plomlompom.com Git - plomrogue2-experiments/blob - 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)
  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 = {}