
372                     write(f, 'MAP_LINE %s %5s %s' % (big_yx, y, quote(line)))
373             for big_yx in self.annotations:
374                 for little_yx in self.annotations[big_yx]:
375                     write(f, 'GOD_ANNOTATE %s %s %s' %
376                           (big_yx, little_yx, quote(self.annotations[big_yx][little_yx])))
377             for big_yx in self.portals:
378                 for little_yx in self.portals[big_yx]:
379                     write(f, 'GOD_PORTAL %s %s %s' % (big_yx, little_yx,
380                                                       quote(self.portals[big_yx][little_yx])))
381             for big_yx in [yx for yx in self.map_controls
382                            if self.map_controls[yx].modified]:
383                 for y, line in self.map_controls[big_yx].lines():
384                     write(f, 'MAP_CONTROL_LINE %s %5s %s' % (big_yx, y, quote(line)))
385             for tile_class in self.map_control_passwords:
386                 write(f, 'MAP_CONTROL_PW %s %s' % (tile_class,
387                                                    self.map_control_passwords[tile_class]))
388             for pw in self.admin_passwords:
389                 write(f, 'ADMIN_PASSWORD %s' % pw)
390             for name in self.faces:
391                 write(f, 'GOD_PLAYER_FACE %s %s' % (quote(name),
392                                                     quote(self.faces[name])))
393             for name in self.hats:
394                 write(f, 'GOD_PLAYER_HAT %s %s' % (quote(name),
395                                                    quote(self.hats[name])))
396             for t in [t for t in self.things if not t.type_ == 'Player']:
397                 write(f, 'THING %s %s %s %s' % (t.position[0],
398                                                 t.position[1], t.type_, t.id_))
399                 write(f, 'GOD_THING_PROTECTION %s %s' % (t.id_, quote(t.protection)))
400                 if hasattr(t, 'name'):
401                     write(f, 'GOD_THING_NAME %s %s' % (t.id_, quote(t.name)))
402                 if hasattr(t, 'installable') and (not t.portable):
403                     write(f, 'THING_INSTALLED %s' % t.id_)
404                 if t.type_ == 'Door' and t.blocking:
405                     write(f, 'THING_DOOR_CLOSED %s' % t.id_)
406                 elif t.type_ == 'Hat':
407                     write(f, 'THING_HAT_DESIGN %s %s' % (t.id_,
408                                                          quote(t.design)))
409                 elif t.type_ == 'MusicPlayer':
410                     write(f, 'THING_MUSICPLAYER_SETTINGS %s %s %s %s' %
411                           (t.id_, int(t.playing), t.playlist_index, int(t.repeat)))
412                     for item in t.playlist:
413                         write(f, 'THING_MUSICPLAYER_PLAYLIST_ITEM %s %s %s' %
414                               (t.id_, quote(item[0]), item[1]))
415                 elif t.type_ == 'Bottle' and not t.full:
416                     write(f, 'THING_BOTTLE_EMPTY %s' % t.id_)
417             write(f, 'SPAWN_POINT %s %s' % (self.spawn_point[0],
418                                             self.spawn_point[1]))
419
420     def get_map(self, big_yx, type_='normal'):
421         if type_ == 'normal':
422             maps = self.maps
423         elif type_ == 'control':
424             maps = self.map_controls
425         if big_yx not in maps:
426             maps[big_yx] = SaveableMap(self.map_geometry)
427             if type_ == 'control':
428                 maps[big_yx].draw_presets(big_yx.y % 2)
429         return maps[big_yx]
430
431     def new_world(self, map_geometry):
432         self.maps = {}
433         self.map_controls = {}
434         self.annotations = {}
435         self.portals = {}
436         self.admin_passwords = []
437         self.spawn_point = YX(0, 0), YX(0, 0)
438         self.map_geometry = map_geometry
439         self.map_control_passwords = {'X': 'secret'}
440         self.get_map(YX(0, 0))
441         self.get_map(YX(0, 0), 'control')
442         self.annotations = {}