def send( self, event_type, ctrl_id, value ):
'''the signature of this function follows event_loop.event_receiver'''
log.debug("Emmiting {} {} {}".format(event_type, ctrl_id, value))
i= ctrl_id
if event_type==EVENT_BUTTON:
self.device.emit( (uinput.BTN_0[0], uinput.BTN_0[1]+i), value )
if event_type==EVENT_AXIS:
self.device.emit( (uinput.ABS_X[0], uinput.ABS_X[1]+i), value )
def event_loop( joystick_file, event_receiver ):
'''event loop that reads events from the physical joystick.
joystick_file is a actual file (object), not a file path.'''
while True:
data= joystick_file.read(8)
d1,time,ignore1,ignore2,d2,d3,event_type,ctrl_id= data
axis_value= d3
button_value= ord(d2)
event_type= ord(event_type)
ctrl_id= ord(ctrl_id)
axis_value= struct.unpack('b', axis_value)[0]
if not event_type in (EVENT_AXIS, EVENT_BUTTON):
continue #event_type contains some strange stuff on the beggining of file
value= axis_value if event_type==EVENT_AXIS else button_value
log.debug("joystick received {} {} {}".format(event_type, ctrl_id, value))
event_receiver( event_type, ctrl_id, value)
def execute(self, p, locked):
"""p: das Feld auf dem die Aktion ausgeführt werden soll
locked: eine Menge von Positionen die nicht bewegt werden dürfen.
Die erste Position die durch die Aktion betreten wird, wird autoamtisch gelockt"""
log.debug("executing PosAction; start: {}, actions: {}".format(self.start_position,
self.actions))
l = locked.copy()
l.add(self.locked_position()) # die erste Position wird automatisch gelockt!
path = a_star(p.shape[0],
puz.empty_position(p),
self.start_position, l)
assert path, "PosAction not executable, starting position not reachable"
init_actions = coords_to_actions(path)
# log.info("moving into start pos., path: {}".format(init_actions))
p = puz.apply_actions(p, init_actions)
p = puz.apply_actions(p, self.actions)
return p, init_actions + self.actions
