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import logging
import gobject
import gtk
import os
from dbus import Interface
from dbus.service import method, signal
from dbus.gobject_service import ExportedGObject
# XXX: I'm not convinced this is in the right namespace
SERVICE = "org.freedesktop.Telepathy.Tube.Memosono"
IFACE = SERVICE
PATH = "/org/freedesktop/Telepathy/Tube/Memosono"
_logger = logging.getLogger('memosono-activity.game')
class ConnectGame(ExportedGObject):
def __init__(self, tube, playview, model, is_initiator, buddies_panel, info_panel,
owner, get_buddy, activity):
super(ConnectGame, self).__init__(tube, PATH)
self.tube = tube
self.pv = playview
self.model = model
self.is_initiator = is_initiator
self.entered = False
self.player_id = None
self.buddies_panel = buddies_panel
self.info_panel = info_panel
self.owner = owner
self._get_buddy = get_buddy
self.activity = activity
self.active_player = 1
self.count = 0
self.points = {}
# list indexed by player ID
# 0, 1 are players 0, 1
# 2+ are the spectator queue, 2 is to play next
self.ordered_bus_names = []
for tile in self.pv.tiles:
tile.connect('button-press-event', self._button_press_cb, self.pv.tiles.index(tile))
self.tube.watch_participants(self.participant_change_cb)
def participant_change_cb(self, added, removed):
# Initiator is player 0, other player is player 1.
_logger.debug('adding participants: %r', added)
_logger.debug('removing participants: %r', removed)
for handle, bus_name in added:
buddy = self._get_buddy(handle)
_logger.debug('Buddy %r was added', buddy)
if buddy is not None:
self.buddies_panel.add_watcher(buddy)
for handle in removed:
buddy = self._get_buddy(handle)
_logger.debug('Buddy %r was removed', buddy)
if buddy is not None:
self.buddies_panel.remove_watcher(buddy)
try:
self.ordered_bus_names.remove(self.tube.participants[handle])
except ValueError:
# already absent
pass
if not self.entered:
self.tube.add_signal_receiver(self.flip_cb, 'Flip', IFACE,
path=PATH, sender_keyword='sender')
if self.is_initiator:
_logger.debug('I am the initiator, so making myself player 0')
self.add_hello_handler()
self.ordered_bus_names = [self.tube.get_unique_name()]
self.player_id = 0
self.points[self.player_id] = 0
self.buddies_panel.add_player(self.owner)
else:
_logger.debug('Hello, everyone! What did I miss?')
self.Hello()
self.entered = True
@signal(dbus_interface=IFACE, signature='')
def Hello(self):
"""Request that this player's Welcome method is called to bring it
up to date with the game state.
"""
@method(dbus_interface=IFACE, in_signature='aanas', out_signature='')
def Welcome(self, grid, bus_names):
"""To be called on the incoming player by the other players to
inform them of the game state.
FIXME: nominate a "referee" (initially the initiator) responsible
for saying Welcome, elect a new referee when the current referee
leaves? This could also be used to make the protocol robust against
cheating/bugs
"""
if self.player_id is None:
_logger.debug('Welcomed to the game. Player bus names are %r',
bus_names)
_logger.debug('Received the grid: %s', str(grid))
self.model.grid = grid
self.ordered_bus_names = bus_names
self.player_id = bus_names.index(self.tube.get_unique_name())
self.points[self.player_id] = 0
# OK, now I'm synched with the game, I can welcome others
self.add_hello_handler()
buddy = self._get_buddy(self.tube.bus_name_to_handle[bus_names[0]])
self.buddies_panel.add_player(buddy)
buddy = self._get_buddy(self.tube.bus_name_to_handle[bus_names[1]])
self.buddies_panel.add_player(buddy)
if self.active_player == self.player_id:
_logger.debug("It's my turn already!")
self.change_turn()
else:
_logger.debug("I've already been welcomed, doing nothing")
def add_hello_handler(self):
self.tube.add_signal_receiver(self.hello_cb, 'Hello', IFACE,
path=PATH, sender_keyword='sender')
@signal(dbus_interface=IFACE, signature='nsn')
def Flip(self, tilenum, obj, color):
"""Signal that the local player has flipped a tile."""
def hello_cb(self, sender=None):
"""Tell the newcomer what's going on."""
_logger.debug('Newcomer %s has joined', sender)
self.ordered_bus_names.append(sender)
if len(self.ordered_bus_names) == 2:
buddy = self._get_buddy(self.tube.bus_name_to_handle[sender])
self.buddies_panel.add_player(buddy)
_logger.debug('Bus names are now: %r', self.ordered_bus_names)
_logger.debug('Welcoming newcomer and sending them the game state')
grid = 0
self.tube.get_object(sender, PATH).Welcome(self.model.grid,
self.ordered_bus_names,
dbus_interface=IFACE)
_logger.debug('--- After welcome')
if (self.player_id == 0 and len(self.ordered_bus_names) == 2):
_logger.debug("This is my game and an opponent has joined. "
"I go first")
self.change_turn()
def flip_cb(self, tilenum, obj, color, sender=None):
handle = self.tube.bus_name_to_handle[sender]
_logger.debug('Flipped tile(%d) from %s', tilenum, sender)
self.pv.flip(tilenum, obj, color)
self.count+=1
if self.count == 1:
self.comp = tilenum
if self.count == 2:
self.count = 0
# evaluate
if( self.model.same(tilenum, self.comp) == 1):
_logger.debug('Tile(%d) and (%d) are the same', tilenum, self.comp)
buddy = self._get_buddy(handle)
self.points[self.active_player]+=1
self.buddies_panel.set_count(buddy, self.points[self.active_player])
self.info_panel.show('Open another one')
else:
gobject.timeout_add(2000, self._turn_back, tilenum, self.comp)
_logger.debug('Tile(%d) and (%d) are NOT the same', tilenum, self.comp)
# next player
self.change_turn()
def _turn_back(self, tilenuma, tilenumb):
self.pv.flip(tilenuma, os.path.join(os.path.dirname(__file__), 'images/black.png'), 100)
self.pv.flip(tilenumb, os.path.join(os.path.dirname(__file__), 'images/black.png'), 100)
return False
def change_turn(self):
self.set_active_player()
try:
bus_name = self.ordered_bus_names[self.active_player]
buddy = self._get_buddy(self.tube.bus_name_to_handle[bus_name])
self.buddies_panel.set_is_playing(buddy)
except:
_logger.error('argh!', exc_info=1)
raise
if self.active_player == self.player_id:
_logger.debug('It\'s my turn now')
self.info_panel.show('Your turn')
self.activity.grab_focus()
else:
_logger.debug('It\'s not my turn')
self.info_panel.show('Other player\'s turn')
def set_active_player(self):
if self.active_player == 0:
self.active_player = 1
else:
self.active_player = 0
def _button_press_cb(self, tile, event, tilenum=None):
if self.active_player != self.player_id:
_logger.debug('Ignoring flip - not my turn')
else:
_logger.debug('selected tile=%s'%str(tilenum))
obj, color = self.model.gettile(tilenum)
self.Flip(tilenum, obj, color)
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