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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
7
8
9 class GameBase:
10
11     def __init__(self):
12         self.turn = 0
13         self.things = []
14         self.map_geometry = MapGeometrySquare(YX(24, 40))
15         self.commands = {}
16
17     def get_thing(self, id_):
18         for thing in self.things:
19             if id_ == thing.id_:
20                 return thing
21         return None
22
23     def _register_object(self, obj, obj_type_desc, prefix):
24         if not obj.__name__.startswith(prefix):
25             raise GameError('illegal %s object name: %s' % (obj_type_desc, obj.__name__))
26         obj_name = obj.__name__[len(prefix):]
27         d = getattr(self, obj_type_desc + 's')
28         d[obj_name] = obj
29
30     def register_command(self, command):
31         self._register_object(command, 'command', 'cmd_')
32
33
34
35 class SaveableMap(Map):
36     modified = False
37
38     def __setitem__(self, *args, **kwargs):
39         super().__setitem__(*args, **kwargs)
40         self.modified = True
41
42     def set_line(self, *args, **kwargs):
43         super().set_line(*args, **kwargs)
44         self.modified = True
45
46     def inside(self, yx):
47         if yx.y < 0 or yx.x < 0 or \
48            yx.y >= self.geometry.size.y or yx.x >= self.geometry.size.x:
49             return False
50         return True
51
52     def draw_presets(self, alternate_hex=0):
53         old_modified = self.modified
54         if type(self.geometry) == MapGeometrySquare:
55             self.set_line(0, 'X' * self.geometry.size.x)
56             self.set_line(1, 'X' * self.geometry.size.x)
57             self.set_line(2, 'X' * self.geometry.size.x)
58             self.set_line(3, 'X' * self.geometry.size.x)
59             self.set_line(4, 'X' * self.geometry.size.x)
60             for y in range(self.geometry.size.y):
61                 self[YX(y, 0)] = 'X'
62                 self[YX(y, 1)] = 'X'
63                 self[YX(y, 2)] = 'X'
64                 self[YX(y, 3)] = 'X'
65                 self[YX(y, 4)] = 'X'
66         elif type(self.geometry) == MapGeometryHex:
67             # TODO: for this to work we need a map side length divisible by 6.
68
69             def draw_grid(offset=YX(0, 0)):
70                 dirs = ('DOWNRIGHT', 'RIGHT', 'UPRIGHT', 'RIGHT')
71
72                 def draw_snake(start):
73                     keep_running = True
74                     yx = start
75                     if self.inside(yx):
76                         self[yx] = 'X'
77                     while keep_running:
78                         for direction in dirs:
79                             if not keep_running:
80                                 break
81                             for dir_progress in range(distance):
82                                 mover = getattr(self.geometry, 'move__' + direction)
83                                 yx = mover(yx)
84                                 if yx.x >= self.geometry.size.x:
85                                     keep_running = False
86                                     break
87                                 if self.inside(yx):
88                                     self[yx] = 'X'
89
90                 if alternate_hex:
91                     draw_snake(offset + YX(0, 0))
92                 draw_snake(offset + YX((0 + alternate_hex) * distance,
93                            -int(1.5 * distance)))
94                 draw_snake(offset + YX((1 + alternate_hex) * distance,
95                            0))
96                 draw_snake(offset + YX((2 + alternate_hex) * distance,
97                            -int(1.5 * distance)))
98
99             distance = self.geometry.size.y // 3
100             draw_grid()
101             draw_grid(YX(2, 0))
102             draw_grid(YX(0, 2))
103             draw_grid(YX(1, 0))
104             draw_grid(YX(0, 1))
105             draw_grid(YX(-1, 0))
106             draw_grid(YX(0, -1))
107             draw_grid(YX(-2, 0))
108             draw_grid(YX(0, -2))
109         self.modified = old_modified
110
111
112
113 import os
114 class Game(GameBase):
115
116     def __init__(self, save_file, *args, **kwargs):
117         super().__init__(*args, **kwargs)
118         self.changed = True
119         self.io = GameIO(self, save_file)
120         self.tasks = {}
121         self.thing_types = {}
122         self.sessions = {}
123         self.maps = {}
124         self.map_controls = {}
125         self.map_control_passwords = {}
126         self.annotations = {}
127         self.spawn_point = YX(0, 0), YX(0, 0)
128         self.portals = {}
129         self.player_chars = string.digits + string.ascii_letters
130         self.player_char_i = -1
131         self.admin_passwords = []
132         self.terrains = {
133             '.': 'floor',
134             'X': 'wall',
135             '=': 'window',
136             '#': 'bed',
137             'T': 'desk',
138             '8': 'cupboard',
139             '[': 'glass door',
140             'o': 'sink',
141             'O': 'toilet'
142         }
143         if os.path.exists(self.io.save_file):
144             if not os.path.isfile(self.io.save_file):
145                 raise GameError('save file path refers to non-file')
146
147     def register_thing_type(self, thing_type):
148         self._register_object(thing_type, 'thing_type', 'Thing_')
149
150     def register_task(self, task):
151         self._register_object(task, 'task', 'Task_')
152
153     def read_savefile(self):
154         if os.path.exists(self.io.save_file):
155             with open(self.io.save_file, 'r') as f:
156                 lines = f.readlines()
157             for i in range(len(lines)):
158                 line = lines[i]
159                 print("FILE INPUT LINE %5s: %s" % (i, line), end='')
160                 self.io.handle_input(line, god_mode=True)
161
162     def can_do_thing_with_pw(self, thing, pw):
163         if thing.protection in self.map_control_passwords.keys():
164             if pw != self.map_control_passwords[thing.protection]:
165                 return False
166         return True
167
168     def can_do_tile_with_pw(self, big_yx, little_yx, pw):
169         map_control = self.get_map(big_yx, 'control')
170         tile_class = map_control[little_yx]
171         if tile_class in self.map_control_passwords.keys():
172             tile_pw = self.map_control_passwords[tile_class]
173             if pw != tile_pw:
174                 return False
175         return True
176
177     def get_string_options(self, string_option_type):
178         if string_option_type == 'direction':
179             return self.map_geometry.get_directions()
180         elif string_option_type == 'char':
181             return [c for c in
182                     string.digits + string.ascii_letters + string.punctuation + ' ']
183         elif string_option_type == 'map_geometry':
184             return ['Hex', 'Square']
185         elif string_option_type == 'thing_type':
186             return self.thing_types.keys()
187         return None
188
189     def get_map_geometry_shape(self):
190         return self.map_geometry.__class__.__name__[len('MapGeometry'):]
191
192     def get_player(self, connection_id):
193         if connection_id not in self.sessions:
194             return None
195         player = self.get_thing(self.sessions[connection_id]['thing_id'])
196         return player
197
198     def send_gamestate(self, connection_id=None):
199         """Send out game state data relevant to clients."""
200
201         self.io.send('TURN ' + str(self.turn))
202         for c_id in self.sessions:
203             player = self.get_player(c_id)
204             visible_terrain = player.fov_stencil_map()
205             self.io.send('FOV %s' % quote(player.fov_stencil.terrain), c_id)
206             self.io.send('MAP %s %s %s' % (self.get_map_geometry_shape(),
207                                            player.fov_stencil.geometry.size,
208                                            quote(visible_terrain)), c_id)
209             visible_control = player.fov_stencil_map('control')
210             self.io.send('MAP_CONTROL %s' % quote(visible_control), c_id)
211             for t in [t for t in self.things if player.fov_test(*t.position)]:
212                 target_yx = player.fov_stencil.target_yx(*t.position)
213                 self.io.send('THING %s %s %s %s' % (target_yx, t.type_,
214                                                     quote(t.protection), t.id_), c_id)
215                 if hasattr(t, 'name'):
216                     self.io.send('THING_NAME %s %s' % (t.id_, quote(t.name)), c_id)
217                 if hasattr(t, 'thing_char'):
218                     self.io.send('THING_CHAR %s %s' % (t.id_,
219                                                        quote(t.thing_char)), c_id)
220             for big_yx in self.portals:
221                 for little_yx in [little_yx for little_yx in self.portals[big_yx]
222                                   if player.fov_test(big_yx, little_yx)]:
223                     target_yx = player.fov_stencil.target_yx(big_yx, little_yx)
224                     portal = self.portals[big_yx][little_yx]
225                     self.io.send('PORTAL %s %s' % (target_yx, quote(portal)), c_id)
226             for big_yx in self.annotations:
227                 for little_yx in [little_yx for little_yx in self.annotations[big_yx]
228                                   if player.fov_test(big_yx, little_yx)]:
229                     target_yx = player.fov_stencil.target_yx(big_yx, little_yx)
230                     self.io.send('ANNOTATION_HINT %s' % (target_yx,), c_id)
231         self.io.send('GAME_STATE_COMPLETE')
232
233     def run_tick(self):
234         to_delete = []
235         for connection_id in self.sessions:
236             connection_id_found = False
237             for server in self.io.servers:
238                 if connection_id in server.clients:
239                     connection_id_found = True
240                     break
241             if not connection_id_found:
242                 t = self.get_player(connection_id)
243                 if hasattr(t, 'name'):
244                     self.io.send('CHAT ' + quote(t.name + ' left the map.'))
245                 self.things.remove(t)
246                 to_delete += [connection_id]
247         for connection_id in to_delete:
248             del self.sessions[connection_id]
249             self.changed = True
250         for t in [t for t in self.things]:
251             if t in self.things:
252                 try:
253                     t.proceed()
254                 except GameError as e:
255                     for connection_id in [c_id for c_id in self.sessions
256                                           if self.sessions[c_id]['thing_id'] == t.id_]:
257                         self.io.send('GAME_ERROR ' + quote(str(e)), connection_id)
258                 except PlayError as e:
259                     for connection_id in [c_id for c_id in self.sessions
260                                           if self.sessions[c_id]['thing_id'] == t.id_]:
261                         self.io.send('PLAY_ERROR ' + quote(str(e)), connection_id)
262         if self.changed:
263             self.turn += 1
264             self.send_gamestate()
265             self.changed = False
266             self.save()
267
268     def get_command(self, command_name):
269
270         def partial_with_attrs(f, *args, **kwargs):
271             from functools import partial
272             p = partial(f, *args, **kwargs)
273             p.__dict__.update(f.__dict__)
274             return p
275
276         def cmd_TASK_colon(task_name, game, *args, connection_id):
277             t = self.get_player(connection_id)
278             if not t:
279                 raise GameError('Not registered as player.')
280             t.set_next_task(task_name, args)
281
282         def task_prefixed(command_name, task_prefix, task_command):
283             if command_name.startswith(task_prefix):
284                 task_name = command_name[len(task_prefix):]
285                 if task_name in self.tasks:
286                     f = partial_with_attrs(task_command, task_name, self)
287                     task = self.tasks[task_name]
288                     f.argtypes = task.argtypes
289                     return f
290             return None
291
292         command = task_prefixed(command_name, 'TASK:', cmd_TASK_colon)
293         if command:
294             return command
295         if command_name in self.commands:
296             f = partial_with_attrs(self.commands[command_name], self)
297             return f
298         return None
299
300     def new_thing_id(self):
301         if len(self.things) == 0:
302             return 1
303         return max([t.id_ for t in self.things]) + 1
304
305     def get_next_player_char(self):
306         self.player_char_i += 1
307         if self.player_char_i >= len(self.player_chars):
308             self.player_char_i = 0
309         return self.player_chars[self.player_char_i]
310
311     def save(self):
312
313         def write(f, msg):
314             f.write(msg + '\n')
315
316         with open(self.io.save_file, 'w') as f:
317             write(f, 'TURN %s' % self.turn)
318             map_geometry_shape = self.get_map_geometry_shape()
319             write(f, 'MAP %s %s' % (map_geometry_shape, self.map_geometry.size,))
320             for big_yx in [yx for yx in self.maps if self.maps[yx].modified]:
321                 for y, line in self.maps[big_yx].lines():
322                     write(f, 'MAP_LINE %s %5s %s' % (big_yx, y, quote(line)))
323             for big_yx in self.annotations:
324                 for little_yx in self.annotations[big_yx]:
325                     write(f, 'GOD_ANNOTATE %s %s %s' %
326                           (big_yx, little_yx, quote(self.annotations[big_yx][little_yx])))
327             for big_yx in self.portals:
328                 for little_yx in self.portals[big_yx]:
329                     write(f, 'GOD_PORTAL %s %s %s' % (big_yx, little_yx,
330                                                       quote(self.portals[big_yx][little_yx])))
331             for big_yx in [yx for yx in self.map_controls
332                            if self.map_controls[yx].modified]:
333                 for y, line in self.map_controls[big_yx].lines():
334                     write(f, 'MAP_CONTROL_LINE %s %5s %s' % (big_yx, y, quote(line)))
335             for tile_class in self.map_control_passwords:
336                 write(f, 'MAP_CONTROL_PW %s %s' % (tile_class,
337                                                    self.map_control_passwords[tile_class]))
338             for pw in self.admin_passwords:
339                 write(f, 'ADMIN_PASSWORD %s' % pw)
340             for t in [t for t in self.things if not t.type_ == 'Player']:
341                 write(f, 'THING %s %s %s %s' % (t.position[0],
342                                                 t.position[1], t.type_, t.id_))
343                 write(f, 'GOD_THING_PROTECTION %s %s' % (t.id_, quote(t.protection)))
344                 if hasattr(t, 'name'):
345                     write(f, 'GOD_THING_NAME %s %s' % (t.id_, quote(t.name)))
346             write(f, 'SPAWN_POINT %s %s' % (self.spawn_point[0],
347                                             self.spawn_point[1]))
348
349     def get_map(self, big_yx, type_='normal'):
350         if type_ == 'normal':
351             maps = self.maps
352         elif type_ == 'control':
353             maps = self.map_controls
354         if big_yx not in maps:
355             maps[big_yx] = SaveableMap(self.map_geometry)
356             if type_ == 'control':
357                 maps[big_yx].draw_presets(big_yx.y % 2)
358         return maps[big_yx]
359
360     def new_world(self, map_geometry):
361         self.maps = {}
362         self.map_controls = {}
363         self.annotations = {}
364         self.portals = {}
365         self.admin_passwords = []
366         self.spawn_point = YX(0, 0), YX(0, 0)
367         self.map_geometry = map_geometry
368         self.map_control_passwords = {'X': 'secret'}
369         self.get_map(YX(0, 0))
370         self.get_map(YX(0, 0), 'control')
371         self.annotations = {}