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Start new players in middle of map instead of topleft corner.
[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
4 from plomrogue.commands import (cmd_ALL, cmd_LOGIN, cmd_QUERY, cmd_PING,
5                                 cmd_TURN, cmd_MAP_LINE, cmd_MAP, cmd_GET_ANNOTATION,
6                                 cmd_ANNOTATE)
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         pass
18         self.turn = 0
19         self.things = []
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.map_geometry = MapGeometrySquare(YX(24, 40))
47         self.commands = {'QUERY': cmd_QUERY,
48                          'ALL': cmd_ALL,
49                          'LOGIN': cmd_LOGIN,
50                          'TURN': cmd_TURN,
51                          'MAP_LINE': cmd_MAP_LINE,
52                          'GET_ANNOTATION': cmd_GET_ANNOTATION,
53                          'ANNOTATE': cmd_ANNOTATE,
54                          'MAP': cmd_MAP,
55                          'PING': cmd_PING}
56         self.thing_type = Thing
57         self.thing_types = {'player': ThingPlayer}
58         self.sessions = {}
59         self.map = Map(self.map_geometry.size)
60         self.annotations = {}
61         if os.path.exists(self.io.save_file):
62             if not os.path.isfile(self.io.save_file):
63                 raise GameError('save file path refers to non-file')
64             else:
65                 with open(self.io.save_file, 'r') as f:
66                     lines = f.readlines()
67                 for i in range(len(lines)):
68                     line = lines[i]
69                     print("FILE INPUT LINE %5s: %s" % (i, line), end='')
70                     self.io.handle_input(line, god_mode=True)
71
72     def get_string_options(self, string_option_type):
73         import string
74         if string_option_type == 'direction':
75             return self.map_geometry.get_directions()
76         if string_option_type == 'char':
77             return [c for c in
78                     string.digits + string.ascii_letters + string.punctuation + ' ']
79         return None
80
81     def send_gamestate(self, connection_id=None):
82         """Send out game state data relevant to clients."""
83
84         def send_thing(thing):
85             self.io.send('THING_POS %s %s' % (thing.id_, t.position))
86
87         self.io.send('TURN ' + str(self.turn))
88         for t in self.things:
89             send_thing(t)
90         self.io.send('MAP %s %s' % (self.map_geometry.size, quote(self.map.terrain)))
91         self.io.send('GAME_STATE_COMPLETE')
92
93     def run_tick(self):
94         to_delete = []
95         for connection_id in self.sessions:
96             if not connection_id in self.io.server.clients:
97                 t = self.get_thing(self.sessions[connection_id], create_unfound=False)
98                 self.things.remove(t)
99                 to_delete += [connection_id]
100         for connection_id in to_delete:
101             del self.sessions[connection_id]
102             self.changed = True 
103         for t in [t for t in self.things]:
104             if t in self.things:
105                 try:
106                     t.proceed()
107                 except GameError as e:
108                     for connection_id in [c_id for c_id in self.sessions
109                                           if self.sessions[c_id] == t.id_]:
110                         self.io.send('GAME_ERROR ' + quote(str(e)), connection_id)
111         if self.changed:
112             self.turn += 1
113             self.send_gamestate()
114             self.changed = False
115             self.save()
116
117     def get_command(self, command_name):
118
119         def partial_with_attrs(f, *args, **kwargs):
120             from functools import partial
121             p = partial(f, *args, **kwargs)
122             p.__dict__.update(f.__dict__)
123             return p
124
125         def cmd_TASK_colon(task_name, game, *args, connection_id):
126             if connection_id not in game.sessions:
127                 raise GameError('Not registered as player.')
128             t = game.get_thing(game.sessions[connection_id], create_unfound=False)
129             t.set_next_task(task_name, args)
130
131         def task_prefixed(command_name, task_prefix, task_command):
132             if command_name.startswith(task_prefix):
133                 task_name = command_name[len(task_prefix):]
134                 if task_name in self.tasks:
135                     f = partial_with_attrs(task_command, task_name, self)
136                     task = self.tasks[task_name]
137                     f.argtypes = task.argtypes
138                     return f
139             return None
140
141         command = task_prefixed(command_name, 'TASK:', cmd_TASK_colon)
142         if command:
143             return command
144         if command_name in self.commands:
145             f = partial_with_attrs(self.commands[command_name], self)
146             return f
147         return None
148
149     def new_thing_id(self):
150         if len(self.things) == 0:
151             return 0
152         # DANGEROUS – if anywhere we append a thing to the list of lower
153         # ID than the highest-value ID, this might lead to re-using an
154         # already active ID.  This condition /should/ not be fulfilled
155         # anywhere in the code, but if it does, trouble here is one of
156         # the more obvious indicators that it does – that's why there's
157         # no safeguard here against this.
158         return self.things[-1].id_ + 1
159
160     def save(self):
161
162       def write(f, msg):
163           f.write(msg + '\n')
164
165       with open(self.io.save_file, 'w') as f:
166           write(f, 'TURN %s' % self.turn)
167           write(f, 'MAP %s' % (self.map_geometry.size,))
168           for y, line in self.map.lines():
169               write(f, 'MAP_LINE %5s %s' % (y, quote(line)))
170           for yx in self.annotations:
171               write(f, 'ANNOTATE %s %s' % (yx, quote(self.annotations[yx])))
172
173     def new_world(self, size):
174         self.map_geometry = MapGeometrySquare(YX(size.y, size.x))
175         self.map = Map(self.map_geometry.size)
176         self.annotations = {}