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Only send PONG to connection_id that sent the PING.
[plomrogue2-experiments] / new2 / 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.commands import (cmd_ALL, cmd_LOGIN, cmd_QUERY, cmd_PING, cmd_MAP,
5                                 cmd_TURN, cmd_MAP_LINE, cmd_GET_ANNOTATION,
6                                 cmd_ANNOTATE, cmd_PORTAL, cmd_GET_GAMESTATE)
7 from plomrogue.io import GameIO
8 from plomrogue.misc import quote
9 from plomrogue.things import Thing, ThingPlayer
10 from plomrogue.mapping import YX, MapGeometrySquare, Map
11
12
13
14 class GameBase:
15
16     def __init__(self):
17         self.turn = 0
18         self.things = []
19         self.map_geometry = MapGeometrySquare(YX(24, 40))
20
21     def get_thing(self, id_, create_unfound):
22         # No default for create_unfound because every call to get_thing
23         # should be accompanied by serious consideration whether to use it.
24         for thing in self.things:
25             if id_ == thing.id_:
26                 return thing
27         if create_unfound:
28             t = self.thing_type(self, id_)
29             self.things += [t]
30             return t
31         return None
32
33
34
35 class Game(GameBase):
36
37     def __init__(self, save_file, *args, **kwargs):
38         import os
39         super().__init__(*args, **kwargs)
40         self.changed = True
41         self.io = GameIO(self, save_file)
42         self.tasks = {'WAIT': Task_WAIT,
43                       'MOVE': Task_MOVE,
44                       'WRITE': Task_WRITE,
45                       'FLATTEN_SURROUNDINGS': Task_FLATTEN_SURROUNDINGS}
46         self.commands = {'QUERY': cmd_QUERY,
47                          'ALL': cmd_ALL,
48                          'LOGIN': cmd_LOGIN,
49                          'TURN': cmd_TURN,
50                          'MAP_LINE': cmd_MAP_LINE,
51                          'GET_ANNOTATION': cmd_GET_ANNOTATION,
52                          'PORTAL': cmd_PORTAL,
53                          'GET_GAMESTATE': cmd_GET_GAMESTATE,
54                          'ANNOTATE': cmd_ANNOTATE,
55                          'MAP': cmd_MAP,
56                          'PING': cmd_PING}
57         self.thing_type = Thing
58         self.thing_types = {'player': ThingPlayer}
59         self.sessions = {}
60         self.map = Map(self.map_geometry.size)
61         self.annotations = {}
62         self.portals = {}
63         if os.path.exists(self.io.save_file):
64             if not os.path.isfile(self.io.save_file):
65                 raise GameError('save file path refers to non-file')
66             else:
67                 with open(self.io.save_file, 'r') as f:
68                     lines = f.readlines()
69                 for i in range(len(lines)):
70                     line = lines[i]
71                     print("FILE INPUT LINE %5s: %s" % (i, line), end='')
72                     self.io.handle_input(line, god_mode=True)
73
74     def get_string_options(self, string_option_type):
75         import string
76         if string_option_type == 'direction':
77             return self.map_geometry.get_directions()
78         elif string_option_type == 'char':
79             return [c for c in
80                     string.digits + string.ascii_letters + string.punctuation + ' ']
81         elif string_option_type == 'map_geometry':
82             return ['Hex', 'Square']
83         return None
84
85     def get_map_geometry_shape(self):
86         return self.map_geometry.__class__.__name__[len('MapGeometry'):]
87
88     def send_gamestate(self, connection_id=None):
89         """Send out game state data relevant to clients."""
90
91         def send_thing(thing):
92             self.io.send('THING_POS %s %s' % (thing.id_, t.position))
93             if hasattr(thing, 'nickname'):
94                 self.io.send('THING_NAME %s %s' % (thing.id_, quote(t.nickname)))
95
96         self.io.send('TURN ' + str(self.turn))
97         for t in self.things:
98             send_thing(t)
99         self.io.send('MAP %s %s %s' % (self.get_map_geometry_shape(),
100                                        self.map_geometry.size, quote(self.map.terrain)))
101         for yx in self.portals:
102             self.io.send('PORTAL %s %s' % (yx, quote(self.portals[yx])))
103         self.io.send('GAME_STATE_COMPLETE')
104
105     def run_tick(self):
106         to_delete = []
107         for connection_id in self.sessions:
108             connection_id_found = False
109             for server in self.io.servers:
110                 if connection_id in server.clients:
111                     connection_id_found = True
112                     break
113             if not connection_id_found:
114                 t = self.get_thing(self.sessions[connection_id], create_unfound=False)
115                 if hasattr(t, 'nickname'):
116                     self.io.send('CHAT ' + quote(t.nickname + ' left the map.'))
117                 self.things.remove(t)
118                 to_delete += [connection_id]
119         for connection_id in to_delete:
120             del self.sessions[connection_id]
121             self.changed = True
122         for t in [t for t in self.things]:
123             if t in self.things:
124                 try:
125                     t.proceed()
126                 except GameError as e:
127                     for connection_id in [c_id for c_id in self.sessions
128                                           if self.sessions[c_id] == t.id_]:
129                         self.io.send('GAME_ERROR ' + quote(str(e)), connection_id)
130                 except PlayError as e:
131                     for connection_id in [c_id for c_id in self.sessions
132                                           if self.sessions[c_id] == t.id_]:
133                         self.io.send('PLAY_ERROR ' + quote(str(e)), connection_id)
134         if self.changed:
135             self.turn += 1
136             self.send_gamestate()
137             self.changed = False
138             self.save()
139
140     def get_command(self, command_name):
141
142         def partial_with_attrs(f, *args, **kwargs):
143             from functools import partial
144             p = partial(f, *args, **kwargs)
145             p.__dict__.update(f.__dict__)
146             return p
147
148         def cmd_TASK_colon(task_name, game, *args, connection_id):
149             if connection_id not in game.sessions:
150                 raise GameError('Not registered as player.')
151             t = game.get_thing(game.sessions[connection_id], create_unfound=False)
152             t.set_next_task(task_name, args)
153
154         def task_prefixed(command_name, task_prefix, task_command):
155             if command_name.startswith(task_prefix):
156                 task_name = command_name[len(task_prefix):]
157                 if task_name in self.tasks:
158                     f = partial_with_attrs(task_command, task_name, self)
159                     task = self.tasks[task_name]
160                     f.argtypes = task.argtypes
161                     return f
162             return None
163
164         command = task_prefixed(command_name, 'TASK:', cmd_TASK_colon)
165         if command:
166             return command
167         if command_name in self.commands:
168             f = partial_with_attrs(self.commands[command_name], self)
169             return f
170         return None
171
172     def new_thing_id(self):
173         if len(self.things) == 0:
174             return 0
175         # DANGEROUS – if anywhere we append a thing to the list of lower
176         # ID than the highest-value ID, this might lead to re-using an
177         # already active ID.  This condition /should/ not be fulfilled
178         # anywhere in the code, but if it does, trouble here is one of
179         # the more obvious indicators that it does – that's why there's
180         # no safeguard here against this.
181         return self.things[-1].id_ + 1
182
183     def save(self):
184
185       def write(f, msg):
186           f.write(msg + '\n')
187
188       with open(self.io.save_file, 'w') as f:
189           write(f, 'TURN %s' % self.turn)
190           map_geometry_shape = self.get_map_geometry_shape()
191           write(f, 'MAP %s %s' % (map_geometry_shape, self.map_geometry.size,))
192           for y, line in self.map.lines():
193               write(f, 'MAP_LINE %5s %s' % (y, quote(line)))
194           for yx in self.annotations:
195               write(f, 'ANNOTATE %s %s' % (yx, quote(self.annotations[yx])))
196           for yx in self.portals:
197               write(f, 'PORTAL %s %s' % (yx, quote(self.portals[yx])))
198
199     def new_world(self, map_geometry):
200         self.map_geometry = map_geometry
201         self.map = Map(self.map_geometry.size)
202         self.annotations = {}