plomlompom.com Git - plomrogue2/blob - 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.io import GameIO
   5 from plomrogue.misc import quote
   6 from plomrogue.things import Thing, ThingPlayer
   7 from plomrogue.mapping import YX, MapGeometrySquare, Map
   8
   9
  10
  11 class GameBase:
  12
  13     def __init__(self):
  14         self.turn = 0
  15         self.things = []
  16         self.map_geometry = MapGeometrySquare(YX(24, 40))
  17         self.commands = {}
  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     def register_command(self, command):
  32         prefix = 'cmd_'
  33         if not command.__name__.startswith(prefix):
  34            raise GameError('illegal command object name: %s' % command.__name__)
  35         command_name = command.__name__[len(prefix):]
  36         self.commands[command_name] = command
  37
  38
  39
  40 import os
  41 class Game(GameBase):
  42
  43     def __init__(self, save_file, *args, **kwargs):
  44         super().__init__(*args, **kwargs)
  45         self.changed = True
  46         self.io = GameIO(self, save_file)
  47         self.tasks = {}
  48         self.thing_type = Thing
  49         self.thing_types = {'player': ThingPlayer}
  50         self.sessions = {}
  51         self.map = Map(self.map_geometry.size)
  52         self.map_control = Map(self.map_geometry.size)
  53         self.map_control_passwords = {}
  54         self.annotations = {}
  55         self.portals = {}
  56         if os.path.exists(self.io.save_file):
  57             if not os.path.isfile(self.io.save_file):
  58                 raise GameError('save file path refers to non-file')
  59
  60     def register_task(self, task):
  61         prefix = 'Task_'
  62         if not task.__name__.startswith(prefix):
  63            raise GameError('illegal task object name: %s' % task.__name__)
  64         task_name = task.__name__[len(prefix):]
  65         self.tasks[task_name] = task
  66
  67     def read_savefile(self):
  68         if os.path.exists(self.io.save_file):
  69             with open(self.io.save_file, 'r') as f:
  70                 lines = f.readlines()
  71             for i in range(len(lines)):
  72                 line = lines[i]
  73                 print("FILE INPUT LINE %5s: %s" % (i, line), end='')
  74                 self.io.handle_input(line, god_mode=True)
  75
  76     def get_string_options(self, string_option_type):
  77         import string
  78         if string_option_type == 'direction':
  79             return self.map_geometry.get_directions()
  80         elif string_option_type == 'char':
  81             return [c for c in
  82                     string.digits + string.ascii_letters + string.punctuation + ' ']
  83         elif string_option_type == 'map_geometry':
  84             return ['Hex', 'Square']
  85         return None
  86
  87     def get_map_geometry_shape(self):
  88         return self.map_geometry.__class__.__name__[len('MapGeometry'):]
  89
  90     def send_gamestate(self, connection_id=None):
  91         """Send out game state data relevant to clients."""
  92
  93         def send_thing(thing):
  94             self.io.send('THING_POS %s %s' % (thing.id_, t.position))
  95             if hasattr(thing, 'nickname'):
  96                 self.io.send('THING_NAME %s %s' % (thing.id_, quote(t.nickname)))
  97
  98         self.io.send('TURN ' + str(self.turn))
  99         for t in self.things:
 100             send_thing(t)
 101         self.io.send('MAP %s %s %s' % (self.get_map_geometry_shape(),
 102                                        self.map_geometry.size, quote(self.map.terrain)))
 103         self.io.send('MAP_CONTROL %s' % quote(self.map_control.terrain))
 104         for yx in self.portals:
 105             self.io.send('PORTAL %s %s' % (yx, quote(self.portals[yx])))
 106         self.io.send('GAME_STATE_COMPLETE')
 107
 108     def run_tick(self):
 109         to_delete = []
 110         for connection_id in self.sessions:
 111             connection_id_found = False
 112             for server in self.io.servers:
 113                 if connection_id in server.clients:
 114                     connection_id_found = True
 115                     break
 116             if not connection_id_found:
 117                 t = self.get_thing(self.sessions[connection_id], create_unfound=False)
 118                 if hasattr(t, 'nickname'):
 119                     self.io.send('CHAT ' + quote(t.nickname + ' left the map.'))
 120                 self.things.remove(t)
 121                 to_delete += [connection_id]
 122         for connection_id in to_delete:
 123             del self.sessions[connection_id]
 124             self.changed = True
 125         for t in [t for t in self.things]:
 126             if t in self.things:
 127                 try:
 128                     t.proceed()
 129                 except GameError as e:
 130                     for connection_id in [c_id for c_id in self.sessions
 131                                           if self.sessions[c_id] == t.id_]:
 132                         self.io.send('GAME_ERROR ' + quote(str(e)), connection_id)
 133                 except PlayError as e:
 134                     for connection_id in [c_id for c_id in self.sessions
 135                                           if self.sessions[c_id] == t.id_]:
 136                         self.io.send('PLAY_ERROR ' + quote(str(e)), connection_id)
 137         if self.changed:
 138             self.turn += 1
 139             self.send_gamestate()
 140             self.changed = False
 141             self.save()
 142
 143     def get_command(self, command_name):
 144
 145         def partial_with_attrs(f, *args, **kwargs):
 146             from functools import partial
 147             p = partial(f, *args, **kwargs)
 148             p.__dict__.update(f.__dict__)
 149             return p
 150
 151         def cmd_TASK_colon(task_name, game, *args, connection_id):
 152             if connection_id not in game.sessions:
 153                 raise GameError('Not registered as player.')
 154             t = game.get_thing(game.sessions[connection_id], create_unfound=False)
 155             t.set_next_task(task_name, args)
 156
 157         def task_prefixed(command_name, task_prefix, task_command):
 158             if command_name.startswith(task_prefix):
 159                 task_name = command_name[len(task_prefix):]
 160                 if task_name in self.tasks:
 161                     f = partial_with_attrs(task_command, task_name, self)
 162                     task = self.tasks[task_name]
 163                     f.argtypes = task.argtypes
 164                     return f
 165             return None
 166
 167         command = task_prefixed(command_name, 'TASK:', cmd_TASK_colon)
 168         if command:
 169             return command
 170         if command_name in self.commands:
 171             f = partial_with_attrs(self.commands[command_name], self)
 172             return f
 173         return None
 174
 175     def new_thing_id(self):
 176         if len(self.things) == 0:
 177             return 0
 178         # DANGEROUS – if anywhere we append a thing to the list of lower
 179         # ID than the highest-value ID, this might lead to re-using an
 180         # already active ID.  This condition /should/ not be fulfilled
 181         # anywhere in the code, but if it does, trouble here is one of
 182         # the more obvious indicators that it does – that's why there's
 183         # no safeguard here against this.
 184         return self.things[-1].id_ + 1
 185
 186     def save(self):
 187
 188       def write(f, msg):
 189           f.write(msg + '\n')
 190
 191       with open(self.io.save_file, 'w') as f:
 192           # TODO: save tasks
 193           write(f, 'TURN %s' % self.turn)
 194           map_geometry_shape = self.get_map_geometry_shape()
 195           write(f, 'MAP %s %s' % (map_geometry_shape, self.map_geometry.size,))
 196           for y, line in self.map.lines():
 197               write(f, 'MAP_LINE %5s %s' % (y, quote(line)))
 198           for yx in self.annotations:
 199               write(f, 'ANNOTATE %s %s' % (yx, quote(self.annotations[yx])))
 200           for yx in self.portals:
 201               write(f, 'PORTAL %s %s' % (yx, quote(self.portals[yx])))
 202           for y, line in self.map_control.lines():
 203               write(f, 'MAP_CONTROL_LINE %5s %s' % (y, quote(line)))
 204           for tile_class in self.map_control_passwords:
 205               write(f, 'MAP_CONTROL_PW %s %s' % (tile_class,
 206                                                  self.map_control_passwords[tile_class]))
 207
 208     def new_world(self, map_geometry):
 209         self.map_geometry = map_geometry
 210         self.map = Map(self.map_geometry.size)
 211         self.map_control = Map(self.map_geometry.size)
 212         self.annotations = {}