+ def stringify_yx(self, tuple_):
+ """Transform tuple (y,x) into string 'Y:'+str(y)+',X:'+str(x)."""
+ return 'Y:' + str(tuple_[0]) + ',X:' + str(tuple_[1])
+
+ def quoted(self, string):
+ """Quote and escape string so client interprets it as single token."""
+ quoted = []
+ quoted += ['"']
+ for c in string:
+ if c in {'"', '\\'}:
+ quoted += ['\\']
+ quoted += [c]
+ quoted += ['"']
+ return ''.join(quoted)
+
+ def send_all_gamestate(self):
+ """Send out game state data relevant to clients."""
+ self.send_all('NEW_TURN ' + str(self.world.turn))
+ self.send_all('MAP_SIZE ' + self.stringify_yx(self.world.map_size))
+ for y in range(self.world.map_size[0]):
+ width = self.world.map_size[1]
+ terrain_line = self.world.terrain_map[y * width:(y + 1) * width]
+ self.send_all('TERRAIN_LINE %5s %s' % (y, self.quoted(terrain_line)))
+ for thing in self.world.things:
+ self.send_all('THING_TYPE %s %s' % (thing.id_, thing.type_))
+ self.send_all('THING_POS %s %s' % (thing.id_, self.stringify_yx(thing.position)))
+
+ def proceed(self):
+ """Send turn finish signal, run game world, send new world data.
+
+ First sends 'TURN_FINISHED' message, then runs game world
+ until new player input is needed, then sends game state.
+ """
+ self.send_all('TURN_FINISHED ' + str(self.world.turn))
+ self.world.proceed_to_next_player_turn()
+ self.send_all_gamestate()
+
+ def get_player(self):
+ return self.world.get_thing(self.world.player_id)
+
+ def cmd_MOVE(self, direction, connection_id):
+ """Set player task to 'move' with direction arg, finish player turn."""
+ if direction not in {'UP', 'DOWN', 'RIGHT', 'LEFT'}:
+ raise ArgError('Move argument must be one of: '
+ 'UP, DOWN, RIGHT, LEFT')
+ self.get_player().set_task('move', direction=direction)
+ self.proceed()
+ cmd_MOVE.argtypes = 'string'
+
+ def cmd_WAIT(self, connection_id):
+ """Set player task to 'wait', finish player turn."""
+ self.get_player().set_task('wait')
+ self.proceed()
+
+ def cmd_MAP_SIZE(self, yx, connection_id):
+ self.world.set_map_size(yx)
+ cmd_MAP_SIZE.argtypes = 'yx_tuple:nonneg'
+
+ def cmd_TERRAIN_LINE(self, y, line, connection_id):
+ self.world.set_map_line(y, line)
+ cmd_TERRAIN_LINE.argtypes = 'int:nonneg string'
+
+ def cmd_THING_TYPE(self, i, type_, connection_id):
+ t = self.world.get_thing(i)
+ t.type_ = type_
+ cmd_THING_TYPE.argtypes = 'int:nonneg string'
+
+ def cmd_THING_POS(self, i, yx, connection_id):
+ t = self.world.get_thing(i)
+ t.position = list(yx)
+ cmd_THING_POS.argtypes = 'int:nonneg yx_tuple:nonneg'
+
+ def cmd_GET_TURN(self, connection_id):
+ """Send world.turn to caller."""
+ self.send_to(connection_id, str(self.world.turn))
+
+ def cmd_ECHO(self, msg, connection_id):
+ """Send msg to caller."""
+ self.send_to(connection_id, msg)
+ cmd_ECHO.argtypes = 'string'
+
+ def cmd_ALL(self, msg, connection_id):
+ """Send msg to all clients."""
+ self.send_all(msg)
+ cmd_ALL.argtypes = 'string'
+
+ def cmd_FIB(self, numbers, connection_id):