def easier(self):
"""Make a new maze that is easier than the current one."""
# both width and height must be odd
newHeight = max(self.maze.height - 2, 5)
newWidth = int(newHeight * self.aspectRatio)
if newWidth % 2 == 0:
newWidth -= 1
self.maze = Maze(self.maze.seed + 1, newWidth, newHeight)
self.reset()
# tell everyone which maze we are playing, so they can sync up
if len(self.remoteplayers) > 0:
# but fudge it a little so that we can be sure they'll use our maze
self.game_start_time -= 10
mesh.broadcast("maze:%d,%d,%d,%d" %
(self.game_running_time(), self.maze.seed,
self.maze.width, self.maze.height))
def easier(self):
"""Make a new maze that is easier than the current one."""
# both width and height must be odd
newHeight = max(self.maze.height - 2, 5)
newWidth = int(newHeight * self.aspectRatio)
if newWidth % 2 == 0:
newWidth -= 1
self.maze = Maze(self.maze.seed + 1, newWidth, newHeight)
self.reset()
# tell everyone which maze we are playing, so they can sync up
if len(self.remoteplayers) > 0:
# but fudge it a little so that we can be sure they'll use our maze
self.game_start_time -= 10
mesh.broadcast(
"maze:%d,%d,%d,%d" % (self.game_running_time(), self.maze.seed, self.maze.width, self.maze.height)
)
def requestInstrument(self, name):
"instrument selections should go through this first. To request an instrument, you need to give one up"
if name in self.occupiedInstruments:
log.info(
'failed instrument selection, as instrument currently occupied'
)
else:
if self.connected and (self.sharer != self.myself):
releasename = self.selectedInstrument.name
iparams = getInstrumentParameters(self.scene, releasename)
requestname = name
mesh.send_to(
self.sharer, 'JammerRequest|%s|%s|%s' %
(releasename, requestname, iparams))
else:
self.reselectInstruments(name)
if self.connected:
mesh.broadcast('Occupied|%s' % self.occupiedInstruments)
def withBuddy(buddy):
if event.handle == mesh.my_handle():
log.debug("Me: %s - %s", buddy.props.nick, buddy.props.color)
# README: this is a workaround to use an unique
# identifier instead the nick of the buddy
# http://dev.laptop.org/ticket/10750
count = ""
for i, player in enumerate(self.localplayers):
if i > 0:
count = "-%d" % i
player.uid = mesh.my_handle() + count
else:
log.debug("Join: %s - %s", buddy.props.nick, buddy.props.color)
player = Player(buddy)
player.uid = event.handle
self.remoteplayers[event.handle] = player
self.allplayers.append(player)
self.allplayers.extend(player.bonusPlayers())
self.markPointDirty(player.position)
# send a test message to the new player
mesh.broadcast("Welcome %s" % player.nick)
# tell them which maze we are playing, so they can sync up
mesh.send_to(
event.handle,
"maze:%d,%d,%d,%d"
% (self.game_running_time(), self.maze.seed, self.maze.width, self.maze.height),
)
for player in self.localplayers:
if not player.hidden:
mesh.send_to(
event.handle,
"move:%s,%d,%d,%d,%d"
% (
player.uid,
player.position[0],
player.position[1],
player.direction[0],
player.direction[1],
),
)
def broadcast_msg(msg_content):
print 'in game_sharing.broadcast_msg'
mesh.broadcast(msg_content)
def broadcast_msg(msg_content):
print 'in game_sharing.broadcast_msg'
mesh.broadcast(msg_content)
def finish(self, player):
self.finish_time = time.time()
player.elapsed = self.finish_time - self.level_start_time
if len(self.remoteplayers) > 0:
mesh.broadcast("finish:%s,%.2f" % (player.nick, player.elapsed))
def processEvent(self, event):
"""Process a single pygame event. This includes keystrokes
as well as multiplayer events from the mesh."""
if event.type == pygame.QUIT:
self.running = False
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
self.running = False
elif event.key in (pygame.K_PLUS, pygame.K_EQUALS):
self.harder()
elif event.key == pygame.K_MINUS:
self.easier()
elif self.arrowkeys.has_key(event.key):
playernum, direction = self.arrowkeys[event.key]
player = self.localplayers[playernum]
player.hidden = False
if direction == pygame.K_UP:
player.direction = (0, -1)
elif direction == pygame.K_DOWN:
player.direction = (0, 1)
elif direction == pygame.K_LEFT:
player.direction = (-1, 0)
elif direction == pygame.K_RIGHT:
player.direction = (1, 0)
if len(self.remoteplayers) > 0:
mesh.broadcast(
"move:%s,%d,%d,%d,%d" %
(player.nick, player.position[0], player.position[1],
player.direction[0], player.direction[1]))
elif event.type == pygame.KEYUP:
pass
elif event.type in (pygame.MOUSEMOTION, pygame.MOUSEBUTTONDOWN,
pygame.MOUSEBUTTONUP):
pass
elif event.type == mesh.CONNECT:
print "Connected to the mesh."
elif event.type == mesh.PARTICIPANT_ADD:
buddy = mesh.get_buddy(event.handle)
if event.handle == mesh.my_handle():
print "Me:", buddy.props.nick, buddy.props.color
else:
print "Join:", buddy.props.nick, buddy.props.color
player = Player(buddy)
self.remoteplayers[event.handle] = player
self.allplayers.append(player)
self.allplayers.extend(player.bonusPlayers())
self.markPointDirty(player.position)
# send a test message to the new player
mesh.broadcast("Welcome %s" % player.nick)
# tell them which maze we are playing, so they can sync up
mesh.send_to(
event.handle, "maze:%d,%d,%d,%d" %
(self.game_running_time(), self.maze.seed, self.maze.width,
self.maze.height))
for player in self.localplayers:
if not player.hidden:
mesh.send_to(
event.handle, "move:%s,%d,%d,%d,%d" %
(player.nick, player.position[0],
player.position[1], player.direction[0],
player.direction[1]))
elif event.type == mesh.PARTICIPANT_REMOVE:
if self.remoteplayers.has_key(event.handle):
player = self.remoteplayers[event.handle]
print "Leave:", player.nick
self.markPointDirty(player.position)
self.allplayers.remove(player)
for bonusplayer in player.bonusPlayers():
self.markPointDirty(bonusplayer.position)
self.allplayers.remove(bonusplayer)
del self.remoteplayers[event.handle]
elif event.type == mesh.MESSAGE_UNI or event.type == mesh.MESSAGE_MULTI:
buddy = mesh.get_buddy(event.handle)
#print "Message from %s / %s: %s" % (buddy.props.nick, event.handle, event.content)
if event.handle == mesh.my_handle():
# ignore messages from ourself
pass
elif self.remoteplayers.has_key(event.handle):
player = self.remoteplayers[event.handle]
try:
self.handleMessage(player, event.content)
except:
print "Error handling message: %s\n%s" % (event,
sys.exc_info())
else:
print "Message from unknown buddy?"
else:
print "Unknown event:", event
def attemptBroadcast(msg):
if EN_RED != False:
mesh.broadcast(msg)
def receiveMessage(self, instruction, handle):
if instruction.startswith("Welcome"):
messages = instruction.split("|")
self.sharer = handle
jam_scene = messages[1]
self.pending_instrument_assignment = [messages[2], messages[3]]
self.select_activity_scene(jam_scene)
if self.sharer != self.myself:
olpcgames.ACTIVITY.J2JToolbar.deactivate_scene_change()
elif instruction.startswith("Beat"):
splitvals = instruction.split('|')
receivedBeat = int(splitvals[1])
time_now = now()
self.beatEstimator.addBeat(receivedBeat, time_now)
if abs(receivedBeat -
self.beatEstimator.beat_match(time_now)) > 0.17:
pass
else:
latency = (sum(self.latency) / len(self.latency))
tmult = self.music_player.tempoMult
latency = latency * 0.25 + 0.04 #this might be XO 1.0 specific
beatadvance = int(ceil(latency * 1 / tmult))
scheduled_time = now() + ((beatadvance * tmult) - latency)
self.music_player.Cease()
self.music_player.playLoop(scheduled_time,
(receivedBeat + beatadvance) %
self.music_player.beatlimit)
elif instruction.startswith("JammerRequest"):
"In theory only the sharer ever gets this message"
split = instruction.split('|')
releasename = split[1]
requestname = split[2]
iparams = eval(split[3])
stealresult = self.stealInstrument(requestname, releasename,
handle)
if stealresult:
setInstrumentParameters(self.scene, releasename, iparams)
rqparams = getInstrumentParameters(self.scene, requestname)
mesh.send_to(
handle,
"AuthorisedInstrument|%s|%s" % (requestname, rqparams))
mesh.broadcast('Occupied|%s' % self.occupiedInstruments)
else:
mesh.send_to(handle, "DeniedInstrument|%s")
elif instruction.startswith("AuthorisedInstrument"):
"In theory only a 'joiner' receives this message"
msg = instruction.split('|')
ai = msg[1]
params = eval(msg[2])
setInstrumentParameters(self.scene, ai, params)
self.reselectInstruments(ai)
elif instruction.startswith("DeniedInstrument"):
di = instruction.split('|')[1]
log.info("Instrument request for %s was denied by sharer." % di)
elif instruction.startswith("Occupied"):
insdict = eval(instruction.split('|')[1])
self.occupiedInstruments = insdict
for pni in self.PanelInstruments:
if pni.name in insdict:
pni.deactivate()
else:
pni.activate()
elif instruction.startswith("LateReq"):
id = instruction.split('|')[1]
mesh.send_to(handle, "LateResp|%s" % id)
elif instruction.startswith("LateResp"):
id = int(instruction.split('|')[1])
try:
t = self.latency_time_ID[id]
del self.latency_time_ID[id]
result = (now() - t) / 2
avglat = sum(self.latency) / len(self.latency)
diffs = [(val - avglat)**2 for val in self.latency]
stddev = sqrt(sum(diffs) / len(diffs))
if id == 0:
del self.latency[0]
self.latency.append(result)
elif result > (avglat + stddev):
pass
elif result < (avglat - stddev) and len(self.latency) > 6:
pass
elif len(self.latency) > 12:
del self.latency[0]
self.latency.append(result)
else:
self.latency.append(result)
except KeyError:
log.info('Unmatched time ID %s' % id)
else:
log.debug("UNKNOWN INSTRUCTION RECEIVED :%s", instruction)
def eventAction(self, event):
"detect events, and select action"
if event.type == pygame.QUIT:
self.music_player.freeze()
self.running = False
elif event.type == pygame.USEREVENT:
if hasattr(event, "action"):
if event.action.startswith("Parameter"):
args = event.action.split('|')
if args[1] == "Horizontal":
self.Hparam = args[2]
self.selectedInstrument.Touch = True
elif args[1] == "Vertical":
self.Vparam = args[2]
self.selectedInstrument.Touch = True
else:
raise ValueError, 'Unknown Parameter Action %s' % args
elif event.action.startswith('Reload'):
#should look always like this: "Reload|name|key:mode|tempo|defaults"
args = event.action.split('|')
name = args[1]
key = ('E' if args[2] == 'None' else args[2])
mode = ('minor' if args[3] == 'None' else args[3])
tempo = (117 if args[4] == 'None' else int(args[4]))
d = eval(args[5])
defaults = (d if d else {})
self.load_scene(name, key, mode, tempo,
defaults) #this call blocks
if self.pending_instrument_assignment: #now check if we are waiting to assign instruments and params.
self.receiveMessage(
"AuthorisedInstrument|%s|%s" %
(self.pending_instrument_assignment[0],
self.pending_instrument_assignment[1]),
self.myself)
elif event.action.startswith("Shared"):
self.sharer = "Pending"
log.info("Sharing activity")
elif event.action.startswith("Joined"):
log.info("Joined Activity")
else:
log.debug("unknown parameter change: %s", event.action)
else:
log.debug("ignoring USEREVENT %s", event)
elif event.type == pygame.MOUSEBUTTONDOWN:
x, y = event.pos
Ins = self.selectedInstrument
if Ins.Rect.collidepoint(x, y):
self.movingInstrument = Ins
else:
for Panndx in range(len(self.PanelInstruments)):
Pan = self.PanelInstruments[Panndx]
if Pan.Rect.collidepoint(x, y):
if Pan.active: self.requestInstrument(Pan.name)
break
elif event.type == pygame.MOUSEMOTION:
if self.movingInstrument:
insname = self.movingInstrument.name
self.scene.Params.setValue(
self.Hparam, insname,
rescale(event.pos[0], self.playArea.left,
self.playArea.right, 0, 1))
self.scene.Params.setValue(
self.Vparam, insname,
limit(
rescale(event.pos[1], self.playArea.bottom,
self.playArea.top, 0, 1), 0, 1))
self.movingInstrument.Touch = True
elif event.type == pygame.MOUSEBUTTONUP:
self.movingInstrument = False
elif platform == 'Sugar' and event.type == mesh.CONNECT:
log.info("""Connected to the mesh!| %s""", event)
self.connected = True
self.music_player.resetBeat()
elif event.type == pygame.KEYDOWN:
try:
iaction = self.keycode[event.key]
self.keyActions.append(iaction)
except KeyError:
pass
elif event.type == pygame.KEYUP:
try:
self.keyActions.remove(self.keycode[event.key])
except ValueError:
pass
except KeyError:
pass
elif self.connected and event.type == mesh.PARTICIPANT_ADD:
if not self.myself: self.myself = mesh.my_handle()
if event.handle == self.myself:
if self.sharer == "Pending": self.sharer = self.myself
elif len(self.occupiedInstruments) == 4:
pass
else:
if self.sharer == self.myself:
giveupInstrument = [
p for p in self.PanelInstruments if p.active
][0].name
giveupparameters = getInstrumentParameters(
self.scene, giveupInstrument)
mesh.send_to(
event.handle, "Welcome|%s|%s|%s" %
(self.scene.scene_name, giveupInstrument,
giveupparameters))
self.stealInstrument(giveupInstrument, handle=event.handle)
if self.connected:
mesh.broadcast('Occupied|%s' %
self.occupiedInstruments)
olpcgames.ACTIVITY.J2JToolbar.deactivate_scene_change()
if len(self.occupiedInstruments
) >= 2 and not self._syncloop_running:
self._syncloop_running = True
self.sendSync()
else:
self.latency_checker()
log.info("Waiting to be assigned instrument from sharer")
elif self.connected and event.type == mesh.PARTICIPANT_REMOVE:
"return instrument to the sharer if a jammer leaves."
try:
relname = [
n for n in self.occupiedInstruments
if self.occupiedInstruments[n] == str(event.handle)
][0]
relpanel = [
p for p in self.PanelInstruments if p.name == relname
][0]
del self.occupiedInstruments[relname]
relpanel.Touch = True
if self.sharer == self.myself:
self.music_player.mutelist.remove(relname)
if len(self.occupiedInstruments) == 1:
olpcgames.ACTIVITY.J2JToolbar.reactivate_scene_change()
if len(self.occupiedInstruments) <= 1:
self._syncloop_running = False
except IndexError:
log.debug("Index error while removing jammer %s occ = %s" %
(str(event.handle), self.occupiedInstruments))
except KeyError:
pass
except ValueError:
pass
if self.sharer == self.myself:
mesh.broadcast('Occupied|%s' % self.occupiedInstruments)
log.info("""Removed jammer| %s""", event)
elif self.connected and (event.type == mesh.MESSAGE_MULTI
or event.type == mesh.MESSAGE_UNI):
if event.handle == self.myself:
pass
else:
self.receiveMessage(event.content, event.handle)
def finish(self, player):
self.finish_time = time.time()
player.elapsed = self.finish_time - self.level_start_time
if len(self.remoteplayers) > 0:
mesh.broadcast("finish:%s,%.2f" % (player.nick, player.elapsed))
def processEvent(self, event):
"""Process a single pygame event. This includes keystrokes
as well as multiplayer events from the mesh."""
if event.type == pygame.QUIT:
self.running = False
elif event.type == pygame.KEYDOWN:
if event.key in (pygame.K_PLUS, pygame.K_EQUALS):
self.harder()
elif event.key == pygame.K_MINUS:
self.easier()
elif event.key in self.arrowkeys:
playernum, direction = self.arrowkeys[event.key]
player = self.localplayers[playernum]
player.hidden = False
if direction == pygame.K_UP:
player.direction = (0, -1)
elif direction == pygame.K_DOWN:
player.direction = (0, 1)
elif direction == pygame.K_LEFT:
player.direction = (-1, 0)
elif direction == pygame.K_RIGHT:
player.direction = (1, 0)
if len(self.remoteplayers) > 0:
mesh.broadcast(
"move:%s,%d,%d,%d,%d"
% (player.uid, player.position[0], player.position[1], player.direction[0], player.direction[1])
)
elif event.type == pygame.KEYUP:
pass
elif event.type == pygame.MOUSEMOTION:
pass
elif event.type == pygame.MOUSEBUTTONDOWN:
self.mouse_in_use = 1
self.prev_mouse_pos = pygame.mouse.get_pos()
elif event.type == pygame.MOUSEBUTTONUP:
if self.mouse_in_use:
new_mouse_pos = pygame.mouse.get_pos()
mouse_movement = (new_mouse_pos[0] - self.prev_mouse_pos[0], new_mouse_pos[1] - self.prev_mouse_pos[1])
if (abs(mouse_movement[0]) > 10) or (abs(mouse_movement[1]) > 10):
player = self.localplayers[0]
player.hidden = False
# x movement larger
if abs(mouse_movement[0]) > abs(mouse_movement[1]):
# direction == pygame.K_RIGHT
if mouse_movement[0] > 0:
player.direction = (1, 0)
else:
# direction == pygame.K_LEFT
player.direction = (-1, 0)
else:
if mouse_movement[1] < 0:
# direction == pygame.K_UP
player.direction = (0, -1)
else: # direction == pygame.K_DOWN
player.direction = (0, 1)
if len(self.remoteplayers) > 0:
mesh.broadcast(
"move:%s,%d,%d,%d,%d"
% (
player.nick,
player.position[0],
player.position[1],
player.direction[0],
player.direction[1],
)
)
self.mouse_in_use = 0
elif event.type == mesh.CONNECT:
log.debug("Connected to the mesh")
elif event.type == mesh.PARTICIPANT_ADD:
log.debug("mesh.PARTICIPANT_ADD")
def withBuddy(buddy):
if event.handle == mesh.my_handle():
log.debug("Me: %s - %s", buddy.props.nick, buddy.props.color)
# README: this is a workaround to use an unique
# identifier instead the nick of the buddy
# http://dev.laptop.org/ticket/10750
count = ""
for i, player in enumerate(self.localplayers):
if i > 0:
count = "-%d" % i
player.uid = mesh.my_handle() + count
else:
log.debug("Join: %s - %s", buddy.props.nick, buddy.props.color)
player = Player(buddy)
player.uid = event.handle
self.remoteplayers[event.handle] = player
self.allplayers.append(player)
self.allplayers.extend(player.bonusPlayers())
self.markPointDirty(player.position)
# send a test message to the new player
mesh.broadcast("Welcome %s" % player.nick)
# tell them which maze we are playing, so they can sync up
mesh.send_to(
event.handle,
"maze:%d,%d,%d,%d"
% (self.game_running_time(), self.maze.seed, self.maze.width, self.maze.height),
)
for player in self.localplayers:
if not player.hidden:
mesh.send_to(
event.handle,
"move:%s,%d,%d,%d,%d"
% (
player.uid,
player.position[0],
player.position[1],
player.direction[0],
player.direction[1],
),
)
mesh.lookup_buddy(event.handle, callback=withBuddy)
elif event.type == mesh.PARTICIPANT_REMOVE:
log.debug("mesh.PARTICIPANT_REMOVE")
if event.handle in self.remoteplayers:
player = self.remoteplayers[event.handle]
log.debug("Leave: %s", player.nick)
self.markPointDirty(player.position)
self.allplayers.remove(player)
for bonusplayer in player.bonusPlayers():
self.markPointDirty(bonusplayer.position)
self.allplayers.remove(bonusplayer)
del self.remoteplayers[event.handle]
elif event.type == mesh.MESSAGE_UNI or event.type == mesh.MESSAGE_MULTI:
log.debug("mesh.MESSAGE_UNI or mesh.MESSAGE_MULTI")
if event.handle == mesh.my_handle():
# ignore messages from ourself
pass
elif event.handle in self.remoteplayers:
player = self.remoteplayers[event.handle]
try:
self.handleMessage(player, event.content)
except:
log.debug("Error handling message: %s\n%s", event, sys.exc_info())
else:
log.debug("Message from unknown buddy?")
elif event.type == pygame.USEREVENT:
# process our buttons
if hasattr(event, "action") and event.action == "harder_button":
self.harder()
elif hasattr(event, "action") and event.action == "easier_button":
self.easier()
# process file save / restore events
elif event.code == olpcgames.FILE_READ_REQUEST:
log.debug("Loading the state of the game...")
state = json.loads(event.metadata["state"])
log.debug("Loaded data: %s", state)
self.maze = Maze(**state)
self.reset()
return True
elif event.code == olpcgames.FILE_WRITE_REQUEST:
log.debug("Saving the state of the game...")
data = {"seed": self.maze.seed, "width": self.maze.width, "height": self.maze.height}
log.debug("Saving data: %s", data)
event.metadata["state"] = json.dumps(data)
f = open(event.filename, "w")
try:
f.write(str(time.time()))
finally:
f.close()
log.debug("Done saving.")
return True
else:
log.debug("Unknown event: %r", event)