plomlompom.com Git - plomrogue2-experiments/blob - new2/plomrogue/game.py

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