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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.maps = {}
125         self.map_controls = {}
126         self.map_control_passwords = {}
127         self.annotations = {}
128         self.spawn_point = YX(0, 0), YX(0, 0)
129         self.portals = {}
130         self.player_chars = string.digits + string.ascii_letters
131         self.player_char_i = -1
132         self.admin_passwords = []
133         self.send_gamestate_interval = datetime.timedelta(seconds=0.04)
134         self.last_send_gamestate = datetime.datetime.now() -\
135             self.send_gamestate_interval
136         self.terrains = {
137             '.': 'floor',
138             'X': 'wall',
139             '=': 'window',
140             '#': 'bed',
141             'T': 'desk',
142             '8': 'cupboard',
143             '[': 'glass door',
144             'o': 'sink',
145             'O': 'toilet'
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 == 'char':
185             return [c for c in
186                     string.digits + string.ascii_letters + string.punctuation + ' ']
187         elif string_option_type == 'map_geometry':
188             return ['Hex', 'Square']
189         elif string_option_type == 'thing_type':
190             return self.thing_types.keys()
191         return None
192
193     def get_map_geometry_shape(self):
194         return self.map_geometry.__class__.__name__[len('MapGeometry'):]
195
196     def get_player(self, connection_id):
197         if connection_id not in self.sessions:
198             return None
199         player = self.get_thing(self.sessions[connection_id]['thing_id'])
200         return player
201
202     def send_gamestate(self, connection_id=None):
203         """Send out game state data relevant to clients."""
204
205         # TODO: limit to connection_id if provided
206         self.io.send('TURN ' + str(self.turn))
207         from plomrogue.mapping import FovMap
208         import multiprocessing
209         pool = multiprocessing.Pool()
210         players = []
211         c_ids = [c_id for c_id in self.sessions]
212         for c_id in c_ids:
213             players += [self.get_player(c_id)]
214         player_fovs = []
215         for player in players:
216             player.prepare_multiprocessible_fov_stencil()
217             player_fovs += [player._fov]
218         new_fovs = pool.map(FovMap.init_terrain, [fov for fov in player_fovs])
219         for i in range(len(players)):
220             players[i]._fov = new_fovs[i]
221         pool.close()
222         pool.join()
223         for c_id in c_ids:
224             player = self.get_player(c_id)
225             visible_terrain = player.fov_stencil_map()
226             self.io.send('FOV %s' % quote(player.fov_stencil.terrain), c_id)
227             self.io.send('MAP %s %s %s' % (self.get_map_geometry_shape(),
228                                            player.fov_stencil.geometry.size,
229                                            quote(visible_terrain)), c_id)
230             visible_control = player.fov_stencil_map('control')
231             self.io.send('MAP_CONTROL %s' % quote(visible_control), c_id)
232             for t in [t for t in self.things if player.fov_test(*t.position)]:
233                 target_yx = player.fov_stencil.target_yx(*t.position)
234                 self.io.send('THING %s %s %s %s %s' % (target_yx, t.type_,
235                                                        quote(t.protection),
236                                                        t.id_, int(t.portable)),
237                              c_id)
238                 if hasattr(t, 'name'):
239                     self.io.send('THING_NAME %s %s' % (t.id_, quote(t.name)), c_id)
240                 if hasattr(t, 'thing_char'):
241                     self.io.send('THING_CHAR %s %s' % (t.id_,
242                                                        quote(t.thing_char)), c_id)
243                 if hasattr(t, 'carrying') and t.carrying:
244                     self.io.send('THING_CARRYING %s' % (t.id_), c_id)
245             for big_yx in self.portals:
246                 for little_yx in [little_yx for little_yx in self.portals[big_yx]
247                                   if player.fov_test(big_yx, little_yx)]:
248                     target_yx = player.fov_stencil.target_yx(big_yx, little_yx)
249                     portal = self.portals[big_yx][little_yx]
250                     self.io.send('PORTAL %s %s' % (target_yx, quote(portal)), c_id)
251             for big_yx in self.annotations:
252                 for little_yx in [little_yx for little_yx in self.annotations[big_yx]
253                                   if player.fov_test(big_yx, little_yx)]:
254                     target_yx = player.fov_stencil.target_yx(big_yx, little_yx)
255                     annotation = self.annotations[big_yx][little_yx]
256                     self.io.send('ANNOTATION %s %s' % (target_yx,
257                                                        quote(annotation)), c_id)
258         self.io.send('GAME_STATE_COMPLETE')
259
260     def run_tick(self):
261         to_delete = []
262         for connection_id in self.sessions:
263             connection_id_found = False
264             for server in self.io.servers:
265                 if connection_id in server.clients:
266                     connection_id_found = True
267                     break
268             if not connection_id_found:
269                 t = self.get_player(connection_id)
270                 if hasattr(t, 'name'):
271                     self.io.send('CHAT ' + quote(t.name + ' left the map.'))
272                 self.things.remove(t)
273                 to_delete += [connection_id]
274         for connection_id in to_delete:
275             del self.sessions[connection_id]
276             self.changed = True
277         for t in [t for t in self.things]:
278             if t in self.things:
279                 try:
280                     t.proceed()
281                 except GameError as e:
282                     for connection_id in [c_id for c_id in self.sessions
283                                           if self.sessions[c_id]['thing_id'] == t.id_]:
284                         self.io.send('GAME_ERROR ' + quote(str(e)), connection_id)
285                 except PlayError as e:
286                     for connection_id in [c_id for c_id in self.sessions
287                                           if self.sessions[c_id]['thing_id'] == t.id_]:
288                         self.io.send('PLAY_ERROR ' + quote(str(e)), connection_id)
289         if self.changed:
290             self.turn += 1
291             # send_gamestate() can be rather expensive, due to among other reasons
292             # re-calculating each player's FOV, so don't send it out too often
293             if self.last_send_gamestate < \
294                datetime.datetime.now() -self.send_gamestate_interval:
295                 self.send_gamestate()
296                 self.changed = False
297                 self.save()
298                 self.last_send_gamestate = datetime.datetime.now()
299
300     def get_command(self, command_name):
301
302         def partial_with_attrs(f, *args, **kwargs):
303             from functools import partial
304             p = partial(f, *args, **kwargs)
305             p.__dict__.update(f.__dict__)
306             return p
307
308         def cmd_TASK_colon(task_name, game, *args, connection_id):
309             t = self.get_player(connection_id)
310             if not t:
311                 raise GameError('Not registered as player.')
312             t.set_next_task(task_name, args)
313
314         def task_prefixed(command_name, task_prefix, task_command):
315             if command_name.startswith(task_prefix):
316                 task_name = command_name[len(task_prefix):]
317                 if task_name in self.tasks:
318                     f = partial_with_attrs(task_command, task_name, self)
319                     task = self.tasks[task_name]
320                     f.argtypes = task.argtypes
321                     return f
322             return None
323
324         command = task_prefixed(command_name, 'TASK:', cmd_TASK_colon)
325         if command:
326             return command
327         if command_name in self.commands:
328             f = partial_with_attrs(self.commands[command_name], self)
329             return f
330         return None
331
332     def new_thing_id(self):
333         if len(self.things) == 0:
334             return 1
335         return max([t.id_ for t in self.things]) + 1
336
337     def get_next_player_char(self):
338         self.player_char_i += 1
339         if self.player_char_i >= len(self.player_chars):
340             self.player_char_i = 0
341         return self.player_chars[self.player_char_i]
342
343     def save(self):
344
345         def write(f, msg):
346             f.write(msg + '\n')
347
348         with open(self.io.save_file, 'w') as f:
349             write(f, 'TURN %s' % self.turn)
350             map_geometry_shape = self.get_map_geometry_shape()
351             write(f, 'MAP %s %s' % (map_geometry_shape, self.map_geometry.size,))
352             for big_yx in [yx for yx in self.maps if self.maps[yx].modified]:
353                 for y, line in self.maps[big_yx].lines():
354                     write(f, 'MAP_LINE %s %5s %s' % (big_yx, y, quote(line)))
355             for big_yx in self.annotations:
356                 for little_yx in self.annotations[big_yx]:
357                     write(f, 'GOD_ANNOTATE %s %s %s' %
358                           (big_yx, little_yx, quote(self.annotations[big_yx][little_yx])))
359             for big_yx in self.portals:
360                 for little_yx in self.portals[big_yx]:
361                     write(f, 'GOD_PORTAL %s %s %s' % (big_yx, little_yx,
362                                                       quote(self.portals[big_yx][little_yx])))
363             for big_yx in [yx for yx in self.map_controls
364                            if self.map_controls[yx].modified]:
365                 for y, line in self.map_controls[big_yx].lines():
366                     write(f, 'MAP_CONTROL_LINE %s %5s %s' % (big_yx, y, quote(line)))
367             for tile_class in self.map_control_passwords:
368                 write(f, 'MAP_CONTROL_PW %s %s' % (tile_class,
369                                                    self.map_control_passwords[tile_class]))
370             for pw in self.admin_passwords:
371                 write(f, 'ADMIN_PASSWORD %s' % pw)
372             for t in [t for t in self.things if not t.type_ == 'Player']:
373                 write(f, 'THING %s %s %s %s' % (t.position[0],
374                                                 t.position[1], t.type_, t.id_))
375                 write(f, 'GOD_THING_PROTECTION %s %s' % (t.id_, quote(t.protection)))
376                 if hasattr(t, 'name'):
377                     write(f, 'GOD_THING_NAME %s %s' % (t.id_, quote(t.name)))
378                 if hasattr(t, 'installable') and (not t.portable):
379                     write(f, 'THING_INSTALLED %s' % t.id_)
380                 if t.type_ == 'Door' and t.blocking:
381                     write(f, 'THING_DOOR_CLOSED %s' % t.id_)
382                 elif t.type_ == 'MusicPlayer':
383                     write(f, 'THING_MUSICPLAYER_SETTINGS %s %s %s %s' %
384                           (t.id_, int(t.playing), t.playlist_index, int(t.repeat)))
385                     for item in t.playlist:
386                         write(f, 'THING_MUSICPLAYER_PLAYLIST_ITEM %s %s %s' %
387                               (t.id_, quote(item[0]), item[1]))
388                 elif t.type_ == 'Bottle' and not t.full:
389                     write(f, 'THING_BOTTLE_EMPTY %s' % t.id_)
390             write(f, 'SPAWN_POINT %s %s' % (self.spawn_point[0],
391                                             self.spawn_point[1]))
392
393     def get_map(self, big_yx, type_='normal'):
394         if type_ == 'normal':
395             maps = self.maps
396         elif type_ == 'control':
397             maps = self.map_controls
398         if big_yx not in maps:
399             maps[big_yx] = SaveableMap(self.map_geometry)
400             if type_ == 'control':
401                 maps[big_yx].draw_presets(big_yx.y % 2)
402         return maps[big_yx]
403
404     def new_world(self, map_geometry):
405         self.maps = {}
406         self.map_controls = {}
407         self.annotations = {}
408         self.portals = {}
409         self.admin_passwords = []
410         self.spawn_point = YX(0, 0), YX(0, 0)
411         self.map_geometry = map_geometry
412         self.map_control_passwords = {'X': 'secret'}
413         self.get_map(YX(0, 0))
414         self.get_map(YX(0, 0), 'control')
415         self.annotations = {}