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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 import os
38 class Game(GameBase):
39
40     def __init__(self, save_file, *args, **kwargs):
41         super().__init__(*args, **kwargs)
42         self.changed = True
43         self.io = GameIO(self, save_file)
44         self.tasks = {}
45         self.thing_types = {}
46         self.sessions = {}
47         self.map = Map(self.map_geometry.size)
48         self.map_control = Map(self.map_geometry.size)
49         self.map_control_passwords = {}
50         self.annotations = {}
51         self.portals = {}
52         self.player_chars = string.digits + string.ascii_letters
53         self.player_char_i = -1
54         if os.path.exists(self.io.save_file):
55             if not os.path.isfile(self.io.save_file):
56                 raise GameError('save file path refers to non-file')
57
58     def register_thing_type(self, thing_type):
59         self._register_object(thing_type, 'thing_type', 'Thing_')
60
61     def register_task(self, task):
62         self._register_object(task, 'task', 'Task_')
63
64     def read_savefile(self):
65         if os.path.exists(self.io.save_file):
66             with open(self.io.save_file, 'r') as f:
67                 lines = f.readlines()
68             for i in range(len(lines)):
69                 line = lines[i]
70                 print("FILE INPUT LINE %5s: %s" % (i, line), end='')
71                 self.io.handle_input(line, god_mode=True)
72
73     def can_do_tile_with_pw(self, yx, pw):
74         tile_class = self.map_control[yx]
75         if tile_class in self.map_control_passwords:
76             tile_pw = self.map_control_passwords[tile_class]
77             if pw != tile_pw:
78                 return False
79         return True
80
81     def get_string_options(self, string_option_type):
82         if string_option_type == 'direction':
83             return self.map_geometry.get_directions()
84         elif string_option_type == 'char':
85             return [c for c in
86                     string.digits + string.ascii_letters + string.punctuation + ' ']
87         elif string_option_type == 'map_geometry':
88             return ['Hex', 'Square']
89         elif string_option_type == 'thing_type':
90             return self.thing_types.keys()
91         return None
92
93     def get_map_geometry_shape(self):
94         return self.map_geometry.__class__.__name__[len('MapGeometry'):]
95
96     def send_gamestate(self, connection_id=None):
97         """Send out game state data relevant to clients."""
98
99         self.io.send('TURN ' + str(self.turn))
100         for c_id in self.sessions:
101             player = self.get_thing(self.sessions[c_id])
102             visible_terrain = player.fov_stencil_map(self.map)
103             self.io.send('FOV %s' % quote(player.fov_stencil.terrain), c_id)
104             self.io.send('MAP %s %s %s' % (self.get_map_geometry_shape(),
105                                            self.map_geometry.size,
106                                            quote(visible_terrain)), c_id)
107             visible_control = player.fov_stencil_map(self.map_control)
108             self.io.send('MAP_CONTROL %s' % quote(visible_control), c_id)
109             for t in [t for t in self.things
110                       if player.fov_stencil[t.position] == '.']:
111                 self.io.send('THING %s %s %s' % (t.position, t.type_, t.id_), c_id)
112                 if hasattr(t, 'name'):
113                     self.io.send('THING_NAME %s %s' % (t.id_, quote(t.name)), c_id)
114                 if hasattr(t, 'player_char'):
115                     self.io.send('THING_CHAR %s %s' % (t.id_,
116                                                        quote(t.player_char)), c_id)
117             for yx in [yx for yx in self.portals
118                        if player.fov_stencil[yx] == '.']:
119                 self.io.send('PORTAL %s %s' % (yx, quote(self.portals[yx])), c_id)
120         self.io.send('GAME_STATE_COMPLETE')
121
122     def run_tick(self):
123         to_delete = []
124         for connection_id in self.sessions:
125             connection_id_found = False
126             for server in self.io.servers:
127                 if connection_id in server.clients:
128                     connection_id_found = True
129                     break
130             if not connection_id_found:
131                 t = self.get_thing(self.sessions[connection_id])
132                 if hasattr(t, 'name'):
133                     self.io.send('CHAT ' + quote(t.name + ' left the map.'))
134                 self.things.remove(t)
135                 to_delete += [connection_id]
136         for connection_id in to_delete:
137             del self.sessions[connection_id]
138             self.changed = True
139         for t in [t for t in self.things]:
140             if t in self.things:
141                 try:
142                     t.proceed()
143                 except GameError as e:
144                     for connection_id in [c_id for c_id in self.sessions
145                                           if self.sessions[c_id] == t.id_]:
146                         self.io.send('GAME_ERROR ' + quote(str(e)), connection_id)
147                 except PlayError as e:
148                     for connection_id in [c_id for c_id in self.sessions
149                                           if self.sessions[c_id] == t.id_]:
150                         self.io.send('PLAY_ERROR ' + quote(str(e)), connection_id)
151         if self.changed:
152             self.turn += 1
153             self.send_gamestate()
154             self.changed = False
155             self.save()
156
157     def get_command(self, command_name):
158
159         def partial_with_attrs(f, *args, **kwargs):
160             from functools import partial
161             p = partial(f, *args, **kwargs)
162             p.__dict__.update(f.__dict__)
163             return p
164
165         def cmd_TASK_colon(task_name, game, *args, connection_id):
166             if connection_id not in game.sessions:
167                 raise GameError('Not registered as player.')
168             t = game.get_thing(game.sessions[connection_id])
169             t.set_next_task(task_name, args)
170
171         def task_prefixed(command_name, task_prefix, task_command):
172             if command_name.startswith(task_prefix):
173                 task_name = command_name[len(task_prefix):]
174                 if task_name in self.tasks:
175                     f = partial_with_attrs(task_command, task_name, self)
176                     task = self.tasks[task_name]
177                     f.argtypes = task.argtypes
178                     return f
179             return None
180
181         command = task_prefixed(command_name, 'TASK:', cmd_TASK_colon)
182         if command:
183             return command
184         if command_name in self.commands:
185             f = partial_with_attrs(self.commands[command_name], self)
186             return f
187         return None
188
189     def new_thing_id(self):
190         if len(self.things) == 0:
191             return 1
192         return max([t.id_ for t in self.things]) + 1
193
194     def get_next_player_char(self):
195         self.player_char_i += 1
196         if self.player_char_i >= len(self.player_chars):
197             self.player_char_i = 0
198         return self.player_chars[self.player_char_i]
199
200     def save(self):
201
202       def write(f, msg):
203           f.write(msg + '\n')
204
205       with open(self.io.save_file, 'w') as f:
206           # TODO: save tasks
207           write(f, 'TURN %s' % self.turn)
208           map_geometry_shape = self.get_map_geometry_shape()
209           write(f, 'MAP %s %s' % (map_geometry_shape, self.map_geometry.size,))
210           for y, line in self.map.lines():
211               write(f, 'MAP_LINE %5s %s' % (y, quote(line)))
212           for yx in self.annotations:
213               write(f, 'GOD_ANNOTATE %s %s' % (yx, quote(self.annotations[yx])))
214           for yx in self.portals:
215               write(f, 'GOD_PORTAL %s %s' % (yx, quote(self.portals[yx])))
216           for y, line in self.map_control.lines():
217               write(f, 'MAP_CONTROL_LINE %5s %s' % (y, quote(line)))
218           for tile_class in self.map_control_passwords:
219               write(f, 'MAP_CONTROL_PW %s %s' % (tile_class,
220                                                  self.map_control_passwords[tile_class]))
221           for t in [t for t in self.things if not t.type_ == 'Player']:
222               write(f, 'THING %s %s %s' % (t.position, t.type_, t.id_))
223
224     def new_world(self, map_geometry):
225         self.map_geometry = map_geometry
226         self.map = Map(self.map_geometry.size)
227         self.map_control = Map(self.map_geometry.size)
228         self.annotations = {}