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, PlayError
   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, 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
  20     def get_thing(self, id_, create_unfound):
  21         # No default for create_unfound because every call to get_thing
  22         # should be accompanied by serious consideration whether to use it.
  23         for thing in self.things:
  24             if id_ == thing.id_:
  25                 return thing
  26         if create_unfound:
  27             t = self.thing_type(self, id_)
  28             self.things += [t]
  29             return t
  30         return None
  31
  32
  33
  34 class Game(GameBase):
  35
  36     def __init__(self, save_file, *args, **kwargs):
  37         import os
  38         super().__init__(*args, **kwargs)
  39         self.changed = True
  40         self.io = GameIO(self, save_file)
  41         self.tasks = {'WAIT': Task_WAIT,
  42                       'MOVE': Task_MOVE,
  43                       'WRITE': Task_WRITE,
  44                       'FLATTEN_SURROUNDINGS': Task_FLATTEN_SURROUNDINGS}
  45         self.map_geometry = MapGeometrySquare(YX(24, 40))
  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         if string_option_type == 'char':
  79             return [c for c in
  80                     string.digits + string.ascii_letters + string.punctuation + ' ']
  81         return None
  82
  83     def send_gamestate(self, connection_id=None):
  84         """Send out game state data relevant to clients."""
  85
  86         def send_thing(thing):
  87             self.io.send('THING_POS %s %s' % (thing.id_, t.position))
  88             if hasattr(thing, 'nickname'):
  89                 self.io.send('THING_NAME %s %s' % (thing.id_, quote(t.nickname)))
  90
  91
  92         self.io.send('TURN ' + str(self.turn))
  93         for t in self.things:
  94             send_thing(t)
  95         self.io.send('MAP %s %s' % (self.map_geometry.size, quote(self.map.terrain)))
  96         for yx in self.portals:
  97             self.io.send('PORTAL %s %s' % (yx, quote(self.portals[yx])))
  98         self.io.send('GAME_STATE_COMPLETE')
  99
 100     def run_tick(self):
 101         to_delete = []
 102         for connection_id in self.sessions:
 103             connection_id_found = False
 104             for server in self.io.servers:
 105                 if connection_id in server.clients:
 106                     connection_id_found = True
 107                     break
 108             if not connection_id_found:
 109                 t = self.get_thing(self.sessions[connection_id], create_unfound=False)
 110                 self.things.remove(t)
 111                 to_delete += [connection_id]
 112         for connection_id in to_delete:
 113             del self.sessions[connection_id]
 114             self.changed = True
 115         for t in [t for t in self.things]:
 116             if t in self.things:
 117                 try:
 118                     t.proceed()
 119                 except GameError as e:
 120                     for connection_id in [c_id for c_id in self.sessions
 121                                           if self.sessions[c_id] == t.id_]:
 122                         self.io.send('GAME_ERROR ' + quote(str(e)), connection_id)
 123                 except PlayError as e:
 124                     for connection_id in [c_id for c_id in self.sessions
 125                                           if self.sessions[c_id] == t.id_]:
 126                         self.io.send('PLAY_ERROR ' + quote(str(e)), connection_id)
 127         if self.changed:
 128             self.turn += 1
 129             self.send_gamestate()
 130             self.changed = False
 131             self.save()
 132
 133     def get_command(self, command_name):
 134
 135         def partial_with_attrs(f, *args, **kwargs):
 136             from functools import partial
 137             p = partial(f, *args, **kwargs)
 138             p.__dict__.update(f.__dict__)
 139             return p
 140
 141         def cmd_TASK_colon(task_name, game, *args, connection_id):
 142             if connection_id not in game.sessions:
 143                 raise GameError('Not registered as player.')
 144             t = game.get_thing(game.sessions[connection_id], create_unfound=False)
 145             t.set_next_task(task_name, args)
 146
 147         def task_prefixed(command_name, task_prefix, task_command):
 148             if command_name.startswith(task_prefix):
 149                 task_name = command_name[len(task_prefix):]
 150                 if task_name in self.tasks:
 151                     f = partial_with_attrs(task_command, task_name, self)
 152                     task = self.tasks[task_name]
 153                     f.argtypes = task.argtypes
 154                     return f
 155             return None
 156
 157         command = task_prefixed(command_name, 'TASK:', cmd_TASK_colon)
 158         if command:
 159             return command
 160         if command_name in self.commands:
 161             f = partial_with_attrs(self.commands[command_name], self)
 162             return f
 163         return None
 164
 165     def new_thing_id(self):
 166         if len(self.things) == 0:
 167             return 0
 168         # DANGEROUS – if anywhere we append a thing to the list of lower
 169         # ID than the highest-value ID, this might lead to re-using an
 170         # already active ID.  This condition /should/ not be fulfilled
 171         # anywhere in the code, but if it does, trouble here is one of
 172         # the more obvious indicators that it does – that's why there's
 173         # no safeguard here against this.
 174         return self.things[-1].id_ + 1
 175
 176     def save(self):
 177
 178       def write(f, msg):
 179           f.write(msg + '\n')
 180
 181       with open(self.io.save_file, 'w') as f:
 182           write(f, 'TURN %s' % self.turn)
 183           write(f, 'MAP %s' % (self.map_geometry.size,))
 184           for y, line in self.map.lines():
 185               write(f, 'MAP_LINE %5s %s' % (y, quote(line)))
 186           for yx in self.annotations:
 187               write(f, 'ANNOTATE %s %s' % (yx, quote(self.annotations[yx])))
 188           for yx in self.portals:
 189               write(f, 'PORTAL %s %s' % (yx, quote(self.portals[yx])))
 190
 191     def new_world(self, size):
 192         self.map_geometry = MapGeometrySquare(YX(size.y, size.x))
 193         self.map = Map(self.map_geometry.size)
 194         self.annotations = {}