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[plomrogue2] / plomrogue / game.py
1 from plomrogue.tasks import (Task_WAIT, Task_MOVE, Task_WRITE,
2                              Task_FLATTEN_SURROUNDINGS)
3 from plomrogue.errors import GameError, PlayError
4 from plomrogue.io import GameIO
5 from plomrogue.misc import quote
6 from plomrogue.mapping import YX, MapGeometrySquare, Map
7 import string
8
9
10
11 class GameBase:
12
13     def __init__(self):
14         self.turn = 0
15         self.things = []
16         self.map_geometry = MapGeometrySquare(YX(24, 40))
17         self.commands = {}
18
19     def get_thing(self, id_):
20         for thing in self.things:
21             if id_ == thing.id_:
22                 return thing
23         return None
24
25     def _register_object(self, obj, obj_type_desc, prefix):
26         if not obj.__name__.startswith(prefix):
27             raise GameError('illegal %s object name: %s' % (obj_type_desc, obj.__name__))
28         obj_name = obj.__name__[len(prefix):]
29         d = getattr(self, obj_type_desc + 's')
30         d[obj_name] = obj
31
32     def register_command(self, command):
33         self._register_object(command, 'command', 'cmd_')
34
35
36
37 class SaveableMap(Map):
38     modified = False
39
40     def __setitem__(self, *args, **kwargs):
41         super().__setitem__(*args, **kwargs)
42         self.modified = True
43
44     def set_line(self, *args, **kwargs):
45         super().set_line(*args, **kwargs)
46         self.modified = True
47
48
49
50 import os
51 class Game(GameBase):
52
53     def __init__(self, save_file, *args, **kwargs):
54         super().__init__(*args, **kwargs)
55         self.changed = True
56         self.io = GameIO(self, save_file)
57         self.tasks = {}
58         self.thing_types = {}
59         self.sessions = {}
60         self.maps = {}
61         self.map_controls = {}
62         self.map_control_passwords = {}
63         self.annotations = {}
64         self.portals = {}
65         self.player_chars = string.digits + string.ascii_letters
66         self.player_char_i = -1
67         self.terrains = {
68             '.': 'floor',
69             'X': 'wall',
70             '=': 'window',
71             '#': 'bed',
72             'T': 'desk',
73             '8': 'cupboard',
74             '[': 'glass door',
75             'o': 'sink',
76             'O': 'toilet'
77         }
78         self.new_world(self.map_geometry)
79         if os.path.exists(self.io.save_file):
80             if not os.path.isfile(self.io.save_file):
81                 raise GameError('save file path refers to non-file')
82
83     def register_thing_type(self, thing_type):
84         self._register_object(thing_type, 'thing_type', 'Thing_')
85
86     def register_task(self, task):
87         self._register_object(task, 'task', 'Task_')
88
89     def read_savefile(self):
90         if os.path.exists(self.io.save_file):
91             with open(self.io.save_file, 'r') as f:
92                 lines = f.readlines()
93             for i in range(len(lines)):
94                 line = lines[i]
95                 print("FILE INPUT LINE %5s: %s" % (i, line), end='')
96                 self.io.handle_input(line, god_mode=True)
97
98     def can_do_tile_with_pw(self, big_yx, little_yx, pw):
99         map_control = self.get_map(big_yx)
100         tile_class = map_control[little_yx]
101         if tile_class in self.map_control_passwords:
102             tile_pw = self.map_control_passwords[tile_class]
103             if pw != tile_pw:
104                 return False
105         return True
106
107     def get_string_options(self, string_option_type):
108         if string_option_type == 'direction':
109             return self.map_geometry.get_directions()
110         elif string_option_type == 'char':
111             return [c for c in
112                     string.digits + string.ascii_letters + string.punctuation + ' ']
113         elif string_option_type == 'map_geometry':
114             return ['Hex', 'Square']
115         elif string_option_type == 'thing_type':
116             return self.thing_types.keys()
117         return None
118
119     def get_map_geometry_shape(self):
120         return self.map_geometry.__class__.__name__[len('MapGeometry'):]
121
122     def send_gamestate(self, connection_id=None):
123         """Send out game state data relevant to clients."""
124
125         self.io.send('TURN ' + str(self.turn))
126         for c_id in self.sessions:
127             player = self.get_thing(self.sessions[c_id])
128             visible_terrain = player.fov_stencil_map()
129             self.io.send('FOV %s' % quote(player.fov_stencil.terrain), c_id)
130             self.io.send('MAP %s %s %s' % (self.get_map_geometry_shape(),
131                                            player.fov_stencil.geometry.size,
132                                            quote(visible_terrain)), c_id)
133             visible_control = player.fov_stencil_map('control')
134             self.io.send('MAP_CONTROL %s' % quote(visible_control), c_id)
135             for t in [t for t in self.things if player.fov_test(*t.position)]:
136                 target_yx = player.fov_stencil.target_yx(*t.position)
137                 self.io.send('THING %s %s %s' % (target_yx, t.type_, t.id_), c_id)
138                 if hasattr(t, 'name'):
139                     self.io.send('THING_NAME %s %s' % (t.id_, quote(t.name)), c_id)
140                 if hasattr(t, 'player_char'):
141                     self.io.send('THING_CHAR %s %s' % (t.id_,
142                                                        quote(t.player_char)), c_id)
143             for big_yx in self.portals:
144                 for little_yx in [little_yx for little_yx in self.portals[big_yx]
145                                   if player.fov_test(big_yx, little_yx)]:
146                     target_yx = player.fov_stencil.target_yx(big_yx, little_yx)
147                     portal = self.portals[big_yx][little_yx]
148                     self.io.send('PORTAL %s %s' % (target_yx, quote(portal)), c_id)
149         self.io.send('GAME_STATE_COMPLETE')
150
151     def run_tick(self):
152         to_delete = []
153         for connection_id in self.sessions:
154             connection_id_found = False
155             for server in self.io.servers:
156                 if connection_id in server.clients:
157                     connection_id_found = True
158                     break
159             if not connection_id_found:
160                 t = self.get_thing(self.sessions[connection_id])
161                 if hasattr(t, 'name'):
162                     self.io.send('CHAT ' + quote(t.name + ' left the map.'))
163                 self.things.remove(t)
164                 to_delete += [connection_id]
165         for connection_id in to_delete:
166             del self.sessions[connection_id]
167             self.changed = True
168         for t in [t for t in self.things]:
169             if t in self.things:
170                 try:
171                     t.proceed()
172                 except GameError as e:
173                     for connection_id in [c_id for c_id in self.sessions
174                                           if self.sessions[c_id] == t.id_]:
175                         self.io.send('GAME_ERROR ' + quote(str(e)), connection_id)
176                 except PlayError as e:
177                     for connection_id in [c_id for c_id in self.sessions
178                                           if self.sessions[c_id] == t.id_]:
179                         self.io.send('PLAY_ERROR ' + quote(str(e)), connection_id)
180         if self.changed:
181             self.turn += 1
182             self.send_gamestate()
183             self.changed = False
184             self.save()
185
186     def get_command(self, command_name):
187
188         def partial_with_attrs(f, *args, **kwargs):
189             from functools import partial
190             p = partial(f, *args, **kwargs)
191             p.__dict__.update(f.__dict__)
192             return p
193
194         def cmd_TASK_colon(task_name, game, *args, connection_id):
195             if connection_id not in game.sessions:
196                 raise GameError('Not registered as player.')
197             t = game.get_thing(game.sessions[connection_id])
198             t.set_next_task(task_name, args)
199
200         def task_prefixed(command_name, task_prefix, task_command):
201             if command_name.startswith(task_prefix):
202                 task_name = command_name[len(task_prefix):]
203                 if task_name in self.tasks:
204                     f = partial_with_attrs(task_command, task_name, self)
205                     task = self.tasks[task_name]
206                     f.argtypes = task.argtypes
207                     return f
208             return None
209
210         command = task_prefixed(command_name, 'TASK:', cmd_TASK_colon)
211         if command:
212             return command
213         if command_name in self.commands:
214             f = partial_with_attrs(self.commands[command_name], self)
215             return f
216         return None
217
218     def new_thing_id(self):
219         if len(self.things) == 0:
220             return 1
221         return max([t.id_ for t in self.things]) + 1
222
223     def get_next_player_char(self):
224         self.player_char_i += 1
225         if self.player_char_i >= len(self.player_chars):
226             self.player_char_i = 0
227         return self.player_chars[self.player_char_i]
228
229     def save(self):
230
231       def write(f, msg):
232           f.write(msg + '\n')
233
234       with open(self.io.save_file, 'w') as f:
235           write(f, 'TURN %s' % self.turn)
236           map_geometry_shape = self.get_map_geometry_shape()
237           write(f, 'MAP %s %s' % (map_geometry_shape, self.map_geometry.size,))
238           for big_yx in [yx for yx in self.maps if self.maps[yx].modified]:
239               for y, line in self.maps[big_yx].lines():
240                   write(f, 'MAP_LINE %s %5s %s' % (big_yx, y, quote(line)))
241           for big_yx in self.annotations:
242               for little_yx in self.annotations[big_yx]:
243                   write(f, 'GOD_ANNOTATE %s %s %s' %
244                         (big_yx, little_yx, quote(self.annotations[big_yx][little_yx])))
245           for big_yx in self.portals:
246               for little_yx in self.portals[big_yx]:
247                   write(f, 'GOD_PORTAL %s %s %s' % (big_yx, little_yx,
248                                                     quote(self.portals[big_yx][little_yx])))
249           for big_yx in [yx for yx in self.map_controls
250                          if self.map_controls[yx].modified]:
251               for y, line in self.map_controls[big_yx].lines():
252                   write(f, 'MAP_CONTROL_LINE %s %5s %s' % (big_yx, y, quote(line)))
253           for tile_class in self.map_control_passwords:
254               write(f, 'MAP_CONTROL_PW %s %s' % (tile_class,
255                                                  self.map_control_passwords[tile_class]))
256           for t in [t for t in self.things if not t.type_ == 'Player']:
257               write(f, 'THING %s %s %s %s' % (t.position[0],
258                                               t.position[1], t.type_, t.id_))
259               if hasattr(t, 'name'):
260                   write(f, 'THING_NAME %s %s' % (t.id_, quote(t.name)))
261
262     def get_map(self, big_yx, type_='normal'):
263         if type_ == 'normal':
264             maps = self.maps
265         elif type_ == 'control':
266             maps = self.map_controls
267         if not big_yx in maps:
268             maps[big_yx] = SaveableMap(self.map_geometry)
269         return maps[big_yx]
270
271     def new_world(self, map_geometry):
272         self.map_geometry = map_geometry
273         self.maps[YX(0,0)] = SaveableMap(self.map_geometry)
274         self.map_controls[YX(0,0)] = SaveableMap(self.map_geometry)
275         self.annotations = {}